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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MEDIA_BASE_DATA_SOURCE_H_ | 5 #ifndef MEDIA_BASE_DATA_SOURCE_H_ |
6 #define MEDIA_BASE_DATA_SOURCE_H_ | 6 #define MEDIA_BASE_DATA_SOURCE_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "media/base/media_export.h" | 10 #include "media/base/media_export.h" |
11 | 11 |
12 namespace media { | 12 namespace media { |
13 | 13 |
14 class MEDIA_EXPORT DataSourceHost { | 14 class MEDIA_EXPORT DataSourceHost { |
15 public: | 15 public: |
16 virtual ~DataSourceHost(); | 16 virtual ~DataSourceHost(); |
17 | 17 |
18 // Set the total size of the media file. | 18 // Set the total size of the media file. |
19 virtual void SetTotalBytes(int64 total_bytes) = 0; | 19 virtual void SetTotalBytes(int64 total_bytes) = 0; |
20 | 20 |
21 // Notify the host that byte range [start,end] has been buffered. | 21 // Notify the host that byte range [start,end] has been buffered. |
22 virtual void AddBufferedByteRange(int64 start, int64 end) = 0; | 22 virtual void AddBufferedByteRange(int64 start, int64 end) = 0; |
23 | |
24 // Sets the flag to indicate current network activity. | |
25 virtual void SetNetworkActivity(bool is_downloading_data) = 0; | |
26 }; | 23 }; |
27 | 24 |
28 class MEDIA_EXPORT DataSource : public base::RefCountedThreadSafe<DataSource> { | 25 class MEDIA_EXPORT DataSource : public base::RefCountedThreadSafe<DataSource> { |
29 public: | 26 public: |
30 typedef base::Callback<void(int64, int64)> StatusCallback; | 27 typedef base::Callback<void(int64, int64)> StatusCallback; |
31 typedef base::Callback<void(int)> ReadCB; | 28 typedef base::Callback<void(int)> ReadCB; |
32 static const int kReadError; | 29 static const int kReadError; |
33 | 30 |
34 DataSource(); | 31 DataSource(); |
35 | 32 |
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69 | 66 |
70 private: | 67 private: |
71 DataSourceHost* host_; | 68 DataSourceHost* host_; |
72 | 69 |
73 DISALLOW_COPY_AND_ASSIGN(DataSource); | 70 DISALLOW_COPY_AND_ASSIGN(DataSource); |
74 }; | 71 }; |
75 | 72 |
76 } // namespace media | 73 } // namespace media |
77 | 74 |
78 #endif // MEDIA_BASE_DATA_SOURCE_H_ | 75 #endif // MEDIA_BASE_DATA_SOURCE_H_ |
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