Adding reveal transition to show app-overlay.

- Instead of long-pressing the icon to launch into app info directly,
  this will mirror notifications and reveal a space that can show the
  app name and a link to app info.

Change-Id: I91c5839719b030a65744f5e677a436e9c719c578
diff --git a/packages/SystemUI/res/drawable/recents_info_dark.xml b/packages/SystemUI/res/drawable/recents_info_dark.xml
new file mode 100644
index 0000000..b1a2242
--- /dev/null
+++ b/packages/SystemUI/res/drawable/recents_info_dark.xml
@@ -0,0 +1,24 @@
+<!--
+Copyright (C) 2014 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.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="48.0dp"
+        android:height="48.0dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="@color/recents_task_bar_dark_icon_color"
+        android:pathData="M12.000000,2.000000C6.500000,2.000000 2.000000,6.500000 2.000000,12.000000s4.500000,10.000000 10.000000,10.000000c5.500000,0.000000 10.000000,-4.500000 10.000000,-10.000000S17.500000,2.000000 12.000000,2.000000zM13.000000,17.000000l-2.000000,0.000000l0.000000,-6.000000l2.000000,0.000000L13.000000,17.000000zM13.000000,9.000000l-2.000000,0.000000L11.000000,7.000000l2.000000,0.000000L13.000000,9.000000z"/>
+</vector>
diff --git a/packages/SystemUI/res/drawable/recents_info_light.xml b/packages/SystemUI/res/drawable/recents_info_light.xml
new file mode 100644
index 0000000..bc58c3b
--- /dev/null
+++ b/packages/SystemUI/res/drawable/recents_info_light.xml
@@ -0,0 +1,24 @@
+<!--
+Copyright (C) 2014 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.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="48.0dp"
+        android:height="48.0dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:pathData="M12.000000,2.000000C6.500000,2.000000 2.000000,6.500000 2.000000,12.000000s4.500000,10.000000 10.000000,10.000000c5.500000,0.000000 10.000000,-4.500000 10.000000,-10.000000S17.500000,2.000000 12.000000,2.000000zM13.000000,17.000000l-2.000000,0.000000l0.000000,-6.000000l2.000000,0.000000L13.000000,17.000000zM13.000000,9.000000l-2.000000,0.000000L11.000000,7.000000l2.000000,0.000000L13.000000,9.000000z"
+        android:fillColor="#FFFFFF"/>
+</vector>
diff --git a/packages/SystemUI/res/layout/recents_task_view_header.xml b/packages/SystemUI/res/layout/recents_task_view_header.xml
index 07ac39a..a94e781 100644
--- a/packages/SystemUI/res/layout/recents_task_view_header.xml
+++ b/packages/SystemUI/res/layout/recents_task_view_header.xml
@@ -64,12 +64,19 @@
         android:background="@drawable/recents_button_bg"
         android:visibility="invisible"
         android:src="@drawable/recents_dismiss_light" />
-    <ProgressBar
-        android:id="@+id/focus_timer_indicator"
-        style="?android:attr/progressBarStyleHorizontal"
-        android:layout_width="match_parent"
-        android:layout_height="5dp"
-        android:layout_gravity="bottom"
-        android:indeterminateOnly="false"
-        android:visibility="invisible" />
+
+    <!-- The progress indicator shows if auto-paging is enabled -->
+    <ViewStub android:id="@+id/focus_timer_indicator_stub"
+               android:inflatedId="@+id/focus_timer_indicator"
+               android:layout="@layout/recents_task_view_header_progress_bar"
+               android:layout_width="match_parent"
+               android:layout_height="5dp"
+               android:layout_gravity="bottom" />
