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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/speech/speech_input_extension_manager.h" | |
| 6 | |
| 7 #include "base/bind.h" | |
| 8 #include "base/json/json_writer.h" | |
| 9 #include "base/utf_string_conversions.h" | |
| 10 #include "base/values.h" | |
| 11 #include "chrome/browser/extensions/extension_event_router.h" | |
| 12 #include "chrome/browser/extensions/extension_service.h" | |
| 13 #include "chrome/browser/prefs/pref_service.h" | |
| 14 #include "chrome/browser/profiles/profile.h" | |
| 15 #include "chrome/browser/profiles/profile_dependency_manager.h" | |
| 16 #include "chrome/browser/profiles/profile_keyed_service.h" | |
| 17 #include "chrome/browser/profiles/profile_keyed_service_factory.h" | |
| 18 #include "chrome/common/chrome_notification_types.h" | |
| 19 #include "chrome/common/extensions/extension.h" | |
| 20 #include "chrome/common/pref_names.h" | |
| 21 #include "content/public/browser/browser_thread.h" | |
| 22 #include "content/public/browser/notification_service.h" | |
| 23 | |
| 24 using content::BrowserThread; | |
| 25 using namespace speech_input; | |
| 26 | |
| 27 namespace { | |
| 28 | |
| 29 const char kErrorNoRecordingDeviceFound[] = "noRecordingDeviceFound"; | |
| 30 const char kErrorRecordingDeviceInUse[] = "recordingDeviceInUse"; | |
| 31 const char kErrorUnableToStart[] = "unableToStart"; | |
| 32 const char kErrorRequestDenied[] = "requestDenied"; | |
| 33 const char kErrorRequestInProgress[] = "requestInProgress"; | |
| 34 const char kErrorInvalidOperation[] = "invalidOperation"; | |
| 35 | |
| 36 const char kErrorCodeKey[] = "code"; | |
| 37 const char kErrorCaptureError[] = "captureError"; | |
| 38 const char kErrorNetworkError[] = "networkError"; | |
| 39 const char kErrorNoSpeechHeard[] = "noSpeechHeard"; | |
| 40 const char kErrorNoResults[] = "noResults"; | |
| 41 | |
| 42 const char kUtteranceKey[] = "utterance"; | |
| 43 const char kConfidenceKey[] = "confidence"; | |
| 44 const char kHypothesesKey[] = "hypotheses"; | |
| 45 | |
| 46 const char kOnErrorEvent[] = "experimental.speechInput.onError"; | |
| 47 const char kOnResultEvent[] = "experimental.speechInput.onResult"; | |
| 48 const char kOnSoundStartEvent[] = "experimental.speechInput.onSoundStart"; | |
| 49 const char kOnSoundEndEvent[] = "experimental.speechInput.onSoundEnd"; | |
| 50 | |
| 51 // Caller id provided to the speech recognizer. Since only one extension can | |
| 52 // be recording on the same time a constant value is enough as id. | |
| 53 static const int kSpeechCallerId = 1; | |
| 54 | |
| 55 // Wrap an SpeechInputExtensionManager using scoped_refptr to avoid | |
| 56 // assertion failures on destruction because of not using release(). | |
| 57 class SpeechInputExtensionManagerWrapper : public ProfileKeyedService { | |
| 58 public: | |
| 59 explicit SpeechInputExtensionManagerWrapper( | |
| 60 SpeechInputExtensionManager* manager) | |
| 61 : manager_(manager) {} | |
| 62 | |
| 63 virtual ~SpeechInputExtensionManagerWrapper() {} | |
| 64 | |
| 65 SpeechInputExtensionManager* manager() const { return manager_.get(); } | |
| 66 | |
| 67 private: | |
| 68 // Methods from ProfileKeyedService. | |
| 69 virtual void Shutdown() OVERRIDE { | |
| 70 manager()->ShutdownOnUIThread(); | |
