Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 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.app.Service; |
| 19 | import android.content.Intent; |
| 20 | import android.net.Uri; |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 21 | import android.os.Binder; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 22 | import android.os.Bundle; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 23 | import android.os.Handler; |
| 24 | import android.os.HandlerThread; |
| 25 | import android.os.IBinder; |
| 26 | import android.os.Looper; |
| 27 | import android.os.Message; |
| 28 | import android.os.MessageQueue; |
Przemyslaw Szczepaniak | 5acb33a | 2013-02-08 16:36:25 +0000 | [diff] [blame] | 29 | import android.os.ParcelFileDescriptor; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 30 | import android.os.RemoteCallbackList; |
| 31 | import android.os.RemoteException; |
| 32 | import android.provider.Settings; |
| 33 | import android.speech.tts.TextToSpeech.Engine; |
| 34 | import android.text.TextUtils; |
| 35 | import android.util.Log; |
| 36 | |
Przemyslaw Szczepaniak | 5acb33a | 2013-02-08 16:36:25 +0000 | [diff] [blame] | 37 | import java.io.FileDescriptor; |
| 38 | import java.io.FileOutputStream; |
Przemyslaw Szczepaniak | fcf671b | 2013-03-05 11:28:50 +0000 | [diff] [blame^] | 39 | import java.io.IOException; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 40 | import java.util.HashMap; |
| 41 | import java.util.Locale; |
Narayan Kamath | 748af66 | 2011-10-31 14:20:01 +0000 | [diff] [blame] | 42 | import java.util.Set; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 43 | |
| 44 | |
| 45 | /** |
Narayan Kamath | e22b69a | 2011-06-08 11:41:47 +0100 | [diff] [blame] | 46 | * Abstract base class for TTS engine implementations. The following methods |
| 47 | * need to be implemented. |
| 48 | * |
| 49 | * <ul> |
| 50 | * <li>{@link #onIsLanguageAvailable}</li> |
| 51 | * <li>{@link #onLoadLanguage}</li> |
| 52 | * <li>{@link #onGetLanguage}</li> |
| 53 | * <li>{@link #onSynthesizeText}</li> |
| 54 | * <li>{@link #onStop}</li> |
| 55 | * </ul> |
| 56 | * |
| 57 | * The first three deal primarily with language management, and are used to |
| 58 | * query the engine for it's support for a given language and indicate to it |
| 59 | * that requests in a given language are imminent. |
| 60 | * |
| 61 | * {@link #onSynthesizeText} is central to the engine implementation. The |
| 62 | * implementation should synthesize text as per the request parameters and |
| 63 | * return synthesized data via the supplied callback. This class and its helpers |
| 64 | * will then consume that data, which might mean queueing it for playback or writing |
| 65 | * it to a file or similar. All calls to this method will be on a single |
| 66 | * thread, which will be different from the main thread of the service. Synthesis |
| 67 | * must be synchronous which means the engine must NOT hold on the callback or call |
| 68 | * any methods on it after the method returns |
| 69 | * |
| 70 | * {@link #onStop} tells the engine that it should stop all ongoing synthesis, if |
| 71 | * any. Any pending data from the current synthesis will be discarded. |
Narayan Kamath | e5b8c4d | 2011-08-22 15:37:47 +0100 | [diff] [blame] | 72 | * |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 73 | */ |
| 74 | public abstract class TextToSpeechService extends Service { |
| 75 | |
| 76 | private static final boolean DBG = false; |
| 77 | private static final String TAG = "TextToSpeechService"; |
| 78 | |
Przemyslaw Szczepaniak | 2d940bc | 2012-11-19 12:22:59 +0000 | [diff] [blame] | 79 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 80 | private static final String SYNTH_THREAD_NAME = "SynthThread"; |
| 81 | |
| 82 | private SynthHandler mSynthHandler; |
Narayan Kamath | 8d1fc24 | 2011-06-03 18:11:54 +0100 | [diff] [blame] | 83 | // A thread and it's associated handler for playing back any audio |
| 84 | // associated with this TTS engine. Will handle all requests except synthesis |
| 85 | // to file requests, which occur on the synthesis thread. |
| 86 | private AudioPlaybackHandler mAudioPlaybackHandler; |
Narayan Kamath | e5b8c4d | 2011-08-22 15:37:47 +0100 | [diff] [blame] | 87 | private TtsEngines mEngineHelper; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 88 | |
| 89 | private CallbackMap mCallbacks; |
Narayan Kamath | 6dabb63 | 2011-07-08 12:13:03 +0100 | [diff] [blame] | 90 | private String mPackageName; |
Narayan Kamath | 7a3af86 | 2011-06-02 17:28:57 +0100 | [diff] [blame] | 91 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 92 | @Override |
| 93 | public void onCreate() { |
| 94 | if (DBG) Log.d(TAG, "onCreate()"); |
| 95 | super.onCreate(); |
| 96 | |
| 97 | SynthThread synthThread = new SynthThread(); |
| 98 | synthThread.start(); |
| 99 | mSynthHandler = new SynthHandler(synthThread.getLooper()); |
| 100 | |
Narayan Kamath | 4924fe3 | 2011-06-09 11:35:13 +0100 | [diff] [blame] | 101 | mAudioPlaybackHandler = new AudioPlaybackHandler(); |
| 102 | mAudioPlaybackHandler.start(); |
Narayan Kamath | c90f1c8 | 2011-05-24 11:39:43 +0100 | [diff] [blame] | 103 | |
Narayan Kamath | e5b8c4d | 2011-08-22 15:37:47 +0100 | [diff] [blame] | 104 | mEngineHelper = new TtsEngines(this); |
| 105 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 106 | mCallbacks = new CallbackMap(); |
| 107 | |
Narayan Kamath | 6dabb63 | 2011-07-08 12:13:03 +0100 | [diff] [blame] | 108 | mPackageName = getApplicationInfo().packageName; |
| 109 | |
Narayan Kamath | e5b8c4d | 2011-08-22 15:37:47 +0100 | [diff] [blame] | 110 | String[] defaultLocale = getSettingsLocale(); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 111 | // Load default language |
Narayan Kamath | e5b8c4d | 2011-08-22 15:37:47 +0100 | [diff] [blame] | 112 | onLoadLanguage(defaultLocale[0], defaultLocale[1], defaultLocale[2]); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 113 | } |
| 114 | |
| 115 | @Override |
| 116 | public void onDestroy() { |
| 117 | if (DBG) Log.d(TAG, "onDestroy()"); |
| 118 | |
| 119 | // Tell the synthesizer to stop |
| 120 | mSynthHandler.quit(); |
Narayan Kamath | 8d1fc24 | 2011-06-03 18:11:54 +0100 | [diff] [blame] | 121 | // Tell the audio playback thread to stop. |
| 122 | mAudioPlaybackHandler.quit(); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 123 | // Unregister all callbacks. |
| 124 | mCallbacks.kill(); |
| 125 | |
| 126 | super.onDestroy(); |
| 127 | } |
| 128 | |
| 129 | /** |
| 130 | * Checks whether the engine supports a given language. |
| 131 | * |
| 132 | * Can be called on multiple threads. |
| 133 | * |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 134 | * Its return values HAVE to be consistent with onLoadLanguage. |
