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/*
* Copyright (C) 2007, 2008, 2009, 2010 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 COMPUTER, 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 COMPUTER, 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.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_MEDIA_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_MEDIA_H_
#include "base/check_op.h"
#include "third_party/blink/renderer/core/layout/layout_image.h"
namespace blink {
class HTMLMediaElement;
class LayoutMedia : public LayoutImage {
public:
explicit LayoutMedia(HTMLMediaElement*);
~LayoutMedia() override;
void Trace(Visitor*) const override;
LayoutObject* FirstChild() const {
NOT_DESTROYED();
DCHECK_EQ(Children(), VirtualChildren());
return Children()->FirstChild();
}
LayoutObject* LastChild() const {
NOT_DESTROYED();
DCHECK_EQ(Children(), VirtualChildren());
return Children()->LastChild();
}
// If you have a LayoutMedia, use firstChild or lastChild instead.
void SlowFirstChild() const = delete;
void SlowLastChild() const = delete;
const LayoutObjectChildList* Children() const {
NOT_DESTROYED();
return &children_;
}
LayoutObjectChildList* Children() {
NOT_DESTROYED();
return &children_;
}
HTMLMediaElement* MediaElement() const;
const char* GetName() const override {
NOT_DESTROYED();
return "LayoutMedia";
}
LayoutUnit ComputePanelWidth(const PhysicalRect& media_width) const;
protected:
bool IsMedia() const final {
NOT_DESTROYED();
return true;
}
private:
LayoutObjectChildList* VirtualChildren() final {
NOT_DESTROYED();
return Children();
}
const LayoutObjectChildList* VirtualChildren() const final {
NOT_DESTROYED();
return Children();
}
bool CanHaveChildren() const final {
NOT_DESTROYED();
return true;
}
bool IsChildAllowed(LayoutObject*, const ComputedStyle&) const final;
bool IsImage() const final {
NOT_DESTROYED();
return false;
}
void PaintReplaced(const PaintInfo&,
const PhysicalOffset& paint_offset) const override;
bool BackgroundShouldAlwaysBeClipped() const final {
NOT_DESTROYED();
return false;
}
RecalcScrollableOverflowResult RecalcScrollableOverflow() override;
LayoutObjectChildList children_;
};
template <>
struct DowncastTraits<LayoutMedia> {
static bool AllowFrom(const LayoutObject& object) { return object.IsMedia(); }
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_MEDIA_H_
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