| 71 } | |
| 72 | |
| 73 scoped_refptr<SpeechInputExtensionManager> manager_; | |
| 74 }; | |
| 75 | |
| 76 } | |
| 77 | |
| 78 // Factory for SpeechInputExtensionManagers as profile keyed services. | |
| 79 class SpeechInputExtensionManager::Factory : public ProfileKeyedServiceFactory { | |
| 80 public: | |
| 81 static void Initialize(); | |
| 82 static Factory* GetInstance(); | |
| 83 | |
| 84 SpeechInputExtensionManagerWrapper* GetForProfile(Profile* profile); | |
| 85 | |
| 86 private: | |
| 87 friend struct DefaultSingletonTraits<Factory>; | |
| 88 | |
| 89 Factory(); | |
| 90 virtual ~Factory(); | |
| 91 | |
| 92 // ProfileKeyedServiceFactory methods: | |
| 93 virtual ProfileKeyedService* BuildServiceInstanceFor( | |
| 94 Profile* profile) const OVERRIDE; | |
| 95 virtual bool ServiceRedirectedInIncognito() OVERRIDE { return false; } | |
| 96 virtual bool ServiceIsNULLWhileTesting() OVERRIDE { return true; } | |
| 97 virtual bool ServiceIsCreatedWithProfile() OVERRIDE { return true; } | |
| 98 | |
| 99 DISALLOW_COPY_AND_ASSIGN(Factory); | |
| 100 }; | |
| 101 | |
| 102 void SpeechInputExtensionManager::Factory::Initialize() { | |
| 103 GetInstance(); | |
| 104 } | |
| 105 | |
| 106 SpeechInputExtensionManager::Factory* | |
| 107 SpeechInputExtensionManager::Factory::GetInstance() { | |
| 108 return Singleton<SpeechInputExtensionManager::Factory>::get(); | |
| 109 } | |
| 110 | |
| 111 SpeechInputExtensionManagerWrapper* | |
| 112 SpeechInputExtensionManager::Factory::GetForProfile( | |
| 113 Profile* profile) { | |
| 114 return static_cast<SpeechInputExtensionManagerWrapper*>( | |
| 115 GetServiceForProfile(profile, true)); | |
| 116 } | |
| 117 | |
| 118 SpeechInputExtensionManager::Factory::Factory() | |
| 119 : ProfileKeyedServiceFactory(ProfileDependencyManager::GetInstance()) { | |
| 120 } | |
| 121 | |
| 122 SpeechInputExtensionManager::Factory::~Factory() { | |
| 123 } | |
| 124 | |
| 125 ProfileKeyedService* | |
| 126 SpeechInputExtensionManager::Factory::BuildServiceInstanceFor( | |
| 127 Profile* profile) const { | |
| 128 scoped_refptr<SpeechInputExtensionManager> manager( | |
| 129 new SpeechInputExtensionManager(profile)); | |
| 130 return new SpeechInputExtensionManagerWrapper(manager); | |
| 131 } | |
| 132 | |
| 133 SpeechInputExtensionInterface::SpeechInputExtensionInterface() { | |
| 134 } | |
| 135 | |
| 136 SpeechInputExtensionInterface::~SpeechInputExtensionInterface() { | |
| 137 } | |
| 138 | |
| 139 SpeechInputExtensionManager::SpeechInputExtensionManager(Profile* profile) | |
| 140 : profile_(profile), | |
| 141 state_(kIdle), | |
| 142 speech_interface_(NULL), | |
| 143 notification_(profile) { | |
| 144 registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED, | |
| 145 content::Source<Profile>(profile_)); | |
| 146 } | |
| 147 | |
| 148 SpeechInputExtensionManager::~SpeechInputExtensionManager() { | |
| 149 } | |
| 150 | |
| 151 SpeechInputExtensionManager* SpeechInputExtensionManager::GetForProfile( | |
| 152 Profile* profile) { | |
| 153 SpeechInputExtensionManagerWrapper *wrapper = | |
| 154 Factory::GetInstance()->GetForProfile(profile); | |
| 155 if (!wrapper) | |
| 156 return NULL; | |
| 157 return wrapper->manager(); | |
| 158 } | |
| 159 | |
| 160 void SpeechInputExtensionManager::InitializeFactory() { | |
