Decouple IPC::MessageFilter from IPC::Channel

content/renderer/p2p/socket_dispatcher.cc

 // Copyright (c) 2012 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.
 
 #include "content/renderer/p2p/socket_dispatcher.h"
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "content/child/child_process.h"
 #include "content/common/p2p_messages.h"
 #include "content/renderer/p2p/host_address_request.h"
 #include "content/renderer/p2p/network_list_observer.h"
 #include "content/renderer/p2p/socket_client_impl.h"
 #include "content/renderer/render_view_impl.h"
-#include "ipc/ipc_channel.h"
+#include "ipc/ipc_sender.h"
 
 namespace content {
 
 P2PSocketDispatcher::P2PSocketDispatcher(
     base::MessageLoopProxy* ipc_message_loop)
     : message_loop_(ipc_message_loop),
       network_notifications_started_(false),
       network_list_observers_(
           new ObserverListThreadSafe<NetworkListObserver>()),
-      channel_(NULL) {
+      sender_(NULL) {
 }
 
 P2PSocketDispatcher::~P2PSocketDispatcher() {
   network_list_observers_->AssertEmpty();
   for (IDMap<P2PSocketClientImpl>::iterator i(&clients_); !i.IsAtEnd();
        i.Advance()) {
     i.GetCurrentValue()->Detach();
   }
 }
 
 void P2PSocketDispatcher::AddNetworkListObserver(
     NetworkListObserver* network_list_observer) {
   network_list_observers_->AddObserver(network_list_observer);
   network_notifications_started_ = true;
   SendP2PMessage(new P2PHostMsg_StartNetworkNotifications());
 }
 
 void P2PSocketDispatcher::RemoveNetworkListObserver(
     NetworkListObserver* network_list_observer) {
   network_list_observers_->RemoveObserver(network_list_observer);
 }
 
 void P2PSocketDispatcher::Send(IPC::Message* message) {
   DCHECK(message_loop_->BelongsToCurrentThread());
-  if (!channel_) {
-    DLOG(WARNING) << "P2PSocketDispatcher::Send() - Channel closed.";
+  if (!sender_) {
+    DLOG(WARNING) << "P2PSocketDispatcher::Send() - Sender closed.";
     delete message;
     return;
   }
 
-  channel_->Send(message);
+  sender_->Send(message);
 }
 
 bool P2PSocketDispatcher::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(P2PSocketDispatcher, message)
     IPC_MESSAGE_HANDLER(P2PMsg_NetworkListChanged, OnNetworkListChanged)
     IPC_MESSAGE_HANDLER(P2PMsg_GetHostAddressResult, OnGetHostAddressResult)
     IPC_MESSAGE_HANDLER(P2PMsg_OnSocketCreated, OnSocketCreated)
     IPC_MESSAGE_HANDLER(P2PMsg_OnIncomingTcpConnection, OnIncomingTcpConnection)
     IPC_MESSAGE_HANDLER(P2PMsg_OnSendComplete, OnSendComplete)
     IPC_MESSAGE_HANDLER(P2PMsg_OnError, OnError)
     IPC_MESSAGE_HANDLER(P2PMsg_OnDataReceived, OnDataReceived)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
-void P2PSocketDispatcher::OnFilterAdded(IPC::Channel* channel) {
+void P2PSocketDispatcher::OnFilterAdded(IPC::Sender* sender) {
   DVLOG(1) << "P2PSocketDispatcher::OnFilterAdded()";
-  channel_ = channel;
+  sender_ = sender;
 }
 
 void P2PSocketDispatcher::OnFilterRemoved() {
-  channel_ = NULL;
+  sender_ = NULL;
 }
 
 void P2PSocketDispatcher::OnChannelClosing() {
-  channel_ = NULL;
+  sender_ = NULL;
 }
 
 base::MessageLoopProxy* P2PSocketDispatcher::message_loop() {
   return message_loop_.get();
 }
 
 int P2PSocketDispatcher::RegisterClient(P2PSocketClientImpl* client) {
   DCHECK(message_loop_->BelongsToCurrentThread());
   return clients_.Add(client);
 }
@@ skipping 89 matching lines @@
     // hasn't processed the close message by the time it sends the
     // message to the renderer.
     VLOG(1) << "Received P2P message for socket that doesn't exist.";
     return NULL;
   }
 
   return client;
 }
 
 }  // namespace content