Removing unnecessary delays, ensuring transition thumbnail is the size of the header. (Bug. 16987565)

Change-Id: Ic104876c5fe16997eca00e0a2b3d8644c927120c
diff --git a/core/java/android/app/ActivityOptions.java b/core/java/android/app/ActivityOptions.java
index 9dd4605..ffffb6c 100644
--- a/core/java/android/app/ActivityOptions.java
+++ b/core/java/android/app/ActivityOptions.java
@@ -84,13 +84,13 @@
      * Initial width of the animation.
      * @hide
      */
-    public static final String KEY_ANIM_START_WIDTH = "android:animStartWidth";
+    public static final String KEY_ANIM_WIDTH = "android:animWidth";
 
     /**
      * Initial height of the animation.
      * @hide
      */
-    public static final String KEY_ANIM_START_HEIGHT = "android:animStartHeight";
+    public static final String KEY_ANIM_HEIGHT = "android:animHeight";
 
     /**
      * Callback for when animation is started.
@@ -140,8 +140,8 @@
     private Bitmap mThumbnail;
     private int mStartX;
     private int mStartY;
-    private int mStartWidth;
-    private int mStartHeight;
+    private int mWidth;
+    private int mHeight;
     private IRemoteCallback mAnimationStartedListener;
     private ResultReceiver mTransitionReceiver;
     private boolean mIsReturning;
@@ -238,13 +238,13 @@
      * defines the coordinate space for <var>startX</var> and <var>startY</var>.
      * @param startX The x starting location of the new activity, relative to <var>source</var>.
      * @param startY The y starting location of the activity, relative to <var>source</var>.
-     * @param startWidth The initial width of the new activity.
-     * @param startHeight The initial height of the new activity.
+     * @param width The initial width of the new activity.
+     * @param height The initial height of the new activity.
      * @return Returns a new ActivityOptions object that you can use to
      * supply these options as the options Bundle when starting an activity.
      */
     public static ActivityOptions makeScaleUpAnimation(View source,
-            int startX, int startY, int startWidth, int startHeight) {
+            int startX, int startY, int width, int height) {
         ActivityOptions opts = new ActivityOptions();
         opts.mPackageName = source.getContext().getPackageName();
         opts.mAnimationType = ANIM_SCALE_UP;
@@ -252,8 +252,8 @@
         source.getLocationOnScreen(pts);
         opts.mStartX = pts[0] + startX;
         opts.mStartY = pts[1] + startY;
-        opts.mStartWidth = startWidth;
-        opts.mStartHeight = startHeight;
+        opts.mWidth = width;
+        opts.mHeight = height;
         return opts;
     }
 
@@ -359,9 +359,10 @@
      * @hide
      */
     public static ActivityOptions makeThumbnailAspectScaleUpAnimation(View source,
-            Bitmap thumbnail, int startX, int startY, OnAnimationStartedListener listener) {
-        return makeAspectScaledThumbnailAnimation(source, thumbnail, startX, startY, listener,
-                true);
+            Bitmap thumbnail, int startX, int startY, int targetWidth, int targetHeight,
+            OnAnimationStartedListener listener) {
+        return makeAspectScaledThumbnailAnimation(source, thumbnail, startX, startY,
+                targetWidth, targetHeight, listener, true);
     }
 
     /**
@@ -382,13 +383,15 @@
      * @hide
      */
     public static ActivityOptions makeThumbnailAspectScaleDownAnimation(View source,
-            Bitmap thumbnail, int startX, int startY, OnAnimationStartedListener listener) {
-        return makeAspectScaledThumbnailAnimation(source, thumbnail, startX, startY, listener,
-                false);
+            Bitmap thumbnail, int startX, int startY, int targetWidth, int targetHeight,
+            OnAnimationStartedListener listener) {
+        return makeAspectScaledThumbnailAnimation(source, thumbnail, startX, startY,
+                targetWidth, targetHeight, listener, false);
     }
 
