Allow screen unpinning on devices without navbar

Change-Id: Iedfc08f4d95bbee3c8578c0d2450b90739e63603

9 files changed, 7514 insertions, 25 deletions

diff --git a/core/res/res/values/cm_strings.xml b/core/res/res/values/cm_strings.xml
index c56fee7..ed573a8 100644
--- a/core/res/res/values/cm_strings.xml
+++ b/core/res/res/values/cm_strings.xml
@@ -204,4 +204,6 @@
     <string name="app_ops_wifi_change">change WiFI state</string>
     <string name="app_ops_su">get Superuser access</string>
 
+    <!-- Notify user that they are in Lock-to-app (for devices without navbar) -->
+    <string name="lock_to_app_toast_no_navbar">To unpin this screen, touch and hold the Back button.</string>
 </resources>
diff --git a/core/res/res/values/cm_symbols.xml b/core/res/res/values/cm_symbols.xml
index f216bc4..35acb7a 100644
--- a/core/res/res/values/cm_symbols.xml
+++ b/core/res/res/values/cm_symbols.xml
@@ -93,4 +93,6 @@
     <!-- Blur effects -->
     <java-symbol type="bool" name="config_ui_blur_enabled" />
 
+    <!-- Advanced settings switch -->
+    <java-symbol type="string" name="lock_to_app_toast_no_navbar" />
 </resources>
diff --git a/packages/SystemUI/res/layout/screen_pinning_request.xml b/packages/SystemUI/res/layout/screen_pinning_request.xml
index fea45cc..af203ce 100644
--- a/packages/SystemUI/res/layout/screen_pinning_request.xml
+++ b/packages/SystemUI/res/layout/screen_pinning_request.xml
@@ -28,12 +28,6 @@
         android:layout_height="wrap_content"
         layout="@layout/screen_pinning_request_text_area" />
 
-    <View
-        android:id="@+id/spacer"
-        android:layout_width="@dimen/screen_pinning_request_width"
-        android:layout_height="18dp"
-        android:background="@color/screen_pinning_request_bg" />
-
     <include
         android:layout_width="@dimen/screen_pinning_request_width"
         android:layout_height="wrap_content"
diff --git a/packages/SystemUI/res/layout/screen_pinning_request_text_area.xml b/packages/SystemUI/res/layout/screen_pinning_request_text_area.xml
index 8bf742a..7dbdb9f 100644
--- a/packages/SystemUI/res/layout/screen_pinning_request_text_area.xml
+++ b/packages/SystemUI/res/layout/screen_pinning_request_text_area.xml
@@ -29,7 +29,7 @@
         android:layout_height="wrap_content"
         android:paddingEnd="48dp"
         android:paddingStart="48dp"
-        android:paddingTop="43dp"
+        android:paddingTop="18dp"
         android:text="@string/screen_pinning_title"
         android:textColor="@color/screen_pinning_primary_text"
         android:textSize="24sp" />
@@ -50,7 +50,7 @@
         android:id="@+id/screen_pinning_ok_button"
         style="@android:style/Widget.Material.Button"
         android:layout_width="wrap_content"
-        android:layout_height="36dp"
+        android:layout_height="54dp"
         android:layout_alignParentEnd="true"
         android:layout_below="@+id/screen_pinning_description"
         android:layout_marginEnd="40dp"
@@ -66,7 +66,7 @@
         android:id="@+id/screen_pinning_cancel_button"
         style="@android:style/Widget.Material.Button"
         android:layout_width="wrap_content"
-        android:layout_height="36dp"
+        android:layout_height="54dp"
         android:layout_alignTop="@id/screen_pinning_ok_button"
         android:layout_marginEnd="4dp"
         android:layout_toStartOf="@id/screen_pinning_ok_button"
diff --git a/packages/SystemUI/res/values/cm_strings.xml b/packages/SystemUI/res/values/cm_strings.xml
index b2f3def..bba5d96 100644
--- a/packages/SystemUI/res/values/cm_strings.xml
+++ b/packages/SystemUI/res/values/cm_strings.xml
@@ -77,4 +77,7 @@
     <string name="quick_settings_edit_label">Edit Tiles</string>
     <string name="quick_settings_cannot_delete_edit_tile">Cannot delete the Edit tile</string>
     <string name="qs_tiles_reset_confirmation">Reset quick settings tiles to default configuration?</string>
+
+    <!-- Screen pinning dialog description (for devices without navbar) -->
+    <string name="screen_pinning_description_no_navbar">This keeps it in view until you unpin. Touch and hold the Back button to unpin.</string>
 </resources>
diff --git a/packages/SystemUI/src/com/android/systemui/recents/ScreenPinningRequest.java b/packages/SystemUI/src/com/android/systemui/recents/ScreenPinningRequest.java
index cbf5c05..b1413c9 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/ScreenPinningRequest.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/ScreenPinningRequest.java
@@ -30,9 +30,11 @@ import android.graphics.drawable.ColorDrawable;
 import android.os.RemoteException;
 import android.util.DisplayMetrics;
 import android.view.Gravity;
+import android.view.IWindowManager;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.WindowManager;
+import android.view.WindowManagerGlobal;
 import android.view.accessibility.AccessibilityManager;
 import android.view.animation.DecelerateInterpolator;
 import android.widget.Button;
@@ -49,6 +51,7 @@ public class ScreenPinningRequest implements View.OnClickListener {
 
     private final AccessibilityManager mAccessibilityService;
     private final WindowManager mWindowManager;
+    private final IWindowManager mWindowManagerService;
 
     private RequestWindowView mRequestWindow;
 
@@ -58,6 +61,7 @@ public class ScreenPinningRequest implements View.OnClickListener {
                 mContext.getSystemService(Context.ACCESSIBILITY_SERVICE);
         mWindowManager = (WindowManager)
                 mContext.getSystemService(Context.WINDOW_SERVICE);
+        mWindowManagerService = WindowManagerGlobal.getWindowManagerService();
     }
 
     public void clearPrompt() {
@@ -215,19 +219,33 @@ public class ScreenPinningRequest implements View.OnClickListener {
                         .setVisibility(View.INVISIBLE);
             }
 
-            final int description = mAccessibilityService.isEnabled()
+            final int description;
+            if (hasNavigationBar()) {
+                description = mAccessibilityService.isEnabled()
                     ? R.string.screen_pinning_description_accessible
                     : R.string.screen_pinning_description;
+                final int backBgVis = 
+                    mAccessibilityService.isEnabled() ? View.INVISIBLE : View.VISIBLE;
+                mLayout.findViewById(R.id.screen_pinning_back_bg).setVisibility(backBgVis);
+                mLayout.findViewById(R.id.screen_pinning_back_bg_light).setVisibility(backBgVis);
+            } else {
+                description = R.string.screen_pinning_description_no_navbar;
+                ((ViewGroup) buttons.getParent()).removeView(buttons);
+            }
             ((TextView) mLayout.findViewById(R.id.screen_pinning_description))
                     .setText(description);
-            final int backBgVisibility =
-                    mAccessibilityService.isEnabled() ? View.INVISIBLE : View.VISIBLE;
-            mLayout.findViewById(R.id.screen_pinning_back_bg).setVisibility(backBgVisibility);
-            mLayout.findViewById(R.id.screen_pinning_back_bg_light).setVisibility(backBgVisibility);
-
+            
             addView(mLayout, getRequestLayoutParams(isLandscape));
         }
 
