client-side wheel mouse support

remoting/client/plugin/pepper_input_handler.h

 // Copyright (c) 2011 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_CLIENT_PLUGIN_PEPPER_INPUT_HANDLER_H_
 #define REMOTING_CLIENT_PLUGIN_PEPPER_INPUT_HANDLER_H_
 
 #include "remoting/client/input_handler.h"
 
 namespace pp {
 class KeyboardInputEvent;
 class MouseInputEvent;
 class WheelInputEvent;
 }
 
-namespace pp {
-class KeyboardInputEvent;
-class MouseInputEvent;
-}  // namespace pp
-
 namespace remoting {
 
 class PepperViewProxy;
 
 class PepperInputHandler : public InputHandler {
  public:
   PepperInputHandler(ClientContext* context,
                      protocol::ConnectionToHost* connection,
                      PepperViewProxy* view);
   virtual ~PepperInputHandler();
 
   virtual void Initialize();
 
   void HandleKeyEvent(bool keydown, const pp::KeyboardInputEvent& event);
   void HandleCharacterEvent(const pp::KeyboardInputEvent& event);
 
   void HandleMouseMoveEvent(const pp::MouseInputEvent& event);
   void HandleMouseButtonEvent(bool button_down,
                               const pp::MouseInputEvent& event);
+  void HandleMouseWheelEvent(const pp::WheelInputEvent& event);
 
  private:
   PepperViewProxy* pepper_view_;
 
+  float wheel_ticks_x_;

[Lambros, 2011/10/14 21:00:25]

You'll probably want these to be doubles, if you decide to use any of the math
libs I've suggested in my comments.  And I've heard doubles are faster than
floats :)

+  float wheel_ticks_y_;
+
   DISALLOW_COPY_AND_ASSIGN(PepperInputHandler);
 };
 
 }  // namespace remoting
 
 DISABLE_RUNNABLE_METHOD_REFCOUNT(remoting::PepperInputHandler);
 
 #endif  // REMOTING_CLIENT_PLUGIN_PEPPER_INPUT_HANDLER_H_