     private static ActivityOptions makeAspectScaledThumbnailAnimation(View source, Bitmap thumbnail,
-            int startX, int startY, OnAnimationStartedListener listener, boolean scaleUp) {
+            int startX, int startY, int targetWidth, int targetHeight,
+            OnAnimationStartedListener listener, boolean scaleUp) {
         ActivityOptions opts = new ActivityOptions();
         opts.mPackageName = source.getContext().getPackageName();
         opts.mAnimationType = scaleUp ? ANIM_THUMBNAIL_ASPECT_SCALE_UP :
@@ -398,6 +401,8 @@
         source.getLocationOnScreen(pts);
         opts.mStartX = pts[0] + startX;
         opts.mStartY = pts[1] + startY;
+        opts.mWidth = targetWidth;
+        opts.mHeight = targetHeight;
         opts.setOnAnimationStartedListener(source.getHandler(), listener);
         return opts;
     }
@@ -543,8 +548,8 @@
             case ANIM_SCALE_UP:
                 mStartX = opts.getInt(KEY_ANIM_START_X, 0);
                 mStartY = opts.getInt(KEY_ANIM_START_Y, 0);
-                mStartWidth = opts.getInt(KEY_ANIM_START_WIDTH, 0);
-                mStartHeight = opts.getInt(KEY_ANIM_START_HEIGHT, 0);
+                mWidth = opts.getInt(KEY_ANIM_WIDTH, 0);
+                mHeight = opts.getInt(KEY_ANIM_HEIGHT, 0);
                 break;
 
             case ANIM_THUMBNAIL_SCALE_UP:
@@ -554,6 +559,8 @@
                 mThumbnail = (Bitmap) opts.getParcelable(KEY_ANIM_THUMBNAIL);
                 mStartX = opts.getInt(KEY_ANIM_START_X, 0);
                 mStartY = opts.getInt(KEY_ANIM_START_Y, 0);
+                mWidth = opts.getInt(KEY_ANIM_WIDTH, 0);
+                mHeight = opts.getInt(KEY_ANIM_HEIGHT, 0);
                 mAnimationStartedListener = IRemoteCallback.Stub.asInterface(
                         opts.getBinder(KEY_ANIM_START_LISTENER));
                 break;
@@ -605,13 +612,13 @@
     }
 
     /** @hide */
-    public int getStartWidth() {
-        return mStartWidth;
+    public int getWidth() {
+        return mWidth;
     }
 
     /** @hide */
-    public int getStartHeight() {
-        return mStartHeight;
+    public int getHeight() {
+        return mHeight;
     }
 
     /** @hide */
@@ -690,8 +697,8 @@
             case ANIM_SCALE_UP:
                 mStartX = otherOptions.mStartX;
                 mStartY = otherOptions.mStartY;
-                mStartWidth = otherOptions.mStartWidth;
-                mStartHeight = otherOptions.mStartHeight;
+                mWidth = otherOptions.mWidth;
+                mHeight = otherOptions.mHeight;
                 if (mAnimationStartedListener != null) {
                     try {
                         mAnimationStartedListener.sendResult(null);
@@ -707,6 +714,8 @@
                 mThumbnail = otherOptions.mThumbnail;
                 mStartX = otherOptions.mStartX;
                 mStartY = otherOptions.mStartY;
+                mWidth = otherOptions.mWidth;
+                mHeight = otherOptions.mHeight;
                 if (mAnimationStartedListener != null) {
                     try {
                         mAnimationStartedListener.sendResult(null);
@@ -755,8 +764,8 @@
             case ANIM_SCALE_UP:
                 b.putInt(KEY_ANIM_START_X, mStartX);
                 b.putInt(KEY_ANIM_START_Y, mStartY);
-                b.putInt(KEY_ANIM_START_WIDTH, mStartWidth);
-                b.putInt(KEY_ANIM_START_HEIGHT, mStartHeight);
+                b.putInt(KEY_ANIM_WIDTH, mWidth);
+                b.putInt(KEY_ANIM_HEIGHT, mHeight);
                 break;
             case ANIM_THUMBNAIL_SCALE_UP:
             case ANIM_THUMBNAIL_SCALE_DOWN:
@@ -765,6 +774,8 @@
                 b.putParcelable(KEY_ANIM_THUMBNAIL, mThumbnail);
                 b.putInt(KEY_ANIM_START_X, mStartX);
                 b.putInt(KEY_ANIM_START_Y, mStartY);
+                b.putInt(KEY_ANIM_WIDTH, mWidth);
+                b.putInt(KEY_ANIM_HEIGHT, mHeight);
                 b.putBinder(KEY_ANIM_START_LISTENER, mAnimationStartedListener
                         != null ? mAnimationStartedListener.asBinder() : null);
                 break;
diff --git a/core/java/android/view/IWindowManager.aidl b/core/java/android/view/IWindowManager.aidl
index 5d6d998..6aa86c7 100644
--- a/core/java/android/view/IWindowManager.aidl
+++ b/core/java/android/view/IWindowManager.aidl
@@ -94,7 +94,8 @@
     void overridePendingAppTransitionThumb(in Bitmap srcThumb, int startX, int startY,
             IRemoteCallback startedCallback, boolean scaleUp);
     void overridePendingAppTransitionAspectScaledThumb(in Bitmap srcThumb, int startX,
-            int startY, IRemoteCallback startedCallback, boolean scaleUp);
+            int startY, int targetWidth, int targetHeight, IRemoteCallback startedCallback,
+            boolean scaleUp);
     void executeAppTransition();
     void setAppStartingWindow(IBinder token, String pkg, int theme,
             in CompatibilityInfo compatInfo, CharSequence nonLocalizedLabel, int labelRes,
diff --git a/packages/SystemUI/src/com/android/systemui/recents/AlternateRecentsComponent.java b/packages/SystemUI/src/com/android/systemui/recents/AlternateRecentsComponent.java
index 2d114c0..64617bf 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/AlternateRecentsComponent.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/AlternateRecentsComponent.java
@@ -385,9 +385,9 @@
                 toTask);
         if (toTransform != null && toTask.key != null) {
             Rect toTaskRect = toTransform.rect;
-
-            // XXX: Reduce the memory usage the to the task bar height
-            Bitmap thumbnail = Bitmap.createBitmap(toTaskRect.width(), toTaskRect.height(),
+            int toHeaderWidth = (int) (mHeaderBar.getMeasuredWidth() * toTransform.scale);
+            int toHeaderHeight = (int) (mHeaderBar.getMeasuredHeight() * toTransform.scale);
+            Bitmap thumbnail = Bitmap.createBitmap(toHeaderWidth, toHeaderHeight,
                     Bitmap.Config.ARGB_8888);
             if (Constants.DebugFlags.App.EnableTransitionThumbnailDebugMode) {
                 thumbnail.eraseColor(0xFFff0000);
@@ -401,7 +401,8 @@
 
