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https://github.com/RGBCube/serenity
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LibHTML: Add a convenient way to get from any layout node to the root
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4 changed files with 31 additions and 0 deletions
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@ -239,6 +239,11 @@ const LayoutDocument* Document::layout_node() const
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return static_cast<const LayoutDocument*>(Node::layout_node());
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return static_cast<const LayoutDocument*>(Node::layout_node());
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}
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}
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LayoutDocument* Document::layout_node()
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{
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return static_cast<LayoutDocument*>(Node::layout_node());
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}
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void Document::set_hovered_node(Node* node)
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void Document::set_hovered_node(Node* node)
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{
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{
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if (m_hovered_node == node)
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if (m_hovered_node == node)
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@ -78,6 +78,7 @@ public:
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virtual bool is_child_allowed(const Node&) const override;
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virtual bool is_child_allowed(const Node&) const override;
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const LayoutDocument* layout_node() const;
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const LayoutDocument* layout_node() const;
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LayoutDocument* layout_node();
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void schedule_style_update();
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void schedule_style_update();
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@ -63,6 +63,26 @@ const Document& LayoutNode::document() const
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return node()->document();
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return node()->document();
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}
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}
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Document& LayoutNode::document()
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{
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if (is_anonymous())
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return parent()->document();
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// FIXME: Remove this const_cast once we give up on the idea of a const link from layout tree to DOM tree.
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return const_cast<Node*>(node())->document();
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}
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const LayoutDocument& LayoutNode::root() const
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{
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ASSERT(document().layout_node());
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return *document().layout_node();
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}
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LayoutDocument& LayoutNode::root()
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{
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ASSERT(document().layout_node());
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return *document().layout_node();
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}
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void LayoutNode::split_into_lines(LayoutBlock& container)
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void LayoutNode::split_into_lines(LayoutBlock& container)
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{
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{
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for_each_child([&](auto& child) {
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for_each_child([&](auto& child) {
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@ -11,6 +11,7 @@
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class Document;
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class Document;
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class Element;
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class Element;
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class LayoutBlock;
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class LayoutBlock;
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class LayoutDocument;
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class LayoutNode;
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class LayoutNode;
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class LayoutNodeWithStyle;
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class LayoutNodeWithStyle;
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class LineBoxFragment;
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class LineBoxFragment;
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@ -29,8 +30,12 @@ public:
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bool is_anonymous() const { return !m_node; }
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bool is_anonymous() const { return !m_node; }
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const Node* node() const { return m_node; }
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const Node* node() const { return m_node; }
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Document& document();
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const Document& document() const;
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const Document& document() const;
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const LayoutDocument& root() const;
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LayoutDocument& root();
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template<typename Callback>
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template<typename Callback>
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inline void for_each_child(Callback callback) const
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inline void for_each_child(Callback callback) const
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{
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{
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