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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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