1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "config.h" 6 #include "core/html/track/VideoTrackList.h" 7 8 #include "core/html/HTMLMediaElement.h" 9 #include "core/html/track/VideoTrack.h" 10 11 namespace blink { 12 13 PassRefPtrWillBeRawPtr<VideoTrackList> VideoTrackList::create(HTMLMediaElement& mediaElement) 14 { 15 return adoptRefWillBeNoop(new VideoTrackList(mediaElement)); 16 } 17 18 VideoTrackList::~VideoTrackList() 19 { 20 } 21 22 VideoTrackList::VideoTrackList(HTMLMediaElement& mediaElement) 23 : TrackListBase<VideoTrack>(&mediaElement) 24 { 25 } 26 27 const AtomicString& VideoTrackList::interfaceName() const 28 { 29 return EventTargetNames::VideoTrackList; 30 } 31 32 int VideoTrackList::selectedIndex() const 33 { 34 for (unsigned i = 0; i < length(); ++i) { 35 VideoTrack* track = anonymousIndexedGetter(i); 36 37 if (track->selected()) 38 return i; 39 } 40 41 return -1; 42 } 43 44 void VideoTrackList::trackSelected(blink::WebMediaPlayer::TrackId selectedTrackId) 45 { 46 // Clear the selected flag on the previously selected track, if any. 47 for (unsigned i = 0; i < length(); ++i) { 48 VideoTrack* track = anonymousIndexedGetter(i); 49 50 if (track->trackId() != selectedTrackId) 51 track->clearSelected(); 52 else 53 ASSERT(track->selected()); 54 } 55 56 scheduleChangeEvent(); 57 } 58 59 } 60
