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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 NGBlockNode_h | 5 #ifndef NGBlockNode_h |
6 #define NGBlockNode_h | 6 #define NGBlockNode_h |
7 | 7 |
8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
9 #include "core/layout/LayoutBox.h" | 9 #include "core/layout/LayoutBox.h" |
10 #include "core/layout/ng/ng_layout_input_node.h" | 10 #include "core/layout/ng/ng_layout_input_node.h" |
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53 // Runs layout on layout_box_ and creates a fragment for the resulting | 53 // Runs layout on layout_box_ and creates a fragment for the resulting |
54 // geometry. | 54 // geometry. |
55 RefPtr<NGLayoutResult> RunOldLayout(const NGConstraintSpace&); | 55 RefPtr<NGLayoutResult> RunOldLayout(const NGConstraintSpace&); |
56 | 56 |
57 // Called if this is an out-of-flow block which needs to be | 57 // Called if this is an out-of-flow block which needs to be |
58 // positioned with legacy layout. | 58 // positioned with legacy layout. |
59 void UseOldOutOfFlowPositioning(); | 59 void UseOldOutOfFlowPositioning(); |
60 | 60 |
61 // Save static position for legacy AbsPos layout. | 61 // Save static position for legacy AbsPos layout. |
62 void SaveStaticOffsetForLegacy(const NGLogicalOffset&); | 62 void SaveStaticOffsetForLegacy(const NGLogicalOffset&); |
63 private: | |
64 | 63 |
65 bool CanUseNewLayout(); | 64 bool CanUseNewLayout(); |
66 | 65 |
| 66 private: |
67 // After we run the layout algorithm, this function copies back the geometry | 67 // After we run the layout algorithm, this function copies back the geometry |
68 // data to the layout box. | 68 // data to the layout box. |
69 void CopyFragmentDataToLayoutBox(const NGConstraintSpace&, NGLayoutResult*); | 69 void CopyFragmentDataToLayoutBox(const NGConstraintSpace&, NGLayoutResult*); |
70 | 70 |
71 // We can either wrap a layout_box_ or a next_sibling_/first_child_ | 71 // We can either wrap a layout_box_ or a next_sibling_/first_child_ |
72 // combination. | 72 // combination. |
73 LayoutBox* layout_box_; | 73 LayoutBox* layout_box_; |
74 Member<NGLayoutInputNode> next_sibling_; | 74 Member<NGLayoutInputNode> next_sibling_; |
75 Member<NGLayoutInputNode> first_child_; | 75 Member<NGLayoutInputNode> first_child_; |
76 }; | 76 }; |
77 | 77 |
78 DEFINE_TYPE_CASTS(NGBlockNode, | 78 DEFINE_TYPE_CASTS(NGBlockNode, |
79 NGLayoutInputNode, | 79 NGLayoutInputNode, |
80 node, | 80 node, |
81 node->IsBlock(), | 81 node->IsBlock(), |
82 node.IsBlock()); | 82 node.IsBlock()); |
83 | 83 |
84 } // namespace blink | 84 } // namespace blink |
85 | 85 |
86 #endif // NGBlockNode | 86 #endif // NGBlockNode |
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