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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CompositingInputsUpdater_h
#define CompositingInputsUpdater_h
#include "core/rendering/RenderGeometryMap.h"
namespace WebCore {
class RenderLayer;
class CompositingInputsUpdater {
private:
struct AncestorInfo {
AncestorInfo()
: enclosingCompositedLayer(0)
, ancestorScrollingLayer(0)
{
}
RenderLayer* enclosingCompositedLayer;
RenderLayer* ancestorScrollingLayer;
};
public:
explicit CompositingInputsUpdater(RenderLayer* rootRenderLayer);
~CompositingInputsUpdater();
enum UpdateType {
DoNotForceUpdate,
ForceUpdate,
};
void update(RenderLayer*, UpdateType = DoNotForceUpdate, AncestorInfo = AncestorInfo());
#if ASSERT_ENABLED
static void assertNeedsCompositingInputsUpdateBitsCleared(RenderLayer*);
#endif
private:
RenderGeometryMap m_geometryMap;
RenderLayer* m_rootRenderLayer;
};
} // namespace WebCore
#endif // CompositingInputsUpdater_h
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