1 /* 2 * Copyright (C) 2013 Google 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 are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 #include "core/html/track/TrackBase.h" 33 34 #include "core/html/HTMLMediaElement.h" 35 36 namespace WebCore { 37 38 static blink::WebMediaPlayer::TrackId nextTrackId() 39 { 40 static blink::WebMediaPlayer::TrackId next = 0; 41 return ++next; 42 } 43 44 TrackBase::TrackBase(Type type, const AtomicString& label, const AtomicString& language, const String& id) 45 : m_trackId(nextTrackId()) 46 , m_type(type) 47 , m_label(label) 48 , m_language(language) 49 , m_id(id) 50 , m_mediaElement(nullptr) 51 { 52 } 53 54 TrackBase::~TrackBase() 55 { 56 #if !ENABLE(OILPAN) 57 ASSERT(!m_mediaElement); 58 #endif 59 } 60 61 62 Node* TrackBase::owner() const 63 { 64 return m_mediaElement; 65 } 66 67 void TrackBase::trace(Visitor* visitor) 68 { 69 visitor->trace(m_mediaElement); 70 } 71 72 void TrackBase::setKind(const AtomicString& kind) 73 { 74 if (isValidKind(kind)) 75 m_kind = kind; 76 else 77 m_kind = defaultKind(); 78 } 79 80 } // namespace WebCore 81