135     @Thunk WeakReference<Callbacks> mCallbacks;  field in LauncherModel
1203             mCallbacks = new WeakReference<Callbacks>(callbacks);  in initialize()
1341         return (mCallbacks != null && mCallbacks.get() == callbacks);  in isCurrentCallbacks()
1359             if (mCallbacks != null && mCallbacks.get() != null) {  in startLoader()
1599                 if (mCallbacks == null) {  in tryGetCallbacks()
1603                 final Callbacks callbacks = mCallbacks.get();  in tryGetCallbacks()
1627                 if (mCallbacks == null ||  in checkItemPlacement()
1628                         mCallbacks.get().isAllAppsButtonRank((int) item.screenId)) {  in checkItemPlacement()
2581             final Callbacks oldCallbacks = mCallbacks.get();  in bindWorkspace()
2759             final Callbacks oldCallbacks = mCallbacks.get();
2794             final Callbacks oldCallbacks = mCallbacks.get();
3641         Log.d(TAG, "mCallbacks=" + mCallbacks);
3654         return mCallbacks != null ? mCallbacks.get() : null;