+        private boolean hasNavigationBar() {
+            try {
+                return mWindowManagerService.hasNavigationBar();
+            } catch (RemoteException e) {
+                //ignore
+            }
+            return false;
+        }
         private void swapChildrenIfRtlAndVertical(View group) {
             if (mContext.getResources().getConfiguration().getLayoutDirection()
                     != View.LAYOUT_DIRECTION_RTL) {
diff --git a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
new file mode 100644
index 0000000..f6f185a
--- /dev/null
+++ b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
@@ -0,0 +1,7440 @@
+/*
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.policy.impl;
+
+import android.app.ActivityManager;
+import android.app.ActivityManagerNative;
+import android.app.AppOpsManager;
+import android.app.IUiModeManager;
+import android.app.ProgressDialog;
+import android.app.SearchManager;
+import android.app.StatusBarManager;
+import android.app.UiModeManager;
+import android.content.ActivityNotFoundException;
+import android.content.BroadcastReceiver;
+import android.content.ComponentName;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.ContextWrapper;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.ServiceConnection;
+import android.content.pm.ActivityInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.res.CompatibilityInfo;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.content.res.TypedArray;
+import android.database.ContentObserver;
+import android.graphics.PixelFormat;
+import android.graphics.Rect;
+import android.hardware.input.InputManager;
+import android.media.AudioAttributes;
+import android.media.AudioManager;
+import android.media.IAudioService;
+import android.media.Ringtone;
+import android.media.RingtoneManager;
+import android.media.session.MediaSessionLegacyHelper;
+import android.os.Bundle;
+import android.os.Debug;
+import android.os.FactoryTest;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.Looper;
+import android.os.Message;
+import android.os.Messenger;
+import android.os.PowerManager;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.os.SystemClock;
+import android.os.SystemProperties;
+import android.os.UEventObserver;
+import android.os.UserHandle;
+import android.os.Vibrator;
+import android.provider.MediaStore;
+import android.provider.Settings;
+import android.service.dreams.DreamManagerInternal;
+import android.service.dreams.DreamService;
+import android.service.dreams.IDreamManager;
+import android.speech.RecognizerIntent;
+import android.telecom.TelecomManager;
+import android.service.gesture.EdgeGestureManager;
+import com.android.internal.os.DeviceKeyHandler;
+
+import com.android.internal.util.cm.ActionUtils;
+import dalvik.system.DexClassLoader;
+import android.util.DisplayMetrics;
+import android.util.EventLog;
+import android.util.Log;
+import android.util.Slog;
+import android.util.SparseArray;
+import android.view.Display;
+import android.view.Gravity;
+import android.view.HapticFeedbackConstants;
+import android.view.IApplicationToken;
+import android.view.IWindowManager;
+import android.view.InputChannel;
+import android.view.InputDevice;
+import android.view.InputEvent;
+import android.view.InputEventReceiver;
+import android.view.KeyCharacterMap;
+import android.view.KeyCharacterMap.FallbackAction;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+import android.view.Surface;
+import android.view.View;
+import android.view.ViewConfiguration;
+import android.view.Window;
+import android.view.WindowManager;
+import android.view.WindowManagerGlobal;
+import android.view.WindowManagerInternal;
+import android.view.WindowManagerPolicy;
+import android.view.accessibility.AccessibilityEvent;
+import android.view.accessibility.AccessibilityManager;
+import android.view.animation.Animation;
+import android.view.animation.AnimationSet;
+import android.view.animation.AnimationUtils;
+import android.widget.Toast;
+
+import android.view.WindowManagerPolicyControl;
+import com.android.internal.R;
+import com.android.internal.policy.IKeyguardService;
+import com.android.internal.policy.IKeyguardServiceConstants;
+import com.android.internal.policy.PolicyManager;
+import com.android.internal.policy.impl.keyguard.KeyguardServiceDelegate;
+import com.android.internal.policy.impl.keyguard.KeyguardServiceDelegate.ShowListener;
+import com.android.internal.statusbar.IStatusBarService;
+import com.android.internal.util.gesture.EdgeGesturePosition;
+import com.android.internal.util.gesture.EdgeServiceConstants;
+import com.android.internal.widget.PointerLocationView;
+import com.android.server.LocalServices;
+
+import java.io.File;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.util.HashSet;
+import java.util.List;
+import java.lang.reflect.Constructor;
+
+import static android.view.WindowManager.LayoutParams.*;
+import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_ABSENT;
+import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_OPEN;
+import static android.view.WindowManagerPolicy.WindowManagerFuncs.LID_CLOSED;
+import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVER_ABSENT;
+import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_UNCOVERED;
+import static android.view.WindowManagerPolicy.WindowManagerFuncs.CAMERA_LENS_COVERED;
+
+/**
+ * WindowManagerPolicy implementation for the Android phone UI.  This
+ * introduces a new method suffix, Lp, for an internal lock of the
+ * PhoneWindowManager.  This is used to protect some internal state, and
+ * can be acquired with either the Lw and Li lock held, so has the restrictions
+ * of both of those when held.
+ */
+public class PhoneWindowManager implements WindowManagerPolicy {
+    static final String TAG = "WindowManager";
+    static final boolean DEBUG = false;
+    static final boolean localLOGV = false;
+    static final boolean DEBUG_INPUT = false;
+    static final boolean DEBUG_KEYGUARD = false;
+    static final boolean DEBUG_LAYOUT = false;
+    static final boolean DEBUG_STARTING_WINDOW = false;
+    static final boolean DEBUG_WAKEUP = false;
+    static final boolean SHOW_STARTING_ANIMATIONS = true;
+    static final boolean SHOW_PROCESSES_ON_ALT_MENU = false;
+
+    // Whether to allow dock apps with METADATA_DOCK_HOME to temporarily take over the Home key.
+    // No longer recommended for desk docks; still useful in car docks.
+    static final boolean ENABLE_CAR_DOCK_HOME_CAPTURE = true;
+    static final boolean ENABLE_DESK_DOCK_HOME_CAPTURE = false;
+
+    // QuickBoot time settings
+    static final int DEFAULT_LONG_PRESS_POWERON_TIME = 500;
+    static final int QUICKBOOT_LAUNCH_TIMEOUT = 2000;
+
+    static final int SHORT_PRESS_POWER_NOTHING = 0;
+    static final int SHORT_PRESS_POWER_GO_TO_SLEEP = 1;
+    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP = 2;
+    static final int SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME = 3;
+
+    static final int LONG_PRESS_POWER_NOTHING = 0;
+    static final int LONG_PRESS_POWER_GLOBAL_ACTIONS = 1;
+    static final int LONG_PRESS_POWER_SHUT_OFF = 2;
+    static final int LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM = 3;
+
+    static final int MULTI_PRESS_POWER_NOTHING = 0;
+    static final int MULTI_PRESS_POWER_THEATER_MODE = 1;
+    static final int MULTI_PRESS_POWER_BRIGHTNESS_BOOST = 2;
+
+    // These need to match the documentation/constant in
+    // core/res/res/values/config.xml
+    static final int APPLICATION_MEDIA_SUBLAYER = -2;
+    static final int APPLICATION_MEDIA_OVERLAY_SUBLAYER = -1;
+    static final int APPLICATION_PANEL_SUBLAYER = 1;
+    static final int APPLICATION_SUB_PANEL_SUBLAYER = 2;
+
+    static public final String SYSTEM_DIALOG_REASON_KEY = "reason";
+    static public final String SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS = "globalactions";
+    static public final String SYSTEM_DIALOG_REASON_RECENT_APPS = "recentapps";
+    static public final String SYSTEM_DIALOG_REASON_HOME_KEY = "homekey";
+    static public final String SYSTEM_DIALOG_REASON_ASSIST = "assist";
+
+    // Available custom actions to perform on a key press.
+    // Must match values for KEY_HOME_LONG_PRESS_ACTION in:
+    // core/java/android/provider/Settings.java
+    private static final int KEY_ACTION_NOTHING = 0;
+    private static final int KEY_ACTION_MENU = 1;
+    private static final int KEY_ACTION_APP_SWITCH = 2;
+    private static final int KEY_ACTION_SEARCH = 3;
+    private static final int KEY_ACTION_VOICE_SEARCH = 4;
+    private static final int KEY_ACTION_IN_APP_SEARCH = 5;
+    private static final int KEY_ACTION_LAUNCH_CAMERA = 6;
+    private static final int KEY_ACTION_SLEEP = 7;
+    private static final int KEY_ACTION_LAST_APP = 8;
+
+    // Masks for checking presence of hardware keys.
+    // Must match values in core/res/res/values/config.xml
+    private static final int KEY_MASK_HOME = 0x01;
+    private static final int KEY_MASK_BACK = 0x02;
+    private static final int KEY_MASK_MENU = 0x04;
+    private static final int KEY_MASK_ASSIST = 0x08;
+    private static final int KEY_MASK_APP_SWITCH = 0x10;
+    private static final int KEY_MASK_CAMERA = 0x20;
+    private static final int KEY_MASK_VOLUME = 0x40;
+
+    /**
+     * These are the system UI flags that, when changing, can cause the layout
+     * of the screen to change.
+     */
+    static final int SYSTEM_UI_CHANGING_LAYOUT =
+              View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
+            | View.SYSTEM_UI_FLAG_FULLSCREEN
+            | View.STATUS_BAR_TRANSLUCENT
+            | View.NAVIGATION_BAR_TRANSLUCENT
+            | View.SYSTEM_UI_TRANSPARENT;
+
+    private static final AudioAttributes VIBRATION_ATTRIBUTES = new AudioAttributes.Builder()
+            .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
+            .setUsage(AudioAttributes.USAGE_ASSISTANCE_SONIFICATION)
+            .build();
+
+    /**
+     * Broadcast Action: WiFi Display video is enabled or disabled
+     *
+     * <p>The intent will have the following extra values:
+     * <ul>
+     *   <li><em>state</em> - 0 for disabled, 1 for enabled. </li>
+     * </ul>
+     */
+
+    private static final String ACTION_WIFI_DISPLAY_VIDEO =
+            "org.codeaurora.intent.action.WIFI_DISPLAY_VIDEO";
+
+    /**
+     * The key indicate whether this is in power off alarm mode.
+     */
+    private static final String POWER_OFF_ALARM_MODE = "POWER_OFF_ALARM_MODE";
+
+    /**
+     * The full power off alarm class name.
+     */
+    private static final String ALARM_CLASS_NAME = "com.android.deskclock.alarms.AlarmActivity";
+
+    /**
+     * Keyguard stuff
+     */
+    private WindowState mKeyguardScrim;
+    private boolean mKeyguardHidden;
+    private boolean mKeyguardDrawnOnce;
+
+    /* Table of Application Launch keys.  Maps from key codes to intent categories.
+     *
+     * These are special keys that are used to launch particular kinds of applications,
+     * such as a web browser.  HID defines nearly a hundred of them in the Consumer (0x0C)
+     * usage page.  We don't support quite that many yet...
+     */
+    static SparseArray<String> sApplicationLaunchKeyCategories;
+    static {
+        sApplicationLaunchKeyCategories = new SparseArray<String>();
+        sApplicationLaunchKeyCategories.append(
+                KeyEvent.KEYCODE_EXPLORER, Intent.CATEGORY_APP_BROWSER);
+        sApplicationLaunchKeyCategories.append(
+                KeyEvent.KEYCODE_ENVELOPE, Intent.CATEGORY_APP_EMAIL);
+        sApplicationLaunchKeyCategories.append(
+                KeyEvent.KEYCODE_CONTACTS, Intent.CATEGORY_APP_CONTACTS);
+        sApplicationLaunchKeyCategories.append(
+                KeyEvent.KEYCODE_CALENDAR, Intent.CATEGORY_APP_CALENDAR);
+        sApplicationLaunchKeyCategories.append(
+                KeyEvent.KEYCODE_MUSIC, Intent.CATEGORY_APP_MUSIC);
+        sApplicationLaunchKeyCategories.append(
+                KeyEvent.KEYCODE_CALCULATOR, Intent.CATEGORY_APP_CALCULATOR);
+    }
+
+    /** Amount of time (in milliseconds) to wait for windows drawn before powering on. */
+    static final int WAITING_FOR_DRAWN_TIMEOUT = 1000;
+
+    private DeviceKeyHandler mDeviceKeyHandler;
+
+    /**
+     * Lock protecting internal state.  Must not call out into window
+     * manager with lock held.  (This lock will be acquired in places
+     * where the window manager is calling in with its own lock held.)
+     */
+    private final Object mLock = new Object();
+    private final Object mQuickBootLock = new Object();
+
+    Context mContext;
+    IWindowManager mWindowManager;
+    WindowManagerFuncs mWindowManagerFuncs;
+    WindowManagerInternal mWindowManagerInternal;
+    PowerManager mPowerManager;
+    DreamManagerInternal mDreamManagerInternal;
+    IStatusBarService mStatusBarService;
+    boolean mPreloadedRecentApps;
+    final Object mServiceAquireLock = new Object();
+    Vibrator mVibrator; // Vibrator for giving feedback of orientation changes
+    SearchManager mSearchManager;
+    AccessibilityManager mAccessibilityManager;
+
+    // Vibrator pattern for haptic feedback of a long press.
+    long[] mLongPressVibePattern;
+
+    // Vibrator pattern for haptic feedback of virtual key press.
+    long[] mVirtualKeyVibePattern;
+
+    // Vibrator pattern for a short vibration.
+    long[] mKeyboardTapVibePattern;
+
+    // Vibrator pattern for a short vibration when tapping on an hour/minute tick of a Clock.
+    long[] mClockTickVibePattern;
+
+    // Vibrator pattern for a short vibration when tapping on a day/month/year date of a Calendar.
+    long[] mCalendarDateVibePattern;
+
+    // Vibrator pattern for haptic feedback during boot when safe mode is disabled.
+    long[] mSafeModeDisabledVibePattern;
+
+    // Vibrator pattern for haptic feedback during boot when safe mode is enabled.
+    long[] mSafeModeEnabledVibePattern;
+
+    /** If true, hitting shift & menu will broadcast Intent.ACTION_BUG_REPORT */
+    boolean mEnableShiftMenuBugReports = false;
+
+    boolean mSafeMode;
+    WindowState mStatusBar = null;
+    int mStatusBarHeight;
+    WindowState mNavigationBar = null;
+    boolean mHasNavigationBar = false;
+    boolean mCanHideNavigationBar = false;
+    boolean mNavigationBarCanMove = false; // can the navigation bar ever move to the side?
+    boolean mNavigationBarOnBottom = true; // is the navigation bar on the bottom *right now*?
+    boolean mNavigationBarLeftInLandscape = false; // Navigation bar left handed?
+    int[] mNavigationBarHeightForRotation = new int[4];
+    int[] mNavigationBarWidthForRotation = new int[4];
+
+    boolean mBootMessageNeedsHiding;
+    KeyguardServiceDelegate mKeyguardDelegate;
+    final Runnable mWindowManagerDrawCallback = new Runnable() {
+        @Override
+        public void run() {
+            if (DEBUG_WAKEUP) Slog.i(TAG, "All windows ready for display!");
+            mHandler.sendEmptyMessage(MSG_WINDOW_MANAGER_DRAWN_COMPLETE);
+        }
+    };
+    final ShowListener mKeyguardDelegateCallback = new ShowListener() {
+        @Override
+        public void onShown(IBinder windowToken) {
+            if (DEBUG_WAKEUP) Slog.d(TAG, "mKeyguardDelegate.ShowListener.onShown.");
+            mHandler.sendEmptyMessage(MSG_KEYGUARD_DRAWN_COMPLETE);
+        }
+    };
+
+    GlobalActions mGlobalActions;
+    Handler mHandler;
+    WindowState mLastInputMethodWindow = null;
+    WindowState mLastInputMethodTargetWindow = null;
+
+    // FIXME This state is shared between the input reader and handler thread.
+    // Technically it's broken and buggy but it has been like this for many years
+    // and we have not yet seen any problems.  Someday we'll rewrite this logic
+    // so that only one thread is involved in handling input policy.  Unfortunately
+    // it's on a critical path for power management so we can't just post the work to the
+    // handler thread.  We'll need to resolve this someday by teaching the input dispatcher
+    // to hold wakelocks during dispatch and eliminating the critical path.
+    volatile boolean mPowerKeyHandled;
+    volatile boolean mBeganFromNonInteractive;
+    volatile int mPowerKeyPressCounter;
+    volatile boolean mEndCallKeyHandled;
+
+    boolean mRecentsVisible;
+    int mRecentAppsHeldModifiers;
+    boolean mLanguageSwitchKeyPressed;
+
+    int mLidState = LID_ABSENT;
+    int mCameraLensCoverState = CAMERA_LENS_COVER_ABSENT;
+    boolean mHaveBuiltInKeyboard;
+
+    boolean mSystemReady;
+    boolean mSystemBooted;
+    boolean mHdmiPlugged;
+    IUiModeManager mUiModeManager;
+    int mUiMode;
+    int mDockMode = Intent.EXTRA_DOCK_STATE_UNDOCKED;
+    int mLidOpenRotation;
+    boolean mHasRemovableLid;
+    int mCarDockRotation;
+    int mDeskDockRotation;
+    int mUndockedHdmiRotation;
+    int mDemoHdmiRotation;
+    boolean mDemoHdmiRotationLock;
+    int mDemoRotation;
+    boolean mDemoRotationLock;
+
+    boolean mWakeGestureEnabledSetting;
+    MyWakeGestureListener mWakeGestureListener;
+
+    // Default display does not rotate, apps that require non-default orientation will have to
+    // have the orientation emulated.
+    private boolean mForceDefaultOrientation = false;
+
+    int mUserRotationMode = WindowManagerPolicy.USER_ROTATION_FREE;
+    int mUserRotation = Surface.ROTATION_0;
+    int mUserRotationAngles = -1;
+    boolean mAccelerometerDefault;
+
+    boolean mSupportAutoRotation;
+    int mAllowAllRotations = -1;
+    boolean mCarDockEnablesAccelerometer;
+    boolean mDeskDockEnablesAccelerometer;
+    int mLidKeyboardAccessibility;
+    int mLidNavigationAccessibility;
+    boolean mLidControlsSleep;
+    int mShortPressOnPowerBehavior;
+    int mLongPressOnPowerBehavior;
+    int mDoublePressOnPowerBehavior;
+    int mTriplePressOnPowerBehavior;
+    boolean mAwake;
+    boolean mScreenOnEarly;
+    boolean mScreenOnFully;
+    ScreenOnListener mScreenOnListener;
+    boolean mKeyguardDrawComplete;
+    boolean mWindowManagerDrawComplete;
+    boolean mOrientationSensorEnabled = false;
+    int mCurrentAppOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+    boolean mHasSoftInput = false;
+    boolean mTranslucentDecorEnabled = true;
+    int mBackKillTimeout;
+
+    int mDeviceHardwareKeys;
+
+    // Button wake control flags
+    boolean mHomeWakeScreen;
+    boolean mBackWakeScreen;
+    boolean mMenuWakeScreen;
+    boolean mAssistWakeScreen;
+    boolean mAppSwitchWakeScreen;
+    boolean mVolumeWakeScreen;
+
+    // During wakeup by volume keys, we still need to capture subsequent events
+    // until the key is released. This is required since the beep sound is produced
+    // post keypressed.
+    boolean mVolumeWakeTriggered;
+
+    int mPointerLocationMode = 0; // guarded by mLock
+
+    int mLongPressPoweronTime = DEFAULT_LONG_PRESS_POWERON_TIME;
+    // The last window we were told about in focusChanged.
+    WindowState mFocusedWindow;
+    IApplicationToken mFocusedApp;
+
+    // Behavior of volbtn music controls
+    boolean mVolBtnMusicControls;
+    boolean mIsLongPress;
+
+    PointerLocationView mPointerLocationView;
+
+    // The current size of the screen; really; extends into the overscan area of
+    // the screen and doesn't account for any system elements like the status bar.
+    int mOverscanScreenLeft, mOverscanScreenTop;
+    int mOverscanScreenWidth, mOverscanScreenHeight;
+    // The current visible size of the screen; really; (ir)regardless of whether the status
+    // bar can be hidden but not extending into the overscan area.
+    int mUnrestrictedScreenLeft, mUnrestrictedScreenTop;
+    int mUnrestrictedScreenWidth, mUnrestrictedScreenHeight;
+    // Like mOverscanScreen*, but allowed to move into the overscan region where appropriate.
+    int mRestrictedOverscanScreenLeft, mRestrictedOverscanScreenTop;
+    int mRestrictedOverscanScreenWidth, mRestrictedOverscanScreenHeight;
+    // The current size of the screen; these may be different than (0,0)-(dw,dh)
+    // if the status bar can't be hidden; in that case it effectively carves out
+    // that area of the display from all other windows.
+    int mRestrictedScreenLeft, mRestrictedScreenTop;
+    int mRestrictedScreenWidth, mRestrictedScreenHeight;
+    // During layout, the current screen borders accounting for any currently
+    // visible system UI elements.
+    int mSystemLeft, mSystemTop, mSystemRight, mSystemBottom;
+    // For applications requesting stable content insets, these are them.
+    int mStableLeft, mStableTop, mStableRight, mStableBottom;
+    // For applications requesting stable content insets but have also set the
+    // fullscreen window flag, these are the stable dimensions without the status bar.
+    int mStableFullscreenLeft, mStableFullscreenTop;
+    int mStableFullscreenRight, mStableFullscreenBottom;
+    // For force immersive mode
+    int mForceImmersiveLeft, mForceImmersiveTop;
+    int mForceImmersiveRight, mForceImmersiveBottom;
+    // During layout, the current screen borders with all outer decoration
+    // (status bar, input method dock) accounted for.
+    int mCurLeft, mCurTop, mCurRight, mCurBottom;
+    // During layout, the frame in which content should be displayed
+    // to the user, accounting for all screen decoration except for any
+    // space they deem as available for other content.  This is usually
+    // the same as mCur*, but may be larger if the screen decor has supplied
+    // content insets.
+    int mContentLeft, mContentTop, mContentRight, mContentBottom;
+    // During layout, the frame in which voice content should be displayed
+    // to the user, accounting for all screen decoration except for any
+    // space they deem as available for other content.
+    int mVoiceContentLeft, mVoiceContentTop, mVoiceContentRight, mVoiceContentBottom;
+    // During layout, the current screen borders along which input method
+    // windows are placed.
+    int mDockLeft, mDockTop, mDockRight, mDockBottom;
+    // During layout, the layer at which the doc window is placed.
+    int mDockLayer;
+    // During layout, this is the layer of the status bar.
+    int mStatusBarLayer;
+    int mLastSystemUiFlags;
+    // Bits that we are in the process of clearing, so we want to prevent
+    // them from being set by applications until everything has been updated
+    // to have them clear.
+    int mResettingSystemUiFlags = 0;
+    // Bits that we are currently always keeping cleared.
+    int mForceClearedSystemUiFlags = 0;
+    // What we last reported to system UI about whether the compatibility
+    // menu needs to be displayed.
+    boolean mLastFocusNeedsMenu = false;
+
+    FakeWindow mHideNavFakeWindow = null;
+
+    static final Rect mTmpParentFrame = new Rect();
+    static final Rect mTmpDisplayFrame = new Rect();
+    static final Rect mTmpOverscanFrame = new Rect();
+    static final Rect mTmpContentFrame = new Rect();
+    static final Rect mTmpVisibleFrame = new Rect();
+    static final Rect mTmpDecorFrame = new Rect();
+    static final Rect mTmpStableFrame = new Rect();
+    static final Rect mTmpNavigationFrame = new Rect();
+
+    WindowState mTopFullscreenOpaqueWindowState;
+    HashSet<IApplicationToken> mAppsToBeHidden = new HashSet<IApplicationToken>();
+    HashSet<IApplicationToken> mAppsThatDismissKeyguard = new HashSet<IApplicationToken>();
+    boolean mTopIsFullscreen;
+    boolean mForceStatusBar;
+    boolean mForceStatusBarFromKeyguard;
+    boolean mHideLockScreen;
+    boolean mForcingShowNavBar;
+    int mForcingShowNavBarLayer;
+
+    boolean mDevForceNavbar = false;
+
+    // States of keyguard dismiss.
+    private static final int DISMISS_KEYGUARD_NONE = 0; // Keyguard not being dismissed.
+    private static final int DISMISS_KEYGUARD_START = 1; // Keyguard needs to be dismissed.
+    private static final int DISMISS_KEYGUARD_CONTINUE = 2; // Keyguard has been dismissed.
+    int mDismissKeyguard = DISMISS_KEYGUARD_NONE;
+
+    /** The window that is currently dismissing the keyguard. Dismissing the keyguard must only
+     * be done once per window. */
+    private WindowState mWinDismissingKeyguard;
+
+    /** The window that is currently showing "over" the keyguard. If there is an app window
+     * belonging to another app on top of this the keyguard shows. If there is a fullscreen
+     * app window under this, still dismiss the keyguard but don't show the app underneath. Show
+     * the wallpaper. */
+    private WindowState mWinShowWhenLocked;
+
+    boolean mShowingLockscreen;
+    boolean mShowingDream;
+    boolean mDreamingLockscreen;
+    boolean mKeyguardSecure;
+    boolean mKeyguardSecureIncludingHidden;
+    volatile boolean mKeyguardOccluded;
+    boolean mHomePressed;
+    boolean mHomeConsumed;
+    boolean mHomeDoubleTapPending;
+    boolean mMenuPressed;
+    boolean mAppSwitchLongPressed;
+    Intent mHomeIntent;
+    Intent mCarDockIntent;
+    Intent mDeskDockIntent;
+    boolean mSearchKeyShortcutPending;
+    boolean mConsumeSearchKeyUp;
+    boolean mAssistKeyLongPressed;
+    boolean mPendingMetaAction;
+
+    // Tracks user-customisable behavior for certain key events
+    private int mLongPressOnHomeBehavior = -1;
+    private int mPressOnMenuBehavior = -1;
+    private int mLongPressOnMenuBehavior = -1;
+    private int mPressOnAssistBehavior = -1;
+    private int mLongPressOnAssistBehavior = -1;
+    private int mPressOnAppSwitchBehavior = -1;
+    private int mLongPressOnAppSwitchBehavior = -1;
+
+    // support for activating the lock screen while the screen is on
+    boolean mAllowLockscreenWhenOn;
+    int mLockScreenTimeout;
+    boolean mLockScreenTimerActive;
+
+    // Behavior of ENDCALL Button.  (See Settings.System.END_BUTTON_BEHAVIOR.)
+    int mEndcallBehavior;
+
+    // Behavior of POWER button while in-call and screen on.
+    // (See Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR.)
+    int mIncallPowerBehavior;
+
+    // Behavior of HOME button during incomming call ring.
+    // (See Settings.Secure.RING_HOME_BUTTON_BEHAVIOR.)
+    int mRingHomeBehavior;
+
+    Display mDisplay;
+
+    int mLandscapeRotation = 0;  // default landscape rotation
+    int mSeascapeRotation = 0;   // "other" landscape rotation, 180 degrees from mLandscapeRotation
+    int mPortraitRotation = 0;   // default portrait rotation
+    int mUpsideDownRotation = 0; // "other" portrait rotation
+
+    int mOverscanLeft = 0;
+    int mOverscanTop = 0;
+    int mOverscanRight = 0;
+    int mOverscanBottom = 0;
+
+    // Panel Orientation default portrait
+    int mPanelOrientation = Surface.ROTATION_0;
+
+    // What we do when the user double-taps on home
+    private int mDoubleTapOnHomeBehavior;
+
+    // Allowed theater mode wake actions
+    private boolean mAllowTheaterModeWakeFromKey;
+    private boolean mAllowTheaterModeWakeFromPowerKey;
+    private boolean mAllowTheaterModeWakeFromMotion;
+    private boolean mAllowTheaterModeWakeFromMotionWhenNotDreaming;
+    private boolean mAllowTheaterModeWakeFromCameraLens;
+    private boolean mAllowTheaterModeWakeFromLidSwitch;
+    private boolean mAllowTheaterModeWakeFromWakeGesture;
+
+    // Whether to go to sleep entering theater mode from power button
+    private boolean mGoToSleepOnButtonPressTheaterMode;
+
+    // Screenshot trigger states
+    // Time to volume and power must be pressed within this interval of each other.
+    private static final long SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS = 150;
+    // Increase the chord delay when taking a screenshot from the keyguard
+    private static final float KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER = 2.5f;
+    private boolean mScreenshotChordEnabled;
+    private boolean mVolumeDownKeyTriggered;
+    private long mVolumeDownKeyTime;
+    private boolean mVolumeDownKeyConsumedByScreenshotChord;
+    private boolean mVolumeUpKeyTriggered;
+    private boolean mPowerKeyTriggered;
+    private long mVolumeUpKeyTime;
+    private boolean mVolumeUpKeyConsumedByScreenshotChord;
+    private long mPowerKeyTime;
+    private boolean mScreenshotChordVolumeDownKeyTriggered;
+    private long mScreenshotChordVolumeDownKeyTime;
+    private boolean mScreenshotChordVolumeDownKeyConsumed;
+    private boolean mScreenshotChordVolumeUpKeyTriggered;
+    private boolean mScreenshotChordPowerKeyTriggered;
+    private long mScreenshotChordPowerKeyTime;
+
+    /* The number of steps between min and max brightness */
+    private static final int BRIGHTNESS_STEPS = 10;
+
+    SettingsObserver mSettingsObserver;
+    ShortcutManager mShortcutManager;
+    PowerManager.WakeLock mBroadcastWakeLock;
+    PowerManager.WakeLock mQuickBootWakeLock;
+    PowerManager.WakeLock mPowerKeyWakeLock;
+    boolean mHavePendingMediaKeyRepeatWithWakeLock;
+
+    private int mCurrentUserId;
+
+    // Maps global key codes to the components that will handle them.
+    private GlobalKeyManager mGlobalKeyManager;
+
+    // Fallback actions by key code.
+    private final SparseArray<KeyCharacterMap.FallbackAction> mFallbackActions =
+            new SparseArray<KeyCharacterMap.FallbackAction>();
+
+    private final LogDecelerateInterpolator mLogDecelerateInterpolator
+            = new LogDecelerateInterpolator(100, 0);
+
+    private static final int MSG_ENABLE_POINTER_LOCATION = 1;
+    private static final int MSG_DISABLE_POINTER_LOCATION = 2;
+    private static final int MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK = 3;
+    private static final int MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK = 4;
+    private static final int MSG_KEYGUARD_DRAWN_COMPLETE = 5;
+    private static final int MSG_KEYGUARD_DRAWN_TIMEOUT = 6;
+    private static final int MSG_WINDOW_MANAGER_DRAWN_COMPLETE = 7;
+    private static final int MSG_DISPATCH_SHOW_RECENTS = 9;
+    private static final int MSG_DISPATCH_SHOW_GLOBAL_ACTIONS = 10;
+    private static final int MSG_HIDE_BOOT_MESSAGE = 11;
+    private static final int MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK = 12;
+    boolean mWifiDisplayConnected = false;
+    int     mWifiDisplayCustomRotation = -1;
+    private static final int MSG_POWER_DELAYED_PRESS = 13;
+    private static final int MSG_POWER_LONG_PRESS = 14;
+    private static final int MSG_DISPATCH_VOLKEY_WITH_WAKE_LOCK = 15;
+    private boolean mHasPermanentMenuKey;
+    private boolean mClearedBecauseOfForceShow;
+    private boolean mTopWindowIsKeyguard;
+
+    private class PolicyHandler extends Handler {
+        @Override
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+                case MSG_ENABLE_POINTER_LOCATION:
+                    enablePointerLocation();
+                    break;
+                case MSG_DISABLE_POINTER_LOCATION:
+                    disablePointerLocation();
+                    break;
+                case MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK:
+                    dispatchMediaKeyWithWakeLock((KeyEvent)msg.obj);
+                    break;
+                case MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK:
+                    dispatchMediaKeyRepeatWithWakeLock((KeyEvent)msg.obj);
+                    break;
+                case MSG_DISPATCH_SHOW_RECENTS:
+                    showRecentApps(false);
+                    break;
+                case MSG_DISPATCH_SHOW_GLOBAL_ACTIONS:
+                    showGlobalActionsInternal();
+                    break;
+                case MSG_KEYGUARD_DRAWN_COMPLETE:
+                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mKeyguardDrawComplete");
+                    finishKeyguardDrawn();
+                    break;
+                case MSG_KEYGUARD_DRAWN_TIMEOUT:
+                    Slog.w(TAG, "Keyguard drawn timeout. Setting mKeyguardDrawComplete");
+                    finishKeyguardDrawn();
+                    break;
+                case MSG_WINDOW_MANAGER_DRAWN_COMPLETE:
+                    if (DEBUG_WAKEUP) Slog.w(TAG, "Setting mWindowManagerDrawComplete");
+                    finishWindowsDrawn();
+                    break;
+                case MSG_HIDE_BOOT_MESSAGE:
+                    handleHideBootMessage();
+                    break;
+                case MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK:
+                    launchVoiceAssistWithWakeLock(msg.arg1 != 0);
+                    break;
+                case MSG_POWER_DELAYED_PRESS:
+                    powerPress((Long)msg.obj, msg.arg1 != 0, msg.arg2);
+                    finishPowerKeyPress();
+                    break;
+                case MSG_POWER_LONG_PRESS:
+                    powerLongPress();
+                    break;
+                case MSG_DISPATCH_VOLKEY_WITH_WAKE_LOCK: {
+                    KeyEvent event = (KeyEvent) msg.obj;
+                    mIsLongPress = true;
+                    dispatchMediaKeyWithWakeLockToAudioService(event);
+                    dispatchMediaKeyWithWakeLockToAudioService(
+                            KeyEvent.changeAction(event, KeyEvent.ACTION_UP));
+                    break;
+                }
+            }
+        }
+    }
+
+    private UEventObserver mHDMIObserver = new UEventObserver() {
+        @Override
+        public void onUEvent(UEventObserver.UEvent event) {
+            setHdmiPlugged("1".equals(event.get("SWITCH_STATE")));
+        }
+    };
+
+    class SettingsObserver extends ContentObserver {
+        SettingsObserver(Handler handler) {
+            super(handler);
+        }
+
+        void observe() {
+            // Observe all users' changes
+            ContentResolver resolver = mContext.getContentResolver();
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.END_BUTTON_BEHAVIOR), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.Secure.getUriFor(
+                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.Secure.getUriFor(
+                    Settings.Secure.RING_HOME_BUTTON_BEHAVIOR), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.Secure.getUriFor(
+                    Settings.Secure.WAKE_GESTURE_ENABLED), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.ACCELEROMETER_ROTATION), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.USER_ROTATION), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.SCREEN_OFF_TIMEOUT), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.POINTER_LOCATION), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.KEY_HOME_LONG_PRESS_ACTION), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.KEY_HOME_DOUBLE_TAP_ACTION), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.KEY_MENU_ACTION), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.KEY_MENU_LONG_PRESS_ACTION), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.KEY_ASSIST_ACTION), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.KEY_ASSIST_LONG_PRESS_ACTION), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.KEY_APP_SWITCH_ACTION), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.KEY_APP_SWITCH_LONG_PRESS_ACTION), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.Secure.getUriFor(
+                    Settings.Secure.DEFAULT_INPUT_METHOD), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.Secure.getUriFor(
+                    Settings.Secure.IMMERSIVE_MODE_CONFIRMATIONS), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.Global.getUriFor(
+                    Settings.Global.POLICY_CONTROL), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.USE_EDGE_SERVICE_FOR_GESTURES), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.Secure.DEV_FORCE_SHOW_NAVBAR), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.HOME_WAKE_SCREEN), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.BACK_WAKE_SCREEN), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.MENU_WAKE_SCREEN), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.ASSIST_WAKE_SCREEN), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.APP_SWITCH_WAKE_SCREEN), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.VOLUME_WAKE_SCREEN), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.VOLBTN_MUSIC_CONTROLS), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.ACCELEROMETER_ROTATION_ANGLES), false, this,
+                    UserHandle.USER_ALL);
+            resolver.registerContentObserver(Settings.System.getUriFor(
+                    Settings.System.NAVBAR_LEFT_IN_LANDSCAPE), false, this,
+                    UserHandle.USER_ALL);
+            updateSettings();
+        }
+
+        @Override public void onChange(boolean selfChange) {
+            updateSettings();
+            updateRotation(false);
+        }
+    }
+
+    class MyWakeGestureListener extends WakeGestureListener {
+        MyWakeGestureListener(Context context, Handler handler) {
+            super(context, handler);
+        }
+
+        @Override
+        public void onWakeUp() {
+            synchronized (mLock) {
+                if (shouldEnableWakeGestureLp()) {
+                    performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
+                    wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromWakeGesture);
+                }
+            }
+        }
+    }
+
+    class MyOrientationListener extends WindowOrientationListener {
+        MyOrientationListener(Context context, Handler handler) {
+            super(context, handler);
+        }
+
+        @Override
+        public void onProposedRotationChanged(int rotation) {
+            if (localLOGV) Slog.v(TAG, "onProposedRotationChanged, rotation=" + rotation);
+            updateRotation(false);
+        }
+    }
+    MyOrientationListener mOrientationListener;
+
+    private final BarController mStatusBarController = new BarController("StatusBar",
+            View.STATUS_BAR_TRANSIENT,
+            View.STATUS_BAR_UNHIDE,
+            View.STATUS_BAR_TRANSLUCENT,
+            StatusBarManager.WINDOW_STATUS_BAR,
+            WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
+
+    private final BarController mNavigationBarController = new BarController("NavigationBar",
+            View.NAVIGATION_BAR_TRANSIENT,
+            View.NAVIGATION_BAR_UNHIDE,
+            View.NAVIGATION_BAR_TRANSLUCENT,
+            StatusBarManager.WINDOW_NAVIGATION_BAR,
+            WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
+
+    private ImmersiveModeConfirmation mImmersiveModeConfirmation;
+
+    private SystemGesturesPointerEventListener mSystemGestures;
+
+    private EdgeGestureManager.EdgeGestureActivationListener mEdgeGestureActivationListener
+            = new EdgeGestureManager.EdgeGestureActivationListener() {
+
+        @Override
+        public void onEdgeGestureActivation(int touchX, int touchY,
+                EdgeGesturePosition position, int flags) {
+            WindowState target = null;
+
+            if (position == EdgeGesturePosition.TOP) {
+                target = mStatusBar;
+            } else if (position == EdgeGesturePosition.BOTTOM  && mNavigationBarOnBottom) {
+                target = mNavigationBar;
+            } else if (position == EdgeGesturePosition.LEFT
+                    && !mNavigationBarOnBottom && mNavigationBarLeftInLandscape) {
+                target = mNavigationBar;
+            } else if (position == EdgeGesturePosition.RIGHT && !mNavigationBarOnBottom) {
+                target = mNavigationBar;
+            }
+
+            if (target != null) {
+                requestTransientBars(target);
+                dropEventsUntilLift();
+                mEdgeListenerActivated = true;
+            } else {
+                restoreListenerState();
+            }
+        }
+    };
+    private EdgeGestureManager mEdgeGestureManager = null;
+    private int mLastEdgePositions = 0;
+    private boolean mEdgeListenerActivated = false;
+    private boolean mUsingEdgeGestureServiceForGestures = false;
+
+    private void updateEdgeGestureListenerState() {
+        int flags = 0;
+        if (mUsingEdgeGestureServiceForGestures) {
+            flags = EdgeServiceConstants.LONG_LIVING | EdgeServiceConstants.UNRESTRICTED;
+            if (mStatusBar != null && !mStatusBar.isVisibleLw()) {
+                flags |= EdgeGesturePosition.TOP.FLAG;
+            }
+            if (mNavigationBar != null && !mNavigationBar.isVisibleLw() && !isStatusBarKeyguard()) {
+                if (mNavigationBarOnBottom) {
+                    flags |= EdgeGesturePosition.BOTTOM.FLAG;
+                } else if (mNavigationBarLeftInLandscape) {
+                    flags |= EdgeGesturePosition.LEFT.FLAG;
+                } else {
+                    flags |= EdgeGesturePosition.RIGHT.FLAG;
+                }
+            }
+        }
+        if (mEdgeListenerActivated) {
+            mEdgeGestureActivationListener.restoreListenerState();
+            mEdgeListenerActivated = false;
+        }
+        if (flags != mLastEdgePositions) {
+            mEdgeGestureManager.updateEdgeGestureActivationListener(mEdgeGestureActivationListener,
+                    flags);
+            mLastEdgePositions = flags;
+        }
+    }
+
+    IStatusBarService getStatusBarService() {
+        synchronized (mServiceAquireLock) {
+            if (mStatusBarService == null) {
+                mStatusBarService = IStatusBarService.Stub.asInterface(
+                        ServiceManager.getService("statusbar"));
+            }
+            return mStatusBarService;
+        }
+    }
+
+    /*
+     * We always let the sensor be switched on by default except when
+     * the user has explicitly disabled sensor based rotation or when the
+     * screen is switched off.
+     */
+    boolean needSensorRunningLp() {
+        if (mSupportAutoRotation) {
+            if (mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
+                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
+                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT
+                    || mCurrentAppOrientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
+                // If the application has explicitly requested to follow the
+                // orientation, then we need to turn the sensor on.
+                return true;
+            }
+        }
+        if ((mCarDockEnablesAccelerometer && mDockMode == Intent.EXTRA_DOCK_STATE_CAR) ||
+                (mDeskDockEnablesAccelerometer && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
+                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
+                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK))) {
+            // enable accelerometer if we are docked in a dock that enables accelerometer
+            // orientation management,
+            return true;
+        }
+        if (mUserRotationMode == USER_ROTATION_LOCKED) {
+            // If the setting for using the sensor by default is enabled, then
+            // we will always leave it on.  Note that the user could go to
+            // a window that forces an orientation that does not use the
+            // sensor and in theory we could turn it off... however, when next
+            // turning it on we won't have a good value for the current
+            // orientation for a little bit, which can cause orientation
+            // changes to lag, so we'd like to keep it always on.  (It will
+            // still be turned off when the screen is off.)
+            return false;
+        }
+        return mSupportAutoRotation;
+    }
+
+    /*
+     * Various use cases for invoking this function
+     * screen turning off, should always disable listeners if already enabled
+     * screen turned on and current app has sensor based orientation, enable listeners
+     * if not already enabled
+     * screen turned on and current app does not have sensor orientation, disable listeners if
+     * already enabled
+     * screen turning on and current app has sensor based orientation, enable listeners if needed
+     * screen turning on and current app has nosensor based orientation, do nothing
+     */
+    void updateOrientationListenerLp() {
+        if (!mOrientationListener.canDetectOrientation()) {
+            // If sensor is turned off or nonexistent for some reason
+            return;
+        }
+        //Could have been invoked due to screen turning on or off or
+        //change of the currently visible window's orientation
+        if (localLOGV) Slog.v(TAG, "mScreenOnEarly=" + mScreenOnEarly
+                + ", mAwake=" + mAwake + ", mCurrentAppOrientation=" + mCurrentAppOrientation
+                + ", mOrientationSensorEnabled=" + mOrientationSensorEnabled);
+        boolean disable = true;
+        if (mScreenOnEarly && mAwake) {
+            if (needSensorRunningLp()) {
+                disable = false;
+                //enable listener if not already enabled
+                if (!mOrientationSensorEnabled) {
+                    mOrientationListener.enable();
+                    if(localLOGV) Slog.v(TAG, "Enabling listeners");
+                    mOrientationSensorEnabled = true;
+                }
+            }
+        }
+        //check if sensors need to be disabled
+        if (disable && mOrientationSensorEnabled) {
+            mOrientationListener.disable();
+            if(localLOGV) Slog.v(TAG, "Disabling listeners");
+            mOrientationSensorEnabled = false;
+        }
+    }
+
+    private void interceptPowerKeyDown(KeyEvent event, boolean interactive) {
+        // Hold a wake lock until the power key is released.
+        if (!mPowerKeyWakeLock.isHeld()) {
+            mPowerKeyWakeLock.acquire();
+        }
+
+        // Cancel multi-press detection timeout.
+        if (mPowerKeyPressCounter != 0) {
+            mHandler.removeMessages(MSG_POWER_DELAYED_PRESS);
+        }
+
+        // Detect user pressing the power button in panic when an application has
+        // taken over the whole screen.
+        boolean panic = mImmersiveModeConfirmation.onPowerKeyDown(interactive,
+                event.getDownTime(), isImmersiveMode(mLastSystemUiFlags));
+        if (panic && !WindowManagerPolicyControl.isImmersiveFiltersActive()) {
+            mHandler.post(mRequestTransientNav);
+        }
+
+        // Latch power key state to detect screenshot chord.
+        if (interactive && !mScreenshotChordPowerKeyTriggered
+                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
+            mScreenshotChordPowerKeyTriggered = true;
+            mScreenshotChordPowerKeyTime = event.getDownTime();
+            interceptScreenshotChord();
+        }
+
+        // Stop ringing or end call if configured to do so when power is pressed.
+        TelecomManager telecomManager = getTelecommService();
+        boolean hungUp = false;
+        if (telecomManager != null) {
+            if (telecomManager.isRinging()) {
+                // Pressing Power while there's a ringing incoming
+                // call should silence the ringer.
+                telecomManager.silenceRinger();
+            } else if ((mIncallPowerBehavior
+                    & Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP) != 0
+                    && telecomManager.isInCall() && interactive) {
+                // Otherwise, if "Power button ends call" is enabled,
+                // the Power button will hang up any current active call.
+                hungUp = telecomManager.endCall();
+            }
+        }
+
+        // If the power key has still not yet been handled, then detect short
+        // press, long press, or multi press and decide what to do.
+        mPowerKeyHandled = hungUp || mScreenshotChordVolumeDownKeyTriggered
+                || mScreenshotChordVolumeUpKeyTriggered;
+        if (!mPowerKeyHandled) {
+            if (interactive) {
+                // When interactive, we're already awake.
+                // Wait for a long press or for the button to be released to decide what to do.
+                if (hasLongPressOnPowerBehavior()) {
+                    Message msg = mHandler.obtainMessage(MSG_POWER_LONG_PRESS);
+                    msg.setAsynchronous(true);
+                    mHandler.sendMessageDelayed(msg,
+                            ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
+                }
+            } else {
+                wakeUpFromPowerKey(event.getDownTime());
+                final int maxCount = getMaxMultiPressPowerCount();
+
+                if (maxCount <= 1) {
+                    mPowerKeyHandled = true;
+                } else {
+                    mBeganFromNonInteractive = true;
+                }
+            }
+        }
+    }
+
+    private void interceptPowerKeyUp(KeyEvent event, boolean interactive, boolean canceled) {
+        final boolean handled = canceled || mPowerKeyHandled;
+        mScreenshotChordPowerKeyTriggered = false;
+        cancelPendingScreenshotChordAction();
+        cancelPendingPowerKeyAction();
+
+        if (!handled) {
+            // Figure out how to handle the key now that it has been released.
+            mPowerKeyPressCounter += 1;
+
+            final int maxCount = getMaxMultiPressPowerCount();
+            final long eventTime = event.getDownTime();
+            if (mPowerKeyPressCounter < maxCount) {
+                // This could be a multi-press.  Wait a little bit longer to confirm.
+                // Continue holding the wake lock.
+                Message msg = mHandler.obtainMessage(MSG_POWER_DELAYED_PRESS,
+                        interactive ? 1 : 0, mPowerKeyPressCounter, eventTime);
+                msg.setAsynchronous(true);
+                mHandler.sendMessageDelayed(msg, ViewConfiguration.getDoubleTapTimeout());
+                return;
+            }
+
+            // No other actions.  Handle it immediately.
+            powerPress(eventTime, interactive, mPowerKeyPressCounter);
+        }
+
+        // Done.  Reset our state.
+        finishPowerKeyPress();
+    }
+
+    private void finishPowerKeyPress() {
+        mBeganFromNonInteractive = false;
+        mPowerKeyPressCounter = 0;
+        if (mPowerKeyWakeLock.isHeld()) {
+            mPowerKeyWakeLock.release();
+        }
+    }
+
+    private void cancelPendingPowerKeyAction() {
+        if (!mPowerKeyHandled) {
+            mPowerKeyHandled = true;
+            mHandler.removeMessages(MSG_POWER_LONG_PRESS);
+        }
+    }
+
+    private void powerPress(long eventTime, boolean interactive, int count) {
+        if (mScreenOnEarly && !mScreenOnFully) {
+            Slog.i(TAG, "Suppressed redundant power key press while "
+                    + "already in the process of turning the screen on.");
+            return;
+        }
+
+        if (count == 2) {
+            powerMultiPressAction(eventTime, interactive, mDoublePressOnPowerBehavior);
+        } else if (count == 3) {
+            powerMultiPressAction(eventTime, interactive, mTriplePressOnPowerBehavior);
+        } else if (interactive && !mBeganFromNonInteractive) {
+            switch (mShortPressOnPowerBehavior) {
+                case SHORT_PRESS_POWER_NOTHING:
+                    break;
+                case SHORT_PRESS_POWER_GO_TO_SLEEP:
+                    mPowerManager.goToSleep(eventTime,
+                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
+                    break;
+                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP:
+                    mPowerManager.goToSleep(eventTime,
+                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
+                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
+                    break;
+                case SHORT_PRESS_POWER_REALLY_GO_TO_SLEEP_AND_GO_HOME:
+                    mPowerManager.goToSleep(eventTime,
+                            PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON,
+                            PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
+                    launchHomeFromHotKey();
+                    break;
+            }
+        }
+    }
+
+    private void powerMultiPressAction(long eventTime, boolean interactive, int behavior) {
+        switch (behavior) {
+            case MULTI_PRESS_POWER_NOTHING:
+                break;
+            case MULTI_PRESS_POWER_THEATER_MODE:
+                if (isTheaterModeEnabled()) {
+                    Slog.i(TAG, "Toggling theater mode off.");
+                    Settings.Global.putInt(mContext.getContentResolver(),
+                            Settings.Global.THEATER_MODE_ON, 0);
+                    if (!interactive) {
+                        wakeUpFromPowerKey(eventTime);
+                    }
+                } else {
+                    Slog.i(TAG, "Toggling theater mode on.");
+                    Settings.Global.putInt(mContext.getContentResolver(),
+                            Settings.Global.THEATER_MODE_ON, 1);
+
+                    if (mGoToSleepOnButtonPressTheaterMode && interactive) {
+                        mPowerManager.goToSleep(eventTime,
+                                PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
+                    }
+                }
+                break;
+            case MULTI_PRESS_POWER_BRIGHTNESS_BOOST:
+                Slog.i(TAG, "Starting brightness boost.");
+                if (!interactive) {
+                    wakeUpFromPowerKey(eventTime);
+                }
+                mPowerManager.boostScreenBrightness(eventTime);
+                break;
+        }
+    }
+
+    private int getMaxMultiPressPowerCount() {
+        if (mTriplePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
+            return 3;
+        }
+        if (mDoublePressOnPowerBehavior != MULTI_PRESS_POWER_NOTHING) {
+            return 2;
+        }
+        return 1;
+    }
+
+    private void powerLongPress() {
+        final int behavior = getResolvedLongPressOnPowerBehavior();
+        switch (behavior) {
+        case LONG_PRESS_POWER_NOTHING:
+            break;
+        case LONG_PRESS_POWER_GLOBAL_ACTIONS:
+            mPowerKeyHandled = true;
+            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
+                performAuditoryFeedbackForAccessibilityIfNeed();
+            }
+            showGlobalActionsInternal();
+            break;
+        case LONG_PRESS_POWER_SHUT_OFF:
+        case LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM:
+            mPowerKeyHandled = true;
+            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
+            sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
+            mWindowManagerFuncs.shutdown(behavior == LONG_PRESS_POWER_SHUT_OFF);
+            break;
+        }
+    }
+
+    private int getResolvedLongPressOnPowerBehavior() {
+        if (FactoryTest.isLongPressOnPowerOffEnabled()) {
+            return LONG_PRESS_POWER_SHUT_OFF_NO_CONFIRM;
+        }
+        return mLongPressOnPowerBehavior;
+    }
+
+    private boolean hasLongPressOnPowerBehavior() {
+        return getResolvedLongPressOnPowerBehavior() != LONG_PRESS_POWER_NOTHING;
+    }
+
+    private void interceptScreenshotChord() {
+        if (mScreenshotChordEnabled
+                && mScreenshotChordVolumeDownKeyTriggered && mScreenshotChordPowerKeyTriggered
+                && !mScreenshotChordVolumeUpKeyTriggered) {
+            final long now = SystemClock.uptimeMillis();
+            if (now <= mScreenshotChordVolumeDownKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
+                    && now <= mScreenshotChordPowerKeyTime
+                            + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
+                mScreenshotChordVolumeDownKeyConsumed = true;
+                cancelPendingPowerKeyAction();
+
+                mHandler.postDelayed(mScreenshotRunnable, getScreenshotChordLongPressDelay());
+            }
+        }
+    }
+
+    private void interceptScreenshotLog() {
+        if (mScreenshotChordEnabled
+                && mVolumeUpKeyTriggered && mPowerKeyTriggered && !mVolumeDownKeyTriggered) {
+            final long now = SystemClock.uptimeMillis();
+            if (now <= mVolumeUpKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS
+                   && now <= mPowerKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS) {
+                mVolumeUpKeyConsumedByScreenshotChord = true;
+                cancelPendingScreenshotForLog();
+
+                mHandler.postDelayed(mScreenshotForLog, getScreenshotChordLongPressDelay());
+            }
+        }
+    }
+
+    private void cancelPendingScreenshotForLog() {
+        mHandler.removeCallbacks(mScreenshotForLog);
+    }
+
+    private long getScreenshotChordLongPressDelay() {
+        if (mKeyguardDelegate.isShowing()) {
+            // Double the time it takes to take a screenshot from the keyguard
+            return (long) (KEYGUARD_SCREENSHOT_CHORD_DELAY_MULTIPLIER *
+                    ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
+        }
+        return ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout();
+    }
+
+    private void cancelPendingScreenshotChordAction() {
+        mHandler.removeCallbacks(mScreenshotRunnable);
+    }
+
+    private final Runnable mEndCallLongPress = new Runnable() {
+        @Override
+        public void run() {
+            mEndCallKeyHandled = true;
+            if (!performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false)) {
+                performAuditoryFeedbackForAccessibilityIfNeed();
+            }
+            showGlobalActionsInternal();
+        }
+    };
+
+    private final Runnable mScreenshotRunnable = new Runnable() {
+        @Override
+        public void run() {
+            takeScreenshot();
+        }
+    };
+
+    private final Runnable mScreenshotForLog = new Runnable() {
+        public void run() {
+            Intent intent = new Intent("android.system.agent");
+            intent.setComponent(new ComponentName("com.qualcomm.agent",
+                    "com.qualcomm.agent.SystemAgent"));
+            intent.putExtra("para", "takeLogs");
+            try {
+                mContext.startService(intent);
+            } catch (Exception e) {
+                Slog.e(TAG, "Exception when start SystemAgent service", e);
+            }
+        }
+    };
+
+    @Override
+    public void showGlobalActions() {
+        mHandler.removeMessages(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
+        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_GLOBAL_ACTIONS);
+    }
+
+    Runnable mBackLongPress = new Runnable() {
+        public void run() {
+            if (!unpinActivity(false) && ActionUtils.killForegroundApp(mContext, mCurrentUserId)) {
+                performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
+                Toast.makeText(mContext, R.string.app_killed_message, Toast.LENGTH_SHORT).show();
+            }
+        }
+    };
+
+    void showGlobalActionsInternal() {
+        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_GLOBAL_ACTIONS);
+        if (mGlobalActions == null) {
+            mGlobalActions = new GlobalActions(mContext, mWindowManagerFuncs);
+        }
+        final boolean keyguardShowing = isKeyguardShowingAndNotOccluded();
+        mGlobalActions.showDialog(keyguardShowing, isDeviceProvisioned());
+        if (keyguardShowing) {
+            // since it took two seconds of long press to bring this up,
+            // poke the wake lock so they have some time to see the dialog.
+            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
+        }
+    }
+
+    boolean isDeviceProvisioned() {
+        return Settings.Global.getInt(
+                mContext.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0;
+    }
+
+    boolean isUserSetupComplete() {
+        return Settings.Secure.getIntForUser(mContext.getContentResolver(),
+                Settings.Secure.USER_SETUP_COMPLETE, 0, UserHandle.USER_CURRENT) != 0;
+    }
+
+    private void handleShortPressOnHome() {
+        // If there's a dream running then use home to escape the dream
+        // but don't actually go home.
+        if (mDreamManagerInternal != null && mDreamManagerInternal.isDreaming()) {
+            mDreamManagerInternal.stopDream(false /*immediate*/);
+            return;
+        }
+
+        // Go home!
+        launchHomeFromHotKey();
+    }
+
+    private void triggerVirtualKeypress(final int keyCode) {
+        InputManager im = InputManager.getInstance();
+        long now = SystemClock.uptimeMillis();
+
+        final KeyEvent downEvent = new KeyEvent(now, now, KeyEvent.ACTION_DOWN,
+                keyCode, 0, 0, KeyCharacterMap.VIRTUAL_KEYBOARD, 0,
+                KeyEvent.FLAG_FROM_SYSTEM, InputDevice.SOURCE_KEYBOARD);
+        final KeyEvent upEvent = KeyEvent.changeAction(downEvent, KeyEvent.ACTION_UP);
+
+        im.injectInputEvent(downEvent, InputManager.INJECT_INPUT_EVENT_MODE_ASYNC);
+        im.injectInputEvent(upEvent, InputManager.INJECT_INPUT_EVENT_MODE_ASYNC);
+    }
+
+    private void launchCameraAction() {
+        sendCloseSystemWindows();
+        Intent intent = new Intent(Intent.ACTION_CAMERA_BUTTON, null);
+        mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT_OR_SELF,
+                null, null, null, 0, null, null);
+    }
+
+    private void performKeyAction(int behavior) {
+        switch (behavior) {
+            case KEY_ACTION_NOTHING:
+                break;
+            case KEY_ACTION_MENU:
+                triggerVirtualKeypress(KeyEvent.KEYCODE_MENU);
+                break;
+            case KEY_ACTION_APP_SWITCH:
+                toggleRecentApps();
+                break;
+            case KEY_ACTION_SEARCH:
+                launchAssistAction();
+                break;
+            case KEY_ACTION_VOICE_SEARCH:
+                launchAssistLongPressAction();
+                break;
+            case KEY_ACTION_IN_APP_SEARCH:
+                triggerVirtualKeypress(KeyEvent.KEYCODE_SEARCH);
+                break;
+            case KEY_ACTION_LAUNCH_CAMERA:
+                launchCameraAction();
+                break;
+            case KEY_ACTION_SLEEP:
+                mPowerManager.goToSleep(SystemClock.uptimeMillis());
+                break;
+            case KEY_ACTION_LAST_APP:
+                ActionUtils.switchToLastApp(mContext, mCurrentUserId);
+                break;
+            default:
+                break;
+        }
+    }
+
+    private final Runnable mHomeDoubleTapTimeoutRunnable = new Runnable() {
+        @Override
+        public void run() {
+            if (mHomeDoubleTapPending) {
+                mHomeDoubleTapPending = false;
+                handleShortPressOnHome();
+            }
+        }
+    };
+
+    /** {@inheritDoc} */
+    @Override
+    public void init(Context context, IWindowManager windowManager,
+            WindowManagerFuncs windowManagerFuncs) {
+        mContext = context;
+        mWindowManager = windowManager;
+        mWindowManagerFuncs = windowManagerFuncs;
+        mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
+        mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
+
+        mHandler = new PolicyHandler();
+        mWakeGestureListener = new MyWakeGestureListener(mContext, mHandler);
+        mOrientationListener = new MyOrientationListener(mContext, mHandler);
+        try {
+            mOrientationListener.setCurrentRotation(windowManager.getRotation());
+        } catch (RemoteException ex) { }
+        mSettingsObserver = new SettingsObserver(mHandler);
+        mSettingsObserver.observe();
+        mShortcutManager = new ShortcutManager(context, mHandler);
+        mShortcutManager.observe();
+        mUiMode = context.getResources().getInteger(
+                com.android.internal.R.integer.config_defaultUiModeType);
+        mHomeIntent =  new Intent(Intent.ACTION_MAIN, null);
+        mHomeIntent.addCategory(Intent.CATEGORY_HOME);
+        mHomeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
+        mCarDockIntent =  new Intent(Intent.ACTION_MAIN, null);
+        mCarDockIntent.addCategory(Intent.CATEGORY_CAR_DOCK);
+        mCarDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
+        mDeskDockIntent =  new Intent(Intent.ACTION_MAIN, null);
+        mDeskDockIntent.addCategory(Intent.CATEGORY_DESK_DOCK);
+        mDeskDockIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
+
+        mPowerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
+        mBroadcastWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
+                "PhoneWindowManager.mBroadcastWakeLock");
+        mQuickBootWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
+                "PhoneWindowManager.mQuickBootWakeLock");
+        mLongPressPoweronTime = SystemProperties.getInt("ro.quickboot.press_duration",
+                DEFAULT_LONG_PRESS_POWERON_TIME);
+        mPowerKeyWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
+                "PhoneWindowManager.mPowerKeyWakeLock");
+        mEnableShiftMenuBugReports = "1".equals(SystemProperties.get("ro.debuggable"));
+        mSupportAutoRotation = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_supportAutoRotation);
+        mLidOpenRotation = readRotation(
+                com.android.internal.R.integer.config_lidOpenRotation);
+        mCarDockRotation = readRotation(
+                com.android.internal.R.integer.config_carDockRotation);
+        mDeskDockRotation = readRotation(
+                com.android.internal.R.integer.config_deskDockRotation);
+        mUndockedHdmiRotation = readRotation(
+                com.android.internal.R.integer.config_undockedHdmiRotation);
+        mCarDockEnablesAccelerometer = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_carDockEnablesAccelerometer);
+        mDeskDockEnablesAccelerometer = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_deskDockEnablesAccelerometer);
+        mLidKeyboardAccessibility = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_lidKeyboardAccessibility);
+        mLidNavigationAccessibility = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_lidNavigationAccessibility);
+        mLidControlsSleep = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_lidControlsSleep);
+        mTranslucentDecorEnabled = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_enableTranslucentDecor);
+
+        mAllowTheaterModeWakeFromKey = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_allowTheaterModeWakeFromKey);
+        mAllowTheaterModeWakeFromPowerKey = mAllowTheaterModeWakeFromKey
+                || mContext.getResources().getBoolean(
+                    com.android.internal.R.bool.config_allowTheaterModeWakeFromPowerKey);
+        mAllowTheaterModeWakeFromMotion = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotion);
+        mAllowTheaterModeWakeFromMotionWhenNotDreaming = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_allowTheaterModeWakeFromMotionWhenNotDreaming);
+        mAllowTheaterModeWakeFromCameraLens = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_allowTheaterModeWakeFromCameraLens);
+        mAllowTheaterModeWakeFromLidSwitch = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_allowTheaterModeWakeFromLidSwitch);
+        mAllowTheaterModeWakeFromWakeGesture = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_allowTheaterModeWakeFromGesture);
+
+        mGoToSleepOnButtonPressTheaterMode = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_goToSleepOnButtonPressTheaterMode);
+
+        mShortPressOnPowerBehavior = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_shortPressOnPowerBehavior);
+        mLongPressOnPowerBehavior = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_longPressOnPowerBehavior);
+        mDoublePressOnPowerBehavior = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_doublePressOnPowerBehavior);
+        mTriplePressOnPowerBehavior = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_triplePressOnPowerBehavior);
