Integrate keyguard paging hint

Bug 7232481

Change-Id: I1959ae61b8f5afd055158dad67bdceecc4870d24

14 files changed, 302 insertions, 45 deletions

diff --git a/core/res/res/layout-land/keyguard_host_view.xml b/core/res/res/layout-land/keyguard_host_view.xml
index 595762e..18e23f0 100644
--- a/core/res/res/layout-land/keyguard_host_view.xml
+++ b/core/res/res/layout-land/keyguard_host_view.xml
@@ -27,20 +27,10 @@
     android:gravity="center_vertical"
     android:orientation="horizontal">
 
-    <com.android.internal.policy.impl.keyguard.KeyguardWidgetPager
-        android:id="@+id/app_widget_container"
+    <include layout="@layout/keyguard_widget_region"
         android:layout_width="0dip"
         android:layout_height="230dip"
-        android:gravity="center"
-        android:layout_weight=".45"
-        android:visibility="gone">
-
-        <!-- TODO: Remove this once supported as a widget -->
-        <include layout="@layout/keyguard_status_view"/>
-        <include layout="@layout/keyguard_transport_control_view"/>
-
-    </com.android.internal.policy.impl.keyguard.KeyguardWidgetPager>
-
+        android:layout_weight=".45"/>
 
     <com.android.internal.policy.impl.keyguard.KeyguardSecurityViewFlipper
         android:id="@+id/view_flipper"
diff --git a/core/res/res/layout-sw600dp-land/keyguard_host_view.xml b/core/res/res/layout-sw600dp-land/keyguard_host_view.xml
index ea0b3ba..595c918 100644
--- a/core/res/res/layout-sw600dp-land/keyguard_host_view.xml
+++ b/core/res/res/layout-sw600dp-land/keyguard_host_view.xml
@@ -26,18 +26,10 @@
     android:layout_height="match_parent"
     android:orientation="horizontal">
 
-    <com.android.internal.policy.impl.keyguard.KeyguardWidgetPager
-        android:id="@+id/app_widget_container"
+    <include layout="@layout/keyguard_widget_region"
         android:layout_width="0dip"
         android:layout_height="match_parent"
-        android:layout_weight="1"
-        android:visibility="gone">
-
-        <!-- TODO: Remove this once supported as a widget -->
-        <include layout="@layout/keyguard_status_view"/>
-        <include layout="@layout/keyguard_transport_control_view"/>
-
-    </com.android.internal.policy.impl.keyguard.KeyguardWidgetPager>
+        android:layout_weight="1"/>
 
     <FrameLayout
         android:layout_width="0dip"
diff --git a/core/res/res/layout-sw600dp-port/keyguard_host_view.xml b/core/res/res/layout-sw600dp-port/keyguard_host_view.xml
index 84b1b03..7cde7e1 100644
--- a/core/res/res/layout-sw600dp-port/keyguard_host_view.xml
+++ b/core/res/res/layout-sw600dp-port/keyguard_host_view.xml
@@ -27,18 +27,10 @@
     android:layout_height="match_parent"
     android:gravity="center_horizontal">
 
-    <com.android.internal.policy.impl.keyguard.KeyguardWidgetPager
-        android:id="@+id/app_widget_container"
+    <include layout="@layout/keyguard_widget_region"
         android:layout_width="match_parent"
         android:layout_height="0dip"
-        android:layout_weight="0.4"
-        android:visibility="gone">
-
-        <!-- TODO: Remove this once supported as a widget -->
-        <include layout="@layout/keyguard_status_view"/>
-        <include layout="@layout/keyguard_transport_control_view"/>
-
-    </com.android.internal.policy.impl.keyguard.KeyguardWidgetPager>
+        android:layout_weight="0.4"/>
 
     <com.android.internal.policy.impl.keyguard.KeyguardSecurityViewFlipper
         android:id="@+id/view_flipper"
diff --git a/core/res/res/layout/keyguard_selector_view.xml b/core/res/res/layout/keyguard_selector_view.xml
index 8b2865e..710a78e 100644
--- a/core/res/res/layout/keyguard_selector_view.xml
+++ b/core/res/res/layout/keyguard_selector_view.xml
@@ -26,19 +26,13 @@
     android:layout_height="match_parent"
     android:orientation="vertical">
 
