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 IPC_MESSAGE_FILTER_ROUTER_H_ 6 #define IPC_MESSAGE_FILTER_ROUTER_H_ 7 8 #include <vector> 9 10 #include "ipc/ipc_message_start.h" 11 12 namespace IPC { 13 14 class Message; 15 class MessageFilter; 16 17 class MessageFilterRouter { 18 public: 19 typedef std::vector<MessageFilter*> MessageFilters; 20 21 MessageFilterRouter(); 22 ~MessageFilterRouter(); 23 24 void AddFilter(MessageFilter* filter); 25 void RemoveFilter(MessageFilter* filter); 26 bool TryFilters(const Message& message); 27 void Clear(); 28 29 private: 30 // List of global and selective filters; a given filter will exist in either 31 // |message_global_filters_| OR |message_class_filters_|, but not both. 32 // Note that |message_global_filters_| will be given first offering of any 33 // given message. It's the filter implementer and installer's 34 // responsibility to ensure that a filter is either global or selective to 35 // ensure proper message filtering order. 36 MessageFilters global_filters_; 37 MessageFilters message_class_filters_[LastIPCMsgStart]; 38 }; 39 40 } // namespace IPC 41 42 #endif // IPC_MESSAGE_FILTER_ROUTER_H_ 43
