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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 NGLayoutOpportunityIterator_h | 5 #ifndef NGLayoutOpportunityIterator_h |
6 #define NGLayoutOpportunityIterator_h | 6 #define NGLayoutOpportunityIterator_h |
7 | 7 |
8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.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_layout_opportunity_tree_node.h" | 10 #include "core/layout/ng/ng_layout_opportunity_tree_node.h" |
11 #include "core/layout/ng/ng_units.h" | 11 #include "core/layout/ng/ng_units.h" |
12 #include "platform/heap/Handle.h" | 12 #include "platform/heap/Handle.h" |
13 #include "wtf/text/WTFString.h" | 13 #include "wtf/text/WTFString.h" |
14 #include "wtf/Vector.h" | 14 #include "wtf/Vector.h" |
15 | 15 |
16 namespace blink { | 16 namespace blink { |
17 | 17 |
18 typedef const NGConstraintSpace NGLayoutOpportunity; | 18 typedef NGLogicalRect NGLayoutOpportunity; |
19 typedef HeapVector<Member<const NGLayoutOpportunity>> NGLayoutOpportunities; | 19 typedef Vector<NGLayoutOpportunity> NGLayoutOpportunities; |
20 | 20 |
21 class CORE_EXPORT NGLayoutOpportunityIterator final | 21 class CORE_EXPORT NGLayoutOpportunityIterator final |
22 : public GarbageCollected<NGLayoutOpportunityIterator> { | 22 : public GarbageCollectedFinalized<NGLayoutOpportunityIterator> { |
23 public: | 23 public: |
24 NGLayoutOpportunityIterator(NGConstraintSpace* space, | 24 NGLayoutOpportunityIterator(NGConstraintSpace* space, |
25 unsigned clear, | 25 unsigned clear, |
26 bool for_inline_or_bfc); | 26 bool for_inline_or_bfc); |
27 | 27 |
28 // Gets the next Layout Opportunity or nullptr if the search is exhausted. | 28 // Gets the next Layout Opportunity or nullptr if the search is exhausted. |
29 // TODO(chrome-layout-team): Refactor with using C++ <iterator> library. | 29 // TODO(chrome-layout-team): Refactor with using C++ <iterator> library. |
30 NGLayoutOpportunity* Next(); | 30 const NGLayoutOpportunity Next(); |
31 | 31 |
32 DEFINE_INLINE_VIRTUAL_TRACE() { | 32 DEFINE_INLINE_VIRTUAL_TRACE() { |
33 visitor->trace(constraint_space_); | 33 visitor->trace(constraint_space_); |
34 visitor->trace(opportunities_); | |
35 visitor->trace(opportunity_tree_root_); | 34 visitor->trace(opportunity_tree_root_); |
36 } | 35 } |
37 | 36 |
38 private: | 37 private: |
39 Member<NGConstraintSpace> constraint_space_; | 38 Member<NGConstraintSpace> constraint_space_; |
40 | 39 |
41 NGLayoutOpportunities opportunities_; | 40 NGLayoutOpportunities opportunities_; |
42 Vector<Member<NGLayoutOpportunity>>::const_iterator opportunity_iter_; | 41 NGLayoutOpportunities::const_iterator opportunity_iter_; |
43 Member<NGLayoutOpportunityTreeNode> opportunity_tree_root_; | 42 Member<NGLayoutOpportunityTreeNode> opportunity_tree_root_; |
44 }; | 43 }; |
45 | 44 |
46 } // namespace blink | 45 } // namespace blink |
47 | 46 |
48 #endif // NGLayoutOpportunityIterator_h | 47 #endif // NGLayoutOpportunityIterator_h |
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