[automerger] Animate thumbnail dim after quick scrub settles am: c879dbf764

Change-Id: Ib1fedb0d73485d957c7398f3f4455622e3458525
diff --git a/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java b/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
index 3ff9921..ce17d25 100644
--- a/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
+++ b/quickstep/src/com/android/launcher3/LauncherAppTransitionManagerImpl.java
@@ -50,7 +50,9 @@
 import android.os.Build;
 import android.os.Handler;
 import android.os.Looper;
+import android.util.ArraySet;
 import android.util.Log;
+import android.util.Pair;
 import android.view.Surface;
 import android.view.View;
 import android.view.ViewGroup;
@@ -178,7 +180,15 @@
 
                         anim.play(getIconAnimator(v));
                         if (launcherClosing) {
-                            anim.play(getLauncherContentAnimator(false /* show */));
+                            Pair<AnimatorSet, Runnable> launcherContentAnimator =
+                                    getLauncherContentAnimator(false /* show */);
+                            anim.play(launcherContentAnimator.first);
+                            anim.addListener(new AnimatorListenerAdapter() {
+                                @Override
+                                public void onAnimationEnd(Animator animation) {
+                                    launcherContentAnimator.second.run();
+                                }
+                            });
                         }
                         anim.play(getWindowAnimators(v, targetCompats));
                     }
@@ -267,8 +277,9 @@
      * @param show If true: Animate the content so that it moves upwards and fades in.
      *             Else: Animate the content so that it moves downwards and fades out.
      */
-    private AnimatorSet getLauncherContentAnimator(boolean show) {
+    private Pair<AnimatorSet, Runnable> getLauncherContentAnimator(boolean show) {
         AnimatorSet launcherAnimator = new AnimatorSet();
+        Runnable endListener;
 
         float[] alphas = show
                 ? new float[] {0, 1}
@@ -288,6 +299,13 @@
             ObjectAnimator alpha = ObjectAnimator.ofFloat(appsView, View.ALPHA, alphas);
             alpha.setDuration(217);
             alpha.setInterpolator(LINEAR);
+            appsView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+            alpha.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    appsView.setLayerType(View.LAYER_TYPE_NONE, null);
+                }
+            });
             ObjectAnimator transY = ObjectAnimator.ofFloat(appsView, View.TRANSLATION_Y, trans);
             transY.setInterpolator(AGGRESSIVE_EASE);
             transY.setDuration(350);
@@ -295,13 +313,11 @@
             launcherAnimator.play(alpha);
             launcherAnimator.play(transY);
 
-            launcherAnimator.addListener(new AnimatorListenerAdapter() {
-                @Override
-                public void onAnimationEnd(Animator animation) {
-                    appsView.setAlpha(startAlpha);
-                    appsView.setTranslationY(startY);
-                }
-            });
+            endListener = () -> {
+                appsView.setAlpha(startAlpha);
+                appsView.setTranslationY(startY);
+                appsView.setLayerType(View.LAYER_TYPE_NONE, null);
+            };
         } else {
             mDragLayer.setAlpha(alphas[0]);
             mDragLayer.setTranslationY(trans[0]);
@@ -316,15 +332,14 @@
 
             launcherAnimator.play(dragLayerAlpha);
             launcherAnimator.play(dragLayerTransY);
-            launcherAnimator.addListener(new AnimatorListenerAdapter() {
-                @Override
-                public void onAnimationEnd(Animator animation) {
-                    mDragLayer.setAlpha(1);
-                    mDragLayer.setTranslationY(0);
-                }
-            });
+            mDragLayer.setLayerType(View.LAYER_TYPE_HARDWARE, null);
+            endListener = () -> {
+                mDragLayer.setLayerType(View.LAYER_TYPE_NONE, null);
+                mDragLayer.setAlpha(1);
+                mDragLayer.setTranslationY(0);
+            };
         }
-        return launcherAnimator;
+        return new Pair<>(launcherAnimator, endListener);
     }
 
