Added bluetooth LE support on Mac platform

device/bluetooth/bluetooth_low_energy_device_mac.h

-// Copyright 2013 The Chromium Authors. All rights reserved.
+// Copyright 2015 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_DEVICE_MAC_H_
-#define DEVICE_BLUETOOTH_BLUETOOTH_DEVICE_MAC_H_
+#ifndef DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DEVICE_MAC_H_
+#define DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DEVICE_MAC_H_
 
+#if defined(OS_IOS)
+#import <CoreBluetooth/CoreBluetooth.h>
+#else
 #import <IOBluetooth/IOBluetooth.h>
+#endif
 
-#include <string>
-
-#include "base/basictypes.h"
 #include "base/mac/scoped_nsobject.h"
-#include "base/observer_list.h"
+#include "base/mac/sdk_forward_declarations.h"
 #include "device/bluetooth/bluetooth_device.h"
 
-@class IOBluetoothDevice;
-
 namespace device {
 
-class BluetoothDeviceMac : public BluetoothDevice {
+class BluetoothLowEnergyDiscoverManagerMac;
+
+class BluetoothLowEnergyDeviceMac : public BluetoothDevice {
  public:
-  explicit BluetoothDeviceMac(IOBluetoothDevice* device);
-  ~BluetoothDeviceMac() override;
+  BluetoothLowEnergyDeviceMac(CBPeripheral* peripheral,
+                              NSDictionary* advertisementData,
+                              int rssi);
+  ~BluetoothLowEnergyDeviceMac() override;
 
-  // BluetoothDevice override
+  int GetRSSI() const;
+
+  // BluetoothDevice overrides.
+  std::string GetIdentifier() const override;
   uint32 GetBluetoothClass() const override;
   std::string GetAddress() const override;
-  VendorIDSource GetVendorIDSource() const override;
+  BluetoothDevice::VendorIDSource GetVendorIDSource() const override;
   uint16 GetVendorID() const override;
   uint16 GetProductID() const override;
   uint16 GetDeviceID() const override;
   bool IsPaired() const override;
   bool IsConnected() const override;
   bool IsConnectable() const override;
   bool IsConnecting() const override;
-  UUIDList GetUUIDs() const override;
+  BluetoothDevice::UUIDList GetUUIDs() const override;
   bool ExpectingPinCode() const override;
   bool ExpectingPasskey() const override;
   bool ExpectingConfirmation() const override;
   void GetConnectionInfo(const ConnectionInfoCallback& callback) override;
   void Connect(PairingDelegate* pairing_delegate,
                const base::Closure& callback,
                const ConnectErrorCallback& error_callback) override;
   void SetPinCode(const std::string& pincode) override;
   void SetPasskey(uint32 passkey) override;
   void ConfirmPairing() override;
   void RejectPairing() override;
   void CancelPairing() override;
   void Disconnect(const base::Closure& callback,
                   const ErrorCallback& error_callback) override;
   void Forget(const ErrorCallback& error_callback) override;
   void ConnectToService(
       const BluetoothUUID& uuid,
       const ConnectToServiceCallback& callback,
       const ConnectToServiceErrorCallback& error_callback) override;
   void ConnectToServiceInsecurely(
-      const BluetoothUUID& uuid,
+      const device::BluetoothUUID& uuid,
       const ConnectToServiceCallback& callback,
       const ConnectToServiceErrorCallback& error_callback) override;
   void CreateGattConnection(
       const GattConnectionCallback& callback,
       const ConnectErrorCallback& error_callback) override;
 
-  // Returns the timestamp when the device was last seen during an inquiry.
-  // Returns nil if the device has never been seen during an inquiry.
-  NSDate* GetLastInquiryUpdate();
-
-  // Returns the Bluetooth address for the |device|. The returned address has a
-  // normalized format (see below).
-  static std::string GetDeviceAddress(IOBluetoothDevice* device);
-
  protected:
-  // BluetoothDevice override
+  // BluetoothDevice override.
   std::string GetDeviceName() const override;
 
+  // Updates information about the device.
+  virtual void Update(CBPeripheral* peripheral,
+                      NSDictionary* advertisementData,
+                      int rssi);
+
+  static std::string GetPeripheralIdentifier(CBPeripheral* peripheral);
+
  private:
-  friend class BluetoothAdapterMac;
+  friend class BluetoothLowEnergyDiscoveryManagerMac;
 
-  // Implementation to read the host's transmit power level of type
-  // |power_level_type|.
-  int GetHostTransmitPower(
-      BluetoothHCITransmitPowerLevelType power_level_type) const;
+  // CoreBluetooth data structure.
+  base::scoped_nsobject<CBPeripheral> peripheral_;
 
-  base::scoped_nsobject<IOBluetoothDevice> device_;
+  // RSSI value.
+  int rssi_;
 
-  DISALLOW_COPY_AND_ASSIGN(BluetoothDeviceMac);
+  // Whether the device is connectable.
+  bool connectable_;
+
+  DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyDeviceMac);
 };
 
 }  // namespace device
 
-#endif  // DEVICE_BLUETOOTH_BLUETOOTH_DEVICE_MAC_H_
+#endif  // DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DEVICE_MAC_H_