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Side by Side Diff: media/base/cdm_promise_adapter.h

Issue 1534273002: Switch to standard integer types in media/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: more Created 5 years ago
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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"
9 #include "base/containers/scoped_ptr_hash_map.h" 8 #include "base/containers/scoped_ptr_hash_map.h"
10 #include "base/macros.h" 9 #include "base/macros.h"
11 #include "base/memory/scoped_ptr.h" 10 #include "base/memory/scoped_ptr.h"
12 #include "base/threading/thread_checker.h" 11 #include "base/threading/thread_checker.h"
13 #include "media/base/cdm_promise.h" 12 #include "media/base/cdm_promise.h"
14 #include "media/base/media_export.h" 13 #include "media/base/media_export.h"
15 14
16 namespace media { 15 namespace media {
17 16
18 // Helps convert CdmPromises to an integer identifier and vice versa. The 17 // Helps convert CdmPromises to an integer identifier and vice versa. The
19 // integer identifier is needed where we cannot pass CdmPromises through, such 18 // integer identifier is needed where we cannot pass CdmPromises through, such
20 // as PPAPI, IPC and JNI. 19 // as PPAPI, IPC and JNI.
21 class MEDIA_EXPORT CdmPromiseAdapter { 20 class MEDIA_EXPORT CdmPromiseAdapter {
22 public: 21 public:
23 CdmPromiseAdapter(); 22 CdmPromiseAdapter();
24 ~CdmPromiseAdapter(); 23 ~CdmPromiseAdapter();
25 24
26 // Takes ownership of |promise| and returns an integer promise ID. 25 // Takes ownership of |promise| and returns an integer promise ID.
27 uint32_t SavePromise(scoped_ptr<media::CdmPromise> promise); 26 uint32_t SavePromise(scoped_ptr<media::CdmPromise> promise);
28 27
29 // Takes the promise for |promise_id|, sanity checks its |type|, and resolves 28 // Takes the promise for |promise_id|, sanity checks its |type|, and resolves
30 // it with |result|. 29 // it with |result|.
31 template <typename... T> 30 template <typename... T>
32 void ResolvePromise(uint32_t promise_id, const T&... result); 31 void ResolvePromise(uint32_t promise_id, const T&... result);
33 32
34 // Takes the promise for |promise_id| and rejects it with |exception_code|, 33 // Takes the promise for |promise_id| and rejects it with |exception_code|,
35 // |system_code| and |error_message|. 34 // |system_code| and |error_message|.
36 void RejectPromise(uint32_t promise_id, 35 void RejectPromise(uint32_t promise_id,
37 MediaKeys::Exception exception_code, 36 MediaKeys::Exception exception_code,
38 uint32 system_code, 37 uint32_t system_code,
39 const std::string& error_message); 38 const std::string& error_message);
40 39
41 // Rejects and clears all |promises_|. 40 // Rejects and clears all |promises_|.
42 void Clear(); 41 void Clear();
43 42
44 private: 43 private:
45 // A map between promise IDs and CdmPromises. It owns the CdmPromises. 44 // A map between promise IDs and CdmPromises. It owns the CdmPromises.
46 typedef base::ScopedPtrHashMap<uint32_t, scoped_ptr<CdmPromise>> PromiseMap; 45 typedef base::ScopedPtrHashMap<uint32_t, scoped_ptr<CdmPromise>> PromiseMap;
47 46
48 // Finds, takes the ownership of and returns the promise for |promise_id|. 47 // Finds, takes the ownership of and returns the promise for |promise_id|.
49 // Returns null if no promise can be found. 48 // Returns null if no promise can be found.
50 scoped_ptr<CdmPromise> TakePromise(uint32_t promise_id); 49 scoped_ptr<CdmPromise> TakePromise(uint32_t promise_id);
51 50
52 uint32_t next_promise_id_; 51 uint32_t next_promise_id_;
53 PromiseMap promises_; 52 PromiseMap promises_;
54 53
55 base::ThreadChecker thread_checker_; 54 base::ThreadChecker thread_checker_;
56 DISALLOW_COPY_AND_ASSIGN(CdmPromiseAdapter); 55 DISALLOW_COPY_AND_ASSIGN(CdmPromiseAdapter);
57 }; 56 };
58 57
59 } // namespace media 58 } // namespace media
60 59
61 #endif // MEDIA_BASE_CDM_PROMISE_ADAPTER_H_ 60 #endif // MEDIA_BASE_CDM_PROMISE_ADAPTER_H_
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