ipc/chromium/src/chrome/common/message_router.cc

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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
3 // found in the LICENSE file.
4
5 #include "chrome/common/message_router.h"
6
7 void MessageRouter::OnControlMessageReceived(const IPC::Message& msg) {
8 NOTREACHED() <<
9 "should override in subclass if you care about control messages";
10 }
11
12 bool MessageRouter::Send(IPC::Message* msg) {
13 NOTREACHED() <<
14 "should override in subclass if you care about sending messages";
15 return false;
16 }
17
18 void MessageRouter::AddRoute(int32_t routing_id,
19 IPC::Channel::Listener* listener) {
20 routes_.AddWithID(listener, routing_id);
21 }
22
23 void MessageRouter::RemoveRoute(int32_t routing_id) {
24 routes_.Remove(routing_id);
25 }
26
27 void MessageRouter::OnMessageReceived(const IPC::Message& msg) {
28 if (msg.routing_id() == MSG_ROUTING_CONTROL) {
29 OnControlMessageReceived(msg);
30 } else {
31 RouteMessage(msg);
32 }
33 }
34
35 bool MessageRouter::RouteMessage(const IPC::Message& msg) {
36 IPC::Channel::Listener* listener = routes_.Lookup(msg.routing_id());
37 if (!listener)
38 return false;
39
40 listener->OnMessageReceived(msg);
41 return true;
42 }

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