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LibWeb: Add a NavigationObserver to be notified of navigable updates

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This contains a hook to be notified when a navigable navigation is
complete, to be used by WebDriver.
This commit is contained in:
Timothy Flynn
2024-10-25 10:26:01 -04:00
committed by Andreas Kling
parent 247307a2a2
commit 74ef9dc393
Notes: github-actions[bot] 2024-10-26 09:26:57 +00:00 
Author: https://github.com/trflynn89
Commit: https://github.com/LadybirdBrowser/ladybird/commit/74ef9dc3936
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/1967
6 changed files with 105 additions and 0 deletions
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43
Userland/Libraries/LibWeb/HTML/NavigationObserver.cpp Normal file
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/*
* Copyright (c) 2024, Tim Flynn <trflynn89@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/Realm.h>
#include <LibWeb/HTML/Navigable.h>
#include <LibWeb/HTML/NavigationObserver.h>
namespace Web::HTML {
JS_DEFINE_ALLOCATOR(NavigationObserver);
NavigationObserver::NavigationObserver(JS::Realm& realm, Navigable& navigable)
: Bindings::PlatformObject(realm)
, m_navigable(navigable)
{
m_navigable->register_navigation_observer({}, *this);
}
void NavigationObserver::visit_edges(Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_navigable);
visitor.visit(m_navigation_complete);
}
void NavigationObserver::finalize()
{
Base::finalize();
m_navigable->unregister_navigation_observer({}, *this);
}
void NavigationObserver::set_navigation_complete(Function<void()> callback)
{
if (callback)
m_navigation_complete = JS::create_heap_function(vm().heap(), move(callback));
else
m_navigation_complete = nullptr;
}
}