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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef NGLegacyBlockLayoutAlgorithm_h | |
| 6 #define NGLegacyBlockLayoutAlgorithm_h | |
| 7 | |
| 8 #include "core/CoreExport.h" | |
| 9 #include "core/layout/ng/ng_block_node.h" | |
| 10 #include "core/layout/ng/ng_constraint_space.h" | |
| 11 #include "core/layout/ng/ng_layout_algorithm.h" | |
| 12 #include "wtf/RefPtr.h" | |
| 13 | |
| 14 namespace blink { | |
| 15 | |
| 16 // A class for legacy block layout (blocks that can't be handled by NG yet). | |
| 17 // Defers to the old layout method of the block | |
| 18 class CORE_EXPORT NGLegacyBlockLayoutAlgorithm : public NGLayoutAlgorithm { | |
| 19 public: | |
| 20 NGLegacyBlockLayoutAlgorithm(NGBlockNode*, const NGConstraintSpace*); | |
| 21 | |
| 22 NGPhysicalFragment* Layout() override; | |
| 23 | |
| 24 DECLARE_VIRTUAL_TRACE(); | |
| 25 | |
| 26 private: | |
| 27 Member<NGBlockNode> block_; | |
| 28 Member<const NGConstraintSpace> constraint_space_; | |
| 29 }; | |
| 30 } | |
| 31 | |
| 32 #endif // NGLegacyBlockLayoutAlgorithm_h | |
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