Merge "Send power hint on fling gestures." into mnc-dr-dev

4 files changed, 79 insertions, 1 deletions

diff --git a/core/java/android/os/PowerManagerInternal.java b/core/java/android/os/PowerManagerInternal.java
index e742f98..17bce30 100644
--- a/core/java/android/os/PowerManagerInternal.java
+++ b/core/java/android/os/PowerManagerInternal.java
@@ -53,6 +53,15 @@ public abstract class PowerManagerInternal {
      */
     public static final int WAKEFULNESS_DOZING = 3;
 
+
+    /**
+     * Power hint: The user is interacting with the device. The corresponding data field must be
+     * the expected duration of the fling, or 0 if unknown.
+     *
+     * This must be kept in sync with the values in hardware/libhardware/include/hardware/power.h
+     */
+    public static final int POWER_HINT_INTERACTION = 2;
+
     public static String wakefulnessToString(int wakefulness) {
         switch (wakefulness) {
             case WAKEFULNESS_ASLEEP:
@@ -142,4 +151,6 @@ public abstract class PowerManagerInternal {
     public abstract void updateUidProcState(int uid, int procState);
 
     public abstract void uidGone(int uid);
+
+    public abstract void powerHint(int hintId, int data);
 }
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index bb0731a..31286b6 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -65,6 +65,7 @@ import android.os.Looper;
 import android.os.Message;
 import android.os.Messenger;
 import android.os.PowerManager;
+import android.os.PowerManagerInternal;
 import android.os.Process;
 import android.os.RemoteException;
 import android.os.ServiceManager;
@@ -267,6 +268,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
     PowerManager mPowerManager;
     ActivityManagerInternal mActivityManagerInternal;
     DreamManagerInternal mDreamManagerInternal;
+    PowerManagerInternal mPowerManagerInternal;
     IStatusBarService mStatusBarService;
     boolean mPreloadedRecentApps;
     final Object mServiceAquireLock = new Object();
@@ -1330,6 +1332,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
         mWindowManagerInternal = LocalServices.getService(WindowManagerInternal.class);
         mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class);
         mDreamManagerInternal = LocalServices.getService(DreamManagerInternal.class);
+        mPowerManagerInternal = LocalServices.getService(PowerManagerInternal.class);
         mAppOpsManager = (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
 
         // Init display burn-in protection
@@ -1506,6 +1509,13 @@ public class PhoneWindowManager implements WindowManagerPolicy {
                         }
                     }
                     @Override
+                    public void onFling(int duration) {
+                        if (mPowerManagerInternal != null) {
+                            mPowerManagerInternal.powerHint(
+                                    PowerManagerInternal.POWER_HINT_INTERACTION, duration);
+                        }
+                    }
+                    @Override
                     public void onDebug() {
                         // no-op
                     }
@@ -6074,6 +6084,7 @@ public class PhoneWindowManager implements WindowManagerPolicy {
             mKeyguardDelegate.bindService(mContext);
             mKeyguardDelegate.onBootCompleted();
         }
+        mSystemGestures.systemReady();
     }
 
     /** {@inheritDoc} */
diff --git a/services/core/java/com/android/server/policy/SystemGesturesPointerEventListener.java b/services/core/java/com/android/server/policy/SystemGesturesPointerEventListener.java
index 627b328..e4bd21d 100644
--- a/services/core/java/com/android/server/policy/SystemGesturesPointerEventListener.java
+++ b/services/core/java/com/android/server/policy/SystemGesturesPointerEventListener.java
@@ -17,9 +17,14 @@
 package com.android.server.policy;
 
 import android.content.Context;
+import android.os.Handler;
+import android.os.Looper;
+import android.os.SystemClock;
 import android.util.Slog;
+import android.view.GestureDetector;
 import android.view.MotionEvent;
 import android.view.WindowManagerPolicy.PointerEventListener;
+import android.widget.OverScroller;
 
 /*
  * Listens for system-wide input gestures, firing callbacks when detected.
@@ -31,12 +36,14 @@ public class SystemGesturesPointerEventListener implements PointerEventListener
     private static final long SWIPE_TIMEOUT_MS = 500;
     private static final int MAX_TRACKED_POINTERS = 32;  // max per input system
     private static final int UNTRACKED_POINTER = -1;
+    private static final int MAX_FLING_TIME_MILLIS = 5000;
 
     private static final int SWIPE_NONE = 0;
     private static final int SWIPE_FROM_TOP = 1;
     private static final int SWIPE_FROM_BOTTOM = 2;
     private static final int SWIPE_FROM_RIGHT = 3;
 
