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_GATT_NOTIFY_SESSION_H_ 6#define DEVICE_BLUETOOTH_BLUETOOTH_GATT_NOTIFY_SESSION_H_ 7 8#include <string> 9 10#include "base/callback.h" 11 12namespace device { 13 14// A BluetoothGattNotifySession represents an active session for listening 15// to value updates from GATT characteristics that support notifications and/or 16// indications. Instances are obtained by calling 17// BluetoothGattCharacteristic::StartNotifySession. 18class BluetoothGattNotifySession { 19 public: 20 // Destructor autmatically stops this session. 21 virtual ~BluetoothGattNotifySession(); 22 23 // Returns the identifier of the associated characteristic. 24 virtual std::string GetCharacteristicIdentifier() const = 0; 25 26 // Returns true if this session is active. 27 virtual bool IsActive() = 0; 28 29 // Stops this session and calls |callback| upon completion. This won't 30 // necessarily stop value updates from the characteristic -- since updates 31 // are shared among BluetoothGattNotifySession instances -- but it will 32 // terminate this session. 33 virtual void Stop(const base::Closure& callback) = 0; 34 35 protected: 36 BluetoothGattNotifySession(); 37 38 private: 39 DISALLOW_COPY_AND_ASSIGN(BluetoothGattNotifySession); 40}; 41 42} // namespace device 43 44#endif // DEVICE_BLUETOOTH_BLUETOOTH_GATT_NOTIFY_SESSION_H_ 45