Adding support for Low Energy device discovery to BluetoothAdapterMac

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>
 #include <vector>
 
 #include "base/containers/hash_tables.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_audio_sink.h"
 #include "device/bluetooth/bluetooth_discovery_manager_mac.h"
 #include "device/bluetooth/bluetooth_export.h"
+#include "device/bluetooth/bluetooth_low_energy_device_mac.h"
+#include "device/bluetooth/bluetooth_low_energy_discovery_manager_mac.h"
 
 @class IOBluetoothDevice;
 @class NSArray;
 @class NSDate;
 
 namespace base {
 
 class SequencedTaskRunner;
 
 }  // namespace base
 
 namespace device {
 
 class BluetoothAdapterMacTest;
 
 class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterMac
     : public BluetoothAdapter,
-      public BluetoothDiscoveryManagerMac::Observer {
+      public BluetoothDiscoveryManagerMac::Observer,
+      public BluetoothLowEnergyDiscoveryManagerMac::Observer {
  public:
   static base::WeakPtr<BluetoothAdapter> CreateAdapter();
 
-  // BluetoothAdapter:
+  // BluetoothAdapter overrides:
   std::string GetAddress() const override;
   std::string GetName() const override;
   void SetName(const std::string& name,
                const base::Closure& callback,
                const ErrorCallback& error_callback) override;
   bool IsInitialized() const override;
   bool IsPresent() const override;
   bool IsPowered() const override;
   void SetPowered(bool powered,
                   const base::Closure& callback,
@@ skipping 15 matching lines @@
       const CreateServiceErrorCallback& error_callback) override;
   void RegisterAudioSink(
       const BluetoothAudioSink::Options& options,
       const AcquiredCallback& callback,
       const BluetoothAudioSink::ErrorCallback& error_callback) override;
   void RegisterAdvertisement(
       scoped_ptr<BluetoothAdvertisement::Data> advertisement_data,
       const CreateAdvertisementCallback& callback,
       const CreateAdvertisementErrorCallback& error_callback) override;
 
-  // BluetoothDiscoveryManagerMac::Observer overrides
-  void DeviceFound(IOBluetoothDevice* device) override;
-  void DiscoveryStopped(bool unexpected) override;
+  // BluetoothDiscoveryManagerMac::Observer overrides:
+  void ClassicDeviceFound(IOBluetoothDevice* device) override;
+  void ClassicDiscoveryStopped(bool unexpected) override;
+
+  // BluetoothLowEnergyDiscoveryManagerMac::Observer override:
+  void LowEnergyDeviceUpdated(CBPeripheral* peripheral,
+                              NSDictionary* advertisementData,
+                              int rssi) override;
 
   // Registers that a new |device| has connected to the local host.
   void DeviceConnected(IOBluetoothDevice* device);
 
  protected:
-  // BluetoothAdapter:
+  // BluetoothAdapter override:
   void RemovePairingDelegateInternal(
       device::BluetoothDevice::PairingDelegate* pairing_delegate) override;
 
  private:
   friend class BluetoothAdapterMacTest;
 
   BluetoothAdapterMac();
   ~BluetoothAdapterMac() override;
 
-  // BluetoothAdapter:
+  // 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,
                               const ErrorCallback& error_callback) override;
   void SetDiscoveryFilter(scoped_ptr<BluetoothDiscoveryFilter> discovery_filter,
                           const base::Closure& callback,
                           const ErrorCallback& error_callback) override;
 
+  // Start classic and/or low energy discovery sessions, according to the
+  // filter.  If a discovery session is already running the filter is updated.
+  bool StartDiscovery(BluetoothDiscoveryFilter* discovery_filter);
+
   void Init();
   void InitForTest(scoped_refptr<base::SequencedTaskRunner> ui_task_runner);
   void PollAdapter();
 
   // Registers that a new |device| has replied to an Inquiry, is paired, or has
   // connected to the local host.
-  void DeviceAdded(IOBluetoothDevice* device);
+  void ClassicDeviceAdded(IOBluetoothDevice* device);
 
   // Updates |devices_| to include the currently paired devices, as well as any
   // connected, but unpaired, devices. Notifies observers if any previously
   // paired or connected devices are no longer present.
   void UpdateDevices();
 
   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_;
+
   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_