+
+        mDeviceHardwareKeys = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_deviceHardwareKeys);
+        mHasRemovableLid = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_hasRemovableLid);
+        mBackKillTimeout = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_backKillTimeout);
+
+        updateKeyAssignments();
+
+        mAccessibilityManager = (AccessibilityManager) context.getSystemService(
+                Context.ACCESSIBILITY_SERVICE);
+
+        // register for dock events
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(UiModeManager.ACTION_ENTER_CAR_MODE);
+        filter.addAction(UiModeManager.ACTION_EXIT_CAR_MODE);
+        filter.addAction(UiModeManager.ACTION_ENTER_DESK_MODE);
+        filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
+        filter.addAction(Intent.ACTION_DOCK_EVENT);
+        Intent intent = context.registerReceiver(mDockReceiver, filter);
+        if (intent != null) {
+            // Retrieve current sticky dock event broadcast.
+            mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
+                    Intent.EXTRA_DOCK_STATE_UNDOCKED);
+        }
+
+        // register for dream-related broadcasts
+        filter = new IntentFilter();
+        filter.addAction(Intent.ACTION_DREAMING_STARTED);
+        filter.addAction(Intent.ACTION_DREAMING_STOPPED);
+        context.registerReceiver(mDreamReceiver, filter);
+
+        // register for multiuser-relevant broadcasts
+        filter = new IntentFilter(Intent.ACTION_USER_SWITCHED);
+        context.registerReceiver(mMultiuserReceiver, filter);
+
+        // monitor for system gestures
+        mSystemGestures = new SystemGesturesPointerEventListener(context,
+                new SystemGesturesPointerEventListener.Callbacks() {
+                    @Override
+                    public void onSwipeFromTop() {
+                        if (mStatusBar != null) {
+                            requestTransientBars(mStatusBar);
+                        }
+                    }
+                    @Override
+                    public void onSwipeFromBottom() {
+                        if (mNavigationBar != null && mNavigationBarOnBottom) {
+                            requestTransientBars(mNavigationBar);
+                        }
+                    }
+                    @Override
+                    public void onSwipeFromRight() {
+                        if (mNavigationBar != null && !mNavigationBarOnBottom &&
+                                !mNavigationBarLeftInLandscape) {
+                            requestTransientBars(mNavigationBar);
+                        }
+                    }
+                    @Override
+                    public void onSwipeFromLeft() {
+                        if (mNavigationBar != null && !mNavigationBarOnBottom &&
+                                mNavigationBarLeftInLandscape) {
+                            requestTransientBars(mNavigationBar);
+                        }
+                    }
+                    @Override
+                    public void onDebug() {
+                        // no-op
+                    }
+                });
+        mImmersiveModeConfirmation = new ImmersiveModeConfirmation(mContext);
+        mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
+
+        mVibrator = (Vibrator)context.getSystemService(Context.VIBRATOR_SERVICE);
+
+        // register for WIFI Display intents
+        IntentFilter wifiDisplayFilter = new IntentFilter(ACTION_WIFI_DISPLAY_VIDEO);
+
+        Intent wifidisplayIntent = context.registerReceiver(
+                                      mWifiDisplayReceiver, wifiDisplayFilter);
+
+        mLongPressVibePattern = getLongIntArray(mContext.getResources(),
+                com.android.internal.R.array.config_longPressVibePattern);
+        mVirtualKeyVibePattern = getLongIntArray(mContext.getResources(),
+                com.android.internal.R.array.config_virtualKeyVibePattern);
+        mKeyboardTapVibePattern = getLongIntArray(mContext.getResources(),
+                com.android.internal.R.array.config_keyboardTapVibePattern);
+        mClockTickVibePattern = getLongIntArray(mContext.getResources(),
+                com.android.internal.R.array.config_clockTickVibePattern);
+        mCalendarDateVibePattern = getLongIntArray(mContext.getResources(),
+                com.android.internal.R.array.config_calendarDateVibePattern);
+        mSafeModeDisabledVibePattern = getLongIntArray(mContext.getResources(),
+                com.android.internal.R.array.config_safeModeDisabledVibePattern);
+        mSafeModeEnabledVibePattern = getLongIntArray(mContext.getResources(),
+                com.android.internal.R.array.config_safeModeEnabledVibePattern);
+
+        mScreenshotChordEnabled = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_enableScreenshotChord);
+
+        mGlobalKeyManager = new GlobalKeyManager(mContext);
+
+        // Controls rotation and the like.
+        initializeHdmiState();
+
+        // Match current screen state.
+        if (!mPowerManager.isInteractive()) {
+            goingToSleep(WindowManagerPolicy.OFF_BECAUSE_OF_USER);
+        }
+
+        String deviceKeyHandlerLib = mContext.getResources().getString(
+                com.android.internal.R.string.config_deviceKeyHandlerLib);
+
+        String deviceKeyHandlerClass = mContext.getResources().getString(
+                com.android.internal.R.string.config_deviceKeyHandlerClass);
+
+        if (!deviceKeyHandlerLib.isEmpty() && !deviceKeyHandlerClass.isEmpty()) {
+            DexClassLoader loader =  new DexClassLoader(deviceKeyHandlerLib,
+                    new ContextWrapper(mContext).getCacheDir().getAbsolutePath(),
+                    null,
+                    ClassLoader.getSystemClassLoader());
+            try {
+                Class<?> klass = loader.loadClass(deviceKeyHandlerClass);
+                Constructor<?> constructor = klass.getConstructor(Context.class);
+                mDeviceKeyHandler = (DeviceKeyHandler) constructor.newInstance(
+                        mContext);
+                if(DEBUG) Slog.d(TAG, "Device key handler loaded");
+            } catch (Exception e) {
+                Slog.w(TAG, "Could not instantiate device key handler "
+                        + deviceKeyHandlerClass + " from class "
+                        + deviceKeyHandlerLib, e);
+            }
+        }
+    }
+
+    private void updateKeyAssignments() {
+        int activeHardwareKeys = mDeviceHardwareKeys;
+
+        if (mDevForceNavbar) {
+            activeHardwareKeys = 0;
+        }
+        final boolean hasMenu = (activeHardwareKeys & KEY_MASK_MENU) != 0;
+        final boolean hasHome = (activeHardwareKeys & KEY_MASK_HOME) != 0;
+        final boolean hasAssist = (activeHardwareKeys & KEY_MASK_ASSIST) != 0;
+        final boolean hasAppSwitch = (activeHardwareKeys & KEY_MASK_APP_SWITCH) != 0;
+        final ContentResolver resolver = mContext.getContentResolver();
+
+        // Initialize all assignments to sane defaults.
+        mPressOnMenuBehavior = KEY_ACTION_MENU;
+
+        mLongPressOnMenuBehavior = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_longPressOnMenuBehavior);
+
+        if (mLongPressOnMenuBehavior == KEY_ACTION_NOTHING &&
+                (hasMenu && !hasAssist)) {
+            mLongPressOnMenuBehavior = KEY_ACTION_SEARCH;
+        }
+        mPressOnAssistBehavior = KEY_ACTION_SEARCH;
+        mLongPressOnAssistBehavior = KEY_ACTION_VOICE_SEARCH;
+        mPressOnAppSwitchBehavior = KEY_ACTION_APP_SWITCH;
+        mLongPressOnAppSwitchBehavior = KEY_ACTION_NOTHING;
+
+        mLongPressOnHomeBehavior = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_longPressOnHomeBehavior);
+        if (mLongPressOnHomeBehavior < KEY_ACTION_NOTHING ||
+                mLongPressOnHomeBehavior > KEY_ACTION_SLEEP) {
+            mLongPressOnHomeBehavior = KEY_ACTION_NOTHING;
+        }
+
+        mDoubleTapOnHomeBehavior = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_doubleTapOnHomeBehavior);
+        if (mDoubleTapOnHomeBehavior < KEY_ACTION_NOTHING ||
+                mDoubleTapOnHomeBehavior > KEY_ACTION_SLEEP) {
+            mDoubleTapOnHomeBehavior = KEY_ACTION_NOTHING;
+        }
+
+        boolean hasPermanentMenu = false;
+
+        // Check for custom assignments and whether KEY_ACTION_MENU is assigned.
+        if (hasHome) {
+            mLongPressOnHomeBehavior = Settings.System.getIntForUser(resolver,
+                    Settings.System.KEY_HOME_LONG_PRESS_ACTION,
+                    mLongPressOnHomeBehavior, UserHandle.USER_CURRENT);
+            mDoubleTapOnHomeBehavior = Settings.System.getIntForUser(resolver,
+                    Settings.System.KEY_HOME_DOUBLE_TAP_ACTION,
+                    mDoubleTapOnHomeBehavior, UserHandle.USER_CURRENT);
+
+            hasPermanentMenu = mLongPressOnHomeBehavior == KEY_ACTION_MENU
+                    || mDoubleTapOnHomeBehavior == KEY_ACTION_MENU;
+        }
+        if (hasMenu) {
+            mPressOnMenuBehavior = Settings.System.getIntForUser(resolver,
+                    Settings.System.KEY_MENU_ACTION,
+                    mPressOnMenuBehavior, UserHandle.USER_CURRENT);
+            mLongPressOnMenuBehavior = Settings.System.getIntForUser(resolver,
+                    Settings.System.KEY_MENU_LONG_PRESS_ACTION,
+                    mLongPressOnMenuBehavior, UserHandle.USER_CURRENT);
+
+            hasPermanentMenu |= mPressOnMenuBehavior == KEY_ACTION_MENU
+                    || mLongPressOnMenuBehavior == KEY_ACTION_MENU;
+        }
+        if (hasAssist) {
+            mPressOnAssistBehavior = Settings.System.getIntForUser(resolver,
+                    Settings.System.KEY_ASSIST_ACTION,
+                    mPressOnAssistBehavior, UserHandle.USER_CURRENT);
+            mLongPressOnAssistBehavior = Settings.System.getIntForUser(resolver,
+                    Settings.System.KEY_ASSIST_LONG_PRESS_ACTION,
+                    mLongPressOnAssistBehavior, UserHandle.USER_CURRENT);
+
+            hasPermanentMenu |= mPressOnAssistBehavior == KEY_ACTION_MENU
+                    || mLongPressOnAssistBehavior == KEY_ACTION_MENU;
+        }
+        if (hasAppSwitch) {
+            mPressOnAppSwitchBehavior = Settings.System.getIntForUser(resolver,
+                    Settings.System.KEY_APP_SWITCH_ACTION,
+                    mPressOnAppSwitchBehavior, UserHandle.USER_CURRENT);
+            mLongPressOnAppSwitchBehavior = Settings.System.getIntForUser(resolver,
+                    Settings.System.KEY_APP_SWITCH_LONG_PRESS_ACTION,
+                    mLongPressOnAppSwitchBehavior, UserHandle.USER_CURRENT);
+
+            hasPermanentMenu |= mPressOnAppSwitchBehavior == KEY_ACTION_MENU
+                    || mLongPressOnAppSwitchBehavior == KEY_ACTION_MENU;
+        }
+
+        mHasPermanentMenuKey = hasPermanentMenu;
+    }
+
+    @Override
+    public void setInitialDisplaySize(Display display, int width, int height, int density) {
+        // This method might be called before the policy has been fully initialized
+        // or for other displays we don't care about.
+        if (mContext == null || display.getDisplayId() != Display.DEFAULT_DISPLAY) {
+            return;
+        }
+        mDisplay = display;
+        mPanelOrientation = SystemProperties.getInt("persist.panel.orientation", 0) / 90;
+
+        final Resources res = mContext.getResources();
+        int shortSize, longSize;
+        if (width > height) {
+            shortSize = height;
+            longSize = width;
+            mLandscapeRotation = Surface.ROTATION_0;
+            mSeascapeRotation = Surface.ROTATION_180;
+            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
+                mPortraitRotation = Surface.ROTATION_90;
+                mUpsideDownRotation = Surface.ROTATION_270;
+            } else {
+                mPortraitRotation = Surface.ROTATION_270;
+                mUpsideDownRotation = Surface.ROTATION_90;
+            }
+        } else {
+            shortSize = width;
+            longSize = height;
+            mPortraitRotation = Surface.ROTATION_0;
+            mUpsideDownRotation = Surface.ROTATION_180;
+            if (res.getBoolean(com.android.internal.R.bool.config_reverseDefaultRotation)) {
+                mLandscapeRotation = Surface.ROTATION_270;
+                mSeascapeRotation = Surface.ROTATION_90;
+            } else {
+                mLandscapeRotation = Surface.ROTATION_90;
+                mSeascapeRotation = Surface.ROTATION_270;
+            }
+        }
+
+        mStatusBarHeight =
+                res.getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
+
+        // Height of the navigation bar when presented horizontally at bottom
+        mNavigationBarHeightForRotation[mPortraitRotation] =
+        mNavigationBarHeightForRotation[mUpsideDownRotation] =
+                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_height);
+        mNavigationBarHeightForRotation[mLandscapeRotation] =
+        mNavigationBarHeightForRotation[mSeascapeRotation] = res.getDimensionPixelSize(
+                com.android.internal.R.dimen.navigation_bar_height_landscape);
+
+        // Width of the navigation bar when presented vertically along one side
+        mNavigationBarWidthForRotation[mPortraitRotation] =
+        mNavigationBarWidthForRotation[mUpsideDownRotation] =
+        mNavigationBarWidthForRotation[mLandscapeRotation] =
+        mNavigationBarWidthForRotation[mSeascapeRotation] =
+                res.getDimensionPixelSize(com.android.internal.R.dimen.navigation_bar_width);
+
+        // SystemUI (status bar) layout policy
+        int shortSizeDp = shortSize * DisplayMetrics.DENSITY_DEFAULT / density;
+        int longSizeDp = longSize * DisplayMetrics.DENSITY_DEFAULT / density;
+
+        // Allow the navigation bar to move on non-square small devices (phones).
+        mNavigationBarCanMove = width != height && shortSizeDp < 600;
+
+        mHasNavigationBar = res.getBoolean(com.android.internal.R.bool.config_showNavigationBar);
+        // Allow a system property to override this. Used by the emulator.
+        // See also hasNavigationBar().
+        String navBarOverride = SystemProperties.get("qemu.hw.mainkeys");
+        if ("1".equals(navBarOverride)) {
+            mHasNavigationBar = false;
+        } else if ("0".equals(navBarOverride)) {
+            mHasNavigationBar = true;
+        }
+
+        // For demo purposes, allow the rotation of the HDMI display to be controlled.
+        // By default, HDMI locks rotation to landscape.
+        if ("portrait".equals(SystemProperties.get("persist.demo.hdmirotation"))) {
+            mDemoHdmiRotation = mPortraitRotation;
+        } else {
+            mDemoHdmiRotation = mLandscapeRotation;
+        }
+        mDemoHdmiRotationLock = SystemProperties.getBoolean("persist.demo.hdmirotationlock", false);
+
+        // For demo purposes, allow the rotation of the remote display to be controlled.
+        // By default, remote display locks rotation to landscape.
+        if ("portrait".equals(SystemProperties.get("persist.demo.remoterotation"))) {
+            mDemoRotation = mPortraitRotation;
+        } else {
+            mDemoRotation = mLandscapeRotation;
+        }
+        mDemoRotationLock = SystemProperties.getBoolean(
+                "persist.demo.rotationlock", false);
+
+        // Only force the default orientation if the screen is xlarge, at least 960dp x 720dp, per
+        // http://developer.android.com/guide/practices/screens_support.html#range
+        mForceDefaultOrientation = longSizeDp >= 960 && shortSizeDp >= 720 &&
+                res.getBoolean(com.android.internal.R.bool.config_forceDefaultOrientation) &&
+                // For debug purposes the next line turns this feature off with:
+                // $ adb shell setprop config.override_forced_orient true
+                // $ adb shell wm size reset
+                !"true".equals(SystemProperties.get("config.override_forced_orient"));
+    }
+
+    /**
+     * @return whether the navigation bar can be hidden, e.g. the device has a
+     *         navigation bar and touch exploration is not enabled
+     */
+    private boolean canHideNavigationBar() {
+        return hasNavigationBar()
+                && !mAccessibilityManager.isTouchExplorationEnabled();
+    }
+
+    @Override
+    public boolean isDefaultOrientationForced() {
+        return mForceDefaultOrientation;
+    }
+
+    @Override
+    public void setDisplayOverscan(Display display, int left, int top, int right, int bottom) {
+        if (display.getDisplayId() == Display.DEFAULT_DISPLAY) {
+            mOverscanLeft = left;
+            mOverscanTop = top;
+            mOverscanRight = right;
+            mOverscanBottom = bottom;
+        }
+    }
+
+    public void updateSettings() {
+        ContentResolver resolver = mContext.getContentResolver();
+        boolean updateRotation = false;
+        int mDeviceHardwareWakeKeys = mContext.getResources().getInteger(
+                com.android.internal.R.integer.config_deviceHardwareWakeKeys);
+        synchronized (mLock) {
+            mEndcallBehavior = Settings.System.getIntForUser(resolver,
+                    Settings.System.END_BUTTON_BEHAVIOR,
+                    Settings.System.END_BUTTON_BEHAVIOR_DEFAULT,
+                    UserHandle.USER_CURRENT);
+            mIncallPowerBehavior = Settings.Secure.getIntForUser(resolver,
+                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
+                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT,
+                    UserHandle.USER_CURRENT);
+            mRingHomeBehavior = Settings.Secure.getIntForUser(resolver,
+                    Settings.Secure.RING_HOME_BUTTON_BEHAVIOR,
+                    Settings.Secure.RING_HOME_BUTTON_BEHAVIOR_DEFAULT,
+                    UserHandle.USER_CURRENT);
+            mHomeWakeScreen = (Settings.System.getIntForUser(resolver,
+                    Settings.System.HOME_WAKE_SCREEN, 1, UserHandle.USER_CURRENT) == 1) &&
+                    ((mDeviceHardwareWakeKeys & KEY_MASK_HOME) != 0);
+            mBackWakeScreen = (Settings.System.getIntForUser(resolver,
+                    Settings.System.BACK_WAKE_SCREEN, 0, UserHandle.USER_CURRENT) == 1) &&
+                    ((mDeviceHardwareWakeKeys & KEY_MASK_BACK) != 0);
+            mMenuWakeScreen = (Settings.System.getIntForUser(resolver,
+                    Settings.System.MENU_WAKE_SCREEN, 0, UserHandle.USER_CURRENT) == 1) &&
+                    ((mDeviceHardwareWakeKeys & KEY_MASK_MENU) != 0);
+            mAssistWakeScreen = (Settings.System.getIntForUser(resolver,
+                    Settings.System.ASSIST_WAKE_SCREEN, 0, UserHandle.USER_CURRENT) == 1) &&
+                    ((mDeviceHardwareWakeKeys & KEY_MASK_ASSIST) != 0);
+            mAppSwitchWakeScreen = (Settings.System.getIntForUser(resolver,
+                    Settings.System.APP_SWITCH_WAKE_SCREEN, 0, UserHandle.USER_CURRENT) == 1) &&
+                    ((mDeviceHardwareWakeKeys & KEY_MASK_APP_SWITCH) != 0);
+            mVolumeWakeScreen = (Settings.System.getIntForUser(resolver,
+                    Settings.System.VOLUME_WAKE_SCREEN, 0, UserHandle.USER_CURRENT) == 1) &&
+                    ((mDeviceHardwareWakeKeys & KEY_MASK_VOLUME) != 0);
+            mVolBtnMusicControls = (Settings.System.getIntForUser(resolver,
+                    Settings.System.VOLBTN_MUSIC_CONTROLS, 1, UserHandle.USER_CURRENT) == 1);
+
+            // Configure wake gesture.
+            boolean wakeGestureEnabledSetting = Settings.Secure.getIntForUser(resolver,
+                    Settings.Secure.WAKE_GESTURE_ENABLED, 0,
+                    UserHandle.USER_CURRENT) != 0;
+            if (mWakeGestureEnabledSetting != wakeGestureEnabledSetting) {
+                mWakeGestureEnabledSetting = wakeGestureEnabledSetting;
+                updateWakeGestureListenerLp();
+            }
+
+            final boolean useEdgeService = Settings.System.getIntForUser(resolver,
+                    Settings.System.USE_EDGE_SERVICE_FOR_GESTURES, 1, UserHandle.USER_CURRENT) == 1;
+            if (useEdgeService ^ mUsingEdgeGestureServiceForGestures && mSystemReady) {
+                if (!mUsingEdgeGestureServiceForGestures && useEdgeService) {
+                    mUsingEdgeGestureServiceForGestures = true;
+                    mWindowManagerFuncs.unregisterPointerEventListener(mSystemGestures);
+                } else if (mUsingEdgeGestureServiceForGestures && !useEdgeService) {
+                    mUsingEdgeGestureServiceForGestures = false;
+                    mWindowManagerFuncs.registerPointerEventListener(mSystemGestures);
+                }
+                updateEdgeGestureListenerState();
+            }
+
+            boolean devForceNavbar = Settings.Secure.getIntForUser(resolver,
+                    Settings.Secure.DEV_FORCE_SHOW_NAVBAR, 0, UserHandle.USER_CURRENT) == 1;
+            if (devForceNavbar != mDevForceNavbar) {
+                mDevForceNavbar = devForceNavbar;
+            }
+
+            mNavigationBarLeftInLandscape = Settings.System.getIntForUser(resolver,
+                    Settings.System.NAVBAR_LEFT_IN_LANDSCAPE, 0, UserHandle.USER_CURRENT) == 1;
+
+            updateKeyAssignments();
+
+            // Configure rotation lock.
+            int userRotation = Settings.System.getIntForUser(resolver,
+                    Settings.System.USER_ROTATION, Surface.ROTATION_0,
+                    UserHandle.USER_CURRENT);
+            if (mUserRotation != userRotation) {
+                mUserRotation = userRotation;
+                updateRotation = true;
+            }
+            int userRotationMode = Settings.System.getIntForUser(resolver,
+                    Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
+                            WindowManagerPolicy.USER_ROTATION_FREE :
+                                    WindowManagerPolicy.USER_ROTATION_LOCKED;
+            if (mUserRotationMode != userRotationMode) {
+                mUserRotationMode = userRotationMode;
+                updateRotation = true;
+                updateOrientationListenerLp();
+            }
+
+            mUserRotationAngles = Settings.System.getInt(resolver,
+                    Settings.System.ACCELEROMETER_ROTATION_ANGLES, -1);
+
+            if (mSystemReady) {
+                int pointerLocation = Settings.System.getIntForUser(resolver,
+                        Settings.System.POINTER_LOCATION, 0, UserHandle.USER_CURRENT);
+                if (mPointerLocationMode != pointerLocation) {
+                    mPointerLocationMode = pointerLocation;
+                    mHandler.sendEmptyMessage(pointerLocation != 0 ?
+                            MSG_ENABLE_POINTER_LOCATION : MSG_DISABLE_POINTER_LOCATION);
+                }
+            }
+            // use screen off timeout setting as the timeout for the lockscreen
+            mLockScreenTimeout = Settings.System.getIntForUser(resolver,
+                    Settings.System.SCREEN_OFF_TIMEOUT, 0, UserHandle.USER_CURRENT);
+            String imId = Settings.Secure.getStringForUser(resolver,
+                    Settings.Secure.DEFAULT_INPUT_METHOD, UserHandle.USER_CURRENT);
+            boolean hasSoftInput = imId != null && imId.length() > 0;
+            if (mHasSoftInput != hasSoftInput) {
+                mHasSoftInput = hasSoftInput;
+                updateRotation = true;
+            }
+            if (mImmersiveModeConfirmation != null) {
+                mImmersiveModeConfirmation.loadSetting(mCurrentUserId);
+            }
+
+            WindowManagerPolicyControl.reloadFromSetting(mContext);
+        }
+        if (updateRotation) {
+            updateRotation(true);
+        }
+    }
+
+    private void updateWakeGestureListenerLp() {
+        if (shouldEnableWakeGestureLp()) {
+            mWakeGestureListener.requestWakeUpTrigger();
+        } else {
+            mWakeGestureListener.cancelWakeUpTrigger();
+        }
+    }
+
+    private boolean shouldEnableWakeGestureLp() {
+        return mWakeGestureEnabledSetting && !mAwake
+                && (!mLidControlsSleep || mLidState != LID_CLOSED)
+                && mWakeGestureListener.isSupported();
+    }
+
+    private void enablePointerLocation() {
+        if (mPointerLocationView == null) {
+            mPointerLocationView = new PointerLocationView(mContext);
+            mPointerLocationView.setPrintCoords(false);
+            WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
+                    WindowManager.LayoutParams.MATCH_PARENT,
+                    WindowManager.LayoutParams.MATCH_PARENT);
+            lp.type = WindowManager.LayoutParams.TYPE_SECURE_SYSTEM_OVERLAY;
+            lp.flags = WindowManager.LayoutParams.FLAG_FULLSCREEN
+                    | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE
+                    | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
+                    | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
+            if (ActivityManager.isHighEndGfx()) {
+                lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED;
+                lp.privateFlags |=
+                        WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_HARDWARE_ACCELERATED;
+            }
+            lp.format = PixelFormat.TRANSLUCENT;
+            lp.setTitle("PointerLocation");
+            WindowManager wm = (WindowManager)
+                    mContext.getSystemService(Context.WINDOW_SERVICE);
+            lp.inputFeatures |= WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL;
+            wm.addView(mPointerLocationView, lp);
+            mWindowManagerFuncs.registerPointerEventListener(mPointerLocationView);
+        }
+    }
+
+    private void disablePointerLocation() {
+        if (mPointerLocationView != null) {
+            mWindowManagerFuncs.unregisterPointerEventListener(mPointerLocationView);
+            WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
+            wm.removeView(mPointerLocationView);
+            mPointerLocationView = null;
+        }
+    }
+
+    private int readRotation(int resID) {
+        try {
+            int rotation = mContext.getResources().getInteger(resID);
+            switch (rotation) {
+                case 0:
+                    return Surface.ROTATION_0;
+                case 90:
+                    return Surface.ROTATION_90;
+                case 180:
+                    return Surface.ROTATION_180;
+                case 270:
+                    return Surface.ROTATION_270;
+            }
+        } catch (Resources.NotFoundException e) {
+            // fall through
+        }
+        return -1;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public int checkAddPermission(WindowManager.LayoutParams attrs, int[] outAppOp) {
+        int type = attrs.type;
+
+        outAppOp[0] = AppOpsManager.OP_NONE;
+
+        if (!((type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW)
+                || (type >= FIRST_SUB_WINDOW && type <= LAST_SUB_WINDOW)
+                || (type >= FIRST_SYSTEM_WINDOW && type <= LAST_SYSTEM_WINDOW))) {
+            return WindowManagerGlobal.ADD_INVALID_TYPE;
+        }
+
+        if (type < FIRST_SYSTEM_WINDOW || type > LAST_SYSTEM_WINDOW) {
+            // Window manager will make sure these are okay.
+            return WindowManagerGlobal.ADD_OKAY;
+        }
+        String permission = null;
+        switch (type) {
+            case TYPE_TOAST:
+                // XXX right now the app process has complete control over
+                // this...  should introduce a token to let the system
+                // monitor/control what they are doing.
+                outAppOp[0] = AppOpsManager.OP_TOAST_WINDOW;
+                break;
+            case TYPE_DREAM:
+            case TYPE_INPUT_METHOD:
+            case TYPE_WALLPAPER:
+            case TYPE_PRIVATE_PRESENTATION:
+            case TYPE_VOICE_INTERACTION:
+            case TYPE_ACCESSIBILITY_OVERLAY:
+                // The window manager will check these.
+                break;
+            case TYPE_PHONE:
+            case TYPE_PRIORITY_PHONE:
+            case TYPE_SYSTEM_ALERT:
+            case TYPE_SYSTEM_ERROR:
+            case TYPE_SYSTEM_OVERLAY:
+                permission = android.Manifest.permission.SYSTEM_ALERT_WINDOW;
+                outAppOp[0] = AppOpsManager.OP_SYSTEM_ALERT_WINDOW;
+                break;
+            default:
+                permission = android.Manifest.permission.INTERNAL_SYSTEM_WINDOW;
+        }
+        if (permission != null) {
+            if (mContext.checkCallingOrSelfPermission(permission)
+                    != PackageManager.PERMISSION_GRANTED) {
+                return WindowManagerGlobal.ADD_PERMISSION_DENIED;
+            }
+        }
+        return WindowManagerGlobal.ADD_OKAY;
+    }
+
+    @Override
+    public boolean checkShowToOwnerOnly(WindowManager.LayoutParams attrs) {
+
+        // If this switch statement is modified, modify the comment in the declarations of
+        // the type in {@link WindowManager.LayoutParams} as well.
+        switch (attrs.type) {
+            default:
+                // These are the windows that by default are shown only to the user that created
+                // them. If this needs to be overridden, set
+                // {@link WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS} in
+                // {@link WindowManager.LayoutParams}. Note that permission
+                // {@link android.Manifest.permission.INTERNAL_SYSTEM_WINDOW} is required as well.
+                if ((attrs.privateFlags & PRIVATE_FLAG_SHOW_FOR_ALL_USERS) == 0) {
+                    return true;
+                }
+                break;
+
+            // These are the windows that by default are shown to all users. However, to
+            // protect against spoofing, check permissions below.
+            case TYPE_APPLICATION_STARTING:
+            case TYPE_BOOT_PROGRESS:
+            case TYPE_DISPLAY_OVERLAY:
+            case TYPE_HIDDEN_NAV_CONSUMER:
+            case TYPE_KEYGUARD_SCRIM:
+            case TYPE_KEYGUARD_DIALOG:
+            case TYPE_MAGNIFICATION_OVERLAY:
+            case TYPE_NAVIGATION_BAR:
+            case TYPE_NAVIGATION_BAR_PANEL:
+            case TYPE_PHONE:
+            case TYPE_POINTER:
+            case TYPE_PRIORITY_PHONE:
+            case TYPE_SEARCH_BAR:
+            case TYPE_STATUS_BAR:
+            case TYPE_STATUS_BAR_PANEL:
+            case TYPE_STATUS_BAR_SUB_PANEL:
+            case TYPE_SYSTEM_DIALOG:
+            case TYPE_UNIVERSE_BACKGROUND:
+            case TYPE_VOLUME_OVERLAY:
+            case TYPE_PRIVATE_PRESENTATION:
+                break;
+        }
+
+        // Check if third party app has set window to system window type.
+        return mContext.checkCallingOrSelfPermission(
+                android.Manifest.permission.INTERNAL_SYSTEM_WINDOW)
+                        != PackageManager.PERMISSION_GRANTED;
+    }
+
+    @Override
+    public void adjustWindowParamsLw(WindowManager.LayoutParams attrs) {
+        switch (attrs.type) {
+            case TYPE_SYSTEM_OVERLAY:
+            case TYPE_SECURE_SYSTEM_OVERLAY:
+                // These types of windows can't receive input events.
+                attrs.flags |= WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
+                        | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
+                attrs.flags &= ~WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH;
+                break;
+            case TYPE_STATUS_BAR:
+
+                // If the Keyguard is in a hidden state (occluded by another window), we force to
+                // remove the wallpaper and keyguard flag so that any change in-flight after setting
+                // the keyguard as occluded wouldn't set these flags again.
+                // See {@link #processKeyguardSetHiddenResultLw}.
+                if (mKeyguardHidden) {
+                    attrs.flags &= ~WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
+                    attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
+                }
+                break;
+        }
+
+        if (attrs.type != TYPE_STATUS_BAR) {
+            // The status bar is the only window allowed to exhibit keyguard behavior.
+            attrs.privateFlags &= ~WindowManager.LayoutParams.PRIVATE_FLAG_KEYGUARD;
+        }
+
+        if (ActivityManager.isHighEndGfx()
+                && (attrs.flags & FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) != 0) {
+            attrs.subtreeSystemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                    | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION;
+        }
+    }
+
+    void readLidState() {
+        mLidState = mWindowManagerFuncs.getLidState();
+    }
+
+    private void readCameraLensCoverState() {
+        mCameraLensCoverState = mWindowManagerFuncs.getCameraLensCoverState();
+    }
+
+    private boolean isHidden(int accessibilityMode) {
+        switch (accessibilityMode) {
+            case 1:
+                return mLidState == LID_CLOSED;
+            case 2:
+                return mLidState == LID_OPEN;
+            default:
+                return false;
+        }
+    }
+
+    private boolean isBuiltInKeyboardVisible() {
+        return mHaveBuiltInKeyboard && !isHidden(mLidKeyboardAccessibility);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void adjustConfigurationLw(Configuration config, int keyboardPresence,
+            int navigationPresence) {
+        mHaveBuiltInKeyboard = (keyboardPresence & PRESENCE_INTERNAL) != 0;
+
+        readLidState();
+        applyLidSwitchState();
+
+        if (config.keyboard == Configuration.KEYBOARD_NOKEYS
+                || (keyboardPresence == PRESENCE_INTERNAL
+                        && isHidden(mLidKeyboardAccessibility))) {
+            config.hardKeyboardHidden = Configuration.HARDKEYBOARDHIDDEN_YES;
+            if (!mHasSoftInput) {
+                config.keyboardHidden = Configuration.KEYBOARDHIDDEN_YES;
+            }
+        }
+
+        if (config.navigation == Configuration.NAVIGATION_NONAV
+                || (navigationPresence == PRESENCE_INTERNAL
+                        && isHidden(mLidNavigationAccessibility))) {
+            config.navigationHidden = Configuration.NAVIGATIONHIDDEN_YES;
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public int windowTypeToLayerLw(int type) {
+        if (type >= FIRST_APPLICATION_WINDOW && type <= LAST_APPLICATION_WINDOW) {
+            return 2;
+        }
+        switch (type) {
+        case TYPE_UNIVERSE_BACKGROUND:
+            return 1;
+        case TYPE_PRIVATE_PRESENTATION:
+            return 2;
+        case TYPE_WALLPAPER:
+            // wallpaper is at the bottom, though the window manager may move it.
+            return 2;
+        case TYPE_PHONE:
+            return 3;
+        case TYPE_SEARCH_BAR:
+            return 4;
+        case TYPE_VOICE_INTERACTION:
+            // voice interaction layer is almost immediately above apps.
+            return 5;
+        case TYPE_SYSTEM_DIALOG:
+            return 6;
+        case TYPE_TOAST:
+            // toasts and the plugged-in battery thing
+            return 7;
+        case TYPE_PRIORITY_PHONE:
+            // SIM errors and unlock.  Not sure if this really should be in a high layer.
+            return 8;
+        case TYPE_DREAM:
+            // used for Dreams (screensavers with TYPE_DREAM windows)
+            return 9;
+        case TYPE_SYSTEM_ALERT:
+            // like the ANR / app crashed dialogs
+            return 10;
+        case TYPE_INPUT_METHOD:
+            // on-screen keyboards and other such input method user interfaces go here.
+            return 11;
+        case TYPE_INPUT_METHOD_DIALOG:
+            // on-screen keyboards and other such input method user interfaces go here.
+            return 12;
+        case TYPE_KEYGUARD_SCRIM:
+            // the safety window that shows behind keyguard while keyguard is starting
+            return 13;
+        case TYPE_STATUS_BAR_SUB_PANEL:
+            return 14;
+        case TYPE_STATUS_BAR:
+            return 15;
+        case TYPE_STATUS_BAR_PANEL:
+            return 16;
+        case TYPE_KEYGUARD_DIALOG:
+            return 17;
+        case TYPE_VOLUME_OVERLAY:
+            // the on-screen volume indicator and controller shown when the user
+            // changes the device volume
+            return 18;
+        case TYPE_SYSTEM_OVERLAY:
+            // the on-screen volume indicator and controller shown when the user
+            // changes the device volume
+            return 19;
+        case TYPE_NAVIGATION_BAR:
+            // the navigation bar, if available, shows atop most things
+            return 20;
+        case TYPE_NAVIGATION_BAR_PANEL:
+            // some panels (e.g. search) need to show on top of the navigation bar
+            return 21;
+        case TYPE_SYSTEM_ERROR:
+            // system-level error dialogs
+            return 22;
+        case TYPE_MAGNIFICATION_OVERLAY:
+            // used to highlight the magnified portion of a display
+            return 23;
+        case TYPE_DISPLAY_OVERLAY:
+            // used to simulate secondary display devices
+            return 24;
+        case TYPE_DRAG:
+            // the drag layer: input for drag-and-drop is associated with this window,
+            // which sits above all other focusable windows
+            return 25;
+        case TYPE_ACCESSIBILITY_OVERLAY:
+            // overlay put by accessibility services to intercept user interaction
+            return 26;
+        case TYPE_SECURE_SYSTEM_OVERLAY:
+            return 27;
+        case TYPE_BOOT_PROGRESS:
+            return 28;
+        case TYPE_POINTER:
+            // the (mouse) pointer layer
+            return 29;
+        case TYPE_HIDDEN_NAV_CONSUMER:
+            return 30;
+        }
+        Log.e(TAG, "Unknown window type: " + type);
+        return 2;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public int subWindowTypeToLayerLw(int type) {
+        switch (type) {
+        case TYPE_APPLICATION_PANEL:
+        case TYPE_APPLICATION_ATTACHED_DIALOG:
+            return APPLICATION_PANEL_SUBLAYER;
+        case TYPE_APPLICATION_MEDIA:
+            return APPLICATION_MEDIA_SUBLAYER;
+        case TYPE_APPLICATION_MEDIA_OVERLAY:
+            return APPLICATION_MEDIA_OVERLAY_SUBLAYER;
+        case TYPE_APPLICATION_SUB_PANEL:
+            return APPLICATION_SUB_PANEL_SUBLAYER;
+        }
+        Log.e(TAG, "Unknown sub-window type: " + type);
+        return 0;
+    }
+
+    @Override
+    public int getMaxWallpaperLayer() {
+        return windowTypeToLayerLw(TYPE_STATUS_BAR);
+    }
+
+    @Override
+    public int getAboveUniverseLayer() {
+        return windowTypeToLayerLw(TYPE_SYSTEM_ERROR);
+    }
+
+    @Override
+    public int getNonDecorDisplayWidth(int fullWidth, int fullHeight, int rotation) {
+        if (hasNavigationBar()) {
+            // For a basic navigation bar, when we are in landscape mode we place
+            // the navigation bar to the side.
+            if (mNavigationBarCanMove && fullWidth > fullHeight) {
+                return fullWidth - mNavigationBarWidthForRotation[rotation];
+            }
+        }
+        return fullWidth;
+    }
+
+    @Override
+    public int getNonDecorDisplayHeight(int fullWidth, int fullHeight, int rotation) {
+        if (hasNavigationBar()) {
+            // For a basic navigation bar, when we are in portrait mode we place
+            // the navigation bar to the bottom.
+            if (!mNavigationBarCanMove || fullWidth < fullHeight) {
+                return fullHeight - mNavigationBarHeightForRotation[rotation];
+            }
+        }
+        return fullHeight;
+    }
+
+    @Override
+    public int getConfigDisplayWidth(int fullWidth, int fullHeight, int rotation) {
+        return getNonDecorDisplayWidth(fullWidth, fullHeight, rotation);
+    }
+
+    @Override
+    public int getConfigDisplayHeight(int fullWidth, int fullHeight, int rotation) {
+        // There is a separate status bar at the top of the display.  We don't count that as part
+        // of the fixed decor, since it can hide; however, for purposes of configurations,
+        // we do want to exclude it since applications can't generally use that part
+        // of the screen.
+        return getNonDecorDisplayHeight(fullWidth, fullHeight, rotation) - mStatusBarHeight;
+    }
+
+    @Override
+    public boolean isForceHiding(WindowManager.LayoutParams attrs) {
+        return (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 ||
+                (isKeyguardHostWindow(attrs) &&
+                        (mKeyguardDelegate != null && mKeyguardDelegate.isShowing())) ||
+                (attrs.type == TYPE_KEYGUARD_SCRIM);
+    }
+
+    @Override
+    public boolean isKeyguardHostWindow(WindowManager.LayoutParams attrs) {
+        return attrs.type == TYPE_STATUS_BAR;
+    }
+
+    @Override
+    public boolean canBeForceHidden(WindowState win, WindowManager.LayoutParams attrs) {
+        switch (attrs.type) {
+            case TYPE_STATUS_BAR:
+            case TYPE_NAVIGATION_BAR:
+            case TYPE_WALLPAPER:
+            case TYPE_DREAM:
+            case TYPE_UNIVERSE_BACKGROUND:
+            case TYPE_KEYGUARD_SCRIM:
+                return false;
+            default:
+                return true;
+        }
+    }
+
+    @Override
+    public WindowState getWinShowWhenLockedLw() {
+        return mWinShowWhenLocked;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public View addStartingWindow(IBinder appToken, String packageName, int theme,
+            CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
+            int icon, int logo, int windowFlags) {
+        if (!SHOW_STARTING_ANIMATIONS) {
+            return null;
+        }
+        if (packageName == null) {
+            return null;
+        }
+
+        WindowManager wm = null;
+        View view = null;
+
+        try {
+            Context context = mContext;
+            if (DEBUG_STARTING_WINDOW) Slog.d(TAG, "addStartingWindow " + packageName
+                    + ": nonLocalizedLabel=" + nonLocalizedLabel + " theme="
+                    + Integer.toHexString(theme));
+            if (theme != context.getThemeResId() || labelRes != 0) {
+                try {
+                    context = context.createPackageContext(packageName, 0);
+                    context.setTheme(theme);
+                } catch (PackageManager.NameNotFoundException e) {
+                    // Ignore
+                }
+            }
+
+            Window win = PolicyManager.makeNewWindow(context);
+            final TypedArray ta = win.getWindowStyle();
+            if (ta.getBoolean(
+                        com.android.internal.R.styleable.Window_windowDisablePreview, false)
+                || ta.getBoolean(
+                        com.android.internal.R.styleable.Window_windowShowWallpaper,false)) {
+                return null;
+            }
+
+            Resources r = context.getResources();
+            win.setTitle(r.getText(labelRes, nonLocalizedLabel));
+
+            win.setType(
+                WindowManager.LayoutParams.TYPE_APPLICATION_STARTING);
+            // Force the window flags: this is a fake window, so it is not really
+            // touchable or focusable by the user.  We also add in the ALT_FOCUSABLE_IM
+            // flag because we do know that the next window will take input
+            // focus, so we want to get the IME window up on top of us right away.
+            win.setFlags(
+                windowFlags|
+                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
+                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
+                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
+                windowFlags|
+                WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE|
+                WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE|
+                WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
+
+            win.setDefaultIcon(icon);
+            win.setDefaultLogo(logo);
+
+            win.setLayout(WindowManager.LayoutParams.MATCH_PARENT,
+                    WindowManager.LayoutParams.MATCH_PARENT);
+
+            final WindowManager.LayoutParams params = win.getAttributes();
+            params.token = appToken;
+            params.packageName = packageName;
+            params.windowAnimations = win.getWindowStyle().getResourceId(
+                    com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
+            params.privateFlags |=
+                    WindowManager.LayoutParams.PRIVATE_FLAG_FAKE_HARDWARE_ACCELERATED;
+            params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SHOW_FOR_ALL_USERS;
+
+            if (!compatInfo.supportsScreen()) {
+                params.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_COMPATIBLE_WINDOW;
+            }
+
+            params.setTitle("Starting " + packageName);
+
+            wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE);
+            view = win.getDecorView();
+
+            if (win.isFloating()) {
+                // Whoops, there is no way to display an animation/preview
+                // of such a thing!  After all that work...  let's skip it.
+                // (Note that we must do this here because it is in
+                // getDecorView() where the theme is evaluated...  maybe
+                // we should peek the floating attribute from the theme
+                // earlier.)
+                return null;
+            }
+
+            if (DEBUG_STARTING_WINDOW) Slog.d(
+                TAG, "Adding starting window for " + packageName
+                + " / " + appToken + ": "
+                + (view.getParent() != null ? view : null));
+
+            wm.addView(view, params);
+
+            // Only return the view if it was successfully added to the
+            // window manager... which we can tell by it having a parent.
+            return view.getParent() != null ? view : null;
+        } catch (WindowManager.BadTokenException e) {
+            // ignore
+            Log.w(TAG, appToken + " already running, starting window not displayed. " +
+                    e.getMessage());
+        } catch (RuntimeException e) {
+            // don't crash if something else bad happens, for example a
+            // failure loading resources because we are loading from an app
+            // on external storage that has been unmounted.
+            Log.w(TAG, appToken + " failed creating starting window", e);
+        } finally {
+            if (view != null && view.getParent() == null) {
+                Log.w(TAG, "view not successfully added to wm, removing view");
+                wm.removeViewImmediate(view);
+            }
+        }
+
+        return null;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void removeStartingWindow(IBinder appToken, View window) {
+        if (DEBUG_STARTING_WINDOW) Slog.v(TAG, "Removing starting window for " + appToken + ": "
+                + window + " Callers=" + Debug.getCallers(4));
+
+        if (window != null) {
+            WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE);
+            wm.removeView(window);
+        }
+    }
+
+    /**
+     * Preflight adding a window to the system.
+     *
+     * Currently enforces that three window types are singletons:
+     * <ul>
+     * <li>STATUS_BAR_TYPE</li>
+     * <li>KEYGUARD_TYPE</li>
+     * </ul>
+     *
+     * @param win The window to be added
+     * @param attrs Information about the window to be added
+     *
+     * @return If ok, WindowManagerImpl.ADD_OKAY.  If too many singletons,
+     * WindowManagerImpl.ADD_MULTIPLE_SINGLETON
+     */
+    @Override
+    public int prepareAddWindowLw(WindowState win, WindowManager.LayoutParams attrs) {
+        switch (attrs.type) {
+            case TYPE_STATUS_BAR:
+                mContext.enforceCallingOrSelfPermission(
+                        android.Manifest.permission.STATUS_BAR_SERVICE,
+                        "PhoneWindowManager");
+                if (mStatusBar != null) {
+                    if (mStatusBar.isAlive()) {
+                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
+                    }
+                }
+                mStatusBar = win;
+                mStatusBarController.setWindow(win);
+                break;
+            case TYPE_NAVIGATION_BAR:
+                mContext.enforceCallingOrSelfPermission(
+                        android.Manifest.permission.STATUS_BAR_SERVICE,
+                        "PhoneWindowManager");
+                if (mNavigationBar != null) {
+                    if (mNavigationBar.isAlive()) {
+                        return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
+                    }
+                }
+                mNavigationBar = win;
+                mNavigationBarController.setWindow(win);
+                if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
+                break;
+            case TYPE_NAVIGATION_BAR_PANEL:
+                mContext.enforceCallingOrSelfPermission(
+                        android.Manifest.permission.STATUS_BAR_SERVICE,
+                        "PhoneWindowManager");
+                break;
+            case TYPE_STATUS_BAR_PANEL:
+                mContext.enforceCallingOrSelfPermission(
+                        android.Manifest.permission.STATUS_BAR_SERVICE,
+                        "PhoneWindowManager");
+                break;
+            case TYPE_STATUS_BAR_SUB_PANEL:
+                mContext.enforceCallingOrSelfPermission(
+                        android.Manifest.permission.STATUS_BAR_SERVICE,
+                        "PhoneWindowManager");
+                break;
+            case TYPE_KEYGUARD_SCRIM:
+                if (mKeyguardScrim != null) {
+                    return WindowManagerGlobal.ADD_MULTIPLE_SINGLETON;
+                }
+                mKeyguardScrim = win;
+                break;
+        }
+        return WindowManagerGlobal.ADD_OKAY;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void removeWindowLw(WindowState win) {
+        if (mStatusBar == win) {
+            mStatusBar = null;
+            mStatusBarController.setWindow(null);
+            mKeyguardDelegate.showScrim();
+        } else if (mKeyguardScrim == win) {
+            Log.v(TAG, "Removing keyguard scrim");
+            mKeyguardScrim = null;
+        } if (mNavigationBar == win) {
+            mNavigationBar = null;
+            mNavigationBarController.setWindow(null);
+        }
+    }
+
+    static final boolean PRINT_ANIM = false;
+
+    /** {@inheritDoc} */
+    @Override
+    public int selectAnimationLw(WindowState win, int transit) {
+        if (PRINT_ANIM) Log.i(TAG, "selectAnimation in " + win
+              + ": transit=" + transit);
+        if (win == mStatusBar) {
+            boolean isKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
+            if (transit == TRANSIT_EXIT
+                    || transit == TRANSIT_HIDE) {
+                return isKeyguard ? -1 : R.anim.dock_top_exit;
+            } else if (transit == TRANSIT_ENTER
+                    || transit == TRANSIT_SHOW) {
+                return isKeyguard ? -1 : R.anim.dock_top_enter;
+            }
+        } else if (win == mNavigationBar) {
+            // This can be on either the bottom, left, or the right.
+            if (mNavigationBarOnBottom) {
+                if (transit == TRANSIT_EXIT
+                        || transit == TRANSIT_HIDE) {
+                    return R.anim.dock_bottom_exit;
+                } else if (transit == TRANSIT_ENTER
+                        || transit == TRANSIT_SHOW) {
+                    return R.anim.dock_bottom_enter;
+                }
+            } else {
+                if (transit == TRANSIT_EXIT
+                        || transit == TRANSIT_HIDE) {
+                    return mNavigationBarLeftInLandscape
+                            ? R.anim.dock_left_exit : R.anim.dock_right_exit;
+                } else if (transit == TRANSIT_ENTER
+                        || transit == TRANSIT_SHOW) {
+                    return mNavigationBarLeftInLandscape
+                            ? R.anim.dock_left_enter : R.anim.dock_right_enter;
+                }
+            }
+        }
+
+        if (transit == TRANSIT_PREVIEW_DONE) {
+            if (win.hasAppShownWindows()) {
+                if (PRINT_ANIM) Log.i(TAG, "**** STARTING EXIT");
+                return com.android.internal.R.anim.app_starting_exit;
+            }
+        } else if (win.getAttrs().type == TYPE_DREAM && mDreamingLockscreen
+                && transit == TRANSIT_ENTER) {
+            // Special case: we are animating in a dream, while the keyguard
+            // is shown.  We don't want an animation on the dream, because
+            // we need it shown immediately with the keyguard animating away
+            // to reveal it.
+            return -1;
+        }
+
+        return 0;
+    }
+
+    @Override
+    public void selectRotationAnimationLw(int anim[]) {
+        if (PRINT_ANIM) Slog.i(TAG, "selectRotationAnimation mTopFullscreen="
+                + mTopFullscreenOpaqueWindowState + " rotationAnimation="
+                + (mTopFullscreenOpaqueWindowState == null ?
+                        "0" : mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation));
+        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen) {
+            switch (mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation) {
+                case ROTATION_ANIMATION_CROSSFADE:
+                    anim[0] = R.anim.rotation_animation_xfade_exit;
+                    anim[1] = R.anim.rotation_animation_enter;
+                    break;
+                case ROTATION_ANIMATION_JUMPCUT:
+                    anim[0] = R.anim.rotation_animation_jump_exit;
+                    anim[1] = R.anim.rotation_animation_enter;
+                    break;
+                case ROTATION_ANIMATION_ROTATE:
+                default:
+                    anim[0] = anim[1] = 0;
+                    break;
+            }
+        } else {
+            anim[0] = anim[1] = 0;
+        }
+    }
+
+    @Override
+    public boolean validateRotationAnimationLw(int exitAnimId, int enterAnimId,
+            boolean forceDefault) {
+        switch (exitAnimId) {
+            case R.anim.rotation_animation_xfade_exit:
+            case R.anim.rotation_animation_jump_exit:
+                // These are the only cases that matter.
+                if (forceDefault) {
+                    return false;
+                }
+                int anim[] = new int[2];
+                selectRotationAnimationLw(anim);
+                return (exitAnimId == anim[0] && enterAnimId == anim[1]);
+            default:
+                return true;
+        }
+    }
+
+    @Override
+    public Animation createForceHideEnterAnimation(boolean onWallpaper,
+            boolean goingToNotificationShade) {
+        if (goingToNotificationShade) {
+            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_behind_enter_fade_in);
+        }
+
+        AnimationSet set = (AnimationSet) AnimationUtils.loadAnimation(mContext, onWallpaper ?
+                    R.anim.lock_screen_behind_enter_wallpaper :
+                    R.anim.lock_screen_behind_enter);
+
+        // TODO: Use XML interpolators when we have log interpolators available in XML.
+        final List<Animation> animations = set.getAnimations();
+        for (int i = animations.size() - 1; i >= 0; --i) {
+            animations.get(i).setInterpolator(mLogDecelerateInterpolator);
+        }
+
+        return set;
+    }
+
+
+    @Override
+    public Animation createForceHideWallpaperExitAnimation(boolean goingToNotificationShade,
+            boolean keyguardShowingMedia) {
+        if (goingToNotificationShade) {
+            return null;
+        } else if (keyguardShowingMedia) {
+            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit_noop);
+        } else {
+            return AnimationUtils.loadAnimation(mContext, R.anim.lock_screen_wallpaper_exit);
+        }
+    }
+
+    private static void awakenDreams() {
+        IDreamManager dreamManager = getDreamManager();
+        if (dreamManager != null) {
+            try {
+                dreamManager.awaken();
+            } catch (RemoteException e) {
+                // fine, stay asleep then
+            }
+        }
+    }
+
+    static IDreamManager getDreamManager() {
+        return IDreamManager.Stub.asInterface(
+                ServiceManager.checkService(DreamService.DREAM_SERVICE));
+    }
+
+    TelecomManager getTelecommService() {
+        return (TelecomManager) mContext.getSystemService(Context.TELECOM_SERVICE);
+    }
+
+    static IAudioService getAudioService() {
+        IAudioService audioService = IAudioService.Stub.asInterface(
+                ServiceManager.checkService(Context.AUDIO_SERVICE));
+        if (audioService == null) {
+            Log.w(TAG, "Unable to find IAudioService interface.");
+        }
+        return audioService;
+    }
+
+    boolean keyguardOn() {
+        return isKeyguardShowingAndNotOccluded() || inKeyguardRestrictedKeyInputMode();
+    }
+
+    private static final int[] WINDOW_TYPES_WHERE_HOME_DOESNT_WORK = {
+            WindowManager.LayoutParams.TYPE_SYSTEM_ALERT,
+            WindowManager.LayoutParams.TYPE_SYSTEM_ERROR,
+        };
+
+    /** {@inheritDoc} */
+    @Override
+    public long interceptKeyBeforeDispatching(WindowState win, KeyEvent event, int policyFlags) {
+        final boolean keyguardOn = keyguardOn();
+        final int repeatCount = event.getRepeatCount();
+        final int metaState = event.getMetaState();
+        final int flags = event.getFlags();
+        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
+        final boolean canceled = event.isCanceled();
+        final boolean longPress = (flags & KeyEvent.FLAG_LONG_PRESS) != 0;
+        final boolean virtualKey = event.getDeviceId() == KeyCharacterMap.VIRTUAL_KEYBOARD;
+        int keyCode = event.getKeyCode();
+
+        if (DEBUG_INPUT) {
+            Log.d(TAG, "interceptKeyTi keyCode=" + keyCode + " down=" + down + " repeatCount="
+                    + repeatCount + " keyguardOn=" + keyguardOn + " mHomePressed=" + mHomePressed
+                    + " canceled=" + canceled);
+        }
+
+        // If the boot mode is power off alarm, we should not dispatch the several physical key
+        // in power off alarm UI.
+        String isAlarmBoot = Settings.System.getString(mContext.getContentResolver(),
+                POWER_OFF_ALARM_MODE);
+        if (DEBUG_INPUT) { Log.d(TAG, "intercept Dispatching isAlarmBoot = " + isAlarmBoot); }
+
+        if (isAlarmBoot!= null && isAlarmBoot.equals("true") && (keyCode == KeyEvent.KEYCODE_HOME
+                || keyCode == KeyEvent.KEYCODE_SEARCH
+                || keyCode == KeyEvent.KEYCODE_MENU)) {
+            if (isAlarmViewTopActivity()) {
+                return -1;  // ignore the physical key here
+            } else {
+                // Since power off alarm UI is not top activity, we should not ignore physical key
+                // dispatch, even it is still power off alarm mode.
+                Settings.System.putString(mContext.getContentResolver(), POWER_OFF_ALARM_MODE,
+                        "false");
+            }
+        }
+
+        // If we think we might have a volume down & power key chord on the way
+        // but we're not sure, then tell the dispatcher to wait a little while and
+        // try again later before dispatching.
+        if (mScreenshotChordEnabled && (flags & KeyEvent.FLAG_FALLBACK) == 0) {
+            if (mScreenshotChordVolumeDownKeyTriggered && !mScreenshotChordPowerKeyTriggered) {
+                final long now = SystemClock.uptimeMillis();
+                final long timeoutTime = mScreenshotChordVolumeDownKeyTime
+                        + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
+                if (now < timeoutTime) {
+                    return timeoutTime - now;
+                }
+            }
+            if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN
+                    && mScreenshotChordVolumeDownKeyConsumed) {
+                if (!down) {
+                    mScreenshotChordVolumeDownKeyConsumed = false;
+                }
+                return -1;
+            }
+            if (mVolumeUpKeyTriggered && !mPowerKeyTriggered) {
+                final long now = SystemClock.uptimeMillis();
+                final long timeoutTime = mVolumeUpKeyTime + SCREENSHOT_CHORD_DEBOUNCE_DELAY_MILLIS;
+                if (now < timeoutTime) {
+                    return timeoutTime - now;
+                }
+            }
+            if (keyCode == KeyEvent.KEYCODE_VOLUME_UP
+                    && mVolumeUpKeyConsumedByScreenshotChord) {
+                if (!down) {
+                    mVolumeUpKeyConsumedByScreenshotChord = false;
+                }
+                return -1;
+            }
+        }
+
+        // Cancel any pending meta actions if we see any other keys being pressed between the down
+        // of the meta key and its corresponding up.
+        if (mPendingMetaAction && !KeyEvent.isMetaKey(keyCode)) {
+            mPendingMetaAction = false;
+        }
+
+        if (keyCode == KeyEvent.KEYCODE_BACK && !down) {
+            mHandler.removeCallbacks(mBackLongPress);
+        }
+
+        // First we always handle the home key here, so applications
+        // can never break it, although if keyguard is on, we do let
+        // it handle it, because that gives us the correct 5 second
+        // timeout.
+        if (keyCode == KeyEvent.KEYCODE_HOME) {
+
+            // If we have released the home key, and didn't do anything else
+            // while it was pressed, then it is time to go home!
+            if (!down && mHomePressed) {
+                if (mDoubleTapOnHomeBehavior != KEY_ACTION_APP_SWITCH) {
+                    cancelPreloadRecentApps();
+                }
+
+                mHomePressed = false;
+                if (mHomeConsumed) {
+                    mHomeConsumed = false;
+                    return -1;
+                }
+
+                if (canceled) {
+                    Log.i(TAG, "Ignoring HOME; event canceled.");
+                    return -1;
+                }
+
+                // If an incoming call is ringing, HOME is totally disabled.
+                // (The user is already on the InCallUI at this point,
+                // and his ONLY options are to answer or reject the call.)
+                TelecomManager telecomManager = getTelecommService();
+                if (telecomManager != null && telecomManager.isRinging()) {
+                    if ((mRingHomeBehavior
+                            & Settings.Secure.RING_HOME_BUTTON_BEHAVIOR_ANSWER) != 0) {
+                        Log.i(TAG, "Answering with HOME button.");
+                        telecomManager.acceptRingingCall();
+                        return -1;
+                    } else {
+                        Log.i(TAG, "Ignoring HOME; there's a ringing incoming call.");
+                        return -1;
+                    }
+                }
+
+                // Delay handling home if a double-tap is possible.
+                if (mDoubleTapOnHomeBehavior != KEY_ACTION_NOTHING) {
+                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable); // just in case
+                    mHomeDoubleTapPending = true;
+                    mHandler.postDelayed(mHomeDoubleTapTimeoutRunnable,
+                            ViewConfiguration.getDoubleTapTimeout());
+                    return -1;
+                }
+
+                handleShortPressOnHome();
+                return -1;
+            }
+
+            // If a system window has focus, then it doesn't make sense
+            // right now to interact with applications.
+            WindowManager.LayoutParams attrs = win != null ? win.getAttrs() : null;
+            if (attrs != null) {
+                final int type = attrs.type;
+                if (type == WindowManager.LayoutParams.TYPE_KEYGUARD_SCRIM
+                        || type == WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG
+                        || (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
+                    // the "app" is keyguard, so give it the key
+                    return 0;
+                }
+                final int typeCount = WINDOW_TYPES_WHERE_HOME_DOESNT_WORK.length;
+                for (int i=0; i<typeCount; i++) {
+                    if (type == WINDOW_TYPES_WHERE_HOME_DOESNT_WORK[i]) {
+                        // don't do anything, but also don't pass it to the app
+                        return -1;
+                    }
+                }
+            }
+
+            // Remember that home is pressed and handle special actions.
+            if (repeatCount == 0) {
+                mHomePressed = true;
+                if (mHomeDoubleTapPending) {
+                    mHomeDoubleTapPending = false;
+                    mHandler.removeCallbacks(mHomeDoubleTapTimeoutRunnable);
+                    performKeyAction(mDoubleTapOnHomeBehavior);
+                    mHomeConsumed = true;
+                } else if (mLongPressOnHomeBehavior == KEY_ACTION_APP_SWITCH
+                        || mDoubleTapOnHomeBehavior == KEY_ACTION_APP_SWITCH) {
+                    preloadRecentApps();
+                }
+            } else if (longPress) {
+                if (!keyguardOn && !mHomeConsumed &&
+                        mLongPressOnHomeBehavior != KEY_ACTION_NOTHING) {
+                    if (mLongPressOnHomeBehavior != KEY_ACTION_APP_SWITCH) {
+                        cancelPreloadRecentApps();
+                    }
+                    mHomePressed = true;
+                    performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
+                    performKeyAction(mLongPressOnHomeBehavior);
+                    mHomeConsumed = true;
+                }
+            }
+            return -1;
+        } else if (keyCode == KeyEvent.KEYCODE_MENU) {
+            // Hijack modified menu keys for debugging features
+            final int chordBug = KeyEvent.META_SHIFT_ON;
+
+            if (virtualKey || keyguardOn) {
+                // Let the app handle the key
+                return 0;
+            }
+
+            if (down) {
+                if (mPressOnMenuBehavior == KEY_ACTION_APP_SWITCH
+                        || mLongPressOnMenuBehavior == KEY_ACTION_APP_SWITCH) {
+                    preloadRecentApps();
+                }
+                if (repeatCount == 0) {
+                    mMenuPressed = true;
+                    if (mEnableShiftMenuBugReports && (metaState & chordBug) == chordBug) {
+                        Intent intent = new Intent(Intent.ACTION_BUG_REPORT);
+                        mContext.sendOrderedBroadcastAsUser(intent, UserHandle.CURRENT,
+                                null, null, null, 0, null, null);
+                        return -1;
+                    } else if (SHOW_PROCESSES_ON_ALT_MENU &&
+                            (metaState & KeyEvent.META_ALT_ON) == KeyEvent.META_ALT_ON) {
+                        Intent service = new Intent();
+                        service.setClassName(mContext, "com.android.server.LoadAverageService");
+                        ContentResolver res = mContext.getContentResolver();
+                        boolean shown = Settings.Global.getInt(
