Snap for 4799153 from d00202ed3306950264be533cb2e8a171f58f7930 to pi-release

Change-Id: I72cfd121a4f78f4f1c44a5989a07bc9926593a2c

1 files changed, 26 insertions, 1 deletions

diff --git a/quickstep/src/com/android/quickstep/fallback/RecentsRootView.java b/quickstep/src/com/android/quickstep/fallback/RecentsRootView.java
index 7aaa88c38..ca8c2520c 100644
--- a/quickstep/src/com/android/quickstep/fallback/RecentsRootView.java
+++ b/quickstep/src/com/android/quickstep/fallback/RecentsRootView.java
@@ -17,6 +17,7 @@ package com.android.quickstep.fallback;
 
 import android.annotation.TargetApi;
 import android.content.Context;
+import android.graphics.Point;
 import android.graphics.Rect;
 import android.util.AttributeSet;
 
@@ -31,18 +32,37 @@ public class RecentsRootView extends BaseDragLayer<RecentsActivity> {
 
     private final RecentsActivity mActivity;
 
+    private final Point mLastKnownSize = new Point(10, 10);
+
     public RecentsRootView(Context context, AttributeSet attrs) {
-        super(context, attrs);
+        super(context, attrs, 1 /* alphaChannelCount */);
         mActivity = (RecentsActivity) BaseActivity.fromContext(context);
         setSystemUiVisibility(SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                 | SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                 | SYSTEM_UI_FLAG_LAYOUT_STABLE);
     }
 
+    public Point getLastKnownSize() {
+        return mLastKnownSize;
+    }
+
     public void setup() {
         mControllers = new TouchController[] { new RecentsTaskController(mActivity) };
     }
 
+    @Override
+    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
+        // Check size changes before the actual measure, to avoid multiple measure calls.
+        int width = MeasureSpec.getSize(widthMeasureSpec);
+        int height = MeasureSpec.getSize(heightMeasureSpec);
+        if (mLastKnownSize.x != width || mLastKnownSize.y != height) {
+            mLastKnownSize.set(width, height);
+            mActivity.onRootViewSizeChanged();
+        }
+
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+    }
+
     @TargetApi(23)
     @Override
     protected boolean fitSystemWindows(Rect insets) {
@@ -62,4 +82,9 @@ public class RecentsRootView extends BaseDragLayer<RecentsActivity> {
         setBackground(insets.top == 0 ? null
                 : Themes.getAttrDrawable(getContext(), R.attr.workspaceStatusBarScrim));
     }
+
+    public void dispatchInsets() {
+        mActivity.getDeviceProfile().updateInsets(mInsets);
+        super.setInsets(mInsets);
+    }
 }
\ No newline at end of file