             mStartAnimationTriggered = false;
             return ActivityOptions.makeThumbnailAspectScaleDownAnimation(mStatusBarView,
-                    thumbnail, toTaskRect.left, toTaskRect.top, this);
+                    thumbnail, toTaskRect.left, toTaskRect.top, toTaskRect.width(),
+                    toTaskRect.height(), this);
         }
 
         // If both the screenshot and thumbnail fails, then just fall back to the default transition
diff --git a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
index 0c6e7b6..1bfb41f 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/RecentsView.java
@@ -413,10 +413,8 @@
         final SystemServicesProxy ssp =
                 RecentsTaskLoader.getInstance().getSystemServicesProxy();
         ActivityOptions opts = null;
-        int thumbnailWidth = transform.rect.width();
-        int thumbnailHeight = transform.rect.height();
-        if (task.thumbnail != null && thumbnailWidth > 0 && thumbnailHeight > 0 &&
-                task.thumbnail.getWidth() > 0 && task.thumbnail.getHeight() > 0) {
+        if (task.thumbnail != null && task.thumbnail.getWidth() > 0 &&
+                task.thumbnail.getHeight() > 0) {
             Bitmap b;
             if (tv != null) {
                 // Disable any focused state before we draw the header
@@ -424,7 +422,11 @@
                     tv.unsetFocusedTask();
                 }
 
-                b = Bitmap.createBitmap(thumbnailWidth, thumbnailHeight, Bitmap.Config.ARGB_8888);
+                float scale = tv.getScaleX();
+                int fromHeaderWidth = (int) (tv.mHeaderView.getMeasuredWidth() * scale);
+                int fromHeaderHeight = (int) (tv.mHeaderView.getMeasuredHeight() * scale);
+                b = Bitmap.createBitmap(fromHeaderWidth, fromHeaderHeight,
+                        Bitmap.Config.ARGB_8888);
                 if (Constants.DebugFlags.App.EnableTransitionThumbnailDebugMode) {
                     b.eraseColor(0xFFff0000);
                 } else {
@@ -435,7 +437,7 @@
                 }
             } else {
                 // Notify the system to skip the thumbnail layer by using an ALPHA_8 bitmap
-                b = Bitmap.createBitmap(thumbnailWidth, thumbnailHeight, Bitmap.Config.ALPHA_8);
+                b = Bitmap.createBitmap(1, 1, Bitmap.Config.ALPHA_8);
             }
             ActivityOptions.OnAnimationStartedListener animStartedListener = null;
             if (lockToTask) {
@@ -456,7 +458,8 @@
                 };
             }
             opts = ActivityOptions.makeThumbnailAspectScaleUpAnimation(sourceView,
-                    b, offsetX, offsetY, animStartedListener);
+                    b, offsetX, offsetY, transform.rect.width(), transform.rect.height(),
+                    animStartedListener);
         }
 
