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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 CONTENT_PUBLIC_BROWSER_UTILITY_PROCESS_HOST_CLIENT_H_ | 5 #ifndef CONTENT_PUBLIC_BROWSER_UTILITY_PROCESS_HOST_CLIENT_H_ |
6 #define CONTENT_PUBLIC_BROWSER_UTILITY_PROCESS_HOST_CLIENT_H_ | 6 #define CONTENT_PUBLIC_BROWSER_UTILITY_PROCESS_HOST_CLIENT_H_ |
7 | 7 |
8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
9 #include "content/common/content_export.h" | 9 #include "content/common/content_export.h" |
10 | 10 |
11 namespace IPC { | 11 namespace IPC { |
12 class Message; | 12 class Message; |
13 } | 13 } |
14 | 14 |
15 namespace content { | 15 namespace content { |
16 | 16 |
17 // An interface to be implemented by consumers of the utility process to | 17 // An interface to be implemented by consumers of the utility process to |
18 // get results back. All functions are called on the thread passed along | 18 // get results back. All functions are called on the thread passed along |
19 // to UtilityProcessHost. | 19 // to UtilityProcessHost. |
20 class UtilityProcessHostClient | 20 class UtilityProcessHostClient |
21 : public base::RefCountedThreadSafe<UtilityProcessHostClient> { | 21 : public base::RefCountedThreadSafe<UtilityProcessHostClient> { |
22 public: | 22 public: |
23 // Called when the process has crashed. | 23 // Called when the process has crashed. |
24 virtual void OnProcessCrashed(int exit_code) {} | 24 virtual void OnProcessCrashed(int exit_code) {} |
25 | 25 |
26 // Called when the process fails to launch, i.e. it has no exit code. | 26 // Called when the process fails to launch. |error_code| is the platform |
27 virtual void OnProcessLaunchFailed() {} | 27 // specific error code for why the process failed to launch. |
jam
2016/04/28 15:41:14
it's confusing looking at this api what "platform
Will Harris
2016/05/02 16:45:23
updated this comment to specify the typedefs used.
| |
28 virtual void OnProcessLaunchFailed(int error_code) {} | |
28 | 29 |
29 // Allow the client to filter IPC messages. | 30 // Allow the client to filter IPC messages. |
30 virtual bool OnMessageReceived(const IPC::Message& message) = 0; | 31 virtual bool OnMessageReceived(const IPC::Message& message) = 0; |
31 | 32 |
32 protected: | 33 protected: |
33 friend class base::RefCountedThreadSafe<UtilityProcessHostClient>; | 34 friend class base::RefCountedThreadSafe<UtilityProcessHostClient>; |
34 | 35 |
35 virtual ~UtilityProcessHostClient() {} | 36 virtual ~UtilityProcessHostClient() {} |
36 }; | 37 }; |
37 | 38 |
38 }; // namespace content | 39 }; // namespace content |
39 | 40 |
40 #endif // CONTENT_PUBLIC_BROWSER_UTILITY_PROCESS_HOST_CLIENT_H_ | 41 #endif // CONTENT_PUBLIC_BROWSER_UTILITY_PROCESS_HOST_CLIENT_H_ |
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