Implementing GATT connection/disconnect on OS X.

device/bluetooth/bluetooth_adapter_mac.h

 // Copyright 2013 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_ADAPTER_MAC_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_MAC_H_
 
 #include <IOKit/IOReturn.h>
 
 #include <string>
@@ skipping 79 matching lines @@
 
   // Registers that a new |device| has connected to the local host.
   void DeviceConnected(IOBluetoothDevice* device);
 
   // We only use CoreBluetooth when OS X >= 10.10. This because the
   // CBCentralManager destructor was found to crash on the mac_chromium_rel_ng
   // builder running 10.9.5. May also cause blued to crash on OS X 10.9.5
   // (crbug.com/506287).
   static bool IsLowEnergyAvailable();
 
-  // Resets |low_energy_central_manager_| to |central_manager| and sets
-  // |low_energy_central_manager_delegate_| as the manager's delegate. Should
-  // be called only when |IsLowEnergyAvailable()|.
-  void SetCentralManagerForTesting(CBCentralManager* central_manager);
+  // Creates a GATT connection by calling CoreBluetooth APIs.
+  void CreateGattConnection(BluetoothLowEnergyDeviceMac* device_mac);
+
+  // Closes the GATT connection by calling CoreBluetooth APIs.
+  void DisconnectGatt(BluetoothLowEnergyDeviceMac* device_mac);
+
+  // Methods called from CBCentralManager delegate.
+  void DidConnectPeripheral(CBPeripheral* peripheral);
+  void DidFailToConnectPeripheral(CBPeripheral* peripheral, NSError* error);
+  void DidDisconnectPeripheral(CBPeripheral* peripheral, NSError* error);
 
  protected:
   // BluetoothAdapter override:
   void RemovePairingDelegateInternal(
       device::BluetoothDevice::PairingDelegate* pairing_delegate) override;
 
+  // Resets |low_energy_central_manager_| to |central_manager| and sets
+  // |low_energy_central_manager_delegate_| as the manager's delegate. Should
+  // be called only when |IsLowEnergyAvailable()|.
+  void SetCentralManagerForTesting(CBCentralManager* central_manager);
+  CBCentralManager* GetCentralManagerForTesting();

[msarda, 2016/02/11 10:55:38]

Why is this method protected and not private? Do you override it in tests?

[jlebel, 2016/02/19 11:02:35]

Done.

+
  private:
   // The length of time that must elapse since the last Inquiry response (on
   // Classic devices) or call to BluetoothLowEnergyDevice::Update() (on Low
   // Energy) before a discovered device is considered to be no longer available.
   const static NSTimeInterval kDiscoveryTimeoutSec;
 
   friend class BluetoothTestMac;
   friend class BluetoothAdapterMacTest;
   friend class BluetoothLowEnergyCentralManagerBridge;
 
@@ skipping 35 matching lines @@
   void LowEnergyCentralManagerUpdatedState();
 
   // Removes from |devices_| any previously paired, connected or seen devices
   // which are no longer present. Notifies observers.
   void RemoveTimedOutDevices();
 
   // Updates |devices_| to include the currently paired devices and notifies
   // observers.
   void AddPairedDevices();
 
+  // Returns the BLE device associated with the CoreBluetooth peripheral.
+  BluetoothLowEnergyDeviceMac* GetBluetoothLowEnergyDeviceMac(
+      CBPeripheral* peripheral);
+
   std::string address_;
   std::string name_;
   bool classic_powered_;
   int num_discovery_sessions_;
 
   // Discovery manager for Bluetooth Classic.
   scoped_ptr<BluetoothDiscoveryManagerMac> classic_discovery_manager_;
 
   // Discovery manager for Bluetooth Low Energy.
   scoped_ptr<BluetoothLowEnergyDiscoveryManagerMac>
       low_energy_discovery_manager_;
 
   // Underlying CoreBluetooth CBCentralManager and its delegate.
   base::scoped_nsobject<CBCentralManager> low_energy_central_manager_;
   base::scoped_nsobject<BluetoothLowEnergyCentralManagerDelegate>
       low_energy_central_manager_delegate_;
 
   scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
 
   base::WeakPtrFactory<BluetoothAdapterMac> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothAdapterMac);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_MAC_H_