dbba0a520f
We will now spin in "the end" until there are no more "things delaying the load event". Of course, nothing actually uses this yet, and there are a lot of things that need to.
382 lines
14 KiB
C++
382 lines
14 KiB
C++
/*
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* Copyright (c) 2018-2021, 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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#pragma once
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#include <AK/FlyString.h>
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#include <AK/Function.h>
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#include <AK/HashMap.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 <LibCore/Forward.h>
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#include <LibJS/Forward.h>
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#include <LibWeb/Bindings/ScriptExecutionContext.h>
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#include <LibWeb/Bindings/WindowObject.h>
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#include <LibWeb/CSS/CSSStyleSheet.h>
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#include <LibWeb/CSS/StyleComputer.h>
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#include <LibWeb/CSS/StyleSheetList.h>
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#include <LibWeb/Cookie/Cookie.h>
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#include <LibWeb/DOM/DOMImplementation.h>
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#include <LibWeb/DOM/ExceptionOr.h>
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#include <LibWeb/DOM/NonElementParentNode.h>
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#include <LibWeb/DOM/ParentNode.h>
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#include <LibWeb/HTML/HTMLScriptElement.h>
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#include <LibWeb/HTML/History.h>
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namespace Web::DOM {
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enum class QuirksMode {
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No,
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Limited,
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Yes
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};
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class Document
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: public ParentNode
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, public NonElementParentNode<Document>
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, public HTML::GlobalEventHandlers
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, public Bindings::ScriptExecutionContext {
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public:
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using WrapperType = Bindings::DocumentWrapper;
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static NonnullRefPtr<Document> create(const AK::URL& url = "about:blank")
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{
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return adopt_ref(*new Document(url));
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}
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static NonnullRefPtr<Document> create_with_global_object(Bindings::WindowObject&)
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{
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return Document::create();
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}
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virtual ~Document() override;
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String cookie(Cookie::Source = Cookie::Source::NonHttp);
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void set_cookie(String, Cookie::Source = Cookie::Source::NonHttp);
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String referrer() const;
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bool should_invalidate_styles_on_attribute_changes() const { return m_should_invalidate_styles_on_attribute_changes; }
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void set_should_invalidate_styles_on_attribute_changes(bool b) { m_should_invalidate_styles_on_attribute_changes = b; }
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void set_url(const AK::URL& url) { m_url = url; }
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AK::URL url() const { return m_url; }
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Origin origin() const;
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void set_origin(const Origin& origin);
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bool is_scripting_enabled() const { return true; }
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AK::URL parse_url(String const&) const;
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CSS::StyleComputer& style_computer() { return *m_style_computer; }
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const CSS::StyleComputer& style_computer() const { return *m_style_computer; }
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CSS::StyleSheetList& style_sheets() { return *m_style_sheets; }
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const CSS::StyleSheetList& style_sheets() const { return *m_style_sheets; }
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NonnullRefPtr<CSS::StyleSheetList> style_sheets_for_bindings() { return *m_style_sheets; }
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virtual FlyString node_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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void set_inspected_node(Node*);
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Node* inspected_node() { return m_inspected_node; }
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const Node* inspected_node() const { return m_inspected_node; }
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Element* document_element();
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const Element* document_element() const;
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HTML::HTMLHtmlElement* html_element();
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HTML::HTMLHeadElement* head();
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HTML::HTMLElement* body();
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const HTML::HTMLHtmlElement* html_element() const
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{
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return const_cast<Document*>(this)->html_element();
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}
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const HTML::HTMLHeadElement* head() const
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{
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return const_cast<Document*>(this)->head();
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}
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const HTML::HTMLElement* body() const
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{
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return const_cast<Document*>(this)->body();
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}
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ExceptionOr<void> set_body(HTML::HTMLElement* new_body);
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String title() const;
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void set_title(const String&);
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void attach_to_browsing_context(Badge<BrowsingContext>, BrowsingContext&);
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void detach_from_browsing_context(Badge<BrowsingContext>, BrowsingContext&);
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BrowsingContext* browsing_context() { return m_browsing_context.ptr(); }
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const BrowsingContext* browsing_context() const { return m_browsing_context.ptr(); }
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Page* page();
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const Page* page() const;
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Color background_color(const Gfx::Palette&) const;
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RefPtr<Gfx::Bitmap> background_image() const;
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CSS::Repeat background_repeat_x() const;
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CSS::Repeat background_repeat_y() const;
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Color link_color() const;
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void set_link_color(Color);
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Color active_link_color() const;
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void set_active_link_color(Color);
