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/*
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Vector.h>
#include <LibWeb/HTML/Navigable.h>
#include <LibWeb/HTML/VisibilityState.h>
namespace Web::HTML {
// https://html.spec.whatwg.org/multipage/document-sequences.html#traversable-navigable
class TraversableNavigable final : public Navigable {
JS_CELL(TraversableNavigable, Navigable);
public:
static WebIDL::ExceptionOr<JS::NonnullGCPtr<TraversableNavigable>> create_a_new_top_level_traversable(Page&, JS::GCPtr<BrowsingContext> opener, String target_name);
static WebIDL::ExceptionOr<JS::NonnullGCPtr<TraversableNavigable>> create_a_fresh_top_level_traversable(Page&, AK::URL const& initial_navigation_url, Variant<Empty, String, POSTResource> = Empty {});
virtual ~TraversableNavigable() override;
bool is_top_level_traversable() const;
int current_session_history_step() const { return m_current_session_history_step; };
Vector<JS::NonnullGCPtr<SessionHistoryEntry>>& session_history_entries() { return m_session_history_entries; };
Vector<JS::NonnullGCPtr<SessionHistoryEntry>> const& session_history_entries() const { return m_session_history_entries; };
bool running_nested_apply_history_step() const { return m_running_nested_apply_history_step; };
VisibilityState system_visibility_state() const { return m_system_visibility_state; };
Vector<int> get_all_used_history_steps() const;
void clear_the_forward_session_history();
private:
TraversableNavigable();
virtual void visit_edges(Cell::Visitor&) override;
// https://html.spec.whatwg.org/multipage/document-sequences.html#tn-current-session-history-step
int m_current_session_history_step { 0 };
// https://html.spec.whatwg.org/multipage/document-sequences.html#tn-session-history-entries
Vector<JS::NonnullGCPtr<SessionHistoryEntry>> m_session_history_entries;
// FIXME: https://html.spec.whatwg.org/multipage/document-sequences.html#tn-session-history-traversal-queue
// https://html.spec.whatwg.org/multipage/document-sequences.html#tn-running-nested-apply-history-step
bool m_running_nested_apply_history_step { false };
// https://html.spec.whatwg.org/multipage/document-sequences.html#system-visibility-state
VisibilityState m_system_visibility_state { VisibilityState::Visible };
};
}
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