Source/core/rendering/compositing/CompositingReasonFinder.h - Issue 328263002: Remove support for CompositingReasonPositionSticky

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Issue 328263002: Remove support for CompositingReasonPositionSticky (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 6 years, 6 months ago

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1 // Copyright 2014 The Chromium Authors. All rights reserved.	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	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #ifndef CompositingReasonFinder_h	5 #ifndef CompositingReasonFinder_h

6 #define CompositingReasonFinder_h	6 #define CompositingReasonFinder_h

7	7

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

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

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

11	11

12 namespace WebCore {	12 namespace WebCore {

13	13

14 class RenderObject;	14 class RenderObject;

15 class RenderView;	15 class RenderView;

16	16

17 class CompositingReasonFinder {	17 class CompositingReasonFinder {

18 WTF_MAKE_NONCOPYABLE(CompositingReasonFinder);	18 WTF_MAKE_NONCOPYABLE(CompositingReasonFinder);

19 public:	19 public:

20 explicit CompositingReasonFinder(RenderView&);	20 explicit CompositingReasonFinder(RenderView&);

21	21

22 CompositingReasons styleDeterminedReasons(RenderObject*) const;	22 CompositingReasons styleDeterminedReasons(RenderObject*) const;

23 CompositingReasons directReasons(const RenderLayer*) const;	23 CompositingReasons directReasons(const RenderLayer*) const;

24	24

25 void updateTriggers();	25 void updateTriggers();

26	26

27 bool hasOverflowScrollTrigger() const;	27 bool hasOverflowScrollTrigger() const;

28	28

29 bool requiresCompositingForScrollableFrame() const;	29 bool requiresCompositingForScrollableFrame() const;

30 bool requiresCompositingForPosition(RenderObject, const RenderLayer, Rende rLayer::ViewportConstrainedNotCompositedReason*) const;	30 bool requiresCompositingForPositionFixed(RenderObject, const RenderLayer, RenderLayer::ViewportConstrainedNotCompositedReason*) const;

31	31

32 private:	32 private:

33 bool isMainFrame() const;	33 bool isMainFrame() const;

34	34

35 CompositingReasons nonStyleDeterminedDirectReasons(const RenderLayer*) const ;	35 CompositingReasons nonStyleDeterminedDirectReasons(const RenderLayer*) const ;

36	36

37 bool requiresCompositingForTransform(RenderObject*) const;	37 bool requiresCompositingForTransform(RenderObject*) const;

38 bool requiresCompositingForFilters(RenderObject*) const;	38 bool requiresCompositingForFilters(RenderObject*) const;

39 bool requiresCompositingForAnimation(RenderStyle*) const;	39 bool requiresCompositingForAnimation(RenderStyle*) const;

40 bool requiresCompositingForPositionSticky(RenderObject, const RenderLayer) const;

41 bool requiresCompositingForPositionFixed(RenderObject, const RenderLayer, RenderLayer::ViewportConstrainedNotCompositedReason*) const;

42	40

43 RenderView& m_renderView;	41 RenderView& m_renderView;

44 CompositingTriggerFlags m_compositingTriggers;	42 CompositingTriggerFlags m_compositingTriggers;

45 };	43 };

46	44

47 } // namespace WebCore	45 } // namespace WebCore

48	46

49 #endif // CompositingReasonFinder_h	47 #endif // CompositingReasonFinder_h

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