Index: third_party/WebKit/Source/core/layout/ng/ng_constraint_space_builder.cc |
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_constraint_space_builder.cc b/third_party/WebKit/Source/core/layout/ng/ng_constraint_space_builder.cc |
index f4981db4f26302969948f4a235bd87e0deab7944..921f53f20c734446d53108e179f1d14b750b8850 100644 |
--- a/third_party/WebKit/Source/core/layout/ng/ng_constraint_space_builder.cc |
+++ b/third_party/WebKit/Source/core/layout/ng/ng_constraint_space_builder.cc |
@@ -6,14 +6,32 @@ |
namespace blink { |
+NGConstraintSpaceBuilder::NGConstraintSpaceBuilder( |
+ const NGConstraintSpace* parent_space) |
+ : available_size_(parent_space->AvailableSize()), |
+ percentage_resolution_size_(parent_space->PercentageResolutionSize()), |
+ writing_mode_(parent_space->WritingMode()), |
+ parent_writing_mode_(writing_mode_), |
+ is_fixed_size_inline_(false), |
cbiesinger
2016/12/01 21:11:37
Why not copy these values? This isn't really a "pa
Gleb Lanbin
2016/12/05 17:46:53
per Ian's comment from https://codereview.chromium
|
+ is_fixed_size_block_(false), |
+ is_inline_direction_triggers_scrollbar_(false), |
+ is_block_direction_triggers_scrollbar_(false), |
+ fragmentation_type_(kFragmentNone), |
+ is_new_fc_(parent_space->IsNewFormattingContext()), |
+ text_direction_(parent_space->Direction()), |
+ exclusions_(parent_space->Exclusions()) {} |
+ |
NGConstraintSpaceBuilder::NGConstraintSpaceBuilder(NGWritingMode writing_mode) |
: writing_mode_(writing_mode), |
+ parent_writing_mode_(writing_mode_), |
is_fixed_size_inline_(false), |
is_fixed_size_block_(false), |
is_inline_direction_triggers_scrollbar_(false), |
is_block_direction_triggers_scrollbar_(false), |
- fragmentation_type_(NGFragmentationType::kFragmentNone), |
- is_new_fc_(false) {} |
+ fragmentation_type_(kFragmentNone), |
+ is_new_fc_(false), |
+ text_direction_(TextDirection::LTR), |
+ exclusions_(new NGExclusions()) {} |
NGConstraintSpaceBuilder& NGConstraintSpaceBuilder::SetAvailableSize( |
NGLogicalSize available_size) { |
@@ -27,6 +45,12 @@ NGConstraintSpaceBuilder& NGConstraintSpaceBuilder::SetPercentageResolutionSize( |
return *this; |
} |
+NGConstraintSpaceBuilder& NGConstraintSpaceBuilder::SetTextDirection( |
+ TextDirection text_direction) { |
+ text_direction_ = text_direction; |
+ return *this; |
+} |
+ |
NGConstraintSpaceBuilder& NGConstraintSpaceBuilder::SetIsFixedSizeInline( |
bool is_fixed_size_inline) { |
is_fixed_size_inline_ = is_fixed_size_inline; |
@@ -67,27 +91,47 @@ NGConstraintSpaceBuilder& NGConstraintSpaceBuilder::SetIsNewFormattingContext( |
return *this; |
} |
-NGPhysicalConstraintSpace* NGConstraintSpaceBuilder::ToConstraintSpace() { |
- NGPhysicalSize available_size = available_size_.ConvertToPhysical( |
- static_cast<NGWritingMode>(writing_mode_)); |
- NGPhysicalSize percentage_resolution_size = |
- percentage_resolution_size_.ConvertToPhysical( |
- static_cast<NGWritingMode>(writing_mode_)); |
- |
- if (writing_mode_ == kHorizontalTopBottom) { |
- return new NGPhysicalConstraintSpace( |
- available_size, percentage_resolution_size, is_fixed_size_inline_, |
- is_fixed_size_block_, is_inline_direction_triggers_scrollbar_, |
- is_block_direction_triggers_scrollbar_, kFragmentNone, |
- static_cast<NGFragmentationType>(fragmentation_type_), is_new_fc_); |
- } else { |
- return new NGPhysicalConstraintSpace( |
- available_size, percentage_resolution_size, is_fixed_size_block_, |
- is_fixed_size_inline_, is_block_direction_triggers_scrollbar_, |
+NGConstraintSpaceBuilder& NGConstraintSpaceBuilder::SetWritingMode( |
+ NGWritingMode writing_mode) { |
+ writing_mode_ = writing_mode; |
+ return *this; |
+} |
+ |
+NGConstraintSpace* NGConstraintSpaceBuilder::ToConstraintSpace() { |
+ // Exclusions do not pass the formatting context boundary. |
+ std::shared_ptr<NGExclusions> exclusions( |
+ is_new_fc_ ? std::make_shared<NGExclusions>() : exclusions_); |
+ |
+ // Whether the child and the containing block are parallel to each other. |
+ // Example: vertical-rl and vertical-lr |
+ bool is_in_parallel_flow = (parent_writing_mode_ == kHorizontalTopBottom) == |
+ (writing_mode_ == kHorizontalTopBottom); |
+ |
+ if (is_in_parallel_flow) { |
+ return new NGConstraintSpace( |
+ static_cast<NGWritingMode>(writing_mode_), |
+ static_cast<TextDirection>(text_direction_), |
+ {available_size_.inline_size, available_size_.block_size}, |
+ {percentage_resolution_size_.inline_size, |
+ percentage_resolution_size_.block_size}, |
+ is_fixed_size_inline_, is_fixed_size_block_, |
is_inline_direction_triggers_scrollbar_, |
- static_cast<NGFragmentationType>(fragmentation_type_), kFragmentNone, |
- is_new_fc_); |
+ is_block_direction_triggers_scrollbar_, |
+ static_cast<NGFragmentationType>(fragmentation_type_), is_new_fc_, |
+ exclusions); |
} |
+ |
+ return new NGConstraintSpace( |
+ static_cast<NGWritingMode>(writing_mode_), |
+ static_cast<TextDirection>(text_direction_), |
+ {available_size_.block_size, available_size_.inline_size}, |
+ {percentage_resolution_size_.block_size, |
+ percentage_resolution_size_.inline_size}, |
+ is_fixed_size_block_, is_fixed_size_inline_, |
+ is_block_direction_triggers_scrollbar_, |
+ is_inline_direction_triggers_scrollbar_, |
+ static_cast<NGFragmentationType>(fragmentation_type_), is_new_fc_, |
+ exclusions); |
} |
} // namespace blink |