+
+    <!-- The app overlay shows as the user long-presses on the app icon -->
+    <ViewStub android:id="@+id/app_overlay_stub"
+               android:inflatedId="@+id/app_overlay"
+               android:layout="@layout/recents_task_view_header_overlay"
+               android:layout_width="match_parent"
+               android:layout_height="match_parent" />
 </com.android.systemui.recents.views.TaskViewHeader>
diff --git a/packages/SystemUI/res/layout/recents_task_view_header_overlay.xml b/packages/SystemUI/res/layout/recents_task_view_header_overlay.xml
new file mode 100644
index 0000000..5cdde9e
--- /dev/null
+++ b/packages/SystemUI/res/layout/recents_task_view_header_overlay.xml
@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 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.
+-->
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:visibility="gone">
+    <com.android.systemui.recents.views.FixedSizeImageView
+        android:id="@+id/app_icon"
+        android:contentDescription="@string/recents_app_info_button_label"
+        android:layout_width="@dimen/recents_task_view_application_icon_size"
+        android:layout_height="@dimen/recents_task_view_application_icon_size"
+        android:layout_marginStart="8dp"
+        android:layout_gravity="center_vertical|start"
+        android:padding="8dp" />
+    <TextView
+        android:id="@+id/app_title"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical|start"
+        android:layout_marginStart="64dp"
+        android:layout_marginEnd="112dp"
+        android:textSize="16sp"
+        android:textColor="#ffffffff"
+        android:text="@string/recents_empty_message"
+        android:fontFamily="sans-serif-medium"
+        android:singleLine="true"
+        android:maxLines="2"
+        android:ellipsize="marquee"
+        android:fadingEdge="horizontal" />
+    <com.android.systemui.recents.views.FixedSizeImageView
+        android:id="@+id/app_info"
+        android:layout_width="48dp"
+        android:layout_height="48dp"
+        android:layout_marginEnd="4dp"
+        android:layout_gravity="center_vertical|end"
+        android:padding="12dp"
+        android:background="@drawable/recents_button_bg"
+        android:src="@drawable/recents_info_light" />
+</FrameLayout>
\ No newline at end of file
diff --git a/packages/SystemUI/res/layout/recents_task_view_header_progress_bar.xml b/packages/SystemUI/res/layout/recents_task_view_header_progress_bar.xml
new file mode 100644
index 0000000..e740458
--- /dev/null
+++ b/packages/SystemUI/res/layout/recents_task_view_header_progress_bar.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 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.
+-->
+<ProgressBar
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    style="?android:attr/progressBarStyleHorizontal"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:indeterminateOnly="false"
+    android:visibility="gone" />
\ No newline at end of file
diff --git a/packages/SystemUI/src/com/android/systemui/recents/history/RecentsHistoryAdapter.java b/packages/SystemUI/src/com/android/systemui/recents/history/RecentsHistoryAdapter.java
index fe23fa0..f6655c7 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/history/RecentsHistoryAdapter.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/history/RecentsHistoryAdapter.java
@@ -144,7 +144,6 @@
 
