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

   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 LoadableTextTrack_h
  27 #define LoadableTextTrack_h
  28
  29 #include "core/html/track/TextTrack.h"
  30 #include "platform/heap/Handle.h"
  31 #include "wtf/PassRefPtr.h"
  32
  33 namespace blink {
  34
  35 class HTMLTrackElement;
  36
  37 class LoadableTextTrack final : public TextTrack {
  38 public:
  39     static LoadableTextTrack* create(HTMLTrackElement* track)
  40     {
  41         return new LoadableTextTrack(track);
  42     }
  43     ~LoadableTextTrack() override;
  44
  45     // TextTrack method.
  46     void setMode(const AtomicString&) override;
  47
  48     void addRegions(const HeapVector<Member<VTTRegion>>&);
  49     using TextTrack::addListOfCues;
  50
  51     size_t trackElementIndex();
  52     HTMLTrackElement* trackElement() { return m_trackElement; }
  53 #if !ENABLE(OILPAN)
  54     void clearTrackElement();
  55 #endif
  56
  57     bool isDefault() const override;
  58
  59     DECLARE_VIRTUAL_TRACE();
  60
  61 private:
  62     explicit LoadableTextTrack(HTMLTrackElement*);
  63
  64     RawPtrWillBeMember<HTMLTrackElement> m_trackElement;
  65 };
  66
  67 } // namespace blink
  68
  69 #endif // LoadableTextTrack_h