OLD | NEW |
| (Empty) |
1 // Copyright 2013 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_DBUS_BLUETOOTH_AGENT_SERVICE_PROVIDER_H_ | |
6 #define CHROMEOS_DBUS_BLUETOOTH_AGENT_SERVICE_PROVIDER_H_ | |
7 | |
8 #include <string> | |
9 | |
10 #include "base/basictypes.h" | |
11 #include "base/callback.h" | |
12 #include "chromeos/chromeos_export.h" | |
13 #include "dbus/bus.h" | |
14 #include "dbus/object_path.h" | |
15 | |
16 namespace chromeos { | |
17 | |
18 // BluetoothAgentServiceProvider is used to provide a D-Bus object that | |
19 // the bluetooth daemon can communicate with during a remote device pairing | |
20 // request. | |
21 // | |
22 // Instantiate with a chosen D-Bus object path and delegate object, and pass | |
23 // the D-Bus object path as the |agent_path| argument to the | |
24 // chromeos::BluetoothAgentManagerClient::RegisterAgent() method. | |
25 // | |
26 // After initiating the pairing process with a device, using the | |
27 // chromeos::BluetoothDeviceClient::Pair() method, the Bluetooth daemon will | |
28 // make calls to this agent object and they will be passed on to your Delegate | |
29 // object for handling. Responses should be returned using the callbacks | |
30 // supplied to those methods. | |
31 class CHROMEOS_EXPORT BluetoothAgentServiceProvider { | |
32 public: | |
33 // Interface for reacting to agent requests. | |
34 class Delegate { | |
35 public: | |
36 virtual ~Delegate() {} | |
37 | |
38 // Possible status values that may be returned to callbacks. Success | |
39 // indicates that a pincode or passkey has been obtained, or permission | |
40 // granted; rejected indicates the user rejected the request or denied | |
41 // permission; cancelled indicates the user cancelled the request | |
42 // without confirming either way. | |
43 enum Status { | |
44 SUCCESS, | |
45 REJECTED, | |
46 CANCELLED | |
47 }; | |
48 | |
49 // The PinCodeCallback is used for the RequestPinCode() method, it should | |
50 // be called with two arguments, the |status| of the request (success, | |
51 // rejected or cancelled) and the |pincode| requested. | |
52 typedef base::Callback<void(Status, const std::string&)> PinCodeCallback; | |
53 | |
54 // The PasskeyCallback is used for the RequestPasskey() method, it should | |
55 // be called with two arguments, the |status| of the request (success, | |
56 // rejected or cancelled) and the |passkey| requested, a numeric in the | |
57 // range 0-999999, | |
58 typedef base::Callback<void(Status, uint32)> PasskeyCallback; | |
59 | |
60 // The ConfirmationCallback is used for methods which request confirmation | |
61 // or authorization, it should be called with one argument, the |status| | |
62 // of the request (success, rejected or cancelled). | |
63 typedef base::Callback<void(Status)> ConfirmationCallback; | |
64 | |
65 // This method will be called when the agent is unregistered from the | |
66 // Bluetooth daemon, generally at the end of a pairing request. It may be | |
67 // used to perform cleanup tasks. This corresponds to the | |
68 // org.bluez.Agent1.Release method and is renamed to avoid a conflict | |
69 // with base::Refcounted<T>. | |
70 virtual void Released() = 0; | |
71 | |
72 // This method will be called when the Bluetooth daemon requires a | |
73 // PIN Code for authentication of the device with object path |device_path|, | |
74 // the agent should obtain the code from the user and call |callback| | |
75 // to provide it, or indicate rejection or cancellation of the request. | |
76 // | |
77 // PIN Codes are generally required for Bluetooth 2.0 and earlier devices | |
78 // for which there is no automatic pairing or special handling. | |
79 virtual void RequestPinCode(const dbus::ObjectPath& device_path, | |
80 const PinCodeCallback& callback) = 0; | |
81 | |
82 // This method will be called when the Bluetooth daemon requires that the | |
83 // user enter the PIN code |pincode| into the device with object path | |
84 // |device_path| so that it may be authenticated. The Cancel() method | |
85 // will be called to dismiss the display once pairing is complete or | |
86 // cancelled. | |
87 // | |
88 // This is used for Bluetooth 2.0 and earlier keyboard devices, the | |
89 // |pincode| will always be a six-digit numeric in the range 000000-999999 | |
90 // for compatibilty with later specifications. | |
91 virtual void DisplayPinCode(const dbus::ObjectPath& device_path, | |
92 const std::string& pincode) = 0; | |
93 | |
