| /* |
| * Copyright (C) 2009 Google Inc. |
| * |
| * 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 com.googlecode.android_scripting.facade; |
| |
| import android.os.SystemClock; |
| import android.speech.tts.TextToSpeech; |
| import android.speech.tts.TextToSpeech.OnInitListener; |
| |
| import com.googlecode.android_scripting.jsonrpc.RpcReceiver; |
| import com.googlecode.android_scripting.rpc.Rpc; |
| import com.googlecode.android_scripting.rpc.RpcMinSdk; |
| import com.googlecode.android_scripting.rpc.RpcParameter; |
| |
| import java.util.concurrent.CountDownLatch; |
| |
| /** |
| * Provides Text To Speech services for API 4 or more. |
| */ |
| |
| @RpcMinSdk(4) |
| public class TextToSpeechFacade extends RpcReceiver { |
| |
| private final TextToSpeech mTts; |
| private final CountDownLatch mOnInitLock; |
| |
| public TextToSpeechFacade(FacadeManager manager) { |
| super(manager); |
| mOnInitLock = new CountDownLatch(1); |
| mTts = new TextToSpeech(manager.getService(), new OnInitListener() { |
| @Override |
| public void onInit(int arg0) { |
| mOnInitLock.countDown(); |
| } |
| }); |
| } |
| |
| @Override |
| public void shutdown() { |
| while (mTts.isSpeaking()) { |
| SystemClock.sleep(100); |
| } |
| mTts.shutdown(); |
| } |
| |
| @Rpc(description = "Speaks the provided message via TTS.") |
| public void ttsSpeak(@RpcParameter(name = "message") String message) throws InterruptedException { |
| mOnInitLock.await(); |
| if (message != null) { |
| mTts.speak(message, TextToSpeech.QUEUE_ADD, null); |
| } |
| } |
| |
| @Rpc(description = "Returns True if speech is currently in progress.") |
| public Boolean ttsIsSpeaking() throws InterruptedException { |
| mOnInitLock.await(); |
| return mTts.isSpeaking(); |
| } |
| |
| } |