sky/engine/core/rendering/compositing/CompositingReasonFinder.h - Issue 758843004: Delete most of rendering/compositing.

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Side by Side Diff: sky/engine/core/rendering/compositing/CompositingReasonFinder.h

Issue 758843004: Delete most of rendering/compositing. (Closed) Base URL: git@github.com:domokit/mojo.git@master

Patch Set: Created 6 years ago

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1 // Copyright 2014 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #ifndef SKY_ENGINE_CORE_RENDERING_COMPOSITING_COMPOSITINGREASONFINDER_H_

6 #define SKY_ENGINE_CORE_RENDERING_COMPOSITING_COMPOSITINGREASONFINDER_H_

7

8 #include "sky/engine/core/rendering/RenderLayer.h"

9 #include "sky/engine/core/rendering/compositing/CompositingTriggers.h"

10 #include "sky/engine/platform/graphics/CompositingReasons.h"

11

12 namespace blink {

13

14 class RenderObject;

15 class RenderView;

16

17 class CompositingReasonFinder {

18 WTF_MAKE_NONCOPYABLE(CompositingReasonFinder);

19 public:

20 explicit CompositingReasonFinder(RenderView&);

21

22 CompositingReasons potentialCompositingReasonsFromStyle(RenderObject*) const ;

23 CompositingReasons directReasons(const RenderLayer*) const;

24

25 void updateTriggers();

26

27 bool hasOverflowScrollTrigger() const;

28 bool requiresCompositingForScrollableFrame() const;

29

30 private:

31 CompositingReasons nonStyleDeterminedDirectReasons(const RenderLayer*) const ;

32

33 bool requiresCompositingForTransform(RenderObject*) const;

34 bool requiresCompositingForAnimation(RenderStyle*) const;

35

36 RenderView& m_renderView;

37 CompositingTriggerFlags m_compositingTriggers;

38 };

39

40 } // namespace blink

41

42 #endif // SKY_ENGINE_CORE_RENDERING_COMPOSITING_COMPOSITINGREASONFINDER_H_

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