| // Copyright 2016 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 NGConstraintSpaceBuilder_h |
| #define NGConstraintSpaceBuilder_h |
| |
| #include "core/layout/ng/ng_fragment.h" |
| #include "core/layout/ng/ng_units.h" |
| |
| namespace blink { |
| |
| class CORE_EXPORT NGConstraintSpaceBuilder final |
| : public GarbageCollectedFinalized<NGConstraintSpaceBuilder> { |
| public: |
| NGConstraintSpaceBuilder(const NGConstraintSpace* parent_space); |
| |
| NGConstraintSpaceBuilder(NGWritingMode writing_mode); |
| |
| NGConstraintSpaceBuilder& SetAvailableSize(NGLogicalSize available_size); |
| |
| NGConstraintSpaceBuilder& SetPercentageResolutionSize( |
| NGLogicalSize percentage_resolution_size); |
| |
| NGConstraintSpaceBuilder& SetTextDirection(TextDirection); |
| |
| NGConstraintSpaceBuilder& SetIsFixedSizeInline(bool is_fixed_size_inline); |
| NGConstraintSpaceBuilder& SetIsFixedSizeBlock(bool is_fixed_size_block); |
| |
| NGConstraintSpaceBuilder& SetIsInlineDirectionTriggersScrollbar( |
| bool is_inline_direction_triggers_scrollbar); |
| NGConstraintSpaceBuilder& SetIsBlockDirectionTriggersScrollbar( |
| bool is_block_direction_triggers_scrollbar); |
| |
| NGConstraintSpaceBuilder& SetFragmentationType(NGFragmentationType); |
| NGConstraintSpaceBuilder& SetIsNewFormattingContext(bool is_new_fc); |
| |
| NGConstraintSpaceBuilder& SetWritingMode(NGWritingMode writing_mode); |
| |
| // Creates a new constraint space. This may be called multiple times, for |
| // example the constraint space will be different for a child which: |
| // - Establishes a new formatting context. |
| // - Is within a fragmentation container and needs its fragmentation offset |
| // updated. |
| // - Has its size is determined by its parent layout (flex, abs-pos). |
| NGConstraintSpace* ToConstraintSpace(); |
| |
| DEFINE_INLINE_TRACE() {} |
| |
| private: |
| NGLogicalSize available_size_; |
| NGLogicalSize percentage_resolution_size_; |
| |
| unsigned writing_mode_ : 2; |
| unsigned parent_writing_mode_ : 2; |
| unsigned is_fixed_size_inline_ : 1; |
| unsigned is_fixed_size_block_ : 1; |
| unsigned is_inline_direction_triggers_scrollbar_ : 1; |
| unsigned is_block_direction_triggers_scrollbar_ : 1; |
| unsigned fragmentation_type_ : 2; |
| unsigned is_new_fc_ : 1; |
| unsigned text_direction_ : 1; |
| |
| std::shared_ptr<NGExclusions> exclusions_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // NGConstraintSpaceBuilder |