bluetooth: Replace old advertised uuids

device/bluetooth/bluetooth_device.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_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_DEVICE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 270 matching lines @@
 
   // Indicates whether there is a call to Connect() ongoing. For this attribute,
   // we consider a call is ongoing if none of the callbacks passed to Connect()
   // were called after the corresponding call to Connect().
   virtual bool IsConnecting() const = 0;
 
   // Indicates whether the device can be trusted, based on device properties,
   // such as vendor and product id.
   bool IsTrustable() const;
 
-  // Returns the set of UUIDs that this device supports. For classic Bluetooth
-  // devices this data is collected from both the EIR data and SDP tables,
-  // for Low Energy devices this data is collected from AD and GATT primary
-  // services, for dual mode devices this may be collected from both./
-  virtual UUIDList GetUUIDs() const = 0;
+  // Returns the set of UUIDs that this device supports.
+  //  * For classic Bluetooth devices this data is collected from both the EIR
+  //    data and SDP tables.
+  //  * For non-connected Low Energy Devices this returns the latest advertised
+  //    UUIDs.
+  //  * For connected Low Energy Devices for which services have not been
+  //    discovered returns an empty list.
+  //  * For connected Low Energy Devices for which services have been discovered
+  //    returns the UUIDs of the device's services.
+  //  * For dual mode devices this may be collected from both.
+  //
+  // Note: On ChromeOS and Linux, Bluez persists all services meaning if
+  // a device stops advertising a service this function will still return
+  // its UUID.
+  virtual UUIDList GetUUIDs() const;
 
   // The received signal strength, in dBm. This field is avaliable and valid
   // only during discovery. If not during discovery, or RSSI wasn't reported,
   // this method will return |kUnknownPower|.
   virtual int16_t GetInquiryRSSI() const = 0;
 
   // The transmitted power level. This field is avaliable only for LE devices
   // that include this field in AD. It is avaliable and valid only during
   // discovery. If not during discovery, or TxPower wasn't reported, this
   // method will return |kUnknownPower|.
@@ skipping 179 matching lines @@
 
   // Update the last time this device was seen.
   void UpdateTimestamp();
 
   // Return associated BluetoothAdapter.
   BluetoothAdapter* GetAdapter() { return adapter_; }
 
  protected:
   // BluetoothGattConnection is a friend to call Add/RemoveGattConnection.
   friend BluetoothGattConnection;
+  FRIEND_TEST_ALL_PREFIXES(BluetoothTest, GetUUIDs);
   FRIEND_TEST_ALL_PREFIXES(
       BluetoothTest,
       BluetoothGattConnection_DisconnectGatt_SimulateConnect);
   FRIEND_TEST_ALL_PREFIXES(
       BluetoothTest,
       BluetoothGattConnection_DisconnectGatt_SimulateDisconnect);
   FRIEND_TEST_ALL_PREFIXES(BluetoothTest,
                            BluetoothGattConnection_ErrorAfterConnection);
   FRIEND_TEST_ALL_PREFIXES(BluetoothTest,
                            BluetoothGattConnection_DisconnectGatt_Cleanup);
@@ skipping 24 matching lines @@
   void DidConnectGatt();
   void DidFailToConnectGatt(ConnectErrorCode);
   void DidDisconnectGatt();
 
   // Tracks BluetoothGattConnection instances that act as a reference count
   // keeping the GATT connection open. Instances call Add/RemoveGattConnection
   // at creation & deletion.
   void AddGattConnection(BluetoothGattConnection*);
   void RemoveGattConnection(BluetoothGattConnection*);
 
+  void UpdateServiceUUIDs();
+
   // Clears the list of service data.
   void ClearServiceData();
 
   // Set the data of a given service designated by its UUID.
   void SetServiceData(BluetoothUUID serviceUUID, const char* buffer,
                       size_t size);
 
   // Update last_update_time_ so that the device appears as expired.
   void SetAsExpiredForTesting();
 
   // Raw pointer to adapter owning this device object. Subclasses use platform
   // specific pointers via adapter_.
   BluetoothAdapter* adapter_;
 
   // Callbacks for pending success and error result of CreateGattConnection.
   std::vector<GattConnectionCallback> create_gatt_connection_success_callbacks_;
   std::vector<ConnectErrorCallback> create_gatt_connection_error_callbacks_;
 
   // BluetoothGattConnection objects keeping the GATT connection alive.
   std::set<BluetoothGattConnection*> gatt_connections_;
 
   // Mapping from the platform-specific GATT service identifiers to
   // BluetoothRemoteGattService objects.
   typedef base::ScopedPtrHashMap<std::string,
                                  std::unique_ptr<BluetoothRemoteGattService>>
       GattServiceMap;
   GattServiceMap gatt_services_;
   bool gatt_services_discovery_complete_;
 
+  // Last advertised service UUIDs. Should be empty if the device is connected.
+  UUIDList advertised_uuids_;
+  // UUIDs of the device's services. Should be empty if the device is not
+  // connected or it's services have not been discovered yet.
+  UUIDList service_uuids_;
+
   // Mapping from service UUID represented as a std::string of a bluetooth
   // service to
   // the specific data. The data is stored as BinaryValue.
   std::unique_ptr<base::DictionaryValue> services_data_;
 
   // Timestamp for when an advertisement was last seen.
   base::Time last_update_time_;
 
  private:
   // Returns a localized string containing the device's bluetooth address and
   // a device type for display when |name_| is empty.
   base::string16 GetAddressWithLocalizedDeviceTypeName() const;
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_DEVICE_H_