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- /*
- * Copyright (c) 2023, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
- #pragma once
- #include <AK/Vector.h>
- #include <LibCore/Timer.h>
- #include <LibJS/Forward.h>
- #include <LibJS/Heap/Cell.h>
- #include <LibJS/Heap/CellAllocator.h>
- #include <LibJS/Heap/GCPtr.h>
- #include <LibJS/Heap/HeapFunction.h>
- #include <LibJS/SafeFunction.h>
- #include <LibWeb/Forward.h>
- namespace Web::HTML {
- struct SessionHistoryTraversalQueueEntry : public JS::Cell {
- JS_CELL(SessionHistoryTraversalQueueEntry, JS::Cell);
- JS_DECLARE_ALLOCATOR(SessionHistoryTraversalQueueEntry);
- public:
- static JS::NonnullGCPtr<SessionHistoryTraversalQueueEntry> create(JS::VM& vm, Function<void()> steps, JS::GCPtr<HTML::Navigable> target_navigable);
- JS::GCPtr<HTML::Navigable> target_navigable() const { return m_target_navigable; }
- void execute_steps() const { m_steps->function()(); }
- private:
- SessionHistoryTraversalQueueEntry(JS::NonnullGCPtr<JS::HeapFunction<void()>> steps, JS::GCPtr<HTML::Navigable> target_navigable)
- : m_steps(steps)
- , m_target_navigable(target_navigable)
- {
- }
- virtual void visit_edges(Cell::Visitor&) override;
- JS::NonnullGCPtr<JS::HeapFunction<void()>> m_steps;
- JS::GCPtr<HTML::Navigable> m_target_navigable;
- };
- // https://html.spec.whatwg.org/multipage/document-sequences.html#tn-session-history-traversal-queue
- class SessionHistoryTraversalQueue : public JS::Cell {
- JS_CELL(SessionHistoryTraversalQueue, JS::Cell);
- JS_DECLARE_ALLOCATOR(SessionHistoryTraversalQueue);
- public:
- SessionHistoryTraversalQueue();
- void append(Function<void()> steps);
- void append_sync(Function<void()> steps, JS::GCPtr<Navigable> target_navigable);
- // https://html.spec.whatwg.org/multipage/browsing-the-web.html#sync-navigations-jump-queue
- JS::GCPtr<SessionHistoryTraversalQueueEntry> first_synchronous_navigation_steps_with_target_navigable_not_contained_in(Vector<JS::GCPtr<Navigable>> const& list);
- private:
- virtual void visit_edges(Cell::Visitor&) override;
- Vector<JS::NonnullGCPtr<SessionHistoryTraversalQueueEntry>> m_queue;
- RefPtr<Core::Timer> m_timer;
- bool m_is_task_running { false };
- };
- }
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