- add sources.
[platform/framework/web/crosswalk.git] / src / media / base / text_track.h
1 // Copyright (c) 2012 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_BASE_TEXT_TRACK_H_
6 #define MEDIA_BASE_TEXT_TRACK_H_
7
8 #include <string>
9
10 #include "base/callback.h"
11 #include "base/memory/scoped_ptr.h"
12 #include "base/time/time.h"
13
14 namespace media {
15
16 // Specifies the varieties of text tracks.
17 enum TextKind {
18   kTextSubtitles,
19   kTextCaptions,
20   kTextDescriptions,
21   kTextMetadata,
22   kTextNone
23 };
24
25 class TextTrack {
26  public:
27   virtual ~TextTrack() {}
28   virtual void addWebVTTCue(const base::TimeDelta& start,
29                             const base::TimeDelta& end,
30                             const std::string& id,
31                             const std::string& content,
32                             const std::string& settings) = 0;
33 };
34
35 typedef base::Callback<scoped_ptr<TextTrack>
36     (TextKind kind,
37      const std::string& label,
38      const std::string& language)> AddTextTrackCB;
39
40 }  // namespace media
41
42 #endif  // MEDIA_BASE_TEXT_TRACK_H_