Fix last bit of WidgetTray jank issue (e98f4a4d) · Commits · e / os / BlissLauncher3

src/com/android/launcher3/WidgetPreviewLoader.java

+20 −8

Original line number	Diff line number	Diff line
		@@ -55,6 +55,8 @@ public class WidgetPreviewLoader {
		/**
		* Weak reference objects, do not prevent their referents from being made finalizable,
		* finalized, and then reclaimed.
		* Note: synchronized block used for this variable is expensive and the block should always
		* be posted to a background thread.
		*/
		@Thunk Set<Bitmap> mUnusedBitmaps =
		Collections.newSetFromMap(new WeakHashMap<Bitmap, Boolean>());
		@@ -554,11 +556,16 @@ public class WidgetPreviewLoader {
		// in the tasks's onCancelled() call, and if cancelled while the task is writing to
		// disk, it will be cancelled in the task's onPostExecute() call.
		if (mTask.mBitmapToRecycle != null) {
		mWorkerHandler.post(new Runnable() {
		@Override
		public void run() {
		synchronized (mUnusedBitmaps) {
		mUnusedBitmaps.add(mTask.mBitmapToRecycle);
		}
		mTask.mBitmapToRecycle = null;
		}
		});
		}
		}
		}

		@@ -660,15 +667,20 @@ public class WidgetPreviewLoader {
		}

		@Override
		protected void onCancelled(Bitmap preview) {
		protected void onCancelled(final Bitmap preview) {
		// If we've cancelled while the task is running, then can return the bitmap to the
		// recycled set immediately. Otherwise, it will be recycled after the preview is written
		// to disk.
		if (preview != null) {
		mWorkerHandler.post(new Runnable() {
		@Override
		public void run() {
		synchronized (mUnusedBitmaps) {
		mUnusedBitmaps.add(preview);
		}
		}
		});
		}
		}
		}