Clamp events before they are sent to EventExecutors.

remoting/host/client_session.h

 // 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.
 
 #ifndef REMOTING_HOST_CLIENT_SESSION_H_
 #define REMOTING_HOST_CLIENT_SESSION_H_
 
 #include <list>
 
 #include "base/time.h"
 #include "base/threading/non_thread_safe.h"
 #include "remoting/host/remote_input_filter.h"
 #include "remoting/protocol/clipboard_stub.h"
 #include "remoting/protocol/connection_to_client.h"
 #include "remoting/protocol/host_event_stub.h"
 #include "remoting/protocol/host_stub.h"
 #include "remoting/protocol/input_event_tracker.h"
 #include "remoting/protocol/input_filter.h"
 #include "remoting/protocol/input_stub.h"
+#include "remoting/protocol/mouse_input_filter.h"
 #include "third_party/skia/include/core/SkPoint.h"
 
 namespace remoting {
 
 class Capturer;
 
 // A ClientSession keeps a reference to a connection to a client, and maintains
 // per-client state.
 class ClientSession : public protocol::HostEventStub,
                       public protocol::HostStub,
@@ skipping 86 matching lines @@
   void SetDisableInputs(bool disable_inputs);
 
  private:
   EventHandler* event_handler_;
 
   // The connection to the client.
   scoped_ptr<protocol::ConnectionToClient> connection_;
 
   std::string client_jid_;
 
-  // The host event stub to which this object delegates.
+  // The host event stub to which this object delegates. This is the final
+  // element in the input pipeline, whose components appear in order below.
   protocol::HostEventStub* host_event_stub_;
 
   // Tracker used to release pressed keys and buttons when disconnecting.
   protocol::InputEventTracker input_tracker_;
 
   // Filter used to disable remote inputs during local input activity.
   RemoteInputFilter remote_input_filter_;
 
+  // Filter used to clamp mouse events to the current display dimensions.
+  protocol::MouseInputFilter mouse_input_filter_;
+
   // Filter used to manage enabling & disabling of client input events.
   protocol::InputFilter disable_input_filter_;
 
   // Filter used to disable inputs when we're not authenticated.
   protocol::InputFilter auth_input_filter_;
 
   // Capturer, used to determine current screen size for ensuring injected
   // mouse events fall within the screen area.
   // TODO(lambroslambrou): Move floor-control logic, and clamping to screen
   // area, out of this class (crbug.com/96508).
   Capturer* capturer_;
 
   DISALLOW_COPY_AND_ASSIGN(ClientSession);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_CLIENT_SESSION_H_