OLD | NEW |
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 56 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
67 // Called by code walking the layout or layer trees. | 67 // Called by code walking the layout or layer trees. |
68 void pushMappingsToAncestor(const PaintLayer*, const PaintLayer* ancestorLay
er); | 68 void pushMappingsToAncestor(const PaintLayer*, const PaintLayer* ancestorLay
er); |
69 void popMappingsToAncestor(const PaintLayer*); | 69 void popMappingsToAncestor(const PaintLayer*); |
70 void pushMappingsToAncestor(const LayoutObject*, const LayoutBoxModelObject*
ancestorLayoutObject); | 70 void pushMappingsToAncestor(const LayoutObject*, const LayoutBoxModelObject*
ancestorLayoutObject); |
71 void popMappingsToAncestor(const LayoutBoxModelObject*); | 71 void popMappingsToAncestor(const LayoutBoxModelObject*); |
72 | 72 |
73 // The following methods should only be called by layoutObjects inside a cal
l to pushMappingsToAncestor(). | 73 // The following methods should only be called by layoutObjects inside a cal
l to pushMappingsToAncestor(). |
74 | 74 |
75 // Push geometry info between this layoutObject and some ancestor. The ances
tor must be its container() or some | 75 // Push geometry info between this layoutObject and some ancestor. The ances
tor must be its container() or some |
76 // stacking context between the layoutObject and its container. | 76 // stacking context between the layoutObject and its container. |
77 void push(const LayoutObject*, const LayoutSize&, bool accumulatingTransform
= false, bool isNonUniform = false, bool isFixedPosition = false, bool hasTrans
form = false, LayoutSize offsetForFixedPosition = LayoutSize()); | 77 void push(const LayoutObject*, const LayoutSize&, bool accumulatingTransform
= false, bool isNonUniform = false, bool isViewportConstrained = false, bool ha
sTransform = false, LayoutSize offsetForFixedPosition = LayoutSize()); |
78 void push(const LayoutObject*, const TransformationMatrix&, bool accumulatin
gTransform = false, bool isNonUniform = false, bool isFixedPosition = false, boo
l hasTransform = false, LayoutSize offsetForFixedPosition = LayoutSize()); | 78 void push(const LayoutObject*, const TransformationMatrix&, bool accumulatin
gTransform = false, bool isNonUniform = false, bool isViewportConstrained = fals
e, bool hasTransform = false, LayoutSize offsetForFixedPosition = LayoutSize()); |
79 | 79 |
80 private: | 80 private: |
81 void mapToContainer(TransformState&, const LayoutBoxModelObject* container =
nullptr) const; | 81 void mapToContainer(TransformState&, const LayoutBoxModelObject* container =
nullptr) const; |
82 | 82 |
83 void stepInserted(const LayoutGeometryMapStep&); | 83 void stepInserted(const LayoutGeometryMapStep&); |
84 void stepRemoved(const LayoutGeometryMapStep&); | 84 void stepRemoved(const LayoutGeometryMapStep&); |
85 | 85 |
86 bool hasNonUniformStep() const { return m_nonUniformStepsCount; } | 86 bool hasNonUniformStep() const { return m_nonUniformStepsCount; } |
87 bool hasTransformStep() const { return m_transformedStepsCount; } | 87 bool hasTransformStep() const { return m_transformedStepsCount; } |
88 bool hasFixedPositionStep() const { return m_fixedStepsCount; } | 88 bool hasViewportConstrainedStep() const { return m_viewportConstrainedStepsC
ount; } |
89 | 89 |
90 #ifndef NDEBUG | 90 #ifndef NDEBUG |
91 void dumpSteps() const; | 91 void dumpSteps() const; |
92 #endif | 92 #endif |
93 | 93 |
94 #if ENABLE(ASSERT) | 94 #if ENABLE(ASSERT) |
95 bool isTopmostLayoutView(const LayoutObject*) const; | 95 bool isTopmostLayoutView(const LayoutObject*) const; |
96 #endif | 96 #endif |
97 | 97 |
98 typedef Vector<LayoutGeometryMapStep, 32> LayoutGeometryMapSteps; | 98 typedef Vector<LayoutGeometryMapStep, 32> LayoutGeometryMapSteps; |
99 | 99 |
100 size_t m_insertionPosition; | 100 size_t m_insertionPosition; |
101 int m_nonUniformStepsCount; | 101 int m_nonUniformStepsCount; |
102 int m_transformedStepsCount; | 102 int m_transformedStepsCount; |
103 int m_fixedStepsCount; | 103 int m_viewportConstrainedStepsCount; |
104 LayoutGeometryMapSteps m_mapping; | 104 LayoutGeometryMapSteps m_mapping; |
105 LayoutSize m_accumulatedOffset; | 105 LayoutSize m_accumulatedOffset; |
106 MapCoordinatesFlags m_mapCoordinatesFlags; | 106 MapCoordinatesFlags m_mapCoordinatesFlags; |
107 }; | 107 }; |
108 | 108 |
109 } // namespace blink | 109 } // namespace blink |
110 | 110 |
111 #endif // LayoutGeometryMap_h | 111 #endif // LayoutGeometryMap_h |
OLD | NEW |