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ad04d7ac9b
This is a concept fully defined in the Web IDL spec and doesn't belong in the DOM directory/namespace - not even DOMException, despite the name :^)
226 lines
8.4 KiB
C++
226 lines
8.4 KiB
C++
/*
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* Copyright (c) 2018-2022, 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/Function.h>
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#include <AK/Noncopyable.h>
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#include <AK/RefPtr.h>
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#include <AK/WeakPtr.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/Rect.h>
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#include <LibGfx/Size.h>
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#include <LibWeb/DOM/Position.h>
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#include <LibWeb/HTML/BrowsingContextContainer.h>
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#include <LibWeb/HTML/HistoryHandlingBehavior.h>
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#include <LibWeb/HTML/Origin.h>
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#include <LibWeb/HTML/SessionHistoryEntry.h>
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#include <LibWeb/HTML/VisibilityState.h>
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#include <LibWeb/Loader/FrameLoader.h>
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#include <LibWeb/Page/EventHandler.h>
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#include <LibWeb/Platform/Timer.h>
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#include <LibWeb/TreeNode.h>
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namespace Web::HTML {
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class BrowsingContext : public TreeNode<BrowsingContext> {
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public:
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static NonnullRefPtr<BrowsingContext> create_a_new_browsing_context(Page&, JS::GCPtr<DOM::Document> creator, JS::GCPtr<DOM::Element> embedder, BrowsingContextGroup&);
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static NonnullRefPtr<BrowsingContext> create_a_new_top_level_browsing_context(Page&);
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~BrowsingContext();
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class ViewportClient {
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public:
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virtual ~ViewportClient() = default;
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virtual void browsing_context_did_set_viewport_rect(Gfx::IntRect const&) = 0;
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};
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void register_viewport_client(ViewportClient&);
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void unregister_viewport_client(ViewportClient&);
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bool is_top_level() const;
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bool is_focused_context() const;
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DOM::Document const* active_document() const;
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DOM::Document* active_document();
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void set_active_document(JS::NonnullGCPtr<DOM::Document>);
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HTML::Window* active_window();
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HTML::Window const* active_window() const;
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Page* page() { return m_page; }
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Page const* page() const { return m_page; }
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Gfx::IntSize const& size() const { return m_size; }
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void set_size(Gfx::IntSize const&);
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void set_needs_display();
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void set_needs_display(Gfx::IntRect const&);
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Gfx::IntPoint const& viewport_scroll_offset() const { return m_viewport_scroll_offset; }
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Gfx::IntRect viewport_rect() const { return { m_viewport_scroll_offset, m_size }; }
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void set_viewport_rect(Gfx::IntRect const&);
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FrameLoader& loader() { return m_loader; }
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FrameLoader const& loader() const { return m_loader; }
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Web::EventHandler& event_handler() { return m_event_handler; }
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Web::EventHandler const& event_handler() const { return m_event_handler; }
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void scroll_to(Gfx::IntPoint const&);
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void scroll_to_anchor(String const&);
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BrowsingContext& top_level_browsing_context()
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{
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BrowsingContext* context = this;
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while (context->parent())
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context = context->parent();
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return *context;
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}
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BrowsingContext const& top_level_browsing_context() const { return const_cast<BrowsingContext*>(this)->top_level_browsing_context(); }
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BrowsingContext* choose_a_browsing_context(StringView name, bool noopener);
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size_t document_tree_child_browsing_context_count() const;
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bool is_child_of(BrowsingContext const&) const;
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HTML::BrowsingContextContainer* container() { return m_container; }
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HTML::BrowsingContextContainer const* container() const { return m_container; }
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Gfx::IntPoint to_top_level_position(Gfx::IntPoint const&);
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Gfx::IntRect to_top_level_rect(Gfx::IntRect const&);
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DOM::Position const& cursor_position() const { return m_cursor_position; }
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void set_cursor_position(DOM::Position);
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bool increment_cursor_position_offset();
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bool decrement_cursor_position_offset();
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bool cursor_blink_state() const { return m_cursor_blink_state; }
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String selected_text() const;
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void select_all();
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void did_edit(Badge<EditEventHandler>);
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void register_frame_nesting(AK::URL const&);
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bool is_frame_nesting_allowed(AK::URL const&) const;
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void set_frame_nesting_levels(HashMap<AK::URL, size_t> frame_nesting_levels) { m_frame_nesting_levels = move(frame_nesting_levels); };
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HashMap<AK::URL, size_t> const& frame_nesting_levels() const { return m_frame_nesting_levels; }
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DOM::Document* container_document();
