| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package android.databinding; |
| |
| /** |
| * Utility class for managing Observable callbacks. |
| */ |
| public class PropertyChangeRegistry extends |
| CallbackRegistry<Observable.OnPropertyChangedCallback, Observable, Void> { |
| |
| private static final CallbackRegistry.NotifierCallback<Observable.OnPropertyChangedCallback, Observable, Void> NOTIFIER_CALLBACK = new CallbackRegistry.NotifierCallback<Observable.OnPropertyChangedCallback, Observable, Void>() { |
| @Override |
| public void onNotifyCallback(Observable.OnPropertyChangedCallback callback, Observable sender, |
| int arg, Void notUsed) { |
| callback.onPropertyChanged(sender, arg); |
| } |
| }; |
| |
| public PropertyChangeRegistry() { |
| super(NOTIFIER_CALLBACK); |
| } |
| |
| /** |
| * Notifies registered callbacks that a specific property has changed. |
| * |
| * @param observable The Observable that has changed. |
| * @param propertyId The BR id of the property that has changed or BR._all if the entire |
| * Observable has changed. |
| */ |
| public void notifyChange(Observable observable, int propertyId) { |
| notifyCallbacks(observable, propertyId, null); |
| } |
| } |