client-side wheel mouse support

remoting/client/plugin/chromoting_instance.cc

 // Copyright (c) 2010 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/client/plugin/chromoting_instance.h"
 
 #include <string>
 #include <vector>
 
 #include "base/message_loop.h"
@@ skipping 188 matching lines @@
     case PP_INPUTEVENT_TYPE_MOUSEUP:
       pih->HandleMouseButtonEvent(false, event.u.mouse);
       return true;
 
     case PP_INPUTEVENT_TYPE_MOUSEMOVE:
     case PP_INPUTEVENT_TYPE_MOUSEENTER:
     case PP_INPUTEVENT_TYPE_MOUSELEAVE:
       pih->HandleMouseMoveEvent(event.u.mouse);
       return true;
 
+    case PP_INPUTEVENT_TYPE_MOUSEWHEEL:
+      pih->HandleMouseWheelEvent(event.u.wheel);
+      return true;
+
     case PP_INPUTEVENT_TYPE_CONTEXTMENU:
       // We need to return true here or else we'll get a local (plugin) context
       // menu instead of the mouseup event for the right click.
       return true;
 
     case PP_INPUTEVENT_TYPE_KEYDOWN:
     case PP_INPUTEVENT_TYPE_KEYUP:
       VLOG(3) << "PP_INPUTEVENT_TYPE_KEY"
                 << (event.type==PP_INPUTEVENT_TYPE_KEYDOWN ? "DOWN" : "UP")
                 << " key=" << event.u.key.key_code;
@@ skipping 52 matching lines @@
     object->Init();
 
     // The pp::Var takes ownership of object here.
     instance_object_ = pp::Var(this, object);
   }
 
   return instance_object_;
 }
 
 }  // namespace remoting