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/*
* Copyright (C) 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_SPEECH_SPEECH_SYNTHESIS_UTTERANCE_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_SPEECH_SPEECH_SYNTHESIS_UTTERANCE_H_
#include "third_party/blink/public/mojom/speech/speech_synthesis.mojom-blink-forward.h"
#include "third_party/blink/renderer/core/execution_context/execution_context_lifecycle_observer.h"
#include "third_party/blink/renderer/modules/event_target_modules.h"
#include "third_party/blink/renderer/modules/speech/speech_synthesis_voice.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_receiver.h"
#include "third_party/blink/renderer/platform/wtf/math_extras.h"
namespace blink {
class SpeechSynthesis;
class SpeechSynthesisUtterance final
: public EventTarget,
public ExecutionContextClient,
public mojom::blink::SpeechSynthesisClient {
DEFINE_WRAPPERTYPEINFO();
public:
static SpeechSynthesisUtterance* Create(ExecutionContext*);
static SpeechSynthesisUtterance* Create(ExecutionContext*, const String&);
SpeechSynthesisUtterance(ExecutionContext*, const String&);
~SpeechSynthesisUtterance() override;
const String& text() const { return mojom_utterance_->text; }
void setText(const String& text) { mojom_utterance_->text = text; }
const String& lang() const { return mojom_utterance_->lang; }
void setLang(const String& lang) { mojom_utterance_->lang = lang; }
SpeechSynthesisVoice* voice() const;
void setVoice(SpeechSynthesisVoice*);
float volume() const;
void setVolume(float volume) {
mojom_utterance_->volume = ClampTo(volume, 0.0f, 1.0f);
}
float rate() const;
void setRate(float rate) {
mojom_utterance_->rate = ClampTo(rate, 0.1f, 10.0f);
}
float pitch() const;
void setPitch(float pitch) {
mojom_utterance_->pitch = ClampTo(pitch, 0.0f, 2.0f);
}
double StartTime() const { return start_time_; }
void SetStartTime(double start_time) { start_time_ = start_time; }
DEFINE_ATTRIBUTE_EVENT_LISTENER(start, kStart)
DEFINE_ATTRIBUTE_EVENT_LISTENER(end, kEnd)
DEFINE_ATTRIBUTE_EVENT_LISTENER(error, kError)
DEFINE_ATTRIBUTE_EVENT_LISTENER(pause, kPause)
DEFINE_ATTRIBUTE_EVENT_LISTENER(resume, kResume)
DEFINE_ATTRIBUTE_EVENT_LISTENER(mark, kMark)
DEFINE_ATTRIBUTE_EVENT_LISTENER(boundary, kBoundary)
ExecutionContext* GetExecutionContext() const override {
return ExecutionContextClient::GetExecutionContext();
}
void Trace(Visitor*) const override;
// mojom::blink::SpeechSynthesisClient
void OnStartedSpeaking() override;
void OnFinishedSpeaking(
mojom::blink::SpeechSynthesisErrorCode error_code) override;
void OnPausedSpeaking() override;
void OnResumedSpeaking() override;
void OnEncounteredWordBoundary(uint32_t char_index,
uint32_t char_length) override;
void OnEncounteredSentenceBoundary(uint32_t char_index,
uint32_t char_length) override;
void OnEncounteredSpeakingError() override;
void Start(SpeechSynthesis* synthesis);
private:
void OnDisconnected();
// EventTarget
const AtomicString& InterfaceName() const override;
HeapMojoReceiver<mojom::blink::SpeechSynthesisClient,
SpeechSynthesisUtterance>
receiver_;
mojom::blink::SpeechSynthesisUtterancePtr mojom_utterance_;
Member<SpeechSynthesis> synthesis_;
Member<SpeechSynthesisVoice> voice_;
double start_time_ = 0.0;
bool finished_ = false;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_SPEECH_SPEECH_SYNTHESIS_UTTERANCE_H_
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