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Side by Side Diff: Source/core/rendering/RenderLayerClipper.h

Issue 143323014: *** DO NOT LAND *** Attempt to understand Regions complexity Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 11 months ago
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1 /* 1 /*
2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved. 2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
3 * Copyright (C) 2013 Intel Corporation. All rights reserved. 3 * Copyright (C) 2013 Intel Corporation. All rights reserved.
4 * 4 *
5 * Portions are Copyright (C) 1998 Netscape Communications Corporation. 5 * Portions are Copyright (C) 1998 Netscape Communications Corporation.
6 * 6 *
7 * Other contributors: 7 * Other contributors:
8 * Robert O'Callahan <roc+@cs.cmu.edu> 8 * Robert O'Callahan <roc+@cs.cmu.edu>
9 * David Baron <dbaron@fas.harvard.edu> 9 * David Baron <dbaron@fas.harvard.edu>
10 * Christian Biesinger <cbiesinger@web.de> 10 * Christian Biesinger <cbiesinger@web.de>
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44 44
45 #ifndef RenderLayerClipper_h 45 #ifndef RenderLayerClipper_h
46 #define RenderLayerClipper_h 46 #define RenderLayerClipper_h
47 47
48 #include "core/rendering/ClipRect.h" 48 #include "core/rendering/ClipRect.h"
49 #include "core/rendering/RenderBox.h" // For OverlayScrollbarSizeRelevancy. 49 #include "core/rendering/RenderBox.h" // For OverlayScrollbarSizeRelevancy.
50 50
51 namespace WebCore { 51 namespace WebCore {
52 52
53 class RenderLayer; 53 class RenderLayer;
54 class RenderRegion;
55 54
56 struct ClipRectsContext { 55 struct ClipRectsContext {
57 ClipRectsContext(const RenderLayer* inRootLayer, RenderRegion* inRegion, Cli pRectsType inClipRectsType, OverlayScrollbarSizeRelevancy inOverlayScrollbarSize Relevancy = IgnoreOverlayScrollbarSize, ShouldRespectOverflowClip inRespectOverf lowClip = RespectOverflowClip, const LayoutSize& inSubPixelAccumulation = Layout Size()) 56 ClipRectsContext(const RenderLayer* inRootLayer, ClipRectsType inClipRectsTy pe, OverlayScrollbarSizeRelevancy inOverlayScrollbarSizeRelevancy = IgnoreOverla yScrollbarSize, ShouldRespectOverflowClip inRespectOverflowClip = RespectOverflo wClip, const LayoutSize& inSubPixelAccumulation = LayoutSize())
58 : rootLayer(inRootLayer) 57 : rootLayer(inRootLayer)
59 , region(inRegion)
60 , clipRectsType(inClipRectsType) 58 , clipRectsType(inClipRectsType)
61 , overlayScrollbarSizeRelevancy(inOverlayScrollbarSizeRelevancy) 59 , overlayScrollbarSizeRelevancy(inOverlayScrollbarSizeRelevancy)
62 , respectOverflowClip(inRespectOverflowClip) 60 , respectOverflowClip(inRespectOverflowClip)
63 , subPixelAccumulation(inSubPixelAccumulation) 61 , subPixelAccumulation(inSubPixelAccumulation)
64 { } 62 { }
65 const RenderLayer* rootLayer; 63 const RenderLayer* rootLayer;
66 RenderRegion* region;
67 ClipRectsType clipRectsType; 64 ClipRectsType clipRectsType;
68 OverlayScrollbarSizeRelevancy overlayScrollbarSizeRelevancy; 65 OverlayScrollbarSizeRelevancy overlayScrollbarSizeRelevancy;
69 ShouldRespectOverflowClip respectOverflowClip; 66 ShouldRespectOverflowClip respectOverflowClip;
70 const LayoutSize& subPixelAccumulation; 67 const LayoutSize& subPixelAccumulation;
71 }; 68 };
72 69
73 class RenderLayerClipper { 70 class RenderLayerClipper {
74 WTF_MAKE_NONCOPYABLE(RenderLayerClipper); 71 WTF_MAKE_NONCOPYABLE(RenderLayerClipper);
75 public: 72 public:
76 RenderLayerClipper(RenderLayerModelObject* renderer) 73 RenderLayerClipper(RenderLayerModelObject* renderer)
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114 111
115 // FIXME: Could this be a RenderBox? 112 // FIXME: Could this be a RenderBox?
116 RenderLayerModelObject* m_renderer; 113 RenderLayerModelObject* m_renderer;
117 114
118 OwnPtr<ClipRectsCache> m_clipRectsCache; 115 OwnPtr<ClipRectsCache> m_clipRectsCache;
119 }; 116 };
120 117
121 } // namespace WebCore 118 } // namespace WebCore
122 119
123 #endif // RenderLayerClipper_h 120 #endif // RenderLayerClipper_h
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