ozone: evdev: Add gamepad support

ui/events/ozone/evdev/event_factory_evdev.h

 // Copyright 2014 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 UI_EVENTS_OZONE_EVDEV_EVENT_FACTORY_EVDEV_H_
 #define UI_EVENTS_OZONE_EVDEV_EVENT_FACTORY_EVDEV_H_
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
@@ skipping 47 matching lines @@
   void Init();
 
   void WarpCursorTo(gfx::AcceleratedWidget widget,
                     const gfx::PointF& location);
 
   std::unique_ptr<SystemInputInjector> CreateSystemInputInjector();
 
   InputControllerEvdev* input_controller() { return &input_controller_; }
 
   // User input events.
+  void DispatchGamepadEvent(const GamepadEventParams& params);
   void DispatchKeyEvent(const KeyEventParams& params);
   void DispatchMouseMoveEvent(const MouseMoveEventParams& params);
   void DispatchMouseButtonEvent(const MouseButtonEventParams& params);
   void DispatchMouseWheelEvent(const MouseWheelEventParams& params);
   void DispatchPinchEvent(const PinchEventParams& params);
   void DispatchScrollEvent(const ScrollEventParams& params);
   void DispatchTouchEvent(const TouchEventParams& params);
 
   // Device lifecycle events.
+  void DispatchGamepadDevicesUpdated(const std::vector<InputDevice>& devices);
   void DispatchKeyboardDevicesUpdated(const std::vector<InputDevice>& devices);
   void DispatchTouchscreenDevicesUpdated(
       const std::vector<TouchscreenDevice>& devices);
   void DispatchMouseDevicesUpdated(const std::vector<InputDevice>& devices);
   void DispatchTouchpadDevicesUpdated(const std::vector<InputDevice>& devices);
   void DispatchDeviceListsComplete();
   void DispatchStylusStateChanged(StylusState stylus_state);
 
  protected:
   // DeviceEventObserver overrides:
@@ skipping 51 matching lines @@
 
   // Support weak pointers for attach & detach callbacks.
   base::WeakPtrFactory<EventFactoryEvdev> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(EventFactoryEvdev);
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_OZONE_EVDEV_EVENT_FACTORY_EVDEV_H_