     private Context mContext;
     private LayoutInflater mLayoutInflater;
-    private final List<Task> mTasks = new ArrayList<>();
     private final List<Row> mRows = new ArrayList<>();
     private final SparseIntArray mTaskRowCount = new SparseIntArray();
     private TaskStack mStack;
diff --git a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
index adc1e92..3f52ae8 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
@@ -30,6 +30,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
+import android.content.pm.ApplicationInfo;
 import android.content.pm.IPackageManager;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
@@ -554,39 +555,41 @@
         }
     }
 
-    /** Returns the activity label */
-    public String getActivityLabel(ActivityInfo info) {
+    /**
+     * Returns the activity label, badging if necessary.
+     */
+    public String getBadgedActivityLabel(ActivityInfo info, int userId) {
         if (mPm == null) return null;
 
         // If we are mocking, then return a mock label
         if (RecentsDebugFlags.Static.EnableSystemServicesProxy) {
-            return "Recent Task";
+            return "Recent Task: " + userId;
         }
 
-        return info.loadLabel(mPm).toString();
+        return getBadgedLabel(info.loadLabel(mPm).toString(), userId);
     }
 
-    /** Returns the application label */
-    public String getApplicationLabel(Intent baseIntent, int userId) {
+    /**
+     * Returns the application label, badging if necessary.
+     */
+    public String getBadgedApplicationLabel(ApplicationInfo appInfo, int userId) {
         if (mPm == null) return null;
 
         // If we are mocking, then return a mock label
         if (RecentsDebugFlags.Static.EnableSystemServicesProxy) {
-            return "Recent Task";
+            return "Recent Task App: " + userId;
         }
 
-        ResolveInfo ri = mPm.resolveActivityAsUser(baseIntent, 0, userId);
-        CharSequence label = (ri != null) ? ri.loadLabel(mPm) : null;
-        return (label != null) ? label.toString() : null;
+        return getBadgedLabel(appInfo.loadLabel(mPm).toString(), userId);
     }
 
-    /** Returns the content description for a given task */
-    public String getContentDescription(Intent baseIntent, int userId, String activityLabel,
-            Resources res) {
-        String applicationLabel = getApplicationLabel(baseIntent, userId);
-        if (applicationLabel == null) {
-            return getBadgedLabel(activityLabel, userId);
-        }
+    /**
+     * Returns the content description for a given task, badging it if necessary.  The content
+     * description joins the app and activity labels.
+     */
+    public String getBadgedContentDescription(ActivityInfo info, int userId, Resources res) {
+        String activityLabel = info.loadLabel(mPm).toString();
+        String applicationLabel = info.applicationInfo.loadLabel(mPm).toString();
         String badgedApplicationLabel = getBadgedLabel(applicationLabel, userId);
         return applicationLabel.equals(activityLabel) ? badgedApplicationLabel
                 : res.getString(R.string.accessibility_recents_task_header,
@@ -610,6 +613,22 @@
     }
 
     /**
+     * Returns the application icon for the ApplicationInfo for a user, badging if
+     * necessary.
+     */
+    public Drawable getBadgedApplicationIcon(ApplicationInfo appInfo, int userId) {
+        if (mPm == null) return null;
+
+        // If we are mocking, then return a mock label
+        if (RecentsDebugFlags.Static.EnableSystemServicesProxy) {
+            return new ColorDrawable(0xFF666666);
+        }
+
+        Drawable icon = appInfo.loadIcon(mPm);
+        return getBadgedIcon(icon, userId);
+    }
+
+    /**
      * Returns the task description icon, loading and badging it if it necessary.
      */
     public Drawable getBadgedTaskDescriptionIcon(ActivityManager.TaskDescription taskDescription,
diff --git a/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java b/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java
index 4bc42ea..9cdd703 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoadPlan.java
@@ -162,7 +162,7 @@
 
             // Load the title, icon, and color
             String title = loader.getAndUpdateActivityTitle(taskKey, t.taskDescription);
-            String contentDescription = loader.getAndUpdateContentDescription(taskKey, title, res);
+            String contentDescription = loader.getAndUpdateContentDescription(taskKey, res);
             String dismissDescription = String.format(dismissDescFormat, contentDescription);
             Drawable icon = isStackTask
                     ? loader.getAndUpdateActivityIcon(taskKey, t.taskDescription, res, false)
diff --git a/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoader.java b/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoader.java
index 8d8fec6..44ad239 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoader.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/model/RecentsTaskLoader.java
@@ -436,7 +436,7 @@
         // All short paths failed, load the label from the activity info and cache it
         ActivityInfo activityInfo = getAndUpdateActivityInfo(taskKey);
         if (activityInfo != null) {
-            label = ssp.getActivityLabel(activityInfo);
+            label = ssp.getBadgedActivityLabel(activityInfo, taskKey.userId);
             mActivityLabelCache.put(taskKey, label);
             return label;
         }
@@ -449,8 +449,7 @@
      * Returns the cached task content description if the task key is not expired, updating the
      * cache if it is.
      */
-    String getAndUpdateContentDescription(Task.TaskKey taskKey, String activityLabel,
-            Resources res) {
+    String getAndUpdateContentDescription(Task.TaskKey taskKey, Resources res) {
         SystemServicesProxy ssp = Recents.getSystemServices();
 
