| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef NGLegacyBlockLayoutAlgorithm_h |
| #define NGLegacyBlockLayoutAlgorithm_h |
| |
| #include "core/CoreExport.h" |
| #include "core/layout/ng/ng_block_node.h" |
| #include "core/layout/ng/ng_constraint_space.h" |
| #include "core/layout/ng/ng_layout_algorithm.h" |
| #include "wtf/RefPtr.h" |
| |
| namespace blink { |
| |
| // A class for legacy block layout (blocks that can't be handled by NG yet). |
| // Defers to the old layout method of the block |
| class CORE_EXPORT NGLegacyBlockLayoutAlgorithm : public NGLayoutAlgorithm { |
| public: |
| NGLegacyBlockLayoutAlgorithm(NGBlockNode*, const NGConstraintSpace*); |
| |
| NGLayoutStatus Layout(NGPhysicalFragment*, |
| NGPhysicalFragment**, |
| NGLayoutAlgorithm**) override; |
| |
| DECLARE_VIRTUAL_TRACE(); |
| |
| private: |
| Member<NGBlockNode> block_; |
| Member<const NGConstraintSpace> constraint_space_; |
| }; |
| } |
| |
| #endif // NGLegacyBlockLayoutAlgorithm_h |