OLD | NEW |
| (Empty) |
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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef MOJO_PUBLIC_CPP_ENVIRONMENT_ENVIRONMENT_H_ | |
6 #define MOJO_PUBLIC_CPP_ENVIRONMENT_ENVIRONMENT_H_ | |
7 | |
8 #include "mojo/public/cpp/system/macros.h" | |
9 | |
10 struct MojoAsyncWaiter; | |
11 struct MojoLogger; | |
12 | |
13 namespace mojo { | |
14 | |
15 // Other parts of the Mojo C++ APIs use the *static* methods of this class. | |
16 // | |
17 // The "standalone" implementation of this class requires that this class (in | |
18 // the lib/ subdirectory) be instantiated (and remain so) while using the Mojo | |
19 // C++ APIs. I.e., the static methods depend on things set up by the constructor | |
20 // and torn down by the destructor. | |
21 // | |
22 // Other implementations may not have this requirement. | |
23 class Environment { | |
24 public: | |
25 Environment(); | |
26 // This constructor allows the standard implementations to be overridden (set | |
27 // a parameter to null to get the standard implementation). | |
28 Environment(const MojoAsyncWaiter* default_async_waiter, | |
29 const MojoLogger* default_logger); | |
30 ~Environment(); | |
31 | |
32 static const MojoAsyncWaiter* GetDefaultAsyncWaiter(); | |
33 static const MojoLogger* GetDefaultLogger(); | |
34 | |
35 // These instantiate and destroy an environment-specific run loop for the | |
36 // current thread, allowing |GetDefaultAsyncWaiter()| to be used. (The run | |
37 // loop itself should be accessible via thread-local storage, using methods | |
38 // specific to the run loop implementation.) Creating and destroying nested | |
39 // run loops is not supported. | |
40 static void InstantiateDefaultRunLoop(); | |
41 static void DestroyDefaultRunLoop(); | |
42 | |
43 private: | |
44 MOJO_DISALLOW_COPY_AND_ASSIGN(Environment); | |
45 }; | |
46 | |
47 } // namespace mojo | |
48 | |
49 #endif // MOJO_PUBLIC_CPP_ENVIRONMENT_ENVIRONMENT_H_ | |
OLD | NEW |