1 // Copyright 2014 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_DISCOVERY_MANAGER_MAC_H_ 6 #define DEVICE_BLUETOOTH_BLUETOOTH_DISCOVERY_MANAGER_MAC_H_ 7 8 #include "base/macros.h" 9 10 @class IOBluetoothDevice; 11 12 namespace device { 13 14 // Class used by BluetoothAdapterMac to manage classic and LE device discovery. 15 // For Bluetooth Classic, this class is responsible for keeping device inquiry 16 // running if device discovery is initiated. 17 class BluetoothDiscoveryManagerMac { 18 public: 19 // Interface for being notified of events during a device discovery session. 20 class Observer { 21 public: 22 // Called when |manager| has found a device through classic device inquiry 23 // in the form of a IOBluetoothDevice. 24 virtual void DeviceFound(BluetoothDiscoveryManagerMac* manager, 25 IOBluetoothDevice* device) {} 26 27 // Called when device discovery is no longer running, due to either a call 28 // to BluetoothDiscoveryManagerMac::StopDiscovery or an unexpected reason, 29 // such as when a user disables the controller, in which case the value of 30 // |unexpected| will be true. 31 virtual void DiscoveryStopped(BluetoothDiscoveryManagerMac* manager, 32 bool unexpected) {} 33 }; 34 35 virtual ~BluetoothDiscoveryManagerMac(); 36 37 // Returns true, if discovery is currently being performed. 38 virtual bool IsDiscovering() const = 0; 39 40 // Initiates a discovery session. Returns true on success or if discovery 41 // is already running. Returns false on failure. 42 virtual bool StartDiscovery() = 0; 43 44 // Stops a discovery session. Returns true on success or if discovery is 45 // already not running. Returns false on failure. 46 virtual bool StopDiscovery() = 0; 47 48 // Creates a discovery manager for Bluetooth Classic device discovery with 49 // observer |observer|. Note that the life-time of |observer| should not 50 // end before that of the returned BluetoothDiscoveryManager, as that may 51 // lead to use after free errors. 52 static BluetoothDiscoveryManagerMac* CreateClassic(Observer* observer); 53 54 protected: 55 explicit BluetoothDiscoveryManagerMac(Observer* observer); 56 57 // Observer interested in notifications from us. 58 Observer* observer_; 59 60 private: 61 DISALLOW_COPY_AND_ASSIGN(BluetoothDiscoveryManagerMac); 62 }; 63 64 } // namespace device 65 66 #endif // DEVICE_BLUETOOTH_BLUETOOTH_DISCOVERY_MANAGER_MAC_H_ 67
