Source/WebCore/css/DOMCSSPaintWorklet.cpp

/*
 * Copyright (C) 2018 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
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#include "config.h"
#include "DOMCSSPaintWorklet.h"

#if ENABLE(CSS_PAINTING_API)

#include "DOMCSSNamespace.h"
#include "Document.h"
#include "Worklet.h"

#include <wtf/text/WTFString.h>

namespace WebCore {

Worklet& DOMCSSPaintWorklet::ensurePaintWorklet(Document& document)
{
    return document.ensurePaintWorklet();
}

DOMCSSPaintWorklet* DOMCSSPaintWorklet::from(DOMCSSNamespace& css)
{
    auto* supplement = static_cast<DOMCSSPaintWorklet*>(Supplement<DOMCSSNamespace>::from(&css, supplementName()));
    if (!supplement) {
        auto newSupplement = makeUnique<DOMCSSPaintWorklet>(css);
        supplement = newSupplement.get();
        provideTo(&css, supplementName(), WTFMove(newSupplement));
    }
    return supplement;
}

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

}
#endif