1/* 2 * Copyright (C) 2011, 2012 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27 28#if ENABLE(VIDEO_TRACK) 29 30#include "VideoTrackList.h" 31 32#include "EventNames.h" 33#include "VideoTrack.h" 34 35using namespace WebCore; 36 37VideoTrackList::VideoTrackList(HTMLMediaElement* element, ScriptExecutionContext* context) 38 : TrackListBase(element, context) 39{ 40} 41 42VideoTrackList::~VideoTrackList() 43{ 44} 45 46void VideoTrackList::append(PassRefPtr<VideoTrack> prpTrack) 47{ 48 RefPtr<VideoTrack> track = prpTrack; 49 50 // Insert tracks in the media file order. 51 size_t index = track->inbandTrackIndex(); 52 m_inbandTracks.insert(index, track); 53 54 ASSERT(!track->mediaElement() || track->mediaElement() == mediaElement()); 55 track->setMediaElement(mediaElement()); 56 57 scheduleAddTrackEvent(track.release()); 58} 59 60VideoTrack* VideoTrackList::item(unsigned index) const 61{ 62 if (index < m_inbandTracks.size()) 63 return toVideoTrack(m_inbandTracks[index].get()); 64 65 return 0; 66} 67 68VideoTrack* VideoTrackList::getTrackById(const AtomicString& id) const 69{ 70 for (size_t i = 0; i < length(); ++i) { 71 VideoTrack* track = toVideoTrack(m_inbandTracks[i].get()); 72 if (track->id() == id) 73 return track; 74 } 75 return 0; 76} 77 78long VideoTrackList::selectedIndex() const 79{ 80 // 4.8.10.10.1 AudioTrackList and VideoTrackList objects 81 // The VideoTrackList.selectedIndex attribute must return the index of the 82 // currently selected track, if any. If the VideoTrackList object does not 83 // currently represent any tracks, or if none of the tracks are selected, 84 // it must instead return −1. 85 for (size_t i = 0; i < length(); ++i) { 86 VideoTrack* track = toVideoTrack(m_inbandTracks[i].get()); 87 if (track->selected()) 88 return i; 89 } 90 return -1; 91} 92 93const AtomicString& VideoTrackList::interfaceName() const 94{ 95 return eventNames().interfaceForVideoTrackList; 96} 97 98#endif 99