| 161 Factory::Initialize(); | |
| 162 } | |
| 163 | |
| 164 void SpeechInputExtensionManager::Observe(int type, | |
| 165 const content::NotificationSource& source, | |
| 166 const content::NotificationDetails& details) { | |
| 167 if (type == chrome::NOTIFICATION_EXTENSION_UNLOADED) { | |
| 168 ExtensionUnloaded( | |
| 169 content::Details<UnloadedExtensionInfo>(details)->extension->id()); | |
| 170 } else { | |
| 171 NOTREACHED(); | |
| 172 } | |
| 173 } | |
| 174 | |
| 175 void SpeechInputExtensionManager::ShutdownOnUIThread() { | |
| 176 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 177 VLOG(1) << "Profile shutting down."; | |
| 178 | |
| 179 base::AutoLock auto_lock(state_lock_); | |
| 180 DCHECK(state_ != kShutdown); | |
| 181 if (state_ != kIdle) { | |
| 182 notification_.Hide(); | |
| 183 BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, | |
| 184 base::Bind(&SpeechInputExtensionManager::ForceStopOnIOThread, this)); | |
| 185 } | |
| 186 state_ = kShutdown; | |
| 187 VLOG(1) << "Entering the shutdown sink state."; | |
| 188 registrar_.RemoveAll(); | |
| 189 profile_ = NULL; | |
| 190 } | |
| 191 | |
| 192 void SpeechInputExtensionManager::ExtensionUnloaded( | |
| 193 const std::string& extension_id) { | |
| 194 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 195 | |
| 196 base::AutoLock auto_lock(state_lock_); | |
| 197 if (state_ == kShutdown) | |
| 198 return; | |
| 199 | |
| 200 VLOG(1) << "Extension unloaded. Requesting to enforce stop..."; | |
| 201 if (extension_id_in_use_ == extension_id) { | |
| 202 if (state_ != kIdle) { | |
| 203 BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, | |
| 204 base::Bind(&SpeechInputExtensionManager::ForceStopOnIOThread, this)); | |
| 205 } | |
| 206 } | |
| 207 } | |
| 208 | |
| 209 void SpeechInputExtensionManager::SetSpeechInputExtensionInterface( | |
| 210 SpeechInputExtensionInterface* interface) { | |
| 211 speech_interface_ = interface; | |
| 212 } | |
| 213 | |
| 214 SpeechInputExtensionInterface* | |
| 215 SpeechInputExtensionManager::GetSpeechInputExtensionInterface() { | |
| 216 return speech_interface_ ? speech_interface_ : this; | |
| 217 } | |
| 218 | |
| 219 void SpeechInputExtensionManager::ResetToIdleState() { | |
| 220 VLOG(1) << "State changed to idle. Deassociating any extensions."; | |
| 221 state_ = kIdle; | |
| 222 extension_id_in_use_.clear(); | |
| 223 } | |
| 224 | |
| 225 void SpeechInputExtensionManager::SetRecognitionResult( | |
| 226 int caller_id, | |
| 227 const SpeechInputResult& result) { | |
| 228 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 229 DCHECK_EQ(caller_id, kSpeechCallerId); | |
| 230 | |
| 231 // Stopping will start the disassociation with the extension. | |
| 232 // Make a copy to report the results to the proper one. | |
| 233 std::string extension_id = extension_id_in_use_; | |
| 234 ForceStopOnIOThread(); | |
| 235 | |
| 236 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, | |
| 237 base::Bind(&SpeechInputExtensionManager::SetRecognitionResultOnUIThread, | |
| 238 this, result, extension_id)); | |
| 239 } | |
| 240 | |
| 241 void SpeechInputExtensionManager::SetRecognitionResultOnUIThread( | |
| 242 const SpeechInputResult& result, const std::string& extension_id) { | |
| 243 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 244 | |