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Color visited_link_color() const;
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void set_visited_link_color(Color);
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void force_layout();
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void invalidate_layout();
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void ensure_layout();
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void update_style();
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void update_layout();
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virtual bool is_child_allowed(const Node&) const override;
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const Layout::InitialContainingBlock* layout_node() const;
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Layout::InitialContainingBlock* layout_node();
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void schedule_style_update();
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void schedule_forced_layout();
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NonnullRefPtr<HTMLCollection> get_elements_by_name(String const&);
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NonnullRefPtr<HTMLCollection> get_elements_by_class_name(FlyString const&);
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NonnullRefPtr<HTMLCollection> applets();
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NonnullRefPtr<HTMLCollection> anchors();
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NonnullRefPtr<HTMLCollection> images();
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NonnullRefPtr<HTMLCollection> embeds();
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NonnullRefPtr<HTMLCollection> plugins();
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NonnullRefPtr<HTMLCollection> links();
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NonnullRefPtr<HTMLCollection> forms();
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NonnullRefPtr<HTMLCollection> scripts();
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const String& source() const { return m_source; }
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void set_source(const String& source) { m_source = source; }
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JS::Realm& realm();
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JS::Interpreter& interpreter();
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JS::Value run_javascript(const StringView& source, const StringView& filename = "(unknown)");
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NonnullRefPtr<Element> create_element(const String& tag_name);
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NonnullRefPtr<Element> create_element_ns(const String& namespace_, const String& qualifed_name);
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NonnullRefPtr<DocumentFragment> create_document_fragment();
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NonnullRefPtr<Text> create_text_node(const String& data);
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NonnullRefPtr<Comment> create_comment(const String& data);
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NonnullRefPtr<Range> create_range();
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NonnullRefPtr<Event> create_event(const String& interface);
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void set_pending_parsing_blocking_script(Badge<HTML::HTMLScriptElement>, HTML::HTMLScriptElement*);
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HTML::HTMLScriptElement* pending_parsing_blocking_script() { return m_pending_parsing_blocking_script; }
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NonnullRefPtr<HTML::HTMLScriptElement> take_pending_parsing_blocking_script(Badge<HTML::HTMLParser>);
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void add_script_to_execute_when_parsing_has_finished(Badge<HTML::HTMLScriptElement>, HTML::HTMLScriptElement&);
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NonnullRefPtrVector<HTML::HTMLScriptElement> take_scripts_to_execute_when_parsing_has_finished(Badge<HTML::HTMLParser>);
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NonnullRefPtrVector<HTML::HTMLScriptElement>& scripts_to_execute_when_parsing_has_finished() { return m_scripts_to_execute_when_parsing_has_finished; }
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void add_script_to_execute_as_soon_as_possible(Badge<HTML::HTMLScriptElement>, HTML::HTMLScriptElement&);
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NonnullRefPtrVector<HTML::HTMLScriptElement> take_scripts_to_execute_as_soon_as_possible(Badge<HTML::HTMLParser>);
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NonnullRefPtrVector<HTML::HTMLScriptElement>& scripts_to_execute_as_soon_as_possible() { return m_scripts_to_execute_as_soon_as_possible; }
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QuirksMode mode() const { return m_quirks_mode; }
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bool in_quirks_mode() const { return m_quirks_mode == QuirksMode::Yes; }
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void set_quirks_mode(QuirksMode mode) { m_quirks_mode = mode; }
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void adopt_node(Node&);
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ExceptionOr<NonnullRefPtr<Node>> adopt_node_binding(NonnullRefPtr<Node>);
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const DocumentType* doctype() const;
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const String& compat_mode() const;
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void set_editable(bool editable) { m_editable = editable; }
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virtual bool is_editable() const final;
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Element* focused_element() { return m_focused_element; }
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const Element* focused_element() const { return m_focused_element; }
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void set_focused_element(Element*);
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const Element* active_element() const { return m_active_element; }
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void set_active_element(Element*);
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bool created_for_appropriate_template_contents() const { return m_created_for_appropriate_template_contents; }
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void set_created_for_appropriate_template_contents(bool value) { m_created_for_appropriate_template_contents = value; }
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Document* associated_inert_template_document() { return m_associated_inert_template_document; }
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const Document* associated_inert_template_document() const { return m_associated_inert_template_document; }
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void set_associated_inert_template_document(Document& document) { m_associated_inert_template_document = document; }
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const String& ready_state() const { return m_ready_state; }
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void set_ready_state(const String&);
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void ref_from_node(Badge<Node>)
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{
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increment_referencing_node_count();
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}
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void unref_from_node(Badge<Node>)
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{
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decrement_referencing_node_count();
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}
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void removed_last_ref();
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Window& window() { return *m_window; }
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Window* default_view() { return m_window; }
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const String& content_type() const { return m_content_type; }
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void set_content_type(const String& content_type) { m_content_type = content_type; }
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bool has_encoding() const { return m_encoding.has_value(); }
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const Optional<String>& encoding() const { return m_encoding; }
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String encoding_or_default() const { return m_encoding.value_or("UTF-8"); }
