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LibWeb: Improve computation of a layout node's containing block

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In particular, we now compute the containing block of boxes with
position:absolute and position:fixed (more) correctly.
This commit is contained in:
Andreas Kling 2020-06-05 16:54:28 +02:00
parent 762617a028
commit 7fcf61be35
3 changed files with 43 additions and 5 deletions
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7
Libraries/LibWeb/Layout/LayoutNode.h
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@ -81,7 +81,8 @@ public:
callback(*node);
}
virtual const char* class_name() const { return "LayoutNode"; }
virtual const char* class_name() const = 0;
virtual bool is_root() const { return false; }
virtual bool is_text() const { return false; }
virtual bool is_block() const { return false; }
virtual bool is_replaced() const { return false; }
@ -108,8 +109,12 @@ public:
virtual void layout(LayoutMode);
virtual void render(RenderingContext&);
bool is_absolutely_positioned() const;
const LayoutBlock* containing_block() const;
bool can_contain_boxes_with_position_absolute() const;
virtual LayoutNode& inline_wrapper() { return *this; }
const StyleProperties& style() const;