ozone: evdev: Add gamepad support

ui/events/ozone/evdev/input_device_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_INPUT_DEVICE_FACTORY_EVDEV_H_
 #define UI_EVENTS_OZONE_EVDEV_INPUT_DEVICE_FACTORY_EVDEV_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 72 matching lines @@
   // Policy for device enablement.
   bool IsDeviceEnabled(const EventConverterEvdev* converter);
 
   // Update observers on device changes.
   void UpdateDirtyFlags(const EventConverterEvdev* converter);
   void NotifyDevicesUpdated();
   void NotifyKeyboardsUpdated();
   void NotifyTouchscreensUpdated();
   void NotifyMouseDevicesUpdated();
   void NotifyTouchpadDevicesUpdated();
+  void NotifyGamepadDevicesUpdated();
 
   void SetIntPropertyForOneType(const EventDeviceType type,
                                 const std::string& name,
                                 int value);
   void SetBoolPropertyForOneType(const EventDeviceType type,
                                  const std::string& name,
                                  bool value);
 
   // Owned per-device event converters (by path).
   std::map<base::FilePath, std::unique_ptr<EventConverterEvdev>> converters_;
@@ skipping 11 matching lines @@
 
   // Dispatcher for events.
   std::unique_ptr<DeviceEventDispatcherEvdev> dispatcher_;
 
   // Number of pending device additions & device classes.
   int pending_device_changes_ = 0;
   bool touchscreen_list_dirty_ = true;
   bool keyboard_list_dirty_ = true;
   bool mouse_list_dirty_ = true;
   bool touchpad_list_dirty_ = true;
+  bool gamepad_list_dirty_ = true;
 
   // Whether we have a list of devices that were present at startup.
   bool startup_devices_enumerated_ = false;
 
   // Whether devices that were present at startup are open.
   bool startup_devices_opened_ = false;
 
   // LEDs.
   bool caps_lock_led_enabled_ = false;
 
   // Whether touch palm suppression is enabled.
   bool palm_suppression_enabled_ = false;
 
   // Device settings. These primarily affect libgestures behavior.
   InputDeviceSettingsEvdev input_device_settings_;
 
   // Support weak pointers for attach & detach callbacks.
   base::WeakPtrFactory<InputDeviceFactoryEvdev> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(InputDeviceFactoryEvdev);
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_OZONE_EVDEV_INPUT_DEVICE_FACTORY_EVDEV_H_