| 135 | * |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 136 | * @param lang ISO-3 language code. |
| 137 | * @param country ISO-3 country code. May be empty or null. |
| 138 | * @param variant Language variant. May be empty or null. |
| 139 | * @return Code indicating the support status for the locale. |
| 140 | * One of {@link TextToSpeech#LANG_AVAILABLE}, |
| 141 | * {@link TextToSpeech#LANG_COUNTRY_AVAILABLE}, |
| 142 | * {@link TextToSpeech#LANG_COUNTRY_VAR_AVAILABLE}, |
| 143 | * {@link TextToSpeech#LANG_MISSING_DATA} |
| 144 | * {@link TextToSpeech#LANG_NOT_SUPPORTED}. |
| 145 | */ |
| 146 | protected abstract int onIsLanguageAvailable(String lang, String country, String variant); |
| 147 | |
| 148 | /** |
| 149 | * Returns the language, country and variant currently being used by the TTS engine. |
| 150 | * |
| 151 | * Can be called on multiple threads. |
| 152 | * |
| 153 | * @return A 3-element array, containing language (ISO 3-letter code), |
| 154 | * country (ISO 3-letter code) and variant used by the engine. |
| 155 | * The country and variant may be {@code ""}. If country is empty, then variant must |
| 156 | * be empty too. |
| 157 | * @see Locale#getISO3Language() |
| 158 | * @see Locale#getISO3Country() |
| 159 | * @see Locale#getVariant() |
| 160 | */ |
| 161 | protected abstract String[] onGetLanguage(); |
| 162 | |
| 163 | /** |
| 164 | * Notifies the engine that it should load a speech synthesis language. There is no guarantee |
| 165 | * that this method is always called before the language is used for synthesis. It is merely |
| 166 | * a hint to the engine that it will probably get some synthesis requests for this language |
| 167 | * at some point in the future. |
| 168 | * |
| 169 | * Can be called on multiple threads. |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 170 | * In <= Android 4.2 (<= API 17) can be called on main and service binder threads. |
| 171 | * In > Android 4.2 (> API 17) can be called on main and synthesis threads. |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 172 | * |
| 173 | * @param lang ISO-3 language code. |
| 174 | * @param country ISO-3 country code. May be empty or null. |
| 175 | * @param variant Language variant. May be empty or null. |
| 176 | * @return Code indicating the support status for the locale. |
| 177 | * One of {@link TextToSpeech#LANG_AVAILABLE}, |
| 178 | * {@link TextToSpeech#LANG_COUNTRY_AVAILABLE}, |
| 179 | * {@link TextToSpeech#LANG_COUNTRY_VAR_AVAILABLE}, |
| 180 | * {@link TextToSpeech#LANG_MISSING_DATA} |
| 181 | * {@link TextToSpeech#LANG_NOT_SUPPORTED}. |
| 182 | */ |
| 183 | protected abstract int onLoadLanguage(String lang, String country, String variant); |
| 184 | |
| 185 | /** |
| 186 | * Notifies the service that it should stop any in-progress speech synthesis. |
| 187 | * This method can be called even if no speech synthesis is currently in progress. |
| 188 | * |
| 189 | * Can be called on multiple threads, but not on the synthesis thread. |
| 190 | */ |
| 191 | protected abstract void onStop(); |
| 192 | |
| 193 | /** |
| 194 | * Tells the service to synthesize speech from the given text. This method should |
| 195 | * block until the synthesis is finished. |
| 196 | * |
| 197 | * Called on the synthesis thread. |
| 198 | * |
Narayan Kamath | e22b69a | 2011-06-08 11:41:47 +0100 | [diff] [blame] | 199 | * @param request The synthesis request. |
| 200 | * @param callback The callback the the engine must use to make data available for |
| 201 | * playback or for writing to a file. |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 202 | */ |
Narayan Kamath | e22b69a | 2011-06-08 11:41:47 +0100 | [diff] [blame] | 203 | protected abstract void onSynthesizeText(SynthesisRequest request, |
| 204 | SynthesisCallback callback); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 205 | |
Narayan Kamath | 748af66 | 2011-10-31 14:20:01 +0000 | [diff] [blame] | 206 | /** |
| 207 | * Queries the service for a set of features supported for a given language. |
| 208 | * |
| 209 | * @param lang ISO-3 language code. |
| 210 | * @param country ISO-3 country code. May be empty or null. |
| 211 | * @param variant Language variant. May be empty or null. |
| 212 | * @return A list of features supported for the given language. |
| 213 | */ |
| 214 | protected Set<String> onGetFeaturesForLanguage(String lang, String country, String variant) { |
| 215 | return null; |
| 216 | } |
| 217 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 218 | private int getDefaultSpeechRate() { |
| 219 | return getSecureSettingInt(Settings.Secure.TTS_DEFAULT_RATE, Engine.DEFAULT_RATE); |
| 220 | } |
| 221 | |
Narayan Kamath | e5b8c4d | 2011-08-22 15:37:47 +0100 | [diff] [blame] | 222 | private String[] getSettingsLocale() { |
| 223 | final String locale = mEngineHelper.getLocalePrefForEngine(mPackageName); |
| 224 | return TtsEngines.parseLocalePref(locale); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 225 | } |
| 226 | |
| 227 | private int getSecureSettingInt(String name, int defaultValue) { |
| 228 | return Settings.Secure.getInt(getContentResolver(), name, defaultValue); |
| 229 | } |
| 230 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 231 | /** |
| 232 | * Synthesizer thread. This thread is used to run {@link SynthHandler}. |
| 233 | */ |
| 234 | private class SynthThread extends HandlerThread implements MessageQueue.IdleHandler { |
| 235 | |
| 236 | private boolean mFirstIdle = true; |
| 237 | |
| 238 | public SynthThread() { |
Narayan Kamath | 84deb60 | 2011-07-27 13:22:09 +0100 | [diff] [blame] | 239 | super(SYNTH_THREAD_NAME, android.os.Process.THREAD_PRIORITY_DEFAULT); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 240 | } |
| 241 | |
| 242 | @Override |
| 243 | protected void onLooperPrepared() { |
| 244 | getLooper().getQueue().addIdleHandler(this); |
| 245 | } |
| 246 | |
| 247 | @Override |
| 248 | public boolean queueIdle() { |
| 249 | if (mFirstIdle) { |
| 250 | mFirstIdle = false; |
| 251 | } else { |
| 252 | broadcastTtsQueueProcessingCompleted(); |
| 253 | } |
| 254 | return true; |
| 255 | } |
| 256 | |
| 257 | private void broadcastTtsQueueProcessingCompleted() { |
| 258 | Intent i = new Intent(TextToSpeech.ACTION_TTS_QUEUE_PROCESSING_COMPLETED); |
| 259 | if (DBG) Log.d(TAG, "Broadcasting: " + i); |
| 260 | sendBroadcast(i); |
| 261 | } |
| 262 | } |
| 263 | |
| 264 | private class SynthHandler extends Handler { |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 265 | private SpeechItem mCurrentSpeechItem = null; |
| 266 | |
| 267 | public SynthHandler(Looper looper) { |
| 268 | super(looper); |
| 269 | } |
| 270 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 271 | private synchronized SpeechItem getCurrentSpeechItem() { |
| 272 | return mCurrentSpeechItem; |