     /**
@@ -658,9 +673,16 @@
     private void createLauncherResumeAnimation(AnimatorSet anim) {
         if (mLauncher.isInState(LauncherState.ALL_APPS)
                 || mLauncher.getDeviceProfile().isVerticalBarLayout()) {
-            AnimatorSet contentAnimator = getLauncherContentAnimator(true /* show */);
-            contentAnimator.setStartDelay(LAUNCHER_RESUME_START_DELAY);
-            anim.play(contentAnimator);
+            Pair<AnimatorSet, Runnable> contentAnimator =
+                    getLauncherContentAnimator(true /* show */);
+            contentAnimator.first.setStartDelay(LAUNCHER_RESUME_START_DELAY);
+            anim.play(contentAnimator.first);
+            anim.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    contentAnimator.second.run();
+                }
+            });
         } else {
             AnimatorSet workspaceAnimator = new AnimatorSet();
 
diff --git a/res/layout/all_apps.xml b/res/layout/all_apps.xml
index 450d107..5e7b117 100644
--- a/res/layout/all_apps.xml
+++ b/res/layout/all_apps.xml
@@ -31,8 +31,6 @@
 
     <include layout="@layout/all_apps_floating_header" />
 
-    <!-- Note: we are reusing/repurposing a system attribute for search layout, because of a
-     platform bug, which prevents using custom attributes in <include> tag -->
     <include
         android:id="@id/search_container_all_apps"
         layout="@layout/search_container_all_apps"/>
diff --git a/src/com/android/launcher3/FastBitmapDrawable.java b/src/com/android/launcher3/FastBitmapDrawable.java
index 3873a81..1b91e88 100644
--- a/src/com/android/launcher3/FastBitmapDrawable.java
+++ b/src/com/android/launcher3/FastBitmapDrawable.java
@@ -174,10 +174,6 @@
         return getBounds().height();
     }
 
-    public Bitmap getBitmap() {
-        return mBitmap;
-    }
-
     @Override
     public boolean isStateful() {
         return true;
diff --git a/src/com/android/launcher3/PagedView.java b/src/com/android/launcher3/PagedView.java
index 9da5cf0..fe953fe 100644
--- a/src/com/android/launcher3/PagedView.java
+++ b/src/com/android/launcher3/PagedView.java
@@ -203,7 +203,6 @@
         if (mPageIndicatorViewId > -1) {
             mPageIndicator = parent.findViewById(mPageIndicatorViewId);
             mPageIndicator.setMarkersCount(getChildCount());
-            mPageIndicator.setPageDescription(getPageIndicatorDescription());
         }
     }
 
@@ -310,7 +309,6 @@
 
     private void updatePageIndicator() {
         if (mPageIndicator != null) {
-            mPageIndicator.setPageDescription(getPageIndicatorDescription());
             mPageIndicator.setActiveMarker(getNextPage());
         }
     }
@@ -1541,10 +1539,6 @@
         return false;
     }
 
-    protected String getPageIndicatorDescription() {
-        return getCurrentPageDescription();
-    }
-
     protected boolean canAnnouncePageDescription() {
         return true;
     }
diff --git a/src/com/android/launcher3/allapps/AllAppsPagedView.java b/src/com/android/launcher3/allapps/AllAppsPagedView.java
index b2e35a4..69068c6 100644
--- a/src/com/android/launcher3/allapps/AllAppsPagedView.java
+++ b/src/com/android/launcher3/allapps/AllAppsPagedView.java
@@ -76,4 +76,9 @@
             super.determineScrollingStart(ev);
         }
     }
+
+    @Override
+    public boolean hasOverlappingRendering() {
+        return false;
+    }
 }
diff --git a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
index a7447b7..a6c1346 100644
--- a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
@@ -415,4 +415,8 @@
                 y + mEmptySearchBackground.getIntrinsicHeight());
     }
 
