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https://github.com/LadybirdBrowser/ladybird.git
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bf0bc62654
Similar to commit c2cf65adac, we should
avoid spinning the event loop from the WebContent-side of the WebDriver
connection. This can result in deadlocks if another component in LibWeb
also spins the event loop.
The AO to await navigations has two event loop spinners - waiting for
the navigation to complete and for the document to reach the target
readiness state. We now use NavigationObserver and DocumentObserver to
be notified when these conditions are met. And we use the same async IPC
mechanism as script execution to notify the WebDriver process when all
conditions are met (or timed out).
60 lines
1.1 KiB
C++
60 lines
1.1 KiB
C++
/*
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* Copyright (c) 2024, Tim Flynn <trflynn89@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibCore/Timer.h>
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#include <LibWeb/WebDriver/HeapTimer.h>
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namespace Web::WebDriver {
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JS_DEFINE_ALLOCATOR(HeapTimer);
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HeapTimer::HeapTimer()
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: m_timer(Core::Timer::create())
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{
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}
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HeapTimer::~HeapTimer() = default;
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void HeapTimer::visit_edges(JS::Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_on_timeout);
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}
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void HeapTimer::start(u64 timeout_ms, JS::NonnullGCPtr<JS::HeapFunction<void()>> on_timeout)
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{
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m_on_timeout = on_timeout;
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m_timer->on_timeout = [this]() {
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m_timed_out = true;
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if (m_on_timeout) {
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m_on_timeout->function()();
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m_on_timeout = nullptr;
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}
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};
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m_timer->set_interval(static_cast<int>(timeout_ms));
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m_timer->set_single_shot(true);
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m_timer->start();
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}
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void HeapTimer::stop_and_fire_timeout_handler()
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{
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auto on_timeout = m_on_timeout;
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stop();
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if (on_timeout)
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on_timeout->function()();
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}
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void HeapTimer::stop()
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{
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m_on_timeout = nullptr;
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m_timer->stop();
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}
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}
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