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 33 namespace WebCore { 34 35 class HTMLMediaElement; 36 37 class HTMLTrackElement FINAL : public HTMLElement, public TextTrackClient { 38 public: 39 static PassRefPtr<HTMLTrackElement> create(Document&); 40 41 const AtomicString& kind(); 42 void setKind(const AtomicString&); 43 44 enum ReadyState { NONE = 0, LOADING = 1, LOADED = 2, TRACK_ERROR = 3 }; 45 ReadyState readyState(); 46 void setReadyState(ReadyState); 47 48 TextTrack* track(); 49 50 void scheduleLoad(); 51 52 enum LoadStatus { Failure, Success }; 53 void didCompleteLoad(LoadStatus); 54 55 const AtomicString& mediaElementCrossOriginAttribute() const; 56 57 private: 58 explicit HTMLTrackElement(Document&); 59 virtual ~HTMLTrackElement(); 60 61 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; 62 63 virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE; 64 65 virtual void removedFrom(ContainerNode*) OVERRIDE; 66 virtual bool isURLAttribute(const Attribute&) const OVERRIDE; 67 68 void loadTimerFired(Timer<HTMLTrackElement>*); 69 70 HTMLMediaElement* mediaElement() const; 71 72 // TextTrackClient 73 virtual void textTrackModeChanged(TextTrack*) OVERRIDE; 74 virtual void textTrackKindChanged(TextTrack*) OVERRIDE; 75 virtual void textTrackAddCues(TextTrack*, const TextTrackCueList*) OVERRIDE; 76 virtual void textTrackRemoveCues(TextTrack*, const TextTrackCueList*) OVERRIDE; 77 virtual void textTrackAddCue(TextTrack*, PassRefPtr<TextTrackCue>) OVERRIDE; 78 virtual void textTrackRemoveCue(TextTrack*, PassRefPtr<TextTrackCue>) OVERRIDE; 79 80 LoadableTextTrack* ensureTrack(); 81 bool canLoadUrl(const KURL&); 82 83 RefPtr<LoadableTextTrack> m_track; 84 Timer<HTMLTrackElement> m_loadTimer; 85 }; 86 87 DEFINE_NODE_TYPE_CASTS(HTMLTrackElement, hasTagName(HTMLNames::trackTag)); 88 89 } 90 91 #endif 92