+                                res, Settings.Global.SHOW_PROCESSES, 0) != 0;
+                        if (!shown) {
+                            mContext.startService(service);
+                        } else {
+                            mContext.stopService(service);
+                        }
+                        Settings.Global.putInt(
+                                res, Settings.Global.SHOW_PROCESSES, shown ? 0 : 1);
+                        return -1;
+                    }
+                } else if (longPress) {
+                    if (!keyguardOn && mLongPressOnMenuBehavior != KEY_ACTION_NOTHING) {
+                        if (mLongPressOnMenuBehavior != KEY_ACTION_APP_SWITCH) {
+                            cancelPreloadRecentApps();
+                        }
+                        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
+                        performKeyAction(mLongPressOnMenuBehavior);
+                        mMenuPressed = false;
+                        return -1;
+                    }
+                }
+            }
+            if (!down && mMenuPressed) {
+                if (mPressOnMenuBehavior != KEY_ACTION_APP_SWITCH) {
+                    cancelPreloadRecentApps();
+                }
+                mMenuPressed = false;
+                if (!canceled) {
+                    performKeyAction(mPressOnMenuBehavior);
+                }
+            }
+            return -1;
+        } else if (keyCode == KeyEvent.KEYCODE_SEARCH) {
+            if (down) {
+                if (repeatCount == 0) {
+                    mSearchKeyShortcutPending = true;
+                    mConsumeSearchKeyUp = false;
+                }
+            } else {
+                mSearchKeyShortcutPending = false;
+                if (mConsumeSearchKeyUp) {
+                    mConsumeSearchKeyUp = false;
+                    return -1;
+                }
+            }
+            return 0;
+        } else if (keyCode == KeyEvent.KEYCODE_APP_SWITCH) {
+            if (!keyguardOn) {
+                if (down) {
+                    if (mPressOnAppSwitchBehavior == KEY_ACTION_APP_SWITCH
+                            || mLongPressOnAppSwitchBehavior == KEY_ACTION_APP_SWITCH) {
+                        preloadRecentApps();
+                    }
+                    if (repeatCount == 0) {
+                        mAppSwitchLongPressed = false;
+                    } else if (longPress) {
+                        if (mLongPressOnAppSwitchBehavior != KEY_ACTION_NOTHING) {
+                            if (mLongPressOnAppSwitchBehavior != KEY_ACTION_APP_SWITCH) {
+                                cancelPreloadRecentApps();
+                            }
+                            performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
+                            performKeyAction(mLongPressOnAppSwitchBehavior);
+                            mAppSwitchLongPressed = true;
+                        }
+                    }
+                } else {
+                    if (mAppSwitchLongPressed) {
+                        mAppSwitchLongPressed = false;
+                    } else {
+                        if (mPressOnAppSwitchBehavior != KEY_ACTION_APP_SWITCH) {
+                            cancelPreloadRecentApps();
+                        }
+                        if (!canceled) {
+                            performKeyAction(mPressOnAppSwitchBehavior);
+                        }
+                    }
+                }
+            }
+            return -1;
+        } else if (keyCode == KeyEvent.KEYCODE_ASSIST) {
+            if (down) {
+                if (mPressOnAssistBehavior == KEY_ACTION_APP_SWITCH
+                        || mLongPressOnAssistBehavior == KEY_ACTION_APP_SWITCH) {
+                    preloadRecentApps();
+                }
+                if (repeatCount == 0) {
+                    mAssistKeyLongPressed = false;
+                } else if (longPress) {
+                    if (!keyguardOn && mLongPressOnAssistBehavior != KEY_ACTION_NOTHING) {
+                        if (mLongPressOnAssistBehavior != KEY_ACTION_APP_SWITCH) {
+                            cancelPreloadRecentApps();
+                        }
+                        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
+                        performKeyAction(mLongPressOnAssistBehavior);
+                        mAssistKeyLongPressed = true;
+                    }
+                }
+            } else {
+                if (mAssistKeyLongPressed) {
+                    mAssistKeyLongPressed = false;
+                } else {
+                    if (mPressOnAssistBehavior != KEY_ACTION_APP_SWITCH) {
+                        cancelPreloadRecentApps();
+                    }
+                    if (!canceled) {
+                        performKeyAction(mPressOnAssistBehavior);
+                    }
+                }
+            }
+            return -1;
+        } else if (keyCode == KeyEvent.KEYCODE_VOICE_ASSIST) {
+            if (!down) {
+                Intent voiceIntent;
+                if (!keyguardOn) {
+                    voiceIntent = new Intent(RecognizerIntent.ACTION_WEB_SEARCH);
+                } else {
+                    voiceIntent = new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
+                    voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, true);
+                }
+                mContext.startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
+            }
+        } else if (keyCode == KeyEvent.KEYCODE_SYSRQ) {
+            if (down && repeatCount == 0) {
+                mHandler.post(mScreenshotRunnable);
+            }
+            return -1;
+        } else if (keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP
+                || keyCode == KeyEvent.KEYCODE_BRIGHTNESS_DOWN) {
+            if (down) {
+                int direction = keyCode == KeyEvent.KEYCODE_BRIGHTNESS_UP ? 1 : -1;
+
+                // Disable autobrightness if it's on
+                int auto = Settings.System.getIntForUser(
+                        mContext.getContentResolver(),
+                        Settings.System.SCREEN_BRIGHTNESS_MODE,
+                        Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
+                        UserHandle.USER_CURRENT_OR_SELF);
+                if (auto != 0) {
+                    Settings.System.putIntForUser(mContext.getContentResolver(),
+                            Settings.System.SCREEN_BRIGHTNESS_MODE,
+                            Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL,
+                            UserHandle.USER_CURRENT_OR_SELF);
+                }
+
+                int min = mPowerManager.getMinimumScreenBrightnessSetting();
+                int max = mPowerManager.getMaximumScreenBrightnessSetting();
+                int step = (max - min + BRIGHTNESS_STEPS - 1) / BRIGHTNESS_STEPS * direction;
+                int brightness = Settings.System.getIntForUser(mContext.getContentResolver(),
+                        Settings.System.SCREEN_BRIGHTNESS,
+                        mPowerManager.getDefaultScreenBrightnessSetting(),
+                        UserHandle.USER_CURRENT_OR_SELF);
+                brightness += step;
+                // Make sure we don't go beyond the limits.
+                brightness = Math.min(max, brightness);
+                brightness = Math.max(min, brightness);
+
+                Settings.System.putIntForUser(mContext.getContentResolver(),
+                        Settings.System.SCREEN_BRIGHTNESS, brightness,
+                        UserHandle.USER_CURRENT_OR_SELF);
+                mContext.startActivityAsUser(new Intent(Intent.ACTION_SHOW_BRIGHTNESS_DIALOG),
+                        UserHandle.CURRENT_OR_SELF);
+            }
+            return -1;
+        } else if (KeyEvent.isMetaKey(keyCode)) {
+            if (down) {
+                mPendingMetaAction = true;
+            } else if (mPendingMetaAction) {
+                launchAssistAction(Intent.EXTRA_ASSIST_INPUT_HINT_KEYBOARD);
+            }
+            return -1;
+        } else if (keyCode == KeyEvent.KEYCODE_BACK) {
+            if (unpinActivity(true) || Settings.Secure.getInt(mContext.getContentResolver(),
+                    Settings.Secure.KILL_APP_LONGPRESS_BACK, 0) == 1) {
+                if (down && repeatCount == 0) {
+                    mHandler.postDelayed(mBackLongPress, mBackKillTimeout);
+                }
+            }
+        }
+
+        // Shortcuts are invoked through Search+key, so intercept those here
+        // Any printing key that is chorded with Search should be consumed
+        // even if no shortcut was invoked.  This prevents text from being
+        // inadvertently inserted when using a keyboard that has built-in macro
+        // shortcut keys (that emit Search+x) and some of them are not registered.
+        if (mSearchKeyShortcutPending) {
+            final KeyCharacterMap kcm = event.getKeyCharacterMap();
+            if (kcm.isPrintingKey(keyCode)) {
+                mConsumeSearchKeyUp = true;
+                mSearchKeyShortcutPending = false;
+                if (down && repeatCount == 0 && !keyguardOn) {
+                    Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode, metaState);
+                    if (shortcutIntent != null) {
+                        shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                        try {
+                            mContext.startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
+                        } catch (ActivityNotFoundException ex) {
+                            Slog.w(TAG, "Dropping shortcut key combination because "
+                                    + "the activity to which it is registered was not found: "
+                                    + "SEARCH+" + KeyEvent.keyCodeToString(keyCode), ex);
+                        }
+                    } else {
+                        Slog.i(TAG, "Dropping unregistered shortcut key combination: "
+                                + "SEARCH+" + KeyEvent.keyCodeToString(keyCode));
+                    }
+                }
+                return -1;
+            }
+        }
+
+        // Invoke shortcuts using Meta.
+        if (down && repeatCount == 0 && !keyguardOn
+                && (metaState & KeyEvent.META_META_ON) != 0) {
+            final KeyCharacterMap kcm = event.getKeyCharacterMap();
+            if (kcm.isPrintingKey(keyCode)) {
+                Intent shortcutIntent = mShortcutManager.getIntent(kcm, keyCode,
+                        metaState & ~(KeyEvent.META_META_ON
+                                | KeyEvent.META_META_LEFT_ON | KeyEvent.META_META_RIGHT_ON));
+                if (shortcutIntent != null) {
+                    shortcutIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                    try {
+                        mContext.startActivityAsUser(shortcutIntent, UserHandle.CURRENT);
+                    } catch (ActivityNotFoundException ex) {
+                        Slog.w(TAG, "Dropping shortcut key combination because "
+                                + "the activity to which it is registered was not found: "
+                                + "META+" + KeyEvent.keyCodeToString(keyCode), ex);
+                    }
+                    return -1;
+                }
+            }
+        }
+
+        // Handle application launch keys.
+        if (down && repeatCount == 0 && !keyguardOn) {
+            String category = sApplicationLaunchKeyCategories.get(keyCode);
+            if (category != null) {
+                Intent intent = Intent.makeMainSelectorActivity(Intent.ACTION_MAIN, category);
+                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                try {
+                    mContext.startActivityAsUser(intent, UserHandle.CURRENT);
+                } catch (ActivityNotFoundException ex) {
+                    Slog.w(TAG, "Dropping application launch key because "
+                            + "the activity to which it is registered was not found: "
+                            + "keyCode=" + keyCode + ", category=" + category, ex);
+                }
+                return -1;
+            }
+        }
+
+        // Display task switcher for ALT-TAB.
+        if (down && repeatCount == 0 && keyCode == KeyEvent.KEYCODE_TAB) {
+            if (mRecentAppsHeldModifiers == 0 && !keyguardOn) {
+                final int shiftlessModifiers = event.getModifiers() & ~KeyEvent.META_SHIFT_MASK;
+                if (KeyEvent.metaStateHasModifiers(shiftlessModifiers, KeyEvent.META_ALT_ON)) {
+                    mRecentAppsHeldModifiers = shiftlessModifiers;
+                    showRecentApps(true);
+                    return -1;
+                }
+            }
+        } else if (!down && mRecentAppsHeldModifiers != 0
+                && (metaState & mRecentAppsHeldModifiers) == 0) {
+            mRecentAppsHeldModifiers = 0;
+            hideRecentApps(true, false);
+        }
+
+        // Handle keyboard language switching.
+        if (down && repeatCount == 0
+                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
+                        || (keyCode == KeyEvent.KEYCODE_SPACE
+                                && (metaState & KeyEvent.META_CTRL_MASK) != 0))) {
+            int direction = (metaState & KeyEvent.META_SHIFT_MASK) != 0 ? -1 : 1;
+            mWindowManagerFuncs.switchKeyboardLayout(event.getDeviceId(), direction);
+            return -1;
+        }
+        if (mLanguageSwitchKeyPressed && !down
+                && (keyCode == KeyEvent.KEYCODE_LANGUAGE_SWITCH
+                        || keyCode == KeyEvent.KEYCODE_SPACE)) {
+            mLanguageSwitchKeyPressed = false;
+            return -1;
+        }
+
+        if (isValidGlobalKey(keyCode)
+                && mGlobalKeyManager.handleGlobalKey(mContext, keyCode, event)) {
+            return -1;
+
+        }
+
+        // Specific device key handling
+        if (mDeviceKeyHandler != null) {
+            try {
+                // The device only should consume known keys.
+                if (mDeviceKeyHandler.handleKeyEvent(event)) {
+                    return -1;
+                }
+            } catch (Exception e) {
+                Slog.w(TAG, "Could not dispatch event to device key handler", e);
+            }
+        }
+
+        // Reserve all the META modifier combos for system behavior
+        if ((metaState & KeyEvent.META_META_ON) != 0) {
+            return -1;
+        }
+
+        // Let the application handle the key.
+        return 0;
+    }
+
+    private boolean unpinActivity(boolean checkOnly) {
+        if (!hasNavigationBar()) {
+            try {
+                if (ActivityManagerNative.getDefault().isInLockTaskMode()) {
+                    if (!checkOnly) {
+                        ActivityManagerNative.getDefault().stopLockTaskModeOnCurrent();
+                    }
+                    return true;
+                }
+            } catch (RemoteException e) {
+                // ignored
+            }
+        }
+        return false;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {
+        // Note: This method is only called if the initial down was unhandled.
+        if (DEBUG_INPUT) {
+            Slog.d(TAG, "Unhandled key: win=" + win + ", action=" + event.getAction()
+                    + ", flags=" + event.getFlags()
+                    + ", keyCode=" + event.getKeyCode()
+                    + ", scanCode=" + event.getScanCode()
+                    + ", metaState=" + event.getMetaState()
+                    + ", repeatCount=" + event.getRepeatCount()
+                    + ", policyFlags=" + policyFlags);
+        }
+
+        KeyEvent fallbackEvent = null;
+        if ((event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
+            final KeyCharacterMap kcm = event.getKeyCharacterMap();
+            final int keyCode = event.getKeyCode();
+            final int metaState = event.getMetaState();
+            final boolean initialDown = event.getAction() == KeyEvent.ACTION_DOWN
+                    && event.getRepeatCount() == 0;
+
+            // Check for fallback actions specified by the key character map.
+            final FallbackAction fallbackAction;
+            if (initialDown) {
+                fallbackAction = kcm.getFallbackAction(keyCode, metaState);
+            } else {
+                fallbackAction = mFallbackActions.get(keyCode);
+            }
+
+            if (fallbackAction != null) {
+                if (DEBUG_INPUT) {
+                    Slog.d(TAG, "Fallback: keyCode=" + fallbackAction.keyCode
+                            + " metaState=" + Integer.toHexString(fallbackAction.metaState));
+                }
+
+                final int flags = event.getFlags() | KeyEvent.FLAG_FALLBACK;
+                fallbackEvent = KeyEvent.obtain(
+                        event.getDownTime(), event.getEventTime(),
+                        event.getAction(), fallbackAction.keyCode,
+                        event.getRepeatCount(), fallbackAction.metaState,
+                        event.getDeviceId(), event.getScanCode(),
+                        flags, event.getSource(), null);
+
+                if (!interceptFallback(win, fallbackEvent, policyFlags)) {
+                    fallbackEvent.recycle();
+                    fallbackEvent = null;
+                }
+
+                if (initialDown) {
+                    mFallbackActions.put(keyCode, fallbackAction);
+                } else if (event.getAction() == KeyEvent.ACTION_UP) {
+                    mFallbackActions.remove(keyCode);
+                    fallbackAction.recycle();
+                }
+            }
+        }
+
+        if (DEBUG_INPUT) {
+            if (fallbackEvent == null) {
+                Slog.d(TAG, "No fallback.");
+            } else {
+                Slog.d(TAG, "Performing fallback: " + fallbackEvent);
+            }
+        }
+        return fallbackEvent;
+    }
+
+    private boolean interceptFallback(WindowState win, KeyEvent fallbackEvent, int policyFlags) {
+        int actions = interceptKeyBeforeQueueing(fallbackEvent, policyFlags);
+        if ((actions & ACTION_PASS_TO_USER) != 0) {
+            long delayMillis = interceptKeyBeforeDispatching(
+                    win, fallbackEvent, policyFlags);
+            if (delayMillis == 0) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private void launchAssistLongPressAction() {
+        performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
+        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
+
+        // launch the search activity
+        Intent intent = new Intent(Intent.ACTION_SEARCH_LONG_PRESS);
+        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        try {
+            // TODO: This only stops the factory-installed search manager.
+            // Need to formalize an API to handle others
+            SearchManager searchManager = getSearchManager();
+            if (searchManager != null) {
+                searchManager.stopSearch();
+            }
+            mContext.startActivityAsUser(intent, UserHandle.CURRENT);
+        } catch (ActivityNotFoundException e) {
+            Slog.w(TAG, "No activity to handle assist long press action.", e);
+        }
+    }
+
+    private void launchAssistAction() {
+        launchAssistAction(null);
+    }
+
+    private void launchAssistAction(String hint) {
+        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_ASSIST);
+        Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
+                .getAssistIntent(mContext, true, UserHandle.USER_CURRENT);
+        if (intent != null) {
+            if (hint != null) {
+                intent.putExtra(hint, true);
+            }
+            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+                    | Intent.FLAG_ACTIVITY_SINGLE_TOP
+                    | Intent.FLAG_ACTIVITY_CLEAR_TOP);
+            try {
+                mContext.startActivityAsUser(intent, UserHandle.CURRENT);
+            } catch (ActivityNotFoundException e) {
+                Slog.w(TAG, "No activity to handle assist action.", e);
+            }
+        }
+    }
+
+    private SearchManager getSearchManager() {
+        if (mSearchManager == null) {
+            mSearchManager = (SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE);
+        }
+        return mSearchManager;
+    }
+
+    private void preloadRecentApps() {
+        mPreloadedRecentApps = true;
+        try {
+            IStatusBarService statusbar = getStatusBarService();
+            if (statusbar != null) {
+                statusbar.preloadRecentApps();
+            }
+        } catch (RemoteException e) {
+            Slog.e(TAG, "RemoteException when preloading recent apps", e);
+            // re-acquire status bar service next time it is needed.
+            mStatusBarService = null;
+        }
+    }
+
+    private void cancelPreloadRecentApps() {
+        if (mPreloadedRecentApps) {
+            mPreloadedRecentApps = false;
+            try {
+                IStatusBarService statusbar = getStatusBarService();
+                if (statusbar != null) {
+                    statusbar.cancelPreloadRecentApps();
+                }
+            } catch (RemoteException e) {
+                Slog.e(TAG, "RemoteException when cancelling recent apps preload", e);
+                // re-acquire status bar service next time it is needed.
+                mStatusBarService = null;
+            }
+        }
+    }
+
+    private void toggleRecentApps() {
+        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
+        try {
+            IStatusBarService statusbar = getStatusBarService();
+            if (statusbar != null) {
+                statusbar.toggleRecentApps();
+            }
+        } catch (RemoteException e) {
+            Slog.e(TAG, "RemoteException when toggling recent apps", e);
+            // re-acquire status bar service next time it is needed.
+            mStatusBarService = null;
+        }
+    }
+
+    @Override
+    public void showRecentApps() {
+        mHandler.removeMessages(MSG_DISPATCH_SHOW_RECENTS);
+        mHandler.sendEmptyMessage(MSG_DISPATCH_SHOW_RECENTS);
+    }
+
+    private void showRecentApps(boolean triggeredFromAltTab) {
+        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
+        try {
+            IStatusBarService statusbar = getStatusBarService();
+            if (statusbar != null) {
+                statusbar.showRecentApps(triggeredFromAltTab);
+            }
+        } catch (RemoteException e) {
+            Slog.e(TAG, "RemoteException when showing recent apps", e);
+            // re-acquire status bar service next time it is needed.
+            mStatusBarService = null;
+        }
+    }
+
+    private void hideRecentApps(boolean triggeredFromAltTab, boolean triggeredFromHome) {
+        mPreloadedRecentApps = false; // preloading no longer needs to be canceled
+        try {
+            IStatusBarService statusbar = getStatusBarService();
+            if (statusbar != null) {
+                statusbar.hideRecentApps(triggeredFromAltTab, triggeredFromHome);
+            }
+        } catch (RemoteException e) {
+            Slog.e(TAG, "RemoteException when closing recent apps", e);
+            // re-acquire status bar service next time it is needed.
+            mStatusBarService = null;
+        }
+    }
+
+    /**
+     * A home key -> launch home action was detected.  Take the appropriate action
+     * given the situation with the keyguard.
+     */
+    void launchHomeFromHotKey() {
+        if (isKeyguardShowingAndNotOccluded()) {
+            // don't launch home if keyguard showing
+        } else if (!mHideLockScreen && mKeyguardDelegate.isInputRestricted()) {
+            // when in keyguard restricted mode, must first verify unlock
+            // before launching home
+            mKeyguardDelegate.verifyUnlock(new OnKeyguardExitResult() {
+                @Override
+                public void onKeyguardExitResult(boolean success) {
+                    if (success) {
+                        try {
+                            ActivityManagerNative.getDefault().stopAppSwitches();
+                        } catch (RemoteException e) {
+                        }
+                        sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
+                        startDockOrHome();
+                    }
+                }
+            });
+        } else {
+            // no keyguard stuff to worry about, just launch home!
+            try {
+                ActivityManagerNative.getDefault().stopAppSwitches();
+            } catch (RemoteException e) {
+            }
+            if (mRecentsVisible) {
+                // Hide Recents and notify it to launch Home
+                awakenDreams();
+                sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
+                hideRecentApps(false, true);
+            } else if (mScreenOnFully) {
+                // check if screen is fully on before going home
+                // to avoid hardware home button wake going home
+                sendCloseSystemWindows(SYSTEM_DIALOG_REASON_HOME_KEY);
+                startDockOrHome();
+            }
+        }
+    }
+
+    private final Runnable mClearHideNavigationFlag = new Runnable() {
+        @Override
+        public void run() {
+            synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
+                // Clear flags.
+                mForceClearedSystemUiFlags &=
+                        ~View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
+            }
+            mWindowManagerFuncs.reevaluateStatusBarVisibility();
+        }
+    };
+
+    /**
+     * Input handler used while nav bar is hidden.  Captures any touch on the screen,
+     * to determine when the nav bar should be shown and prevent applications from
+     * receiving those touches.
+     */
+    final class HideNavInputEventReceiver extends InputEventReceiver {
+        public HideNavInputEventReceiver(InputChannel inputChannel, Looper looper) {
+            super(inputChannel, looper);
+        }
+
+        @Override
+        public void onInputEvent(InputEvent event) {
+            boolean handled = false;
+            try {
+                if (event instanceof MotionEvent
+                        && (event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
+                    final MotionEvent motionEvent = (MotionEvent)event;
+                    if (motionEvent.getAction() == MotionEvent.ACTION_DOWN) {
+                        // When the user taps down, we re-show the nav bar.
+                        boolean changed = false;
+                        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
+                            // Any user activity always causes us to show the
+                            // navigation controls, if they had been hidden.
+                            // We also clear the low profile and only content
+                            // flags so that tapping on the screen will atomically
+                            // restore all currently hidden screen decorations.
+                            int newVal = mResettingSystemUiFlags |
+                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
+                                    View.SYSTEM_UI_FLAG_LOW_PROFILE |
+                                    View.SYSTEM_UI_FLAG_FULLSCREEN;
+                            if (mResettingSystemUiFlags != newVal) {
+                                mResettingSystemUiFlags = newVal;
+                                changed = true;
+                            }
+                            // We don't allow the system's nav bar to be hidden
+                            // again for 1 second, to prevent applications from
+                            // spamming us and keeping it from being shown.
+                            newVal = mForceClearedSystemUiFlags |
+                                    View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
+                            if (mForceClearedSystemUiFlags != newVal) {
+                                mForceClearedSystemUiFlags = newVal;
+                                changed = true;
+                                mHandler.postDelayed(mClearHideNavigationFlag, 1000);
+                            }
+                        }
+                        if (changed) {
+                            mWindowManagerFuncs.reevaluateStatusBarVisibility();
+                        }
+                    }
+                }
+            } finally {
+                finishInputEvent(event, handled);
+            }
+        }
+    }
+    final InputEventReceiver.Factory mHideNavInputEventReceiverFactory =
+            new InputEventReceiver.Factory() {
+        @Override
+        public InputEventReceiver createInputEventReceiver(
+                InputChannel inputChannel, Looper looper) {
+            return new HideNavInputEventReceiver(inputChannel, looper);
+        }
+    };
+
+    @Override
+    public int adjustSystemUiVisibilityLw(int visibility) {
+        mStatusBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
+        mNavigationBarController.adjustSystemUiVisibilityLw(mLastSystemUiFlags, visibility);
+        mRecentsVisible = (visibility & View.RECENT_APPS_VISIBLE) > 0;
+
+        updateEdgeGestureListenerState();
+
+        // Reset any bits in mForceClearingStatusBarVisibility that
+        // are now clear.
+        mResettingSystemUiFlags &= visibility;
+        // Clear any bits in the new visibility that are currently being
+        // force cleared, before reporting it.
+        return visibility & ~mResettingSystemUiFlags
+                & ~mForceClearedSystemUiFlags;
+    }
+
+    @Override
+    public void getInsetHintLw(WindowManager.LayoutParams attrs, Rect outContentInsets,
+            Rect outStableInsets) {
+        final int fl = WindowManagerPolicyControl.getWindowFlags(null, attrs);
+        final int sysuiVis = WindowManagerPolicyControl.getSystemUiVisibility(null, attrs);
+        final int systemUiVisibility = (sysuiVis | attrs.subtreeSystemUiVisibility);
+
+        if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
+                == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
+            int availRight, availBottom;
+            if (canHideNavigationBar() &&
+                    (systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0) {
+                availRight = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
+                availBottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
+            } else {
+                availRight = mRestrictedScreenLeft + mRestrictedScreenWidth;
+                availBottom = mRestrictedScreenTop + mRestrictedScreenHeight;
+            }
+            if ((systemUiVisibility & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
+                if ((fl & FLAG_FULLSCREEN) != 0) {
+                    outContentInsets.set(mStableFullscreenLeft, mStableFullscreenTop,
+                            availRight - mStableFullscreenRight,
+                            availBottom - mStableFullscreenBottom);
+                } else {
+                    outContentInsets.set(mStableLeft, mStableTop,
+                            availRight - mStableRight, availBottom - mStableBottom);
+                }
+            } else if ((fl & FLAG_FULLSCREEN) != 0 || (fl & FLAG_LAYOUT_IN_OVERSCAN) != 0) {
+                outContentInsets.setEmpty();
+            } else if ((systemUiVisibility & (View.SYSTEM_UI_FLAG_FULLSCREEN
+                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN)) == 0) {
+                outContentInsets.set(mCurLeft, mCurTop,
+                        availRight - mCurRight, availBottom - mCurBottom);
+            } else {
+                outContentInsets.set(mCurLeft, mCurTop,
+                        availRight - mCurRight, availBottom - mCurBottom);
+            }
+
+            outStableInsets.set(mStableLeft, mStableTop,
+                    availRight - mStableRight, availBottom - mStableBottom);
+            return;
+        }
+        outContentInsets.setEmpty();
+        outStableInsets.setEmpty();
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void beginLayoutLw(boolean isDefaultDisplay, int displayWidth, int displayHeight,
+                              int displayRotation) {
+        final int overscanLeft, overscanTop, overscanRight, overscanBottom;
+        if (isDefaultDisplay) {
+            switch (displayRotation) {
+                case Surface.ROTATION_90:
+                    overscanLeft = mOverscanTop;
+                    overscanTop = mOverscanRight;
+                    overscanRight = mOverscanBottom;
+                    overscanBottom = mOverscanLeft;
+                    break;
+                case Surface.ROTATION_180:
+                    overscanLeft = mOverscanRight;
+                    overscanTop = mOverscanBottom;
+                    overscanRight = mOverscanLeft;
+                    overscanBottom = mOverscanTop;
+                    break;
+                case Surface.ROTATION_270:
+                    overscanLeft = mOverscanBottom;
+                    overscanTop = mOverscanLeft;
+                    overscanRight = mOverscanTop;
+                    overscanBottom = mOverscanRight;
+                    break;
+                default:
+                    overscanLeft = mOverscanLeft;
+                    overscanTop = mOverscanTop;
+                    overscanRight = mOverscanRight;
+                    overscanBottom = mOverscanBottom;
+                    break;
+            }
+        } else {
+            overscanLeft = 0;
+            overscanTop = 0;
+            overscanRight = 0;
+            overscanBottom = 0;
+        }
+        mOverscanScreenLeft = mRestrictedOverscanScreenLeft = 0;
+        mOverscanScreenTop = mRestrictedOverscanScreenTop = 0;
+        mOverscanScreenWidth = mRestrictedOverscanScreenWidth = displayWidth;
+        mOverscanScreenHeight = mRestrictedOverscanScreenHeight = displayHeight;
+        mSystemLeft = 0;
+        mSystemTop = 0;
+        mSystemRight = displayWidth;
+        mSystemBottom = displayHeight;
+        mUnrestrictedScreenLeft = overscanLeft;
+        mUnrestrictedScreenTop = overscanTop;
+        mUnrestrictedScreenWidth = displayWidth - overscanLeft - overscanRight;
+        mUnrestrictedScreenHeight = displayHeight - overscanTop - overscanBottom;
+        mRestrictedScreenLeft = mUnrestrictedScreenLeft;
+        mRestrictedScreenTop = mUnrestrictedScreenTop;
+        mRestrictedScreenWidth = mSystemGestures.screenWidth = mUnrestrictedScreenWidth;
+        mRestrictedScreenHeight = mSystemGestures.screenHeight = mUnrestrictedScreenHeight;
+        mDockLeft = mContentLeft = mVoiceContentLeft = mStableLeft = mStableFullscreenLeft
+                = mCurLeft = mForceImmersiveLeft = mUnrestrictedScreenLeft;
+        mDockTop = mContentTop = mVoiceContentTop = mStableTop = mStableFullscreenTop
+                = mCurTop = mForceImmersiveTop = mUnrestrictedScreenTop;
+        mDockRight = mContentRight = mVoiceContentRight = mStableRight = mStableFullscreenRight
+                = mCurRight = mForceImmersiveRight = displayWidth - overscanRight;
+        mDockBottom = mContentBottom = mVoiceContentBottom = mStableBottom = mStableFullscreenBottom
+                = mCurBottom = mForceImmersiveBottom = displayHeight - overscanBottom;
+        mDockLayer = 0x10000000;
+        mStatusBarLayer = -1;
+
+        // start with the current dock rect, which will be (0,0,displayWidth,displayHeight)
+        final Rect pf = mTmpParentFrame;
+        final Rect df = mTmpDisplayFrame;
+        final Rect of = mTmpOverscanFrame;
+        final Rect vf = mTmpVisibleFrame;
+        final Rect dcf = mTmpDecorFrame;
+        pf.left = df.left = of.left = vf.left = mDockLeft;
+        pf.top = df.top = of.top = vf.top = mDockTop;
+        pf.right = df.right = of.right = vf.right = mDockRight;
+        pf.bottom = df.bottom = of.bottom = vf.bottom = mDockBottom;
+        dcf.setEmpty();  // Decor frame N/A for system bars.
+
+        if (isDefaultDisplay) {
+            // For purposes of putting out fake window up to steal focus, we will
+            // drive nav being hidden only by whether it is requested.
+            final int sysui = mLastSystemUiFlags;
+            boolean navVisible = (sysui & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0;
+            boolean navTranslucent = (sysui
+                    & (View.NAVIGATION_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
+            boolean immersive = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE) != 0;
+            boolean immersiveSticky = (sysui & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
+            boolean navAllowedHidden = immersive || immersiveSticky;
+            navTranslucent &= !immersiveSticky;  // transient trumps translucent
+            boolean isKeyguardShowing = isStatusBarKeyguard() && !mHideLockScreen;
+            if (!isKeyguardShowing) {
+                navTranslucent &= areTranslucentBarsAllowed();
+            }
+
+            // When the navigation bar isn't visible, we put up a fake
+            // input window to catch all touch events.  This way we can
+            // detect when the user presses anywhere to bring back the nav
+            // bar and ensure the application doesn't see the event.
+            if (navVisible || navAllowedHidden) {
+                if (mHideNavFakeWindow != null) {
+                    mHideNavFakeWindow.dismiss();
+                    mHideNavFakeWindow = null;
+                }
+            } else if (mHideNavFakeWindow == null) {
+                mHideNavFakeWindow = mWindowManagerFuncs.addFakeWindow(
+                        mHandler.getLooper(), mHideNavInputEventReceiverFactory,
+                        "hidden nav", WindowManager.LayoutParams.TYPE_HIDDEN_NAV_CONSUMER, 0,
+                        0, false, false, true);
+            }
+
+            // For purposes of positioning and showing the nav bar, if we have
+            // decided that it can't be hidden (because of the screen aspect ratio),
+            // then take that into account.
+            navVisible |= !canHideNavigationBar();
+
+            boolean updateSysUiVisibility = false;
+            if (mNavigationBar != null) {
+                boolean transientNavBarShowing = mNavigationBarController.isTransientShowing();
+                // Force the navigation bar to its appropriate place and
+                // size.  We need to do this directly, instead of relying on
+                // it to bubble up from the nav bar, because this needs to
+                // change atomically with screen rotations.
+                mNavigationBarOnBottom = (!mNavigationBarCanMove || displayWidth < displayHeight);
+                if (mNavigationBarOnBottom) {
+                    // It's a system nav bar or a portrait screen; nav bar goes on bottom.
+                    int top = displayHeight - overscanBottom
+                            - mNavigationBarHeightForRotation[displayRotation];
+                    mTmpNavigationFrame.set(0, top, displayWidth, displayHeight - overscanBottom);
+                    mStableBottom = mStableFullscreenBottom = mTmpNavigationFrame.top;
+                    if (transientNavBarShowing) {
+                        mNavigationBarController.setBarShowingLw(true);
+                    } else if (navVisible) {
+                        mNavigationBarController.setBarShowingLw(true);
+                        mDockBottom = mTmpNavigationFrame.top;
+                        mRestrictedScreenHeight = mDockBottom - mRestrictedScreenTop;
+                        mRestrictedOverscanScreenHeight = mDockBottom - mRestrictedOverscanScreenTop;
+                    } else {
+                        // We currently want to hide the navigation UI.
+                        mNavigationBarController.setBarShowingLw(false);
+                    }
+                    if (navVisible && !navTranslucent && !navAllowedHidden
+                            && !mNavigationBar.isAnimatingLw()
+                            && !mNavigationBarController.wasRecentlyTranslucent()) {
+                        // If the opaque nav bar is currently requested to be visible,
+                        // and not in the process of animating on or off, then
+                        // we can tell the app that it is covered by it.
+                        mSystemBottom = mTmpNavigationFrame.top;
+                    }
+                } else if (mNavigationBarLeftInLandscape) {
+                    // Landscape screen; nav bar goes to the left.
+                    int right = overscanLeft + mNavigationBarWidthForRotation[displayRotation];
+                    mTmpNavigationFrame.set(0, 0, right, displayHeight);
+                    mStableLeft = mStableFullscreenLeft = mTmpNavigationFrame.right;
+                    mStableFullscreenLeft = mTmpNavigationFrame.right;
+                    if (transientNavBarShowing) {
+                        mNavigationBarController.setBarShowingLw(true);
+                    } else if (navVisible) {
+                        mNavigationBarController.setBarShowingLw(true);
+                        mDockLeft = mTmpNavigationFrame.right;
+                        mRestrictedScreenLeft = mDockLeft;
+                        mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
+                        mRestrictedOverscanScreenLeft = mRestrictedScreenLeft;
+                        mRestrictedOverscanScreenWidth = mDockRight
+                                - mRestrictedOverscanScreenLeft;
+                    } else {
+                        // We currently want to hide the navigation UI.
+                        mNavigationBarController.setBarShowingLw(false);
+                    }
+
+                    if (navVisible && !navTranslucent && !mNavigationBar.isAnimatingLw()
+                            && !mNavigationBarController.wasRecentlyTranslucent()) {
+                        // If the nav bar is currently requested to be visible,
+                        // and not in the process of animating on or off, then
+                        // we can tell the app that it is covered by it.
+                        mSystemLeft = mTmpNavigationFrame.right;
+                    }
+                } else {
+                    // Landscape screen; nav bar goes to the right.
+                    int left = displayWidth - overscanRight
+                            - mNavigationBarWidthForRotation[displayRotation];
+                    mTmpNavigationFrame.set(left, 0, displayWidth - overscanRight, displayHeight);
+                    mStableRight = mStableFullscreenRight = mTmpNavigationFrame.left;
+                    if (transientNavBarShowing) {
+                        mNavigationBarController.setBarShowingLw(true);
+                    } else if (navVisible) {
+                        mNavigationBarController.setBarShowingLw(true);
+                        mDockRight = mTmpNavigationFrame.left;
+                        mRestrictedScreenWidth = mDockRight - mRestrictedScreenLeft;
+                        mRestrictedOverscanScreenWidth = mDockRight - mRestrictedOverscanScreenLeft;
+                    } else {
+                        // We currently want to hide the navigation UI.
+                        mNavigationBarController.setBarShowingLw(false);
+                    }
+                    if (navVisible && !navTranslucent && !mNavigationBar.isAnimatingLw()
+                            && !mNavigationBarController.wasRecentlyTranslucent()) {
+                        // If the nav bar is currently requested to be visible,
+                        // and not in the process of animating on or off, then
+                        // we can tell the app that it is covered by it.
+                        mSystemRight = mTmpNavigationFrame.left;
+                    }
+                }
+                // Make sure the content and current rectangles are updated to
+                // account for the restrictions from the navigation bar.
+                mContentTop = mVoiceContentTop = mCurTop = mDockTop;
+                mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
+                mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
+                mContentRight = mVoiceContentRight = mCurRight = mDockRight;
+                mStatusBarLayer = mNavigationBar.getSurfaceLayer();
+                // And compute the final frame.
+                mNavigationBar.computeFrameLw(mTmpNavigationFrame, mTmpNavigationFrame,
+                        mTmpNavigationFrame, mTmpNavigationFrame, mTmpNavigationFrame, dcf,
+                        mTmpNavigationFrame);
+                if (DEBUG_LAYOUT) Slog.i(TAG, "mNavigationBar frame: " + mTmpNavigationFrame);
+                if (mNavigationBarController.checkHiddenLw()) {
+                    updateSysUiVisibility = true;
+                }
+            }
+            if (DEBUG_LAYOUT) Slog.i(TAG, String.format("mDock rect: (%d,%d - %d,%d)",
+                    mDockLeft, mDockTop, mDockRight, mDockBottom));
+
+            // decide where the status bar goes ahead of time
+            if (mStatusBar != null) {
+                // apply any navigation bar insets
+                pf.left = df.left = of.left = mUnrestrictedScreenLeft;
+                pf.top = df.top = of.top = mUnrestrictedScreenTop;
+                pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
+                pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight
+                        + mUnrestrictedScreenTop;
+                vf.left = mStableLeft;
+                vf.top = mStableTop;
+                vf.right = mStableRight;
+                vf.bottom = mStableBottom;
+
+                mStatusBarLayer = mStatusBar.getSurfaceLayer();
+
+                // Let the status bar determine its size.
+                mStatusBar.computeFrameLw(pf, df, vf, vf, vf, dcf, vf);
+
+                // For layout, the status bar is always at the top with our fixed height.
+                mStableTop = mUnrestrictedScreenTop + mStatusBarHeight;
+
+                boolean statusBarTransient = (sysui & View.STATUS_BAR_TRANSIENT) != 0;
+                boolean statusBarTranslucent = (sysui
+                        & (View.STATUS_BAR_TRANSLUCENT | View.SYSTEM_UI_TRANSPARENT)) != 0;
+                if (!isKeyguardShowing) {
+                    statusBarTranslucent &= areTranslucentBarsAllowed();
+                }
+
+                // If the status bar is hidden, we don't want to cause
+                // windows behind it to scroll.
+                if (mStatusBar.isVisibleLw() && !statusBarTransient) {
+                    // Status bar may go away, so the screen area it occupies
+                    // is available to apps but just covering them when the
+                    // status bar is visible.
+                    mDockTop = mUnrestrictedScreenTop + mStatusBarHeight;
+
+                    mContentTop = mVoiceContentTop = mCurTop = mDockTop;
+                    mContentBottom = mVoiceContentBottom = mCurBottom = mDockBottom;
+                    mContentLeft = mVoiceContentLeft = mCurLeft = mDockLeft;
+                    mContentRight = mVoiceContentRight = mCurRight = mDockRight;
+
+                    if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar: " +
+                        String.format(
+                            "dock=[%d,%d][%d,%d] content=[%d,%d][%d,%d] cur=[%d,%d][%d,%d]",
+                            mDockLeft, mDockTop, mDockRight, mDockBottom,
+                            mContentLeft, mContentTop, mContentRight, mContentBottom,
+                            mCurLeft, mCurTop, mCurRight, mCurBottom));
+                }
+                if (mStatusBar.isVisibleLw() && !mStatusBar.isAnimatingLw()
+                        && !statusBarTransient && !statusBarTranslucent
+                        && !mStatusBarController.wasRecentlyTranslucent()) {
+                    // If the opaque status bar is currently requested to be visible,
+                    // and not in the process of animating on or off, then
+                    // we can tell the app that it is covered by it.
+                    mSystemTop = mUnrestrictedScreenTop + mStatusBarHeight;
+                }
+                if (mStatusBarController.checkHiddenLw()) {
+                    updateSysUiVisibility = true;
+                }
+            }
+            if (updateSysUiVisibility) {
+                updateSystemUiVisibilityLw();
+            }
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public int getSystemDecorLayerLw() {
+        if (mStatusBar != null) return mStatusBar.getSurfaceLayer();
+        if (mNavigationBar != null) return mNavigationBar.getSurfaceLayer();
+        return 0;
+    }
+
+    @Override
+    public void getContentRectLw(Rect r) {
+        r.set(mContentLeft, mContentTop, mContentRight, mContentBottom);
+    }
+
+    void setAttachedWindowFrames(WindowState win, int fl, int adjust, WindowState attached,
+            boolean insetDecors, Rect pf, Rect df, Rect of, Rect cf, Rect vf) {
+        if (win.getSurfaceLayer() > mDockLayer && attached.getSurfaceLayer() < mDockLayer) {
+            // Here's a special case: if this attached window is a panel that is
+            // above the dock window, and the window it is attached to is below
+            // the dock window, then the frames we computed for the window it is
+            // attached to can not be used because the dock is effectively part
+            // of the underlying window and the attached window is floating on top
+            // of the whole thing.  So, we ignore the attached window and explicitly
+            // compute the frames that would be appropriate without the dock.
+            df.left = of.left = cf.left = vf.left = mDockLeft;
+            df.top = of.top = cf.top = vf.top = mDockTop;
+            df.right = of.right = cf.right = vf.right = mDockRight;
+            df.bottom = of.bottom = cf.bottom = vf.bottom = mDockBottom;
+        } else {
+            // The effective display frame of the attached window depends on
+            // whether it is taking care of insetting its content.  If not,
+            // we need to use the parent's content frame so that the entire
+            // window is positioned within that content.  Otherwise we can use
+            // the overscan frame and let the attached window take care of
+            // positioning its content appropriately.
+            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
+                // Set the content frame of the attached window to the parent's decor frame
+                // (same as content frame when IME isn't present) if specifically requested by
+                // setting {@link WindowManager.LayoutParams#FLAG_LAYOUT_ATTACHED_IN_DECOR} flag.
+                // Otherwise, use the overscan frame.
+                cf.set((fl & FLAG_LAYOUT_ATTACHED_IN_DECOR) != 0
+                        ? attached.getContentFrameLw() : attached.getOverscanFrameLw());
+            } else {
+                // If the window is resizing, then we want to base the content
+                // frame on our attached content frame to resize...  however,
+                // things can be tricky if the attached window is NOT in resize
+                // mode, in which case its content frame will be larger.
+                // Ungh.  So to deal with that, make sure the content frame
+                // we end up using is not covering the IM dock.
+                cf.set(attached.getContentFrameLw());
+                if (attached.isVoiceInteraction()) {
+                    if (cf.left < mVoiceContentLeft) cf.left = mVoiceContentLeft;
+                    if (cf.top < mVoiceContentTop) cf.top = mVoiceContentTop;
+                    if (cf.right > mVoiceContentRight) cf.right = mVoiceContentRight;
+                    if (cf.bottom > mVoiceContentBottom) cf.bottom = mVoiceContentBottom;
+                } else if (attached.getSurfaceLayer() < mDockLayer) {
+                    if (cf.left < mContentLeft) cf.left = mContentLeft;
+                    if (cf.top < mContentTop) cf.top = mContentTop;
+                    if (cf.right > mContentRight) cf.right = mContentRight;
+                    if (cf.bottom > mContentBottom) cf.bottom = mContentBottom;
+                }
+            }
+            df.set(insetDecors ? attached.getDisplayFrameLw() : cf);
+            of.set(insetDecors ? attached.getOverscanFrameLw() : cf);
+            vf.set(attached.getVisibleFrameLw());
+        }
+        // The LAYOUT_IN_SCREEN flag is used to determine whether the attached
+        // window should be positioned relative to its parent or the entire
+        // screen.
+        pf.set((fl & FLAG_LAYOUT_IN_SCREEN) == 0
+                ? attached.getFrameLw() : df);
+    }
+
+    private void applyForceImmersiveMode(int pfl, Rect r) {
+        if ((pfl & PRIVATE_FLAG_STATUS_HIDE_FORCED) != 0) {
+            r.top = mForceImmersiveTop;
+        }
+        if ((pfl & PRIVATE_FLAG_NAV_HIDE_FORCED) != 0) {
+            if (mNavigationBarOnBottom) {
+                r.bottom = mForceImmersiveBottom;
+            } else {
+                r.right = mForceImmersiveRight;
+            }
+        }
+    }
+
+    private void applyStableConstraints(int sysui, int fl, Rect r) {
+        if ((sysui & View.SYSTEM_UI_FLAG_LAYOUT_STABLE) != 0) {
+            // If app is requesting a stable layout, don't let the
+            // content insets go below the stable values.
+            if ((fl & FLAG_FULLSCREEN) != 0) {
+                if (r.left < mStableFullscreenLeft) r.left = mStableFullscreenLeft;
+                if (r.top < mStableFullscreenTop) r.top = mStableFullscreenTop;
+                if (r.right > mStableFullscreenRight) r.right = mStableFullscreenRight;
+                if (r.bottom > mStableFullscreenBottom) r.bottom = mStableFullscreenBottom;
+            } else {
+                if (r.left < mStableLeft) r.left = mStableLeft;
+                if (r.top < mStableTop) r.top = mStableTop;
+                if (r.right > mStableRight) r.right = mStableRight;
+                if (r.bottom > mStableBottom) r.bottom = mStableBottom;
+            }
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void layoutWindowLw(WindowState win, WindowState attached) {
+        // we've already done the status bar
+        final WindowManager.LayoutParams attrs = win.getAttrs();
+        if ((win == mStatusBar && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) == 0) ||
+                win == mNavigationBar) {
+            return;
+        }
+        final boolean isDefaultDisplay = win.isDefaultDisplay();
+        final boolean needsToOffsetInputMethodTarget = isDefaultDisplay &&
+                (win == mLastInputMethodTargetWindow && mLastInputMethodWindow != null);
+        if (needsToOffsetInputMethodTarget) {
+            if (DEBUG_LAYOUT) Slog.i(TAG, "Offset ime target window by the last ime window state");
+            offsetInputMethodWindowLw(mLastInputMethodWindow);
+        }
+
+        final int fl = WindowManagerPolicyControl.getWindowFlags(win, attrs);
+        final int pfl = WindowManagerPolicyControl.getPrivateWindowFlags(win, attrs);
+        final int sim = attrs.softInputMode;
+        final int sysUiFl = WindowManagerPolicyControl.getSystemUiVisibility(win, null);
+
+        final Rect pf = mTmpParentFrame;
+        final Rect df = mTmpDisplayFrame;
+        final Rect of = mTmpOverscanFrame;
+        final Rect cf = mTmpContentFrame;
+        final Rect vf = mTmpVisibleFrame;
+        final Rect dcf = mTmpDecorFrame;
+        final Rect sf = mTmpStableFrame;
+        dcf.setEmpty();
+
+        final boolean hasNavBar = (isDefaultDisplay && mHasNavigationBar
+                && mNavigationBar != null && mNavigationBar.isVisibleLw());
+
+        final int adjust = sim & SOFT_INPUT_MASK_ADJUST;
+
+        if (isDefaultDisplay) {
+            sf.set(mStableLeft, mStableTop, mStableRight, mStableBottom);
+        } else {
+            sf.set(mOverscanLeft, mOverscanTop, mOverscanRight, mOverscanBottom);
+        }
+
+        if (!isDefaultDisplay) {
+            if (attached != null) {
+                // If this window is attached to another, our display
+                // frame is the same as the one we are attached to.
+                setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
+            } else {
+                // Give the window full screen.
+                pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
+                pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
+                pf.right = df.right = of.right = cf.right
+                        = mOverscanScreenLeft + mOverscanScreenWidth;
+                pf.bottom = df.bottom = of.bottom = cf.bottom
+                        = mOverscanScreenTop + mOverscanScreenHeight;
+            }
+        } else  if (attrs.type == TYPE_INPUT_METHOD) {
+            pf.left = df.left = of.left = cf.left = vf.left = mDockLeft;
+            pf.top = df.top = of.top = cf.top = vf.top = mDockTop;
+            pf.right = df.right = of.right = cf.right = vf.right = mDockRight;
+            // IM dock windows layout below the nav bar...
+            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
+            // ...with content insets above the nav bar
+            cf.bottom = vf.bottom = mStableBottom;
+            // IM dock windows always go to the bottom of the screen.
+            attrs.gravity = Gravity.BOTTOM;
+            mDockLayer = win.getSurfaceLayer();
+        } else if (win == mStatusBar && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
+            pf.left = df.left = of.left = mUnrestrictedScreenLeft;
+            pf.top = df.top = of.top = mUnrestrictedScreenTop;
+            pf.right = df.right = of.right = mUnrestrictedScreenWidth + mUnrestrictedScreenLeft;
+            pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenHeight + mUnrestrictedScreenTop;
+            cf.left = vf.left = mStableLeft;
+            cf.top = vf.top = mStableTop;
+            cf.right = vf.right = mStableRight;
+            vf.bottom = mStableBottom;
+            cf.bottom = mContentBottom;
+        } else {
+
+            // Default policy decor for the default display
+            dcf.left = mSystemLeft;
+            dcf.top = mSystemTop;
+            dcf.right = mSystemRight;
+            dcf.bottom = mSystemBottom;
+            final boolean inheritTranslucentDecor = (attrs.privateFlags
+                    & WindowManager.LayoutParams.PRIVATE_FLAG_INHERIT_TRANSLUCENT_DECOR) != 0;
+            final boolean isAppWindow =
+                    attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW &&
+                    attrs.type <= WindowManager.LayoutParams.LAST_APPLICATION_WINDOW;
+            final boolean topAtRest =
+                    win == mTopFullscreenOpaqueWindowState && !win.isAnimatingLw();
+            if (isAppWindow && !inheritTranslucentDecor && !topAtRest) {
+                if ((sysUiFl & View.SYSTEM_UI_FLAG_FULLSCREEN) == 0
+                        && (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) == 0
+                        && (fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS) == 0
+                        && (fl & WindowManager.LayoutParams.
+                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
+                    // Ensure policy decor includes status bar
+                    dcf.top = mStableTop;
+                }
+                if ((fl & WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION) == 0
+                        && (sysUiFl & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) == 0
+                        && (fl & WindowManager.LayoutParams.
+                                FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS) == 0) {
+                    // Ensure policy decor includes navigation bar
+                    dcf.bottom = mStableBottom;
+                    dcf.right = mStableRight;
+                }
+            }
+
+            if ((fl & (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR))
+                    == (FLAG_LAYOUT_IN_SCREEN | FLAG_LAYOUT_INSET_DECOR)) {
+                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle()
+                            + "): IN_SCREEN, INSET_DECOR");
+                // This is the case for a normal activity window: we want it
+                // to cover all of the screen space, and it can take care of
+                // moving its contents to account for screen decorations that
+                // intrude into that space.
+                if (attached != null) {
+                    // If this window is attached to another, our display
+                    // frame is the same as the one we are attached to.
+                    setAttachedWindowFrames(win, fl, adjust, attached, true, pf, df, of, cf, vf);
+                } else {
+                    if (attrs.type == TYPE_STATUS_BAR_PANEL
+                            || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
+                        // Status bar panels are the only windows who can go on top of
+                        // the status bar.  They are protected by the STATUS_BAR_SERVICE
+                        // permission, so they have the same privileges as the status
+                        // bar itself.
+                        //
+                        // However, they should still dodge the navigation bar if it exists.
+
+                        pf.left = df.left = of.left = hasNavBar
+                                ? mDockLeft : mUnrestrictedScreenLeft;
+                        pf.top = df.top = of.top = mUnrestrictedScreenTop;
+                        pf.right = df.right = of.right = hasNavBar
+                                ? mRestrictedScreenLeft+mRestrictedScreenWidth
+                                : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
+                        pf.bottom = df.bottom = of.bottom = hasNavBar
+                                ? mRestrictedScreenTop+mRestrictedScreenHeight
+                                : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
+
+                        if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
+                                        "Laying out status bar window: (%d,%d - %d,%d)",
+                                        pf.left, pf.top, pf.right, pf.bottom));
+                    } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
+                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
+                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
+                        // Asking to layout into the overscan region, so give it that pure
+                        // unrestricted area.
+                        pf.left = df.left = of.left = mOverscanScreenLeft;
+                        pf.top = df.top = of.top = mOverscanScreenTop;
+                        pf.right = df.right = of.right = mOverscanScreenLeft + mOverscanScreenWidth;
+                        pf.bottom = df.bottom = of.bottom = mOverscanScreenTop
+                                + mOverscanScreenHeight;
+                    } else if (canHideNavigationBar()
+                            && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
+                            && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
+                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
+                        // Asking for layout as if the nav bar is hidden, lets the
+                        // application extend into the unrestricted overscan screen area.  We
+                        // only do this for application windows to ensure no window that
+                        // can be above the nav bar can do this.
+                        pf.left = df.left = mOverscanScreenLeft;
+                        pf.top = df.top = mOverscanScreenTop;
+                        pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
+                        pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
+                        // We need to tell the app about where the frame inside the overscan
+                        // is, so it can inset its content by that amount -- it didn't ask
+                        // to actually extend itself into the overscan region.
+                        of.left = mUnrestrictedScreenLeft;
+                        of.top = mUnrestrictedScreenTop;
+                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
+                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
+                    } else {
+                        pf.left = df.left = mRestrictedOverscanScreenLeft;
+                        pf.top = df.top = mRestrictedOverscanScreenTop;
+                        pf.right = df.right = mRestrictedOverscanScreenLeft
+                                + mRestrictedOverscanScreenWidth;
+                        pf.bottom = df.bottom = mRestrictedOverscanScreenTop
+                                + mRestrictedOverscanScreenHeight;
+                        // We need to tell the app about where the frame inside the overscan
+                        // is, so it can inset its content by that amount -- it didn't ask
+                        // to actually extend itself into the overscan region.
+                        of.left = mUnrestrictedScreenLeft;
+                        of.top = mUnrestrictedScreenTop;
+                        of.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
+                        of.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
+                    }
+
+                    if ((fl & FLAG_FULLSCREEN) == 0
+                            || (pfl & PRIVATE_FLAG_WAS_NOT_FULLSCREEN) != 0) {
+                        if (win.isVoiceInteraction()) {
+                            cf.left = mVoiceContentLeft;
+                            cf.top = mVoiceContentTop;
+                            cf.right = mVoiceContentRight;
+                            cf.bottom = mVoiceContentBottom;
+                        } else {
+                            if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
+                                cf.left = mDockLeft;
+                                cf.top = mDockTop;
+                                cf.right = mDockRight;
+                                cf.bottom = mDockBottom;
+                            } else {
+                                cf.left = mContentLeft;
+                                cf.top = mContentTop;
+                                cf.right = mContentRight;
+                                cf.bottom = mContentBottom;
+                            }
+
+                            applyForceImmersiveMode(pfl, cf);
+                        }
+                    } else {
+                        // Full screen windows are always given a layout that is as if the
+                        // status bar and other transient decors are gone.  This is to avoid
+                        // bad states when moving from a window that is not hding the
+                        // status bar to one that is.
+                        cf.left = mRestrictedScreenLeft;
+                        cf.top = mRestrictedScreenTop;
+                        cf.right = mRestrictedScreenLeft + mRestrictedScreenWidth;
+                        cf.bottom = mRestrictedScreenTop + mRestrictedScreenHeight;
+                    }
+                    applyStableConstraints(sysUiFl, fl, cf);