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void set_encoding(const Optional<String>& encoding) { m_encoding = encoding; }
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// NOTE: These are intended for the JS bindings
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String character_set() const { return encoding_or_default(); }
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String charset() const { return encoding_or_default(); }
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String input_encoding() const { return encoding_or_default(); }
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bool ready_for_post_load_tasks() const { return m_ready_for_post_load_tasks; }
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void set_ready_for_post_load_tasks(bool ready) { m_ready_for_post_load_tasks = ready; }
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void completely_finish_loading();
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const NonnullRefPtr<DOMImplementation> implementation() const { return m_implementation; }
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RefPtr<HTML::HTMLScriptElement> current_script() const { return m_current_script; }
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void set_current_script(Badge<HTML::HTMLScriptElement>, RefPtr<HTML::HTMLScriptElement> script) { m_current_script = move(script); }
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u32 ignore_destructive_writes_counter() const { return m_ignore_destructive_writes_counter; }
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void increment_ignore_destructive_writes_counter() { m_ignore_destructive_writes_counter++; }
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void decrement_ignore_destructive_writes_counter() { m_ignore_destructive_writes_counter--; }
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virtual EventTarget* get_parent(const Event&) override;
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String dump_dom_tree_as_json() const;
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bool has_a_style_sheet_that_is_blocking_scripts() const;
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bool is_fully_active() const;
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bool is_active() const;
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NonnullRefPtr<HTML::History> history() const { return m_history; }
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Bindings::LocationObject* location();
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size_t number_of_things_delaying_the_load_event() { return m_number_of_things_delaying_the_load_event; }
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void increment_number_of_things_delaying_the_load_event(Badge<DocumentLoadEventDelayer>) { ++m_number_of_things_delaying_the_load_event; }
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void decrement_number_of_things_delaying_the_load_event(Badge<DocumentLoadEventDelayer>)
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{
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VERIFY(m_number_of_things_delaying_the_load_event);
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--m_number_of_things_delaying_the_load_event;
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}
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private:
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explicit Document(const AK::URL&);
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// ^DOM::Node
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virtual RefPtr<Layout::Node> create_layout_node() override;
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// ^HTML::GlobalEventHandlers
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virtual EventTarget& global_event_handlers_to_event_target() final { return *this; }
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void tear_down_layout_tree();
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void increment_referencing_node_count()
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{
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VERIFY(!m_deletion_has_begun);
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++m_referencing_node_count;
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}
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void decrement_referencing_node_count()
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{
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VERIFY(!m_deletion_has_begun);
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VERIFY(m_referencing_node_count);
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--m_referencing_node_count;
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if (!m_referencing_node_count && !ref_count()) {
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m_deletion_has_begun = true;
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delete this;
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}
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}
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unsigned m_referencing_node_count { 0 };
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OwnPtr<CSS::StyleComputer> m_style_computer;
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RefPtr<CSS::StyleSheetList> m_style_sheets;
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RefPtr<Node> m_hovered_node;
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RefPtr<Node> m_inspected_node;
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WeakPtr<BrowsingContext> m_browsing_context;
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AK::URL m_url;
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RefPtr<Window> m_window;
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RefPtr<Layout::InitialContainingBlock> m_layout_root;
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Optional<Color> m_link_color;
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Optional<Color> m_active_link_color;
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Optional<Color> m_visited_link_color;
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RefPtr<Core::Timer> m_style_update_timer;
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RefPtr<Core::Timer> m_forced_layout_timer;
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String m_source;
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OwnPtr<JS::Interpreter> m_interpreter;
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RefPtr<HTML::HTMLScriptElement> m_pending_parsing_blocking_script;
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NonnullRefPtrVector<HTML::HTMLScriptElement> m_scripts_to_execute_when_parsing_has_finished;
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NonnullRefPtrVector<HTML::HTMLScriptElement> m_scripts_to_execute_as_soon_as_possible;
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QuirksMode m_quirks_mode { QuirksMode::No };
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bool m_editable { false };
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WeakPtr<Element> m_focused_element;
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WeakPtr<Element> m_active_element;
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bool m_created_for_appropriate_template_contents { false };
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RefPtr<Document> m_associated_inert_template_document;
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String m_ready_state { "loading" };
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String m_content_type { "application/xml" };
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Optional<String> m_encoding;
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bool m_ready_for_post_load_tasks { false };
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NonnullRefPtr<DOMImplementation> m_implementation;
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RefPtr<HTML::HTMLScriptElement> m_current_script;
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bool m_should_invalidate_styles_on_attribute_changes { true };
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u32 m_ignore_destructive_writes_counter { 0 };
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// https://html.spec.whatwg.org/multipage/semantics.html#script-blocking-style-sheet-counter
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u32 m_script_blocking_style_sheet_counter { 0 };
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NonnullRefPtr<HTML::History> m_history;
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size_t m_number_of_things_delaying_the_load_event { 0 };
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};
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}
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