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 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_PUBLIC_BROWSER_UTILITY_PROCESS_HOST_CLIENT_H_ 6 #define CONTENT_PUBLIC_BROWSER_UTILITY_PROCESS_HOST_CLIENT_H_ 7 8 #include "base/memory/ref_counted.h" 9 #include "content/common/content_export.h" 10 11 namespace IPC { 12 class Message; 13 } 14 15 namespace content { 16 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 19 // to UtilityProcessHost. 20 class UtilityProcessHostClient 21 : public base::RefCountedThreadSafe<UtilityProcessHostClient> { 22 public: 23 // Called when the process has crashed. 24 virtual void OnProcessCrashed(int exit_code) {} 25 26 // Allow the client to filter IPC messages. 27 virtual bool OnMessageReceived(const IPC::Message& message) = 0; 28 29 protected: 30 friend class base::RefCountedThreadSafe<UtilityProcessHostClient>; 31 32 virtual ~UtilityProcessHostClient() {} 33 }; 34 35 }; // namespace content 36 37 #endif // CONTENT_PUBLIC_BROWSER_UTILITY_PROCESS_HOST_CLIENT_H_ 38