+                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
+                        vf.left = mCurLeft;
+                        vf.top = mCurTop;
+                        vf.right = mCurRight;
+                        vf.bottom = mCurBottom;
+                    } else {
+                        vf.set(cf);
+                    }
+
+                    applyForceImmersiveMode(pfl, vf);
+                }
+            } else if ((fl & FLAG_LAYOUT_IN_SCREEN) != 0 || (sysUiFl
+                    & (View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
+                            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION)) != 0) {
+                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
+                        "): IN_SCREEN");
+                // A window that has requested to fill the entire screen just
+                // gets everything, period.
+                if (attrs.type == TYPE_STATUS_BAR_PANEL
+                        || attrs.type == TYPE_STATUS_BAR_SUB_PANEL) {
+                    pf.left = df.left = of.left = cf.left = hasNavBar
+                            ? mDockLeft : mUnrestrictedScreenLeft;
+                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
+                    pf.right = df.right = of.right = cf.right = hasNavBar
+                                        ? mRestrictedScreenLeft+mRestrictedScreenWidth
+                                        : mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
+                    pf.bottom = df.bottom = of.bottom = cf.bottom = hasNavBar
+                                          ? mRestrictedScreenTop+mRestrictedScreenHeight
+                                          : mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
+                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
+                                    "Laying out IN_SCREEN status bar window: (%d,%d - %d,%d)",
+                                    pf.left, pf.top, pf.right, pf.bottom));
+                } else if (attrs.type == TYPE_NAVIGATION_BAR
+                        || attrs.type == TYPE_NAVIGATION_BAR_PANEL) {
+                    // The navigation bar has Real Ultimate Power.
+                    pf.left = df.left = of.left = mUnrestrictedScreenLeft;
+                    pf.top = df.top = of.top = mUnrestrictedScreenTop;
+                    pf.right = df.right = of.right = mUnrestrictedScreenLeft
+                            + mUnrestrictedScreenWidth;
+                    pf.bottom = df.bottom = of.bottom = mUnrestrictedScreenTop
+                            + mUnrestrictedScreenHeight;
+                    if (DEBUG_LAYOUT) Slog.v(TAG, String.format(
+                                    "Laying out navigation bar window: (%d,%d - %d,%d)",
+                                    pf.left, pf.top, pf.right, pf.bottom));
+                } else if ((attrs.type == TYPE_SECURE_SYSTEM_OVERLAY
+                                || attrs.type == TYPE_BOOT_PROGRESS)
+                        && ((fl & FLAG_FULLSCREEN) != 0)) {
+                    // Fullscreen secure system overlays get what they ask for.
+                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
+                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
+                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
+                            + mOverscanScreenWidth;
+                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
+                            + mOverscanScreenHeight;
+                } else if (attrs.type == TYPE_BOOT_PROGRESS
+                        || attrs.type == TYPE_UNIVERSE_BACKGROUND) {
+                    // Boot progress screen always covers entire display.
+                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
+                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
+                    pf.right = df.right = of.right = cf.right = mOverscanScreenLeft
+                            + mOverscanScreenWidth;
+                    pf.bottom = df.bottom = of.bottom = cf.bottom = mOverscanScreenTop
+                            + mOverscanScreenHeight;
+                } else if (attrs.type == TYPE_WALLPAPER) {
+                    // The wallpaper also has Real Ultimate Power, but we want to tell
+                    // it about the overscan area.
+                    pf.left = df.left = mOverscanScreenLeft;
+                    pf.top = df.top = mOverscanScreenTop;
+                    pf.right = df.right = mOverscanScreenLeft + mOverscanScreenWidth;
+                    pf.bottom = df.bottom = mOverscanScreenTop + mOverscanScreenHeight;
+                    of.left = cf.left = mUnrestrictedScreenLeft;
+                    of.top = cf.top = mUnrestrictedScreenTop;
+                    of.right = cf.right = mUnrestrictedScreenLeft + mUnrestrictedScreenWidth;
+                    of.bottom = cf.bottom = mUnrestrictedScreenTop + mUnrestrictedScreenHeight;
+                } else if ((fl & FLAG_LAYOUT_IN_OVERSCAN) != 0
+                        && attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
+                        && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
+                    // Asking to layout into the overscan region, so give it that pure
+                    // unrestricted area.
+                    pf.left = df.left = of.left = cf.left = mOverscanScreenLeft;
+                    pf.top = df.top = of.top = cf.top = mOverscanScreenTop;
+                    pf.right = df.right = of.right = cf.right
+                            = mOverscanScreenLeft + mOverscanScreenWidth;
+                    pf.bottom = df.bottom = of.bottom = cf.bottom
+                            = mOverscanScreenTop + mOverscanScreenHeight;
+                } else if (canHideNavigationBar()
+                        && (sysUiFl & View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION) != 0
+                        && (attrs.type == TYPE_STATUS_BAR
+                            || attrs.type == TYPE_TOAST
+                            || (attrs.type >= WindowManager.LayoutParams.FIRST_APPLICATION_WINDOW
+                            && attrs.type <= WindowManager.LayoutParams.LAST_SUB_WINDOW))) {
+                    // Asking for layout as if the nav bar is hidden, lets the
+                    // application extend into the unrestricted screen area.  We
+                    // only do this for application windows (or toasts) to ensure no window that
+                    // can be above the nav bar can do this.
+                    // XXX This assumes that an app asking for this will also
+                    // ask for layout in only content.  We can't currently figure out
+                    // what the screen would be if only laying out to hide the nav bar.
+                    pf.left = df.left = of.left = cf.left = mUnrestrictedScreenLeft;
+                    pf.top = df.top = of.top = cf.top = mUnrestrictedScreenTop;
+                    pf.right = df.right = of.right = cf.right = mUnrestrictedScreenLeft
+                            + mUnrestrictedScreenWidth;
+                    pf.bottom = df.bottom = of.bottom = cf.bottom = mUnrestrictedScreenTop
+                            + mUnrestrictedScreenHeight;
+                } else {
+                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
+                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
+                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
+                            + mRestrictedScreenWidth;
+                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
+                            + mRestrictedScreenHeight;
+                }
+
+                applyStableConstraints(sysUiFl, fl, cf);
+
+                if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
+                    vf.left = mCurLeft;
+                    vf.top = mCurTop;
+                    vf.right = mCurRight;
+                    vf.bottom = mCurBottom;
+                } else {
+                    vf.set(cf);
+                }
+
+                applyForceImmersiveMode(pfl, vf);
+            } else if (attached != null) {
+                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
+                        "): attached to " + attached);
+                // A child window should be placed inside of the same visible
+                // frame that its parent had.
+                setAttachedWindowFrames(win, fl, adjust, attached, false, pf, df, of, cf, vf);
+            } else {
+                if (DEBUG_LAYOUT) Slog.v(TAG, "layoutWindowLw(" + attrs.getTitle() +
+                        "): normal window");
+                // Otherwise, a normal window must be placed inside the content
+                // of all screen decorations.
+                if (attrs.type == TYPE_STATUS_BAR_PANEL) {
+                    // Status bar panels are the only windows who can go on top of
+                    // the status bar.  They are protected by the STATUS_BAR_SERVICE
+                    // permission, so they have the same privileges as the status
+                    // bar itself.
+                    pf.left = df.left = of.left = cf.left = mRestrictedScreenLeft;
+                    pf.top = df.top = of.top = cf.top = mRestrictedScreenTop;
+                    pf.right = df.right = of.right = cf.right = mRestrictedScreenLeft
+                            + mRestrictedScreenWidth;
+                    pf.bottom = df.bottom = of.bottom = cf.bottom = mRestrictedScreenTop
+                            + mRestrictedScreenHeight;
+                } else if (attrs.type == TYPE_TOAST || attrs.type == TYPE_SYSTEM_ALERT
+                        || attrs.type == TYPE_VOLUME_OVERLAY) {
+                    // These dialogs are stable to interim decor changes.
+                    pf.left = df.left = of.left = cf.left = mStableLeft;
+                    pf.top = df.top = of.top = cf.top = mStableTop;
+                    pf.right = df.right = of.right = cf.right = mStableRight;
+                    pf.bottom = df.bottom = of.bottom = cf.bottom = mStableBottom;
+                } else {
+                    pf.left = mContentLeft;
+                    pf.top = mContentTop;
+                    pf.right = mContentRight;
+                    pf.bottom = mContentBottom;
+                    if (win.isVoiceInteraction()) {
+                        df.left = of.left = cf.left = mVoiceContentLeft;
+                        df.top = of.top = cf.top = mVoiceContentTop;
+                        df.right = of.right = cf.right = mVoiceContentRight;
+                        df.bottom = of.bottom = cf.bottom = mVoiceContentBottom;
+                    } else if (adjust != SOFT_INPUT_ADJUST_RESIZE) {
+                        df.left = of.left = cf.left = mDockLeft;
+                        df.top = of.top = cf.top = mDockTop;
+                        df.right = of.right = cf.right = mDockRight;
+                        df.bottom = of.bottom = cf.bottom = mDockBottom;
+                    } else {
+                        df.left = of.left = cf.left = mContentLeft;
+                        df.top = of.top = cf.top = mContentTop;
+                        df.right = of.right = cf.right = mContentRight;
+                        df.bottom = of.bottom = cf.bottom = mContentBottom;
+                    }
+                    if (adjust != SOFT_INPUT_ADJUST_NOTHING) {
+                        vf.left = mCurLeft;
+                        vf.top = mCurTop;
+                        vf.right = mCurRight;
+                        vf.bottom = mCurBottom;
+                    } else {
+                        vf.set(cf);
+                    }
+
+                    applyForceImmersiveMode(pfl, vf);
+                }
+            }
+        }
+
+        // TYPE_SYSTEM_ERROR is above the NavigationBar so it can't be allowed to extend over it.
+        if ((fl & FLAG_LAYOUT_NO_LIMITS) != 0 && attrs.type != TYPE_SYSTEM_ERROR) {
+            df.left = df.top = -10000;
+            df.right = df.bottom = 10000;
+            if (attrs.type != TYPE_WALLPAPER) {
+                of.left = of.top = cf.left = cf.top = vf.left = vf.top = -10000;
+                of.right = of.bottom = cf.right = cf.bottom = vf.right = vf.bottom = 10000;
+            }
+        }
+
+        if (DEBUG_LAYOUT) Slog.v(TAG, "Compute frame " + attrs.getTitle()
+                + ": sim=#" + Integer.toHexString(sim)
+                + " attach=" + attached + " type=" + attrs.type
+                + String.format(" flags=0x%08x", fl)
+                + " pf=" + pf.toShortString() + " df=" + df.toShortString()
+                + " of=" + of.toShortString()
+                + " cf=" + cf.toShortString() + " vf=" + vf.toShortString()
+                + " dcf=" + dcf.toShortString()
+                + " sf=" + sf.toShortString());
+
+        win.computeFrameLw(pf, df, of, cf, vf, dcf, sf);
+
+        // Dock windows carve out the bottom of the screen, so normal windows
+        // can't appear underneath them.
+        if (attrs.type == TYPE_INPUT_METHOD && win.isVisibleOrBehindKeyguardLw()
+                && !win.getGivenInsetsPendingLw()) {
+            setLastInputMethodWindowLw(null, null);
+            offsetInputMethodWindowLw(win);
+        }
+        if (attrs.type == TYPE_VOICE_INTERACTION && win.isVisibleOrBehindKeyguardLw()
+                && !win.getGivenInsetsPendingLw()) {
+            offsetVoiceInputWindowLw(win);
+        }
+    }
+
+    private void offsetInputMethodWindowLw(WindowState win) {
+        int top = win.getContentFrameLw().top;
+        top += win.getGivenContentInsetsLw().top;
+        if (mContentBottom > top) {
+            mContentBottom = top;
+        }
+        if (mForceImmersiveBottom > top) {
+            mForceImmersiveBottom = top;
+        }
+        if (mVoiceContentBottom > top) {
+            mVoiceContentBottom = top;
+        }
+        top = win.getVisibleFrameLw().top;
+        top += win.getGivenVisibleInsetsLw().top;
+        if (mCurBottom > top) {
+            mCurBottom = top;
+        }
+        if (DEBUG_LAYOUT) Slog.v(TAG, "Input method: mDockBottom="
+                + mDockBottom + " mContentBottom="
+                + mContentBottom + " mCurBottom=" + mCurBottom);
+    }
+
+    private void offsetVoiceInputWindowLw(WindowState win) {
+        final int gravity = win.getAttrs().gravity;
+        switch (gravity&((Gravity.AXIS_PULL_BEFORE|Gravity.AXIS_PULL_AFTER)
+                << Gravity.AXIS_X_SHIFT)) {
+            case Gravity.AXIS_PULL_BEFORE<<Gravity.AXIS_X_SHIFT: {
+                int right = win.getContentFrameLw().right - win.getGivenContentInsetsLw().right;
+                if (mVoiceContentLeft < right) {
+                    mVoiceContentLeft = right;
+                }
+            } break;
+            case Gravity.AXIS_PULL_AFTER<<Gravity.AXIS_X_SHIFT: {
+                int left = win.getContentFrameLw().left - win.getGivenContentInsetsLw().left;
+                if (mVoiceContentRight < left) {
+                    mVoiceContentRight = left;
+                }
+            } break;
+        }
+        switch (gravity&((Gravity.AXIS_PULL_BEFORE|Gravity.AXIS_PULL_AFTER)
+                << Gravity.AXIS_Y_SHIFT)) {
+            case Gravity.AXIS_PULL_BEFORE<<Gravity.AXIS_Y_SHIFT: {
+                int bottom = win.getContentFrameLw().bottom - win.getGivenContentInsetsLw().bottom;
+                if (mVoiceContentTop < bottom) {
+                    mVoiceContentTop = bottom;
+                }
+            } break;
+            case Gravity.AXIS_PULL_AFTER<<Gravity.AXIS_Y_SHIFT: {
+                int top = win.getContentFrameLw().top - win.getGivenContentInsetsLw().top;
+                if (mVoiceContentBottom < top) {
+                    mVoiceContentBottom = top;
+                }
+            } break;
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void finishLayoutLw() {
+        return;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void beginPostLayoutPolicyLw(int displayWidth, int displayHeight) {
+        mTopFullscreenOpaqueWindowState = null;
+        mAppsToBeHidden.clear();
+        mAppsThatDismissKeyguard.clear();
+        mForceStatusBar = false;
+        mForceStatusBarFromKeyguard = false;
+        mForcingShowNavBar = false;
+        mForcingShowNavBarLayer = -1;
+
+        mHideLockScreen = false;
+        mAllowLockscreenWhenOn = false;
+        mDismissKeyguard = DISMISS_KEYGUARD_NONE;
+        mShowingLockscreen = false;
+        mShowingDream = false;
+        mWinShowWhenLocked = null;
+        mKeyguardSecure = isKeyguardSecure();
+        mKeyguardSecureIncludingHidden = mKeyguardSecure
+                && (mKeyguardDelegate != null && mKeyguardDelegate.isShowing());
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void applyPostLayoutPolicyLw(WindowState win, WindowManager.LayoutParams attrs,
+            WindowState attached) {
+
+        if (DEBUG_LAYOUT) Slog.i(TAG, "Win " + win + ": isVisibleOrBehindKeyguardLw="
+                + win.isVisibleOrBehindKeyguardLw());
+        final int fl = WindowManagerPolicyControl.getWindowFlags(win, attrs);
+        if (mTopFullscreenOpaqueWindowState == null
+                && win.isVisibleLw() && attrs.type == TYPE_INPUT_METHOD) {
+            mForcingShowNavBar = true;
+            mForcingShowNavBarLayer = win.getSurfaceLayer();
+        }
+        if (attrs.type == TYPE_STATUS_BAR && (attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
+            mForceStatusBarFromKeyguard = true;
+        }
+        if (mTopFullscreenOpaqueWindowState == null &&
+                win.isVisibleOrBehindKeyguardLw() && !win.isGoneForLayoutLw()) {
+            if ((fl & FLAG_FORCE_NOT_FULLSCREEN) != 0) {
+                if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
+                    mForceStatusBarFromKeyguard = true;
+                } else {
+                    mForceStatusBar = true;
+                }
+            }
+            if ((attrs.privateFlags & PRIVATE_FLAG_KEYGUARD) != 0) {
+                mShowingLockscreen = true;
+            }
+            boolean appWindow = attrs.type >= FIRST_APPLICATION_WINDOW
+                    && attrs.type < FIRST_SYSTEM_WINDOW;
+            if (attrs.type == TYPE_DREAM) {
+                // If the lockscreen was showing when the dream started then wait
+                // for the dream to draw before hiding the lockscreen.
+                if (!mDreamingLockscreen
+                        || (win.isVisibleLw() && win.hasDrawnLw())) {
+                    mShowingDream = true;
+                    appWindow = true;
+                }
+            }
+
+            final boolean showWhenLocked = (fl & FLAG_SHOW_WHEN_LOCKED) != 0;
+            final boolean dismissKeyguard = (fl & FLAG_DISMISS_KEYGUARD) != 0;
+            final IApplicationToken appToken = win.getAppToken();
+
+            // For app windows that are not attached, we decide if all windows in the app they
+            // represent should be hidden or if we should hide the lockscreen. For attached app
+            // windows we defer the decision to the window it is attached to.
+            if (appWindow && attached == null) {
+                if (showWhenLocked) {
+                    // Remove any previous windows with the same appToken.
+                    mAppsToBeHidden.remove(appToken);
+                    mAppsThatDismissKeyguard.remove(appToken);
+                    if (mAppsToBeHidden.isEmpty()) {
+                        if (dismissKeyguard && !mKeyguardSecure) {
+                            mAppsThatDismissKeyguard.add(appToken);
+                        } else {
+                            mWinShowWhenLocked = win;
+                            mHideLockScreen = true;
+                            mForceStatusBarFromKeyguard = false;
+                        }
+                    }
+                } else if (dismissKeyguard) {
+                    if (mKeyguardSecure) {
+                        mAppsToBeHidden.add(appToken);
+                    } else {
+                        mAppsToBeHidden.remove(appToken);
+                    }
+                    mAppsThatDismissKeyguard.add(appToken);
+                } else {
+                    mAppsToBeHidden.add(appToken);
+                }
+                if (attrs.x == 0 && attrs.y == 0
+                        && attrs.width == WindowManager.LayoutParams.MATCH_PARENT
+                        && attrs.height == WindowManager.LayoutParams.MATCH_PARENT) {
+                    if (DEBUG_LAYOUT) Slog.v(TAG, "Fullscreen window: " + win);
+                    mTopFullscreenOpaqueWindowState = win;
+                    if (!mAppsThatDismissKeyguard.isEmpty() &&
+                            mDismissKeyguard == DISMISS_KEYGUARD_NONE) {
+                        if (DEBUG_LAYOUT) Slog.v(TAG,
+                                "Setting mDismissKeyguard true by win " + win);
+                        mDismissKeyguard = mWinDismissingKeyguard == win ?
+                                DISMISS_KEYGUARD_CONTINUE : DISMISS_KEYGUARD_START;
+                        mWinDismissingKeyguard = win;
+                        mForceStatusBarFromKeyguard = mShowingLockscreen && mKeyguardSecure;
+                    } else if (mAppsToBeHidden.isEmpty() && showWhenLocked) {
+                        if (DEBUG_LAYOUT) Slog.v(TAG,
+                                "Setting mHideLockScreen to true by win " + win);
+                        mHideLockScreen = true;
+                        mForceStatusBarFromKeyguard = false;
+                    }
+                    if ((fl & FLAG_ALLOW_LOCK_WHILE_SCREEN_ON) != 0) {
+                        mAllowLockscreenWhenOn = true;
+                    }
+                }
+
+                if (mWinShowWhenLocked != null &&
+                        mWinShowWhenLocked.getAppToken() != win.getAppToken()) {
+                    win.hideLw(false);
+                }
+            }
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public int finishPostLayoutPolicyLw() {
+        if (mWinShowWhenLocked != null && mTopFullscreenOpaqueWindowState != null &&
+                mWinShowWhenLocked.getAppToken() != mTopFullscreenOpaqueWindowState.getAppToken()
+                && isKeyguardLocked()) {
+            // A dialog is dismissing the keyguard. Put the wallpaper behind it and hide the
+            // fullscreen window.
+            // TODO: Make sure FLAG_SHOW_WALLPAPER is restored when dialog is dismissed. Or not.
+            mWinShowWhenLocked.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
+            mTopFullscreenOpaqueWindowState.hideLw(false);
+            mTopFullscreenOpaqueWindowState = mWinShowWhenLocked;
+        }
+
+        int changes = 0;
+        boolean topIsFullscreen = false;
+
+        final WindowManager.LayoutParams lp = (mTopFullscreenOpaqueWindowState != null)
+                ? mTopFullscreenOpaqueWindowState.getAttrs()
+                : null;
+
+        // If we are not currently showing a dream then remember the current
+        // lockscreen state.  We will use this to determine whether the dream
+        // started while the lockscreen was showing and remember this state
+        // while the dream is showing.
+        if (!mShowingDream) {
+            mDreamingLockscreen = mShowingLockscreen;
+        }
+
+        if (mStatusBar != null) {
+            if (DEBUG_LAYOUT) Slog.i(TAG, "force=" + mForceStatusBar
+                    + " forcefkg=" + mForceStatusBarFromKeyguard
+                    + " top=" + mTopFullscreenOpaqueWindowState);
+            if (mForceStatusBar || mForceStatusBarFromKeyguard) {
+                if (DEBUG_LAYOUT) Slog.v(TAG, "Showing status bar: forced");
+                if (mStatusBarController.setBarShowingLw(true)) {
+                    changes |= FINISH_LAYOUT_REDO_LAYOUT;
+                }
+                // Maintain fullscreen layout until incoming animation is complete.
+                topIsFullscreen = mTopIsFullscreen && mStatusBar.isAnimatingLw();
+                // Transient status bar on the lockscreen is not allowed
+                if (mForceStatusBarFromKeyguard && mStatusBarController.isTransientShowing()) {
+                    mStatusBarController.updateVisibilityLw(false /*transientAllowed*/,
+                            mLastSystemUiFlags, mLastSystemUiFlags);
+                }
+            } else if (mTopFullscreenOpaqueWindowState != null) {
+                final int fl = WindowManagerPolicyControl.getWindowFlags(null, lp);
+                if (localLOGV) {
+                    Slog.d(TAG, "frame: " + mTopFullscreenOpaqueWindowState.getFrameLw()
+                            + " shown frame: " + mTopFullscreenOpaqueWindowState.getShownFrameLw());
+                    Slog.d(TAG, "attr: " + mTopFullscreenOpaqueWindowState.getAttrs()
+                            + " lp.flags=0x" + Integer.toHexString(fl));
+                }
+                topIsFullscreen = (fl & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0
+                        || (mLastSystemUiFlags & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
+                // The subtle difference between the window for mTopFullscreenOpaqueWindowState
+                // and mTopIsFullscreen is that that mTopIsFullscreen is set only if the window
+                // has the FLAG_FULLSCREEN set.  Not sure if there is another way that to be the
+                // case though.
+                if (mStatusBarController.isTransientShowing()) {
+                    if (mStatusBarController.setBarShowingLw(true)) {
+                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
+                    }
+                } else if (topIsFullscreen) {
+                    if (DEBUG_LAYOUT) Slog.v(TAG, "** HIDING status bar");
+                    if (mStatusBarController.setBarShowingLw(false)) {
+                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
+                    } else {
+                        if (DEBUG_LAYOUT) Slog.v(TAG, "Status bar already hiding");
+                    }
+                } else {
+                    if (DEBUG_LAYOUT) Slog.v(TAG, "** SHOWING status bar: top is not fullscreen");
+                    if (mStatusBarController.setBarShowingLw(true)) {
+                        changes |= FINISH_LAYOUT_REDO_LAYOUT;
+                    }
+                }
+            }
+        }
+
+        if (mTopIsFullscreen != topIsFullscreen) {
+            if (!topIsFullscreen) {
+                // Force another layout when status bar becomes fully shown.
+                changes |= FINISH_LAYOUT_REDO_LAYOUT;
+            }
+            mTopIsFullscreen = topIsFullscreen;
+        }
+
+        // Hide the key guard if a visible window explicitly specifies that it wants to be
+        // displayed when the screen is locked.
+        if (mKeyguardDelegate != null && mStatusBar != null) {
+            if (localLOGV) Slog.v(TAG, "finishPostLayoutPolicyLw: mHideKeyguard="
+                    + mHideLockScreen);
+            if (mDismissKeyguard != DISMISS_KEYGUARD_NONE && !mKeyguardSecure) {
+                mKeyguardHidden = true;
+                if (setKeyguardOccludedLw(true)) {
+                    changes |= FINISH_LAYOUT_REDO_LAYOUT
+                            | FINISH_LAYOUT_REDO_CONFIG
+                            | FINISH_LAYOUT_REDO_WALLPAPER;
+                }
+                if (mKeyguardDelegate.isShowing()) {
+                    mHandler.post(new Runnable() {
+                        @Override
+                        public void run() {
+                            mKeyguardDelegate.keyguardDone(false, false);
+                        }
+                    });
+                }
+            } else if (mHideLockScreen) {
+                mKeyguardHidden = true;
+                if (setKeyguardOccludedLw(true)) {
+                    changes |= FINISH_LAYOUT_REDO_LAYOUT
+                            | FINISH_LAYOUT_REDO_CONFIG
+                            | FINISH_LAYOUT_REDO_WALLPAPER;
+                }
+            } else if (mDismissKeyguard != DISMISS_KEYGUARD_NONE) {
+                // This is the case of keyguard isSecure() and not mHideLockScreen.
+                if (mDismissKeyguard == DISMISS_KEYGUARD_START) {
+                    // Only launch the next keyguard unlock window once per window.
+                    mKeyguardHidden = false;
+                    if (setKeyguardOccludedLw(false)) {
+                        changes |= FINISH_LAYOUT_REDO_LAYOUT
+                                | FINISH_LAYOUT_REDO_CONFIG
+                                | FINISH_LAYOUT_REDO_WALLPAPER;
+                    }
+                    mHandler.post(new Runnable() {
+                        @Override
+                        public void run() {
+                            mKeyguardDelegate.dismiss();
+                        }
+                    });
+                }
+            } else {
+                mWinDismissingKeyguard = null;
+                mKeyguardHidden = false;
+                if (setKeyguardOccludedLw(false)) {
+                    changes |= FINISH_LAYOUT_REDO_LAYOUT
+                            | FINISH_LAYOUT_REDO_CONFIG
+                            | FINISH_LAYOUT_REDO_WALLPAPER;
+                }
+            }
+        }
+
+        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
+            // If the navigation bar has been hidden or shown, we need to do another
+            // layout pass to update that window.
+            changes |= FINISH_LAYOUT_REDO_LAYOUT;
+        }
+
+        // update since mAllowLockscreenWhenOn might have changed
+        updateLockScreenTimeout();
+        updateEdgeGestureListenerState();
+        return changes;
+    }
+
+    /**
+     * Updates the occluded state of the Keyguard.
+     *
+     * @return Whether the flags have changed and we have to redo the layout.
+     */
+    private boolean setKeyguardOccludedLw(boolean isOccluded) {
+        boolean wasOccluded = mKeyguardOccluded;
+        boolean showing = mKeyguardDelegate.isShowing();
+        if (wasOccluded && !isOccluded && showing) {
+            mKeyguardOccluded = false;
+            mKeyguardDelegate.setOccluded(false);
+            mStatusBar.getAttrs().privateFlags |= PRIVATE_FLAG_KEYGUARD;
+            mStatusBar.getAttrs().flags |= FLAG_SHOW_WALLPAPER;
+            return true;
+        } else if (!wasOccluded && isOccluded && showing) {
+            mKeyguardOccluded = true;
+            mKeyguardDelegate.setOccluded(true);
+            mStatusBar.getAttrs().privateFlags &= ~PRIVATE_FLAG_KEYGUARD;
+            mStatusBar.getAttrs().flags &= ~FLAG_SHOW_WALLPAPER;
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    private boolean isStatusBarKeyguard() {
+        return mStatusBar != null
+                && (mStatusBar.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
+    }
+
+    @Override
+    public boolean allowAppAnimationsLw() {
+        if (isStatusBarKeyguard() || mShowingDream) {
+            // If keyguard or dreams is currently visible, no reason to animate behind it.
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public int focusChangedLw(WindowState lastFocus, WindowState newFocus) {
+        mFocusedWindow = newFocus;
+        if ((updateSystemUiVisibilityLw()&SYSTEM_UI_CHANGING_LAYOUT) != 0) {
+            // If the navigation bar has been hidden or shown, we need to do another
+            // layout pass to update that window.
+            return FINISH_LAYOUT_REDO_LAYOUT;
+        }
+        return 0;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) {
+        // lid changed state
+        final int newLidState = lidOpen ? LID_OPEN : LID_CLOSED;
+        if (newLidState == mLidState) {
+            return;
+        }
+
+        mLidState = newLidState;
+        applyLidSwitchState();
+        updateRotation(true);
+
+        if (lidOpen) {
+            wakeUp(SystemClock.uptimeMillis(), mAllowTheaterModeWakeFromLidSwitch);
+        } else if (!mLidControlsSleep) {
+            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
+        }
+    }
+
+    @Override
+    public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered) {
+        int lensCoverState = lensCovered ? CAMERA_LENS_COVERED : CAMERA_LENS_UNCOVERED;
+        if (mCameraLensCoverState == lensCoverState) {
+            return;
+        }
+        if (mCameraLensCoverState == CAMERA_LENS_COVERED &&
+                lensCoverState == CAMERA_LENS_UNCOVERED) {
+            Intent intent;
+            final boolean keyguardActive = mKeyguardDelegate == null ? false :
+                    mKeyguardDelegate.isShowing();
+            if (keyguardActive) {
+                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA_SECURE);
+            } else {
+                intent = new Intent(MediaStore.INTENT_ACTION_STILL_IMAGE_CAMERA);
+            }
+            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromCameraLens);
+            mContext.startActivityAsUser(intent, UserHandle.CURRENT_OR_SELF);
+        }
+        mCameraLensCoverState = lensCoverState;
+    }
+
+    void setHdmiPlugged(boolean plugged) {
+        if (mHdmiPlugged != plugged) {
+            mHdmiPlugged = plugged;
+            updateRotation(true, true);
+            Intent intent = new Intent(ACTION_HDMI_PLUGGED);
+            intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
+            intent.putExtra(EXTRA_HDMI_PLUGGED_STATE, plugged);
+            mContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
+        }
+    }
+
+    void initializeHdmiState() {
+        boolean plugged = false;
+        // watch for HDMI plug messages if the hdmi switch exists
+        if (new File("/sys/devices/virtual/switch/hdmi/state").exists()) {
+            mHDMIObserver.startObserving("DEVPATH=/devices/virtual/switch/hdmi");
+
+            final String filename = "/sys/class/switch/hdmi/state";
+            FileReader reader = null;
+            try {
+                reader = new FileReader(filename);
+                char[] buf = new char[15];
+                int n = reader.read(buf);
+                if (n > 1) {
+                    plugged = 0 != Integer.parseInt(new String(buf, 0, n-1));
+                }
+            } catch (IOException ex) {
+                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
+            } catch (NumberFormatException ex) {
+                Slog.w(TAG, "Couldn't read hdmi state from " + filename + ": " + ex);
+            } finally {
+                if (reader != null) {
+                    try {
+                        reader.close();
+                    } catch (IOException ex) {
+                    }
+                }
+            }
+        }
+        // This dance forces the code in setHdmiPlugged to run.
+        // Always do this so the sticky intent is stuck (to false) if there is no hdmi.
+        mHdmiPlugged = !plugged;
+        setHdmiPlugged(!mHdmiPlugged);
+    }
+
+    /**
+     * @return Whether music is being played right now "locally" (e.g. on the device's speakers
+     *    or wired headphones) or "remotely" (e.g. on a device using the Cast protocol and
+     *    controlled by this device, or through remote submix).
+     */
+    private boolean isMusicActive() {
+        final AudioManager am = (AudioManager)mContext.getSystemService(Context.AUDIO_SERVICE);
+        if (am == null) {
+            Log.w(TAG, "isMusicActive: couldn't get AudioManager reference");
+            return false;
+        }
+        return am.isMusicActive();
+    }
+
+    final Object mScreenshotLock = new Object();
+    ServiceConnection mScreenshotConnection = null;
+
+    final Runnable mScreenshotTimeout = new Runnable() {
+        @Override public void run() {
+            synchronized (mScreenshotLock) {
+                if (mScreenshotConnection != null) {
+                    mContext.unbindService(mScreenshotConnection);
+                    mScreenshotConnection = null;
+                }
+            }
+        }
+    };
+
+    // Assume this is called from the Handler thread.
+    private void takeScreenshot() {
+        synchronized (mScreenshotLock) {
+            if (mScreenshotConnection != null) {
+                return;
+            }
+            ComponentName cn = new ComponentName("com.android.systemui",
+                    "com.android.systemui.screenshot.TakeScreenshotService");
+            Intent intent = new Intent();
+            intent.setComponent(cn);
+            ServiceConnection conn = new ServiceConnection() {
+                @Override
+                public void onServiceConnected(ComponentName name, IBinder service) {
+                    synchronized (mScreenshotLock) {
+                        if (mScreenshotConnection != this) {
+                            return;
+                        }
+                        Messenger messenger = new Messenger(service);
+                        Message msg = Message.obtain(null, 1);
+                        final ServiceConnection myConn = this;
+                        Handler h = new Handler(mHandler.getLooper()) {
+                            @Override
+                            public void handleMessage(Message msg) {
+                                synchronized (mScreenshotLock) {
+                                    if (mScreenshotConnection == myConn) {
+                                        mContext.unbindService(mScreenshotConnection);
+                                        mScreenshotConnection = null;
+                                        mHandler.removeCallbacks(mScreenshotTimeout);
+                                    }
+                                }
+                            }
+                        };
+                        msg.replyTo = new Messenger(h);
+                        msg.arg1 = msg.arg2 = 0;
+                        if (mStatusBar != null && mStatusBar.isVisibleLw())
+                            msg.arg1 = 1;
+                        if (mNavigationBar != null && mNavigationBar.isVisibleLw())
+                            msg.arg2 = 1;
+                        try {
+                            messenger.send(msg);
+                        } catch (RemoteException e) {
+                        }
+                    }
+                }
+                @Override
+                public void onServiceDisconnected(ComponentName name) {}
+            };
+            if (mContext.bindServiceAsUser(
+                    intent, conn, Context.BIND_AUTO_CREATE, UserHandle.CURRENT)) {
+                mScreenshotConnection = conn;
+                mHandler.postDelayed(mScreenshotTimeout, 10000);
+            }
+        }
+    }
+
+    private final Runnable mQuickBootPowerLongPress = new Runnable() {
+
+        public void run() {
+
+            Intent intent = new Intent("org.codeaurora.action.QUICKBOOT");
+            intent.putExtra("mode", 1);
+            try {
+                mContext.startActivityAsUser(intent,UserHandle.CURRENT);
+            } catch (ActivityNotFoundException e) {
+                e.printStackTrace();
+                releaseQuickBootWakeLock();
+                return;
+            }
+
+            BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
+
+                public void onReceive(Context context, Intent intent) {
+
+                    synchronized (mQuickBootLock) {
+                        mQuickBootLock.notifyAll();
+                    }
+                }
+            };
+
+            IntentFilter filter = new IntentFilter("org.codeaurora.quickboot.poweron_start");
+            mContext.registerReceiver(broadcastReceiver,filter,
+                    "android.permission.DEVICE_POWER",null);
+
+            synchronized (mQuickBootLock) {
+                try {
+                    mQuickBootLock.wait(QUICKBOOT_LAUNCH_TIMEOUT);
+                } catch (InterruptedException e) {
+                    e.printStackTrace();
+                }
+            }
+
+            releaseQuickBootWakeLock();
+        }
+    };
+
+    private void acquireQuickBootWakeLock() {
+        if (!mQuickBootWakeLock.isHeld())  {
+            mQuickBootWakeLock.acquire();
+        }
+    }
+
+    private void releaseQuickBootWakeLock() {
+        if (mQuickBootWakeLock.isHeld()) {
+            mQuickBootWakeLock.release();
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
+        if (!mSystemBooted) {
+            // If we have not yet booted, don't let key events do anything.
+            return 0;
+        }
+
+        final boolean interactive = (policyFlags & FLAG_INTERACTIVE) != 0;
+        final boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
+        final boolean canceled = event.isCanceled();
+        final int keyCode = event.getKeyCode();
+        final int scanCode = event.getScanCode();
+
+        if (SystemProperties.getInt("sys.quickboot.enable", 0) == 1) {
+
+            if (keyCode == KeyEvent.KEYCODE_POWER && !interactive) {
+                if(down){
+                    acquireQuickBootWakeLock();
+                    mHandler.postDelayed(mQuickBootPowerLongPress, mLongPressPoweronTime);
+                } else {
+                    releaseQuickBootWakeLock();
+                    mHandler.removeCallbacks(mQuickBootPowerLongPress);
+                }
+            }
+            // ignore this event
+            return 0;
+        }
+
+        final boolean isInjected = (policyFlags & WindowManagerPolicy.FLAG_INJECTED) != 0;
+
+        // If screen is off then we treat the case where the keyguard is open but hidden
+        // the same as if it were open and in front.
+        // This will prevent any keys other than the power button from waking the screen
+        // when the keyguard is hidden by another activity.
+        final boolean keyguardActive = (mKeyguardDelegate == null ? false :
+                                            (interactive ?
+                                                isKeyguardShowingAndNotOccluded() :
+                                                mKeyguardDelegate.isShowing()));
+
+        if (DEBUG_INPUT) {
+            Log.d(TAG, "interceptKeyTq keycode=" + keyCode
+                    + " interactive=" + interactive + " keyguardActive=" + keyguardActive
+                    + " policyFlags=" + Integer.toHexString(policyFlags));
+        }
+
+        // Basic policy based on interactive state.
+        int result;
+        boolean isWakeKey = (policyFlags & WindowManagerPolicy.FLAG_WAKE) != 0
+                || event.isWakeKey();
+        if (interactive || (isInjected && !isWakeKey)) {
+            // When the device is interactive or the key is injected pass the
+            // key to the application.
+            result = ACTION_PASS_TO_USER;
+            isWakeKey = false;
+        } else if (!interactive && shouldDispatchInputWhenNonInteractive()) {
+            // If we're currently dozing with the screen on and the keyguard showing, pass the key
+            // to the application but preserve its wake key status to make sure we still move
+            // from dozing to fully interactive if we would normally go from off to fully
+            // interactive, unless the user has explicitly disabled this wake key.
+            result = ACTION_PASS_TO_USER;
+            isWakeKey = isWakeKey && isWakeKeyEnabled(keyCode);
+        } else {
+            // When the screen is off and the key is not injected, determine whether
+            // to wake the device but don't pass the key to the application.
+            result = 0;
+            if (isWakeKey && (!down || !isWakeKeyWhenScreenOff(keyCode))) {
+                isWakeKey = false;
+            }
+        }
+
+        // If the key would be handled globally, just return the result, don't worry about special
+        // key processing.
+        if (isValidGlobalKey(keyCode)
+                && mGlobalKeyManager.shouldHandleGlobalKey(keyCode, event)) {
+            if (isWakeKey) {
+                wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey);
+            }
+            return result;
+        }
+
+        boolean useHapticFeedback = down
+                && (policyFlags & WindowManagerPolicy.FLAG_VIRTUAL) != 0
+                && event.getRepeatCount() == 0;
+
+        // Specific device key handling
+        if (mDeviceKeyHandler != null) {
+            try {
+                // The device only should consume known keys.
+                if (mDeviceKeyHandler.handleKeyEvent(event)) {
+                    return 0;
+                }
+            } catch (Exception e) {
+                Slog.w(TAG, "Could not dispatch event to device key handler", e);
+            }
+        }
+
+        // Handle special keys.
+        switch (keyCode) {
+            case KeyEvent.KEYCODE_VOLUME_DOWN:
+            case KeyEvent.KEYCODE_VOLUME_UP:
+            case KeyEvent.KEYCODE_VOLUME_MUTE: {
+                // Eat all down & up keys when using volume wake.
+                // This disables volume control, music control, and "beep" on key up.
+                if (isWakeKey && mVolumeWakeScreen) {
+                    mVolumeWakeTriggered = true;
+                    break;
+                } else if (mVolumeWakeTriggered && !down) {
+                    result &= ~ACTION_PASS_TO_USER;
+                    mVolumeWakeTriggered = false;
+                    break;
+                }
+
+                if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {
+                    if (down) {
+                        if (interactive && !mScreenshotChordVolumeDownKeyTriggered
+                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
+                            mScreenshotChordVolumeDownKeyTriggered = true;
+                            mScreenshotChordVolumeDownKeyTime = event.getDownTime();
+                            mScreenshotChordVolumeDownKeyConsumed = false;
+                            cancelPendingPowerKeyAction();
+                            interceptScreenshotChord();
+                        }
+                    } else {
+                        mScreenshotChordVolumeDownKeyTriggered = false;
+                        cancelPendingScreenshotChordAction();
+                    }
+                } else if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
+                    if (down) {
+                        if (interactive && !mScreenshotChordVolumeUpKeyTriggered
+                                && (event.getFlags() & KeyEvent.FLAG_FALLBACK) == 0) {
+                            mVolumeUpKeyTriggered = true;
+                            mVolumeUpKeyTime = event.getDownTime();
+                            mVolumeUpKeyConsumedByScreenshotChord = false;
+                            mScreenshotChordVolumeUpKeyTriggered = true;
+                            cancelPendingPowerKeyAction();
+                            interceptScreenshotLog();
+                        }
+                    } else {
+                        mScreenshotChordVolumeUpKeyTriggered = false;
+                        cancelPendingScreenshotChordAction();
+                    }
+                }
+                if (down) {
+                    TelecomManager telecomManager = getTelecommService();
+                    if (telecomManager != null) {
+                        if (telecomManager.isRinging()) {
+                            // If an incoming call is ringing, either VOLUME key means
+                            // "silence ringer".  We handle these keys here, rather than
+                            // in the InCallScreen, to make sure we'll respond to them
+                            // even if the InCallScreen hasn't come to the foreground yet.
+                            // Look for the DOWN event here, to agree with the "fallback"
+                            // behavior in the InCallScreen.
+                            Log.i(TAG, "interceptKeyBeforeQueueing:"
+                                  + " VOLUME key-down while ringing: Silence ringer!");
+
+                            // Silence the ringer.  (It's safe to call this
+                            // even if the ringer has already been silenced.)
+                            telecomManager.silenceRinger();
+
+                            // And *don't* pass this key thru to the current activity
+                            // (which is probably the InCallScreen.)
+                            result &= ~ACTION_PASS_TO_USER;
+                            break;
+                        }
+                        if (telecomManager.isInCall()
+                                && (result & ACTION_PASS_TO_USER) == 0) {
+                            // If we are in call but we decided not to pass the key to
+                            // the application, just pass it to the session service.
+
+                            MediaSessionLegacyHelper.getHelper(mContext)
+                                    .sendVolumeKeyEvent(event, false);
+                            break;
+                        }
+                    }
+                }
+
+                if ((result & ACTION_PASS_TO_USER) == 0) {
+                    boolean mayChangeVolume = false;
+
+                    if (isMusicActive()) {
+                        if (mVolBtnMusicControls) {
+                            // Detect long key presses.
+                            if (down) {
+                                mIsLongPress = false;
+                                // Map MUTE key to MEDIA_PLAY_PAUSE
+                                int newKeyCode = KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE;
+                                switch (keyCode) {
+                                    case KeyEvent.KEYCODE_VOLUME_DOWN:
+                                        newKeyCode = KeyEvent.KEYCODE_MEDIA_PREVIOUS;
+                                        break;
+                                    case KeyEvent.KEYCODE_VOLUME_UP:
+                                        newKeyCode = KeyEvent.KEYCODE_MEDIA_NEXT;
+                                        break;
+                                }
+                                scheduleLongPressKeyEvent(event, newKeyCode);
+                                // Consume key down events of all presses.
+                                break;
+                            } else {
+                                mHandler.removeMessages(MSG_DISPATCH_VOLKEY_WITH_WAKE_LOCK);
+                                // Consume key up events of long presses only.
+                                if (mIsLongPress) {
+                                    break;
+                                }
+                                // Change volume only on key up events of short presses.
+                                mayChangeVolume = true;
+                            }
+                        } else {
+                            // Long key press detection not applicable, change volume only
+                            // on key down events
+                            mayChangeVolume = down;
+                        }
+                    }
+
+                    if (mayChangeVolume) {
+                        // If we aren't passing to the user and no one else
+                        // handled it send it to the session manager to figure
+                        // out.
+
+                        // Rewrite the event to use key-down as sendVolumeKeyEvent will
+                        // only change the volume on key down.
+                        KeyEvent newEvent = new KeyEvent(KeyEvent.ACTION_DOWN, keyCode);
+                        MediaSessionLegacyHelper.getHelper(mContext)
+                                .sendVolumeKeyEvent(newEvent, true);
+                    }
+                    break;
+                }
+                break;
+            }
+
+            case KeyEvent.KEYCODE_HOME:
+                if (down && !interactive && mHomeWakeScreen) {
+                    isWakeKey = true;
+                }
+                break;
+
+            case KeyEvent.KEYCODE_ENDCALL: {
+                result &= ~ACTION_PASS_TO_USER;
+                if (down) {
+                    TelecomManager telecomManager = getTelecommService();
+                    boolean hungUp = false;
+                    if (telecomManager != null) {
+                        hungUp = telecomManager.endCall();
+                    }
+                    if (interactive && !hungUp) {
+                        mEndCallKeyHandled = false;
+                        mHandler.postDelayed(mEndCallLongPress,
+                                ViewConfiguration.get(mContext).getDeviceGlobalActionKeyTimeout());
+                    } else {
+                        mEndCallKeyHandled = true;
+                    }
+                } else {
+                    if (!mEndCallKeyHandled) {
+                        mHandler.removeCallbacks(mEndCallLongPress);
+                        if (!canceled) {
+                            if ((mEndcallBehavior
+                                    & Settings.System.END_BUTTON_BEHAVIOR_HOME) != 0) {
+                                if (goHome()) {
+                                    break;
+                                }
+                            }
+                            if ((mEndcallBehavior
+                                    & Settings.System.END_BUTTON_BEHAVIOR_SLEEP) != 0) {
+                                mPowerManager.goToSleep(event.getEventTime(),
+                                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
+                                isWakeKey = false;
+                            }
+                        }
+                    }
+                }
+                break;
+            }
+
+            case KeyEvent.KEYCODE_POWER: {
+                if (mTopFullscreenOpaqueWindowState != null &&
+                        (mTopFullscreenOpaqueWindowState.getAttrs().privateFlags
+                        & WindowManager.LayoutParams.PRIVATE_FLAG_PREVENT_POWER_KEY) != 0
+                        && mScreenOnFully){
+                    return result;
+                }
+                result &= ~ACTION_PASS_TO_USER;
+                isWakeKey = false; // wake-up will be handled separately
+                if (down) {
+                    interceptPowerKeyDown(event, interactive);
+                } else {
+                    interceptPowerKeyUp(event, interactive, canceled);
+                }
+                break;
+            }
+
+            case KeyEvent.KEYCODE_SLEEP: {
+                result &= ~ACTION_PASS_TO_USER;
+                if (!mPowerManager.isInteractive()) {
+                    useHapticFeedback = false; // suppress feedback if already non-interactive
+                }
+                mPowerManager.goToSleep(event.getEventTime(),
+                        PowerManager.GO_TO_SLEEP_REASON_POWER_BUTTON, 0);
+                isWakeKey = false;
+                break;
+            }
+
+            case KeyEvent.KEYCODE_WAKEUP: {
+                result &= ~ACTION_PASS_TO_USER;
+                isWakeKey = true;
+                break;
+            }
+
+            case KeyEvent.KEYCODE_MEDIA_PLAY:
+            case KeyEvent.KEYCODE_MEDIA_PAUSE:
+            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
+            case KeyEvent.KEYCODE_HEADSETHOOK:
+            case KeyEvent.KEYCODE_MUTE:
+            case KeyEvent.KEYCODE_MEDIA_STOP:
+            case KeyEvent.KEYCODE_MEDIA_NEXT:
+            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
+            case KeyEvent.KEYCODE_MEDIA_REWIND:
+            case KeyEvent.KEYCODE_MEDIA_RECORD:
+            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
+            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK: {
+                if (MediaSessionLegacyHelper.getHelper(mContext).isGlobalPriorityActive()) {
+                    // If the global session is active pass all media keys to it
+                    // instead of the active window.
+                    result &= ~ACTION_PASS_TO_USER;
+                }
+                if ((result & ACTION_PASS_TO_USER) == 0) {
+                    // Only do this if we would otherwise not pass it to the user. In that
+                    // case, the PhoneWindow class will do the same thing, except it will
+                    // only do it if the showing app doesn't process the key on its own.
+                    // Note that we need to make a copy of the key event here because the
+                    // original key event will be recycled when we return.
+                    mBroadcastWakeLock.acquire();
+                    Message msg = mHandler.obtainMessage(MSG_DISPATCH_MEDIA_KEY_WITH_WAKE_LOCK,
+                            new KeyEvent(event));
+                    msg.setAsynchronous(true);
+                    msg.sendToTarget();
+                }
+                break;
+            }
+
+            case KeyEvent.KEYCODE_CALL: {
+                if (down) {
+                    TelecomManager telecomManager = getTelecommService();
+                    if (telecomManager != null) {
+                        if (telecomManager.isRinging()) {
+                            Log.i(TAG, "interceptKeyBeforeQueueing:"
+                                  + " CALL key-down while ringing: Answer the call!");
+                            telecomManager.acceptRingingCall();
+
+                            // And *don't* pass this key thru to the current activity
+                            // (which is presumably the InCallScreen.)
+                            result &= ~ACTION_PASS_TO_USER;
+                        }
+                    }
+                }
+                break;
+            }
+            case KeyEvent.KEYCODE_VOICE_ASSIST: {
+                // Only do this if we would otherwise not pass it to the user. In that case,
+                // interceptKeyBeforeDispatching would apply a similar but different policy in
+                // order to invoke voice assist actions. Note that we need to make a copy of the
+                // key event here because the original key event will be recycled when we return.
+                if ((result & ACTION_PASS_TO_USER) == 0 && !down) {
+                    mBroadcastWakeLock.acquire();
+                    Message msg = mHandler.obtainMessage(MSG_LAUNCH_VOICE_ASSIST_WITH_WAKE_LOCK,
+                            keyguardActive ? 1 : 0, 0);
+                    msg.setAsynchronous(true);
+                    msg.sendToTarget();
+                }
+            }
+        }
+
+        if (useHapticFeedback) {
+            performHapticFeedbackLw(null, HapticFeedbackConstants.VIRTUAL_KEY, false);
+        }
+
+        if (isWakeKey) {
+            wakeUp(event.getEventTime(), mAllowTheaterModeWakeFromKey);
+        }
+
+        return result;
+    }
+
+    private void scheduleLongPressKeyEvent(KeyEvent origEvent, int keyCode) {
+        KeyEvent event = new KeyEvent(origEvent.getDownTime(), origEvent.getEventTime(),
+                origEvent.getAction(), keyCode, 0);
+        Message msg = mHandler.obtainMessage(MSG_DISPATCH_VOLKEY_WITH_WAKE_LOCK, event);
+        msg.setAsynchronous(true);
+        mHandler.sendMessageDelayed(msg, ViewConfiguration.getLongPressTimeout());
+    }
+
+    /**
+     * Returns true if the key can have global actions attached to it.
+     * We reserve all power management keys for the system since they require
+     * very careful handling.
+     */
+    private static boolean isValidGlobalKey(int keyCode) {
+        switch (keyCode) {
+            case KeyEvent.KEYCODE_POWER:
+            case KeyEvent.KEYCODE_WAKEUP:
+            case KeyEvent.KEYCODE_SLEEP:
+                return false;
+            default:
+                return true;
+        }
+    }
+
+    /**
+     * Check if the given keyCode represents a key that is considered a wake key
+     * and is currently enabled by the user in Settings or for another reason.
+     */
+    private boolean isWakeKeyEnabled(int keyCode) {
+        switch (keyCode) {
+            case KeyEvent.KEYCODE_VOLUME_UP:
+            case KeyEvent.KEYCODE_VOLUME_DOWN:
+            case KeyEvent.KEYCODE_VOLUME_MUTE:
+                // Volume keys are still wake keys if the device is docked.
+                return mVolumeWakeScreen || mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
+            case KeyEvent.KEYCODE_BACK:
+                return mBackWakeScreen;
+            case KeyEvent.KEYCODE_MENU:
+                return mMenuWakeScreen;
+            case KeyEvent.KEYCODE_ASSIST:
+                return mAssistWakeScreen;
+            case KeyEvent.KEYCODE_APP_SWITCH:
+                return mAppSwitchWakeScreen;
+        }
+        return true;
+    }
+
+    /**
+     * When the screen is off we ignore some keys that might otherwise typically
+     * be considered wake keys.  We filter them out here.
+     *
+     * {@link KeyEvent#KEYCODE_POWER} is notably absent from this list because it
+     * is always considered a wake key.
+     */
+    private boolean isWakeKeyWhenScreenOff(int keyCode) {
+        switch (keyCode) {
+            // ignore volume keys unless docked
+            case KeyEvent.KEYCODE_VOLUME_UP:
+            case KeyEvent.KEYCODE_VOLUME_DOWN:
+            case KeyEvent.KEYCODE_VOLUME_MUTE:
+                return mVolumeWakeScreen || mDockMode != Intent.EXTRA_DOCK_STATE_UNDOCKED;
+
+            // ignore media and camera keys
+            case KeyEvent.KEYCODE_MUTE:
+            case KeyEvent.KEYCODE_HEADSETHOOK:
+            case KeyEvent.KEYCODE_MEDIA_PLAY:
+            case KeyEvent.KEYCODE_MEDIA_PAUSE:
+            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
+            case KeyEvent.KEYCODE_MEDIA_STOP:
+            case KeyEvent.KEYCODE_MEDIA_NEXT:
+            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
+            case KeyEvent.KEYCODE_MEDIA_REWIND:
+            case KeyEvent.KEYCODE_MEDIA_RECORD:
+            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
+            case KeyEvent.KEYCODE_MEDIA_AUDIO_TRACK:
+            case KeyEvent.KEYCODE_CAMERA:
+            case KeyEvent.KEYCODE_FOCUS:
+                return false;
+
+            case KeyEvent.KEYCODE_BACK:
+                return mBackWakeScreen;
+            case KeyEvent.KEYCODE_MENU:
+                return mMenuWakeScreen;
+            case KeyEvent.KEYCODE_ASSIST:
+                return mAssistWakeScreen;
+            case KeyEvent.KEYCODE_APP_SWITCH:
+                return mAppSwitchWakeScreen;
+        }
+        return true;
+    }
+
+
+    /** {@inheritDoc} */
+    @Override
+    public int interceptMotionBeforeQueueingNonInteractive(long whenNanos, int policyFlags) {
+        if ((policyFlags & FLAG_WAKE) != 0) {
+            if (wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotion)) {
+                return 0;
+            }
+        }
+
+        if (shouldDispatchInputWhenNonInteractive()) {
+            return ACTION_PASS_TO_USER;
+        }
+
+        // If we have not passed the action up and we are in theater mode without dreaming,
+        // there will be no dream to intercept the touch and wake into ambient.  The device should
+        // wake up in this case.
+        if (isTheaterModeEnabled() && (policyFlags & FLAG_WAKE) != 0) {
+            wakeUp(whenNanos / 1000000, mAllowTheaterModeWakeFromMotionWhenNotDreaming);
+        }
+
+        return 0;
+    }
+
+    private boolean shouldDispatchInputWhenNonInteractive() {
+        // Send events to keyguard while the screen is on.
+        if (isKeyguardShowingAndNotOccluded() && mDisplay != null
+                && mDisplay.getState() != Display.STATE_OFF) {
+            return true;
+        }
+
+        // Send events to a dozing dream even if the screen is off since the dream
+        // is in control of the state of the screen.
+        IDreamManager dreamManager = getDreamManager();
+
+        try {
+            if (dreamManager != null && dreamManager.isDreaming()) {
+                return true;
+            }
+        } catch (RemoteException e) {
+            Slog.e(TAG, "RemoteException when checking if dreaming", e);
+        }
+
+        // Otherwise, consume events since the user can't see what is being
+        // interacted with.
+        return false;
+    }
+
+    void dispatchMediaKeyWithWakeLock(KeyEvent event) {
+        if (DEBUG_INPUT) {
+            Slog.d(TAG, "dispatchMediaKeyWithWakeLock: " + event);
+        }
+
+        if (mHavePendingMediaKeyRepeatWithWakeLock) {
+            if (DEBUG_INPUT) {
+                Slog.d(TAG, "dispatchMediaKeyWithWakeLock: canceled repeat");
+            }
+
+            mHandler.removeMessages(MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK);
+            mHavePendingMediaKeyRepeatWithWakeLock = false;
+            mBroadcastWakeLock.release(); // pending repeat was holding onto the wake lock
+        }
+
+        dispatchMediaKeyWithWakeLockToAudioService(event);
+
+        if (event.getAction() == KeyEvent.ACTION_DOWN
+                && event.getRepeatCount() == 0) {
+            mHavePendingMediaKeyRepeatWithWakeLock = true;
+
+            Message msg = mHandler.obtainMessage(
+                    MSG_DISPATCH_MEDIA_KEY_REPEAT_WITH_WAKE_LOCK, event);
+            msg.setAsynchronous(true);
+            mHandler.sendMessageDelayed(msg, ViewConfiguration.getKeyRepeatTimeout());
+        } else {
+            mBroadcastWakeLock.release();
+        }
+    }
+
+    void dispatchMediaKeyRepeatWithWakeLock(KeyEvent event) {
+        mHavePendingMediaKeyRepeatWithWakeLock = false;
+
+        KeyEvent repeatEvent = KeyEvent.changeTimeRepeat(event,
+                SystemClock.uptimeMillis(), 1, event.getFlags() | KeyEvent.FLAG_LONG_PRESS);
+        if (DEBUG_INPUT) {
+            Slog.d(TAG, "dispatchMediaKeyRepeatWithWakeLock: " + repeatEvent);
+        }
+
+        dispatchMediaKeyWithWakeLockToAudioService(repeatEvent);
+        mBroadcastWakeLock.release();
+    }
+
+    void dispatchMediaKeyWithWakeLockToAudioService(KeyEvent event) {
+        if (ActivityManagerNative.isSystemReady()) {
+            MediaSessionLegacyHelper.getHelper(mContext).sendMediaButtonEvent(event, true);
+        }
+    }
+
+    void launchVoiceAssistWithWakeLock(boolean keyguardActive) {
+        Intent voiceIntent =
+            new Intent(RecognizerIntent.ACTION_VOICE_SEARCH_HANDS_FREE);
+        voiceIntent.putExtra(RecognizerIntent.EXTRA_SECURE, keyguardActive);
+        mContext.startActivityAsUser(voiceIntent, UserHandle.CURRENT_OR_SELF);
+        mBroadcastWakeLock.release();
+    }
+
+    BroadcastReceiver mDockReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (Intent.ACTION_DOCK_EVENT.equals(intent.getAction())) {
+                mDockMode = intent.getIntExtra(Intent.EXTRA_DOCK_STATE,
+                        Intent.EXTRA_DOCK_STATE_UNDOCKED);
+            } else {
+                try {
+                    IUiModeManager uiModeService = IUiModeManager.Stub.asInterface(
+                            ServiceManager.getService(Context.UI_MODE_SERVICE));
+                    mUiMode = uiModeService.getCurrentModeType();
+                } catch (RemoteException e) {
+                }
+            }
+            updateRotation(true);
+            synchronized (mLock) {
+                updateOrientationListenerLp();
+            }
+        }
+    };
+
+    BroadcastReceiver mDreamReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (Intent.ACTION_DREAMING_STARTED.equals(intent.getAction())) {
+                if (mKeyguardDelegate != null) {
+                    mKeyguardDelegate.onDreamingStarted();
+                }
+            } else if (Intent.ACTION_DREAMING_STOPPED.equals(intent.getAction())) {
+                if (mKeyguardDelegate != null) {
