OLD | NEW |
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 MOJO_PUBLIC_APPLICATION_LIB_WEAK_SERVICE_PROVIDER_H_ | 5 #ifndef MOJO_PUBLIC_APPLICATION_LIB_WEAK_SERVICE_PROVIDER_H_ |
6 #define MOJO_PUBLIC_APPLICATION_LIB_WEAK_SERVICE_PROVIDER_H_ | 6 #define MOJO_PUBLIC_APPLICATION_LIB_WEAK_SERVICE_PROVIDER_H_ |
7 | 7 |
8 #include "mojo/public/interfaces/application/service_provider.mojom.h" | 8 #include "mojo/public/interfaces/application/service_provider.mojom.h" |
9 | 9 |
10 namespace mojo { | 10 namespace mojo { |
11 class ServiceProviderImpl; | 11 class ServiceProviderImpl; |
12 namespace internal { | 12 namespace internal { |
13 class ServiceConnectorBase; | 13 class ServiceConnectorBase; |
14 | 14 |
15 // Implements a weak pointer to a ServiceProvider. Necessary as the lifetime of | 15 // Implements a weak pointer to a ServiceProvider. Necessary as the lifetime of |
16 // the ServiceProviderImpl is bound to that of its pipe, but code may continue | 16 // the ServiceProviderImpl is bound to that of its pipe, but code may continue |
17 // to reference a remote service provider beyond the lifetime of said pipe. | 17 // to reference a remote service provider beyond the lifetime of said pipe. |
18 // Calls to ConnectToService() are silently dropped when the pipe is closed. | 18 // Calls to ConnectToService() are silently dropped when the pipe is closed. |
19 class WeakServiceProvider : public ServiceProvider { | 19 class WeakServiceProvider : public ServiceProvider { |
20 public: | 20 public: |
21 WeakServiceProvider(ServiceProviderImpl* creator, | 21 WeakServiceProvider(ServiceProviderImpl* creator, |
22 ServiceProvider* service_provider); | 22 ServiceProvider* service_provider); |
23 virtual ~WeakServiceProvider(); | 23 virtual ~WeakServiceProvider(); |
24 | 24 |
25 void Clear(); | 25 void Clear(); |
26 | 26 |
27 private: | 27 private: |
28 // Overridden from ServiceProvider: | 28 // Overridden from ServiceProvider: |
29 virtual void ConnectToService( | 29 virtual void ConnectToService(const String& service_name, |
30 const String& service_name, | 30 ScopedMessagePipeHandle client_handle) override; |
31 ScopedMessagePipeHandle client_handle) MOJO_OVERRIDE; | |
32 | 31 |
33 ServiceProviderImpl* creator_; | 32 ServiceProviderImpl* creator_; |
34 ServiceProvider* service_provider_; | 33 ServiceProvider* service_provider_; |
35 | 34 |
36 MOJO_DISALLOW_COPY_AND_ASSIGN(WeakServiceProvider); | 35 MOJO_DISALLOW_COPY_AND_ASSIGN(WeakServiceProvider); |
37 }; | 36 }; |
38 | 37 |
39 } // namespace internal | 38 } // namespace internal |
40 } // namespace mojo | 39 } // namespace mojo |
41 | 40 |
42 #endif // MOJO_PUBLIC_APPLICATION_LIB_WEAK_SERVICE_PROVIDER_H_ | 41 #endif // MOJO_PUBLIC_APPLICATION_LIB_WEAK_SERVICE_PROVIDER_H_ |
OLD | NEW |