         // Return the cached content description if it exists
@@ -458,13 +457,11 @@
         if (label != null) {
             return label;
         }
-        // If the given activity label is empty, don't compute or cache the content description
-        if (activityLabel.isEmpty()) {
-            return "";
-        }
 
-        label = ssp.getContentDescription(taskKey.baseIntent, taskKey.userId, activityLabel, res);
-        if (label != null) {
+        // All short paths failed, load the label from the activity info and cache it
+        ActivityInfo activityInfo = getAndUpdateActivityInfo(taskKey);
+        if (activityInfo != null) {
+            label = ssp.getBadgedContentDescription(activityInfo, taskKey.userId, res);
             mContentDescriptionCache.put(taskKey, label);
             return label;
         }
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
index a314ae2..809d4ee 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java
@@ -1549,7 +1549,10 @@
         // Poke the doze trigger on user interaction
         mUIDozeTrigger.poke();
         if (event.showTimerIndicator && mFocusedTask != null) {
-            getChildViewForTask(mFocusedTask).getHeaderView().cancelFocusTimerIndicator();
+            TaskView tv = getChildViewForTask(mFocusedTask);
+            if (tv != null) {
+                tv.getHeaderView().cancelFocusTimerIndicator();
+            }
         }
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
index ba0fc8f..1f8216f 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
@@ -162,6 +162,7 @@
 
     /** Resets this TaskView for reuse. */
     void reset() {
+        mHeaderView.reset();
         resetViewProperties();
         resetNoUserInteractionState();
         setClipViewInStack(false);
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
index 15cb14a..2563190 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskViewHeader.java
@@ -16,22 +16,27 @@
 
 package com.android.systemui.recents.views;
 
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
 import android.annotation.Nullable;
+import android.content.ComponentName;
 import android.content.Context;
+import android.content.pm.ActivityInfo;
 import android.content.res.Resources;
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.ColorFilter;
 import android.graphics.Paint;
-import android.graphics.PorterDuff;
 import android.graphics.PixelFormat;
+import android.graphics.PorterDuff;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
-import android.graphics.drawable.RippleDrawable;
-import android.support.v4.graphics.ColorUtils;
 import android.os.CountDownTimer;
+import android.support.v4.graphics.ColorUtils;
 import android.util.AttributeSet;
 import android.view.View;
+import android.view.ViewAnimationUtils;
+import android.view.ViewStub;
 import android.view.animation.AnimationUtils;
 import android.view.animation.Interpolator;
 import android.widget.FrameLayout;
@@ -39,10 +44,10 @@
 import android.widget.ProgressBar;
 import android.widget.TextView;
 import com.android.internal.logging.MetricsLogger;
-
 import com.android.systemui.R;
 import com.android.systemui.recents.Constants;
 import com.android.systemui.recents.Recents;
+import com.android.systemui.recents.RecentsDebugFlags;
 import com.android.systemui.recents.events.EventBus;
 import com.android.systemui.recents.events.activity.LaunchTaskEvent;
 import com.android.systemui.recents.events.ui.ShowApplicationInfoEvent;
@@ -59,6 +64,8 @@
         implements View.OnClickListener, View.OnLongClickListener {
 
     private static final float HIGHLIGHT_LIGHTNESS_INCREMENT = 0.125f;
+    private static final float OVERLAY_LIGHTNESS_INCREMENT = -0.0625f;
+    private static final int OVERLAY_REVEAL_DURATION = 250;
     private static final long FOCUS_INDICATOR_INTERVAL_MS = 30;
 
     /**
@@ -69,8 +76,6 @@
         private Paint mHighlightPaint = new Paint();
         private Paint mBackgroundPaint = new Paint();
 
-        private float[] mTmpHSL = new float[3];
-
         public HighlightColorDrawable() {
             mBackgroundPaint.setColor(Color.argb(255, 0, 0, 0));
             mBackgroundPaint.setAntiAlias(true);
@@ -122,11 +127,16 @@
     Task mTask;
 
