96f34d26c9
Use a zero-timer to schedule a style update after invalidating style on any node. Nodes now have a needs_style_update flag which helps us batch and coalesce the work. We also start style updates at the root and work our way through the document, updating any node that has the needs_style_update flag set. This is slower than what we were doing before, but far more correct. There is a ton of room for improvement here. :^)
105 lines
2.8 KiB
C++
105 lines
2.8 KiB
C++
#pragma once
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#include <AK/Function.h>
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#include <AK/NonnullRefPtrVector.h>
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#include <AK/OwnPtr.h>
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#include <AK/String.h>
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#include <AK/URL.h>
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#include <AK/WeakPtr.h>
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#include <LibHTML/CSS/StyleResolver.h>
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#include <LibHTML/CSS/StyleSheet.h>
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#include <LibHTML/DOM/ParentNode.h>
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class CTimer;
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class Frame;
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class HTMLBodyElement;
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class HTMLHtmlElement;
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class HTMLHeadElement;
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class LayoutDocument;
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class LayoutNode;
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class StyleResolver;
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class StyleSheet;
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class Document : public ParentNode {
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public:
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Document();
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virtual ~Document() override;
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void set_url(const URL& url) { m_url = url; }
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const URL& url() const { return m_url; }
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URL complete_url(const String&) const;
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void fixup();
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StyleResolver& style_resolver() { return *m_style_resolver; }
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const StyleResolver& style_resolver() const { return *m_style_resolver; }
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void add_sheet(const StyleSheet& sheet) { m_sheets.append(sheet); }
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const NonnullRefPtrVector<StyleSheet>& stylesheets() const { return m_sheets; }
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virtual String tag_name() const override { return "#document"; }
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void set_hovered_node(Node*);
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Node* hovered_node() { return m_hovered_node; }
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const Node* hovered_node() const { return m_hovered_node; }
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const HTMLHtmlElement* document_element() const;
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const HTMLHeadElement* head() const;
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const HTMLBodyElement* body() const;
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String title() const;
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void attach_to_frame(Badge<Frame>, Frame&);
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void detach_from_frame(Badge<Frame>, Frame&);
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Frame* frame() { return m_frame.ptr(); }
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const Frame* frame() const { return m_frame.ptr(); }
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Color background_color() const;
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RefPtr<GraphicsBitmap> background_image() const;
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Color link_color() const { return m_link_color; }
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void set_link_color(Color);
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Color active_link_color() const { return m_active_link_color; }
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void set_active_link_color(Color);
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Color visited_link_color() const { return m_visited_link_color; }
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void set_visited_link_color(Color);
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void layout();
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void update_style();
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void update_layout();
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Function<void()> on_layout_updated;
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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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void schedule_style_update();
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private:
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virtual RefPtr<LayoutNode> create_layout_node(const StyleProperties* parent_style) const override;
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OwnPtr<StyleResolver> m_style_resolver;
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NonnullRefPtrVector<StyleSheet> m_sheets;
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RefPtr<Node> m_hovered_node;
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WeakPtr<Frame> m_frame;
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URL m_url;
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RefPtr<LayoutDocument> m_layout_root;
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Color m_link_color { Color::Blue };
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Color m_active_link_color { Color::Red };
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Color m_visited_link_color { Color::Magenta };
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RefPtr<CTimer> m_style_update_timer;
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};
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template<>
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inline bool is<Document>(const Node& node)
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{
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return node.is_document();
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}
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