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LibHTML: Add LayoutNode::document() for easy access

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Every LayoutNode indirectly belongs to some Document. For anonymous
LayoutNodes, we simply traverse the parent chain until we find someone
with a Node from which we can get a Document&.
This commit is contained in:
Andreas Kling 2019-09-29 11:43:33 +02:00
parent 1b8509a0c9
commit 754e6e0f67
Notes: sideshowbarker 2024-07-19 11:53:55 +09:00
2 changed files with 11 additions and 1 deletions
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7
Libraries/LibHTML/Layout/LayoutNode.cpp
View file

@ -55,3 +55,10 @@ HitTestResult LayoutNode::hit_test(const Point& position) const
});
return result;
}
const Document& LayoutNode::document() const
{
if (is_anonymous())
return parent()->document();
return node()->document();
}

5
Libraries/LibHTML/Layout/LayoutNode.h
View file

@ -8,10 +8,11 @@
#include <LibHTML/RenderingContext.h>
#include <LibHTML/TreeNode.h>
class Node;
class Document;
class Element;
class LayoutBlock;
class LayoutNode;
class Node;
struct HitTestResult {
RefPtr<LayoutNode> layout_node;
@ -33,6 +34,8 @@ public:
bool is_anonymous() const { return !m_node; }
const Node* node() const { return m_node; }
const Document& document() const;
template<typename Callback>
inline void for_each_child(Callback callback) const
{