ozone: evdev: Add gamepad support

ui/events/devices/device_data_manager.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_DEVICES_DEVICE_DATA_MANAGER_H_
 #define UI_EVENTS_DEVICES_DEVICE_DATA_MANAGER_H_
 
 #include <stdint.h>
 
 #include <array>
@@ skipping 41 matching lines @@
   void UpdateTouchRadiusScale(int touch_device_id, double scale);
   void ApplyTouchRadiusScale(int touch_device_id, double* radius);
 
   void SetTouchscreensEnabled(bool enabled);
 
   // InputDeviceManager:
   const std::vector<TouchscreenDevice>& GetTouchscreenDevices() const override;
   const std::vector<InputDevice>& GetKeyboardDevices() const override;
   const std::vector<InputDevice>& GetMouseDevices() const override;
   const std::vector<InputDevice>& GetTouchpadDevices() const override;
+  const std::vector<InputDevice>& GetGamepadDevices() const override;
   bool AreDeviceListsComplete() const override;
   bool AreTouchscreensEnabled() const override;
 
   void AddObserver(InputDeviceEventObserver* observer) override;
   void RemoveObserver(InputDeviceEventObserver* observer) override;
 
  protected:
   DeviceDataManager();
 
   static DeviceDataManager* instance();
 
   static void set_instance(DeviceDataManager* instance);
 
   // DeviceHotplugEventObserver:
   void OnTouchscreenDevicesUpdated(
       const std::vector<TouchscreenDevice>& devices) override;
   void OnKeyboardDevicesUpdated(
       const std::vector<InputDevice>& devices) override;
   void OnMouseDevicesUpdated(
       const std::vector<InputDevice>& devices) override;
   void OnTouchpadDevicesUpdated(
       const std::vector<InputDevice>& devices) override;
+  void OnGamepadDevicesUpdated(
+      const std::vector<InputDevice>& devices) override;
   void OnDeviceListsComplete() override;
   void OnStylusStateChanged(StylusState state) override;
 
  private:
   // Information related to a touchscreen device.
   struct TouchscreenInfo {
     TouchscreenInfo();
     void Reset();
 
     double radius_scale;
     int64_t target_display;
     gfx::Transform device_transform;
   };
 
   friend class test::DeviceDataManagerTestAPI;
 
   static DeviceDataManager* instance_;
 
   bool IsTouchDeviceIdValid(int touch_device_id) const;
 
   void NotifyObserversTouchscreenDeviceConfigurationChanged();
   void NotifyObserversKeyboardDeviceConfigurationChanged();
   void NotifyObserversMouseDeviceConfigurationChanged();
   void NotifyObserversTouchpadDeviceConfigurationChanged();
+  void NotifyObserversGamepadDeviceConfigurationChanged();
   void NotifyObserversDeviceListsComplete();
   void NotifyObserversStylusStateChanged(StylusState stylus_state);
 
   std::vector<TouchscreenDevice> touchscreen_devices_;
   std::vector<InputDevice> keyboard_devices_;
   std::vector<InputDevice> mouse_devices_;
   std::vector<InputDevice> touchpad_devices_;
+  std::vector<InputDevice> gamepad_devices_;
   bool device_lists_complete_ = false;
 
   base::ObserverList<InputDeviceEventObserver> observers_;
 
   bool touch_screens_enabled_ = true;
 
   // Contains touchscreen device info for each device mapped by device ID. Will
   // have default values if the device with corresponding ID isn't a touchscreen
   // or doesn't exist.
   std::array<TouchscreenInfo, kMaxDeviceNum> touch_map_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceDataManager);
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_DEVICES_DEVICE_DATA_MANAGER_H_