ladybird/Userland/Libraries/LibWeb/HTML/NavigableContainer.h
Aliaksandr Kalenik a3149c1ce9 LibWeb: Wait for initial navigation to complete before modifying iframe
If initial src of an iframe is "about:blank", it does synchronous
navigation that is not supposed to be interleaved by other navigation
or usage of Document.open().

Fixes crashing in navigation on https://twinings.co.uk/
2024-04-08 09:07:18 +02:00

88 lines
3.1 KiB
C++

/*
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/HTML/HTMLElement.h>
#include <LibWeb/HTML/Navigable.h>
namespace Web::HTML {
class NavigableContainer : public HTMLElement {
WEB_PLATFORM_OBJECT(NavigableContainer, HTMLElement);
public:
static JS::GCPtr<NavigableContainer> navigable_container_with_content_navigable(JS::NonnullGCPtr<Navigable> navigable);
virtual ~NavigableContainer() override;
static HashTable<NavigableContainer*>& all_instances();
JS::GCPtr<Navigable> content_navigable() { return m_content_navigable; }
JS::GCPtr<Navigable const> content_navigable() const { return m_content_navigable.ptr(); }
BrowsingContext* nested_browsing_context()
{
if (m_content_navigable)
return m_content_navigable->active_browsing_context();
return nullptr;
}
BrowsingContext const* nested_browsing_context() const
{
if (m_content_navigable)
return m_content_navigable->active_browsing_context();
return nullptr;
}
const DOM::Document* content_document() const;
DOM::Document const* content_document_without_origin_check() const;
HTML::WindowProxy* content_window();
DOM::Document const* get_svg_document() const;
void destroy_the_child_navigable();
// All elements that extend NavigableContainer "potentially delay the load event".
// (embed, frame, iframe, and object)
// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#potentially-delays-the-load-event
bool currently_delays_the_load_event() const;
bool content_navigable_initialized() const { return m_content_navigable_initialized; }
protected:
NavigableContainer(DOM::Document&, DOM::QualifiedName);
virtual void visit_edges(Cell::Visitor&) override;
// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#shared-attribute-processing-steps-for-iframe-and-frame-elements
Optional<URL::URL> shared_attribute_processing_steps_for_iframe_and_frame(bool initial_insertion);
// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#navigate-an-iframe-or-frame
void navigate_an_iframe_or_frame(URL::URL url, ReferrerPolicy::ReferrerPolicy referrer_policy, Optional<String> srcdoc_string = {});
WebIDL::ExceptionOr<void> create_new_child_navigable(JS::SafeFunction<void()> afterSessionHistoryUpdate = {});
// https://html.spec.whatwg.org/multipage/document-sequences.html#content-navigable
JS::GCPtr<Navigable> m_content_navigable { nullptr };
void set_potentially_delays_the_load_event(bool value) { m_potentially_delays_the_load_event = value; }
void set_content_navigable_initialized() { m_content_navigable_initialized = true; }
private:
virtual bool is_navigable_container() const override { return true; }
bool m_potentially_delays_the_load_event { true };
bool m_content_navigable_initialized { false };
};
}
namespace Web::DOM {
template<>
inline bool Node::fast_is<HTML::NavigableContainer>() const { return is_navigable_container(); }
}