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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 NGConstraintSpace_h | 5 #ifndef NGConstraintSpace_h |
6 #define NGConstraintSpace_h | 6 #define NGConstraintSpace_h |
7 | 7 |
8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
9 #include "core/layout/ng/ng_macros.h" | 9 #include "core/layout/ng/ng_macros.h" |
10 #include "core/layout/ng/ng_physical_constraint_space.h" | 10 #include "core/layout/ng/ng_physical_constraint_space.h" |
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101 // If specified a layout should produce a Fragment which fragments at the | 101 // If specified a layout should produce a Fragment which fragments at the |
102 // blockSize if possible. | 102 // blockSize if possible. |
103 NGFragmentationType BlockFragmentationType() const; | 103 NGFragmentationType BlockFragmentationType() const; |
104 | 104 |
105 // Modifies constraint space to account for a placed fragment. Depending on | 105 // Modifies constraint space to account for a placed fragment. Depending on |
106 // the shape of the fragment this will either modify the inline or block | 106 // the shape of the fragment this will either modify the inline or block |
107 // size, or add an exclusion. | 107 // size, or add an exclusion. |
108 void Subtract(const NGFragment*); | 108 void Subtract(const NGFragment*); |
109 | 109 |
110 NGLayoutOpportunityIterator* LayoutOpportunities( | 110 NGLayoutOpportunityIterator* LayoutOpportunities( |
111 unsigned clear = NGClearNone, | 111 unsigned clear = kNGClearNone, |
112 bool for_inline_or_bfc = false); | 112 bool for_inline_or_bfc = false); |
113 | 113 |
114 DEFINE_INLINE_VIRTUAL_TRACE() { visitor->trace(physical_space_); } | 114 DEFINE_INLINE_VIRTUAL_TRACE() { visitor->trace(physical_space_); } |
115 | 115 |
116 NGConstraintSpace* ChildSpace(const ComputedStyle* style) const; | 116 NGConstraintSpace* ChildSpace(const ComputedStyle* style) const; |
117 | 117 |
118 String ToString() const; | 118 String ToString() const; |
119 | 119 |
120 private: | 120 private: |
121 Member<NGPhysicalConstraintSpace> physical_space_; | 121 Member<NGPhysicalConstraintSpace> physical_space_; |
122 NGLogicalOffset offset_; | 122 NGLogicalOffset offset_; |
123 unsigned writing_mode_ : 3; | 123 unsigned writing_mode_ : 3; |
124 unsigned direction_ : 1; | 124 unsigned direction_ : 1; |
125 }; | 125 }; |
126 | 126 |
127 inline std::ostream& operator<<(std::ostream& stream, | 127 inline std::ostream& operator<<(std::ostream& stream, |
128 const NGConstraintSpace& value) { | 128 const NGConstraintSpace& value) { |
129 return stream << value.ToString(); | 129 return stream << value.ToString(); |
130 } | 130 } |
131 | 131 |
132 } // namespace blink | 132 } // namespace blink |
133 | 133 |
134 #endif // NGConstraintSpace_h | 134 #endif // NGConstraintSpace_h |
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