Move CBCentralManager from the Discovery Manager to Adapter

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 14 matching lines @@
 @class IOBluetoothDevice;
 @class NSArray;
 @class NSDate;
 
 namespace base {
 
 class SequencedTaskRunner;
 
 }  // namespace base
 
+@class BluetoothLowEnergyCentralManagerDelegate;
+
 namespace device {
 
-class BluetoothAdapterMacTest;
-
 class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterMac
     : public BluetoothAdapter,
       public BluetoothDiscoveryManagerMac::Observer,
       public BluetoothLowEnergyDiscoveryManagerMac::Observer {
  public:
   static base::WeakPtr<BluetoothAdapter> CreateAdapter();
 
   // BluetoothAdapter overrides:
   std::string GetAddress() const override;
   std::string GetName() const override;
@@ skipping 48 matching lines @@
   void RemovePairingDelegateInternal(
       device::BluetoothDevice::PairingDelegate* pairing_delegate) override;
 
  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 BluetoothAdapterMacTest;
+  friend class BluetoothLowEnergyCentralManagerBridge;
 
   BluetoothAdapterMac();
   ~BluetoothAdapterMac() override;
 
   // BluetoothAdapter overrides:
   void AddDiscoverySession(BluetoothDiscoveryFilter* discovery_filter,
                            const base::Closure& callback,
                            const ErrorCallback& error_callback) override;
   void RemoveDiscoverySession(BluetoothDiscoveryFilter* discovery_filter,
                               const base::Closure& callback,
@@ skipping 12 matching lines @@
 
   // Registers that a new |device| has replied to an Inquiry, is paired, or has
   // connected to the local host.
   void ClassicDeviceAdded(IOBluetoothDevice* device);
 
   // BluetoothLowEnergyDiscoveryManagerMac::Observer override:
   void LowEnergyDeviceUpdated(CBPeripheral* peripheral,
                               NSDictionary* advertisement_data,
                               int rssi) override;
 
+  // Updates |devices_| when there is a change to the CBCentralManager's state.
+  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();
 
+  // Private method for testing. Resets |low_energy_central_manager_| to
+  // |central_manager| and sets |low_energy_central_manager_delegate_| as its
+  // delegate. Should be called only when CoreBluetooth is available.
+  void SetCentralManagerForTesting(CBCentralManager* central_manager);
+
   std::string address_;
   std::string name_;
   bool 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_