device/bluetooth/bluetooth_low_energy_device_mac.h

   1 // Copyright 2015 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_LOW_ENERGY_DEVICE_MAC_H_
   6 #define DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DEVICE_MAC_H_
   7
   8 #if defined(OS_IOS)
   9 #import <CoreBluetooth/CoreBluetooth.h>
  10 #else  // !defined(OS_IOS)
  11 #import <IOBluetooth/IOBluetooth.h>
  12 #endif  // defined(OS_IOS)
  13
  14 #include <set>
  15
  16 #include "base/mac/scoped_nsobject.h"
  17 #include "base/mac/sdk_forward_declarations.h"
  18 #include "crypto/sha2.h"
  19 #include "device/bluetooth/bluetooth_device_mac.h"
  20
  21 namespace device {
  22
  23 class BluetoothAdapterMac;
  24 class BluetoothLowEnergyDiscoverManagerMac;
  25
  26 class DEVICE_BLUETOOTH_EXPORT BluetoothLowEnergyDeviceMac
  27     : public BluetoothDeviceMac {
  28  public:
  29   BluetoothLowEnergyDeviceMac(BluetoothAdapterMac* adapter,
  30                               CBPeripheral* peripheral,
  31                               NSDictionary* advertisement_data,
  32                               int rssi);
  33   ~BluetoothLowEnergyDeviceMac() override;
  34
  35   int GetRSSI() const;
  36
  37   // BluetoothDevice overrides.
  38   std::string GetIdentifier() const override;
  39   uint32 GetBluetoothClass() const override;
  40   std::string GetAddress() const override;
  41   BluetoothDevice::VendorIDSource GetVendorIDSource() const override;
  42   uint16 GetVendorID() const override;
  43   uint16 GetProductID() const override;
  44   uint16 GetDeviceID() const override;
  45   bool IsPaired() const override;
  46   bool IsConnected() const override;
  47   bool IsGattConnected() const override;
  48   bool IsConnectable() const override;
  49   bool IsConnecting() const override;
  50   BluetoothDevice::UUIDList GetUUIDs() const override;
  51   int16 GetInquiryRSSI() const override;
  52   int16 GetInquiryTxPower() const override;
  53   bool ExpectingPinCode() const override;
  54   bool ExpectingPasskey() const override;
  55   bool ExpectingConfirmation() const override;
  56   void GetConnectionInfo(const ConnectionInfoCallback& callback) override;
  57   void Connect(PairingDelegate* pairing_delegate,
  58                const base::Closure& callback,
  59                const ConnectErrorCallback& error_callback) override;
  60   void SetPinCode(const std::string& pincode) override;
  61   void SetPasskey(uint32 passkey) override;
  62   void ConfirmPairing() override;
  63   void RejectPairing() override;
  64   void CancelPairing() override;
  65   void Disconnect(const base::Closure& callback,
  66                   const ErrorCallback& error_callback) override;
  67   void Forget(const ErrorCallback& error_callback) override;
  68   void ConnectToService(
  69       const BluetoothUUID& uuid,
  70       const ConnectToServiceCallback& callback,
  71       const ConnectToServiceErrorCallback& error_callback) override;
  72   void ConnectToServiceInsecurely(
  73       const device::BluetoothUUID& uuid,
  74       const ConnectToServiceCallback& callback,
  75       const ConnectToServiceErrorCallback& error_callback) override;
  76   void CreateGattConnection(
  77       const GattConnectionCallback& callback,
  78       const ConnectErrorCallback& error_callback) override;
  79
  80   // BluetoothDeviceMac override.
  81   NSDate* GetLastUpdateTime() const override;
  82
  83  protected:
  84   // BluetoothDevice override.
  85   std::string GetDeviceName() const override;
  86   void CreateGattConnectionImpl() override;
  87   void DisconnectGatt() override;
  88
  89   // Updates information about the device.
  90   virtual void Update(CBPeripheral* peripheral,
  91                       NSDictionary* advertisement_data,
  92                       int rssi);
  93
  94   static std::string GetPeripheralIdentifier(CBPeripheral* peripheral);
  95
  96   // Hashes and truncates the peripheral identifier to deterministically
  97   // construct an address. The use of fake addresses is a temporary fix before
  98   // we switch to using bluetooth identifiers throughout Chrome.
  99   // http://crbug.com/507824
 100   static std::string GetPeripheralHashAddress(CBPeripheral* peripheral);
 101
 102  private:
 103   friend class BluetoothAdapterMac;
 104   friend class BluetoothAdapterMacTest;
 105
 106   // Equivalent to [peripheral_ state].  Allows compilation on OS X 10.6.
 107   CBPeripheralState GetPeripheralState() const;
 108
 109   // CoreBluetooth data structure.
 110   base::scoped_nsobject<CBPeripheral> peripheral_;
 111
 112   // RSSI value.
 113   int rssi_;
 114
 115   // Whether the device is connectable.
 116   bool connectable_;
 117
 118   // The peripheral's identifier, as returned by [CBPeripheral identifier].
 119   std::string identifier_;
 120
 121   // A local address for the device created by hashing the peripheral
 122   // identifier.
 123   std::string hash_address_;
 124
 125   // Stores the time of the most recent call to Update().
 126   base::scoped_nsobject<NSDate> last_update_time_;
 127
 128   // The services (identified by UUIDs) that this device provides.
 129   std::set<BluetoothUUID> advertised_uuids_;
 130
 131   DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyDeviceMac);
 132 };
 133
 134 }  // namespace device
 135
 136 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DEVICE_MAC_H_