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https://github.com/LadybirdBrowser/ladybird.git
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c1cad8fa0e
Now that StyleProperties is only used to hold computed properties, let's name it ComputedProperties.
116 lines
4.2 KiB
C++
116 lines
4.2 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/HTMLFrameElementPrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/CSS/StyleValues/DisplayStyleValue.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/Event.h>
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#include <LibWeb/HTML/BrowsingContext.h>
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#include <LibWeb/HTML/EventNames.h>
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#include <LibWeb/HTML/HTMLFrameElement.h>
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#include <LibWeb/ReferrerPolicy/ReferrerPolicy.h>
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namespace Web::HTML {
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GC_DEFINE_ALLOCATOR(HTMLFrameElement);
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HTMLFrameElement::HTMLFrameElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: NavigableContainer(document, move(qualified_name))
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{
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// https://html.spec.whatwg.org/multipage/obsolete.html#frames:potentially-delays-the-load-event
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// The frame element potentially delays the load event.
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set_potentially_delays_the_load_event(true);
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}
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HTMLFrameElement::~HTMLFrameElement() = default;
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void HTMLFrameElement::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLFrameElement);
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}
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// https://html.spec.whatwg.org/multipage/obsolete.html#frames:html-element-insertion-steps
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void HTMLFrameElement::inserted()
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{
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Base::inserted();
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// 1. If insertedNode is not in a document tree, then return.
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if (!in_a_document_tree())
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return;
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// 2. If insertedNode's root's browsing context is null, then return.
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if (root().document().browsing_context() == nullptr)
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return;
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// 3. Create a new child navigable for insertedNode.
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MUST(create_new_child_navigable(GC::create_function(realm().heap(), [this] {
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// 4. Process the frame attributes for insertedNode, with initialInsertion set to true.
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process_the_frame_attributes(true);
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set_content_navigable_initialized();
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})));
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}
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// https://html.spec.whatwg.org/multipage/obsolete.html#frames:html-element-removing-steps
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void HTMLFrameElement::removed_from(DOM::Node* node)
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{
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Base::removed_from(node);
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// The frame HTML element removing steps, given removedNode, are to destroy a child navigable given removedNode.
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destroy_the_child_navigable();
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}
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// https://html.spec.whatwg.org/multipage/obsolete.html#frames:frame-3
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void HTMLFrameElement::attribute_changed(FlyString const& name, Optional<String> const& old_value, Optional<String> const& value, Optional<FlyString> const& namespace_)
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{
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Base::attribute_changed(name, old_value, value, namespace_);
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// Whenever a frame element with a non-null content navigable has its src attribute set, changed, or removed, the
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// user agent must process the frame attributes.
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if (content_navigable() && name == HTML::AttributeNames::src)
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process_the_frame_attributes();
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}
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// https://html.spec.whatwg.org/multipage/interaction.html#dom-tabindex
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i32 HTMLFrameElement::default_tab_index_value() const
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{
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// See the base function for the spec comments.
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return 0;
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}
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void HTMLFrameElement::adjust_computed_style(CSS::ComputedProperties& style)
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{
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// https://drafts.csswg.org/css-display-3/#unbox
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if (style.display().is_contents())
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style.set_property(CSS::PropertyID::Display, CSS::DisplayStyleValue::create(CSS::Display::from_short(CSS::Display::Short::None)));
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}
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// https://html.spec.whatwg.org/multipage/obsolete.html#process-the-frame-attributes
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void HTMLFrameElement::process_the_frame_attributes(bool initial_insertion)
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{
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// 1. Let url be the result of running the shared attribute processing steps for iframe and frame elements given
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// element and initialInsertion.
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auto url = shared_attribute_processing_steps_for_iframe_and_frame(initial_insertion);
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// 2. If url is null, then return.
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if (!url.has_value())
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return;
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// 3. If url matches about:blank and initialInsertion is true, then:
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if (url_matches_about_blank(*url) && initial_insertion) {
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// 1. Fire an event named load at element.
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dispatch_event(DOM::Event::create(realm(), HTML::EventNames::load));
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// 2. Return.
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return;
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}
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// 3. Navigate an iframe or frame given element, url, and the empty string.
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navigate_an_iframe_or_frame(*url, ReferrerPolicy::ReferrerPolicy::EmptyString);
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}
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}
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