/* * 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" #if ENABLE(VIDEO_TRACK) #include "VideoTrackList.h" #include "VideoTrack.h" using namespace WebCore; VideoTrackList::VideoTrackList(HTMLMediaElement* element, ScriptExecutionContext* context) : TrackListBase(element, context) { } VideoTrackList::~VideoTrackList() { } void VideoTrackList::append(Ref<VideoTrack>&& 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<VideoTrack>(*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)); } VideoTrack* VideoTrackList::item(unsigned index) const { if (index < m_inbandTracks.size()) return downcast<VideoTrack>(m_inbandTracks[index].get()); return nullptr; } VideoTrack* VideoTrackList::getTrackById(const AtomicString& id) const { for (auto& inbandTracks : m_inbandTracks) { auto& track = downcast<VideoTrack>(*inbandTracks); if (track.id() == id) return &track; } return nullptr; } int VideoTrackList::selectedIndex() const { // 4.8.10.10.1 AudioTrackList and VideoTrackList objects // The VideoTrackList.selectedIndex attribute must return the index of the // currently selected track, if any. If the VideoTrackList object does not // currently represent any tracks, or if none of the tracks are selected, // it must instead return −1. for (unsigned i = 0; i < length(); ++i) { if (downcast<VideoTrack>(*m_inbandTracks[i]).selected()) return i; } return -1; } EventTargetInterface VideoTrackList::eventTargetInterface() const { return VideoTrackListEventTargetInterfaceType; } #endif