| 273 | } |
| 274 | |
| 275 | private synchronized SpeechItem setCurrentSpeechItem(SpeechItem speechItem) { |
| 276 | SpeechItem old = mCurrentSpeechItem; |
| 277 | mCurrentSpeechItem = speechItem; |
| 278 | return old; |
| 279 | } |
| 280 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 281 | private synchronized SpeechItem maybeRemoveCurrentSpeechItem(Object callerIdentity) { |
Narayan Kamath | a65c62a | 2011-09-06 17:04:48 +0100 | [diff] [blame] | 282 | if (mCurrentSpeechItem != null && |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 283 | (mCurrentSpeechItem.getCallerIdentity() == callerIdentity)) { |
Narayan Kamath | a65c62a | 2011-09-06 17:04:48 +0100 | [diff] [blame] | 284 | SpeechItem current = mCurrentSpeechItem; |
| 285 | mCurrentSpeechItem = null; |
| 286 | return current; |
| 287 | } |
| 288 | |
| 289 | return null; |
| 290 | } |
| 291 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 292 | public boolean isSpeaking() { |
| 293 | return getCurrentSpeechItem() != null; |
| 294 | } |
| 295 | |
| 296 | public void quit() { |
| 297 | // Don't process any more speech items |
| 298 | getLooper().quit(); |
| 299 | // Stop the current speech item |
| 300 | SpeechItem current = setCurrentSpeechItem(null); |
| 301 | if (current != null) { |
| 302 | current.stop(); |
| 303 | } |
Narayan Kamath | be4ad4a | 2011-07-15 13:01:09 +0100 | [diff] [blame] | 304 | // The AudioPlaybackHandler will be destroyed by the caller. |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 305 | } |
| 306 | |
| 307 | /** |
| 308 | * Adds a speech item to the queue. |
| 309 | * |
| 310 | * Called on a service binder thread. |
| 311 | */ |
| 312 | public int enqueueSpeechItem(int queueMode, final SpeechItem speechItem) { |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 313 | UtteranceProgressDispatcher utterenceProgress = null; |
| 314 | if (speechItem instanceof UtteranceProgressDispatcher) { |
| 315 | utterenceProgress = (UtteranceProgressDispatcher) speechItem; |
| 316 | } |
| 317 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 318 | if (!speechItem.isValid()) { |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 319 | if (utterenceProgress != null) { |
| 320 | utterenceProgress.dispatchOnError(); |
| 321 | } |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 322 | return TextToSpeech.ERROR; |
| 323 | } |
Narayan Kamath | 4924fe3 | 2011-06-09 11:35:13 +0100 | [diff] [blame] | 324 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 325 | if (queueMode == TextToSpeech.QUEUE_FLUSH) { |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 326 | stopForApp(speechItem.getCallerIdentity()); |
Narayan Kamath | abc63fb | 2011-06-10 11:36:57 +0100 | [diff] [blame] | 327 | } else if (queueMode == TextToSpeech.QUEUE_DESTROY) { |
Narayan Kamath | a65c62a | 2011-09-06 17:04:48 +0100 | [diff] [blame] | 328 | stopAll(); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 329 | } |
| 330 | Runnable runnable = new Runnable() { |
| 331 | @Override |
| 332 | public void run() { |
| 333 | setCurrentSpeechItem(speechItem); |
Narayan Kamath | 8d1fc24 | 2011-06-03 18:11:54 +0100 | [diff] [blame] | 334 | speechItem.play(); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 335 | setCurrentSpeechItem(null); |
| 336 | } |
| 337 | }; |
| 338 | Message msg = Message.obtain(this, runnable); |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 339 | |
Narayan Kamath | a65c62a | 2011-09-06 17:04:48 +0100 | [diff] [blame] | 340 | // The obj is used to remove all callbacks from the given app in |
| 341 | // stopForApp(String). |
Narayan Kamath | abc63fb | 2011-06-10 11:36:57 +0100 | [diff] [blame] | 342 | // |
| 343 | // Note that this string is interned, so the == comparison works. |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 344 | msg.obj = speechItem.getCallerIdentity(); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 345 | if (sendMessage(msg)) { |
| 346 | return TextToSpeech.SUCCESS; |
| 347 | } else { |
| 348 | Log.w(TAG, "SynthThread has quit"); |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 349 | if (utterenceProgress != null) { |
| 350 | utterenceProgress.dispatchOnError(); |
| 351 | } |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 352 | return TextToSpeech.ERROR; |
| 353 | } |
| 354 | } |
| 355 | |
| 356 | /** |
| 357 | * Stops all speech output and removes any utterances still in the queue for |
| 358 | * the calling app. |
| 359 | * |
| 360 | * Called on a service binder thread. |
| 361 | */ |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 362 | public int stopForApp(Object callerIdentity) { |
| 363 | if (callerIdentity == null) { |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 364 | return TextToSpeech.ERROR; |
| 365 | } |
Narayan Kamath | 4924fe3 | 2011-06-09 11:35:13 +0100 | [diff] [blame] | 366 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 367 | removeCallbacksAndMessages(callerIdentity); |
Narayan Kamath | be4ad4a | 2011-07-15 13:01:09 +0100 | [diff] [blame] | 368 | // This stops writing data to the file / or publishing |
| 369 | // items to the audio playback handler. |
Narayan Kamath | a65c62a | 2011-09-06 17:04:48 +0100 | [diff] [blame] | 370 | // |
| 371 | // Note that the current speech item must be removed only if it |
| 372 | // belongs to the callingApp, else the item will be "orphaned" and |
| 373 | // not stopped correctly if a stop request comes along for the item |
| 374 | // from the app it belongs to. |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 375 | SpeechItem current = maybeRemoveCurrentSpeechItem(callerIdentity); |
Narayan Kamath | a65c62a | 2011-09-06 17:04:48 +0100 | [diff] [blame] | 376 | if (current != null) { |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 377 | current.stop(); |
| 378 | } |
Narayan Kamath | 8d1fc24 | 2011-06-03 18:11:54 +0100 | [diff] [blame] | 379 | |
Narayan Kamath | 4924fe3 | 2011-06-09 11:35:13 +0100 | [diff] [blame] | 380 | // Remove any enqueued audio too. |
Narayan Kamath | 67ae6bc | 2011-11-30 14:51:00 +0000 | [diff] [blame] | 381 | mAudioPlaybackHandler.stopForApp(callerIdentity); |
Narayan Kamath | 4924fe3 | 2011-06-09 11:35:13 +0100 | [diff] [blame] | 382 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 383 | return TextToSpeech.SUCCESS; |
| 384 | } |
Narayan Kamath | a65c62a | 2011-09-06 17:04:48 +0100 | [diff] [blame] | 385 | |
| 386 | public int stopAll() { |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 387 | // Stop the current speech item unconditionally . |
Narayan Kamath | a65c62a | 2011-09-06 17:04:48 +0100 | [diff] [blame] | 388 | SpeechItem current = setCurrentSpeechItem(null); |
| 389 | if (current != null) { |
| 390 | current.stop(); |
| 391 | } |
| 392 | // Remove all other items from the queue. |
| 393 | removeCallbacksAndMessages(null); |
