| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_PUBLIC_BROWSER_UTILITY_PROCESS_HOST_CLIENT_H_ |
| #define CONTENT_PUBLIC_BROWSER_UTILITY_PROCESS_HOST_CLIENT_H_ |
| |
| #include "base/memory/ref_counted.h" |
| #include "content/common/content_export.h" |
| |
| namespace IPC { |
| class Message; |
| } |
| |
| namespace content { |
| |
| // An interface to be implemented by consumers of the utility process to |
| // get results back. All functions are called on the thread passed along |
| // to UtilityProcessHost. |
| class UtilityProcessHostClient |
| : public base::RefCountedThreadSafe<UtilityProcessHostClient> { |
| public: |
| // Called when the process has crashed. |
| virtual void OnProcessCrashed(int exit_code) {} |
| |
| // Called when the process fails to launch. |error_code| is one of |
| // LaunchResultCode or sandbox::ResultCode containing the error. |
| virtual void OnProcessLaunchFailed(int error_code) {} |
| |
| // Allow the client to filter IPC messages. |
| virtual bool OnMessageReceived(const IPC::Message& message) = 0; |
| |
| protected: |
| friend class base::RefCountedThreadSafe<UtilityProcessHostClient>; |
| |
| virtual ~UtilityProcessHostClient() {} |
| }; |
| |
| }; // namespace content |
| |
| #endif // CONTENT_PUBLIC_BROWSER_UTILITY_PROCESS_HOST_CLIENT_H_ |