1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef UI_EVENTS_X_HOTPLUG_EVENT_HANDLER_H_ 6 #define UI_EVENTS_X_HOTPLUG_EVENT_HANDLER_H_ 7 8 #include "ui/events/x/device_list_cache_x.h" 9 10 namespace ui { 11 12 class DeviceHotplugEventObserver; 13 14 // Parses X11 native devices and propagates the list of active devices to an 15 // observer. 16 class EVENTS_BASE_EXPORT HotplugEventHandlerX11 { 17 public: 18 explicit HotplugEventHandlerX11(DeviceHotplugEventObserver* delegate); 19 ~HotplugEventHandlerX11(); 20 21 // Called on an X11 hotplug event. 22 void OnHotplugEvent(); 23 24 private: 25 void HandleTouchscreenDevices(const XIDeviceList& device_list); 26 27 DeviceHotplugEventObserver* delegate_; // Not owned. 28 29 DISALLOW_COPY_AND_ASSIGN(HotplugEventHandlerX11); 30 }; 31 32 } // namespace ui 33 34 #endif // UI_EVENTS_X_HOTPLUG_EVENT_HANDLER_H_ 35