67 lines
2.8 KiB
C++
67 lines
2.8 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/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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bool is_top_level_traversable() const;
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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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struct HistoryObjectLengthAndIndex {
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size_t script_history_length;
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size_t 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_history_step(int step, Optional<SourceSnapshotParams> = {});
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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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private:
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TraversableNavigable();
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virtual void visit_edges(Cell::Visitor&) override;
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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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};
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}
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