| 245 ListValue args; | |
| 246 DictionaryValue* js_event = new DictionaryValue(); | |
| 247 args.Append(js_event); | |
| 248 | |
| 249 ListValue* js_hypothesis_array = new ListValue(); | |
| 250 js_event->Set(kHypothesesKey, js_hypothesis_array); | |
| 251 | |
| 252 for (size_t i = 0; i < result.hypotheses.size(); ++i) { | |
| 253 const SpeechInputHypothesis& hypothesis = result.hypotheses[i]; | |
| 254 | |
| 255 DictionaryValue* js_hypothesis_object = new DictionaryValue(); | |
| 256 js_hypothesis_array->Append(js_hypothesis_object); | |
| 257 | |
| 258 js_hypothesis_object->SetString(kUtteranceKey, | |
| 259 UTF16ToUTF8(hypothesis.utterance)); | |
| 260 js_hypothesis_object->SetDouble(kConfidenceKey, | |
| 261 hypothesis.confidence); | |
| 262 } | |
| 263 | |
| 264 std::string json_args; | |
| 265 base::JSONWriter::Write(&args, false, &json_args); | |
| 266 VLOG(1) << "Results: " << json_args; | |
| 267 DispatchEventToExtension(extension_id, kOnResultEvent, json_args); | |
| 268 } | |
| 269 | |
| 270 void SpeechInputExtensionManager::DidStartReceivingAudio(int caller_id) { | |
| 271 VLOG(1) << "DidStartReceivingAudio"; | |
| 272 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 273 DCHECK_EQ(caller_id, kSpeechCallerId); | |
| 274 | |
| 275 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, | |
| 276 base::Bind(&SpeechInputExtensionManager::DidStartReceivingAudioOnUIThread, | |
| 277 this)); | |
| 278 } | |
| 279 | |
| 280 void SpeechInputExtensionManager::DidCompleteRecording(int caller_id) { | |
| 281 DCHECK_EQ(caller_id, kSpeechCallerId); | |
| 282 } | |
| 283 | |
| 284 void SpeechInputExtensionManager::DidCompleteRecognition(int caller_id) { | |
| 285 DCHECK_EQ(caller_id, kSpeechCallerId); | |
| 286 } | |
| 287 | |
| 288 void SpeechInputExtensionManager::DidStartReceivingAudioOnUIThread() { | |
| 289 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 290 | |
| 291 base::AutoLock auto_lock(state_lock_); | |
| 292 if (state_ == kShutdown) | |
| 293 return; | |
| 294 | |
| 295 DCHECK_EQ(state_, kStarting); | |
| 296 VLOG(1) << "State changed to recording"; | |
| 297 state_ = kRecording; | |
| 298 | |
| 299 const Extension* extension = profile_->GetExtensionService()-> | |
| 300 GetExtensionById(extension_id_in_use_, true); | |
| 301 DCHECK(extension); | |
| 302 | |
| 303 bool show_notification = !profile_->GetPrefs()->GetBoolean( | |
| 304 prefs::kSpeechInputTrayNotificationShown); | |
| 305 | |
| 306 notification_.Show(extension, show_notification); | |
| 307 | |
| 308 if (show_notification) { | |
| 309 profile_->GetPrefs()->SetBoolean( | |
| 310 prefs::kSpeechInputTrayNotificationShown, true); | |
| 311 } | |
| 312 | |
| 313 VLOG(1) << "Sending start notification"; | |
| 314 content::NotificationService::current()->Notify( | |
| 315 chrome::NOTIFICATION_EXTENSION_SPEECH_INPUT_RECORDING_STARTED, | |
| 316 content::Source<Profile>(profile_), | |
| 317 content::Details<std::string>(&extension_id_in_use_)); | |
| 318 } | |
| 319 | |
| 320 void SpeechInputExtensionManager::OnRecognizerError( | |
| 321 int caller_id, SpeechInputError error) { | |
| 322 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 323 DCHECK_EQ(caller_id, kSpeechCallerId); | |
| 324 VLOG(1) << "OnRecognizerError: " << error; | |
| 325 | |
