1/* 2 * Copyright (C) 2010 Google Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.i18n.addressinput; 18 19/** 20 * A helper class to let the calling thread wait until loading has finished. 21 */ 22public class NotifyingListener implements DataLoadListener { 23 private Object mSleeper; 24 private boolean mDone; 25 26 NotifyingListener(Object sleeper) { 27 mSleeper = sleeper; 28 mDone = false; 29 } 30 31 @Override 32 public void dataLoadingBegin() { 33 } 34 35 @Override 36 public void dataLoadingEnd() { 37 synchronized (this) { 38 mDone = true; 39 } 40 synchronized (mSleeper) { 41 mSleeper.notify(); 42 } 43 } 44 45 void waitLoadingEnd() throws InterruptedException { 46 synchronized (this) { 47 if (mDone) return; 48 } 49 synchronized (mSleeper) { 50 mSleeper.wait(); 51 } 52 } 53} 54