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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_constraint_space.h" | 5 #include "core/layout/ng/ng_constraint_space.h" |
6 | 6 |
7 #include "core/layout/LayoutBlock.h" | 7 #include "core/layout/LayoutBlock.h" |
8 #include "core/layout/LayoutView.h" | 8 #include "core/layout/LayoutView.h" |
9 #include "core/layout/ng/ng_layout_opportunity_iterator.h" | 9 #include "core/layout/ng/ng_layout_opportunity_iterator.h" |
10 #include "core/layout/ng/ng_units.h" | 10 #include "core/layout/ng/ng_units.h" |
11 | 11 |
12 namespace blink { | 12 namespace blink { |
13 | 13 |
14 NGConstraintSpace::NGConstraintSpace(NGWritingMode writing_mode, | 14 NGConstraintSpace::NGConstraintSpace(NGWritingMode writing_mode, |
15 NGDirection direction, | 15 NGDirection direction, |
16 NGLogicalSize container_size) | 16 NGLogicalSize container_size) |
17 : physical_space_(new NGPhysicalConstraintSpace( | 17 : physical_space_(new NGPhysicalConstraintSpace( |
18 container_size.ConvertToPhysical(writing_mode))), | 18 container_size.ConvertToPhysical(writing_mode))), |
19 size_(container_size), | 19 size_(container_size), |
20 writing_mode_(writing_mode), | 20 writing_mode_(writing_mode), |
21 direction_(direction) {} | 21 direction_(direction), |
| 22 is_root(false) {} |
22 | 23 |
23 NGConstraintSpace::NGConstraintSpace(NGWritingMode writing_mode, | 24 NGConstraintSpace::NGConstraintSpace(NGWritingMode writing_mode, |
24 NGDirection direction, | 25 NGDirection direction, |
25 NGPhysicalConstraintSpace* physical_space) | 26 NGPhysicalConstraintSpace* physical_space) |
26 : physical_space_(physical_space), | 27 : physical_space_(physical_space), |
27 size_(physical_space->ContainerSize().ConvertToLogical(writing_mode)), | 28 size_(physical_space->ContainerSize().ConvertToLogical(writing_mode)), |
28 writing_mode_(writing_mode), | 29 writing_mode_(writing_mode), |
29 direction_(direction) {} | 30 direction_(direction), |
| 31 is_root(false) {} |
30 | 32 |
31 NGConstraintSpace::NGConstraintSpace(NGWritingMode writing_mode, | 33 NGConstraintSpace::NGConstraintSpace(NGWritingMode writing_mode, |
32 NGDirection direction, | 34 NGDirection direction, |
33 const NGConstraintSpace* constraint_space) | 35 const NGConstraintSpace* constraint_space) |
34 : physical_space_(constraint_space->PhysicalSpace()), | 36 : physical_space_(constraint_space->PhysicalSpace()), |
35 offset_(constraint_space->Offset()), | 37 offset_(constraint_space->Offset()), |
36 size_(constraint_space->Size()), | 38 size_(constraint_space->Size()), |
37 writing_mode_(writing_mode), | 39 writing_mode_(writing_mode), |
38 direction_(direction) {} | 40 direction_(direction), |
| 41 is_root(constraint_space->IsRoot()) {} |
39 | 42 |
40 NGConstraintSpace::NGConstraintSpace(const NGConstraintSpace& other, | 43 NGConstraintSpace::NGConstraintSpace(const NGConstraintSpace& other, |
41 NGLogicalOffset offset, | 44 NGLogicalOffset offset, |
42 NGLogicalSize size) | 45 NGLogicalSize size) |
43 : physical_space_(other.PhysicalSpace()), | 46 : physical_space_(other.PhysicalSpace()), |
44 offset_(offset), | 47 offset_(offset), |
45 size_(size), | 48 size_(size), |
46 writing_mode_(other.WritingMode()), | 49 writing_mode_(other.WritingMode()), |
47 direction_(other.Direction()) {} | 50 direction_(other.Direction()), |
| 51 is_root(false) {} |
48 | 52 |
49 NGConstraintSpace::NGConstraintSpace(NGWritingMode writing_mode, | 53 NGConstraintSpace::NGConstraintSpace(NGWritingMode writing_mode, |
50 NGDirection direction, | 54 NGDirection direction, |
51 const NGConstraintSpace& other, | 55 const NGConstraintSpace& other, |
52 NGLogicalSize size) | 56 NGLogicalSize size) |
