Added support of relative mouse motion in Chromoting.

remoting/client/plugin/pepper_input_handler.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/client/plugin/pepper_input_handler.h"
 
 #include "base/logging.h"
 #include "ppapi/c/dev/ppb_keyboard_input_event_dev.h"
 #include "ppapi/cpp/input_event.h"
 #include "ppapi/cpp/module_impl.h"
@@ skipping 17 matching lines @@
 uint32_t GetUsbKeyCode(pp::KeyboardInputEvent pp_key_event) {
   const PPB_KeyboardInputEvent_Dev* key_event_interface =
       reinterpret_cast<const PPB_KeyboardInputEvent_Dev*>(
           pp::Module::Get()->GetBrowserInterface(
               PPB_KEYBOARD_INPUT_EVENT_DEV_INTERFACE));
   if (!key_event_interface)
     return 0;
   return key_event_interface->GetUsbKeyCode(pp_key_event.pp_resource());
 }
 
-bool PepperInputHandler::HandleInputEvent(const pp::InputEvent& event) {
+bool PepperInputHandler::HandleInputEvent(const pp::InputEvent& event,
+                                          bool mouse_locked) {
   switch (event.GetType()) {
     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: {
       pp::KeyboardInputEvent pp_key_event(event);
@@ skipping 42 matching lines @@
       return true;
     }
 
     case PP_INPUTEVENT_TYPE_MOUSEMOVE:
     case PP_INPUTEVENT_TYPE_MOUSEENTER:
     case PP_INPUTEVENT_TYPE_MOUSELEAVE: {
       pp::MouseInputEvent pp_mouse_event(event);
       protocol::MouseEvent mouse_event;
       mouse_event.set_x(pp_mouse_event.GetPosition().x());
       mouse_event.set_y(pp_mouse_event.GetPosition().y());
+      if (mouse_locked) {
+        pp::Point delta = pp_mouse_event.GetMovement();
+        mouse_event.set_delta_x(delta.x());
+        mouse_event.set_delta_y(delta.y());
+      }
       input_stub_->InjectMouseEvent(mouse_event);
       return true;
     }
 
     case PP_INPUTEVENT_TYPE_WHEEL: {
       pp::WheelInputEvent pp_wheel_event(event);
 
-      // Don't handle scroll-by-page events, for now.
+      // Don't handle scroll-by-page events, for now..\admin2

[Wez, 2013/09/05 20:24:45]

Ctrl+V fail ;)

[alexeypa (please no reviews), 2013/09/06 20:00:17]

At least it wasn't the password. :-)

       if (pp_wheel_event.GetScrollByPage())
         return false;
 
       // Add this event to our accumulated sub-pixel deltas and clicks.
       pp::FloatPoint delta = pp_wheel_event.GetDelta();
       wheel_delta_x_ += delta.x();
       wheel_delta_y_ += delta.y();
       pp::FloatPoint ticks = pp_wheel_event.GetTicks();
       wheel_ticks_x_ += ticks.x();
       wheel_ticks_y_ += ticks.y();
@@ skipping 34 matching lines @@
     default: {
       LOG(INFO) << "Unhandled input event: " << event.GetType();
       break;
     }
   }
 
   return false;
 }
 
 }  // namespace remoting