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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 LayoutMedia_h
#define LayoutMedia_h
#include "core/layout/LayoutImage.h"
namespace blink {
class HTMLMediaElement;
class LayoutMedia : public LayoutImage {
public:
explicit LayoutMedia(HTMLMediaElement*);
~LayoutMedia() override;
LayoutObject* firstChild() const {
ASSERT(children() == virtualChildren());
return children()->firstChild();
}
LayoutObject* lastChild() const {
ASSERT(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 { return &m_children; }
LayoutObjectChildList* children() { return &m_children; }
HTMLMediaElement* mediaElement() const;
const char* name() const override { return "LayoutMedia"; }
protected:
void layout() override;
bool isOfType(LayoutObjectType type) const override {
return type == LayoutObjectMedia || LayoutImage::isOfType(type);
}
private:
LayoutObjectChildList* virtualChildren() final { return children(); }
const LayoutObjectChildList* virtualChildren() const final {
return children();
}
PaintLayerType layerTypeRequired() const override { return NormalPaintLayer; }
bool canHaveChildren() const final { return true; }
bool isChildAllowed(LayoutObject*, const ComputedStyle&) const final;
bool isImage() const final { return false; }
void paintReplaced(const PaintInfo&, const LayoutPoint&) const override;
bool backgroundShouldAlwaysBeClipped() const final { return false; }
LayoutUnit computePanelWidth(const LayoutRect& mediaWidth) const;
Optional<LayoutUnit> m_lastReportedPanelWidth;
LayoutObjectChildList m_children;
};
DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutMedia, isMedia());
} // namespace blink
#endif // LayoutMedia_h
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