ladybird/Libraries/LibWeb/HTML/TextTrackList.cpp
Shannon Booth f87041bf3a LibGC+Everywhere: Factor out a LibGC from LibJS
Resulting in a massive rename across almost everywhere! Alongside the
namespace change, we now have the following names:

 * JS::NonnullGCPtr -> GC::Ref
 * JS::GCPtr -> GC::Ptr
 * JS::HeapFunction -> GC::Function
 * JS::CellImpl -> GC::Cell
 * JS::Handle -> GC::Root
2024-11-15 14:49:20 +01:00

111 lines
3.6 KiB
C++

/*
* Copyright (c) 2024, Jamie Mansfield <jmansfield@cadixdev.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/Realm.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/Bindings/TextTrackListPrototype.h>
#include <LibWeb/HTML/EventNames.h>
#include <LibWeb/HTML/TextTrackList.h>
namespace Web::HTML {
GC_DEFINE_ALLOCATOR(TextTrackList);
TextTrackList::TextTrackList(JS::Realm& realm)
: DOM::EventTarget(realm, MayInterfereWithIndexedPropertyAccess::Yes)
{
}
TextTrackList::~TextTrackList() = default;
void TextTrackList::initialize(JS::Realm& realm)
{
Base::initialize(realm);
WEB_SET_PROTOTYPE_FOR_INTERFACE(TextTrackList);
}
void TextTrackList::visit_edges(JS::Cell::Visitor& visitor)
{
Base::visit_edges(visitor);
visitor.visit(m_text_tracks);
}
// https://html.spec.whatwg.org/multipage/media.html#dom-texttracklist-item
JS::ThrowCompletionOr<Optional<JS::PropertyDescriptor>> TextTrackList::internal_get_own_property(const JS::PropertyKey& property_name) const
{
// To determine the value of an indexed property of a TextTrackList object for a given index index, the user
// agent must return the indexth text track in the list represented by the TextTrackList object.
if (property_name.is_number()) {
if (auto index = property_name.as_number(); index < m_text_tracks.size()) {
JS::PropertyDescriptor descriptor;
descriptor.value = m_text_tracks.at(index);
return descriptor;
}
}
return Base::internal_get_own_property(property_name);
}
// https://html.spec.whatwg.org/multipage/media.html#dom-texttracklist-length
size_t TextTrackList::length() const
{
return m_text_tracks.size();
}
// https://html.spec.whatwg.org/multipage/media.html#dom-texttracklist-gettrackbyid
GC::Ptr<TextTrack> TextTrackList::get_track_by_id(StringView id) const
{
// The getTrackById(id) method must return the first TextTrack in the TextTrackList object whose id
// IDL attribute would return a value equal to the value of the id argument.
auto it = m_text_tracks.find_if([&](auto const& text_track) {
return text_track->id() == id;
});
// When no tracks match the given argument, the method must return null.
if (it == m_text_tracks.end())
return nullptr;
return *it;
}
// https://html.spec.whatwg.org/multipage/media.html#handler-texttracklist-onchange
void TextTrackList::set_onchange(WebIDL::CallbackType* event_handler)
{
set_event_handler_attribute(HTML::EventNames::change, event_handler);
}
// https://html.spec.whatwg.org/multipage/media.html#handler-texttracklist-onchange
WebIDL::CallbackType* TextTrackList::onchange()
{
return event_handler_attribute(HTML::EventNames::change);
}
// https://html.spec.whatwg.org/multipage/media.html#handler-texttracklist-onaddtrack
void TextTrackList::set_onaddtrack(WebIDL::CallbackType* event_handler)
{
set_event_handler_attribute(HTML::EventNames::addtrack, event_handler);
}
// https://html.spec.whatwg.org/multipage/media.html#handler-texttracklist-onaddtrack
WebIDL::CallbackType* TextTrackList::onaddtrack()
{
return event_handler_attribute(HTML::EventNames::addtrack);
}
// https://html.spec.whatwg.org/multipage/media.html#handler-texttracklist-onremovetrack
void TextTrackList::set_onremovetrack(WebIDL::CallbackType* event_handler)
{
set_event_handler_attribute(HTML::EventNames::removetrack, event_handler);
}
// https://html.spec.whatwg.org/multipage/media.html#handler-texttracklist-onremovetrack
WebIDL::CallbackType* TextTrackList::onremovetrack()
{
return event_handler_attribute(HTML::EventNames::removetrack);
}
}