Merge "Update the light center when the root view\'s layout changed" into nyc-dev

am: e78ba24c17

* commit 'e78ba24c176fd6a0c54eaf7e52be545952ba1ab7':
  Update the light center when the root view's layout changed

Change-Id: I03e6d183e2a98b4d08f1e5be74447ddf942e8337

core/java/android/view/View.java

@@ -22811,6 +22811,11 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
          */
         boolean mKeepScreenOn;
 
+        /**
+         * Set during a traveral if the light center needs to be updated.
+         */
+        boolean mNeedsUpdateLightCenter;
+
         /**
          * Bitwise-or of all of the values that views have passed to setSystemUiVisibility().
          */

core/java/android/view/ViewRootImpl.java

@@ -80,7 +80,6 @@ import android.view.accessibility.IAccessibilityInteractionConnection;
 import android.view.accessibility.IAccessibilityInteractionConnectionCallback;
 import android.view.animation.AccelerateDecelerateInterpolator;
 import android.view.animation.Interpolator;
-import android.view.inputmethod.InputConnection;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.Scroller;
 
@@ -920,6 +919,11 @@ public final class ViewRootImpl implements ViewParent,
                 // Recompute system ui visibility.
                 mAttachInfo.mRecomputeGlobalAttributes = true;
             }
+            if ((mWindowAttributesChangesFlag
+                    & WindowManager.LayoutParams.LAYOUT_CHANGED) != 0) {
+                // Request to update light center.
+                mAttachInfo.mNeedsUpdateLightCenter = true;
+            }
             if (mWindowAttributes.packageName == null) {
                 mWindowAttributes.packageName = mBasePackageName;
             }
@@ -2226,13 +2230,16 @@ public final class ViewRootImpl implements ViewParent,
             }
             mAttachInfo.mWindowLeft = frame.left;
             mAttachInfo.mWindowTop = frame.top;
-
+        }
-            // Update the light position for the new window offsets.
+        if (windowMoved || mAttachInfo.mNeedsUpdateLightCenter) {
+            // Update the light position for the new offsets.
             if (mAttachInfo.mHardwareRenderer != null) {
                 mAttachInfo.mHardwareRenderer.setLightCenter(mAttachInfo);
             }
+            mAttachInfo.mNeedsUpdateLightCenter = false;
         }
     }
+
     private void handleOutOfResourcesException(Surface.OutOfResourcesException e) {
         Log.e(mTag, "OutOfResourcesException initializing HW surface", e);
         try {