Source/WebCore/html/shadow/ProgressShadowElement.h

/*
 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 * Copyright (C) 2010 Google Inc. All rights reserved.
 *
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 * modification, are permitted provided that the following conditions are
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 * notice, this list of conditions and the following disclaimer.
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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
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 */

#pragma once

#include "HTMLDivElement.h"
#include <wtf/Forward.h>

namespace WebCore {

class HTMLProgressElement;

class ProgressShadowElement : public HTMLDivElement {
    WTF_MAKE_ISO_ALLOCATED(ProgressShadowElement);
public:
    HTMLProgressElement* progressElement() const;

protected:
    ProgressShadowElement(Document&);

private:
    bool rendererIsNeeded(const RenderStyle&) override;
};

// The subclasses of ProgressShadowElement share the same isoheap, because they don't add any more
// fields to the class.

class ProgressInnerElement final : public ProgressShadowElement {
public:
    static Ref<ProgressInnerElement> create(Document&);

private:
    ProgressInnerElement(Document&);

    RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override;
    bool rendererIsNeeded(const RenderStyle&) override;
};
static_assert(sizeof(ProgressInnerElement) == sizeof(ProgressShadowElement));

class ProgressBarElement final : public ProgressShadowElement {
public:
    static Ref<ProgressBarElement> create(Document&);

private:
    ProgressBarElement(Document&);
};
static_assert(sizeof(ProgressBarElement) == sizeof(ProgressShadowElement));

class ProgressValueElement final : public ProgressShadowElement {
public:
    static Ref<ProgressValueElement> create(Document&);
    void setWidthPercentage(double);

private:
    ProgressValueElement(Document&);
};
static_assert(sizeof(ProgressValueElement) == sizeof(ProgressShadowElement));

} // namespace WebCore