     // Header views
-    ImageView mMoveTaskButton;
-    ImageView mDismissButton;
     ImageView mIconView;
     TextView mTitleView;
-    int mMoveTaskTargetStackId = INVALID_STACK_ID;
+    ImageView mMoveTaskButton;
+    ImageView mDismissButton;
+    ViewStub mAppOverlayViewStub;
+    FrameLayout mAppOverlayView;
+    ImageView mAppIconView;
+    ImageView mAppInfoView;
+    TextView mAppTitleView;
+    ViewStub mFocusTimerIndicatorStub;
     ProgressBar mFocusTimerIndicator;
 
     // Header drawables
@@ -140,21 +150,26 @@
     Drawable mDarkFreeformIcon;
     Drawable mLightFullscreenIcon;
     Drawable mDarkFullscreenIcon;
+    Drawable mLightInfoIcon;
+    Drawable mDarkInfoIcon;
     int mTaskBarViewLightTextColor;
     int mTaskBarViewDarkTextColor;
+    int mMoveTaskTargetStackId = INVALID_STACK_ID;
 
     // Header background
     private HighlightColorDrawable mBackground;
+    private HighlightColorDrawable mOverlayBackground;
+    private float[] mTmpHSL = new float[3];
 
     // Header dim, which is only used when task view hardware layers are not used
     private Paint mDimLayerPaint = new Paint();
 
     Interpolator mFastOutSlowInInterpolator;
     Interpolator mFastOutLinearInInterpolator;
+    Interpolator mLinearOutSlowInInterpolator;
 
-    long mFocusIndicatorProgress;
     private CountDownTimer mFocusTimerCountDown;
-    long mFocusTimerDuration;
+    private long mFocusTimerDuration;
 
     public TaskViewHeader(Context context) {
         this(context, null);
@@ -184,36 +199,45 @@
         mDarkFreeformIcon = context.getDrawable(R.drawable.recents_move_task_freeform_dark);
         mLightFullscreenIcon = context.getDrawable(R.drawable.recents_move_task_fullscreen_light);
         mDarkFullscreenIcon = context.getDrawable(R.drawable.recents_move_task_fullscreen_dark);
+        mLightInfoIcon = context.getDrawable(R.drawable.recents_info_light);
+        mDarkInfoIcon = context.getDrawable(R.drawable.recents_info_dark);
 
         mFastOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
                 com.android.internal.R.interpolator.fast_out_slow_in);
         mFastOutLinearInInterpolator = AnimationUtils.loadInterpolator(context,
                 com.android.internal.R.interpolator.fast_out_linear_in);
+        mLinearOutSlowInInterpolator = AnimationUtils.loadInterpolator(context,
+                com.android.internal.R.interpolator.linear_out_slow_in);
 
         // Configure the background and dim
         mBackground = new HighlightColorDrawable();
         mBackground.setColorAndDim(Color.argb(255, 0, 0, 0), 0f);
         setBackground(mBackground);
+        mOverlayBackground = new HighlightColorDrawable();
         mDimLayerPaint.setColor(Color.argb(255, 0, 0, 0));
         mDimLayerPaint.setAntiAlias(true);
         mFocusTimerDuration = res.getInteger(R.integer.recents_auto_advance_duration);
     }
 
+    /**
+     * Resets this header along with the TaskView.
+     */
+    public void reset() {
+        hideAppOverlay(true /* immediate */);
+    }
+
     @Override
     protected void onFinishInflate() {
         // Initialize the icon and description views
         mIconView = (ImageView) findViewById(R.id.icon);
+        mIconView.setClickable(false);
         mIconView.setOnLongClickListener(this);
         mTitleView = (TextView) findViewById(R.id.title);
         mDismissButton = (ImageView) findViewById(R.id.dismiss_task);
         mDismissButton.setOnClickListener(this);
         mMoveTaskButton = (ImageView) findViewById(R.id.move_task);
-        mFocusTimerIndicator = (ProgressBar) findViewById(R.id.focus_timer_indicator);
-
-        // Hide the backgrounds if they are ripple drawables
-        if (mIconView.getBackground() instanceof RippleDrawable) {
-            mIconView.setBackground(null);
-        }
+        mFocusTimerIndicatorStub = (ViewStub) findViewById(R.id.focus_timer_indicator_stub);
+        mAppOverlayViewStub = (ViewStub) findViewById(R.id.app_overlay_stub);
     }
 
