| // Copyright 2020 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 THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_MATHML_NG_MATH_RADICAL_LAYOUT_ALGORITHM_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_MATHML_NG_MATH_RADICAL_LAYOUT_ALGORITHM_H_ |
| |
| #include "third_party/blink/renderer/core/layout/ng/mathml/ng_math_row_layout_algorithm.h" |
| |
| namespace blink { |
| |
| // This algorithm handles msqrt and mroot elements. |
| class CORE_EXPORT NGMathRadicalLayoutAlgorithm |
| : public NGLayoutAlgorithm<NGBlockNode, |
| NGBoxFragmentBuilder, |
| NGBlockBreakToken> { |
| public: |
| explicit NGMathRadicalLayoutAlgorithm(const NGLayoutAlgorithmParams& params); |
| |
| scoped_refptr<const NGLayoutResult> Layout() final; |
| |
| MinMaxSizesResult ComputeMinMaxSizes(const MinMaxSizesInput&) const final; |
| |
| private: |
| bool HasIndex() const; |
| |
| void GatherChildren(NGBlockNode* base, |
| NGBlockNode* index, |
| NGBoxFragmentBuilder* = nullptr) const; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_NG_MATHML_NG_MATH_RADICAL_LAYOUT_ALGORITHM_H_ |