device/bluetooth/bluetooth_gatt_notify_session_chromeos.h

   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_CHROMEOS_H_
   6 #define DEVICE_BLUETOOTH_BLUETOOTH_GATT_NOTIFY_SESSION_CHROMEOS_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "chromeos/dbus/bluetooth_gatt_characteristic_client.h"
  12 #include "device/bluetooth/bluetooth_gatt_notify_session.h"
  13
  14 namespace device {
  15
  16 class BluetoothAdapter;
  17
  18 }  // namespace device
  19
  20 namespace chromeos {
  21
  22 class BluetoothRemoteGattCharacteristicChromeOS;
  23
  24 // BluetoothGattNotifySessionChromeOS implements
  25 // BluetoothGattNotifySession for the Chrome OS platform.
  26 class BluetoothGattNotifySessionChromeOS
  27     : public device::BluetoothGattNotifySession,
  28       public BluetoothGattCharacteristicClient::Observer {
  29  public:
  30   ~BluetoothGattNotifySessionChromeOS() override;
  31
  32   // BluetoothGattNotifySession overrides.
  33   std::string GetCharacteristicIdentifier() const override;
  34   bool IsActive() override;
  35   void Stop(const base::Closure& callback) override;
  36
  37  private:
  38   friend class BluetoothRemoteGattCharacteristicChromeOS;
  39
  40   explicit BluetoothGattNotifySessionChromeOS(
  41       scoped_refptr<device::BluetoothAdapter> adapter,
  42       const std::string& device_address,
  43       const std::string& service_identifier,
  44       const std::string& characteristic_identifier,
  45       const dbus::ObjectPath& characteristic_path);
  46
  47   // BluetoothGattCharacteristicClient::Observer overrides.
  48   void GattCharacteristicRemoved(const dbus::ObjectPath& object_path) override;
  49   void GattCharacteristicPropertyChanged(
  50       const dbus::ObjectPath& object_path,
  51       const std::string& property_name) override;
  52
  53   // True, if this session is currently active.
  54   bool active_;
  55
  56   // The Bluetooth adapter that this session is associated with.
  57   scoped_refptr<device::BluetoothAdapter> adapter_;
  58
  59   // The Bluetooth address of the device hosting the characteristic.
  60   std::string device_address_;
  61
  62   // The GATT service that the characteristic belongs to.
  63   std::string service_id_;
  64
  65   // Identifier of the associated characteristic.
  66   std::string characteristic_id_;
  67
  68   // D-Bus object path of the associated characteristic. This is used to filter
  69   // observer events.
  70   dbus::ObjectPath object_path_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(BluetoothGattNotifySessionChromeOS);
  73 };
  74
  75 }  // namespace chromeos
  76
  77 #endif  //  DEVICE_BLUETOOTH_BLUETOOTH_GATT_NOTIFY_SESSION_CHROMEOS_H_