| 326 base::AutoLock auto_lock(state_lock_); | |
| 327 if (state_ == kShutdown) | |
| 328 return; | |
| 329 | |
| 330 // Release the recognizer object. | |
| 331 GetSpeechInputExtensionInterface()->StopRecording(true); | |
| 332 | |
| 333 std::string event_error_code; | |
| 334 bool report_to_event = true; | |
| 335 | |
| 336 switch (error) { | |
| 337 case kErrorNone: | |
| 338 break; | |
| 339 | |
| 340 case kErrorAudio: | |
| 341 if (state_ == kStarting) { | |
| 342 event_error_code = kErrorUnableToStart; | |
| 343 report_to_event = false; | |
| 344 } else { | |
| 345 event_error_code = kErrorCaptureError; | |
| 346 } | |
| 347 break; | |
| 348 | |
| 349 case kErrorNetwork: | |
| 350 event_error_code = kErrorNetworkError; | |
| 351 break; | |
| 352 | |
| 353 case kErrorBadGrammar: | |
| 354 // No error is returned on invalid language, for example. | |
| 355 // To avoid confusion about when this is would be fired, the invalid | |
| 356 // params error is not being exposed to the onError event. | |
| 357 event_error_code = kErrorUnableToStart; | |
| 358 break; | |
| 359 | |
| 360 case kErrorNoSpeech: | |
| 361 event_error_code = kErrorNoSpeechHeard; | |
| 362 break; | |
| 363 | |
| 364 case kErrorNoMatch: | |
| 365 event_error_code = kErrorNoResults; | |
| 366 break; | |
| 367 | |
| 368 // The remaining kErrorAborted case should never be returned by the server. | |
| 369 default: | |
| 370 NOTREACHED(); | |
| 371 } | |
| 372 | |
| 373 if (!event_error_code.empty()) { | |
| 374 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, | |
| 375 base::Bind(&SpeechInputExtensionManager::DispatchError, | |
| 376 this, event_error_code, report_to_event)); | |
| 377 } | |
| 378 } | |
| 379 | |
| 380 void SpeechInputExtensionManager::DidCompleteEnvironmentEstimation( | |
| 381 int caller_id) { | |
| 382 DCHECK_EQ(caller_id, kSpeechCallerId); | |
| 383 } | |
| 384 | |
| 385 void SpeechInputExtensionManager::DidStartReceivingSpeech(int caller_id) { | |
| 386 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 387 DCHECK_EQ(caller_id, kSpeechCallerId); | |
| 388 VLOG(1) << "DidStartReceivingSpeech"; | |
| 389 | |
| 390 std::string json_args; | |
| 391 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, | |
| 392 base::Bind(&SpeechInputExtensionManager::DispatchEventToExtension, | |
| 393 this, extension_id_in_use_, std::string(kOnSoundStartEvent), | |
| 394 json_args)); | |
| 395 } | |
| 396 | |
| 397 void SpeechInputExtensionManager::DidStopReceivingSpeech(int caller_id) { | |
| 398 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 399 DCHECK_EQ(caller_id, kSpeechCallerId); | |
| 400 VLOG(1) << "DidStopReceivingSpeech"; | |
| 401 | |
| 402 std::string json_args; | |
| 403 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, | |
| 404 base::Bind(&SpeechInputExtensionManager::DispatchEventToExtension, | |
| 405 this, extension_id_in_use_, std::string(kOnSoundEndEvent), | |
| 406 json_args)); | |
| 407 } | |
| 408 | |
| 409 void SpeechInputExtensionManager::DispatchEventToExtension( | |
| 410 const std::string& extension_id, const std::string& event, | |
| 411 const std::string& json_args) { | |
| 412 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 413 | |
| 414 base::AutoLock auto_lock(state_lock_); | |
| 415 if (state_ == kShutdown) | |
| 416 return; | |
