AudioTrackList.cpp [plain text]
#include "config.h"
#if ENABLE(VIDEO)
#include "AudioTrackList.h"
#include "AudioTrack.h"
#include "HTMLMediaElement.h"
namespace WebCore {
AudioTrackList::AudioTrackList(WeakPtr<HTMLMediaElement> element, ScriptExecutionContext* context)
: TrackListBase(element, context)
{
}
AudioTrackList::~AudioTrackList() = default;
void AudioTrackList::append(Ref<AudioTrack>&& track)
{
size_t index = track->inbandTrackIndex();
size_t insertionIndex;
for (insertionIndex = 0; insertionIndex < m_inbandTracks.size(); ++insertionIndex) {
auto& otherTrack = downcast<AudioTrack>(*m_inbandTracks[insertionIndex]);
if (otherTrack.inbandTrackIndex() > index)
break;
}
m_inbandTracks.insert(insertionIndex, track.ptr());
ASSERT(!track->mediaElement() || track->mediaElement() == mediaElement());
track->setMediaElement(mediaElement());
scheduleAddTrackEvent(WTFMove(track));
}
AudioTrack* AudioTrackList::item(unsigned index) const
{
if (index < m_inbandTracks.size())
return downcast<AudioTrack>(m_inbandTracks[index].get());
return nullptr;
}
AudioTrack* AudioTrackList::getTrackById(const AtomString& id) const
{
for (auto& inbandTrack : m_inbandTracks) {
auto& track = downcast<AudioTrack>(*inbandTrack);
if (track.id() == id)
return &track;
}
return nullptr;
}
EventTargetInterface AudioTrackList::eventTargetInterface() const
{
return AudioTrackListEventTargetInterfaceType;
}
const char* AudioTrackList::activeDOMObjectName() const
{
return "AudioTrackList";
}
} #endif