device/hid/hid_service_linux.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 DEVICE_HID_HID_SERVICE_LINUX_H_
   6 #define DEVICE_HID_HID_SERVICE_LINUX_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/macros.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "device/hid/device_monitor_linux.h"
  12 #include "device/hid/hid_device_info.h"
  13 #include "device/hid/hid_service.h"
  14
  15 struct udev_device;
  16
  17 namespace device {
  18
  19 class HidConnection;
  20
  21 class HidServiceLinux : public HidService,
  22                         public DeviceMonitorLinux::Observer {
  23  public:
  24   HidServiceLinux(scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner);
  25
  26   virtual scoped_refptr<HidConnection> Connect(const HidDeviceId& device_id)
  27       OVERRIDE;
  28
  29   // Implements DeviceMonitorLinux::Observer:
  30   virtual void OnDeviceAdded(udev_device* device) OVERRIDE;
  31   virtual void OnDeviceRemoved(udev_device* device) OVERRIDE;
  32
  33  private:
  34   virtual ~HidServiceLinux();
  35
  36   void OnRequestAccessComplete(
  37       const std::string& path,
  38       scoped_ptr<HidDeviceInfo> device_info,
  39       bool success);
  40
  41   scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
  42
  43   base::WeakPtrFactory<HidServiceLinux> weak_factory_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(HidServiceLinux);
  46 };
  47
  48 }  // namespace device
  49
  50 #endif  // DEVICE_HID_HID_SERVICE_LINUX_H_