-    <com.android.internal.policy.impl.keyguard.KeyguardWidgetPager
-        android:id="@+id/app_widget_container"
+    <include layout="@layout/keyguard_widget_region"
         android:layout_width="match_parent"
         android:layout_height="0dip"
         android:layout_weight="0.45"
         android:layout_marginTop="35dip"
         android:layout_marginLeft="33dip"
-        android:layout_marginRight="33dip"
-        android:visibility="gone">
-            <!-- TODO: Remove this when supported as a widget -->
-            <include layout="@layout/keyguard_status_view"/>
-            <include layout="@layout/keyguard_transport_control_view"/>
-    </com.android.internal.policy.impl.keyguard.KeyguardWidgetPager>
+        android:layout_marginRight="33dip"/>
 
     <RelativeLayout
         android:layout_width="wrap_content"
diff --git a/core/res/res/layout/keyguard_widget_region.xml b/core/res/res/layout/keyguard_widget_region.xml
new file mode 100644
index 0000000..f759366
--- /dev/null
+++ b/core/res/res/layout/keyguard_widget_region.xml
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+**
+** Copyright 2012, The Android Open Source Project
+**
+** 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.
+*/
+-->
+
+<!-- This is the selector widget that allows the user to select an action. -->
+<com.android.internal.policy.impl.keyguard.KeyguardWidgetRegion
+    xmlns:prvandroid="http://schemas.android.com/apk/prv/res/android"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+        android:id="@+id/kg_widget_region"
+        android:visibility="gone"
+        android:gravity="center"
+        android:orientation="vertical">
+    <Space
+        android:layout_width="match_parent"
+        android:layout_height="0dip"
+        android:layout_weight="1" />
+    <com.android.internal.policy.impl.keyguard.KeyguardWidgetPager
+        android:id="@+id/app_widget_container"
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/kg_widget_container_height">
+            <!-- TODO: Remove this when supported as a widget -->
+            <include layout="@layout/keyguard_status_view"/>
+            <include layout="@layout/keyguard_transport_control_view"/>
+    </com.android.internal.policy.impl.keyguard.KeyguardWidgetPager>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="0dip"
+        android:layout_weight="1"
+        android:orientation="horizontal">
+        <com.android.internal.policy.impl.keyguard.KeyguardGlowStripView
+            android:id="@+id/left_strip"
+            android:layout_width="0dip"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            prvandroid:numDots="5"
+            prvandroid:dotSize="7dip"
+            prvandroid:leftToRight="false"
+            prvandroid:glowDot="@*android:drawable/ic_lockscreen_glowdot" />
+        <Space
+            android:layout_width="0dip"
+            android:layout_height="match_parent"
+            android:layout_weight="1"/>
+        <com.android.internal.policy.impl.keyguard.KeyguardGlowStripView
+            android:id="@+id/right_strip"
+            android:layout_width="0dip"
+            android:layout_height="match_parent"
+            android:layout_weight="1"
+            prvandroid:numDots="5"
+            prvandroid:dotSize="7dip"
+            prvandroid:leftToRight="true"
+            prvandroid:glowDot="@*android:drawable/ic_lockscreen_glowdot" />
+    </LinearLayout>
+</com.android.internal.policy.impl.keyguard.KeyguardWidgetRegion>
\ No newline at end of file
diff --git a/core/res/res/values/attrs.xml b/core/res/res/values/attrs.xml
index 7698624..4450ae8 100755
--- a/core/res/res/values/attrs.xml
+++ b/core/res/res/values/attrs.xml
@@ -5773,4 +5773,11 @@
         <attr name="scrollIndicatorPaddingRight" format="dimension" />
     </declare-styleable>
 
+    <declare-styleable name="KeyguardGlowStripView">
+        <attr name="dotSize" format="dimension" />
+        <attr name="numDots" format="integer" />
+        <attr name="glowDot" format="reference" />
+        <attr name="leftToRight" format="boolean" />
+    </declare-styleable>
+
 </resources>
diff --git a/core/res/res/values/dimens.xml b/core/res/res/values/dimens.xml
index 63ed18e..01a35b0 100644
--- a/core/res/res/values/dimens.xml
+++ b/core/res/res/values/dimens.xml
@@ -285,6 +285,9 @@
     <!-- Space reserved at the bottom of secure views (pin/pattern/password/SIM pin/SIM puk) -->
     <dimen name="kg_secure_padding_height">46dp</dimen>
 
+    <!-- The height of the widget container -->
+    <dimen name="kg_widget_container_height">200dp</dimen>
+
     <!-- Touch slop for the global toggle accessibility gesture -->
     <dimen name="accessibility_touch_slop">80dip</dimen>
 
