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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 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 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.
*/
#pragma once
#if ENABLE(SPEECH_SYNTHESIS)
#include "ContextDestructionObserver.h"
#include "EventTarget.h"
#include "PlatformSpeechSynthesisUtterance.h"
#include "SpeechSynthesisErrorCode.h"
#include "SpeechSynthesisVoice.h"
#include <wtf/RefCounted.h>
namespace WebCore {
class WEBCORE_EXPORT SpeechSynthesisUtterance final : public PlatformSpeechSynthesisUtteranceClient, public RefCounted<SpeechSynthesisUtterance>, public EventTarget {
WTF_MAKE_ISO_ALLOCATED(SpeechSynthesisUtterance);
public:
using UtteranceCompletionHandler = Function<void(const SpeechSynthesisUtterance&)>;
static Ref<SpeechSynthesisUtterance> create(ScriptExecutionContext&, const String&, UtteranceCompletionHandler&&);
static Ref<SpeechSynthesisUtterance> create(ScriptExecutionContext&, const String&);
// Create an empty default constructor so SpeechSynthesisEventInit compiles.
SpeechSynthesisUtterance();
virtual ~SpeechSynthesisUtterance();
const String& text() const { return m_platformUtterance->text(); }
void setText(const String& text) { m_platformUtterance->setText(text); }
const String& lang() const { return m_platformUtterance->lang(); }
void setLang(const String& lang) { m_platformUtterance->setLang(lang); }
SpeechSynthesisVoice* voice() const;
void setVoice(SpeechSynthesisVoice*);
float volume() const { return m_platformUtterance->volume(); }
void setVolume(float volume) { m_platformUtterance->setVolume(volume); }
float rate() const { return m_platformUtterance->rate(); }
void setRate(float rate) { m_platformUtterance->setRate(rate); }
float pitch() const { return m_platformUtterance->pitch(); }
void setPitch(float pitch) { m_platformUtterance->setPitch(pitch); }
MonotonicTime startTime() const { return m_platformUtterance->startTime(); }
void setStartTime(MonotonicTime startTime) { m_platformUtterance->setStartTime(startTime); }
using RefCounted::ref;
using RefCounted::deref;
PlatformSpeechSynthesisUtterance* platformUtterance() const { return m_platformUtterance.get(); }
void eventOccurred(const AtomString& type, unsigned long charIndex, unsigned long charLength, const String& name);
void errorEventOccurred(const AtomString& type, SpeechSynthesisErrorCode);
private:
SpeechSynthesisUtterance(ScriptExecutionContext&, const String&, UtteranceCompletionHandler&&);
ScriptExecutionContext* scriptExecutionContext() const final { return m_scriptExecutionContext.get(); }
EventTargetInterface eventTargetInterface() const final { return SpeechSynthesisUtteranceEventTargetInterfaceType; }
void refEventTarget() final { ref(); }
void derefEventTarget() final { deref(); }
RefPtr<PlatformSpeechSynthesisUtterance> m_platformUtterance;
RefPtr<SpeechSynthesisVoice> m_voice;
WeakPtr<ScriptExecutionContext> m_scriptExecutionContext;
UtteranceCompletionHandler m_completionHandler;
};
} // namespace WebCore
#endif // ENABLE(SPEECH_SYNTHESIS)
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