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/*
* Copyright (C) 2011, 2012 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "AudioTrackList.h"
#if ENABLE(VIDEO)
#include "AudioTrack.h"
#include "ContextDestructionObserverInlines.h"
namespace WebCore {
AudioTrackList::AudioTrackList(ScriptExecutionContext* context)
: TrackListBase(context, TrackListBase::VideoTrackList)
{
}
AudioTrackList::~AudioTrackList() = default;
void AudioTrackList::append(Ref<AudioTrack>&& track)
{
// Insert tracks in the media file order.
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());
if (!track->trackList())
track->setTrackList(*this);
scheduleAddTrackEvent(WTFMove(track));
}
void AudioTrackList::remove(TrackBase& track, bool scheduleEvent)
{
auto& audioTrack = downcast<AudioTrack>(track);
if (audioTrack.trackList() == this)
audioTrack.clearTrackList();
TrackListBase::remove(track, scheduleEvent);
}
AudioTrack* AudioTrackList::item(unsigned index) const
{
if (index < m_inbandTracks.size())
return downcast<AudioTrack>(m_inbandTracks[index].get());
return nullptr;
}
AudioTrack* AudioTrackList::firstEnabled() const
{
for (auto& item : m_inbandTracks) {
if (item && item->enabled())
return downcast<AudioTrack>(item.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;
}
AudioTrack* AudioTrackList::getTrackById(TrackID id) const
{
for (auto& inbandTrack : m_inbandTracks) {
auto& track = downcast<AudioTrack>(*inbandTrack);
if (track.trackId() == id)
return &track;
}
return nullptr;
}
enum EventTargetInterfaceType AudioTrackList::eventTargetInterface() const
{
return EventTargetInterfaceType::AudioTrackList;
}
} // namespace WebCore
#endif
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