src/ui/events/ozone/device/udev/device_manager_udev.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_OZONE_DEVICE_UDEV_DEVICE_MANAGER_UDEV_H_
   6 #define UI_EVENTS_OZONE_DEVICE_UDEV_DEVICE_MANAGER_UDEV_H_
   7
   8 #include "base/message_loop/message_pump_libevent.h"
   9 #include "base/observer_list.h"
  10 #include "ui/events/ozone/device/device_manager.h"
  11 #include "ui/events/ozone/device/udev/scoped_udev.h"
  12
  13 namespace ui {
  14
  15 class DeviceEvent;
  16 class DeviceEventObserver;
  17
  18 class DeviceManagerUdev
  19     : public DeviceManager, base::MessagePumpLibevent::Watcher {
  20  public:
  21   DeviceManagerUdev();
  22   virtual ~DeviceManagerUdev();
  23
  24  private:
  25   scoped_ptr<DeviceEvent> ProcessMessage(udev_device* device);
  26
  27   // DeviceManager overrides:
  28   virtual void ScanDevices(DeviceEventObserver* observer) OVERRIDE;
  29   virtual void AddObserver(DeviceEventObserver* observer) OVERRIDE;
  30   virtual void RemoveObserver(DeviceEventObserver* observer) OVERRIDE;
  31
  32   // base::MessagePumpLibevent::Watcher overrides:
  33   virtual void OnFileCanReadWithoutBlocking(int fd) OVERRIDE;
  34   virtual void OnFileCanWriteWithoutBlocking(int fd) OVERRIDE;
  35
  36   scoped_udev udev_;
  37   scoped_udev_monitor monitor_;
  38
  39   base::MessagePumpLibevent::FileDescriptorWatcher controller_;
  40
  41   ObserverList<DeviceEventObserver> observers_;
  42
  43   DISALLOW_COPY_AND_ASSIGN(DeviceManagerUdev);
  44 };
  45
  46 }  // namespace ui
  47
  48 #endif  // UI_EVENTS_OZONE_DEVICE_UDEV_DEVICE_MANAGER_UDEV_H_