         final ActivityOptions launchOpts = opts;
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 eecc170..49aa52b 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/views/TaskView.java
@@ -839,25 +839,28 @@
 
     @Override
      public void onClick(final View v) {
-        // We purposely post the handler delayed to allow for the touch feedback to draw
         final TaskView tv = this;
-        postDelayed(new Runnable() {
-            @Override
-            public void run() {
-                if (Constants.DebugFlags.App.EnableTaskFiltering && v == mHeaderView.mApplicationIcon) {
-                    mCb.onTaskViewAppIconClicked(tv);
-                } else if (v == mHeaderView.mDismissButton) {
-                    dismissTask();
-                } else {
-                    if (v == mActionButtonView) {
-                        // Reset the translation of the action button before we animate it out
-                        mActionButtonView.setTranslationZ(0f);
+        final boolean delayViewClick = (v != this);
+        if (delayViewClick) {
+            // We purposely post the handler delayed to allow for the touch feedback to draw
+            postDelayed(new Runnable() {
+                @Override
+                public void run() {
+                    if (Constants.DebugFlags.App.EnableTaskFiltering && v == mHeaderView.mApplicationIcon) {
+                        mCb.onTaskViewAppIconClicked(tv);
+                    } else if (v == mHeaderView.mDismissButton) {
+                        dismissTask();
                     }
-                    mCb.onTaskViewClicked(tv, tv.getTask(),
-                            (v == mFooterView || v == mActionButtonView));
                 }
+            }, 125);
+        } else {
+            if (v == mActionButtonView) {
+                // Reset the translation of the action button before we animate it out
+                mActionButtonView.setTranslationZ(0f);
             }
-        }, 125);
+            mCb.onTaskViewClicked(tv, tv.getTask(),
+                    (v == mFooterView || v == mActionButtonView));
+        }
     }
 
     /**** View.OnLongClickListener Implementation ****/
diff --git a/services/core/java/com/android/server/am/ActivityRecord.java b/services/core/java/com/android/server/am/ActivityRecord.java
index 77b4cc9..e043f03 100755
--- a/services/core/java/com/android/server/am/ActivityRecord.java
+++ b/services/core/java/com/android/server/am/ActivityRecord.java
@@ -698,12 +698,12 @@
                 case ActivityOptions.ANIM_SCALE_UP:
                     service.mWindowManager.overridePendingAppTransitionScaleUp(
                             pendingOptions.getStartX(), pendingOptions.getStartY(),
-                            pendingOptions.getStartWidth(), pendingOptions.getStartHeight());
+                            pendingOptions.getWidth(), pendingOptions.getHeight());
                     if (intent.getSourceBounds() == null) {
                         intent.setSourceBounds(new Rect(pendingOptions.getStartX(),
                                 pendingOptions.getStartY(),
-                                pendingOptions.getStartX()+pendingOptions.getStartWidth(),
-                                pendingOptions.getStartY()+pendingOptions.getStartHeight()));
+                                pendingOptions.getStartX()+pendingOptions.getWidth(),
+                                pendingOptions.getStartY()+pendingOptions.getHeight()));
                     }
                     break;
                 case ActivityOptions.ANIM_THUMBNAIL_SCALE_UP:
@@ -728,15 +728,14 @@
                     service.mWindowManager.overridePendingAppTransitionAspectScaledThumb(
                             pendingOptions.getThumbnail(),
                             pendingOptions.getStartX(), pendingOptions.getStartY(),
+                            pendingOptions.getWidth(), pendingOptions.getHeight(),
                             pendingOptions.getOnAnimationStartListener(),
                             (animationType == ActivityOptions.ANIM_THUMBNAIL_ASPECT_SCALE_UP));
                     if (intent.getSourceBounds() == null) {
                         intent.setSourceBounds(new Rect(pendingOptions.getStartX(),
                                 pendingOptions.getStartY(),
-                                pendingOptions.getStartX()
-                                        + pendingOptions.getThumbnail().getWidth(),
-                                pendingOptions.getStartY()
-                                        + pendingOptions.getThumbnail().getHeight()));
+                                pendingOptions.getStartX() + pendingOptions.getWidth(),
+                                pendingOptions.getStartY() + pendingOptions.getHeight()));
                     }
                     break;
                 default:
diff --git a/services/core/java/com/android/server/wm/AppTransition.java b/services/core/java/com/android/server/wm/AppTransition.java
index aabb8f7..bfc7659 100644
--- a/services/core/java/com/android/server/wm/AppTransition.java
+++ b/services/core/java/com/android/server/wm/AppTransition.java
@@ -569,9 +569,9 @@
             int appWidth, int appHeight, int orientation, int transit, Rect containingFrame,
             Rect contentInsets, boolean isFullScreen) {
         Animation a;
-        final int thumbWidthI = mNextAppTransitionThumbnail.getWidth();
+        final int thumbWidthI = mNextAppTransitionStartWidth;
         final float thumbWidth = thumbWidthI > 0 ? thumbWidthI : 1;
-        final int thumbHeightI = mNextAppTransitionThumbnail.getHeight();
+        final int thumbHeightI = mNextAppTransitionStartHeight;
         final float thumbHeight = thumbHeightI > 0 ? thumbHeightI : 1;
 
