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/*
* Copyright (C) 2013 Apple Computer, 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 PlatformSpeechSynthesisUtterance_h
#define PlatformSpeechSynthesisUtterance_h
#include "platform/PlatformExport.h"
#include "platform/heap/Handle.h"
#include "platform/speech/PlatformSpeechSynthesisVoice.h"
#include "wtf/MathExtras.h"
#include "wtf/text/WTFString.h"
namespace blink {
class PlatformSpeechSynthesisUtteranceClient : public GarbageCollectedMixin {
public:
// Implement methods as needed.
protected:
virtual ~PlatformSpeechSynthesisUtteranceClient() {}
};
class PLATFORM_EXPORT PlatformSpeechSynthesisUtterance final
: public GarbageCollectedFinalized<PlatformSpeechSynthesisUtterance> {
public:
static PlatformSpeechSynthesisUtterance* create(
PlatformSpeechSynthesisUtteranceClient*);
const String& text() const { return m_text; }
void setText(const String& text) { m_text = text; }
const String& lang() const { return m_lang; }
void setLang(const String& lang) { m_lang = lang; }
PlatformSpeechSynthesisVoice* voice() const { return m_voice.get(); }
void setVoice(PlatformSpeechSynthesisVoice* voice) { m_voice = voice; }
// Range = [0, 1] where 1 is the default.
float volume() const { return m_volume; }
void setVolume(float volume) { m_volume = clampTo(volume, 0.0f, 1.0f); }
// Range = [0.1, 10] where 1 is the default.
float rate() const { return m_rate; }
void setRate(float rate) { m_rate = clampTo(rate, 0.1f, 10.0f); }
// Range = [0, 2] where 1 is the default.
float pitch() const { return m_pitch; }
void setPitch(float pitch) { m_pitch = clampTo(pitch, 0.0f, 2.0f); }
double startTime() const { return m_startTime; }
void setStartTime(double startTime) { m_startTime = startTime; }
PlatformSpeechSynthesisUtteranceClient* client() const { return m_client; }
DECLARE_TRACE();
private:
explicit PlatformSpeechSynthesisUtterance(
PlatformSpeechSynthesisUtteranceClient*);
Member<PlatformSpeechSynthesisUtteranceClient> m_client;
String m_text;
String m_lang;
RefPtr<PlatformSpeechSynthesisVoice> m_voice;
float m_volume;
float m_rate;
float m_pitch;
double m_startTime;
};
} // namespace blink
#endif // PlatformSpeechSynthesisUtterance_h
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