| 417 | |
| 418 if (profile_ && profile_->GetExtensionEventRouter()) { | |
| 419 std::string final_args; | |
| 420 if (json_args.empty()) { | |
| 421 ListValue args; | |
| 422 base::JSONWriter::Write(&args, false, &final_args); | |
| 423 } else { | |
| 424 final_args = json_args; | |
| 425 } | |
| 426 | |
| 427 profile_->GetExtensionEventRouter()->DispatchEventToExtension( | |
| 428 extension_id, event, final_args, profile_, GURL()); | |
| 429 } | |
| 430 } | |
| 431 | |
| 432 void SpeechInputExtensionManager::DispatchError( | |
| 433 const std::string& error, bool dispatch_event) { | |
| 434 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 435 | |
| 436 std::string extension_id; | |
| 437 { | |
| 438 base::AutoLock auto_lock(state_lock_); | |
| 439 if (state_ == kShutdown) | |
| 440 return; | |
| 441 | |
| 442 if (state_ == kRecording) | |
| 443 notification_.Hide(); | |
| 444 | |
| 445 extension_id = extension_id_in_use_; | |
| 446 ResetToIdleState(); | |
| 447 | |
| 448 // Will set the error property in the ongoing extension function calls. | |
| 449 ExtensionError details(extension_id, error); | |
| 450 content::NotificationService::current()->Notify( | |
| 451 chrome::NOTIFICATION_EXTENSION_SPEECH_INPUT_FAILED, | |
| 452 content::Source<Profile>(profile_), | |
| 453 content::Details<ExtensionError>(&details)); | |
| 454 } | |
| 455 | |
| 456 // Used for errors that are also reported via the onError event. | |
| 457 if (dispatch_event) { | |
| 458 ListValue args; | |
| 459 DictionaryValue *js_error = new DictionaryValue(); | |
| 460 args.Append(js_error); | |
| 461 js_error->SetString(kErrorCodeKey, error); | |
| 462 std::string json_args; | |
| 463 base::JSONWriter::Write(&args, false, &json_args); | |
| 464 DispatchEventToExtension(extension_id, | |
| 465 kOnErrorEvent, json_args); | |
| 466 } | |
| 467 } | |
| 468 | |
| 469 bool SpeechInputExtensionManager::Start(const std::string& extension_id, | |
| 470 const std::string& language, const std::string& grammar, | |
| 471 bool filter_profanities, std::string* error) { | |
| 472 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 473 DCHECK(error); | |
| 474 VLOG(1) << "Requesting start (UI thread)"; | |
| 475 | |
| 476 base::AutoLock auto_lock(state_lock_); | |
| 477 if (state_ == kShutdown || | |
| 478 (!extension_id_in_use_.empty() && extension_id_in_use_ != extension_id)) { | |
| 479 *error = kErrorRequestDenied; | |
| 480 return false; | |
| 481 } | |
| 482 | |
| 483 switch (state_) { | |
| 484 case kIdle: | |
| 485 break; | |
| 486 | |
| 487 case kStarting: | |
| 488 *error = kErrorRequestInProgress; | |
| 489 return false; | |
| 490 | |
| 491 case kRecording: | |
| 492 case kStopping: | |
| 493 *error = kErrorInvalidOperation; | |
| 494 return false; | |
| 495 | |
| 496 default: | |
| 497 NOTREACHED(); | |
| 498 } | |
| 499 | |
| 500 extension_id_in_use_ = extension_id; | |
| 501 VLOG(1) << "State changed to starting"; | |
| 502 state_ = kStarting; | |
| 503 | |
| 504 BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, | |
| 505 base::Bind(&SpeechInputExtensionManager::StartOnIOThread, this, | |
| 506 profile_->GetRequestContext(), language, grammar, filter_profanities)); | |
| 507 return true; | |
| 508 } | |
| 509 | |
| 510 void SpeechInputExtensionManager::StartOnIOThread( | |
