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 CHROMEOS_PAIRING_BLUETOOTH_HOST_PAIRING_CONTROLLER_H_
6#define CHROMEOS_PAIRING_BLUETOOTH_HOST_PAIRING_CONTROLLER_H_
7
8#include "base/macros.h"
9#include "base/memory/ref_counted.h"
10#include "base/memory/weak_ptr.h"
11#include "base/observer_list.h"
12#include "base/threading/thread_checker.h"
13#include "components/pairing/host_pairing_controller.h"
14#include "components/pairing/proto_decoder.h"
15#include "device/bluetooth/bluetooth_adapter.h"
16#include "device/bluetooth/bluetooth_device.h"
17#include "device/bluetooth/bluetooth_socket.h"
18
19namespace device {
20class BluetoothAdapter;
21}
22
23namespace net {
24class IOBuffer;
25}
26
27namespace pairing_chromeos {
28
29class BluetoothHostPairingController
30    : public HostPairingController,
31      public ProtoDecoder::Observer,
32      public device::BluetoothAdapter::Observer,
33      public device::BluetoothDevice::PairingDelegate {
34 public:
35  typedef HostPairingController::Observer Observer;
36
37  BluetoothHostPairingController();
38  virtual ~BluetoothHostPairingController();
39
40 private:
41  void ChangeStage(Stage new_stage);
42  void SendHostStatus();
43  void AbortWithError(int code, const std::string& message);
44  void Reset();
45
46  void OnGetAdapter(scoped_refptr<device::BluetoothAdapter> adapter);
47  void SetName();
48  void OnSetName();
49  void OnSetPowered();
50  void OnCreateService(scoped_refptr<device::BluetoothSocket> socket);
51  void OnSetDiscoverable(bool change_stage);
52  void OnAccept(const device::BluetoothDevice* device,
53                scoped_refptr<device::BluetoothSocket> socket);
54  void OnSendComplete(int bytes_sent);
55  void OnReceiveComplete(int bytes, scoped_refptr<net::IOBuffer> io_buffer);
56
57  void OnCreateServiceError(const std::string& message);
58  void OnSetError();
59  void OnAcceptError(const std::string& error_message);
60  void OnSendError(const std::string& error_message);
61  void OnReceiveError(device::BluetoothSocket::ErrorReason reason,
62                      const std::string& error_message);
63
64  // HostPairingController:
65  virtual void AddObserver(Observer* observer) OVERRIDE;
66  virtual void RemoveObserver(Observer* observer) OVERRIDE;
67  virtual Stage GetCurrentStage() OVERRIDE;
68  virtual void StartPairing() OVERRIDE;
69  virtual std::string GetDeviceName() OVERRIDE;
70  virtual std::string GetConfirmationCode() OVERRIDE;
71  virtual std::string GetEnrollmentDomain() OVERRIDE;
72  virtual void OnUpdateStatusChanged(UpdateStatus update_status) OVERRIDE;
73  virtual void SetEnrollmentComplete(bool success) OVERRIDE;
74
75  // ProtoDecoder::Observer:
76  virtual void OnHostStatusMessage(
77      const pairing_api::HostStatus& message) OVERRIDE;
78  virtual void OnConfigureHostMessage(
79      const pairing_api::ConfigureHost& message) OVERRIDE;
80  virtual void OnPairDevicesMessage(
81      const pairing_api::PairDevices& message) OVERRIDE;
82  virtual void OnCompleteSetupMessage(
83      const pairing_api::CompleteSetup& message) OVERRIDE;
84  virtual void OnErrorMessage(const pairing_api::Error& message) OVERRIDE;
85
86  // BluetoothAdapter::Observer:
87  virtual void AdapterPresentChanged(device::BluetoothAdapter* adapter,
88                                     bool present) OVERRIDE;
89
90  // device::BluetoothDevice::PairingDelegate:
91  virtual void RequestPinCode(device::BluetoothDevice* device) OVERRIDE;
92  virtual void RequestPasskey(device::BluetoothDevice* device) OVERRIDE;
93  virtual void DisplayPinCode(device::BluetoothDevice* device,
94                              const std::string& pincode) OVERRIDE;
95  virtual void DisplayPasskey(device::BluetoothDevice* device,
96                              uint32 passkey) OVERRIDE;
97  virtual void KeysEntered(device::BluetoothDevice* device,
98                           uint32 entered) OVERRIDE;
99  virtual void ConfirmPasskey(device::BluetoothDevice* device,
100                              uint32 passkey) OVERRIDE;
101  virtual void AuthorizePairing(device::BluetoothDevice* device) OVERRIDE;
102
103  Stage current_stage_;
104  std::string device_name_;
105  std::string confirmation_code_;
106  std::string enrollment_domain_;
107
108  scoped_refptr<device::BluetoothAdapter> adapter_;
109  device::BluetoothDevice* device_;
110  scoped_refptr<device::BluetoothSocket> service_socket_;
111  scoped_refptr<device::BluetoothSocket> controller_socket_;
112  scoped_ptr<ProtoDecoder> proto_decoder_;
113
114  base::ThreadChecker thread_checker_;
115  ObserverList<Observer> observers_;
116  base::WeakPtrFactory<BluetoothHostPairingController> ptr_factory_;
117
118  DISALLOW_COPY_AND_ASSIGN(BluetoothHostPairingController);
119};
120
121}  // namespace pairing_chromeos
122
123#endif  // CHROMEOS_PAIRING_BLUETOOTH_HOST_PAIRING_CONTROLLER_H_
124