Source/modules/speech/DOMWindowSpeechSynthesis.cpp

/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * in the documentation and/or other materials provided with the
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 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#include "config.h"
#include "modules/speech/DOMWindowSpeechSynthesis.h"

#include "core/page/DOMWindow.h"
#include "wtf/PassRefPtr.h"

namespace WebCore {
    
DOMWindowSpeechSynthesis::DOMWindowSpeechSynthesis(DOMWindow* window)
    : DOMWindowProperty(window->frame())
{
}

DOMWindowSpeechSynthesis::~DOMWindowSpeechSynthesis()
{
}

const char* DOMWindowSpeechSynthesis::supplementName()
{
    return "DOMWindowSpeechSynthesis";
}

// static
DOMWindowSpeechSynthesis* DOMWindowSpeechSynthesis::from(DOMWindow* window)
{
    DOMWindowSpeechSynthesis* supplement = static_cast<DOMWindowSpeechSynthesis*>(Supplement<DOMWindow>::from(window, supplementName()));
    if (!supplement) {
        supplement = new DOMWindowSpeechSynthesis(window);
        provideTo(window, supplementName(), adoptPtr(supplement));
    }
    return supplement;
}

// static
SpeechSynthesis* DOMWindowSpeechSynthesis::speechSynthesis(DOMWindow* window)
{
    return DOMWindowSpeechSynthesis::from(window)->speechSynthesis();
}

SpeechSynthesis* DOMWindowSpeechSynthesis::speechSynthesis()
{
    if (!m_speechSynthesis && frame())
        m_speechSynthesis = SpeechSynthesis::create();
    return m_speechSynthesis.get();
}
    
} // namespace WebCore