     /**
@@ -275,11 +299,6 @@
     }
 
     @Override
-    protected boolean verifyDrawable(Drawable who) {
-        return super.verifyDrawable(who) || (who == mBackground);
-    }
-
-    @Override
     protected void dispatchDraw(Canvas canvas) {
         super.dispatchDraw(canvas);
 
@@ -290,6 +309,10 @@
 
     /** Starts the focus timer. */
     public void startFocusTimerIndicator() {
+        if (mFocusTimerIndicator == null) {
+            return;
+        }
+
         mFocusTimerIndicator.setVisibility(View.VISIBLE);
         mFocusTimerIndicator.setMax((int) mFocusTimerDuration);
         if (mFocusTimerCountDown == null) {
@@ -310,7 +333,11 @@
 
     /** Cancels the focus timer. */
     public void cancelFocusTimerIndicator() {
-        if (mFocusTimerCountDown != null && mFocusTimerIndicator != null) {
+        if (mFocusTimerIndicator == null) {
+            return;
+        }
+
+        if (mFocusTimerCountDown != null) {
             mFocusTimerCountDown.cancel();
             mFocusTimerIndicator.setProgress(0);
             mFocusTimerIndicator.setVisibility(View.INVISIBLE);
@@ -339,6 +366,10 @@
     private void updateBackgroundColor(float dimAlpha) {
         if (mTask != null) {
             mBackground.setColorAndDim(mTask.colorPrimary, dimAlpha);
+            // TODO: Consider using the saturation of the color to adjust the lightness as well
+            ColorUtils.colorToHSL(mTask.colorPrimary, mTmpHSL);
+            mTmpHSL[2] = Math.min(1f, mTmpHSL[2] + OVERLAY_LIGHTNESS_INCREMENT * (1.0f - dimAlpha));
+            mOverlayBackground.setColorAndDim(ColorUtils.HSLToColor(mTmpHSL), dimAlpha);
             mDimLayerPaint.setAlpha((int) (dimAlpha * 255));
         }
     }
@@ -384,10 +415,15 @@
             mMoveTaskButton.setOnClickListener(this);
         }
 
-        mFocusTimerIndicator.getProgressDrawable()
-                .setColorFilter(
-                        getSecondaryColor(t.colorPrimary, t.useLightOnPrimaryColor),
-                        PorterDuff.Mode.SRC_IN);
+        if (Recents.getDebugFlags().isFastToggleIndicatorEnabled()) {
+            if (mFocusTimerIndicator == null) {
+                mFocusTimerIndicator = (ProgressBar) mFocusTimerIndicatorStub.inflate();
+            }
+            mFocusTimerIndicator.getProgressDrawable()
+                    .setColorFilter(
+                            getSecondaryColor(t.colorPrimary, t.useLightOnPrimaryColor),
+                            PorterDuff.Mode.SRC_IN);
+        }
 
         // In accessibility, a single click on the focused app info button will show it
         if (ssp.isTouchExplorationEnabled()) {
@@ -449,8 +485,11 @@
     @Override
     public void onClick(View v) {
         if (v == mIconView) {
-            // In accessibility, a single click on the focused app info button will show it
-            EventBus.getDefault().send(new ShowApplicationInfoEvent(mTask));
+            SystemServicesProxy ssp = Recents.getSystemServices();
+            if (ssp.isTouchExplorationEnabled()) {
+                // In accessibility, a single click on the focused app info button will show it
+                EventBus.getDefault().send(new ShowApplicationInfoEvent(mTask));
+            }
         } else if (v == mDismissButton) {
             TaskView tv = Utilities.findParent(this, TaskView.class);
             tv.dismissTask();
@@ -465,15 +504,92 @@
                     : new Rect();
             EventBus.getDefault().send(new LaunchTaskEvent(tv, mTask, bounds,
                     mMoveTaskTargetStackId, false));
+        } else if (v == mAppInfoView) {
+            EventBus.getDefault().send(new ShowApplicationInfoEvent(mTask));
+        } else if (v == mAppIconView) {
+            hideAppOverlay(false /* immediate */);
         }
     }
 