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 160495c..224a059 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -1075,6 +1075,7 @@
   <java-symbol type="layout" name="notification_template_inbox" />
   <java-symbol type="layout" name="keyguard_multi_user_avatar" />
   <java-symbol type="layout" name="keyguard_multi_user_selector_widget" />
+  <java-symbol type="layout" name="keyguard_widget_region" />
   <java-symbol type="layout" name="sms_short_code_confirmation_dialog" />
 
   <java-symbol type="anim" name="slide_in_child_bottom" />
@@ -1283,6 +1284,10 @@
   <java-symbol type="id" name="keyguard_users_grid" />
   <java-symbol type="id" name="clock_text" />
   <java-symbol type="id" name="clock_view" />
+  <java-symbol type="id" name="kg_widget_region" />
+  <java-symbol type="id" name="left_strip" />
+  <java-symbol type="id" name="right_strip" />
+
   <java-symbol type="integer" name="config_carDockRotation" />
   <java-symbol type="integer" name="config_defaultUiModeType" />
   <java-symbol type="integer" name="config_deskDockRotation" />
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/ClockView.java b/policy/src/com/android/internal/policy/impl/keyguard/ClockView.java
index cbbc92c..97a3f26 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/ClockView.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/ClockView.java
@@ -33,7 +33,6 @@ import android.widget.TextView;
 import java.lang.ref.WeakReference;
 import java.text.DateFormatSymbols;
 import java.util.Calendar;
-
 import com.android.internal.R;
 
 /**
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardGlowStripView.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardGlowStripView.java
new file mode 100644
index 0000000..e1c95f0
--- /dev/null
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardGlowStripView.java
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * 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.keyguard;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.ValueAnimator;
+import android.animation.ValueAnimator.AnimatorUpdateListener;
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.view.animation.DecelerateInterpolator;
+import android.view.animation.Interpolator;
+import android.view.animation.LinearInterpolator;
+import android.widget.LinearLayout;
+
+import com.android.internal.R;
+
+/**
+ * A layout which animates a strip of horizontal, pulsing dots on request. This is used
+ * to indicate the presence of pages to the left / right.
+ */
+public class KeyguardGlowStripView extends LinearLayout {
+    private static final int DURATION = 500;
+
+    private static final float SLIDING_WINDOW_SIZE = 0.4f;
+    private int mDotStripTop;
+    private int mHorizontalDotGap;
+
+    private int mDotSize;
+    private int mNumDots;
+    private Drawable mDotDrawable;
+    private boolean mLeftToRight = true;
+
+    private float mAnimationProgress = 0f;
+    private boolean mDrawDots = false;
+    private ValueAnimator mAnimator;
+    private Interpolator mDotAlphaInterpolator = new DecelerateInterpolator(0.5f);
+
+    public KeyguardGlowStripView(Context context) {
+        this(context, null, 0);
+    }
+
+    public KeyguardGlowStripView(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public KeyguardGlowStripView(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+
+        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.KeyguardGlowStripView);
+        mDotSize = a.getDimensionPixelSize(R.styleable.KeyguardGlowStripView_dotSize, mDotSize);
+        mNumDots = a.getInt(R.styleable.KeyguardGlowStripView_numDots, mNumDots);
+        mDotDrawable = a.getDrawable(R.styleable.KeyguardGlowStripView_glowDot);
+        mLeftToRight = a.getBoolean(R.styleable.KeyguardGlowStripView_leftToRight, mLeftToRight);
+    }
+
+    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+        int availableWidth = w - getPaddingLeft() - getPaddingRight();
+        mHorizontalDotGap = (availableWidth - mDotSize * mNumDots) /  (mNumDots - 1);
+        mDotStripTop = getPaddingTop();
+        invalidate();
+    }
+
+    @Override
+    protected void dispatchDraw(Canvas canvas) {
+        super.dispatchDraw(canvas);
+
+        if (!mDrawDots) return;
+
+        int xOffset = getPaddingLeft();
+        mDotDrawable.setBounds(0, 0, mDotSize, mDotSize);
+
+        for (int i = 0; i < mNumDots; i++) {
+            // We fudge the relative position to provide a fade in of the first dot and a fade
+            // out of the final dot.
+            float relativeDotPosition = SLIDING_WINDOW_SIZE / 2 + ((1.0f * i) / (mNumDots - 1)) *
+                    (1 - SLIDING_WINDOW_SIZE);
+            float distance = Math.abs(relativeDotPosition - mAnimationProgress);
+            float alpha = Math.max(0, 1 - distance / (SLIDING_WINDOW_SIZE / 2));
+
+            alpha = mDotAlphaInterpolator.getInterpolation(alpha);
+
+            canvas.save();
+            canvas.translate(xOffset, mDotStripTop);
+            mDotDrawable.setAlpha((int) (alpha * 255));
+            mDotDrawable.draw(canvas);
+            canvas.restore();
+            xOffset += mDotSize + mHorizontalDotGap;
+        }
+    }
+
+    public void makeEmGo() {
+        if (mAnimator != null) {
+            mAnimator.cancel();
+        }
+        float from = mLeftToRight ? 0f : 1f;
+        float to = mLeftToRight ? 1f : 0f;
+        mAnimator = ValueAnimator.ofFloat(from, to);
+        mAnimator.setDuration(DURATION);
+        mAnimator.setInterpolator(new LinearInterpolator());
+        mAnimator.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                mDrawDots = false;
+                // make sure we draw one frame at the end with everything gone.
+                invalidate();
+            }
+
+            @Override
+            public void onAnimationStart(Animator animation) {
+                mDrawDots = true;
+            }
+        });
+        mAnimator.addUpdateListener(new AnimatorUpdateListener() {
+            @Override
+            public void onAnimationUpdate(ValueAnimator animation) {
+                mAnimationProgress = (Float) animation.getAnimatedValue();
+                invalidate();
+            }
+        });
+        mAnimator.start();
+    }
+}
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
index 1d1c7fc..14633c4 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
@@ -141,7 +141,8 @@ public class KeyguardHostView extends KeyguardViewBase {
     @Override
     protected void onFinishInflate() {
         mAppWidgetContainer = (KeyguardWidgetPager) findViewById(R.id.app_widget_container);
-        mAppWidgetContainer.setVisibility(VISIBLE);
+        KeyguardWidgetRegion kgwr = (KeyguardWidgetRegion) findViewById(R.id.kg_widget_region);
+        kgwr.setVisibility(VISIBLE);
         mSecurityViewContainer = (ViewFlipper) findViewById(R.id.view_flipper);
 
