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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_SHELL_DYNAMIC_SERVICE_RUNNER_H_ | |
6 #define MOJO_SHELL_DYNAMIC_SERVICE_RUNNER_H_ | |
7 | |
8 #include "base/callback_forward.h" | |
9 #include "base/memory/scoped_ptr.h" | |
10 #include "mojo/public/cpp/system/core.h" | |
11 | |
12 namespace base { | |
13 class FilePath; | |
14 } | |
15 | |
16 namespace mojo { | |
17 namespace shell { | |
18 | |
19 class Context; | |
20 | |
21 // Abstraction for loading a service (from the file system) and running it (on | |
22 // another thread or in a separate process). | |
23 class DynamicServiceRunner { | |
24 public: | |
25 virtual ~DynamicServiceRunner() {} | |
26 | |
27 // Takes ownership of the file at |app_path|. Loads the app in that file and | |
28 // runs it on some other thread/process. |app_completed_callback| is posted | |
29 // (to the thread on which |Start()| was called) after |MojoMain()| completes. | |
30 virtual void Start(const base::FilePath& app_path, | |
31 ScopedMessagePipeHandle service_handle, | |
32 const base::Closure& app_completed_callback) = 0; | |
33 }; | |
34 | |
35 class DynamicServiceRunnerFactory { | |
36 public: | |
37 virtual ~DynamicServiceRunnerFactory() {} | |
38 virtual scoped_ptr<DynamicServiceRunner> Create(Context* context) = 0; | |
39 }; | |
40 | |
41 // A generic factory. | |
42 template <class DynamicServiceRunnerImpl> | |
43 class DynamicServiceRunnerFactoryImpl : public DynamicServiceRunnerFactory { | |
44 public: | |
45 DynamicServiceRunnerFactoryImpl() {} | |
46 virtual ~DynamicServiceRunnerFactoryImpl() {} | |
47 virtual scoped_ptr<DynamicServiceRunner> Create(Context* context) override { | |
48 return scoped_ptr<DynamicServiceRunner>( | |
49 new DynamicServiceRunnerImpl(context)); | |
50 } | |
51 }; | |
52 | |
53 } // namespace shell | |
54 } // namespace mojo | |
55 | |
56 #endif // MOJO_SHELL_DYNAMIC_SERVICE_RUNNER_H_ | |
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