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Code Issues Projects Releases Packages Wiki Activity Actions 9

LibWeb: Add special "potentially delay the load event" logic for iframes

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`<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!
This commit is contained in:
Sam Atkins 2023-11-24 15:54:57 +00:00 • committed by Andreas Kling
parent 7f509317fd
commit 72376ad15a
Notes: sideshowbarker 2024-07-17 01:04:03 +09:00
2 changed files with 14 additions and 5 deletions
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17
Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.cpp
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@ -69,7 +69,7 @@ void HTMLIFrameElement::process_the_iframe_attributes(bool initial_insertion)
// 1. If element's srcdoc attribute is specified, then:
if (has_attribute(HTML::AttributeNames::srcdoc)) {
// 1. Set element's current navigation was lazy loaded boolean to false.
m_current_navigation_was_lazy_loaded = false;
set_current_navigation_was_lazy_loaded(false);
// 2. If the will lazy load element steps given element return true, then:
if (will_lazy_load_element()) {
@ -82,7 +82,7 @@ void HTMLIFrameElement::process_the_iframe_attributes(bool initial_insertion)
});
// 2. Set element's current navigation was lazy loaded boolean to true.
m_current_navigation_was_lazy_loaded = true;
set_current_navigation_was_lazy_loaded(true);
// 3. Start intersection-observing a lazy loading element for element.
document().start_intersection_observing_a_lazy_loading_element(*this);
@ -120,7 +120,7 @@ void HTMLIFrameElement::process_the_iframe_attributes(bool initial_insertion)
auto referrer_policy = ReferrerPolicy::ReferrerPolicy::EmptyString;
// 5. Set element's current navigation was lazy loaded boolean to false.
m_current_navigation_was_lazy_loaded = false;
set_current_navigation_was_lazy_loaded(false);
// 6. If the will lazy load element steps given element return true, then:
if (will_lazy_load_element()) {
@ -131,7 +131,7 @@ void HTMLIFrameElement::process_the_iframe_attributes(bool initial_insertion)
});
// 2. Set element's current navigation was lazy loaded boolean to true.
m_current_navigation_was_lazy_loaded = true;
set_current_navigation_was_lazy_loaded(true);
// 3. Start intersection-observing a lazy loading element for element.
document().start_intersection_observing_a_lazy_loading_element(*this);
@ -203,4 +203,13 @@ void HTMLIFrameElement::visit_edges(Cell::Visitor& visitor)
visit_lazy_loading_element(visitor);
}
void HTMLIFrameElement::set_current_navigation_was_lazy_loaded(bool value)
{
m_current_navigation_was_lazy_loaded = value;
// An iframe element whose current navigation was lazy loaded boolean is false potentially delays the load event.
// https://html.spec.whatwg.org/multipage/iframe-embed-object.html#the-iframe-element:potentially-delays-the-load-event
set_potentially_delays_the_load_event(!value);
}
}