third_party/WebKit/Source/core/layout/compositing/CompositingReasonFinder.h - Issue 2251303003: Implement position: sticky updates on compositor

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Side by Side Diff: third_party/WebKit/Source/core/layout/compositing/CompositingReasonFinder.h

Issue 2251303003: Implement position: sticky updates on compositor (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Merge with master and add comments to WebLayerStickyPositionConstraint members. Created 4 years, 2 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/layout/compositing/CompositingTriggers.h"	8 #include "core/layout/compositing/CompositingTriggers.h"

9 #include "platform/graphics/CompositingReasons.h"	9 #include "platform/graphics/CompositingReasons.h"

10 #include "wtf/Allocator.h"	10 #include "wtf/Allocator.h"

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31 bool hasOverflowScrollTrigger() const;	31 bool hasOverflowScrollTrigger() const;

32 bool requiresCompositingForScrollableFrame() const;	32 bool requiresCompositingForScrollableFrame() const;

33 bool requiresCompositingForAnimation(const ComputedStyle&) const;	33 bool requiresCompositingForAnimation(const ComputedStyle&) const;

34	34

35 private:	35 private:

36 bool isMainFrame() const;	36 bool isMainFrame() const;

37	37

38 CompositingReasons nonStyleDeterminedDirectReasons(const PaintLayer*) const;	38 CompositingReasons nonStyleDeterminedDirectReasons(const PaintLayer*) const;

39	39

40 bool requiresCompositingForTransform(LayoutObject*) const;	40 bool requiresCompositingForTransform(LayoutObject*) const;

41 bool requiresCompositingForPositionFixed(const PaintLayer*) const;	41 bool requiresCompositingForScrollDependentPosition(const PaintLayer*) const;

42	42

43 LayoutView& m_layoutView;	43 LayoutView& m_layoutView;

44 CompositingTriggerFlags m_compositingTriggers;	44 CompositingTriggerFlags m_compositingTriggers;

45 };	45 };

46	46

47 } // namespace blink	47 } // namespace blink

48	48

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

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