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9b16e5373d
This is not in the spec, but we need to make sure that "apply the history step" for initial navigation to about:blank in iframe is applied before subsequent navigations. Otherwise, "set ongoing navigation" call during "about:blank" traversal might abort subsequent ongoing navigation which is not expected to happen.
47 lines
1 KiB
C++
47 lines
1 KiB
C++
/*
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* Copyright (c) 2023, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
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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 <LibCore/Timer.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/document-sequences.html#tn-session-history-traversal-queue
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class SessionHistoryTraversalQueue {
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public:
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SessionHistoryTraversalQueue()
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{
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m_timer = Core::Timer::create_single_shot(0, [this] {
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while (m_queue.size() > 0) {
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auto steps = m_queue.take_first();
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steps();
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}
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}).release_value_but_fixme_should_propagate_errors();
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}
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void append(JS::SafeFunction<void()> steps)
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{
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m_queue.append(move(steps));
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if (!m_timer->is_active()) {
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m_timer->start();
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}
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}
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void process()
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{
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while (m_queue.size() > 0) {
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auto steps = m_queue.take_first();
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steps();
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}
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}
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private:
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Vector<JS::SafeFunction<void()>> m_queue;
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RefPtr<Core::Timer> m_timer;
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};
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}
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