+                    mKeyguardDelegate.onDreamingStopped();
+                }
+            }
+        }
+    };
+
+    BroadcastReceiver mMultiuserReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (Intent.ACTION_USER_SWITCHED.equals(intent.getAction())) {
+                // tickle the settings observer: this first ensures that we're
+                // observing the relevant settings for the newly-active user,
+                // and then updates our own bookkeeping based on the now-
+                // current user.
+                mSettingsObserver.onChange(false);
+
+                if (mGlobalActions != null) {
+                    mGlobalActions.updatePowerMenuActions();
+                }
+
+                // force a re-application of focused window sysui visibility.
+                // the window may never have been shown for this user
+                // e.g. the keyguard when going through the new-user setup flow
+                synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
+                    mLastSystemUiFlags = 0;
+                    updateSystemUiVisibilityLw();
+                }
+            }
+        }
+    };
+
+    private final Runnable mRequestTransientNav = new Runnable() {
+        @Override
+        public void run() {
+            requestTransientBars(mNavigationBar);
+        }
+    };
+
+    private void requestTransientBars(WindowState swipeTarget) {
+        synchronized (mWindowManagerFuncs.getWindowManagerLock()) {
+            if (!isUserSetupComplete()) {
+                // Swipe-up for navigation bar is disabled during setup
+                return;
+            }
+            boolean sb = mStatusBarController.checkShowTransientBarLw();
+            boolean nb = mNavigationBarController.checkShowTransientBarLw();
+            if (sb || nb) {
+                WindowState barTarget = sb ? mStatusBar : mNavigationBar;
+                if (sb ^ nb && barTarget != swipeTarget) {
+                    if (DEBUG) Slog.d(TAG, "Not showing transient bar, wrong swipe target");
+                    return;
+                }
+                if (sb) mStatusBarController.showTransient();
+                if (nb) mNavigationBarController.showTransient();
+                mImmersiveModeConfirmation.confirmCurrentPrompt();
+                updateSystemUiVisibilityLw();
+            }
+        }
+    }
+
+    BroadcastReceiver mWifiDisplayReceiver = new BroadcastReceiver() {
+        public void onReceive(Context context, Intent intent) {
+        String action = intent.getAction();
+            if (action.equals(ACTION_WIFI_DISPLAY_VIDEO)) {
+                int state = intent.getIntExtra("state", 0);
+                if(state == 1) {
+                    mWifiDisplayConnected = true;
+                } else {
+                    mWifiDisplayConnected = false;
+                }
+                mWifiDisplayCustomRotation =
+                        intent.getIntExtra("wfd_UIBC_rot", -1);
+                updateRotation(true);
+            }
+        }
+    };
+
+    private void disableQbCharger() {
+        if (SystemProperties.getInt("sys.quickboot.enable", 0) == 1) {
+            SystemProperties.set("sys.qbcharger.enable", "false");
+        }
+    }
+
+    // Called on the PowerManager's Notifier thread.
+    @Override
+    public void goingToSleep(int why) {
+        EventLog.writeEvent(70000, 0);
+        if (DEBUG_WAKEUP) Slog.i(TAG, "Going to sleep...");
+
+        // We must get this work done here because the power manager will drop
+        // the wake lock and let the system suspend once this function returns.
+        synchronized (mLock) {
+            mAwake = false;
+            mKeyguardDrawComplete = false;
+            updateWakeGestureListenerLp();
+            updateOrientationListenerLp();
+            updateLockScreenTimeout();
+        }
+
+        if (mKeyguardDelegate != null) {
+            mKeyguardDelegate.onScreenTurnedOff(why);
+        }
+    }
+
+    private void wakeUpFromPowerKey(long eventTime) {
+        wakeUp(eventTime, mAllowTheaterModeWakeFromPowerKey);
+    }
+
+    private boolean wakeUp(long wakeTime, boolean wakeInTheaterMode) {
+        if (!wakeInTheaterMode && isTheaterModeEnabled()) {
+            return false;
+        }
+
+        mPowerManager.wakeUp(wakeTime);
+        return true;
+    }
+
+    // Called on the PowerManager's Notifier thread.
+    @Override
+    public void wakingUp() {
+        EventLog.writeEvent(70000, 1);
+        if (DEBUG_WAKEUP) Slog.i(TAG, "Waking up...");
+
+        // To disable qbcharger process when screen turning on
+        disableQbCharger();
+
+        // Since goToSleep performs these functions synchronously, we must
+        // do the same here.  We cannot post this work to a handler because
+        // that might cause it to become reordered with respect to what
+        // may happen in a future call to goToSleep.
+        synchronized (mLock) {
+            mAwake = true;
+            mKeyguardDrawComplete = false;
+            if (mKeyguardDelegate != null) {
+                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
+                mHandler.sendEmptyMessageDelayed(MSG_KEYGUARD_DRAWN_TIMEOUT, 1000);
+            }
+
+            updateWakeGestureListenerLp();
+            updateOrientationListenerLp();
+            updateLockScreenTimeout();
+        }
+
+        if (mKeyguardDelegate != null) {
+            mKeyguardDelegate.onScreenTurnedOn(mKeyguardDelegateCallback);
+            // ... eventually calls finishKeyguardDrawn
+        } else {
+            if (DEBUG_WAKEUP) Slog.d(TAG, "null mKeyguardDelegate: setting mKeyguardDrawComplete.");
+            finishKeyguardDrawn();
+        }
+    }
+
+    private void finishKeyguardDrawn() {
+        synchronized (mLock) {
+            if (!mAwake || mKeyguardDrawComplete) {
+                return; // spurious
+            }
+
+            mKeyguardDrawComplete = true;
+            if (mKeyguardDelegate != null) {
+                mHandler.removeMessages(MSG_KEYGUARD_DRAWN_TIMEOUT);
+            }
+        }
+
+        finishScreenTurningOn();
+    }
+
+    // Called on the DisplayManager's DisplayPowerController thread.
+    @Override
+    public void screenTurnedOff() {
+        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turned off...");
+
+        synchronized (mLock) {
+            mScreenOnEarly = false;
+            mScreenOnFully = false;
+            mWindowManagerDrawComplete = false;
+            mScreenOnListener = null;
+            updateOrientationListenerLp();
+        }
+    }
+
+    // Called on the DisplayManager's DisplayPowerController thread.
+    @Override
+    public void screenTurningOn(final ScreenOnListener screenOnListener) {
+        if (DEBUG_WAKEUP) Slog.i(TAG, "Screen turning on...");
+
+        synchronized (mLock) {
+            mScreenOnEarly = true;
+            mScreenOnFully = false;
+            mWindowManagerDrawComplete = false;
+            mScreenOnListener = screenOnListener;
+            updateOrientationListenerLp();
+        }
+
+        mWindowManagerInternal.waitForAllWindowsDrawn(mWindowManagerDrawCallback,
+                WAITING_FOR_DRAWN_TIMEOUT);
+        // ... eventually calls finishWindowsDrawn
+    }
+
+    private void finishWindowsDrawn() {
+        synchronized (mLock) {
+            if (!mScreenOnEarly || mWindowManagerDrawComplete) {
+                return; // spurious
+            }
+
+            mWindowManagerDrawComplete = true;
+        }
+
+        finishScreenTurningOn();
+    }
+
+    private void finishScreenTurningOn() {
+        final ScreenOnListener listener;
+        final boolean enableScreen;
+        synchronized (mLock) {
+            if (DEBUG_WAKEUP) Slog.d(TAG,
+                    "finishScreenTurningOn: mAwake=" + mAwake
+                            + ", mScreenOnEarly=" + mScreenOnEarly
+                            + ", mScreenOnFully=" + mScreenOnFully
+                            + ", mKeyguardDrawComplete=" + mKeyguardDrawComplete
+                            + ", mWindowManagerDrawComplete=" + mWindowManagerDrawComplete);
+
+            if (mScreenOnFully || !mScreenOnEarly || !mWindowManagerDrawComplete
+                    || (mAwake && !mKeyguardDrawComplete)) {
+                return; // spurious or not ready yet
+            }
+
+            if (DEBUG_WAKEUP) Slog.i(TAG, "Finished screen turning on...");
+            listener = mScreenOnListener;
+            mScreenOnListener = null;
+            mScreenOnFully = true;
+
+            // Remember the first time we draw the keyguard so we know when we're done with
+            // the main part of booting and can enable the screen and hide boot messages.
+            if (!mKeyguardDrawnOnce && mAwake) {
+                mKeyguardDrawnOnce = true;
+                enableScreen = true;
+                if (mBootMessageNeedsHiding) {
+                    mBootMessageNeedsHiding = false;
+                    hideBootMessages();
+                }
+            } else {
+                enableScreen = false;
+            }
+        }
+
+        if (listener != null) {
+            listener.onScreenOn();
+        }
+
+        if (enableScreen) {
+            try {
+                mWindowManager.enableScreenIfNeeded();
+            } catch (RemoteException unhandled) {
+            }
+        }
+    }
+
+    private void handleHideBootMessage() {
+        synchronized (mLock) {
+            if (!mKeyguardDrawnOnce) {
+                mBootMessageNeedsHiding = true;
+                return; // keyguard hasn't drawn the first time yet, not done booting
+            }
+        }
+
+        if (mBootMsgDialog != null) {
+            if (DEBUG_WAKEUP) Slog.d(TAG, "handleHideBootMessage: dismissing");
+            mBootMsgDialog.dismiss();
+            mBootMsgDialog = null;
+        }
+    }
+
+    @Override
+    public boolean isScreenOn() {
+        return mScreenOnFully;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void enableKeyguard(boolean enabled) {
+        if (mKeyguardDelegate != null) {
+            mKeyguardDelegate.setKeyguardEnabled(enabled);
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void exitKeyguardSecurely(OnKeyguardExitResult callback) {
+        if (mKeyguardDelegate != null) {
+            mKeyguardDelegate.verifyUnlock(callback);
+        }
+    }
+
+    private boolean isKeyguardShowingAndNotOccluded() {
+        if (mKeyguardDelegate == null) return false;
+        return mKeyguardDelegate.isShowing() && !mKeyguardOccluded;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public boolean isKeyguardLocked() {
+        return keyguardOn();
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public boolean isKeyguardSecure() {
+        if (mKeyguardDelegate == null) return false;
+        return mKeyguardDelegate.isSecure();
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public boolean inKeyguardRestrictedKeyInputMode() {
+        if (mKeyguardDelegate == null) return false;
+        return mKeyguardDelegate.isInputRestricted();
+    }
+
+    @Override
+    public void dismissKeyguardLw() {
+        if (mKeyguardDelegate != null && mKeyguardDelegate.isShowing()) {
+            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.dismissKeyguardLw");
+            mHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    // ask the keyguard to prompt the user to authenticate if necessary
+                    mKeyguardDelegate.dismiss();
+                }
+            });
+        }
+    }
+
+    public void notifyActivityDrawnForKeyguardLw() {
+        if (mKeyguardDelegate != null) {
+            mHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    mKeyguardDelegate.onActivityDrawn();
+                }
+            });
+        }
+    }
+
+    @Override
+    public boolean isKeyguardDrawnLw() {
+        synchronized (mLock) {
+            return mKeyguardDrawnOnce;
+        }
+    }
+
+    @Override
+    public void startKeyguardExitAnimation(long startTime, long fadeoutDuration) {
+        if (mKeyguardDelegate != null) {
+            if (DEBUG_KEYGUARD) Slog.d(TAG, "PWM.startKeyguardExitAnimation");
+            mKeyguardDelegate.startKeyguardExitAnimation(startTime, fadeoutDuration);
+        }
+    }
+
+    void sendCloseSystemWindows() {
+        sendCloseSystemWindows(mContext, null);
+    }
+
+    void sendCloseSystemWindows(String reason) {
+        sendCloseSystemWindows(mContext, reason);
+    }
+
+    static void sendCloseSystemWindows(Context context, String reason) {
+        if (ActivityManagerNative.isSystemReady()) {
+            try {
+                ActivityManagerNative.getDefault().closeSystemDialogs(reason);
+            } catch (RemoteException e) {
+            }
+        }
+    }
+
+    @Override
+    public int rotationForOrientationLw(int orientation, int lastRotation) {
+        if (false) {
+            Slog.v(TAG, "rotationForOrientationLw(orient="
+                        + orientation + ", last=" + lastRotation
+                        + "); user=" + mUserRotation + " "
+                        + ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED)
+                            ? "USER_ROTATION_LOCKED" : "")
+                        );
+        }
+
+        if (mForceDefaultOrientation) {
+            return mPanelOrientation;
+        }
+
+        synchronized (mLock) {
+            int sensorRotation = mOrientationListener.getProposedRotation(); // may be -1
+            if (sensorRotation < 0) {
+                sensorRotation = lastRotation;
+            }
+
+            final int preferredRotation;
+            if ((mLidState == LID_OPEN && mLidOpenRotation >= 0)
+                    && !(mHasRemovableLid
+                            && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED)) {
+                // Ignore sensor when lid switch is open and rotation is forced
+                // and a removable lid was not undocked.
+                preferredRotation = mLidOpenRotation;
+            } else if (mDockMode == Intent.EXTRA_DOCK_STATE_CAR
+                    && (mCarDockEnablesAccelerometer || mCarDockRotation >= 0)) {
+                // Ignore sensor when in car dock unless explicitly enabled.
+                // This case can override the behavior of NOSENSOR, and can also
+                // enable 180 degree rotation while docked.
+                preferredRotation = mCarDockEnablesAccelerometer
+                        ? sensorRotation : mCarDockRotation;
+            } else if ((mDockMode == Intent.EXTRA_DOCK_STATE_DESK
+                    || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK
+                    || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK)
+                    && (mDeskDockEnablesAccelerometer || mDeskDockRotation >= 0)) {
+                // Ignore sensor when in desk dock unless explicitly enabled.
+                // This case can override the behavior of NOSENSOR, and can also
+                // enable 180 degree rotation while docked.
+                preferredRotation = mDeskDockEnablesAccelerometer
+                        ? sensorRotation : mDeskDockRotation;
+            } else if ((mHdmiPlugged || mWifiDisplayConnected) && mDemoHdmiRotationLock) {
+                // Ignore sensor when plugged into HDMI when demo HDMI rotation lock enabled.
+                // Note that the dock orientation overrides the HDMI orientation.
+                preferredRotation = mDemoHdmiRotation;
+            } else if ( mWifiDisplayConnected && (mWifiDisplayCustomRotation > -1)) {
+                // Ignore sensor when WFD is active and UIBC rotation is enabled
+                preferredRotation = mWifiDisplayCustomRotation;
+            } else if (mHdmiPlugged && mDockMode == Intent.EXTRA_DOCK_STATE_UNDOCKED
+                    && mUndockedHdmiRotation >= 0) {
+                // Ignore sensor when plugged into HDMI and an undocked orientation has
+                // been specified in the configuration (only for legacy devices without
+                // full multi-display support).
+                // Note that the dock orientation overrides the HDMI orientation.
+                preferredRotation = mUndockedHdmiRotation;
+            } else if (mDemoRotationLock) {
+                // Ignore sensor when demo rotation lock is enabled.
+                // Note that the dock orientation and HDMI rotation lock override this.
+                preferredRotation = mDemoRotation;
+            } else if (orientation == ActivityInfo.SCREEN_ORIENTATION_LOCKED) {
+                // Application just wants to remain locked in the last rotation.
+                preferredRotation = lastRotation;
+            } else if (!mSupportAutoRotation) {
+                // If we don't support auto-rotation then bail out here and ignore
+                // the sensor and any rotation lock settings.
+                preferredRotation = -1;
+            } else if ((mUserRotationMode == WindowManagerPolicy.USER_ROTATION_FREE
+                            && (orientation == ActivityInfo.SCREEN_ORIENTATION_USER
+                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED
+                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE
+                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT
+                                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_USER))
+                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR
+                    || orientation == ActivityInfo.SCREEN_ORIENTATION_FULL_SENSOR
+                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE
+                    || orientation == ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT) {
+                // Otherwise, use sensor only if requested by the application or enabled
+                // by default for USER or UNSPECIFIED modes.  Does not apply to NOSENSOR.
+                if (mAllowAllRotations < 0) {
+                    // Can't read this during init() because the context doesn't
+                    // have display metrics at that time so we cannot determine
+                    // tablet vs. phone then.
+                    mAllowAllRotations = mContext.getResources().getBoolean(
+                            com.android.internal.R.bool.config_allowAllRotations) ? 1 : 0;
+                }
+                // Rotation setting bitmask
+                // 1=0 2=90 4=180 8=270
+                boolean allowed = true;
+                if (mUserRotationAngles < 0) {
+                    // Not set by user so use these defaults
+                    mUserRotationAngles = mAllowAllRotations == 1 ?
+                            (1 | 2 | 4 | 8) : // All angles
+                                (1 | 2 | 8); // All except 180
+                }
+                switch (sensorRotation) {
+                    case Surface.ROTATION_0:
+                        allowed = (mUserRotationAngles & 1) != 0;
+                        break;
+                    case Surface.ROTATION_90:
+                        allowed = (mUserRotationAngles & 2) != 0;
+                        break;
+                    case Surface.ROTATION_180:
+                        allowed = (mUserRotationAngles & 4) != 0;
+                        break;
+                    case Surface.ROTATION_270:
+                        allowed = (mUserRotationAngles & 8) != 0;
+                        break;
+                }
+                if (allowed) {
+                    preferredRotation = sensorRotation;
+                } else {
+                    preferredRotation = lastRotation;
+                }
+            } else if (mUserRotationMode == WindowManagerPolicy.USER_ROTATION_LOCKED
+                    && orientation != ActivityInfo.SCREEN_ORIENTATION_NOSENSOR) {
+                // Apply rotation lock.  Does not apply to NOSENSOR.
+                // The idea is that the user rotation expresses a weak preference for the direction
+                // of gravity and as NOSENSOR is never affected by gravity, then neither should
+                // NOSENSOR be affected by rotation lock (although it will be affected by docks).
+                preferredRotation = mUserRotation;
+            } else {
+                // No overriding preference.
+                // We will do exactly what the application asked us to do.
+                preferredRotation = -1;
+            }
+
+            switch (orientation) {
+                case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
+                    // Return portrait unless overridden.
+                    if (isAnyPortrait(preferredRotation)) {
+                        return preferredRotation;
+                    }
+                    return mPortraitRotation;
+
+                case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
+                    // Return landscape unless overridden.
+                    if (isLandscapeOrSeascape(preferredRotation)) {
+                        return preferredRotation;
+                    }
+                    return mLandscapeRotation;
+
+                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
+                    // Return reverse portrait unless overridden.
+                    if (isAnyPortrait(preferredRotation)) {
+                        return preferredRotation;
+                    }
+                    return mUpsideDownRotation;
+
+                case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
+                    // Return seascape unless overridden.
+                    if (isLandscapeOrSeascape(preferredRotation)) {
+                        return preferredRotation;
+                    }
+                    return mSeascapeRotation;
+
+                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
+                case ActivityInfo.SCREEN_ORIENTATION_USER_LANDSCAPE:
+                    // Return either landscape rotation.
+                    if (isLandscapeOrSeascape(preferredRotation)) {
+                        return preferredRotation;
+                    }
+                    if (isLandscapeOrSeascape(lastRotation)) {
+                        return lastRotation;
+                    }
+                    return mLandscapeRotation;
+
+                case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
+                case ActivityInfo.SCREEN_ORIENTATION_USER_PORTRAIT:
+                    // Return either portrait rotation.
+                    if (isAnyPortrait(preferredRotation)) {
+                        return preferredRotation;
+                    }
+                    if (isAnyPortrait(lastRotation)) {
+                        return lastRotation;
+                    }
+                    return mPortraitRotation;
+                default:
+                    // For USER, UNSPECIFIED, NOSENSOR, SENSOR and FULL_SENSOR,
+                    // just return the preferred orientation we already calculated.
+                    if (preferredRotation >= 0) {
+                        return preferredRotation;
+                    }
+                    return mPanelOrientation;
+            }
+        }
+    }
+
+    @Override
+    public boolean rotationHasCompatibleMetricsLw(int orientation, int rotation) {
+        switch (orientation) {
+            case ActivityInfo.SCREEN_ORIENTATION_PORTRAIT:
+            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT:
+            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT:
+                return isAnyPortrait(rotation);
+
+            case ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE:
+            case ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE:
+            case ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE:
+                return isLandscapeOrSeascape(rotation);
+
+            default:
+                return true;
+        }
+    }
+
+    @Override
+    public void setRotationLw(int rotation) {
+        mOrientationListener.setCurrentRotation(rotation);
+    }
+
+    private boolean isLandscapeOrSeascape(int rotation) {
+        return rotation == mLandscapeRotation || rotation == mSeascapeRotation;
+    }
+
+    private boolean isAnyPortrait(int rotation) {
+        return rotation == mPortraitRotation || rotation == mUpsideDownRotation;
+    }
+
+    @Override
+    public int getUserRotationMode() {
+        return Settings.System.getIntForUser(mContext.getContentResolver(),
+                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT) != 0 ?
+                        WindowManagerPolicy.USER_ROTATION_FREE :
+                                WindowManagerPolicy.USER_ROTATION_LOCKED;
+    }
+
+    // User rotation: to be used when all else fails in assigning an orientation to the device
+    @Override
+    public void setUserRotationMode(int mode, int rot) {
+        ContentResolver res = mContext.getContentResolver();
+
+        // mUserRotationMode and mUserRotation will be assigned by the content observer
+        if (mode == WindowManagerPolicy.USER_ROTATION_LOCKED) {
+            Settings.System.putIntForUser(res,
+                    Settings.System.USER_ROTATION,
+                    rot,
+                    UserHandle.USER_CURRENT);
+            Settings.System.putIntForUser(res,
+                    Settings.System.ACCELEROMETER_ROTATION,
+                    0,
+                    UserHandle.USER_CURRENT);
+        } else {
+            Settings.System.putIntForUser(res,
+                    Settings.System.ACCELEROMETER_ROTATION,
+                    1,
+                    UserHandle.USER_CURRENT);
+        }
+    }
+
+    @Override
+    public void setSafeMode(boolean safeMode) {
+        mSafeMode = safeMode;
+        performHapticFeedbackLw(null, safeMode
+                ? HapticFeedbackConstants.SAFE_MODE_ENABLED
+                : HapticFeedbackConstants.SAFE_MODE_DISABLED, true);
+    }
+
+    static long[] getLongIntArray(Resources r, int resid) {
+        int[] ar = r.getIntArray(resid);
+        if (ar == null) {
+            return null;
+        }
+        long[] out = new long[ar.length];
+        for (int i=0; i<ar.length; i++) {
+            out[i] = ar[i];
+        }
+        return out;
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void systemReady() {
+        mKeyguardDelegate = new KeyguardServiceDelegate(mContext);
+        mKeyguardDelegate.onSystemReady();
+
+        mEdgeGestureManager = EdgeGestureManager.getInstance();
+        mEdgeGestureManager.setEdgeGestureActivationListener(mEdgeGestureActivationListener);
+
+        readCameraLensCoverState();
+        updateUiMode();
+        synchronized (mLock) {
+            updateOrientationListenerLp();
+            mSystemReady = true;
+            mHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    updateSettings();
+                }
+            });
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void systemBooted() {
+        if (mKeyguardDelegate != null) {
+            mKeyguardDelegate.bindService(mContext);
+            mKeyguardDelegate.onBootCompleted();
+        }
+        synchronized (mLock) {
+            mSystemBooted = true;
+        }
+        wakingUp();
+        screenTurningOn(null);
+    }
+
+    ProgressDialog mBootMsgDialog = null;
+
+    /** {@inheritDoc} */
+    @Override
+    public void showBootMessage(final CharSequence msg, final boolean always) {
+        mHandler.post(new Runnable() {
+            @Override public void run() {
+                if (mBootMsgDialog == null) {
+                    int theme;
+                    if (mContext.getPackageManager().hasSystemFeature(
+                            PackageManager.FEATURE_WATCH)) {
+                        theme = com.android.internal.R.style.Theme_Micro_Dialog_Alert;
+                    } else if (mContext.getPackageManager().hasSystemFeature(
+                            PackageManager.FEATURE_TELEVISION)) {
+                        theme = com.android.internal.R.style.Theme_Leanback_Dialog_Alert;
+                    } else {
+                        theme = 0;
+                    }
+
+                    mBootMsgDialog = new ProgressDialog(mContext, theme) {
+                        // This dialog will consume all events coming in to
+                        // it, to avoid it trying to do things too early in boot.
+                        @Override public boolean dispatchKeyEvent(KeyEvent event) {
+                            return true;
+                        }
+                        @Override public boolean dispatchKeyShortcutEvent(KeyEvent event) {
+                            return true;
+                        }
+                        @Override public boolean dispatchTouchEvent(MotionEvent ev) {
+                            return true;
+                        }
+                        @Override public boolean dispatchTrackballEvent(MotionEvent ev) {
+                            return true;
+                        }
+                        @Override public boolean dispatchGenericMotionEvent(MotionEvent ev) {
+                            return true;
+                        }
+                        @Override public boolean dispatchPopulateAccessibilityEvent(
+                                AccessibilityEvent event) {
+                            return true;
+                        }
+                    };
+                    if (mContext.getPackageManager().isUpgrade()) {
+                        mBootMsgDialog.setTitle(R.string.android_upgrading_title);
+                    } else {
+                        mBootMsgDialog.setTitle(R.string.android_start_title);
+                    }
+                    mBootMsgDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
+                    mBootMsgDialog.setIndeterminate(true);
+                    mBootMsgDialog.getWindow().setType(
+                            WindowManager.LayoutParams.TYPE_BOOT_PROGRESS);
+                    mBootMsgDialog.getWindow().addFlags(
+                            WindowManager.LayoutParams.FLAG_DIM_BEHIND
+                            | WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
+                    mBootMsgDialog.getWindow().setDimAmount(1);
+                    WindowManager.LayoutParams lp = mBootMsgDialog.getWindow().getAttributes();
+                    lp.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_NOSENSOR;
+                    mBootMsgDialog.getWindow().setAttributes(lp);
+                    mBootMsgDialog.setCancelable(false);
+                    mBootMsgDialog.show();
+                }
+                mBootMsgDialog.setMessage(msg);
+            }
+        });
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void hideBootMessages() {
+        mHandler.sendEmptyMessage(MSG_HIDE_BOOT_MESSAGE);
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void userActivity() {
+        // ***************************************
+        // NOTE NOTE NOTE NOTE NOTE NOTE NOTE NOTE
+        // ***************************************
+        // THIS IS CALLED FROM DEEP IN THE POWER MANAGER
+        // WITH ITS LOCKS HELD.
+        //
+        // This code must be VERY careful about the locks
+        // it acquires.
+        // In fact, the current code acquires way too many,
+        // and probably has lurking deadlocks.
+
+        synchronized (mScreenLockTimeout) {
+            if (mLockScreenTimerActive) {
+                // reset the timer
+                mHandler.removeCallbacks(mScreenLockTimeout);
+                mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
+            }
+        }
+    }
+
+    class ScreenLockTimeout implements Runnable {
+        Bundle options;
+
+        @Override
+        public void run() {
+            synchronized (this) {
+                if (localLOGV) Log.v(TAG, "mScreenLockTimeout activating keyguard");
+                if (mKeyguardDelegate != null) {
+                    mKeyguardDelegate.doKeyguardTimeout(options);
+                }
+                mLockScreenTimerActive = false;
+                options = null;
+            }
+        }
+
+        public void setLockOptions(Bundle options) {
+            this.options = options;
+        }
+    }
+
+    ScreenLockTimeout mScreenLockTimeout = new ScreenLockTimeout();
+
+    @Override
+    public void lockNow(Bundle options) {
+        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER, null);
+        mHandler.removeCallbacks(mScreenLockTimeout);
+        if (options != null) {
+            // In case multiple calls are made to lockNow, we don't wipe out the options
+            // until the runnable actually executes.
+            mScreenLockTimeout.setLockOptions(options);
+        }
+        mHandler.post(mScreenLockTimeout);
+    }
+
+    private void updateLockScreenTimeout() {
+        synchronized (mScreenLockTimeout) {
+            boolean enable = (mAllowLockscreenWhenOn && mAwake &&
+                    mKeyguardDelegate != null && mKeyguardDelegate.isSecure());
+            if (mLockScreenTimerActive != enable) {
+                if (enable) {
+                    if (localLOGV) Log.v(TAG, "setting lockscreen timer");
+                    mHandler.postDelayed(mScreenLockTimeout, mLockScreenTimeout);
+                } else {
+                    if (localLOGV) Log.v(TAG, "clearing lockscreen timer");
+                    mHandler.removeCallbacks(mScreenLockTimeout);
+                }
+                mLockScreenTimerActive = enable;
+            }
+        }
+    }
+
+    /** {@inheritDoc} */
+    @Override
+    public void enableScreenAfterBoot() {
+        readLidState();
+        applyLidSwitchState();
+        updateRotation(true);
+    }
+
+    private void applyLidSwitchState() {
+        mPowerManager.setKeyboardVisibility(isBuiltInKeyboardVisible());
+
+        if (mLidState == LID_CLOSED && mLidControlsSleep) {
+            mPowerManager.goToSleep(SystemClock.uptimeMillis(),
+                    PowerManager.GO_TO_SLEEP_REASON_LID_SWITCH,
+                    PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
+        }
+
+        synchronized (mLock) {
+            updateWakeGestureListenerLp();
+        }
+    }
+
+    void updateUiMode() {
+        if (mUiModeManager == null) {
+            mUiModeManager = IUiModeManager.Stub.asInterface(
+                    ServiceManager.getService(Context.UI_MODE_SERVICE));
+        }
+        try {
+            mUiMode = mUiModeManager.getCurrentModeType();
+        } catch (RemoteException e) {
+        }
+    }
+
+    void updateRotation(boolean alwaysSendConfiguration) {
+        try {
+            //set orientation on WindowManager
+            mWindowManager.updateRotation(alwaysSendConfiguration, false);
+        } catch (RemoteException e) {
+            // Ignore
+        }
+    }
+
+    void updateRotation(boolean alwaysSendConfiguration, boolean forceRelayout) {
+        try {
+            //set orientation on WindowManager
+            mWindowManager.updateRotation(alwaysSendConfiguration, forceRelayout);
+        } catch (RemoteException e) {
+            // Ignore
+        }
+    }
+
+    /**
+     * Return an Intent to launch the currently active dock app as home.  Returns
+     * null if the standard home should be launched, which is the case if any of the following is
+     * true:
+     * <ul>
+     *  <li>The device is not in either car mode or desk mode
+     *  <li>The device is in car mode but ENABLE_CAR_DOCK_HOME_CAPTURE is false
+     *  <li>The device is in desk mode but ENABLE_DESK_DOCK_HOME_CAPTURE is false
+     *  <li>The device is in car mode but there's no CAR_DOCK app with METADATA_DOCK_HOME
+     *  <li>The device is in desk mode but there's no DESK_DOCK app with METADATA_DOCK_HOME
+     * </ul>
+     * @return A dock intent.
+     */
+    Intent createHomeDockIntent() {
+        Intent intent = null;
+
+        // What home does is based on the mode, not the dock state.  That
+        // is, when in car mode you should be taken to car home regardless
+        // of whether we are actually in a car dock.
+        if (mUiMode == Configuration.UI_MODE_TYPE_CAR) {
+            if (ENABLE_CAR_DOCK_HOME_CAPTURE) {
+                intent = mCarDockIntent;
+            }
+        } else if (mUiMode == Configuration.UI_MODE_TYPE_DESK) {
+            if (ENABLE_DESK_DOCK_HOME_CAPTURE) {
+                intent = mDeskDockIntent;
+            }
+        } else if (mUiMode == Configuration.UI_MODE_TYPE_WATCH
+                && (mDockMode == Intent.EXTRA_DOCK_STATE_DESK
+                        || mDockMode == Intent.EXTRA_DOCK_STATE_HE_DESK
+                        || mDockMode == Intent.EXTRA_DOCK_STATE_LE_DESK)) {
+            // Always launch dock home from home when watch is docked, if it exists.
+            intent = mDeskDockIntent;
+        }
+
+        if (intent == null) {
+            return null;
+        }
+
+        ActivityInfo ai = null;
+        ResolveInfo info = mContext.getPackageManager().resolveActivityAsUser(
+                intent,
+                PackageManager.MATCH_DEFAULT_ONLY | PackageManager.GET_META_DATA,
+                mCurrentUserId);
+        if (info != null) {
+            ai = info.activityInfo;
+        }
+        if (ai != null
+                && ai.metaData != null
+                && ai.metaData.getBoolean(Intent.METADATA_DOCK_HOME)) {
+            intent = new Intent(intent);
+            intent.setClassName(ai.packageName, ai.name);
+            return intent;
+        }
+
+        return null;
+    }
+
+    void startDockOrHome() {
+        awakenDreams();
+
+        Intent dock = createHomeDockIntent();
+        if (dock != null) {
+            try {
+                mContext.startActivityAsUser(dock, UserHandle.CURRENT);
+                return;
+            } catch (ActivityNotFoundException e) {
+            }
+        }
+
+        mContext.startActivityAsUser(mHomeIntent, UserHandle.CURRENT);
+    }
+
+    /**
+     * goes to the home screen
+     * @return whether it did anything
+     */
+    boolean goHome() {
+        if (false) {
+            // This code always brings home to the front.
+            try {
+                ActivityManagerNative.getDefault().stopAppSwitches();
+            } catch (RemoteException e) {
+            }
+            sendCloseSystemWindows();
+            startDockOrHome();
+        } else {
+            // This code brings home to the front or, if it is already
+            // at the front, puts the device to sleep.
+            try {
+                if (SystemProperties.getInt("persist.sys.uts-test-mode", 0) == 1) {
+                    /// Roll back EndcallBehavior as the cupcake design to pass P1 lab entry.
+                    Log.d(TAG, "UTS-TEST-MODE");
+                } else {
+                    ActivityManagerNative.getDefault().stopAppSwitches();
+                    sendCloseSystemWindows();
+                    Intent dock = createHomeDockIntent();
+                    if (dock != null) {
+                        int result = ActivityManagerNative.getDefault()
+                                .startActivityAsUser(null, null, dock,
+                                        dock.resolveTypeIfNeeded(mContext.getContentResolver()),
+                                        null, null, 0,
+                                        ActivityManager.START_FLAG_ONLY_IF_NEEDED,
+                                        null, null, UserHandle.USER_CURRENT);
+                        if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
+                            return false;
+                        }
+                    }
+                }
+                int result = ActivityManagerNative.getDefault()
+                        .startActivityAsUser(null, null, mHomeIntent,
+                                mHomeIntent.resolveTypeIfNeeded(mContext.getContentResolver()),
+                                null, null, 0,
+                                ActivityManager.START_FLAG_ONLY_IF_NEEDED,
+                                null, null, UserHandle.USER_CURRENT);
+                if (result == ActivityManager.START_RETURN_INTENT_TO_CALLER) {
+                    return false;
+                }
+            } catch (RemoteException ex) {
+                // bummer, the activity manager, which is in this process, is dead
+            }
+        }
+        return true;
+    }
+
+    @Override
+    public void setCurrentOrientationLw(int newOrientation) {
+        synchronized (mLock) {
+            if (newOrientation != mCurrentAppOrientation) {
+                mCurrentAppOrientation = newOrientation;
+                updateOrientationListenerLp();
+            }
+        }
+    }
+
+    private void performAuditoryFeedbackForAccessibilityIfNeed() {
+        if (!isGlobalAccessibilityGestureEnabled()) {
+            return;
+        }
+        AudioManager audioManager = (AudioManager) mContext.getSystemService(
+                Context.AUDIO_SERVICE);
+        if (audioManager.isSilentMode()) {
+            return;
+        }
+        Ringtone ringTone = RingtoneManager.getRingtone(mContext,
+                Settings.System.DEFAULT_NOTIFICATION_URI);
+        ringTone.setStreamType(AudioManager.STREAM_MUSIC);
+        ringTone.play();
+    }
+
+    private boolean isTheaterModeEnabled() {
+        return Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.THEATER_MODE_ON, 0) == 1;
+    }
+
+    private boolean isGlobalAccessibilityGestureEnabled() {
+        return Settings.Global.getInt(mContext.getContentResolver(),
+                Settings.Global.ENABLE_ACCESSIBILITY_GLOBAL_GESTURE_ENABLED, 0) == 1;
+    }
+
+    @Override
+    public boolean performHapticFeedbackLw(WindowState win, int effectId, boolean always) {
+        if (!mVibrator.hasVibrator()) {
+            return false;
+        }
+        final boolean hapticsDisabled = Settings.System.getIntForUser(mContext.getContentResolver(),
+                Settings.System.HAPTIC_FEEDBACK_ENABLED, 0, UserHandle.USER_CURRENT) == 0;
+        if (hapticsDisabled && !always) {
+            return false;
+        }
+        long[] pattern = null;
+        switch (effectId) {
+            case HapticFeedbackConstants.LONG_PRESS:
+                pattern = mLongPressVibePattern;
+                break;
+            case HapticFeedbackConstants.VIRTUAL_KEY:
+                pattern = mVirtualKeyVibePattern;
+                break;
+            case HapticFeedbackConstants.KEYBOARD_TAP:
+                pattern = mKeyboardTapVibePattern;
+                break;
+            case HapticFeedbackConstants.CLOCK_TICK:
+                pattern = mClockTickVibePattern;
+                break;
+            case HapticFeedbackConstants.CALENDAR_DATE:
+                pattern = mCalendarDateVibePattern;
+                break;
+            case HapticFeedbackConstants.SAFE_MODE_DISABLED:
+                pattern = mSafeModeDisabledVibePattern;
+                break;
+            case HapticFeedbackConstants.SAFE_MODE_ENABLED:
+                pattern = mSafeModeEnabledVibePattern;
+                break;
+            default:
+                return false;
+        }
+        int owningUid;
+        String owningPackage;
+        if (win != null) {
+            owningUid = win.getOwningUid();
+            owningPackage = win.getOwningPackage();
+        } else {
+            owningUid = android.os.Process.myUid();
+            owningPackage = mContext.getOpPackageName();
+        }
+        if (pattern.length == 1) {
+            // One-shot vibration
+            mVibrator.vibrate(owningUid, owningPackage, pattern[0], VIBRATION_ATTRIBUTES);
+        } else {
+            // Pattern vibration
+            mVibrator.vibrate(owningUid, owningPackage, pattern, -1, VIBRATION_ATTRIBUTES);
+        }
+        return true;
+    }
+
+    @Override
+    public void keepScreenOnStartedLw() {
+    }
+
+    @Override
+    public void keepScreenOnStoppedLw() {
+        if (isKeyguardShowingAndNotOccluded()) {
+            mPowerManager.userActivity(SystemClock.uptimeMillis(), false);
+        }
+    }
+
+    private int updateSystemUiVisibilityLw() {
+        // If there is no window focused, there will be nobody to handle the events
+        // anyway, so just hang on in whatever state we're in until things settle down.
+        final WindowState win = mFocusedWindow != null ? mFocusedWindow
+                : mTopFullscreenOpaqueWindowState;
+        if (win == null) {
+            return 0;
+        }
+        if ((win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0 && mHideLockScreen == true) {
+            // We are updating at a point where the keyguard has gotten
+            // focus, but we were last in a state where the top window is
+            // hiding it.  This is probably because the keyguard as been
+            // shown while the top window was displayed, so we want to ignore
+            // it here because this is just a very transient change and it
+            // will quickly lose focus once it correctly gets hidden.
+            return 0;
+        }
+
+        int tmpVisibility = WindowManagerPolicyControl.getSystemUiVisibility(win, null)
+                & ~mResettingSystemUiFlags
+                & ~mForceClearedSystemUiFlags;
+        boolean wasCleared = mClearedBecauseOfForceShow;
+        if (mForcingShowNavBar && win.getSurfaceLayer() < mForcingShowNavBarLayer) {
+            tmpVisibility &=
+                    ~WindowManagerPolicyControl.adjustClearableFlags(win, View.SYSTEM_UI_CLEARABLE_FLAGS);
+            mClearedBecauseOfForceShow = true;
+        } else {
+            mClearedBecauseOfForceShow = false;
+        }
+
+        // The window who requested navbar force showing disappeared and next window wants
+        // to hide navbar. Instead of hiding we will make it transient. SystemUI will take care
+        // about hiding after timeout. This should not happen if next window is keyguard because
+        // transient state have more priority than translucent (why?) and cause bad UX
+        if (wasCleared && !mClearedBecauseOfForceShow
+                && (tmpVisibility & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0) {
+            mNavigationBarController.showTransient();
+            tmpVisibility |= View.NAVIGATION_BAR_TRANSIENT;
+            mWindowManagerFuncs.addSystemUIVisibilityFlag(View.NAVIGATION_BAR_TRANSIENT);
+        }
+
+        boolean topWindowWasKeyguard = mTopWindowIsKeyguard;
+        mTopWindowIsKeyguard = (win.getAttrs().privateFlags & PRIVATE_FLAG_KEYGUARD) != 0;
+        if (topWindowWasKeyguard && !mTopWindowIsKeyguard
+                && (tmpVisibility & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0) {
+            mStatusBarController.showTransient();
+            tmpVisibility |= View.STATUS_BAR_TRANSIENT;
+            mWindowManagerFuncs.addSystemUIVisibilityFlag(View.STATUS_BAR_TRANSIENT);
+        }
+
+        final int visibility = updateSystemBarsLw(win, mLastSystemUiFlags, tmpVisibility);
+        final int diff = visibility ^ mLastSystemUiFlags;
+        final boolean needsMenu = win.getNeedsMenuLw(mTopFullscreenOpaqueWindowState);
+        if (diff == 0 && mLastFocusNeedsMenu == needsMenu
+                && mFocusedApp == win.getAppToken()) {
+            return 0;
+        }
+        mLastSystemUiFlags = visibility;
+        mLastFocusNeedsMenu = needsMenu;
+        mFocusedApp = win.getAppToken();
+        mHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    try {
+                        IStatusBarService statusbar = getStatusBarService();
+                        if (statusbar != null) {
+                            statusbar.setSystemUiVisibility(visibility, 0xffffffff, win.toString());
+                            statusbar.topAppWindowChanged(needsMenu);
+                        }
+                    } catch (RemoteException e) {
+                        // re-acquire status bar service next time it is needed.
+                        mStatusBarService = null;
+                    }
+                }
+            });
+        return diff;
+    }
+
+    private int updateSystemBarsLw(WindowState win, int oldVis, int vis) {
+        // apply translucent bar vis flags
+        WindowState transWin = isStatusBarKeyguard() && !mHideLockScreen
+                ? mStatusBar
+                : mTopFullscreenOpaqueWindowState;
+        vis = mStatusBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
+        vis = mNavigationBarController.applyTranslucentFlagLw(transWin, vis, oldVis);
+
+        // prevent status bar interaction from clearing certain flags
+        boolean statusBarHasFocus = win.getAttrs().type == TYPE_STATUS_BAR;
+        if (statusBarHasFocus && !isStatusBarKeyguard()) {
+            int flags = View.SYSTEM_UI_FLAG_FULLSCREEN
+                    | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
+                    | View.SYSTEM_UI_FLAG_IMMERSIVE
+                    | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
+            if (mHideLockScreen) {
+                flags |= View.STATUS_BAR_TRANSLUCENT | View.NAVIGATION_BAR_TRANSLUCENT;
+            }
+            vis = (vis & ~flags) | (oldVis & flags);
+        }
+
+        if (!areTranslucentBarsAllowed() && transWin != mStatusBar) {
+            vis &= ~(View.NAVIGATION_BAR_TRANSLUCENT | View.STATUS_BAR_TRANSLUCENT
+                    | View.SYSTEM_UI_TRANSPARENT);
+        }
+
+        // update status bar
+        boolean immersiveSticky =
+                (vis & View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY) != 0;
+        boolean hideStatusBarWM =
+                mTopFullscreenOpaqueWindowState != null &&
+                (WindowManagerPolicyControl.getWindowFlags(mTopFullscreenOpaqueWindowState, null)
+                        & WindowManager.LayoutParams.FLAG_FULLSCREEN) != 0;
+        boolean hideStatusBarSysui =
+                (vis & View.SYSTEM_UI_FLAG_FULLSCREEN) != 0;
+        boolean hideNavBarSysui =
+                (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0;
+
+        boolean transientStatusBarAllowed =
+                mStatusBar != null && (
+                hideStatusBarWM
+                || (hideStatusBarSysui && immersiveSticky)
+                || statusBarHasFocus);
+
+        boolean transientNavBarAllowed =
+                mNavigationBar != null &&
+                hideNavBarSysui && immersiveSticky;
+
+        boolean denyTransientStatus = mStatusBarController.isTransientShowRequested()
+                && !transientStatusBarAllowed && hideStatusBarSysui;
+        boolean denyTransientNav = mNavigationBarController.isTransientShowRequested()
+                && !transientNavBarAllowed;
+        if (denyTransientStatus || denyTransientNav) {
+            // clear the clearable flags instead
+            clearClearableFlagsLw();
+        }
+
+        vis = mStatusBarController.updateVisibilityLw(transientStatusBarAllowed, oldVis, vis);
+
+        // update navigation bar
+        boolean oldImmersiveMode = isImmersiveMode(oldVis);
+        boolean newImmersiveMode = isImmersiveMode(vis);
+        if (win != null && oldImmersiveMode != newImmersiveMode) {
+            final String pkg = win.getOwningPackage();
+            mImmersiveModeConfirmation.immersiveModeChanged(pkg, newImmersiveMode,
+                    isUserSetupComplete());
+        }
+
+        vis = mNavigationBarController.updateVisibilityLw(transientNavBarAllowed, oldVis, vis);
+
+        return vis;
+    }
+
+    private void clearClearableFlagsLw() {
+        int newVal = mResettingSystemUiFlags | View.SYSTEM_UI_CLEARABLE_FLAGS;
+        if (newVal != mResettingSystemUiFlags) {
+            mResettingSystemUiFlags = newVal;
+            mWindowManagerFuncs.reevaluateStatusBarVisibility();
+        }
+    }
+
+    private boolean isImmersiveMode(int vis) {
+        final int flags = View.SYSTEM_UI_FLAG_IMMERSIVE | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
+        return mNavigationBar != null
+                && (vis & View.SYSTEM_UI_FLAG_HIDE_NAVIGATION) != 0
+                && (vis & flags) != 0
+                && canHideNavigationBar();
+    }
+
+    /**
+     * @return whether the navigation or status bar can be made translucent
+     *
+     * This should return true unless touch exploration is not enabled or
+     * R.boolean.config_enableTranslucentDecor is false.
+     */
+    private boolean areTranslucentBarsAllowed() {
+        return mTranslucentDecorEnabled
+                && !mAccessibilityManager.isTouchExplorationEnabled();
+    }
+
+    // Use this instead of checking config_showNavigationBar so that it can be consistently
+    // overridden by qemu.hw.mainkeys in the emulator.
+    @Override
+    public boolean hasNavigationBar() {
+        return mHasNavigationBar || mDevForceNavbar;
+    }
+
+    @Override
+    public boolean hasPermanentMenuKey() {
+        return !hasNavigationBar() && mHasPermanentMenuKey;
+    }
+
+    public boolean needsNavigationBar() {
+        return mHasNavigationBar;
+    }
+
+    @Override
+    public void setLastInputMethodWindowLw(WindowState ime, WindowState target) {
+        mLastInputMethodWindow = ime;
+        mLastInputMethodTargetWindow = target;
+    }
+
+    @Override
+    public int getInputMethodWindowVisibleHeightLw() {
+        return mDockBottom - mCurBottom;
+    }
+
+    @Override
+    public void setCurrentUserLw(int newUserId) {
+        mCurrentUserId = newUserId;
+        if (mKeyguardDelegate != null) {
+            mKeyguardDelegate.setCurrentUser(newUserId);
+        }
+        if (mStatusBarService != null) {
+            try {
+                mStatusBarService.setCurrentUser(newUserId);
+            } catch (RemoteException e) {
+                // oh well
+            }
+        }
+        setLastInputMethodWindowLw(null, null);
+    }
+
+    @Override
+    public boolean canMagnifyWindow(int windowType) {
+        switch (windowType) {
+            case WindowManager.LayoutParams.TYPE_INPUT_METHOD:
+            case WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG:
+            case WindowManager.LayoutParams.TYPE_NAVIGATION_BAR:
+            case WindowManager.LayoutParams.TYPE_MAGNIFICATION_OVERLAY: {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    @Override
+    public boolean isTopLevelWindow(int windowType) {
+        if (windowType >= WindowManager.LayoutParams.FIRST_SUB_WINDOW
+                && windowType <= WindowManager.LayoutParams.LAST_SUB_WINDOW) {
+            return (windowType == WindowManager.LayoutParams.TYPE_APPLICATION_ATTACHED_DIALOG);
+        }
+        return true;
+    }
+
+    @Override
+    public void dump(String prefix, PrintWriter pw, String[] args) {
+        pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
+                pw.print(" mSystemReady="); pw.print(mSystemReady);
+                pw.print(" mSystemBooted="); pw.println(mSystemBooted);
+        pw.print(prefix); pw.print("mLidState="); pw.print(mLidState);
+                pw.print(" mLidOpenRotation="); pw.print(mLidOpenRotation);
+                pw.print(" mCameraLensCoverState="); pw.print(mCameraLensCoverState);
+                pw.print(" mHdmiPlugged="); pw.println(mHdmiPlugged);
+        if (mLastSystemUiFlags != 0 || mResettingSystemUiFlags != 0
+                || mForceClearedSystemUiFlags != 0) {
+            pw.print(prefix); pw.print("mLastSystemUiFlags=0x");
+                    pw.print(Integer.toHexString(mLastSystemUiFlags));
+                    pw.print(" mResettingSystemUiFlags=0x");
+                    pw.print(Integer.toHexString(mResettingSystemUiFlags));
+                    pw.print(" mForceClearedSystemUiFlags=0x");
+                    pw.println(Integer.toHexString(mForceClearedSystemUiFlags));
+        }
+        if (mLastFocusNeedsMenu) {
+            pw.print(prefix); pw.print("mLastFocusNeedsMenu=");
+                    pw.println(mLastFocusNeedsMenu);
+        }
+        pw.print(prefix); pw.print("mWakeGestureEnabledSetting=");
+                pw.println(mWakeGestureEnabledSetting);
+
+        pw.print(prefix); pw.print("mSupportAutoRotation="); pw.println(mSupportAutoRotation);
+        pw.print(prefix); pw.print("mUiMode="); pw.print(mUiMode);
+                pw.print(" mDockMode="); pw.print(mDockMode);
+                pw.print(" mCarDockRotation="); pw.print(mCarDockRotation);
+                pw.print(" mDeskDockRotation="); pw.println(mDeskDockRotation);
+        pw.print(prefix); pw.print("mUserRotationMode="); pw.print(mUserRotationMode);
+                pw.print(" mUserRotation="); pw.print(mUserRotation);
+                pw.print(" mAllowAllRotations="); pw.println(mAllowAllRotations);
+        pw.print(prefix); pw.print("mCurrentAppOrientation="); pw.println(mCurrentAppOrientation);
+        pw.print(prefix); pw.print("mCarDockEnablesAccelerometer=");
+                pw.print(mCarDockEnablesAccelerometer);
+                pw.print(" mDeskDockEnablesAccelerometer=");
+                pw.println(mDeskDockEnablesAccelerometer);
+        pw.print(prefix); pw.print("mLidKeyboardAccessibility=");
+                pw.print(mLidKeyboardAccessibility);
+                pw.print(" mLidNavigationAccessibility="); pw.print(mLidNavigationAccessibility);
+                pw.print(" mLidControlsSleep="); pw.println(mLidControlsSleep);
+        pw.print(prefix);
+                pw.print("mShortPressOnPowerBehavior="); pw.print(mShortPressOnPowerBehavior);
+                pw.print(" mLongPressOnPowerBehavior="); pw.println(mLongPressOnPowerBehavior);
+        pw.print(prefix);
+                pw.print("mDoublePressOnPowerBehavior="); pw.print(mDoublePressOnPowerBehavior);
+                pw.print(" mTriplePressOnPowerBehavior="); pw.println(mTriplePressOnPowerBehavior);
+        pw.print(prefix); pw.print("mHasSoftInput="); pw.println(mHasSoftInput);
+        pw.print(prefix); pw.print("mAwake="); pw.println(mAwake);
+        pw.print(prefix); pw.print("mScreenOnEarly="); pw.print(mScreenOnEarly);
+                pw.print(" mScreenOnFully="); pw.println(mScreenOnFully);
+        pw.print(prefix); pw.print("mKeyguardDrawComplete="); pw.print(mKeyguardDrawComplete);
+                pw.print(" mWindowManagerDrawComplete="); pw.println(mWindowManagerDrawComplete);
+        pw.print(prefix); pw.print("mOrientationSensorEnabled=");
+                pw.println(mOrientationSensorEnabled);
+        pw.print(prefix); pw.print("mOverscanScreen=("); pw.print(mOverscanScreenLeft);
+                pw.print(","); pw.print(mOverscanScreenTop);
+                pw.print(") "); pw.print(mOverscanScreenWidth);
+                pw.print("x"); pw.println(mOverscanScreenHeight);
+        if (mOverscanLeft != 0 || mOverscanTop != 0
+                || mOverscanRight != 0 || mOverscanBottom != 0) {
+            pw.print(prefix); pw.print("mOverscan left="); pw.print(mOverscanLeft);
+                    pw.print(" top="); pw.print(mOverscanTop);
+                    pw.print(" right="); pw.print(mOverscanRight);
+                    pw.print(" bottom="); pw.println(mOverscanBottom);
+        }
+        pw.print(prefix); pw.print("mRestrictedOverscanScreen=(");
+                pw.print(mRestrictedOverscanScreenLeft);
+                pw.print(","); pw.print(mRestrictedOverscanScreenTop);
+                pw.print(") "); pw.print(mRestrictedOverscanScreenWidth);
+                pw.print("x"); pw.println(mRestrictedOverscanScreenHeight);
+        pw.print(prefix); pw.print("mUnrestrictedScreen=("); pw.print(mUnrestrictedScreenLeft);
+                pw.print(","); pw.print(mUnrestrictedScreenTop);
+                pw.print(") "); pw.print(mUnrestrictedScreenWidth);
+                pw.print("x"); pw.println(mUnrestrictedScreenHeight);
+        pw.print(prefix); pw.print("mRestrictedScreen=("); pw.print(mRestrictedScreenLeft);
+                pw.print(","); pw.print(mRestrictedScreenTop);
+                pw.print(") "); pw.print(mRestrictedScreenWidth);
+                pw.print("x"); pw.println(mRestrictedScreenHeight);
+        pw.print(prefix); pw.print("mStableFullscreen=("); pw.print(mStableFullscreenLeft);
+                pw.print(","); pw.print(mStableFullscreenTop);
+                pw.print(")-("); pw.print(mStableFullscreenRight);
+                pw.print(","); pw.print(mStableFullscreenBottom); pw.println(")");
+        pw.print(prefix); pw.print("mStable=("); pw.print(mStableLeft);
+                pw.print(","); pw.print(mStableTop);
+                pw.print(")-("); pw.print(mStableRight);
+                pw.print(","); pw.print(mStableBottom); pw.println(")");
+        pw.print(prefix); pw.print("mSystem=("); pw.print(mSystemLeft);
+                pw.print(","); pw.print(mSystemTop);
+                pw.print(")-("); pw.print(mSystemRight);
+                pw.print(","); pw.print(mSystemBottom); pw.println(")");
+        pw.print(prefix); pw.print("mCur=("); pw.print(mCurLeft);
+                pw.print(","); pw.print(mCurTop);
+                pw.print(")-("); pw.print(mCurRight);
+                pw.print(","); pw.print(mCurBottom); pw.println(")");
+        pw.print(prefix); pw.print("mContent=("); pw.print(mContentLeft);
+                pw.print(","); pw.print(mContentTop);
+                pw.print(")-("); pw.print(mContentRight);
+                pw.print(","); pw.print(mContentBottom); pw.println(")");
+        pw.print(prefix); pw.print("mVoiceContent=("); pw.print(mVoiceContentLeft);
+                pw.print(","); pw.print(mVoiceContentTop);
+                pw.print(")-("); pw.print(mVoiceContentRight);
+                pw.print(","); pw.print(mVoiceContentBottom); pw.println(")");
+        pw.print(prefix); pw.print("mDock=("); pw.print(mDockLeft);
+                pw.print(","); pw.print(mDockTop);
+                pw.print(")-("); pw.print(mDockRight);
+                pw.print(","); pw.print(mDockBottom); pw.println(")");
+        pw.print(prefix); pw.print("mDockLayer="); pw.print(mDockLayer);
+                pw.print(" mStatusBarLayer="); pw.println(mStatusBarLayer);
+        pw.print(prefix); pw.print("mShowingLockscreen="); pw.print(mShowingLockscreen);
+                pw.print(" mShowingDream="); pw.print(mShowingDream);
+                pw.print(" mDreamingLockscreen="); pw.println(mDreamingLockscreen);
+        if (mLastInputMethodWindow != null) {
+            pw.print(prefix); pw.print("mLastInputMethodWindow=");
+                    pw.println(mLastInputMethodWindow);
+        }
+        if (mLastInputMethodTargetWindow != null) {
+            pw.print(prefix); pw.print("mLastInputMethodTargetWindow=");
+                    pw.println(mLastInputMethodTargetWindow);
+        }
+        if (mStatusBar != null) {
+            pw.print(prefix); pw.print("mStatusBar=");
+                    pw.println(mStatusBar);
+            pw.print(prefix); pw.print("isStatusBarKeyguard=");
+                    pw.print(isStatusBarKeyguard());
+        }
+        if (mNavigationBar != null) {
+            pw.print(prefix); pw.print("mNavigationBar=");
+                    pw.println(mNavigationBar);
+        }
+        if (mFocusedWindow != null) {
+            pw.print(prefix); pw.print("mFocusedWindow=");
+                    pw.println(mFocusedWindow);
+        }
+        if (mFocusedApp != null) {
+            pw.print(prefix); pw.print("mFocusedApp=");
+                    pw.println(mFocusedApp);
+        }
+        if (mWinDismissingKeyguard != null) {
+            pw.print(prefix); pw.print("mWinDismissingKeyguard=");
+                    pw.println(mWinDismissingKeyguard);
+        }
+        if (mTopFullscreenOpaqueWindowState != null) {
+            pw.print(prefix); pw.print("mTopFullscreenOpaqueWindowState=");
+                    pw.println(mTopFullscreenOpaqueWindowState);
+        }
+        if (mForcingShowNavBar) {
+            pw.print(prefix); pw.print("mForcingShowNavBar=");
+                    pw.println(mForcingShowNavBar); pw.print( "mForcingShowNavBarLayer=");
+                    pw.println(mForcingShowNavBarLayer);
+        }
+        pw.print(prefix); pw.print("mTopIsFullscreen="); pw.print(mTopIsFullscreen);
+                pw.print(" mHideLockScreen="); pw.println(mHideLockScreen);
+        pw.print(prefix); pw.print("mForceStatusBar="); pw.print(mForceStatusBar);
+                pw.print(" mForceStatusBarFromKeyguard=");
+                pw.println(mForceStatusBarFromKeyguard);
+        pw.print(prefix); pw.print("mDismissKeyguard="); pw.print(mDismissKeyguard);
+                pw.print(" mWinDismissingKeyguard="); pw.print(mWinDismissingKeyguard);
+                pw.print(" mHomePressed="); pw.println(mHomePressed);
+        pw.print(prefix); pw.print("mAllowLockscreenWhenOn="); pw.print(mAllowLockscreenWhenOn);
+                pw.print(" mLockScreenTimeout="); pw.print(mLockScreenTimeout);
+                pw.print(" mLockScreenTimerActive="); pw.println(mLockScreenTimerActive);
+        pw.print(prefix); pw.print("mEndcallBehavior="); pw.print(mEndcallBehavior);
+                pw.print(" mIncallPowerBehavior="); pw.print(mIncallPowerBehavior);
+                pw.print(" mRingHomeBehavior="); pw.print(mRingHomeBehavior);
+                pw.print(" mLongPressOnHomeBehavior="); pw.println(mLongPressOnHomeBehavior);
+        pw.print(prefix); pw.print("mLandscapeRotation="); pw.print(mLandscapeRotation);
+                pw.print(" mSeascapeRotation="); pw.println(mSeascapeRotation);
+        pw.print(prefix); pw.print("mPortraitRotation="); pw.print(mPortraitRotation);
+                pw.print(" mUpsideDownRotation="); pw.println(mUpsideDownRotation);
+        pw.print(prefix); pw.print("mDemoHdmiRotation="); pw.print(mDemoHdmiRotation);
+                pw.print(" mDemoHdmiRotationLock="); pw.println(mDemoHdmiRotationLock);
+        pw.print(prefix); pw.print("mUndockedHdmiRotation="); pw.println(mUndockedHdmiRotation);
+
+        mGlobalKeyManager.dump(prefix, pw);
+        mStatusBarController.dump(pw, prefix);
+        mNavigationBarController.dump(pw, prefix);
+        WindowManagerPolicyControl.dump(prefix, pw);
+
+        if (mWakeGestureListener != null) {
+            mWakeGestureListener.dump(pw, prefix);
+        }
+        if (mOrientationListener != null) {
+            mOrientationListener.dump(pw, prefix);
+        }
+    }
+
+    /**
+     * Check whether power off alarm view is on top of the activity stack.
+     */
+    private boolean isAlarmViewTopActivity() {
+        List<ActivityManager.RunningTaskInfo> taskList;
+
+        try {
+            taskList = ActivityManagerNative.getDefault().getTasks(1, 0);
+        } catch (RemoteException e) {
+            Log.e(TAG, "isAlarmViewTopActivity get the activity stack failed");
+            return false;
+        }
+
+        if ((taskList != null)
+                && (taskList.get(0) != null)
+                && (taskList.get(0).topActivity != null)
+                && (taskList.get(0).topActivity.getClassName() != null)
+                && (taskList.get(0).topActivity.getClassName().equals(ALARM_CLASS_NAME))) {
+
+            return true;
+        }
+
+        return false;
+    }
+}
diff --git a/services/core/java/com/android/server/am/LockTaskNotify.java b/services/core/java/com/android/server/am/LockTaskNotify.java
index afde322..d1917db 100644
--- a/services/core/java/com/android/server/am/LockTaskNotify.java
+++ b/services/core/java/com/android/server/am/LockTaskNotify.java
@@ -20,7 +20,10 @@ import android.app.ActivityManager;
 import android.content.Context;
 import android.os.Handler;
 import android.os.Message;
+import android.os.RemoteException;
+import android.view.IWindowManager;
 import android.view.WindowManager;
+import android.view.WindowManagerGlobal;
 import android.view.accessibility.AccessibilityManager;
 import android.widget.Toast;
 
