ladybird/Libraries/LibWeb/HTML/HTMLSourceElement.cpp
Sam Atkins dea5fde3f9 LibWeb/HTML: Fix source insertion/removal steps
Corresponds to be5f269ca8

We don't yet implement "moving steps" so that's left for when we do.
2025-03-19 13:52:20 +00:00

61 lines
2.2 KiB
C++

/*
* Copyright (c) 2020, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibWeb/Bindings/HTMLSourceElementPrototype.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/HTML/AttributeNames.h>
#include <LibWeb/HTML/HTMLMediaElement.h>
#include <LibWeb/HTML/HTMLSourceElement.h>
namespace Web::HTML {
GC_DEFINE_ALLOCATOR(HTMLSourceElement);
HTMLSourceElement::HTMLSourceElement(DOM::Document& document, DOM::QualifiedName qualified_name)
: HTMLElement(document, move(qualified_name))
{
}
HTMLSourceElement::~HTMLSourceElement() = default;
void HTMLSourceElement::initialize(JS::Realm& realm)
{
Base::initialize(realm);
WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLSourceElement);
}
// https://html.spec.whatwg.org/multipage/embedded-content.html#the-source-element:html-element-insertion-steps
void HTMLSourceElement::inserted()
{
// The source HTML element insertion steps, given insertedNode, are:
Base::inserted();
// 1. Let parent be insertedNode's parent.
auto* parent = this->parent();
// 2. If parent is a media element that has no src attribute and whose networkState has the value NETWORK_EMPTY,
// then invoke that media element's resource selection algorithm.
if (auto* media_element = as_if<HTMLMediaElement>(parent); media_element
&& !media_element->has_attribute(HTML::AttributeNames::src)
&& media_element->network_state() == HTMLMediaElement::NetworkState::Empty) {
media_element->select_resource().release_value_but_fixme_should_propagate_errors();
}
// FIXME: 3. If parent is a picture element, then for each child of parent's children, if child is an img element, then
// count this as a relevant mutation for child.
}
// https://html.spec.whatwg.org/multipage/embedded-content.html#the-source-element:html-element-removing-steps
void HTMLSourceElement::removed_from(DOM::Node* old_parent, DOM::Node& old_root)
{
// The source HTML element removing steps, given removedNode and oldParent, are:
Base::removed_from(old_parent, old_root);
// FIXME: 1. If oldParent is a picture element, then for each child of oldParent's children, if child is an img
// element, then count this as a relevant mutation for child.
}
}