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103 lines
4.1 KiB
C++
103 lines
4.1 KiB
C++
/*
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* Copyright (c) 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/Vector.h>
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#include <LibWeb/HTML/Navigable.h>
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#include <LibWeb/HTML/SessionHistoryTraversalQueue.h>
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#include <LibWeb/HTML/VisibilityState.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/document-sequences.html#traversable-navigable
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class TraversableNavigable final : public Navigable {
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JS_CELL(TraversableNavigable, Navigable);
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public:
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<TraversableNavigable>> create_a_new_top_level_traversable(Page&, JS::GCPtr<BrowsingContext> opener, String target_name);
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static WebIDL::ExceptionOr<JS::NonnullGCPtr<TraversableNavigable>> create_a_fresh_top_level_traversable(Page&, AK::URL const& initial_navigation_url, Variant<Empty, String, POSTResource> = Empty {});
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virtual ~TraversableNavigable() override;
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virtual bool is_top_level_traversable() const override;
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int current_session_history_step() const { return m_current_session_history_step; }
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Vector<JS::NonnullGCPtr<SessionHistoryEntry>>& session_history_entries() { return m_session_history_entries; }
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Vector<JS::NonnullGCPtr<SessionHistoryEntry>> const& session_history_entries() const { return m_session_history_entries; }
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bool running_nested_apply_history_step() const { return m_running_nested_apply_history_step; }
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VisibilityState system_visibility_state() const { return m_system_visibility_state; }
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void set_system_visibility_state(VisibilityState);
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struct HistoryObjectLengthAndIndex {
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u64 script_history_length;
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u64 script_history_index;
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};
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HistoryObjectLengthAndIndex get_the_history_object_length_and_index(int) const;
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void apply_the_reload_history_step();
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void apply_the_push_or_replace_history_step(int step);
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void update_for_navigable_creation_or_destruction();
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int get_the_used_step(int step) const;
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Vector<JS::Handle<Navigable>> get_all_navigables_whose_current_session_history_entry_will_change_or_reload(int) const;
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Vector<int> get_all_used_history_steps() const;
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void clear_the_forward_session_history();
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void traverse_the_history_by_delta(int delta);
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void close_top_level_traversable();
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void destroy_top_level_traversable();
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void append_session_history_traversal_steps(JS::SafeFunction<void()> steps)
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{
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m_session_history_traversal_queue.append(move(steps));
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}
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void process_session_history_traversal_queue()
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{
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m_session_history_traversal_queue.process();
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}
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Page* page() { return m_page; }
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Page const* page() const { return m_page; }
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private:
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TraversableNavigable(Page&);
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virtual void visit_edges(Cell::Visitor&) override;
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void apply_the_history_step(int step, Optional<SourceSnapshotParams> = {});
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// https://html.spec.whatwg.org/multipage/document-sequences.html#tn-current-session-history-step
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int m_current_session_history_step { 0 };
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// https://html.spec.whatwg.org/multipage/document-sequences.html#tn-session-history-entries
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Vector<JS::NonnullGCPtr<SessionHistoryEntry>> m_session_history_entries;
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// FIXME: https://html.spec.whatwg.org/multipage/document-sequences.html#tn-session-history-traversal-queue
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// https://html.spec.whatwg.org/multipage/document-sequences.html#tn-running-nested-apply-history-step
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bool m_running_nested_apply_history_step { false };
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// https://html.spec.whatwg.org/multipage/document-sequences.html#system-visibility-state
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VisibilityState m_system_visibility_state { VisibilityState::Visible };
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SessionHistoryTraversalQueue m_session_history_traversal_queue;
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WeakPtr<Page> m_page;
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};
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struct BrowsingContextAndDocument {
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JS::NonnullGCPtr<HTML::BrowsingContext> browsing_context;
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JS::NonnullGCPtr<DOM::Document> document;
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};
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WebIDL::ExceptionOr<BrowsingContextAndDocument> create_a_new_top_level_browsing_context_and_document(Page& page);
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void finalize_a_same_document_navigation(JS::NonnullGCPtr<TraversableNavigable> traversable, JS::NonnullGCPtr<Navigable> target_navigable, JS::NonnullGCPtr<SessionHistoryEntry> target_entry, JS::GCPtr<SessionHistoryEntry> entry_to_replace);
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}
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