Improve processing of Bluetooth device discovery on Windows.

device/bluetooth/bluetooth_device_win.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef DEVICE_BLUETOOTH_BLUETOOTH_DEVICE_WIN_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_DEVICE_WIN_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/observer_list.h"
 #include "device/bluetooth/bluetooth_device.h"
 #include "device/bluetooth/bluetooth_task_manager_win.h"
 
 namespace device {
 
 class BluetoothAdapterWin;
 class BluetoothServiceRecordWin;
 class BluetoothSocketThread;
 
 class BluetoothDeviceWin : public BluetoothDevice {
  public:
   explicit BluetoothDeviceWin(
-      const BluetoothTaskManagerWin::DeviceState& state,
-      scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
-      scoped_refptr<BluetoothSocketThread> socket_thread,
+      const BluetoothTaskManagerWin::DeviceState& device_state,
+      const scoped_refptr<base::SequencedTaskRunner>& ui_task_runner,
+      const scoped_refptr<BluetoothSocketThread>& socket_thread,
       net::NetLog* net_log,
       const net::NetLog::Source& net_log_source);
   virtual ~BluetoothDeviceWin();
 
   // BluetoothDevice override
   virtual uint32 GetBluetoothClass() const OVERRIDE;
   virtual std::string GetAddress() const OVERRIDE;
   virtual VendorIDSource GetVendorIDSource() const OVERRIDE;
   virtual uint16 GetVendorID() const OVERRIDE;
   virtual uint16 GetProductID() const OVERRIDE;
@@ skipping 31 matching lines @@
       const ConnectErrorCallback& error_callback) OVERRIDE;
   virtual void StartConnectionMonitor(
       const base::Closure& callback,
       const ErrorCallback& error_callback) OVERRIDE;
 
   // Used by BluetoothProfileWin to retrieve the service record for the given
   // |uuid|.
   const BluetoothServiceRecordWin* GetServiceRecord(
       const device::BluetoothUUID& uuid) const;
 
+  // Returns true if all fields and services of this instance are equal to the
+  // fields and services stored in |device_state|.
+  bool IsEqual(const BluetoothTaskManagerWin::DeviceState& device_state);
+
+  // Updates this instance with all fields and properties stored in
+  // |device_state|.
+  void Update(const BluetoothTaskManagerWin::DeviceState& device_state);
+
  protected:
   // BluetoothDevice override
   virtual std::string GetDeviceName() const OVERRIDE;
 
  private:
   friend class BluetoothAdapterWin;
 
   // Used by BluetoothAdapterWin to update the visible state during
   // discovery.
   void SetVisible(bool visible);
 
+  // Updates the services with services stored in |device_state|.
+  void UpdateServices(const BluetoothTaskManagerWin::DeviceState& device_state);
+
   scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
   scoped_refptr<BluetoothSocketThread> socket_thread_;
   net::NetLog* net_log_;
   net::NetLog::Source net_log_source_;
 
   // The Bluetooth class of the device, a bitmask that may be decoded using
   // https://www.bluetooth.org/Technical/AssignedNumbers/baseband.htm
   uint32 bluetooth_class_;
 
   // The name of the device, as supplied by the remote device.
@@ skipping 17 matching lines @@
   // The service records retrieved from SDP.
   typedef ScopedVector<BluetoothServiceRecordWin> ServiceRecordList;
   ServiceRecordList service_record_list_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothDeviceWin);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_DEVICE_WIN_H_