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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.
*/
#include "config.h"
#include "SpeechSynthesisUtterance.h"
#include "EventNames.h"
#include "SpeechSynthesisErrorEvent.h"
#include "SpeechSynthesisEvent.h"
#if ENABLE(SPEECH_SYNTHESIS)
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SpeechSynthesisUtterance);
Ref<SpeechSynthesisUtterance> SpeechSynthesisUtterance::create(ScriptExecutionContext& context, const String& text)
{
return adoptRef(*new SpeechSynthesisUtterance(context, text, { }));
}
Ref<SpeechSynthesisUtterance> SpeechSynthesisUtterance::create(ScriptExecutionContext& context, const String& text, SpeechSynthesisUtterance::UtteranceCompletionHandler&& completion)
{
return adoptRef(*new SpeechSynthesisUtterance(context, text, WTFMove(completion)));
}
SpeechSynthesisUtterance::SpeechSynthesisUtterance(ScriptExecutionContext& context, const String& text, UtteranceCompletionHandler&& completion)
: m_platformUtterance(PlatformSpeechSynthesisUtterance::create(*this))
, m_scriptExecutionContext(context)
, m_completionHandler(WTFMove(completion))
{
m_platformUtterance->setText(text);
}
SpeechSynthesisUtterance::~SpeechSynthesisUtterance()
{
m_platformUtterance->setClient(nullptr);
}
SpeechSynthesisVoice* SpeechSynthesisUtterance::voice() const
{
return m_voice.get();
}
void SpeechSynthesisUtterance::setVoice(SpeechSynthesisVoice* voice)
{
if (!voice)
return;
// Cache our own version of the SpeechSynthesisVoice so that we don't have to do some lookup
// to go from the platform voice back to the speech synthesis voice in the read property.
m_voice = voice;
if (voice)
m_platformUtterance->setVoice(voice->platformVoice());
}
void SpeechSynthesisUtterance::eventOccurred(const AtomString& type, unsigned long charIndex, unsigned long charLength, const String& name)
{
if (m_completionHandler) {
if (type == eventNames().endEvent)
m_completionHandler(*this);
return;
}
dispatchEvent(SpeechSynthesisEvent::create(type, { this, charIndex, charLength, static_cast<float>((MonotonicTime::now() - startTime()).seconds()), name }));
}
void SpeechSynthesisUtterance::errorEventOccurred(const AtomString& type, SpeechSynthesisErrorCode errorCode)
{
if (m_completionHandler) {
m_completionHandler(*this);
return;
}
dispatchEvent(SpeechSynthesisErrorEvent::create(type, { { this, 0, 0, static_cast<float>((MonotonicTime::now() - startTime()).seconds()), { } }, errorCode }));
}
} // namespace WebCore
#endif // ENABLE(SPEECH_SYNTHESIS)
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