     @Override
     public boolean onLongClick(View v) {
         if (v == mIconView) {
-            EventBus.getDefault().send(new ShowApplicationInfoEvent(mTask));
+            showAppOverlay();
+            return true;
+        } else if (v == mAppIconView) {
+            hideAppOverlay(false /* immediate */);
             return true;
         }
         return false;
     }
+
+    /**
+     * Shows the application overlay.
+     */
+    private void showAppOverlay() {
+        // Skip early if the task is invalid
+        SystemServicesProxy ssp = Recents.getSystemServices();
+        ComponentName cn = mTask.key.getComponent();
+        int userId = mTask.key.userId;
+        ActivityInfo activityInfo = ssp.getActivityInfo(cn, userId);
+        if (activityInfo == null) {
+            return;
+        }
+
+        // Inflate the overlay if necessary
+        if (mAppOverlayView == null) {
+            mAppOverlayView = (FrameLayout) mAppOverlayViewStub.inflate();
+            mAppOverlayView.setBackground(mOverlayBackground);
+            mAppIconView = (ImageView) mAppOverlayView.findViewById(R.id.app_icon);
+            mAppIconView.setOnClickListener(this);
+            mAppIconView.setOnLongClickListener(this);
+            mAppInfoView = (ImageView) mAppOverlayView.findViewById(R.id.app_info);
+            mAppInfoView.setOnClickListener(this);
+            mAppTitleView = (TextView) mAppOverlayView.findViewById(R.id.app_title);
+        }
+
+        // Update the overlay contents for the current app
+        mAppTitleView.setText(ssp.getBadgedApplicationLabel(activityInfo.applicationInfo, userId));
+        mAppIconView.setImageDrawable(ssp.getBadgedApplicationIcon(activityInfo.applicationInfo, userId));
+        mAppInfoView.setImageDrawable(mTask.useLightOnPrimaryColor
+                ? mLightInfoIcon
+                : mDarkInfoIcon);
+        mAppOverlayView.setVisibility(View.VISIBLE);
+
+        int x = mIconView.getLeft() + mIconView.getWidth() / 2;
+        int y = mIconView.getTop() + mIconView.getHeight() / 2;
+        Animator revealAnim = ViewAnimationUtils.createCircularReveal(mAppOverlayView, x, y, 0,
+                getWidth());
+        revealAnim.setDuration(OVERLAY_REVEAL_DURATION);
+        revealAnim.setInterpolator(mLinearOutSlowInInterpolator);
+        revealAnim.start();
+    }
+
+    /**
+     * Hide the application overlay.
+     */
+    private void hideAppOverlay(boolean immediate) {
+        // Skip if we haven't even loaded the overlay yet
+        if (mAppOverlayView == null) {
+            return;
+        }
+
+        if (immediate) {
+            mAppOverlayView.setVisibility(View.GONE);
+        } else {
+            int x = mIconView.getLeft() + mIconView.getWidth() / 2;
+            int y = mIconView.getTop() + mIconView.getHeight() / 2;
+            Animator revealAnim = ViewAnimationUtils.createCircularReveal(mAppOverlayView, x, y,
+                    getWidth(), 0);
+            revealAnim.setDuration(OVERLAY_REVEAL_DURATION);
+            revealAnim.setInterpolator(mLinearOutSlowInInterpolator);
+            revealAnim.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    mAppOverlayView.setVisibility(View.GONE);
+                }
+            });
+            revealAnim.start();
+        }
+    }
 }