| 394 | // Remove all pending playback as well. |
Narayan Kamath | 67ae6bc | 2011-11-30 14:51:00 +0000 | [diff] [blame] | 395 | mAudioPlaybackHandler.stop(); |
Narayan Kamath | a65c62a | 2011-09-06 17:04:48 +0100 | [diff] [blame] | 396 | |
| 397 | return TextToSpeech.SUCCESS; |
| 398 | } |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 399 | } |
| 400 | |
Narayan Kamath | 754c72e | 2011-11-09 14:22:32 +0000 | [diff] [blame] | 401 | interface UtteranceProgressDispatcher { |
| 402 | public void dispatchOnDone(); |
| 403 | public void dispatchOnStart(); |
| 404 | public void dispatchOnError(); |
Narayan Kamath | 8d1fc24 | 2011-06-03 18:11:54 +0100 | [diff] [blame] | 405 | } |
| 406 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 407 | /** |
| 408 | * An item in the synth thread queue. |
| 409 | */ |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 410 | private abstract class SpeechItem { |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 411 | private final Object mCallerIdentity; |
Narayan Kamath | b956f37 | 2011-05-16 16:51:44 +0100 | [diff] [blame] | 412 | protected final Bundle mParams; |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 413 | private final int mCallerUid; |
| 414 | private final int mCallerPid; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 415 | private boolean mStarted = false; |
| 416 | private boolean mStopped = false; |
| 417 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 418 | public SpeechItem(Object caller, int callerUid, int callerPid, Bundle params) { |
| 419 | mCallerIdentity = caller; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 420 | mParams = params; |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 421 | mCallerUid = callerUid; |
| 422 | mCallerPid = callerPid; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 423 | } |
| 424 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 425 | public Object getCallerIdentity() { |
| 426 | return mCallerIdentity; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 427 | } |
| 428 | |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 429 | |
| 430 | public int getCallerUid() { |
| 431 | return mCallerUid; |
| 432 | } |
| 433 | |
| 434 | public int getCallerPid() { |
| 435 | return mCallerPid; |
| 436 | } |
| 437 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 438 | /** |
| 439 | * Checker whether the item is valid. If this method returns false, the item should not |
| 440 | * be played. |
| 441 | */ |
| 442 | public abstract boolean isValid(); |
| 443 | |
| 444 | /** |
| 445 | * Plays the speech item. Blocks until playback is finished. |
| 446 | * Must not be called more than once. |
| 447 | * |
| 448 | * Only called on the synthesis thread. |
| 449 | * |
| 450 | * @return {@link TextToSpeech#SUCCESS} or {@link TextToSpeech#ERROR}. |
| 451 | */ |
| 452 | public int play() { |
| 453 | synchronized (this) { |
| 454 | if (mStarted) { |
| 455 | throw new IllegalStateException("play() called twice"); |
| 456 | } |
| 457 | mStarted = true; |
| 458 | } |
| 459 | return playImpl(); |
| 460 | } |
| 461 | |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 462 | protected abstract int playImpl(); |
| 463 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 464 | /** |
| 465 | * Stops the speech item. |
| 466 | * Must not be called more than once. |
| 467 | * |
| 468 | * Can be called on multiple threads, but not on the synthesis thread. |
| 469 | */ |
| 470 | public void stop() { |
| 471 | synchronized (this) { |
| 472 | if (mStopped) { |
| 473 | throw new IllegalStateException("stop() called twice"); |
| 474 | } |
| 475 | mStopped = true; |
| 476 | } |
| 477 | stopImpl(); |
| 478 | } |
| 479 | |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 480 | protected abstract void stopImpl(); |
| 481 | |
| 482 | protected synchronized boolean isStopped() { |
| 483 | return mStopped; |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | /** |
| 488 | * An item in the synth thread queue that process utterance. |
| 489 | */ |
| 490 | private abstract class UtteranceSpeechItem extends SpeechItem |
| 491 | implements UtteranceProgressDispatcher { |
| 492 | |
| 493 | public UtteranceSpeechItem(Object caller, int callerUid, int callerPid, Bundle params) { |
| 494 | super(caller, callerUid, callerPid, params); |
| 495 | } |
| 496 | |
Narayan Kamath | 754c72e | 2011-11-09 14:22:32 +0000 | [diff] [blame] | 497 | @Override |
| 498 | public void dispatchOnDone() { |
Narayan Kamath | 8d1fc24 | 2011-06-03 18:11:54 +0100 | [diff] [blame] | 499 | final String utteranceId = getUtteranceId(); |
Narayan Kamath | 68e2af5 | 2011-11-28 17:10:04 +0000 | [diff] [blame] | 500 | if (utteranceId != null) { |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 501 | mCallbacks.dispatchOnDone(getCallerIdentity(), utteranceId); |
Narayan Kamath | 754c72e | 2011-11-09 14:22:32 +0000 | [diff] [blame] | 502 | } |
| 503 | } |
| 504 | |
| 505 | @Override |
| 506 | public void dispatchOnStart() { |
| 507 | final String utteranceId = getUtteranceId(); |
Narayan Kamath | 68e2af5 | 2011-11-28 17:10:04 +0000 | [diff] [blame] | 508 | if (utteranceId != null) { |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 509 | mCallbacks.dispatchOnStart(getCallerIdentity(), utteranceId); |
Narayan Kamath | 754c72e | 2011-11-09 14:22:32 +0000 | [diff] [blame] | 510 | } |
| 511 | } |
| 512 | |
| 513 | @Override |
| 514 | public void dispatchOnError() { |
| 515 | final String utteranceId = getUtteranceId(); |
Narayan Kamath | 68e2af5 | 2011-11-28 17:10:04 +0000 | [diff] [blame] | 516 | if (utteranceId != null) { |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 517 | mCallbacks.dispatchOnError(getCallerIdentity(), utteranceId); |
Narayan Kamath | 8d1fc24 | 2011-06-03 18:11:54 +0100 | [diff] [blame] | 518 | } |
| 519 | } |
| 520 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 521 | public int getStreamType() { |
| 522 | return getIntParam(Engine.KEY_PARAM_STREAM, Engine.DEFAULT_STREAM); |
| 523 | } |
| 524 | |
| 525 | public float getVolume() { |
| 526 | return getFloatParam(Engine.KEY_PARAM_VOLUME, Engine.DEFAULT_VOLUME); |
| 527 | } |
| 528 | |
| 529 | public float getPan() { |
| 530 | return getFloatParam(Engine.KEY_PARAM_PAN, Engine.DEFAULT_PAN); |
| 531 | } |
| 532 | |
| 533 | public String getUtteranceId() { |
| 534 | return getStringParam(Engine.KEY_PARAM_UTTERANCE_ID, null); |
| 535 | } |
| 536 | |
| 537 | protected String getStringParam(String key, String defaultValue) { |
| 538 | return mParams == null ? defaultValue : mParams.getString(key, defaultValue); |
| 539 | } |
| 540 | |
| 541 | protected int getIntParam(String key, int defaultValue) { |
| 542 | return mParams == null ? defaultValue : mParams.getInt(key, defaultValue); |
| 543 | } |
| 544 | |
