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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 SHELL_CHILD_PROCESS_H_ | 5 #ifndef SHELL_CHILD_PROCESS_H_ |
6 #define SHELL_CHILD_PROCESS_H_ | 6 #define SHELL_CHILD_PROCESS_H_ |
7 | 7 |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
10 #include "mojo/edk/embedder/scoped_platform_handle.h" | 10 #include "mojo/edk/embedder/scoped_platform_handle.h" |
11 | 11 |
12 namespace base { | 12 namespace base { |
13 class CommandLine; | 13 class CommandLine; |
14 } | 14 } |
15 | 15 |
16 namespace mojo { | 16 namespace mojo { |
17 namespace shell { | 17 namespace shell { |
18 | 18 |
19 // A base class for child processes -- i.e., code that is actually run within | 19 // A base class for child processes -- i.e., code that is actually run within |
20 // the child process. (Instances are manufactured by |Create()|.) | 20 // the child process. (Instances are manufactured by |Create()|.) |
21 class ChildProcess { | 21 class ChildProcess { |
22 public: | 22 public: |
23 enum Type { | |
24 // Hosts a single app (see app_child_process(_host).*). | |
25 TYPE_APP | |
26 }; | |
27 | |
28 virtual ~ChildProcess(); | 23 virtual ~ChildProcess(); |
29 | 24 |
30 // Returns null if the command line doesn't indicate that this is a child | 25 // Returns null if the command line doesn't indicate that this is a child |
31 // process. |main()| should call this, and if it returns non-null it should | 26 // process. |main()| should call this, and if it returns non-null it should |
32 // call |Main()| (without a message loop on the current thread). | 27 // call |Main()| (without a message loop on the current thread). |
33 static scoped_ptr<ChildProcess> Create(const base::CommandLine& command_line); | 28 static scoped_ptr<ChildProcess> Create(const base::CommandLine& command_line); |
34 | 29 |
35 // To be implemented by subclasses. This is the "entrypoint" for a child | 30 // To be implemented by subclasses. This is the "entrypoint" for a child |
36 // process. Run with no message loop for the main thread. | 31 // process. Run with no message loop for the main thread. |
37 virtual void Main() = 0; | 32 virtual void Main() = 0; |
38 | 33 |
39 protected: | 34 protected: |
40 ChildProcess(); | 35 ChildProcess(); |
41 | 36 |
42 embedder::ScopedPlatformHandle* platform_channel() { | 37 embedder::ScopedPlatformHandle* platform_channel() { |
43 return &platform_channel_; | 38 return &platform_channel_; |
44 } | 39 } |
45 | 40 |
46 private: | 41 private: |
47 // Available in |Main()| (after a successful |Create()|). | 42 // Available in |Main()| (after a successful |Create()|). |
48 embedder::ScopedPlatformHandle platform_channel_; | 43 embedder::ScopedPlatformHandle platform_channel_; |
49 | 44 |
50 DISALLOW_COPY_AND_ASSIGN(ChildProcess); | 45 DISALLOW_COPY_AND_ASSIGN(ChildProcess); |
51 }; | 46 }; |
52 | 47 |
53 } // namespace shell | 48 } // namespace shell |
54 } // namespace mojo | 49 } // namespace mojo |
55 | 50 |
56 #endif // SHELL_CHILD_PROCESS_H_ | 51 #endif // SHELL_CHILD_PROCESS_H_ |
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