When recent changes its layout, update contents

When the window gets resized, we need to synchronize the
views with the model.

Bug: 25584567
Bug: 25584399
Change-Id: I27d6738cb4984ce91ce79671298bcdc0d317c6e1

packages/SystemUI/src/com/android/systemui/recents/views/AnimateableViewBounds.java

@@ -36,7 +36,7 @@ public class AnimateableViewBounds extends ViewOutlineProvider {
     public AnimateableViewBounds(TaskView source, int cornerRadius) {
         mSourceView = source;
         mCornerRadius = cornerRadius;
-        setClipBottom(getClipBottom());
+        setClipBottom(getClipBottom(), false /* force */);
     }
 
     @Override
@@ -57,8 +57,8 @@ public class AnimateableViewBounds extends ViewOutlineProvider {
     }
 
     /** Sets the bottom clip. */
-    public void setClipBottom(int bottom) {
-        if (bottom != mClipRect.bottom) {
+    public void setClipBottom(int bottom, boolean force) {
+        if (bottom != mClipRect.bottom || force) {
             mClipRect.bottom = bottom;
             mSourceView.invalidateOutline();
             updateClipBounds();

packages/SystemUI/src/com/android/systemui/recents/views/TaskStackView.java

@@ -538,7 +538,7 @@ public class TaskStackView extends FrameLayout implements TaskStack.TaskStackCal
     /**
      * Updates the clip for each of the task views from back to front.
      */
-    void clipTaskViews() {
+    void clipTaskViews(boolean forceUpdate) {
         // Update the clip on each task child
         List<TaskView> taskViews = getTaskViews();
         TaskView tmpTv = null;
@@ -575,7 +575,7 @@ public class TaskStackView extends FrameLayout implements TaskStack.TaskStackCal
                     }
                 }
             }
-            tv.getViewBounds().setClipBottom(clipBottom);
+            tv.getViewBounds().setClipBottom(clipBottom, forceUpdate);
         }
         mStackViewsClipDirty = false;
     }
@@ -792,7 +792,7 @@ public class TaskStackView extends FrameLayout implements TaskStack.TaskStackCal
         mStackScroller.computeScroll();
         // Synchronize the views
         synchronizeStackViewsWithModel();
-        clipTaskViews();
+        clipTaskViews(false /* forceUpdate */);
         // Notify accessibility
         sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_SCROLLED);
     }
@@ -896,6 +896,12 @@ public class TaskStackView extends FrameLayout implements TaskStack.TaskStackCal
             mAwaitingFirstLayout = false;
             onFirstLayout();
         }
+
+        if (changed) {
+            requestSynchronizeStackViewsWithModel();
+            synchronizeStackViewsWithModel();
+            clipTaskViews(true /* forceUpdate */);
+        }
     }
 
     /** Handler for the first layout. */