| 545 | protected float getFloatParam(String key, float defaultValue) { |
| 546 | return mParams == null ? defaultValue : mParams.getFloat(key, defaultValue); |
| 547 | } |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 548 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 549 | } |
| 550 | |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 551 | class SynthesisSpeechItem extends UtteranceSpeechItem { |
Narayan Kamath | 40f71f0 | 2011-11-23 16:42:53 +0000 | [diff] [blame] | 552 | // Never null. |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 553 | private final String mText; |
Narayan Kamath | e22b69a | 2011-06-08 11:41:47 +0100 | [diff] [blame] | 554 | private final SynthesisRequest mSynthesisRequest; |
Narayan Kamath | e5b8c4d | 2011-08-22 15:37:47 +0100 | [diff] [blame] | 555 | private final String[] mDefaultLocale; |
Narayan Kamath | e22b69a | 2011-06-08 11:41:47 +0100 | [diff] [blame] | 556 | // Non null after synthesis has started, and all accesses |
| 557 | // guarded by 'this'. |
| 558 | private AbstractSynthesisCallback mSynthesisCallback; |
Narayan Kamath | 6dabb63 | 2011-07-08 12:13:03 +0100 | [diff] [blame] | 559 | private final EventLogger mEventLogger; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 560 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 561 | public SynthesisSpeechItem(Object callerIdentity, int callerUid, int callerPid, |
| 562 | Bundle params, String text) { |
| 563 | super(callerIdentity, callerUid, callerPid, params); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 564 | mText = text; |
Narayan Kamath | e22b69a | 2011-06-08 11:41:47 +0100 | [diff] [blame] | 565 | mSynthesisRequest = new SynthesisRequest(mText, mParams); |
Narayan Kamath | e5b8c4d | 2011-08-22 15:37:47 +0100 | [diff] [blame] | 566 | mDefaultLocale = getSettingsLocale(); |
Narayan Kamath | e22b69a | 2011-06-08 11:41:47 +0100 | [diff] [blame] | 567 | setRequestParams(mSynthesisRequest); |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 568 | mEventLogger = new EventLogger(mSynthesisRequest, callerUid, callerPid, |
| 569 | mPackageName); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 570 | } |
| 571 | |
| 572 | public String getText() { |
| 573 | return mText; |
| 574 | } |
| 575 | |
| 576 | @Override |
| 577 | public boolean isValid() { |
Narayan Kamath | 40f71f0 | 2011-11-23 16:42:53 +0000 | [diff] [blame] | 578 | if (mText == null) { |
Narayan Kamath | 9c3d7a8 | 2012-07-20 18:01:43 +0100 | [diff] [blame] | 579 | Log.e(TAG, "null synthesis text"); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 580 | return false; |
| 581 | } |
Przemyslaw Szczepaniak | 2d940bc | 2012-11-19 12:22:59 +0000 | [diff] [blame] | 582 | if (mText.length() >= TextToSpeech.getMaxSpeechInputLength()) { |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 583 | Log.w(TAG, "Text too long: " + mText.length() + " chars"); |
| 584 | return false; |
| 585 | } |
| 586 | return true; |
| 587 | } |
| 588 | |
| 589 | @Override |
| 590 | protected int playImpl() { |
Narayan Kamath | e22b69a | 2011-06-08 11:41:47 +0100 | [diff] [blame] | 591 | AbstractSynthesisCallback synthesisCallback; |
Narayan Kamath | 6dabb63 | 2011-07-08 12:13:03 +0100 | [diff] [blame] | 592 | mEventLogger.onRequestProcessingStart(); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 593 | synchronized (this) { |
Narayan Kamath | a65c62a | 2011-09-06 17:04:48 +0100 | [diff] [blame] | 594 | // stop() might have been called before we enter this |
| 595 | // synchronized block. |
| 596 | if (isStopped()) { |
| 597 | return TextToSpeech.ERROR; |
| 598 | } |
Narayan Kamath | e22b69a | 2011-06-08 11:41:47 +0100 | [diff] [blame] | 599 | mSynthesisCallback = createSynthesisCallback(); |
| 600 | synthesisCallback = mSynthesisCallback; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 601 | } |
Narayan Kamath | e22b69a | 2011-06-08 11:41:47 +0100 | [diff] [blame] | 602 | TextToSpeechService.this.onSynthesizeText(mSynthesisRequest, synthesisCallback); |
| 603 | return synthesisCallback.isDone() ? TextToSpeech.SUCCESS : TextToSpeech.ERROR; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 604 | } |
| 605 | |
Narayan Kamath | e22b69a | 2011-06-08 11:41:47 +0100 | [diff] [blame] | 606 | protected AbstractSynthesisCallback createSynthesisCallback() { |
| 607 | return new PlaybackSynthesisCallback(getStreamType(), getVolume(), getPan(), |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 608 | mAudioPlaybackHandler, this, getCallerIdentity(), mEventLogger); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 609 | } |
| 610 | |
| 611 | private void setRequestParams(SynthesisRequest request) { |
Narayan Kamath | c3edf2a | 2011-06-15 12:35:06 +0100 | [diff] [blame] | 612 | request.setLanguage(getLanguage(), getCountry(), getVariant()); |
| 613 | request.setSpeechRate(getSpeechRate()); |
| 614 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 615 | request.setPitch(getPitch()); |
| 616 | } |
| 617 | |
| 618 | @Override |
| 619 | protected void stopImpl() { |
Narayan Kamath | e22b69a | 2011-06-08 11:41:47 +0100 | [diff] [blame] | 620 | AbstractSynthesisCallback synthesisCallback; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 621 | synchronized (this) { |
Narayan Kamath | e22b69a | 2011-06-08 11:41:47 +0100 | [diff] [blame] | 622 | synthesisCallback = mSynthesisCallback; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 623 | } |
Narayan Kamath | a65c62a | 2011-09-06 17:04:48 +0100 | [diff] [blame] | 624 | if (synthesisCallback != null) { |
| 625 | // If the synthesis callback is null, it implies that we haven't |
| 626 | // entered the synchronized(this) block in playImpl which in |
| 627 | // turn implies that synthesis would not have started. |
| 628 | synthesisCallback.stop(); |
| 629 | TextToSpeechService.this.onStop(); |
| 630 | } |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 631 | } |
| 632 | |
| 633 | public String getLanguage() { |
Narayan Kamath | e5b8c4d | 2011-08-22 15:37:47 +0100 | [diff] [blame] | 634 | return getStringParam(Engine.KEY_PARAM_LANGUAGE, mDefaultLocale[0]); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 635 | } |
| 636 | |
| 637 | private boolean hasLanguage() { |
| 638 | return !TextUtils.isEmpty(getStringParam(Engine.KEY_PARAM_LANGUAGE, null)); |
| 639 | } |
| 640 | |
| 641 | private String getCountry() { |
Narayan Kamath | e5b8c4d | 2011-08-22 15:37:47 +0100 | [diff] [blame] | 642 | if (!hasLanguage()) return mDefaultLocale[1]; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 643 | return getStringParam(Engine.KEY_PARAM_COUNTRY, ""); |
| 644 | } |
| 645 | |
| 646 | private String getVariant() { |
Narayan Kamath | e5b8c4d | 2011-08-22 15:37:47 +0100 | [diff] [blame] | 647 | if (!hasLanguage()) return mDefaultLocale[2]; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 648 | return getStringParam(Engine.KEY_PARAM_VARIANT, ""); |
