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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 #include "core/layout/ng/ng_inline_layout_algorithm.h" | 5 #include "core/layout/ng/ng_inline_layout_algorithm.h" |
| 6 | 6 |
| 7 #include "core/layout/ng/ng_break_token.h" | 7 #include "core/layout/ng/ng_break_token.h" |
| 8 #include "core/layout/ng/ng_constraint_space.h" | 8 #include "core/layout/ng/ng_constraint_space.h" |
| 9 #include "core/layout/ng/ng_constraint_space_builder.h" | 9 #include "core/layout/ng/ng_constraint_space_builder.h" |
| 10 #include "core/layout/ng/ng_fragment_builder.h" | 10 #include "core/layout/ng/ng_fragment_builder.h" |
| 11 #include "core/layout/ng/ng_inline_node.h" | 11 #include "core/layout/ng/ng_inline_node.h" |
| 12 #include "core/layout/ng/ng_length_utils.h" | 12 #include "core/layout/ng/ng_length_utils.h" |
| 13 #include "core/layout/ng/ng_line_builder.h" | 13 #include "core/layout/ng/ng_line_builder.h" |
| 14 #include "core/layout/ng/ng_physical_fragment.h" | |
| 15 #include "core/style/ComputedStyle.h" | 14 #include "core/style/ComputedStyle.h" |
| 15 #include "core/layout/ng/ng_physical_box_fragment.h" |
| 16 | 16 |
| 17 namespace blink { | 17 namespace blink { |
| 18 | 18 |
| 19 NGInlineLayoutAlgorithm::NGInlineLayoutAlgorithm( | 19 NGInlineLayoutAlgorithm::NGInlineLayoutAlgorithm( |
| 20 PassRefPtr<const ComputedStyle> style, | 20 PassRefPtr<const ComputedStyle> style, |
| 21 NGInlineNode* first_child, | 21 NGInlineNode* first_child, |
| 22 NGConstraintSpace* constraint_space, | 22 NGConstraintSpace* constraint_space, |
| 23 NGBreakToken* break_token) | 23 NGBreakToken* break_token) |
| 24 : NGLayoutAlgorithm(kInlineLayoutAlgorithm), | 24 : NGLayoutAlgorithm(kInlineLayoutAlgorithm), |
| 25 style_(style), | 25 style_(style), |
| 26 first_child_(first_child), | 26 first_child_(first_child), |
| 27 constraint_space_(constraint_space), | 27 constraint_space_(constraint_space), |
| 28 break_token_(break_token) { | 28 break_token_(break_token) { |
| 29 DCHECK(style_); | 29 DCHECK(style_); |
| 30 } | 30 } |
| 31 | 31 |
| 32 NGLayoutStatus NGInlineLayoutAlgorithm::Layout( | 32 NGLayoutStatus NGInlineLayoutAlgorithm::Layout( |
| 33 NGPhysicalFragmentBase*, | 33 NGPhysicalFragment*, |
| 34 NGPhysicalFragmentBase** fragment_out, | 34 NGPhysicalFragment** fragment_out, |
| 35 NGLayoutAlgorithm**) { | 35 NGLayoutAlgorithm**) { |
| 36 // TODO(kojii): Implement sizing and child constraint spaces. Share common | 36 // TODO(kojii): Implement sizing and child constraint spaces. Share common |
| 37 // logic with NGBlockLayoutAlgorithm using composition. | 37 // logic with NGBlockLayoutAlgorithm using composition. |
| 38 switch (state_) { | 38 switch (state_) { |
| 39 case kStateInit: { | 39 case kStateInit: { |
| 40 builder_ = new NGFragmentBuilder(NGPhysicalFragmentBase::kFragmentBox); | 40 builder_ = new NGFragmentBuilder(NGPhysicalFragment::kFragmentBox); |
| 41 builder_->SetWritingMode(constraint_space_->WritingMode()); | 41 builder_->SetWritingMode(constraint_space_->WritingMode()); |
| 42 builder_->SetDirection(constraint_space_->Direction()); | 42 builder_->SetDirection(constraint_space_->Direction()); |
| 43 current_child_ = first_child_; | 43 current_child_ = first_child_; |
| 44 if (current_child_) { | 44 if (current_child_) { |
| 45 space_for_current_child_ = CreateConstraintSpaceForCurrentChild(); | 45 space_for_current_child_ = CreateConstraintSpaceForCurrentChild(); |
| 46 line_builder_ = | 46 line_builder_ = |
| 47 new NGLineBuilder(current_child_, space_for_current_child_); | 47 new NGLineBuilder(current_child_, space_for_current_child_); |
| 48 } | 48 } |
| 49 | 49 |
| 50 state_ = kStateChildLayout; | 50 state_ = kStateChildLayout; |
| (...skipping 10 matching lines...) Expand all Loading... |
| 61 ASSERT_NOT_REACHED(); | 61 ASSERT_NOT_REACHED(); |
| 62 space_for_current_child_ = CreateConstraintSpaceForCurrentChild(); | 62 space_for_current_child_ = CreateConstraintSpaceForCurrentChild(); |
| 63 return kNotFinished; | 63 return kNotFinished; |
| 64 } | 64 } |
| 65 } | 65 } |
| 66 state_ = kStateFinalize; | 66 state_ = kStateFinalize; |
| 67 return kNotFinished; | 67 return kNotFinished; |
| 68 } | 68 } |
| 69 case kStateFinalize: | 69 case kStateFinalize: |
| 70 line_builder_->CreateFragments(builder_); | 70 line_builder_->CreateFragments(builder_); |
| 71 *fragment_out = builder_->ToFragment(); | 71 *fragment_out = builder_->ToBoxFragment(); |
| 72 state_ = kStateInit; | 72 state_ = kStateInit; |
| 73 return kNewFragment; | 73 return kNewFragment; |
| 74 }; | 74 }; |
| 75 NOTREACHED(); | 75 NOTREACHED(); |
| 76 *fragment_out = nullptr; | 76 *fragment_out = nullptr; |
| 77 return kNewFragment; | 77 return kNewFragment; |
| 78 } | 78 } |
| 79 | 79 |
| 80 bool NGInlineLayoutAlgorithm::LayoutCurrentChild() { | 80 bool NGInlineLayoutAlgorithm::LayoutCurrentChild() { |
| 81 return current_child_->LayoutInline(space_for_current_child_, line_builder_); | 81 return current_child_->LayoutInline(space_for_current_child_, line_builder_); |
| (...skipping 15 matching lines...) Expand all Loading... |
| 97 visitor->trace(first_child_); | 97 visitor->trace(first_child_); |
| 98 visitor->trace(constraint_space_); | 98 visitor->trace(constraint_space_); |
| 99 visitor->trace(break_token_); | 99 visitor->trace(break_token_); |
| 100 visitor->trace(builder_); | 100 visitor->trace(builder_); |
| 101 visitor->trace(space_for_current_child_); | 101 visitor->trace(space_for_current_child_); |
| 102 visitor->trace(current_child_); | 102 visitor->trace(current_child_); |
| 103 visitor->trace(line_builder_); | 103 visitor->trace(line_builder_); |
| 104 } | 104 } |
| 105 | 105 |
| 106 } // namespace blink | 106 } // namespace blink |
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