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d36647427e
...and avoid telling the media element about it unless the track is actually associated. The media element should set its state later when it queries the status upon metadata parsing.
130 lines
4.2 KiB
C++
130 lines
4.2 KiB
C++
/*
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* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.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 <LibJS/Runtime/VM.h>
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#include <LibWeb/Bindings/AudioTrackList.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/HTML/AudioTrackList.h>
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#include <LibWeb/HTML/EventNames.h>
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namespace Web::HTML {
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GC_DEFINE_ALLOCATOR(AudioTrackList);
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AudioTrackList::AudioTrackList(JS::Realm& realm)
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: DOM::EventTarget(realm, MayInterfereWithIndexedPropertyAccess::Yes)
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{
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}
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void AudioTrackList::initialize(JS::Realm& realm)
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{
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WEB_SET_PROTOTYPE_FOR_INTERFACE(AudioTrackList);
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Base::initialize(realm);
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}
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// https://html.spec.whatwg.org/multipage/media.html#dom-tracklist-item
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JS::ThrowCompletionOr<Optional<JS::PropertyDescriptor>> AudioTrackList::internal_get_own_property(JS::PropertyKey const& property_name) const
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{
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// To determine the value of an indexed property for a given index index in an AudioTrackList or VideoTrackList
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// object list, the user agent must return the AudioTrack or VideoTrack object that represents the indexth track
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// in list.
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if (property_name.is_number()) {
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if (auto index = property_name.as_number(); index < m_audio_tracks.size()) {
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JS::PropertyDescriptor descriptor;
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descriptor.value = m_audio_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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void AudioTrackList::add_track(GC::Ref<AudioTrack> audio_track)
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{
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m_audio_tracks.append(audio_track);
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audio_track->set_audio_track_list({}, this);
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}
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void AudioTrackList::remove_all_tracks()
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{
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for (auto& audio_track : m_audio_tracks) {
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audio_track->set_enabled(false);
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audio_track->set_audio_track_list({}, nullptr);
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}
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m_audio_tracks.clear();
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}
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// https://html.spec.whatwg.org/multipage/media.html#dom-audiotracklist-gettrackbyid
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GC::Ptr<AudioTrack> AudioTrackList::get_track_by_id(StringView id) const
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{
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// The AudioTrackList getTrackById(id) and VideoTrackList getTrackById(id) methods must return the first AudioTrack
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// or VideoTrack object (respectively) in the AudioTrackList or VideoTrackList object (respectively) whose identifier
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// is equal to the value of the id argument (in the natural order of the list, as defined above).
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auto it = m_audio_tracks.find_if([&](auto const& audio_track) {
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return audio_track->id() == id;
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});
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// When no tracks match the given argument, the methods must return null.
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if (it == m_audio_tracks.end())
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return nullptr;
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return *it;
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}
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bool AudioTrackList::has_enabled_track() const
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{
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auto it = m_audio_tracks.find_if([&](auto const& audio_track) {
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return audio_track->enabled();
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});
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return it != m_audio_tracks.end();
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}
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// https://html.spec.whatwg.org/multipage/media.html#handler-tracklist-onchange
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void AudioTrackList::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-tracklist-onchange
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WebIDL::CallbackType* AudioTrackList::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-tracklist-onaddtrack
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void AudioTrackList::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-tracklist-onaddtrack
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WebIDL::CallbackType* AudioTrackList::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-tracklist-onremovetrack
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void AudioTrackList::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-tracklist-onremovetrack
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WebIDL::CallbackType* AudioTrackList::onremovetrack()
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{
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return event_handler_attribute(HTML::EventNames::removetrack);
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}
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void AudioTrackList::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_audio_tracks);
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}
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}
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