| 649 | } |
| 650 | |
| 651 | private int getSpeechRate() { |
| 652 | return getIntParam(Engine.KEY_PARAM_RATE, getDefaultSpeechRate()); |
| 653 | } |
| 654 | |
| 655 | private int getPitch() { |
| 656 | return getIntParam(Engine.KEY_PARAM_PITCH, Engine.DEFAULT_PITCH); |
| 657 | } |
| 658 | } |
| 659 | |
Przemyslaw Szczepaniak | fcf671b | 2013-03-05 11:28:50 +0000 | [diff] [blame^] | 660 | private class SynthesisToFileOutputStreamSpeechItem extends SynthesisSpeechItem { |
| 661 | private final FileOutputStream mFileOutputStream; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 662 | |
Przemyslaw Szczepaniak | 5acb33a | 2013-02-08 16:36:25 +0000 | [diff] [blame] | 663 | public SynthesisToFileSpeechDescriptorItem(Object callerIdentity, int callerUid, |
Przemyslaw Szczepaniak | fcf671b | 2013-03-05 11:28:50 +0000 | [diff] [blame^] | 664 | int callerPid, Bundle params, String text, FileOutputStream fileOutputStream) { |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 665 | super(callerIdentity, callerUid, callerPid, params, text); |
Przemyslaw Szczepaniak | fcf671b | 2013-03-05 11:28:50 +0000 | [diff] [blame^] | 666 | mFileOutputStream = fileOutputStream; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 667 | } |
| 668 | |
| 669 | @Override |
Narayan Kamath | e22b69a | 2011-06-08 11:41:47 +0100 | [diff] [blame] | 670 | protected AbstractSynthesisCallback createSynthesisCallback() { |
Przemyslaw Szczepaniak | fcf671b | 2013-03-05 11:28:50 +0000 | [diff] [blame^] | 671 | return new FileSynthesisCallback(mFileOutputStream.getChannel()); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 672 | } |
| 673 | |
Narayan Kamath | 8d1fc24 | 2011-06-03 18:11:54 +0100 | [diff] [blame] | 674 | @Override |
| 675 | protected int playImpl() { |
Narayan Kamath | 754c72e | 2011-11-09 14:22:32 +0000 | [diff] [blame] | 676 | dispatchOnStart(); |
Narayan Kamath | 8d1fc24 | 2011-06-03 18:11:54 +0100 | [diff] [blame] | 677 | int status = super.playImpl(); |
| 678 | if (status == TextToSpeech.SUCCESS) { |
Narayan Kamath | 754c72e | 2011-11-09 14:22:32 +0000 | [diff] [blame] | 679 | dispatchOnDone(); |
| 680 | } else { |
| 681 | dispatchOnError(); |
Narayan Kamath | 8d1fc24 | 2011-06-03 18:11:54 +0100 | [diff] [blame] | 682 | } |
Przemyslaw Szczepaniak | fcf671b | 2013-03-05 11:28:50 +0000 | [diff] [blame^] | 683 | try { |
| 684 | mFileOutputStream.close(); |
| 685 | } catch(IOException e) { |
| 686 | Log.w(TAG, "Failed to close output file", e); |
| 687 | } |
Narayan Kamath | 8d1fc24 | 2011-06-03 18:11:54 +0100 | [diff] [blame] | 688 | return status; |
| 689 | } |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 690 | } |
| 691 | |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 692 | private class AudioSpeechItem extends UtteranceSpeechItem { |
Narayan Kamath | af802c6 | 2011-12-05 11:20:07 +0000 | [diff] [blame] | 693 | private final AudioPlaybackQueueItem mItem; |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 694 | public AudioSpeechItem(Object callerIdentity, int callerUid, int callerPid, |
| 695 | Bundle params, Uri uri) { |
| 696 | super(callerIdentity, callerUid, callerPid, params); |
Narayan Kamath | af802c6 | 2011-12-05 11:20:07 +0000 | [diff] [blame] | 697 | mItem = new AudioPlaybackQueueItem(this, getCallerIdentity(), |
| 698 | TextToSpeechService.this, uri, getStreamType()); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 699 | } |
| 700 | |
| 701 | @Override |
| 702 | public boolean isValid() { |
| 703 | return true; |
| 704 | } |
| 705 | |
| 706 | @Override |
| 707 | protected int playImpl() { |
Narayan Kamath | af802c6 | 2011-12-05 11:20:07 +0000 | [diff] [blame] | 708 | mAudioPlaybackHandler.enqueue(mItem); |
Narayan Kamath | 8d1fc24 | 2011-06-03 18:11:54 +0100 | [diff] [blame] | 709 | return TextToSpeech.SUCCESS; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 710 | } |
| 711 | |
| 712 | @Override |
| 713 | protected void stopImpl() { |
Narayan Kamath | be4ad4a | 2011-07-15 13:01:09 +0100 | [diff] [blame] | 714 | // Do nothing. |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 715 | } |
| 716 | } |
| 717 | |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 718 | private class SilenceSpeechItem extends UtteranceSpeechItem { |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 719 | private final long mDuration; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 720 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 721 | public SilenceSpeechItem(Object callerIdentity, int callerUid, int callerPid, |
| 722 | Bundle params, long duration) { |
| 723 | super(callerIdentity, callerUid, callerPid, params); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 724 | mDuration = duration; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 725 | } |
| 726 | |
| 727 | @Override |
| 728 | public boolean isValid() { |
| 729 | return true; |
| 730 | } |
| 731 | |
| 732 | @Override |
| 733 | protected int playImpl() { |
Narayan Kamath | 67ae6bc | 2011-11-30 14:51:00 +0000 | [diff] [blame] | 734 | mAudioPlaybackHandler.enqueue(new SilencePlaybackQueueItem( |
| 735 | this, getCallerIdentity(), mDuration)); |
Narayan Kamath | 8d1fc24 | 2011-06-03 18:11:54 +0100 | [diff] [blame] | 736 | return TextToSpeech.SUCCESS; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 737 | } |
| 738 | |
| 739 | @Override |
| 740 | protected void stopImpl() { |
Narayan Kamath | 67ae6bc | 2011-11-30 14:51:00 +0000 | [diff] [blame] | 741 | // Do nothing, handled by AudioPlaybackHandler#stopForApp |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 742 | } |
| 743 | } |
| 744 | |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 745 | private class LoadLanguageItem extends SpeechItem { |
| 746 | private final String mLanguage; |
| 747 | private final String mCountry; |
| 748 | private final String mVariant; |
| 749 | |
| 750 | public LoadLanguageItem(Object callerIdentity, int callerUid, int callerPid, |
| 751 | Bundle params, String language, String country, String variant) { |
| 752 | super(callerIdentity, callerUid, callerPid, params); |
| 753 | mLanguage = language; |
| 754 | mCountry = country; |
| 755 | mVariant = variant; |
| 756 | } |
| 757 | |
| 758 | @Override |
| 759 | public boolean isValid() { |
| 760 | return true; |
| 761 | } |
| 762 | |
| 763 | @Override |
| 764 | protected int playImpl() { |
| 765 | int result = TextToSpeechService.this.onLoadLanguage(mLanguage, mCountry, mVariant); |
| 766 | if (result == TextToSpeech.LANG_AVAILABLE || |
| 767 | result == TextToSpeech.LANG_COUNTRY_AVAILABLE || |
| 768 | result == TextToSpeech.LANG_COUNTRY_VAR_AVAILABLE) { |
| 769 | return TextToSpeech.SUCCESS; |
| 770 | } |
| 771 | return TextToSpeech.ERROR; |
| 772 | } |
| 773 | |
