Add the plumbing that will carry a clipboard item from a chromoting client to a host.

remoting/host/client_session.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 "remoting/host/client_session.h"
 
 #include <algorithm>
 
 #include "base/message_loop_proxy.h"
 #include "remoting/host/capturer.h"
 #include "remoting/proto/event.pb.h"
 
 // The number of remote mouse events to record for the purpose of eliminating
 // "echoes" detected by the local input detector. The value should be large
 // enough to cope with the fact that multiple events might be injected before
 // any echoes are detected.
 static const unsigned int kNumRemoteMousePositions = 50;
 
 // The number of milliseconds for which to block remote input when local input
 // is received.
 static const int64 kRemoteBlockTimeoutMillis = 2000;
 
 namespace remoting {
 
+using protocol::ClipboardEvent;

[Sergey Ulanov, 2012/03/14 20:27:07]

There is only one place when this is used, so maybe remove this and just specify
the namespace directly.

[simonmorris, 2012/03/14 21:20:21]

Done.

 using protocol::KeyEvent;
 using protocol::MouseEvent;
 
 ClientSession::ClientSession(
     EventHandler* event_handler,
     protocol::ConnectionToClient* connection,
+    protocol::ClipboardStub* clipboard_stub,
     protocol::InputStub* input_stub,
     Capturer* capturer)
     : event_handler_(event_handler),
       connection_(connection),
       client_jid_(connection->session()->jid()),
+      clipboard_stub_(clipboard_stub),
       input_stub_(input_stub),
       capturer_(capturer),
       authenticated_(false),
       awaiting_continue_approval_(false),
       remote_mouse_button_state_(0) {
   connection_->SetEventHandler(this);
 
   // TODO(sergeyu): Currently ConnectionToClient expects stubs to be
   // set before channels are connected. Make it possible to set stubs
   // later and set them only when connection is authenticated.
+  connection_->set_clipboard_stub(this);
   connection_->set_host_stub(this);
   connection_->set_input_stub(this);
 }
 
 ClientSession::~ClientSession() {
 }
 
+void ClientSession::InjectClipboardEvent(const ClipboardEvent& event) {
+  DCHECK(CalledOnValidThread());
+
+  if (authenticated_) {
+    clipboard_stub_->InjectClipboardEvent(event);
+  }
+}
+
 void ClientSession::InjectKeyEvent(const KeyEvent& event) {
   DCHECK(CalledOnValidThread());
 
   if (authenticated_ && !ShouldIgnoreRemoteKeyboardInput(event)) {
     RecordKeyEvent(event);
     input_stub_->InjectKeyEvent(event);
   }
 }
 
 void ClientSession::InjectMouseEvent(const MouseEvent& event) {
@@ skipping 192 matching lines @@
       mouse.set_y(remote_mouse_pos_.y());
       mouse.set_button((MouseEvent::MouseButton)i);
       mouse.set_button_down(false);
       input_stub_->InjectMouseEvent(mouse);
     }
   }
   remote_mouse_button_state_ = 0;
 }
 
 }  // namespace remoting