+    @Override
+    public boolean hasOverlappingRendering() {
+        return false;
+    }
 }
diff --git a/src/com/android/launcher3/allapps/FloatingHeaderView.java b/src/com/android/launcher3/allapps/FloatingHeaderView.java
index 461f5b5..378450e 100644
--- a/src/com/android/launcher3/allapps/FloatingHeaderView.java
+++ b/src/com/android/launcher3/allapps/FloatingHeaderView.java
@@ -237,6 +237,11 @@
     public boolean hasVisibleContent() {
         return false;
     }
+
+    @Override
+    public boolean hasOverlappingRendering() {
+        return false;
+    }
 }
 
 
diff --git a/src/com/android/launcher3/allapps/PersonalWorkSlidingTabStrip.java b/src/com/android/launcher3/allapps/PersonalWorkSlidingTabStrip.java
index a069d5d..a916697 100644
--- a/src/com/android/launcher3/allapps/PersonalWorkSlidingTabStrip.java
+++ b/src/com/android/launcher3/allapps/PersonalWorkSlidingTabStrip.java
@@ -25,6 +25,7 @@
 import android.view.View;
 import android.widget.Button;
 import android.widget.LinearLayout;
+
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
@@ -169,8 +170,7 @@
     public void setMarkersCount(int numMarkers) { }
 
     @Override
-    public void setPageDescription(CharSequence description) {
-        // We don't want custom page description as the tab-bar already has two tabs with their
-        // own descriptions.
+    public boolean hasOverlappingRendering() {
+        return false;
     }
 }
diff --git a/src/com/android/launcher3/pageindicators/PageIndicator.java b/src/com/android/launcher3/pageindicators/PageIndicator.java
index 3ce7291..8fafb6f 100644
--- a/src/com/android/launcher3/pageindicators/PageIndicator.java
+++ b/src/com/android/launcher3/pageindicators/PageIndicator.java
@@ -25,6 +25,4 @@
     void setActiveMarker(int activePage);
 
     void setMarkersCount(int numMarkers);
-
-    void setPageDescription(CharSequence description);
 }
diff --git a/src/com/android/launcher3/pageindicators/PageIndicatorDots.java b/src/com/android/launcher3/pageindicators/PageIndicatorDots.java
index 524ec3c..709975f 100644
--- a/src/com/android/launcher3/pageindicators/PageIndicatorDots.java
+++ b/src/com/android/launcher3/pageindicators/PageIndicatorDots.java
@@ -228,11 +228,6 @@
     }
 
     @Override
-    public void setPageDescription(CharSequence description) {
-        setContentDescription(description);
-    }
-
-    @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         // Add extra spacing of mDotRadius on all sides so than entry animation could be run.
         int width = MeasureSpec.getMode(widthMeasureSpec) == MeasureSpec.EXACTLY ?
diff --git a/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java b/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java
index 4ad7feb..3c16cde 100644
--- a/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java
+++ b/src/com/android/launcher3/pageindicators/WorkspacePageIndicator.java
@@ -186,11 +186,6 @@
         }
     }
 
-    @Override
-    public void setPageDescription(CharSequence description) {
-        setContentDescription(description);
-    }
-
     public void setShouldAutoHide(boolean shouldAutoHide) {
         mShouldAutoHide = shouldAutoHide;
         if (shouldAutoHide && mLinePaint.getAlpha() > 0) {
diff --git a/src/com/android/launcher3/views/RecyclerViewFastScroller.java b/src/com/android/launcher3/views/RecyclerViewFastScroller.java
index 1cd6699..05bab8b 100644
--- a/src/com/android/launcher3/views/RecyclerViewFastScroller.java
+++ b/src/com/android/launcher3/views/RecyclerViewFastScroller.java
@@ -372,4 +372,11 @@
         }
         return sTempRect.contains((int) x, (int) y);
     }
+
+    @Override
+    public boolean hasOverlappingRendering() {
+        // There is actually some overlap between the track and the thumb. But since the track
+        // alpha is so low, it does not matter.
+        return false;
+    }
 }