| 774 | @Override |
| 775 | protected void stopImpl() { |
| 776 | // No-op |
| 777 | } |
| 778 | } |
| 779 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 780 | @Override |
| 781 | public IBinder onBind(Intent intent) { |
| 782 | if (TextToSpeech.Engine.INTENT_ACTION_TTS_SERVICE.equals(intent.getAction())) { |
| 783 | return mBinder; |
| 784 | } |
| 785 | return null; |
| 786 | } |
| 787 | |
| 788 | /** |
| 789 | * Binder returned from {@code #onBind(Intent)}. The methods in this class can be |
| 790 | * called called from several different threads. |
| 791 | */ |
Narayan Kamath | abc63fb | 2011-06-10 11:36:57 +0100 | [diff] [blame] | 792 | // NOTE: All calls that are passed in a calling app are interned so that |
| 793 | // they can be used as message objects (which are tested for equality using ==). |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 794 | private final ITextToSpeechService.Stub mBinder = new ITextToSpeechService.Stub() { |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 795 | @Override |
| 796 | public int speak(IBinder caller, String text, int queueMode, Bundle params) { |
| 797 | if (!checkNonNull(caller, text, params)) { |
Narayan Kamath | abc63fb | 2011-06-10 11:36:57 +0100 | [diff] [blame] | 798 | return TextToSpeech.ERROR; |
| 799 | } |
| 800 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 801 | SpeechItem item = new SynthesisSpeechItem(caller, |
| 802 | Binder.getCallingUid(), Binder.getCallingPid(), params, text); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 803 | return mSynthHandler.enqueueSpeechItem(queueMode, item); |
| 804 | } |
| 805 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 806 | @Override |
Przemyslaw Szczepaniak | 5acb33a | 2013-02-08 16:36:25 +0000 | [diff] [blame] | 807 | public int synthesizeToFileDescriptor(IBinder caller, String text, ParcelFileDescriptor |
| 808 | fileDescriptor, Bundle params) { |
| 809 | if (!checkNonNull(caller, text, fileDescriptor, params)) { |
Narayan Kamath | abc63fb | 2011-06-10 11:36:57 +0100 | [diff] [blame] | 810 | return TextToSpeech.ERROR; |
| 811 | } |
| 812 | |
Przemyslaw Szczepaniak | fcf671b | 2013-03-05 11:28:50 +0000 | [diff] [blame^] | 813 | SpeechItem item = new SynthesisToFileOutputStreamSpeechItem(caller, |
| 814 | Binder.getCallingUid(), Binder.getCallingPid(), params, text, |
| 815 | new ParcelFileDescriptor.AutoCloseOutputStream(fileDescriptor)); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 816 | return mSynthHandler.enqueueSpeechItem(TextToSpeech.QUEUE_ADD, item); |
| 817 | } |
| 818 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 819 | @Override |
| 820 | public int playAudio(IBinder caller, Uri audioUri, int queueMode, Bundle params) { |
| 821 | if (!checkNonNull(caller, audioUri, params)) { |
Narayan Kamath | abc63fb | 2011-06-10 11:36:57 +0100 | [diff] [blame] | 822 | return TextToSpeech.ERROR; |
| 823 | } |
| 824 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 825 | SpeechItem item = new AudioSpeechItem(caller, |
| 826 | Binder.getCallingUid(), Binder.getCallingPid(), params, audioUri); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 827 | return mSynthHandler.enqueueSpeechItem(queueMode, item); |
| 828 | } |
| 829 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 830 | @Override |
| 831 | public int playSilence(IBinder caller, long duration, int queueMode, Bundle params) { |
| 832 | if (!checkNonNull(caller, params)) { |
Narayan Kamath | abc63fb | 2011-06-10 11:36:57 +0100 | [diff] [blame] | 833 | return TextToSpeech.ERROR; |
| 834 | } |
| 835 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 836 | SpeechItem item = new SilenceSpeechItem(caller, |
| 837 | Binder.getCallingUid(), Binder.getCallingPid(), params, duration); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 838 | return mSynthHandler.enqueueSpeechItem(queueMode, item); |
| 839 | } |
| 840 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 841 | @Override |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 842 | public boolean isSpeaking() { |
Narayan Kamath | c34f76f | 2011-07-15 11:13:10 +0100 | [diff] [blame] | 843 | return mSynthHandler.isSpeaking() || mAudioPlaybackHandler.isSpeaking(); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 844 | } |
| 845 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 846 | @Override |
| 847 | public int stop(IBinder caller) { |
| 848 | if (!checkNonNull(caller)) { |
Narayan Kamath | abc63fb | 2011-06-10 11:36:57 +0100 | [diff] [blame] | 849 | return TextToSpeech.ERROR; |
| 850 | } |
| 851 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 852 | return mSynthHandler.stopForApp(caller); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 853 | } |
| 854 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 855 | @Override |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 856 | public String[] getLanguage() { |
| 857 | return onGetLanguage(); |
| 858 | } |
| 859 | |
Przemyslaw Szczepaniak | b465337 | 2012-12-04 14:57:58 +0000 | [diff] [blame] | 860 | @Override |
| 861 | public String[] getClientDefaultLanguage() { |
| 862 | return getSettingsLocale(); |
| 863 | } |
| 864 | |
Narayan Kamath | 7a3af86 | 2011-06-02 17:28:57 +0100 | [diff] [blame] | 865 | /* |
| 866 | * If defaults are enforced, then no language is "available" except |
| 867 | * perhaps the default language selected by the user. |
| 868 | */ |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 869 | @Override |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 870 | public int isLanguageAvailable(String lang, String country, String variant) { |
Narayan Kamath | abc63fb | 2011-06-10 11:36:57 +0100 | [diff] [blame] | 871 | if (!checkNonNull(lang)) { |
| 872 | return TextToSpeech.ERROR; |
| 873 | } |
| 874 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 875 | return onIsLanguageAvailable(lang, country, variant); |
| 876 | } |
| 877 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 878 | @Override |
Narayan Kamath | 748af66 | 2011-10-31 14:20:01 +0000 | [diff] [blame] | 879 | public String[] getFeaturesForLanguage(String lang, String country, String variant) { |
| 880 | Set<String> features = onGetFeaturesForLanguage(lang, country, variant); |
Narayan Kamath | 6c07a20 | 2011-11-07 14:21:39 +0000 | [diff] [blame] | 881 | String[] featuresArray = null; |
| 882 | if (features != null) { |
| 883 | featuresArray = new String[features.size()]; |
| 884 | features.toArray(featuresArray); |
| 885 | } else { |
| 886 | featuresArray = new String[0]; |
| 887 | } |
Narayan Kamath | 748af66 | 2011-10-31 14:20:01 +0000 | [diff] [blame] | 888 | return featuresArray; |
| 889 | } |
| 890 | |
Narayan Kamath | 7a3af86 | 2011-06-02 17:28:57 +0100 | [diff] [blame] | 891 | /* |
| 892 | * There is no point loading a non default language if defaults |