         // This code manages showing/hiding the transport control. We keep it around and only
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardSelectorView.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardSelectorView.java
index f99765d..8714276 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardSelectorView.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardSelectorView.java
@@ -26,15 +26,12 @@ import android.content.Intent;
 import android.os.RemoteException;
 import android.os.UserHandle;
 import android.provider.MediaStore;
-import android.telephony.TelephonyManager;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.util.Slog;
 import android.view.View;
-import android.widget.Button;
 import android.widget.LinearLayout;
 
-import com.android.internal.telephony.IccCardConstants;
 import com.android.internal.telephony.IccCardConstants.State;
 import com.android.internal.widget.LockPatternUtils;
 import com.android.internal.widget.multiwaveview.GlowPadView;
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java
index fd9362a..4af7a25 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetPager.java
@@ -20,6 +20,7 @@ import android.appwidget.AppWidgetHostView;
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.Gravity;
+import android.view.MotionEvent;
 import android.view.View;
 import android.view.animation.AccelerateInterpolator;
 import android.view.animation.DecelerateInterpolator;
@@ -63,6 +64,12 @@ public class KeyguardWidgetPager extends PagedView {
         addView(frame);
     }
 
+    protected void onUnhandledTap(MotionEvent ev) {
+        if (getParent() instanceof KeyguardWidgetRegion) {
+            ((KeyguardWidgetRegion) getParent()).showPagingFeedback();
+        }
+    }
+
     /*
      * This interpolator emulates the rate at which the perceived scale of an object changes
      * as its distance from a camera increases. When this interpolator is applied to a scale
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetRegion.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetRegion.java
new file mode 100644
index 0000000..34754e0
--- /dev/null
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardWidgetRegion.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * 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.keyguard;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.LinearLayout;
+
+import com.android.internal.R;
+
+public class KeyguardWidgetRegion extends LinearLayout {
+    KeyguardGlowStripView mLeftStrip;
+    KeyguardGlowStripView mRightStrip;
+    KeyguardWidgetPager mPager;
+
+    public KeyguardWidgetRegion(Context context) {
+        this(context, null, 0);
+    }
+
+    public KeyguardWidgetRegion(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public KeyguardWidgetRegion(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        mLeftStrip = (KeyguardGlowStripView) findViewById(R.id.left_strip);
+        mRightStrip = (KeyguardGlowStripView) findViewById(R.id.right_strip);
+        mPager = (KeyguardWidgetPager) findViewById(R.id.app_widget_container);
+
+        setSoundEffectsEnabled(false);
+        setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                showPagingFeedback();
+            }
+        });
+    }
+
+    public void showPagingFeedback() {
+        mLeftStrip.makeEmGo();
+        mRightStrip.makeEmGo();
+    }
+}