Source/WebCore/rendering/RenderHTMLCanvas.h

/*
 * Copyright (C) 2004, 2006, 2007, 2009 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

#include "RenderReplaced.h"

namespace WebCore {

class HTMLCanvasElement;

class RenderHTMLCanvas final : public RenderReplaced {
    WTF_MAKE_ISO_ALLOCATED(RenderHTMLCanvas);
public:
    RenderHTMLCanvas(HTMLCanvasElement&, RenderStyle&&);

    HTMLCanvasElement& canvasElement() const;

    void canvasSizeChanged();

private:
    void element() const = delete;
    bool requiresLayer() const override;
    bool isCanvas() const override { return true; }
    ASCIILiteral renderName() const override { return "RenderHTMLCanvas"_s; }
    void paintReplaced(PaintInfo&, const LayoutPoint&) override;
    void intrinsicSizeChanged() override { canvasSizeChanged(); }
};

} // namespace WebCore

SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderHTMLCanvas, isCanvas())