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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 NGFragmentBuilder_h | 5 #ifndef NGFragmentBuilder_h |
6 #define NGFragmentBuilder_h | 6 #define NGFragmentBuilder_h |
7 | 7 |
8 #include "core/layout/ng/ng_break_token.h" | 8 #include "core/layout/ng/ng_break_token.h" |
9 #include "core/layout/ng/ng_constraint_space.h" | 9 #include "core/layout/ng/ng_constraint_space.h" |
10 #include "core/layout/ng/ng_floating_object.h" | 10 #include "core/layout/ng/ng_floating_object.h" |
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31 NGFragmentBuilder& SetBlockSize(LayoutUnit); | 31 NGFragmentBuilder& SetBlockSize(LayoutUnit); |
32 NGLogicalSize Size() const { return size_; } | 32 NGLogicalSize Size() const { return size_; } |
33 | 33 |
34 NGFragmentBuilder& SetInlineOverflow(LayoutUnit); | 34 NGFragmentBuilder& SetInlineOverflow(LayoutUnit); |
35 NGFragmentBuilder& SetBlockOverflow(LayoutUnit); | 35 NGFragmentBuilder& SetBlockOverflow(LayoutUnit); |
36 | 36 |
37 NGFragmentBuilder& AddChild(RefPtr<NGLayoutResult>, const NGLogicalOffset&); | 37 NGFragmentBuilder& AddChild(RefPtr<NGLayoutResult>, const NGLogicalOffset&); |
38 NGFragmentBuilder& AddChild(RefPtr<NGPhysicalFragment>, | 38 NGFragmentBuilder& AddChild(RefPtr<NGPhysicalFragment>, |
39 const NGLogicalOffset&); | 39 const NGLogicalOffset&); |
40 | 40 |
41 NGFragmentBuilder& AddFloatingObject(NGFloatingObject*, | 41 NGFragmentBuilder& AddFloatingObject(RefPtr<NGFloatingObject>, |
42 const NGLogicalOffset&); | 42 const NGLogicalOffset&); |
43 | 43 |
44 NGFragmentBuilder& SetBfcOffset(const NGLogicalOffset& offset); | 44 NGFragmentBuilder& SetBfcOffset(const NGLogicalOffset& offset); |
45 | 45 |
46 NGFragmentBuilder& AddUnpositionedFloat(NGFloatingObject* floating_object); | 46 NGFragmentBuilder& AddUnpositionedFloat(NGFloatingObject* floating_object); |
47 | 47 |
48 // Builder has non-trivial out-of-flow descendant methods. | 48 // Builder has non-trivial out-of-flow descendant methods. |
49 // These methods are building blocks for implementation of | 49 // These methods are building blocks for implementation of |
50 // out-of-flow descendants by layout algorithms. | 50 // out-of-flow descendants by layout algorithms. |
51 // | 51 // |
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96 // Offsets are not supposed to be set during fragment construction, so we | 96 // Offsets are not supposed to be set during fragment construction, so we |
97 // do not provide a setter here. | 97 // do not provide a setter here. |
98 | 98 |
99 // Creates the fragment. Can only be called once. | 99 // Creates the fragment. Can only be called once. |
100 RefPtr<NGLayoutResult> ToBoxFragment(); | 100 RefPtr<NGLayoutResult> ToBoxFragment(); |
101 RefPtr<NGPhysicalTextFragment> ToTextFragment(unsigned index, | 101 RefPtr<NGPhysicalTextFragment> ToTextFragment(unsigned index, |
102 unsigned start_offset, | 102 unsigned start_offset, |
103 unsigned end_offset); | 103 unsigned end_offset); |
104 | 104 |
105 // Mutable list of floats that need to be positioned. | 105 // Mutable list of floats that need to be positioned. |
106 Vector<Persistent<NGFloatingObject>>& MutableUnpositionedFloats() { | 106 Vector<RefPtr<NGFloatingObject>>& MutableUnpositionedFloats() { |
107 return unpositioned_floats_; | 107 return unpositioned_floats_; |
108 } | 108 } |
109 | 109 |
110 // List of floats that need to be positioned. | 110 // List of floats that need to be positioned. |
111 const Vector<Persistent<NGFloatingObject>>& UnpositionedFloats() const { | 111 const Vector<RefPtr<NGFloatingObject>>& UnpositionedFloats() const { |
112 return unpositioned_floats_; | 112 return unpositioned_floats_; |
113 } | 113 } |
114 | 114 |
115 const WTF::Optional<NGLogicalOffset>& BfcOffset() const { | 115 const WTF::Optional<NGLogicalOffset>& BfcOffset() const { |
116 return bfc_offset_; | 116 return bfc_offset_; |
117 } | 117 } |
118 | 118 |
119 bool DidBreak() const { return did_break_; } | 119 bool DidBreak() const { return did_break_; } |
120 | 120 |
121 private: | 121 private: |
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155 Vector<RefPtr<NGBreakToken>> child_break_tokens_; | 155 Vector<RefPtr<NGBreakToken>> child_break_tokens_; |
156 | 156 |
157 WeakBoxList out_of_flow_descendant_candidates_; | 157 WeakBoxList out_of_flow_descendant_candidates_; |
158 Vector<OutOfFlowPlacement> out_of_flow_candidate_placements_; | 158 Vector<OutOfFlowPlacement> out_of_flow_candidate_placements_; |
159 | 159 |
160 WeakBoxList out_of_flow_descendants_; | 160 WeakBoxList out_of_flow_descendants_; |
161 Vector<NGStaticPosition> out_of_flow_positions_; | 161 Vector<NGStaticPosition> out_of_flow_positions_; |
162 | 162 |
163 // Floats that need to be positioned by the next in-flow fragment that can | 163 // Floats that need to be positioned by the next in-flow fragment that can |
164 // determine its block position in space. | 164 // determine its block position in space. |
165 Vector<Persistent<NGFloatingObject>> unpositioned_floats_; | 165 Vector<RefPtr<NGFloatingObject>> unpositioned_floats_; |
166 | 166 |
167 Vector<NGLogicalOffset> floating_object_offsets_; | 167 Vector<NGLogicalOffset> floating_object_offsets_; |
168 Vector<Persistent<NGFloatingObject>> positioned_floats_; | 168 Vector<RefPtr<NGFloatingObject>> positioned_floats_; |
169 | 169 |
170 WTF::Optional<NGLogicalOffset> bfc_offset_; | 170 WTF::Optional<NGLogicalOffset> bfc_offset_; |
171 NGMarginStrut end_margin_strut_; | 171 NGMarginStrut end_margin_strut_; |
172 }; | 172 }; |
173 | 173 |
174 } // namespace blink | 174 } // namespace blink |
175 | 175 |
176 #endif // NGFragmentBuilder | 176 #endif // NGFragmentBuilder |
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