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DOM::Document const* container_document() const;
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bool has_a_rendering_opportunity() const;
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JS::GCPtr<DOM::Node> currently_focused_area();
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String const& name() const { return m_name; }
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void set_name(String const& name) { m_name = name; }
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Vector<SessionHistoryEntry>& session_history() { return m_session_history; }
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Vector<SessionHistoryEntry> const& session_history() const { return m_session_history; }
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// https://html.spec.whatwg.org/multipage/dom.html#still-on-its-initial-about:blank-document
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bool still_on_its_initial_about_blank_document() const;
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BrowsingContextGroup* group();
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void set_group(BrowsingContextGroup*);
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// https://html.spec.whatwg.org/multipage/browsers.html#bcg-remove
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void remove();
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// https://html.spec.whatwg.org/multipage/browsers.html#allowed-to-navigate
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bool is_allowed_to_navigate(BrowsingContext const&) const;
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#navigate
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WebIDL::ExceptionOr<void> navigate(
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Fetch::Infrastructure::Request resource,
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BrowsingContext& source_browsing_context,
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bool exceptions_enabled = false,
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HistoryHandlingBehavior history_handling = HistoryHandlingBehavior::Default,
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Optional<PolicyContainer> history_policy_container = {},
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String navigation_type = "other",
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Optional<String> navigation_id = {},
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Function<void(NonnullOwnPtr<Fetch::Infrastructure::Response>)> process_response_end_of_body = {});
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#navigate-fragid
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WebIDL::ExceptionOr<void> navigate_to_a_fragment(AK::URL const&, HistoryHandlingBehavior, String navigation_id);
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// https://html.spec.whatwg.org/multipage/origin.html#one-permitted-sandboxed-navigator
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BrowsingContext const* the_one_permitted_sandboxed_navigator() const;
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// https://html.spec.whatwg.org/multipage/browsing-the-web.html#traverse-the-history
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WebIDL::ExceptionOr<void> traverse_the_history(size_t entry_index, HistoryHandlingBehavior = HistoryHandlingBehavior::Default, bool explicit_history_navigation = false);
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Vector<JS::Handle<DOM::Document>> document_family() const;
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bool document_family_contains(DOM::Document const&) const;
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VisibilityState system_visibility_state() const;
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void set_system_visibility_state(VisibilityState);
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// https://html.spec.whatwg.org/multipage/window-object.html#a-browsing-context-is-discarded
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void discard();
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// https://html.spec.whatwg.org/multipage/window-object.html#close-a-browsing-context
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void close();
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private:
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explicit BrowsingContext(Page&, HTML::BrowsingContextContainer*);
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void reset_cursor_blink_cycle();
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void scroll_offset_did_change();
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WeakPtr<Page> m_page;
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FrameLoader m_loader;
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Web::EventHandler m_event_handler;
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// https://html.spec.whatwg.org/multipage/history.html#current-entry
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SessionHistoryEntry& current_entry() { return m_session_history[*m_session_history_index]; }
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SessionHistoryEntry const& current_entry() const { return m_session_history[*m_session_history_index]; }
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Optional<size_t> m_session_history_index { 0 };
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// https://html.spec.whatwg.org/multipage/history.html#session-history
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Vector<SessionHistoryEntry> m_session_history;
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// https://html.spec.whatwg.org/multipage/browsers.html#creator-url
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Optional<AK::URL> m_creator_url;
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// https://html.spec.whatwg.org/multipage/browsers.html#creator-base-url
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Optional<AK::URL> m_creator_base_url;
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// https://html.spec.whatwg.org/multipage/browsers.html#creator-origin
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Optional<HTML::Origin> m_creator_origin;
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WeakPtr<HTML::BrowsingContextContainer> m_container;
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JS::Handle<HTML::Window> m_active_window;
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Gfx::IntSize m_size;
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Gfx::IntPoint m_viewport_scroll_offset;
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DOM::Position m_cursor_position;
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RefPtr<Platform::Timer> m_cursor_blink_timer;
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bool m_cursor_blink_state { false };
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HashTable<ViewportClient*> m_viewport_clients;
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HashMap<AK::URL, size_t> m_frame_nesting_levels;
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String m_name;
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// https://html.spec.whatwg.org/multipage/browsers.html#tlbc-group
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RefPtr<BrowsingContextGroup> m_group;
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// https://html.spec.whatwg.org/multipage/interaction.html#system-visibility-state
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VisibilityState m_system_visibility_state { VisibilityState::Hidden };
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};
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HTML::Origin determine_the_origin(BrowsingContext const& browsing_context, Optional<AK::URL> url, SandboxingFlagSet sandbox_flags, Optional<HTML::Origin> invocation_origin);
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}
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