| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/chromeos/accessibility/speech_monitor.h" |
| |
| namespace chromeos { |
| |
| namespace { |
| const char kChromeVoxEnabledMessage[] = "chrome vox spoken feedback is ready"; |
| } // anonymous namespace |
| |
| SpeechMonitor::SpeechMonitor() { |
| TtsController::GetInstance()->SetPlatformImpl(this); |
| } |
| |
| SpeechMonitor::~SpeechMonitor() { |
| TtsController::GetInstance()->SetPlatformImpl(TtsPlatformImpl::GetInstance()); |
| } |
| |
| std::string SpeechMonitor::GetNextUtterance() { |
| if (utterance_queue_.empty()) { |
| loop_runner_ = new content::MessageLoopRunner(); |
| loop_runner_->Run(); |
| loop_runner_ = NULL; |
| } |
| std::string result = utterance_queue_.front(); |
| utterance_queue_.pop_front(); |
| return result; |
| } |
| |
| bool SpeechMonitor::SkipChromeVoxEnabledMessage() { |
| while (true) { |
| if (utterance_queue_.empty()) { |
| loop_runner_ = new content::MessageLoopRunner(); |
| loop_runner_->Run(); |
| loop_runner_ = NULL; |
| } |
| std::string result = utterance_queue_.front(); |
| utterance_queue_.pop_front(); |
| if (result == kChromeVoxEnabledMessage) |
| return true; |
| } |
| return false; |
| } |
| |
| bool SpeechMonitor::PlatformImplAvailable() { |
| return true; |
| } |
| |
| bool SpeechMonitor::Speak( |
| int utterance_id, |
| const std::string& utterance, |
| const std::string& lang, |
| const VoiceData& voice, |
| const UtteranceContinuousParameters& params) { |
| TtsController::GetInstance()->OnTtsEvent( |
| utterance_id, |
| TTS_EVENT_END, |
| static_cast<int>(utterance.size()), |
| std::string()); |
| return true; |
| } |
| |
| bool SpeechMonitor::StopSpeaking() { |
| return true; |
| } |
| |
| bool SpeechMonitor::IsSpeaking() { |
| return false; |
| } |
| |
| void SpeechMonitor::GetVoices(std::vector<VoiceData>* out_voices) { |
| out_voices->push_back(VoiceData()); |
| VoiceData& voice = out_voices->back(); |
| voice.native = true; |
| voice.name = "SpeechMonitor"; |
| voice.events.insert(TTS_EVENT_END); |
| } |
| |
| std::string SpeechMonitor::error() { |
| return ""; |
| } |
| |
| void SpeechMonitor::WillSpeakUtteranceWithVoice(const Utterance* utterance, |
| const VoiceData& voice_data) { |
| VLOG(0) << "Speaking " << utterance->text(); |
| utterance_queue_.push_back(utterance->text()); |
| if (loop_runner_.get()) |
| loop_runner_->Quit(); |
| } |
| |
| } // namespace chromeos |