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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 StickyPositionScrollingConstraints_h | 5 #ifndef StickyPositionScrollingConstraints_h |
6 #define StickyPositionScrollingConstraints_h | 6 #define StickyPositionScrollingConstraints_h |
7 | 7 |
8 #include "platform/geometry/FloatRect.h" | 8 #include "platform/geometry/FloatRect.h" |
9 #include "platform/geometry/FloatSize.h" | 9 #include "platform/geometry/FloatSize.h" |
10 | 10 |
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106 return m_nearestStickyBoxShiftingContainingBlock; | 106 return m_nearestStickyBoxShiftingContainingBlock; |
107 } | 107 } |
108 | 108 |
109 const FloatSize& getTotalStickyBoxStickyOffset() const { | 109 const FloatSize& getTotalStickyBoxStickyOffset() const { |
110 return m_totalStickyBoxStickyOffset; | 110 return m_totalStickyBoxStickyOffset; |
111 } | 111 } |
112 const FloatSize& getTotalContainingBlockStickyOffset() const { | 112 const FloatSize& getTotalContainingBlockStickyOffset() const { |
113 return m_totalContainingBlockStickyOffset; | 113 return m_totalContainingBlockStickyOffset; |
114 } | 114 } |
115 | 115 |
116 const LayoutBoxModelObject* nearestStickyAncestor() const { | |
117 return m_nearestStickyBoxShiftingStickyBox | |
chrishtr
2017/03/20 17:24:52
It's not obvious to me why this is correct. Could
smcgruer
2017/03/21 13:54:54
Done.
| |
118 ? m_nearestStickyBoxShiftingStickyBox | |
119 : m_nearestStickyBoxShiftingContainingBlock; | |
120 } | |
121 | |
116 bool operator==(const StickyPositionScrollingConstraints& other) const { | 122 bool operator==(const StickyPositionScrollingConstraints& other) const { |
117 return m_leftOffset == other.m_leftOffset && | 123 return m_leftOffset == other.m_leftOffset && |
118 m_rightOffset == other.m_rightOffset && | 124 m_rightOffset == other.m_rightOffset && |
119 m_topOffset == other.m_topOffset && | 125 m_topOffset == other.m_topOffset && |
120 m_bottomOffset == other.m_bottomOffset && | 126 m_bottomOffset == other.m_bottomOffset && |
121 m_scrollContainerRelativeContainingBlockRect == | 127 m_scrollContainerRelativeContainingBlockRect == |
122 other.m_scrollContainerRelativeContainingBlockRect && | 128 other.m_scrollContainerRelativeContainingBlockRect && |
123 m_scrollContainerRelativeStickyBoxRect == | 129 m_scrollContainerRelativeStickyBoxRect == |
124 other.m_scrollContainerRelativeStickyBoxRect && | 130 other.m_scrollContainerRelativeStickyBoxRect && |
125 m_nearestStickyBoxShiftingStickyBox == | 131 m_nearestStickyBoxShiftingStickyBox == |
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161 // constraining block constriant rect for different sticky descendants is | 167 // constraining block constriant rect for different sticky descendants is |
162 // quite complex. See the StickyPositionComplexTableNesting test in | 168 // quite complex. See the StickyPositionComplexTableNesting test in |
163 // LayoutBoxModelObjectTest.cpp. | 169 // LayoutBoxModelObjectTest.cpp. |
164 FloatSize m_totalStickyBoxStickyOffset; | 170 FloatSize m_totalStickyBoxStickyOffset; |
165 FloatSize m_totalContainingBlockStickyOffset; | 171 FloatSize m_totalContainingBlockStickyOffset; |
166 }; | 172 }; |
167 | 173 |
168 } // namespace blink | 174 } // namespace blink |
169 | 175 |
170 #endif // StickyPositionScrollingConstraints_h | 176 #endif // StickyPositionScrollingConstraints_h |
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