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/*
* 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 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 LayoutHTMLCanvas_h
#define LayoutHTMLCanvas_h
#include "core/layout/LayoutReplaced.h"
namespace blink {
class HTMLCanvasElement;
class LayoutHTMLCanvas final : public LayoutReplaced {
public:
explicit LayoutHTMLCanvas(HTMLCanvasElement*);
bool IsOfType(LayoutObjectType type) const override {
return type == kLayoutObjectCanvas || LayoutReplaced::IsOfType(type);
}
PaintLayerType LayerTypeRequired() const override;
PaintInvalidationReason InvalidatePaint(
const PaintInvalidatorContext&) const final;
void CanvasSizeChanged();
void StyleDidChange(StyleDifference, const ComputedStyle* old_style) override;
const char* GetName() const override { return "LayoutHTMLCanvas"; }
private:
void PaintReplaced(const PaintInfo&, const LayoutPoint&) const override;
void IntrinsicSizeChanged() override { CanvasSizeChanged(); }
CompositingReasons AdditionalCompositingReasons() const override;
};
DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutHTMLCanvas, IsCanvas());
} // namespace blink
#endif // LayoutHTMLCanvas_h