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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_CDM_PROMISE_ADAPTER_H_ | 5 #ifndef MEDIA_BASE_CDM_PROMISE_ADAPTER_H_ |
6 #define MEDIA_BASE_CDM_PROMISE_ADAPTER_H_ | 6 #define MEDIA_BASE_CDM_PROMISE_ADAPTER_H_ |
7 | 7 |
8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
9 #include "base/containers/scoped_ptr_hash_map.h" | 9 #include "base/containers/scoped_ptr_hash_map.h" |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
11 #include "base/memory/scoped_ptr.h" | 11 #include "base/memory/scoped_ptr.h" |
| 12 #include "base/synchronization/lock.h" |
12 #include "media/base/cdm_promise.h" | 13 #include "media/base/cdm_promise.h" |
13 #include "media/base/media_export.h" | 14 #include "media/base/media_export.h" |
14 | 15 |
15 namespace media { | 16 namespace media { |
16 | 17 |
17 // Helps convert CdmPromises to an integer identifier and vice versa. The | 18 // Helps convert CdmPromises to an integer identifier and vice versa. The |
18 // integer identifier is needed where we cannot pass CdmPromises through, such | 19 // integer identifier is needed where we cannot pass CdmPromises through, such |
19 // as PPAPI, IPC and JNI. | 20 // as PPAPI, IPC and JNI. |
20 class MEDIA_EXPORT CdmPromiseAdapter { | 21 class MEDIA_EXPORT CdmPromiseAdapter { |
21 public: | 22 public: |
(...skipping 22 matching lines...) Expand all Loading... |
44 // A map between promise IDs and CdmPromises. It owns the CdmPromises. | 45 // A map between promise IDs and CdmPromises. It owns the CdmPromises. |
45 typedef base::ScopedPtrHashMap<uint32_t, scoped_ptr<CdmPromise>> PromiseMap; | 46 typedef base::ScopedPtrHashMap<uint32_t, scoped_ptr<CdmPromise>> PromiseMap; |
46 | 47 |
47 // Finds, takes the ownership of and returns the promise for |promise_id|. | 48 // Finds, takes the ownership of and returns the promise for |promise_id|. |
48 // Returns null if no promise can be found. | 49 // Returns null if no promise can be found. |
49 scoped_ptr<CdmPromise> TakePromise(uint32_t promise_id); | 50 scoped_ptr<CdmPromise> TakePromise(uint32_t promise_id); |
50 | 51 |
51 uint32_t next_promise_id_; | 52 uint32_t next_promise_id_; |
52 PromiseMap promises_; | 53 PromiseMap promises_; |
53 | 54 |
| 55 base::Lock lock_; |
| 56 |
54 DISALLOW_COPY_AND_ASSIGN(CdmPromiseAdapter); | 57 DISALLOW_COPY_AND_ASSIGN(CdmPromiseAdapter); |
55 }; | 58 }; |
56 | 59 |
57 } // namespace media | 60 } // namespace media |
58 | 61 |
59 #endif // MEDIA_BASE_CDM_PROMISE_ADAPTER_H_ | 62 #endif // MEDIA_BASE_CDM_PROMISE_ADAPTER_H_ |
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