Merge "Fixing Launcher crash if activity restarts while resixing widget" into tm-qpr-dev
diff --git a/src/com/android/launcher3/AppWidgetResizeFrame.java b/src/com/android/launcher3/AppWidgetResizeFrame.java
index 4b4a017..fbb0a57 100644
--- a/src/com/android/launcher3/AppWidgetResizeFrame.java
+++ b/src/com/android/launcher3/AppWidgetResizeFrame.java
@@ -24,6 +24,7 @@
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 import android.view.View;
+import android.view.ViewGroup;
 import android.widget.ImageButton;
 import android.widget.ImageView;
 
@@ -68,22 +69,6 @@
 
     private final View[] mDragHandles = new View[HANDLE_COUNT];
     private final List<Rect> mSystemGestureExclusionRects = new ArrayList<>(HANDLE_COUNT);
-    private final OnAttachStateChangeListener mWidgetViewAttachStateChangeListener =
-            new OnAttachStateChangeListener() {
-                @Override
-                public void onViewAttachedToWindow(View view) {
-                    // Do nothing
-                }
-
-                @Override
-                public void onViewDetachedFromWindow(View view) {
-                    // When the app widget view is detached, we should close the resize frame.
-                    // An example is when the dragging starts, the widget view is detached from
-                    // CellLayout and then reattached to DragLayout.
-                    close(false);
-                }
-            };
-
 
     private LauncherAppWidgetHostView mWidgetView;
     private CellLayout mCellLayout;
@@ -221,11 +206,7 @@
     private void setupForWidget(LauncherAppWidgetHostView widgetView, CellLayout cellLayout,
             DragLayer dragLayer) {
         mCellLayout = cellLayout;
-        if (mWidgetView != null) {
-            mWidgetView.removeOnAttachStateChangeListener(mWidgetViewAttachStateChangeListener);
-        }
         mWidgetView = widgetView;
-        mWidgetView.addOnAttachStateChangeListener(mWidgetViewAttachStateChangeListener);
         LauncherAppWidgetProviderInfo info = (LauncherAppWidgetProviderInfo)
                 widgetView.getAppWidgetInfo();
         mDragLayer = dragLayer;
@@ -423,6 +404,10 @@
      *  Based on the current deltas, we determine if and how to resize the widget.
      */
     private void resizeWidgetIfNeeded(boolean onDismiss) {
+        ViewGroup.LayoutParams wlp = mWidgetView.getLayoutParams();
+        if (!(wlp instanceof CellLayout.LayoutParams)) {
+            return;
+        }
         DeviceProfile dp = mLauncher.getDeviceProfile();
         float xThreshold = mCellLayout.getCellWidth() + dp.cellLayoutBorderSpacePx.x;
         float yThreshold = mCellLayout.getCellHeight() + dp.cellLayoutBorderSpacePx.y;
@@ -435,7 +420,7 @@
         mDirectionVector[0] = 0;
         mDirectionVector[1] = 0;
 
-        CellLayout.LayoutParams lp = (CellLayout.LayoutParams) mWidgetView.getLayoutParams();
+        CellLayout.LayoutParams lp = (CellLayout.LayoutParams) wlp;
 
         int spanX = lp.cellHSpan;
         int spanY = lp.cellVSpan;
@@ -687,9 +672,6 @@
     @Override
     protected void handleClose(boolean animate) {
         mDragLayer.removeView(this);
-        if (mWidgetView != null) {
-            mWidgetView.removeOnAttachStateChangeListener(mWidgetViewAttachStateChangeListener);
-        }
     }
 
     private void updateInvalidResizeEffect(CellLayout cellLayout, CellLayout pairedCellLayout,