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

Issue 1537133002: Renaming: distinguish ancestor, container and paintInvalidationContainer (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@SelectionInvalidation
Patch Set: Created 5 years ago
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1 /* 1 /*
2 * Copyright (C) 2012 Apple Inc. All rights reserved. 2 * Copyright (C) 2012 Apple Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions 5 * modification, are permitted provided that the following conditions
6 * are met: 6 * are met:
7 * 1. Redistributions of source code must retain the above copyright 7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer. 8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright 9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the 10 * notice, this list of conditions and the following disclaimer in the
(...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after
48 DISALLOW_NEW(); 48 DISALLOW_NEW();
49 WTF_MAKE_NONCOPYABLE(LayoutGeometryMap); 49 WTF_MAKE_NONCOPYABLE(LayoutGeometryMap);
50 public: 50 public:
51 LayoutGeometryMap(MapCoordinatesFlags = UseTransforms); 51 LayoutGeometryMap(MapCoordinatesFlags = UseTransforms);
52 ~LayoutGeometryMap(); 52 ~LayoutGeometryMap();
53 53
54 MapCoordinatesFlags mapCoordinatesFlags() const { return m_mapCoordinatesFla gs; } 54 MapCoordinatesFlags mapCoordinatesFlags() const { return m_mapCoordinatesFla gs; }
55 55
56 FloatRect absoluteRect(const FloatRect& rect) const 56 FloatRect absoluteRect(const FloatRect& rect) const
57 { 57 {
58 return mapToContainer(rect, 0).boundingBox(); 58 return mapToAncestor(rect, 0).boundingBox();
59 } 59 }
60 60
61 // Map to a container. Will assert that the container has been pushed onto t his map. 61 // Map to an ancestor. Will assert that the ancestor has been pushed onto th is map.
62 // A null container maps through the LayoutView (including its scale transfo rm, if any). 62 // A null ancestor maps through the LayoutView (including its scale transfor m, if any).
63 // If the container is the LayoutView, the scroll offset is applied, but not the scale. 63 // If the ancestor is the LayoutView, the scroll offset is applied, but not the scale.
64 FloatQuad mapToContainer(const FloatRect&, const LayoutBoxModelObject*) cons t; 64 FloatQuad mapToAncestor(const FloatRect&, const LayoutBoxModelObject*) const ;
65 65
66 // Called by code walking the layout or layer trees. 66 // Called by code walking the layout or layer trees.
67 void pushMappingsToAncestor(const PaintLayer*, const PaintLayer* ancestorLay er); 67 void pushMappingsToAncestor(const PaintLayer*, const PaintLayer* ancestorLay er);
68 void popMappingsToAncestor(const PaintLayer*); 68 void popMappingsToAncestor(const PaintLayer*);
69 void pushMappingsToAncestor(const LayoutObject*, const LayoutBoxModelObject* ancestorLayoutObject); 69 void pushMappingsToAncestor(const LayoutObject*, const LayoutBoxModelObject* ancestorLayoutObject);
70 70
71 // The following methods should only be called by layoutObjects inside a cal l to pushMappingsToAncestor(). 71 // The following methods should only be called by layoutObjects inside a cal l to pushMappingsToAncestor().
72 72
73 // Push geometry info between this layoutObject and some ancestor. The ances tor must be its container() or some 73 // Push geometry info between this layoutObject and some ancestor. The ances tor must be its container() or some
74 // stacking context between the layoutObject and its container. 74 // stacking context between the layoutObject and its container.
75 void push(const LayoutObject*, const LayoutSize&, bool accumulatingTransform = false, bool isNonUniform = false, bool isFixedPosition = false, bool hasTrans form = false, LayoutSize offsetForFixedPosition = LayoutSize()); 75 void push(const LayoutObject*, const LayoutSize&, bool accumulatingTransform = false, bool isNonUniform = false, bool isFixedPosition = false, bool hasTrans form = false, LayoutSize offsetForFixedPosition = LayoutSize());
76 void push(const LayoutObject*, const TransformationMatrix&, bool accumulatin gTransform = false, bool isNonUniform = false, bool isFixedPosition = false, boo l hasTransform = false, LayoutSize offsetForFixedPosition = LayoutSize()); 76 void push(const LayoutObject*, const TransformationMatrix&, bool accumulatin gTransform = false, bool isNonUniform = false, bool isFixedPosition = false, boo l hasTransform = false, LayoutSize offsetForFixedPosition = LayoutSize());
77 77
78 private: 78 private:
79 void popMappingsToAncestor(const LayoutBoxModelObject*); 79 void popMappingsToAncestor(const LayoutBoxModelObject*);
80 void mapToContainer(TransformState&, const LayoutBoxModelObject* container = nullptr) const; 80 void mapToAncestor(TransformState&, const LayoutBoxModelObject* ancestor = n ullptr) const;
81 81
82 void stepInserted(const LayoutGeometryMapStep&); 82 void stepInserted(const LayoutGeometryMapStep&);
83 void stepRemoved(const LayoutGeometryMapStep&); 83 void stepRemoved(const LayoutGeometryMapStep&);
84 84
85 bool hasNonUniformStep() const { return m_nonUniformStepsCount; } 85 bool hasNonUniformStep() const { return m_nonUniformStepsCount; }
86 bool hasTransformStep() const { return m_transformedStepsCount; } 86 bool hasTransformStep() const { return m_transformedStepsCount; }
87 bool hasFixedPositionStep() const { return m_fixedStepsCount; } 87 bool hasFixedPositionStep() const { return m_fixedStepsCount; }
88 88
89 #ifndef NDEBUG 89 #ifndef NDEBUG
90 void dumpSteps() const; 90 void dumpSteps() const;
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101 int m_transformedStepsCount; 101 int m_transformedStepsCount;
102 int m_fixedStepsCount; 102 int m_fixedStepsCount;
103 LayoutGeometryMapSteps m_mapping; 103 LayoutGeometryMapSteps m_mapping;
104 LayoutSize m_accumulatedOffset; 104 LayoutSize m_accumulatedOffset;
105 MapCoordinatesFlags m_mapCoordinatesFlags; 105 MapCoordinatesFlags m_mapCoordinatesFlags;
106 }; 106 };
107 107
108 } // namespace blink 108 } // namespace blink
109 109
110 #endif // LayoutGeometryMap_h 110 #endif // LayoutGeometryMap_h
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