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// Copyright 2017 Google Inc. All Rights Reserved.
//
// 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.
#include "cobalt/speech/speech_synthesis_utterance.h"
namespace cobalt {
namespace speech {
SpeechSynthesisUtterance::SpeechSynthesisUtterance()
: volume_(1.0f), rate_(1.0f), pitch_(1.0f), pending_speak_(false) {}
SpeechSynthesisUtterance::SpeechSynthesisUtterance(const std::string& text)
: text_(text),
volume_(1.0f),
rate_(1.0f),
pitch_(1.0f),
pending_speak_(false) {}
SpeechSynthesisUtterance::SpeechSynthesisUtterance(
const scoped_refptr<SpeechSynthesisUtterance>& utterance)
: text_(utterance->text_),
lang_(utterance->lang_),
voice_(utterance->voice_),
volume_(utterance->volume_),
rate_(utterance->rate_),
pitch_(utterance->pitch_),
pending_speak_(false) {
set_onstart(EventListenerScriptValue::Reference(this, *utterance->onstart())
.referenced_value());
set_onend(EventListenerScriptValue::Reference(this, *utterance->onend())
.referenced_value());
set_onerror(EventListenerScriptValue::Reference(this, *utterance->onerror())
.referenced_value());
set_onpause(EventListenerScriptValue::Reference(this, *utterance->onpause())
.referenced_value());
set_onresume(EventListenerScriptValue::Reference(this, *utterance->onresume())
.referenced_value());
set_onmark(EventListenerScriptValue::Reference(this, *utterance->onmark())
.referenced_value());
set_onboundary(
EventListenerScriptValue::Reference(this, *utterance->onboundary())
.referenced_value());
}
SpeechSynthesisUtterance::~SpeechSynthesisUtterance() {
SB_DCHECK(!pending_speak_) << "Destructed utterance has a pending Speak()";
}
void SpeechSynthesisUtterance::DispatchErrorCancelledEvent() {
if (pending_speak_) {
SB_DLOG(INFO) << "Utterance has a pending Speak()";
DispatchErrorEvent(kSpeechSynthesisErrorCodeCanceled);
}
}
void SpeechSynthesisUtterance::SignalPendingSpeak() { pending_speak_ = true; }
void SpeechSynthesisUtterance::DispatchStartEvent() {
DispatchEvent(new SpeechSynthesisEvent(base::Tokens::start(), this));
}
void SpeechSynthesisUtterance::DispatchEndEvent() {
pending_speak_ = false;
DispatchEvent(new SpeechSynthesisEvent(base::Tokens::end(), this));
}
void SpeechSynthesisUtterance::DispatchErrorEvent(
SpeechSynthesisErrorCode error_code) {
pending_speak_ = false;
DispatchEvent(new SpeechSynthesisErrorEvent(error_code, this));
}
} // namespace speech
} // namespace cobalt