Index: ipc/message_filter_router.h |
diff --git a/ipc/message_filter_router.h b/ipc/message_filter_router.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..183b8ebc8a90141a75b45adc764fc85425f54883 |
--- /dev/null |
+++ b/ipc/message_filter_router.h |
@@ -0,0 +1,42 @@ |
+// Copyright 2014 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 IPC_MESSAGE_FILTER_ROUTER_H_ |
+#define IPC_MESSAGE_FILTER_ROUTER_H_ |
+ |
+#include <vector> |
+ |
+#include "ipc/ipc_message_start.h" |
+ |
+namespace IPC { |
+ |
+class Message; |
+class MessageFilter; |
+ |
+class MessageFilterRouter { |
+ public: |
+ typedef std::vector<MessageFilter*> MessageFilters; |
+ |
+ MessageFilterRouter(); |
+ ~MessageFilterRouter(); |
+ |
+ void AddFilter(MessageFilter* filter); |
+ void RemoveFilter(MessageFilter* filter); |
+ bool TryFilters(const Message& message); |
+ void Clear(); |
+ |
+ private: |
+ // List of global and selective filters; a given filter will exist in either |
+ // |message_global_filters_| OR |message_class_filters_|, but not both. |
+ // Note that |message_global_filters_| will be given first offering of any |
+ // given message. It's the filter implementer and installer's |
+ // responsibility to ensure that a filter is either global or selective to |
+ // ensure proper message filtering order. |
+ MessageFilters global_filters_; |
+ MessageFilters message_class_filters_[LastIPCMsgStart]; |
+}; |
+ |
+} // namespace IPC |
+ |
+#endif // IPC_MESSAGE_FILTER_ROUTER_H_ |