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295f920116
I wrote a script to do this which is attached to the bug. TBR=abarth@chromium.org BUG=435361 Review URL: https://codereview.chromium.org/736373003
43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef SKY_ENGINE_CORE_RENDERING_COMPOSITING_COMPOSITINGREASONFINDER_H_
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#define SKY_ENGINE_CORE_RENDERING_COMPOSITING_COMPOSITINGREASONFINDER_H_
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#include "sky/engine/core/rendering/RenderLayer.h"
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#include "sky/engine/core/rendering/compositing/CompositingTriggers.h"
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#include "sky/engine/platform/graphics/CompositingReasons.h"
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namespace blink {
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class RenderObject;
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class RenderView;
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class CompositingReasonFinder {
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WTF_MAKE_NONCOPYABLE(CompositingReasonFinder);
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public:
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explicit CompositingReasonFinder(RenderView&);
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CompositingReasons potentialCompositingReasonsFromStyle(RenderObject*) const;
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CompositingReasons directReasons(const RenderLayer*) const;
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void updateTriggers();
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bool hasOverflowScrollTrigger() const;
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bool requiresCompositingForScrollableFrame() const;
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private:
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CompositingReasons nonStyleDeterminedDirectReasons(const RenderLayer*) const;
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bool requiresCompositingForTransform(RenderObject*) const;
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bool requiresCompositingForAnimation(RenderStyle*) const;
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RenderView& m_renderView;
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CompositingTriggerFlags m_compositingTriggers;
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_RENDERING_COMPOSITING_COMPOSITINGREASONFINDER_H_
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