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			56 lines
		
	
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			56 lines
		
	
	
	
		
			1.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <AK/RefPtr.h>
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| #include <LibJS/Heap/GCPtr.h>
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| #include <LibWeb/CSS/Display.h>
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| #include <LibWeb/CSS/Selector.h>
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| #include <LibWeb/Forward.h>
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| 
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| namespace Web::Layout {
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| 
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| class TreeBuilder {
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| public:
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|     TreeBuilder();
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| 
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|     JS::GCPtr<Layout::Node> build(DOM::Node&);
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| 
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| private:
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|     struct Context {
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|         bool has_svg_root = false;
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|     };
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| 
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|     ErrorOr<void> create_layout_tree(DOM::Node&, Context&);
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| 
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|     void push_parent(Layout::NodeWithStyle& node) { m_ancestor_stack.append(node); }
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|     void pop_parent() { m_ancestor_stack.take_last(); }
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| 
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|     template<CSS::DisplayInternal, typename Callback>
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|     void for_each_in_tree_with_internal_display(NodeWithStyle& root, Callback);
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| 
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|     template<CSS::DisplayInside, typename Callback>
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|     void for_each_in_tree_with_inside_display(NodeWithStyle& root, Callback);
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| 
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|     void fixup_tables(NodeWithStyle& root);
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|     void remove_irrelevant_boxes(NodeWithStyle& root);
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|     void generate_missing_child_wrappers(NodeWithStyle& root);
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|     Vector<JS::Handle<Box>> generate_missing_parents(NodeWithStyle& root);
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|     void missing_cells_fixup(Vector<JS::Handle<Box>> const&);
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| 
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|     enum class AppendOrPrepend {
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|         Append,
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|         Prepend,
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|     };
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|     void insert_node_into_inline_or_block_ancestor(Layout::Node&, CSS::Display, AppendOrPrepend);
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|     ErrorOr<void> create_pseudo_element_if_needed(DOM::Element&, CSS::Selector::PseudoElement, AppendOrPrepend);
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| 
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|     JS::GCPtr<Layout::Node> m_layout_root;
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|     Vector<JS::NonnullGCPtr<Layout::NodeWithStyle>> m_ancestor_stack;
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| };
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| 
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| }
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