1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not 5 * use this file except in compliance with the License. You may obtain a copy of 6 * 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, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations under 14 * the License. 15 */ 16 package android.speech.tts; 17 18 import android.os.ConditionVariable; 19 import android.speech.tts.TextToSpeechService.UtteranceProgressDispatcher; 20 21 class SilencePlaybackQueueItem extends PlaybackQueueItem { 22 private final ConditionVariable mCondVar = new ConditionVariable(); 23 private final long mSilenceDurationMs; 24 25 SilencePlaybackQueueItem(UtteranceProgressDispatcher dispatcher, 26 Object callerIdentity, long silenceDurationMs) { 27 super(dispatcher, callerIdentity); 28 mSilenceDurationMs = silenceDurationMs; 29 } 30 31 @Override 32 public void run() { 33 getDispatcher().dispatchOnStart(); 34 boolean wasStopped = false; 35 if (mSilenceDurationMs > 0) { 36 wasStopped = mCondVar.block(mSilenceDurationMs); 37 } 38 if (wasStopped) { 39 getDispatcher().dispatchOnStop(); 40 } else { 41 getDispatcher().dispatchOnSuccess(); 42 } 43 44 } 45 46 @Override 47 void stop(int errorCode) { 48 mCondVar.open(); 49 } 50 } 51