| 511 net::URLRequestContextGetter* context_getter, | |
| 512 const std::string& language, const std::string& grammar, | |
| 513 bool filter_profanities) { | |
| 514 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 515 VLOG(1) << "Requesting start (IO thread)"; | |
| 516 | |
| 517 // Everything put inside the lock to ensure the validity of context_getter, | |
| 518 // guaranteed while not in the shutdown state. Any ongoing or recognition | |
| 519 // request will be requested to be aborted when entering the shutdown state. | |
| 520 base::AutoLock auto_lock(state_lock_); | |
| 521 if (state_ == kShutdown) | |
| 522 return; | |
| 523 | |
| 524 if (!GetSpeechInputExtensionInterface()->HasAudioInputDevices()) { | |
| 525 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, | |
| 526 base::Bind(&SpeechInputExtensionManager::DispatchError, this, | |
| 527 std::string(kErrorNoRecordingDeviceFound), false)); | |
| 528 return; | |
| 529 } | |
| 530 | |
| 531 if (GetSpeechInputExtensionInterface()->IsRecordingInProcess()) { | |
| 532 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, | |
| 533 base::Bind(&SpeechInputExtensionManager::DispatchError, this, | |
| 534 std::string(kErrorRecordingDeviceInUse), false)); | |
| 535 return; | |
| 536 } | |
| 537 | |
| 538 GetSpeechInputExtensionInterface()->StartRecording(this, context_getter, | |
| 539 kSpeechCallerId, language, grammar, filter_profanities); | |
| 540 } | |
| 541 | |
| 542 bool SpeechInputExtensionManager::HasAudioInputDevices() { | |
| 543 return AudioManager::GetAudioManager()->HasAudioInputDevices(); | |
| 544 } | |
| 545 | |
| 546 bool SpeechInputExtensionManager::IsRecordingInProcess() { | |
| 547 // Thread-safe query. | |
| 548 return AudioManager::GetAudioManager()->IsRecordingInProcess(); | |
| 549 } | |
| 550 | |
| 551 bool SpeechInputExtensionManager::IsRecording() { | |
| 552 return GetSpeechInputExtensionInterface()->IsRecordingInProcess(); | |
| 553 } | |
| 554 | |
| 555 void SpeechInputExtensionManager::StartRecording( | |
| 556 speech_input::SpeechRecognizerDelegate* delegate, | |
| 557 net::URLRequestContextGetter* context_getter, int caller_id, | |
| 558 const std::string& language, const std::string& grammar, | |
| 559 bool filter_profanities) { | |
| 560 DCHECK(!recognizer_); | |
| 561 recognizer_ = new SpeechRecognizer(delegate, caller_id, language, grammar, | |
| 562 context_getter, filter_profanities, "", ""); | |
| 563 recognizer_->StartRecording(); | |
| 564 } | |
| 565 | |
| 566 bool SpeechInputExtensionManager::HasValidRecognizer() { | |
| 567 // Conditional expression used to avoid a performance warning on windows. | |
| 568 return recognizer_ ? true : false; | |
| 569 } | |
| 570 | |
| 571 bool SpeechInputExtensionManager::Stop(const std::string& extension_id, | |
| 572 std::string* error) { | |
| 573 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 574 DCHECK(error); | |
| 575 VLOG(1) << "Requesting stop (UI thread)"; | |
| 576 | |
| 577 base::AutoLock auto_lock(state_lock_); | |
| 578 if (state_ == kShutdown || | |
| 579 (!extension_id_in_use_.empty() && extension_id_in_use_ != extension_id)) { | |
| 580 *error = kErrorRequestDenied; | |
| 581 return false; | |
| 582 } | |
| 583 | |
| 584 switch (state_) { | |
| 585 case kRecording: | |
| 586 break; | |
| 587 | |
