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a3149c1ce9
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/
88 lines
3.1 KiB
C++
88 lines
3.1 KiB
C++
/*
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* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
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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 <LibWeb/HTML/HTMLElement.h>
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#include <LibWeb/HTML/Navigable.h>
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namespace Web::HTML {
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class NavigableContainer : public HTMLElement {
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WEB_PLATFORM_OBJECT(NavigableContainer, HTMLElement);
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public:
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static JS::GCPtr<NavigableContainer> navigable_container_with_content_navigable(JS::NonnullGCPtr<Navigable> navigable);
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virtual ~NavigableContainer() override;
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static HashTable<NavigableContainer*>& all_instances();
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JS::GCPtr<Navigable> content_navigable() { return m_content_navigable; }
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JS::GCPtr<Navigable const> content_navigable() const { return m_content_navigable.ptr(); }
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BrowsingContext* nested_browsing_context()
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{
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if (m_content_navigable)
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return m_content_navigable->active_browsing_context();
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return nullptr;
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}
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BrowsingContext const* nested_browsing_context() const
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{
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if (m_content_navigable)
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return m_content_navigable->active_browsing_context();
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return nullptr;
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}
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const DOM::Document* content_document() const;
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DOM::Document const* content_document_without_origin_check() const;
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HTML::WindowProxy* content_window();
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DOM::Document const* get_svg_document() const;
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void destroy_the_child_navigable();
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// All elements that extend NavigableContainer "potentially delay the load event".
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// (embed, frame, iframe, and object)
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// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#potentially-delays-the-load-event
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bool currently_delays_the_load_event() const;
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bool content_navigable_initialized() const { return m_content_navigable_initialized; }
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protected:
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NavigableContainer(DOM::Document&, DOM::QualifiedName);
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virtual void visit_edges(Cell::Visitor&) override;
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// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#shared-attribute-processing-steps-for-iframe-and-frame-elements
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Optional<URL::URL> shared_attribute_processing_steps_for_iframe_and_frame(bool initial_insertion);
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// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#navigate-an-iframe-or-frame
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void navigate_an_iframe_or_frame(URL::URL url, ReferrerPolicy::ReferrerPolicy referrer_policy, Optional<String> srcdoc_string = {});
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WebIDL::ExceptionOr<void> create_new_child_navigable(JS::SafeFunction<void()> afterSessionHistoryUpdate = {});
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// https://html.spec.whatwg.org/multipage/document-sequences.html#content-navigable
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JS::GCPtr<Navigable> m_content_navigable { nullptr };
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void set_potentially_delays_the_load_event(bool value) { m_potentially_delays_the_load_event = value; }
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void set_content_navigable_initialized() { m_content_navigable_initialized = true; }
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private:
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virtual bool is_navigable_container() const override { return true; }
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bool m_potentially_delays_the_load_event { true };
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bool m_content_navigable_initialized { false };
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};
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}
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namespace Web::DOM {
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template<>
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inline bool Node::fast_is<HTML::NavigableContainer>() const { return is_navigable_container(); }
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}
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