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