| 588 case kStopping: | |
| 589 *error = kErrorRequestInProgress; | |
| 590 return false; | |
| 591 | |
| 592 case kIdle: | |
| 593 case kStarting: | |
| 594 *error = kErrorInvalidOperation; | |
| 595 return false; | |
| 596 | |
| 597 default: | |
| 598 NOTREACHED(); | |
| 599 } | |
| 600 | |
| 601 // Guarded by the state lock. | |
| 602 DCHECK(GetSpeechInputExtensionInterface()->HasValidRecognizer()); | |
| 603 | |
| 604 VLOG(1) << "State changed to stopping"; | |
| 605 state_ = kStopping; | |
| 606 | |
| 607 BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, | |
| 608 base::Bind(&SpeechInputExtensionManager::ForceStopOnIOThread, this)); | |
| 609 return true; | |
| 610 } | |
| 611 | |
| 612 void SpeechInputExtensionManager::ForceStopOnIOThread() { | |
| 613 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 614 VLOG(1) << "Requesting forced stop (IO thread)"; | |
| 615 | |
| 616 base::AutoLock auto_lock(state_lock_); | |
| 617 DCHECK(state_ != kIdle); | |
| 618 | |
| 619 GetSpeechInputExtensionInterface()->StopRecording(false); | |
| 620 | |
| 621 if (state_ == kShutdown) | |
| 622 return; | |
| 623 | |
| 624 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, | |
| 625 base::Bind(&SpeechInputExtensionManager::StopSucceededOnUIThread, this)); | |
| 626 } | |
| 627 | |
| 628 void SpeechInputExtensionManager::StopRecording(bool recognition_failed) { | |
| 629 if (recognizer_) { | |
| 630 // Recognition is already cancelled in case of failure. | |
| 631 // Double-cancelling leads to assertion failures. | |
| 632 if (!recognition_failed) | |
| 633 recognizer_->CancelRecognition(); | |
| 634 recognizer_.release(); | |
| 635 } | |
| 636 } | |
| 637 | |
| 638 void SpeechInputExtensionManager::StopSucceededOnUIThread() { | |
| 639 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 640 VLOG(1) << "Stop succeeded (UI thread)"; | |
| 641 | |
| 642 base::AutoLock auto_lock(state_lock_); | |
| 643 if (state_ == kShutdown) | |
| 644 return; | |
| 645 | |
| 646 std::string extension_id = extension_id_in_use_; | |
| 647 ResetToIdleState(); | |
| 648 | |
| 649 notification_.Hide(); | |
| 650 | |
| 651 content::NotificationService::current()->Notify( | |
| 652 chrome::NOTIFICATION_EXTENSION_SPEECH_INPUT_RECORDING_STOPPED, | |
| 653 // Guarded by the state_ == kShutdown check. | |
| 654 content::Source<Profile>(profile_), | |
| 655 content::Details<std::string>(&extension_id)); | |
| 656 } | |
| 657 | |
| 658 void SpeechInputExtensionManager::SetInputVolume(int caller_id, | |
| 659 float volume, | |
| 660 float noise_volume) { | |
| 661 DCHECK_EQ(caller_id, kSpeechCallerId); | |
| 662 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | |
| 663 BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, | |
| 664 base::Bind(&SpeechInputExtensionManager::SetInputVolumeOnUIThread, | |
| 665 this, volume)); | |
| 666 } | |
| 667 | |
| 668 void SpeechInputExtensionManager::SetInputVolumeOnUIThread( | |
| 669 float volume) { | |
| 670 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
| 671 notification_.SetVUMeterVolume(volume); | |
| 672 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 8508051:
Revert 109285 - Seems to have broken chrome_frame_net_tests on the win_rel trybot, stuffing up th... (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src/