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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_CHILD_PROCESS_H_ | |
6 #define MOJO_SHELL_CHILD_PROCESS_H_ | |
7 | |
8 #include "base/macros.h" | |
9 #include "base/memory/scoped_ptr.h" | |
10 #include "mojo/edk/embedder/scoped_platform_handle.h" | |
11 | |
12 namespace base { | |
13 class CommandLine; | |
14 } | |
15 | |
16 namespace mojo { | |
17 namespace shell { | |
18 | |
19 // A base class for child processes -- i.e., code that is actually run within | |
20 // the child process. (Instances are manufactured by |Create()|.) | |
21 class ChildProcess { | |
22 public: | |
23 enum Type { | |
24 TYPE_TEST, | |
25 // Hosts a single app (see app_child_process(_host).*). | |
26 TYPE_APP | |
27 }; | |
28 | |
29 virtual ~ChildProcess(); | |
30 | |
31 // Returns null if the command line doesn't indicate that this is a child | |
32 // process. |main()| should call this, and if it returns non-null it should | |
33 // call |Main()| (without a message loop on the current thread). | |
34 static scoped_ptr<ChildProcess> Create(const base::CommandLine& command_line); | |
35 | |
36 // To be implemented by subclasses. This is the "entrypoint" for a child | |
37 // process. Run with no message loop for the main thread. | |
38 virtual void Main() = 0; | |
39 | |
40 protected: | |
41 ChildProcess(); | |
42 | |
43 embedder::ScopedPlatformHandle* platform_channel() { | |
44 return &platform_channel_; | |
45 } | |
46 | |
47 private: | |
48 // Available in |Main()| (after a successful |Create()|). | |
49 embedder::ScopedPlatformHandle platform_channel_; | |
50 | |
51 DISALLOW_COPY_AND_ASSIGN(ChildProcess); | |
52 }; | |
53 | |
54 } // namespace shell | |
55 } // namespace mojo | |
56 | |
57 #endif // MOJO_SHELL_CHILD_PROCESS_H_ | |
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