+    private final Context mContext;
     private final int mSwipeStartThreshold;
     private final int mSwipeDistanceThreshold;
     private final Callbacks mCallbacks;
@@ -45,13 +52,18 @@ public class SystemGesturesPointerEventListener implements PointerEventListener
     private final float[] mDownY = new float[MAX_TRACKED_POINTERS];
     private final long[] mDownTime = new long[MAX_TRACKED_POINTERS];
 
+    private GestureDetector mGestureDetector;
+    private OverScroller mOverscroller;
+
     int screenHeight;
     int screenWidth;
     private int mDownPointers;
     private boolean mSwipeFireable;
     private boolean mDebugFireable;
+    private long mLastFlingTime;
 
     public SystemGesturesPointerEventListener(Context context, Callbacks callbacks) {
+        mContext = context;
         mCallbacks = checkNull("callbacks", callbacks);
         mSwipeStartThreshold = checkNull("context", context).getResources()
                 .getDimensionPixelSize(com.android.internal.R.dimen.status_bar_height);
@@ -67,8 +79,17 @@ public class SystemGesturesPointerEventListener implements PointerEventListener
         return arg;
     }
 
+    public void systemReady() {
+        Handler h = new Handler(Looper.myLooper());
+        mGestureDetector = new GestureDetector(mContext, new FlingGestureDetector(), h);
+        mOverscroller = new OverScroller(mContext);
+    }
+
     @Override
     public void onPointerEvent(MotionEvent event) {
+        if (mGestureDetector != null) {
+            mGestureDetector.onTouchEvent(event);
+        }
         switch (event.getActionMasked()) {
             case MotionEvent.ACTION_DOWN:
                 mSwipeFireable = true;
@@ -190,10 +211,40 @@ public class SystemGesturesPointerEventListener implements PointerEventListener
         return SWIPE_NONE;
     }
 
+    private final class FlingGestureDetector extends GestureDetector.SimpleOnGestureListener {
+        @Override
+        public boolean onSingleTapUp(MotionEvent e) {
+            if (!mOverscroller.isFinished()) {
+                mOverscroller.forceFinished(true);
+            }
+            return true;
+        }
+        @Override
+        public boolean onFling(MotionEvent down, MotionEvent up,
+                float velocityX, float velocityY) {
+            mOverscroller.computeScrollOffset();
+            long now = SystemClock.uptimeMillis();
+
+            if (mLastFlingTime != 0 && now > mLastFlingTime + MAX_FLING_TIME_MILLIS) {
+                mOverscroller.forceFinished(true);
+            }
+            mOverscroller.fling(0, 0, (int)velocityX, (int)velocityY,
+                    Integer.MIN_VALUE, Integer.MAX_VALUE, Integer.MIN_VALUE, Integer.MAX_VALUE);
+            int duration = mOverscroller.getDuration();
+            if (duration > MAX_FLING_TIME_MILLIS) {
+                duration = MAX_FLING_TIME_MILLIS;
+            }
+            mLastFlingTime = now;
+            mCallbacks.onFling(duration);
+            return true;
+        }
+    }
+
     interface Callbacks {
         void onSwipeFromTop();
         void onSwipeFromBottom();
         void onSwipeFromRight();
+        void onFling(int durationMs);
         void onDown();
         void onUpOrCancel();
         void onDebug();
diff --git a/services/core/java/com/android/server/power/PowerManagerService.java b/services/core/java/com/android/server/power/PowerManagerService.java
index b920f97..f7a8970 100644
--- a/services/core/java/com/android/server/power/PowerManagerService.java
+++ b/services/core/java/com/android/server/power/PowerManagerService.java
@@ -76,6 +76,7 @@ import java.util.Arrays;
 
 import libcore.util.Objects;
 
+import static android.os.PowerManagerInternal.POWER_HINT_INTERACTION;
 import static android.os.PowerManagerInternal.WAKEFULNESS_ASLEEP;
 import static android.os.PowerManagerInternal.WAKEFULNESS_AWAKE;
 import static android.os.PowerManagerInternal.WAKEFULNESS_DREAMING;
@@ -150,7 +151,6 @@ public final class PowerManagerService extends SystemService
     private static final int SCREEN_BRIGHTNESS_BOOST_TIMEOUT = 5 * 1000;
 
     // Power hints defined in hardware/libhardware/include/hardware/power.h.
-    private static final int POWER_HINT_INTERACTION = 2;
     private static final int POWER_HINT_LOW_POWER = 5;
 
     // Power features defined in hardware/libhardware/include/hardware/power.h.
@@ -3534,5 +3534,10 @@ public final class PowerManagerService extends SystemService
         public void uidGone(int uid) {
             uidGoneInternal(uid);
         }
+
+        @Override
+        public void powerHint(int hintId, int data) {
+            powerHintInternal(hintId, data);
+        }
     }
 }