| // Copyright (c) 2017, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| package com.android.tools.r8.bridgeremoval.bridgestokeep; |
| |
| import com.android.tools.r8.bridgeremoval.bridgestokeep.ObservableList.Observer; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class SimpleObservableList<O extends Observer> |
| implements ObservableList<O> { |
| |
| private List<O> observers = new ArrayList<>(); |
| |
| @Override |
| public void registerObserver(O observer) { |
| if (observer != null && observers != null && !observers.contains(observer)) { |
| observers.add(observer); |
| } |
| } |
| } |