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Unified Diff: third_party/WebKit/Source/core/layout/ng/ng_constraint_space.h

Issue 2368153003: Compute margin block start for 1st block in LayoutNG root constraint space (Closed)
Patch Set: added a missing underscore, removed LayoutNG from comments Created 4 years, 3 months ago
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Index: third_party/WebKit/Source/core/layout/ng/ng_constraint_space.h
diff --git a/third_party/WebKit/Source/core/layout/ng/ng_constraint_space.h b/third_party/WebKit/Source/core/layout/ng/ng_constraint_space.h
index 67bc21fa2adbaef016fcbaebcc1e4d8d042e7609..dfcd754d83cc689c9e77a965c08f593e6152b62b 100644
--- a/third_party/WebKit/Source/core/layout/ng/ng_constraint_space.h
+++ b/third_party/WebKit/Source/core/layout/ng/ng_constraint_space.h
@@ -85,6 +85,10 @@ class CORE_EXPORT NGConstraintSpace final
// return the size of the layout opportunity.
virtual NGLogicalSize Size() const { return size_; }
+ // Whether the current constraint space is for the document root element's
+ // children.
+ bool IsRoot() const { return is_root_; }
+
// Whether exceeding the containerSize triggers the presence of a scrollbar
// for the indicated direction.
// If exceeded the current layout should be aborted and invoked again with a
@@ -119,6 +123,7 @@ class CORE_EXPORT NGConstraintSpace final
void SetOverflowTriggersScrollbar(bool inlineTriggers, bool blockTriggers);
void SetFixedSize(bool inlineFixed, bool blockFixed);
void SetFragmentationType(NGFragmentationType);
+ void SetIsRoot() { is_root_ = true; }
String ToString() const;
@@ -128,6 +133,9 @@ class CORE_EXPORT NGConstraintSpace final
NGLogicalSize size_;
unsigned writing_mode_ : 3;
unsigned direction_ : 1;
+ // Whether the current constraint space is for the document root element's
+ // children.
+ bool is_root_ : 1;
};
inline std::ostream& operator<<(std::ostream& stream,

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