Prevent multiple size changed callbacks to widgets whenever we reload the workspace.

Change-Id: I54d7f54ba9ead36201cfaad36fbb234a4c119b20

1 files changed, 20 insertions, 0 deletions

diff --git a/src/com/android/launcher2/LauncherAppWidgetInfo.java b/src/com/android/launcher2/LauncherAppWidgetInfo.java
index e5b947391..f001b2b64 100644
--- a/src/com/android/launcher2/LauncherAppWidgetInfo.java
+++ b/src/com/android/launcher2/LauncherAppWidgetInfo.java
@@ -42,6 +42,8 @@ class LauncherAppWidgetInfo extends ItemInfo {
     int minWidth = -1;
     int minHeight = -1;
 
+    private boolean mHasNotifiedInitialWidgetSizeChanged;
+
     /**
      * View that holds this widget after it's been created.  This view isn't created
      * until Launcher knows it's needed.
@@ -65,6 +67,24 @@ class LauncherAppWidgetInfo extends ItemInfo {
         values.put(LauncherSettings.Favorites.APPWIDGET_ID, appWidgetId);
     }
 
+    /**
+     * When we bind the widget, we should notify the widget that the size has changed if we have not
+     * done so already (only really for default workspace widgets).
+     */
+    void onBindAppWidget(Launcher launcher) {
+        if (!mHasNotifiedInitialWidgetSizeChanged) {
+            notifyWidgetSizeChanged(launcher);
+        }
+    }
+
+    /**
+     * Trigger an update callback to the widget to notify it that its size has changed.
+     */
+    void notifyWidgetSizeChanged(Launcher launcher) {
+        AppWidgetResizeFrame.updateWidgetSizeRanges(hostView, launcher, spanX, spanY);
+        mHasNotifiedInitialWidgetSizeChanged = true;
+    }
+
     @Override
     public String toString() {
         return "AppWidget(id=" + Integer.toString(appWidgetId) + ")";