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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 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 #include "chrome/common/message_router.h" | 5 #include "chrome/common/message_router.h" | 
| 6 #include "chrome/common/render_messages.h" | 6 #include "chrome/common/render_messages.h" | 
| 7 | 7 | 
| 8 void MessageRouter::OnControlMessageReceived(const IPC::Message& msg) { | 8 void MessageRouter::OnControlMessageReceived(const IPC::Message& msg) { | 
| 9   NOTREACHED() << "should override in subclass if you care about control message
    s"; | 9   NOTREACHED() << | 
|  | 10       "should override in subclass if you care about control messages"; | 
| 10 } | 11 } | 
| 11 | 12 | 
| 12 bool MessageRouter::Send(IPC::Message* msg) { | 13 bool MessageRouter::Send(IPC::Message* msg) { | 
| 13   NOTREACHED() << "should override in subclass if you care about sending message
    s"; | 14   NOTREACHED() << | 
|  | 15       "should override in subclass if you care about sending messages"; | 
| 14   return false; | 16   return false; | 
| 15 } | 17 } | 
| 16 | 18 | 
| 17 void MessageRouter::AddRoute(int32 routing_id, | 19 void MessageRouter::AddRoute(int32 routing_id, | 
| 18                              IPC::Channel::Listener* listener) { | 20                              IPC::Channel::Listener* listener) { | 
| 19   routes_.AddWithID(listener, routing_id); | 21   routes_.AddWithID(listener, routing_id); | 
| 20 } | 22 } | 
| 21 | 23 | 
| 22 void MessageRouter::RemoveRoute(int32 routing_id) { | 24 void MessageRouter::RemoveRoute(int32 routing_id) { | 
| 23   routes_.Remove(routing_id); | 25   routes_.Remove(routing_id); | 
| 24 } | 26 } | 
| 25 | 27 | 
| 26 void MessageRouter::OnMessageReceived(const IPC::Message& msg) { | 28 void MessageRouter::OnMessageReceived(const IPC::Message& msg) { | 
| 27   if (msg.routing_id() == MSG_ROUTING_CONTROL) { | 29   if (msg.routing_id() == MSG_ROUTING_CONTROL) { | 
| 28     OnControlMessageReceived(msg); | 30     OnControlMessageReceived(msg); | 
| 29   } else { | 31   } else { | 
| 30     RouteMessage(msg); | 32     RouteMessage(msg); | 
| 31   } | 33   } | 
| 32 } | 34 } | 
| 33 | 35 | 
| 34 bool MessageRouter::RouteMessage(const IPC::Message& msg) { | 36 bool MessageRouter::RouteMessage(const IPC::Message& msg) { | 
| 35   IPC::Channel::Listener* listener = routes_.Lookup(msg.routing_id()); | 37   IPC::Channel::Listener* listener = routes_.Lookup(msg.routing_id()); | 
| 36   if (!listener) | 38   if (!listener) | 
| 37     return false; | 39     return false; | 
| 38 | 40 | 
| 39   listener->OnMessageReceived(msg); | 41   listener->OnMessageReceived(msg); | 
| 40   return true; | 42   return true; | 
| 41 } | 43 } | 
| 42 | 44 | 
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