53 : size_(size), writing_mode_(writing_mode), direction_(direction) { | 57 : size_(size), |
| 58 writing_mode_(writing_mode), |
| 59 direction_(direction), |
| 60 is_root(false) { |
54 physical_space_ = | 61 physical_space_ = |
55 new NGPhysicalConstraintSpace(size.ConvertToPhysical(writing_mode)); | 62 new NGPhysicalConstraintSpace(size.ConvertToPhysical(writing_mode)); |
56 for (const NGExclusion& exclusion : other.PhysicalSpace()->Exclusions()) { | 63 for (const NGExclusion& exclusion : other.PhysicalSpace()->Exclusions()) { |
57 physical_space_->AddExclusion(exclusion); | 64 physical_space_->AddExclusion(exclusion); |
58 } | 65 } |
59 } | 66 } |
60 | 67 |
61 NGConstraintSpace* NGConstraintSpace::CreateFromLayoutObject( | 68 NGConstraintSpace* NGConstraintSpace::CreateFromLayoutObject( |
62 const LayoutBox& box) { | 69 const LayoutBox& box) { |
63 bool fixed_inline = false, fixed_block = false; | 70 bool fixed_inline = false, fixed_block = false; |
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86 } | 93 } |
87 | 94 |
88 NGConstraintSpace* derived_constraint_space = new NGConstraintSpace( | 95 NGConstraintSpace* derived_constraint_space = new NGConstraintSpace( |
89 FromPlatformWritingMode(box.styleRef().getWritingMode()), | 96 FromPlatformWritingMode(box.styleRef().getWritingMode()), |
90 FromPlatformDirection(box.styleRef().direction()), | 97 FromPlatformDirection(box.styleRef().direction()), |
91 NGLogicalSize(container_logical_width, container_logical_height)); | 98 NGLogicalSize(container_logical_width, container_logical_height)); |
92 derived_constraint_space->SetOverflowTriggersScrollbar( | 99 derived_constraint_space->SetOverflowTriggersScrollbar( |
93 box.styleRef().overflowInlineDirection() == OverflowAuto, | 100 box.styleRef().overflowInlineDirection() == OverflowAuto, |
94 box.styleRef().overflowBlockDirection() == OverflowAuto); | 101 box.styleRef().overflowBlockDirection() == OverflowAuto); |
95 derived_constraint_space->SetFixedSize(fixed_inline, fixed_block); | 102 derived_constraint_space->SetFixedSize(fixed_inline, fixed_block); |
| 103 derived_constraint_space->SetIsRoot(); |
96 return derived_constraint_space; | 104 return derived_constraint_space; |
97 } | 105 } |
98 | 106 |
99 NGLogicalSize NGConstraintSpace::ContainerSize() const { | 107 NGLogicalSize NGConstraintSpace::ContainerSize() const { |
100 return physical_space_->container_size_.ConvertToLogical( | 108 return physical_space_->container_size_.ConvertToLogical( |
101 static_cast<NGWritingMode>(writing_mode_)); | 109 static_cast<NGWritingMode>(writing_mode_)); |
102 } | 110 } |
103 | 111 |
104 bool NGConstraintSpace::InlineTriggersScrollbar() const { | 112 bool NGConstraintSpace::InlineTriggersScrollbar() const { |
105 return writing_mode_ == HorizontalTopBottom | 113 return writing_mode_ == HorizontalTopBottom |
(...skipping 73 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
179 | 187 |
180 String NGConstraintSpace::ToString() const { | 188 String NGConstraintSpace::ToString() const { |
181 return String::format("%s,%s %sx%s", | 189 return String::format("%s,%s %sx%s", |
182 offset_.inline_offset.toString().ascii().data(), | 190 offset_.inline_offset.toString().ascii().data(), |
183 offset_.block_offset.toString().ascii().data(), | 191 offset_.block_offset.toString().ascii().data(), |
184 size_.inline_size.toString().ascii().data(), | 192 size_.inline_size.toString().ascii().data(), |
185 size_.block_size.toString().ascii().data()); | 193 size_.block_size.toString().ascii().data()); |
186 } | 194 } |
187 | 195 |
188 } // namespace blink | 196 } // namespace blink |
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