ui/events/x/hotplug_event_handler_x11.h

   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_