1 /* 2 * Copyright (C) 2011 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 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 #ifndef HTMLTrackElement_h 27 #define HTMLTrackElement_h 28 29 #include "core/html/HTMLElement.h" 30 #include "core/html/track/LoadableTextTrack.h" 31 #include "core/html/track/TextTrack.h" 32 #include "platform/heap/Handle.h" 33 34 namespace blink { 35 36 class HTMLMediaElement; 37 38 class HTMLTrackElement FINAL : public HTMLElement { 39 DEFINE_WRAPPERTYPEINFO(); 40 public: 41 DECLARE_NODE_FACTORY(HTMLTrackElement); 42 43 const AtomicString& kind(); 44 void setKind(const AtomicString&); 45 46 enum ReadyState { NONE = 0, LOADING = 1, LOADED = 2, TRACK_ERROR = 3 }; 47 ReadyState readyState(); 48 void setReadyState(ReadyState); 49 50 TextTrack* track(); 51 52 void scheduleLoad(); 53 54 enum LoadStatus { Failure, Success }; 55 void didCompleteLoad(LoadStatus); 56 57 const AtomicString& mediaElementCrossOriginAttribute() const; 58 59 virtual void trace(Visitor*) OVERRIDE; 60 61 private: 62 explicit HTMLTrackElement(Document&); 63 virtual ~HTMLTrackElement(); 64 65 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 66 67 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; 68 69 virtual void removedFrom(ContainerNode*) OVERRIDE; 70 virtual bool isURLAttribute(const Attribute&) const OVERRIDE; 71 72 void loadTimerFired(Timer<HTMLTrackElement>*); 73 74 HTMLMediaElement* mediaElement() const; 75 76 LoadableTextTrack* ensureTrack(); 77 bool canLoadUrl(const KURL&); 78 79 RefPtrWillBeMember<LoadableTextTrack> m_track; 80 Timer<HTMLTrackElement> m_loadTimer; 81 }; 82 83 } // namespace blink 84 85 #endif // HTMLTrackElement_h 86
