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// 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() {
return GetNextUtterance() == kChromeVoxEnabledMessage;
}
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
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