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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 SERVICES_SERVICE_MANAGER_PUBLIC_CPP_SERVICE_CONTEXT_REF_H_ | 5 #ifndef SERVICES_SERVICE_MANAGER_PUBLIC_CPP_SERVICE_CONTEXT_REF_H_ |
6 #define SERVICES_SERVICE_MANAGER_PUBLIC_CPP_SERVICE_CONTEXT_REF_H_ | 6 #define SERVICES_SERVICE_MANAGER_PUBLIC_CPP_SERVICE_CONTEXT_REF_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
11 #include "base/macros.h" | 11 #include "base/macros.h" |
12 #include "base/memory/weak_ptr.h" | 12 #include "base/memory/weak_ptr.h" |
13 | 13 |
14 namespace shell { | 14 namespace service_manager { |
15 | 15 |
16 class ServiceContextRefImpl; | 16 class ServiceContextRefImpl; |
17 | 17 |
18 // An interface implementation can keep this object as a member variable to | 18 // An interface implementation can keep this object as a member variable to |
19 // hold a reference to the ServiceContext, keeping it alive as long as the | 19 // hold a reference to the ServiceContext, keeping it alive as long as the |
20 // bound implementation exists. | 20 // bound implementation exists. |
21 // | 21 // |
22 // This class is safe to use on any thread and instances may be passed to other | 22 // This class is safe to use on any thread and instances may be passed to other |
23 // threads. However, each instance should only be used on one thread at a time, | 23 // threads. However, each instance should only be used on one thread at a time, |
24 // otherwise there'll be races between the AddRef resulting from cloning and | 24 // otherwise there'll be races between the AddRef resulting from cloning and |
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47 void AddRef(); | 47 void AddRef(); |
48 void Release(); | 48 void Release(); |
49 | 49 |
50 const base::Closure quit_closure_; | 50 const base::Closure quit_closure_; |
51 int ref_count_ = 0; | 51 int ref_count_ = 0; |
52 base::WeakPtrFactory<ServiceContextRefFactory> weak_factory_; | 52 base::WeakPtrFactory<ServiceContextRefFactory> weak_factory_; |
53 | 53 |
54 DISALLOW_COPY_AND_ASSIGN(ServiceContextRefFactory); | 54 DISALLOW_COPY_AND_ASSIGN(ServiceContextRefFactory); |
55 }; | 55 }; |
56 | 56 |
57 } // namespace shell | 57 } // namespace service_manager |
58 | 58 |
59 #endif // SERVICES_SERVICE_MANAGER_PUBLIC_CPP_SERVICE_CONTEXT_REF_H_ | 59 #endif // SERVICES_SERVICE_MANAGER_PUBLIC_CPP_SERVICE_CONTEXT_REF_H_ |
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