third_party/WebKit/Source/core/html/track/TrackEvent.h

   1 /*
   2  * Copyright (C) 2011 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 #ifndef TrackEvent_h
  27 #define TrackEvent_h
  28
  29 #include "core/events/Event.h"
  30 #include "core/html/track/TrackBase.h"
  31 #include "core/html/track/TrackEventInit.h"
  32
  33 namespace blink {
  34
  35 class VideoTrackOrAudioTrackOrTextTrack;
  36
  37 class TrackEvent final : public Event {
  38     DEFINE_WRAPPERTYPEINFO();
  39 public:
  40     ~TrackEvent() override;
  41
  42     static PassRefPtrWillBeRawPtr<TrackEvent> create()
  43     {
  44         return adoptRefWillBeNoop(new TrackEvent);
  45     }
  46
  47     static PassRefPtrWillBeRawPtr<TrackEvent> create(const AtomicString& type, const TrackEventInit& initializer)
  48     {
  49         return adoptRefWillBeNoop(new TrackEvent(type, initializer));
  50     }
  51
  52     template <typename T>
  53     static PassRefPtrWillBeRawPtr<TrackEvent> create(const AtomicString& type, T* track)
  54     {
  55         return adoptRefWillBeNoop(new TrackEvent(type, track));
  56     }
  57
  58     const AtomicString& interfaceName() const override;
  59
  60     void track(VideoTrackOrAudioTrackOrTextTrack&);
  61
  62     DECLARE_VIRTUAL_TRACE();
  63
  64 private:
  65     TrackEvent();
  66     TrackEvent(const AtomicString& type, const TrackEventInit& initializer);
  67     template <typename T>
  68     TrackEvent(const AtomicString& type, T* track)
  69         : Event(type, false, false)
  70         , m_track(track)
  71     {
  72     }
  73
  74     PersistentWillBeMember<TrackBase> m_track;
  75 };
  76
  77 } // namespace blink
  78
  79 #endif // TrackEvent_h