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 import android.util.Log; 21 22 class SilencePlaybackQueueItem extends PlaybackQueueItem { 23 private final ConditionVariable mCondVar = new ConditionVariable(); 24 private final long mSilenceDurationMs; 25 26 SilencePlaybackQueueItem(UtteranceProgressDispatcher dispatcher, 27 Object callerIdentity, long silenceDurationMs) { 28 super(dispatcher, callerIdentity); 29 mSilenceDurationMs = silenceDurationMs; 30 } 31 32 @Override 33 public void run() { 34 getDispatcher().dispatchOnStart(); 35 if (mSilenceDurationMs > 0) { 36 mCondVar.block(mSilenceDurationMs); 37 } 38 getDispatcher().dispatchOnDone(); 39 } 40 41 @Override 42 void stop(boolean isError) { 43 mCondVar.open(); 44 } 45 } 46