device/bluetooth/bluetooth_adapter_mac.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_MAC_H_
   6 #define DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_MAC_H_
   7
   8 #include <IOKit/IOReturn.h>
   9
  10 #include <string>
  11 #include <vector>
  12
  13 #include "base/containers/hash_tables.h"
  14 #include "base/mac/scoped_nsobject.h"
  15 #include "base/memory/ref_counted.h"
  16 #include "base/memory/weak_ptr.h"
  17 #include "base/observer_list.h"
  18 #include "device/bluetooth/bluetooth_adapter.h"
  19 #include "device/bluetooth/bluetooth_audio_sink.h"
  20 #include "device/bluetooth/bluetooth_discovery_manager_mac.h"
  21 #include "device/bluetooth/bluetooth_export.h"
  22 #include "device/bluetooth/bluetooth_low_energy_device_mac.h"
  23 #include "device/bluetooth/bluetooth_low_energy_discovery_manager_mac.h"
  24
  25 @class IOBluetoothDevice;
  26 @class NSArray;
  27 @class NSDate;
  28
  29 namespace base {
  30
  31 class SequencedTaskRunner;
  32
  33 }  // namespace base
  34
  35 @class BluetoothLowEnergyCentralManagerDelegate;
  36
  37 namespace device {
  38
  39 class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterMac
  40     : public BluetoothAdapter,
  41       public BluetoothDiscoveryManagerMac::Observer,
  42       public BluetoothLowEnergyDiscoveryManagerMac::Observer {
  43  public:
  44   static base::WeakPtr<BluetoothAdapterMac> CreateAdapter();
  45   static base::WeakPtr<BluetoothAdapterMac> CreateAdapterForTest(
  46       std::string name,
  47       std::string address,
  48       scoped_refptr<base::SequencedTaskRunner> ui_task_runner);
  49
  50   // BluetoothAdapter overrides:
  51   std::string GetAddress() const override;
  52   std::string GetName() const override;
  53   void SetName(const std::string& name,
  54                const base::Closure& callback,
  55                const ErrorCallback& error_callback) override;
  56   bool IsInitialized() const override;
  57   bool IsPresent() const override;
  58   bool IsPowered() const override;
  59   void SetPowered(bool powered,
  60                   const base::Closure& callback,
  61                   const ErrorCallback& error_callback) override;
  62   bool IsDiscoverable() const override;
  63   void SetDiscoverable(bool discoverable,
  64                        const base::Closure& callback,
  65                        const ErrorCallback& error_callback) override;
  66   bool IsDiscovering() const override;
  67   void CreateRfcommService(
  68       const BluetoothUUID& uuid,
  69       const ServiceOptions& options,
  70       const CreateServiceCallback& callback,
  71       const CreateServiceErrorCallback& error_callback) override;
  72   void CreateL2capService(
  73       const BluetoothUUID& uuid,
  74       const ServiceOptions& options,
  75       const CreateServiceCallback& callback,
  76       const CreateServiceErrorCallback& error_callback) override;
  77   void RegisterAudioSink(
  78       const BluetoothAudioSink::Options& options,
  79       const AcquiredCallback& callback,
  80       const BluetoothAudioSink::ErrorCallback& error_callback) override;
  81   void RegisterAdvertisement(
  82       scoped_ptr<BluetoothAdvertisement::Data> advertisement_data,
  83       const CreateAdvertisementCallback& callback,
  84       const CreateAdvertisementErrorCallback& error_callback) override;
  85
  86   // BluetoothDiscoveryManagerMac::Observer overrides:
  87   void ClassicDeviceFound(IOBluetoothDevice* device) override;
  88   void ClassicDiscoveryStopped(bool unexpected) override;
  89
  90   // Registers that a new |device| has connected to the local host.
  91   void DeviceConnected(IOBluetoothDevice* device);
  92
  93   // We only use CoreBluetooth when OS X >= 10.10. This because the
  94   // CBCentralManager destructor was found to crash on the mac_chromium_rel_ng
  95   // builder running 10.9.5. May also cause blued to crash on OS X 10.9.5
  96   // (crbug.com/506287).