94 // This method will be called when the Bluetooth daemon requires a | |
95 // Passkey for authentication of the device with object path |device_path|, | |
96 // the agent should obtain the passkey from the user (a numeric in the | |
97 // range 0-999999) and call |callback| to provide it, or indicate | |
98 // rejection or cancellation of the request. | |
99 // | |
100 // Passkeys are generally required for Bluetooth 2.1 and later devices | |
101 // which cannot provide input or display on their own, and don't accept | |
102 // passkey-less pairing. | |
103 virtual void RequestPasskey(const dbus::ObjectPath& device_path, | |
104 const PasskeyCallback& callback) = 0; | |
105 | |
106 // This method will be called when the Bluetooth daemon requires that the | |
107 // user enter the Passkey |passkey| into the device with object path | |
108 // |device_path| so that it may be authenticated. The Cancel() method | |
109 // will be called to dismiss the display once pairing is complete or | |
110 // cancelled. | |
111 // | |
112 // This is used for Bluetooth 2.1 and later devices that support input | |
113 // but not display, such as keyboards. The Passkey is a numeric in the | |
114 // range 0-999999 and should be always presented zero-padded to six | |
115 // digits. | |
116 // | |
117 // As the user enters the passkey onto the device, |entered| will be | |
118 // updated to reflect the number of digits entered so far. | |
119 virtual void DisplayPasskey(const dbus::ObjectPath& device_path, | |
120 uint32 passkey, uint16 entered) = 0; | |
121 | |
122 // This method will be called when the Bluetooth daemon requires that the | |
123 // user confirm that the Passkey |passkey| is displayed on the screen | |
124 // of the device with object path |object_path| so that it may be | |
125 // authenticated. The agent should display to the user and ask for | |
126 // confirmation, then call |callback| to provide their response (success, | |
127 // rejected or cancelled). | |
128 // | |
129 // This is used for Bluetooth 2.1 and later devices that support display, | |
130 // such as other computers or phones. The Passkey is a numeric in the | |
131 // range 0-999999 and should be always present zero-padded to six | |
132 // digits. | |
133 virtual void RequestConfirmation(const dbus::ObjectPath& device_path, | |
134 uint32 passkey, | |
135 const ConfirmationCallback& callback) = 0; | |
136 | |
137 // This method will be called when the Bluetooth daemon requires | |
138 // authorization of an incoming pairing attempt from the device with object | |
139 // path |device_path| that would have otherwised triggered the just-works | |
140 // pairing model. | |
141 // | |
142 // The agent should confirm the incoming pairing with the user and call | |
143 // |callback| to provide their response (success, rejected or cancelled). | |
144 virtual void RequestAuthorization(const dbus::ObjectPath& device_path, | |
145 const ConfirmationCallback& callback) = 0; | |
146 | |
147 // This method will be called when the Bluetooth daemon requires that the | |
148 // user confirm that the device with object path |object_path| is | |
149 // authorized to connect to the service with UUID |uuid|. The agent should | |
150 // confirm with the user and call |callback| to provide their response | |
151 // (success, rejected or cancelled). | |
152 virtual void AuthorizeService(const dbus::ObjectPath& device_path, | |
153 const std::string& uuid, | |
154 const ConfirmationCallback& callback) = 0; | |
155 | |
156 // This method will be called by the Bluetooth daemon to indicate that | |
157 // the request failed before a reply was returned from the device. | |
158 virtual void Cancel() = 0; | |
159 }; | |
160 | |
161 virtual ~BluetoothAgentServiceProvider(); | |
162 | |
163 // Creates the instance where |bus| is the D-Bus bus connection to export | |
164 // the object onto, |object_path| is the object path that it should have | |
165 // and |delegate| is the object to which all method calls will be passed | |
166 // and responses generated from. | |
167 static BluetoothAgentServiceProvider* Create( | |
168 dbus::Bus* bus, | |
169 const dbus::ObjectPath& object_path, | |
170 Delegate* delegate); | |
171 | |
172 protected: | |
173 BluetoothAgentServiceProvider(); | |
174 | |
175 private: | |
176 DISALLOW_COPY_AND_ASSIGN(BluetoothAgentServiceProvider); | |
177 }; | |
178 | |
179 } // namespace chromeos | |
180 | |
181 #endif // CHROMEOS_DBUS_BLUETOOTH_AGENT_SERVICE_PROVIDER_H_ | |
OLD | NEW |