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      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_
     51