  97   static bool IsLowEnergyAvailable();
  98
  99   // Resets |low_energy_central_manager_| to |central_manager| and sets
 100   // |low_energy_central_manager_delegate_| as the manager's delegate. Should
 101   // be called only when |IsLowEnergyAvailable()|.
 102   void SetCentralManagerForTesting(CBCentralManager* central_manager);
 103
 104  protected:
 105   // BluetoothAdapter override:
 106   void RemovePairingDelegateInternal(
 107       device::BluetoothDevice::PairingDelegate* pairing_delegate) override;
 108
 109  private:
 110   // The length of time that must elapse since the last Inquiry response (on
 111   // Classic devices) or call to BluetoothLowEnergyDevice::Update() (on Low
 112   // Energy) before a discovered device is considered to be no longer available.
 113   const static NSTimeInterval kDiscoveryTimeoutSec;
 114
 115   friend class BluetoothTestMac;
 116   friend class BluetoothAdapterMacTest;
 117   friend class BluetoothLowEnergyCentralManagerBridge;
 118
 119   BluetoothAdapterMac();
 120   ~BluetoothAdapterMac() override;
 121
 122   // BluetoothAdapter overrides:
 123   void AddDiscoverySession(
 124       BluetoothDiscoveryFilter* discovery_filter,
 125       const base::Closure& callback,
 126       const DiscoverySessionErrorCallback& error_callback) override;
 127   void RemoveDiscoverySession(
 128       BluetoothDiscoveryFilter* discovery_filter,
 129       const base::Closure& callback,
 130       const DiscoverySessionErrorCallback& error_callback) override;
 131   void SetDiscoveryFilter(
 132       scoped_ptr<BluetoothDiscoveryFilter> discovery_filter,
 133       const base::Closure& callback,
 134       const DiscoverySessionErrorCallback& error_callback) override;
 135
 136   // Start classic and/or low energy discovery sessions, according to the
 137   // filter.  If a discovery session is already running the filter is updated.
 138   bool StartDiscovery(BluetoothDiscoveryFilter* discovery_filter);
 139
 140   void Init();
 141   void InitForTest(scoped_refptr<base::SequencedTaskRunner> ui_task_runner);
 142   void PollAdapter();
 143
 144   // Registers that a new |device| has replied to an Inquiry, is paired, or has
 145   // connected to the local host.
 146   void ClassicDeviceAdded(IOBluetoothDevice* device);
 147
 148   // BluetoothLowEnergyDiscoveryManagerMac::Observer override:
 149   void LowEnergyDeviceUpdated(CBPeripheral* peripheral,
 150                               NSDictionary* advertisement_data,
 151                               int rssi) override;
 152
 153   // Updates |devices_| when there is a change to the CBCentralManager's state.
 154   void LowEnergyCentralManagerUpdatedState();
 155
 156   // Removes from |devices_| any previously paired, connected or seen devices
 157   // which are no longer present. Notifies observers.
 158   void RemoveTimedOutDevices();
 159
 160   // Updates |devices_| to include the currently paired devices and notifies
 161   // observers.
 162   void AddPairedDevices();
 163
 164   std::string address_;
 165   std::string name_;
 166   bool classic_powered_;
 167   int num_discovery_sessions_;
 168
 169   // Discovery manager for Bluetooth Classic.
 170   scoped_ptr<BluetoothDiscoveryManagerMac> classic_discovery_manager_;
 171
 172   // Discovery manager for Bluetooth Low Energy.
 173   scoped_ptr<BluetoothLowEnergyDiscoveryManagerMac>
 174       low_energy_discovery_manager_;
 175
 176   // Underlying CoreBluetooth CBCentralManager and its delegate.
 177   base::scoped_nsobject<CBCentralManager> low_energy_central_manager_;
 178   base::scoped_nsobject<BluetoothLowEnergyCentralManagerDelegate>
 179       low_energy_central_manager_delegate_;
 180
 181   scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
 182
 183   base::WeakPtrFactory<BluetoothAdapterMac> weak_ptr_factory_;
 184
 185   DISALLOW_COPY_AND_ASSIGN(BluetoothAdapterMac);
 186 };
 187
 188 }  // namespace device
 189
 190 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_MAC_H_