src/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   void Connect(const HidDeviceId& device_id,
  27                const ConnectCallback& callback) override;
  28
  29   // Implements DeviceMonitorLinux::Observer:
  30   void OnDeviceAdded(udev_device* device) override;
  31   void OnDeviceRemoved(udev_device* device) override;
  32
  33  private:
  34   ~HidServiceLinux() override;
  35
  36   void FinishConnect(const HidDeviceId& device_id,
  37                      const std::string device_node,
  38                      const ConnectCallback& callback,
  39                      bool success);
  40
  41   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
  42   scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_;
  43
  44   base::WeakPtrFactory<HidServiceLinux> weak_factory_;
  45
  46   DISALLOW_COPY_AND_ASSIGN(HidServiceLinux);
  47 };
  48
  49 }  // namespace device
  50
  51 #endif  // DEVICE_HID_HID_SERVICE_LINUX_H_