@@ -37,12 +40,23 @@ public class LockTaskNotify {
     private final H mHandler;
     private AccessibilityManager mAccessibilityManager;
     private Toast mLastToast;
+    private final IWindowManager mWindowManagerService;
 
     public LockTaskNotify(Context context) {
         mContext = context;
         mAccessibilityManager = (AccessibilityManager)
                 mContext.getSystemService(Context.ACCESSIBILITY_SERVICE);
         mHandler = new H();
+        mWindowManagerService = WindowManagerGlobal.getWindowManagerService();
+    }
+
+    private boolean hasNavigationBar() {
+        try {
+            return mWindowManagerService.hasNavigationBar();
+        } catch (RemoteException e) {
+            //ignore
+        }
+        return false;
     }
 
     public void showToast(int lockTaskModeState) {
@@ -50,20 +64,20 @@ public class LockTaskNotify {
     }
 
     public void handleShowToast(int lockTaskModeState) {
-        String text = null;
+        final int textResId;
         if (lockTaskModeState == ActivityManager.LOCK_TASK_MODE_LOCKED) {
-            text = mContext.getString(R.string.lock_to_app_toast_locked);
+            textResId = R.string.lock_to_app_toast_locked;
         } else if (lockTaskModeState == ActivityManager.LOCK_TASK_MODE_PINNED) {
-            text = mContext.getString(mAccessibilityManager.isEnabled()
-                    ? R.string.lock_to_app_toast_accessible : R.string.lock_to_app_toast);
-        }
-        if (text == null) {
-            return;
+            textResId = mAccessibilityManager.isEnabled()
+                    ? R.string.lock_to_app_toast_accessible : R.string.lock_to_app_toast;
+        } else {
+            textResId = hasNavigationBar()
+                    ? R.string.lock_to_app_toast : R.string.lock_to_app_toast_no_navbar;
         }
         if (mLastToast != null) {
             mLastToast.cancel();
         }
-        mLastToast = makeAllUserToastAndShow(text);
+        mLastToast = makeAllUserToastAndShow(mContext.getString(textResId));
     }
 