         // Used for the ENTER_SCALE_UP and EXIT_SCALE_DOWN transitions
@@ -993,7 +993,7 @@
     }
 
     void overridePendingAppTransitionAspectScaledThumb(Bitmap srcThumb, int startX, int startY,
-            IRemoteCallback startedCallback, boolean scaleUp) {
+            int targetWidth, int targetHeight, IRemoteCallback startedCallback, boolean scaleUp) {
         if (isTransitionSet()) {
             mNextAppTransitionType = scaleUp ? NEXT_TRANSIT_TYPE_THUMBNAIL_ASPECT_SCALE_UP
                     : NEXT_TRANSIT_TYPE_THUMBNAIL_ASPECT_SCALE_DOWN;
@@ -1002,6 +1002,8 @@
             mNextAppTransitionScaleUp = scaleUp;
             mNextAppTransitionStartX = startX;
             mNextAppTransitionStartY = startY;
+            mNextAppTransitionStartWidth = targetWidth;
+            mNextAppTransitionStartHeight = targetHeight;
             postAnimationCallback();
             mNextAppTransitionCallback = startedCallback;
         } else {
@@ -1138,6 +1140,10 @@
                         pw.print(mNextAppTransitionStartX);
                         pw.print(" mNextAppTransitionStartY=");
                         pw.println(mNextAppTransitionStartY);
+                        pw.print(" mNextAppTransitionStartWidth=");
+                        pw.print(mNextAppTransitionStartWidth);
+                        pw.print(" mNextAppTransitionStartHeight=");
+                        pw.println(mNextAppTransitionStartHeight);
                 pw.print("  mNextAppTransitionScaleUp="); pw.println(mNextAppTransitionScaleUp);
                 break;
         }
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index a1afe29..c36a998 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -4031,10 +4031,11 @@
 
     @Override
     public void overridePendingAppTransitionAspectScaledThumb(Bitmap srcThumb, int startX,
-            int startY, IRemoteCallback startedCallback, boolean scaleUp) {
+            int startY, int targetWidth, int targetHeight, IRemoteCallback startedCallback,
+            boolean scaleUp) {
         synchronized(mWindowMap) {
             mAppTransition.overridePendingAppTransitionAspectScaledThumb(srcThumb, startX,
-                    startY, startedCallback, scaleUp);
+                    startY, targetWidth, targetHeight, startedCallback, scaleUp);
         }
     }
 
diff --git a/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java b/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
index 2604e97..c403ce6 100644
--- a/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
+++ b/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
@@ -222,7 +222,8 @@
 
     @Override
     public void overridePendingAppTransitionAspectScaledThumb(Bitmap srcThumb, int startX,
-            int startY, IRemoteCallback startedCallback, boolean scaleUp) {
+            int startY, int targetWidth, int targetHeight, IRemoteCallback startedCallback,
+            boolean scaleUp) {
         // TODO Auto-generated method stub
     }