| 893 | * are enforced. |
| 894 | */ |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 895 | @Override |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 896 | public int loadLanguage(IBinder caller, String lang, String country, String variant) { |
Narayan Kamath | abc63fb | 2011-06-10 11:36:57 +0100 | [diff] [blame] | 897 | if (!checkNonNull(lang)) { |
| 898 | return TextToSpeech.ERROR; |
| 899 | } |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 900 | int retVal = onIsLanguageAvailable(lang, country, variant); |
Narayan Kamath | abc63fb | 2011-06-10 11:36:57 +0100 | [diff] [blame] | 901 | |
Przemyslaw Szczepaniak | 13896b7 | 2012-11-09 15:18:16 +0000 | [diff] [blame] | 902 | if (retVal == TextToSpeech.LANG_AVAILABLE || |
| 903 | retVal == TextToSpeech.LANG_COUNTRY_AVAILABLE || |
| 904 | retVal == TextToSpeech.LANG_COUNTRY_VAR_AVAILABLE) { |
| 905 | |
| 906 | SpeechItem item = new LoadLanguageItem(caller, Binder.getCallingUid(), |
| 907 | Binder.getCallingPid(), null, lang, country, variant); |
| 908 | |
| 909 | if (mSynthHandler.enqueueSpeechItem(TextToSpeech.QUEUE_ADD, item) != |
| 910 | TextToSpeech.SUCCESS) { |
| 911 | return TextToSpeech.ERROR; |
| 912 | } |
| 913 | } |
| 914 | return retVal; |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 915 | } |
| 916 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 917 | @Override |
| 918 | public void setCallback(IBinder caller, ITextToSpeechCallback cb) { |
Narayan Kamath | abc63fb | 2011-06-10 11:36:57 +0100 | [diff] [blame] | 919 | // Note that passing in a null callback is a valid use case. |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 920 | if (!checkNonNull(caller)) { |
Narayan Kamath | abc63fb | 2011-06-10 11:36:57 +0100 | [diff] [blame] | 921 | return; |
| 922 | } |
| 923 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 924 | mCallbacks.setCallback(caller, cb); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 925 | } |
Narayan Kamath | 7a3af86 | 2011-06-02 17:28:57 +0100 | [diff] [blame] | 926 | |
Narayan Kamath | abc63fb | 2011-06-10 11:36:57 +0100 | [diff] [blame] | 927 | private String intern(String in) { |
| 928 | // The input parameter will be non null. |
| 929 | return in.intern(); |
| 930 | } |
| 931 | |
| 932 | private boolean checkNonNull(Object... args) { |
| 933 | for (Object o : args) { |
| 934 | if (o == null) return false; |
| 935 | } |
| 936 | return true; |
| 937 | } |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 938 | }; |
| 939 | |
| 940 | private class CallbackMap extends RemoteCallbackList<ITextToSpeechCallback> { |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 941 | private final HashMap<IBinder, ITextToSpeechCallback> mCallerToCallback |
| 942 | = new HashMap<IBinder, ITextToSpeechCallback>(); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 943 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 944 | public void setCallback(IBinder caller, ITextToSpeechCallback cb) { |
| 945 | synchronized (mCallerToCallback) { |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 946 | ITextToSpeechCallback old; |
| 947 | if (cb != null) { |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 948 | register(cb, caller); |
| 949 | old = mCallerToCallback.put(caller, cb); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 950 | } else { |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 951 | old = mCallerToCallback.remove(caller); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 952 | } |
| 953 | if (old != null && old != cb) { |
| 954 | unregister(old); |
| 955 | } |
| 956 | } |
| 957 | } |
| 958 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 959 | public void dispatchOnDone(Object callerIdentity, String utteranceId) { |
| 960 | ITextToSpeechCallback cb = getCallbackFor(callerIdentity); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 961 | if (cb == null) return; |
| 962 | try { |
Narayan Kamath | 754c72e | 2011-11-09 14:22:32 +0000 | [diff] [blame] | 963 | cb.onDone(utteranceId); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 964 | } catch (RemoteException e) { |
Narayan Kamath | 754c72e | 2011-11-09 14:22:32 +0000 | [diff] [blame] | 965 | Log.e(TAG, "Callback onDone failed: " + e); |
| 966 | } |
| 967 | } |
| 968 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 969 | public void dispatchOnStart(Object callerIdentity, String utteranceId) { |
| 970 | ITextToSpeechCallback cb = getCallbackFor(callerIdentity); |
Narayan Kamath | 754c72e | 2011-11-09 14:22:32 +0000 | [diff] [blame] | 971 | if (cb == null) return; |
| 972 | try { |
| 973 | cb.onStart(utteranceId); |
| 974 | } catch (RemoteException e) { |
| 975 | Log.e(TAG, "Callback onStart failed: " + e); |
| 976 | } |
| 977 | |
| 978 | } |
| 979 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 980 | public void dispatchOnError(Object callerIdentity, String utteranceId) { |
| 981 | ITextToSpeechCallback cb = getCallbackFor(callerIdentity); |
Narayan Kamath | 754c72e | 2011-11-09 14:22:32 +0000 | [diff] [blame] | 982 | if (cb == null) return; |
| 983 | try { |
| 984 | cb.onError(utteranceId); |
| 985 | } catch (RemoteException e) { |
| 986 | Log.e(TAG, "Callback onError failed: " + e); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 987 | } |
| 988 | } |
| 989 | |
| 990 | @Override |
| 991 | public void onCallbackDied(ITextToSpeechCallback callback, Object cookie) { |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 992 | IBinder caller = (IBinder) cookie; |
| 993 | synchronized (mCallerToCallback) { |
| 994 | mCallerToCallback.remove(caller); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 995 | } |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 996 | mSynthHandler.stopForApp(caller); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 997 | } |
| 998 | |
| 999 | @Override |
| 1000 | public void kill() { |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 1001 | synchronized (mCallerToCallback) { |
| 1002 | mCallerToCallback.clear(); |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 1003 | super.kill(); |
| 1004 | } |
| 1005 | } |
| 1006 | |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 1007 | private ITextToSpeechCallback getCallbackFor(Object caller) { |
Narayan Kamath | 754c72e | 2011-11-09 14:22:32 +0000 | [diff] [blame] | 1008 | ITextToSpeechCallback cb; |
Narayan Kamath | 492b7f0 | 2011-11-29 17:02:06 +0000 | [diff] [blame] | 1009 | IBinder asBinder = (IBinder) caller; |
| 1010 | synchronized (mCallerToCallback) { |
| 1011 | cb = mCallerToCallback.get(asBinder); |
Narayan Kamath | 754c72e | 2011-11-09 14:22:32 +0000 | [diff] [blame] | 1012 | } |
| 1013 | |
| 1014 | return cb; |
| 1015 | } |
| 1016 | |
Bjorn Bringert | 50e657b | 2011-03-08 16:00:40 +0000 | [diff] [blame] | 1017 | } |
| 1018 | |
| 1019 | } |