media/blink/texttrack_impl.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MEDIA_BLINK_TEXTTRACK_IMPL_H_
   6 #define MEDIA_BLINK_TEXTTRACK_IMPL_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "media/base/text_track.h"
  13
  14 namespace base {
  15 class SingleThreadTaskRunner;
  16 }
  17
  18 namespace blink {
  19 class WebInbandTextTrackClient;
  20 class WebMediaPlayerClient;
  21 }
  22
  23 namespace media {
  24
  25 class WebInbandTextTrackImpl;
  26
  27 class TextTrackImpl : public TextTrack {
  28  public:
  29   // Constructor assumes ownership of the |text_track| object.
  30   TextTrackImpl(const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
  31                 blink::WebMediaPlayerClient* client,
  32                 scoped_ptr<WebInbandTextTrackImpl> text_track);
  33
  34   ~TextTrackImpl() override;
  35
  36   void addWebVTTCue(const base::TimeDelta& start,
  37                     const base::TimeDelta& end,
  38                     const std::string& id,
  39                     const std::string& content,
  40                     const std::string& settings) override;
  41
  42  private:
  43   static void OnAddCue(WebInbandTextTrackImpl* text_track,
  44                        const base::TimeDelta& start,
  45                        const base::TimeDelta& end,
  46                        const std::string& id,
  47                        const std::string& content,
  48                        const std::string& settings);
  49
  50   static void OnRemoveTrack(blink::WebMediaPlayerClient* client,
  51                             scoped_ptr<WebInbandTextTrackImpl> text_track);
  52
  53   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
  54   blink::WebMediaPlayerClient* client_;
  55   scoped_ptr<WebInbandTextTrackImpl> text_track_;
  56   DISALLOW_COPY_AND_ASSIGN(TextTrackImpl);
  57 };
  58
  59 }  // namespace media
  60
  61 #endif  // MEDIA_BLINK_TEXTTRACK_IMPL_H_