     public void show(boolean starting) {
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index 7ae0d3a..c8d329c 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -1462,7 +1462,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
 
     Runnable mBackLongPress = new Runnable() {
         public void run() {
-            if (ActionUtils.killForegroundApp(mContext, mCurrentUserId)) {
+            if (!unpinActivity(false) && ActionUtils.killForegroundApp(mContext, mCurrentUserId)) {
                 performHapticFeedbackLw(null, HapticFeedbackConstants.LONG_PRESS, false);
                 Toast.makeText(mContext, R.string.app_killed_message, Toast.LENGTH_SHORT).show();
             }
@@ -3488,7 +3488,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
             }
             return -1;
         } else if (keyCode == KeyEvent.KEYCODE_BACK) {
-            if (CMSettings.Secure.getInt(mContext.getContentResolver(),
+            if (unpinActivity(true) || CMSettings.Secure.getInt(mContext.getContentResolver(),
                     CMSettings.Secure.KILL_APP_LONGPRESS_BACK, 0) == 1) {
                 if (down && repeatCount == 0) {
                     mHandler.postDelayed(mBackLongPress, mBackKillTimeout);
@@ -3623,6 +3623,22 @@ public class PhoneWindowManager implements WindowManagerPolicy {
         return 0;
     }
 
+    private boolean unpinActivity(boolean checkOnly) {
+        if (!hasNavigationBar()) {
+            try {
+                if (ActivityManagerNative.getDefault().isInLockTaskMode()) {
+                    if (!checkOnly) {
+                        ActivityManagerNative.getDefault().stopLockTaskModeOnCurrent();
+                    }
+                    return true;
+                }
+            } catch (RemoteException e) {
+                // ignore
+            }
+        }
+        return false;
+    }
+
     /** {@inheritDoc} */
     @Override
     public KeyEvent dispatchUnhandledKey(WindowState win, KeyEvent event, int policyFlags) {