ladybird/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.h
Sam Atkins 72376ad15a LibWeb: Add special "potentially delay the load event" logic for iframes
`<iframe>`s only potentially delay the load event when their
`current_navigation_was_lazy_loaded` flag is false, so let's wire that
up to the flag's setter, and actually call it!
2023-12-01 10:28:02 +01:00

61 lines
2.2 KiB
C++

/*
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/HTML/LazyLoadingElement.h>
#include <LibWeb/HTML/NavigableContainer.h>
namespace Web::HTML {
class HTMLIFrameElement final
: public NavigableContainer
, public LazyLoadingElement<HTMLIFrameElement> {
WEB_PLATFORM_OBJECT(HTMLIFrameElement, NavigableContainer);
LAZY_LOADING_ELEMENT(HTMLIFrameElement);
JS_DECLARE_ALLOCATOR(HTMLIFrameElement);
public:
virtual ~HTMLIFrameElement() override;
virtual JS::GCPtr<Layout::Node> create_layout_node(NonnullRefPtr<CSS::StyleProperties>) override;
void set_current_navigation_was_lazy_loaded(bool value);
Optional<HighResolutionTime::DOMHighResTimeStamp> const& pending_resource_start_time() const { return m_pending_resource_start_time; }
void set_pending_resource_start_time(Optional<HighResolutionTime::DOMHighResTimeStamp> time) { m_pending_resource_start_time = time; }
virtual void apply_presentational_hints(CSS::StyleProperties&) const override;
virtual void visit_edges(Cell::Visitor&) override;
private:
HTMLIFrameElement(DOM::Document&, DOM::QualifiedName);
virtual void initialize(JS::Realm&) override;
// ^DOM::Element
virtual void inserted() override;
virtual void removed_from(Node*) override;
virtual void attribute_changed(FlyString const& name, Optional<String> const& value) override;
virtual i32 default_tab_index_value() const override;
// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#process-the-iframe-attributes
void process_the_iframe_attributes(bool initial_insertion = false);
// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#current-navigation-was-lazy-loaded
bool m_current_navigation_was_lazy_loaded { false };
// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#iframe-pending-resource-timing-start-time
Optional<HighResolutionTime::DOMHighResTimeStamp> m_pending_resource_start_time = {};
};
void run_iframe_load_event_steps(HTML::HTMLIFrameElement&);
}