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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_CONTROLLER_PAIRING_CONTROLLER_H_ | |
6 #define CHROMEOS_PAIRING_CONTROLLER_PAIRING_CONTROLLER_H_ | |
7 | |
8 #include <string> | |
9 #include <vector> | |
10 | |
11 #include "base/macros.h" | |
12 #include "chromeos/chromeos_export.h" | |
13 | |
14 namespace chromeos { | |
15 class UserContext; | |
16 } | |
17 | |
18 namespace content { | |
19 class BrowserContext; | |
20 } | |
21 | |
22 namespace chromeos { | |
23 | |
24 class CHROMEOS_EXPORT ControllerPairingController { | |
25 public: | |
26 enum Stage { | |
27 STAGE_NONE, | |
28 STAGE_DEVICES_DISCOVERY, | |
29 STAGE_DEVICE_NOT_FOUND, | |
30 STAGE_ESTABLISHING_CONNECTION, | |
31 STAGE_ESTABLISHING_CONNECTION_ERROR, | |
32 STAGE_WAITING_FOR_CODE_CONFIRMATION, | |
33 STAGE_HOST_UPDATE_IN_PROGRESS, | |
34 STAGE_HOST_CONNECTION_LOST, | |
35 STAGE_WAITING_FOR_CREDENTIALS, | |
36 STAGE_HOST_ENROLLMENT_IN_PROGRESS, | |
37 STAGE_HOST_ENROLLMENT_ERROR, | |
38 STAGE_PAIRING_DONE, | |
39 STAGE_FINISHED | |
40 }; | |
41 | |
42 class Observer { | |
43 public: | |
44 Observer(); | |
45 virtual ~Observer(); | |
46 | |
47 // Called when pairing has moved on from one stage to another. | |
48 virtual void PairingStageChanged(Stage new_stage) = 0; | |
49 | |
50 // Called when new device was discovered or existing device was lost. | |
51 // This notification is made only on |STAGE_DEVICES_DISCOVERY| stage. | |
52 virtual void DiscoveredDevicesListChanged() = 0; | |
53 | |
54 private: | |
55 DISALLOW_COPY_AND_ASSIGN(Observer); | |
56 }; | |
57 | |
58 typedef std::vector<std::string> DeviceIdList; | |
59 | |
60 ControllerPairingController(); | |
61 virtual ~ControllerPairingController(); | |
62 | |
63 virtual void AddObserver(Observer* observer) = 0; | |
64 virtual void RemoveObserver(Observer* observer) = 0; | |
65 | |
66 // Returns current stage of pairing process. | |
67 virtual Stage GetCurrentStage() = 0; | |
68 | |
69 // Starts pairing process. Can be called only on |STAGE_NONE| stage. | |
70 virtual void StartPairing() = 0; | |
71 | |
72 // Returns list of discovered devices. Can be called only on | |
73 // |STAGE_DEVICES_DISCOVERY| stage. | |
74 virtual DeviceIdList GetDiscoveredDevices() = 0; | |
75 | |
76 // This method is called to start pairing with the device having |device_id| | |
77 // ID. Can be called only on |STAGE_DEVICES_DISCOVERY| stage. | |
78 virtual void ChooseDeviceForPairing(const std::string& device_id) = 0; | |
79 | |
80 // Rescan for devices to pair with. Can be called only on | |
81 // stages |STAGE_DEVICE_NOT_FOUND|, |STAGE_ESTABLISHING_CONNECTION_ERROR|, | |
82 // |STAGE_HOST_ENROLLMENT_ERROR|. | |
83 virtual void RepeatDiscovery() = 0; | |
84 | |
85 // Returns pairing confirmation code. | |
86 // Could be called only on |STATE_WAITING_FOR_CODE_CONFIRMATION| stage. | |
87 virtual std::string GetConfirmationCode() = 0; | |
88 | |
89 // Called to confirm or deny confirmation code. Can be called only on | |
90 // |STAGE_WAITING_FOR_CODE_CONFIRMATION| stage. | |
91 virtual void SetConfirmationCodeIsCorrect(bool correct) = 0; | |
92 | |
93 // Called when user successfully authenticated on GAIA page. Can be called | |
94 // only on |STAGE_WAITING_FOR_CREDENTIALS| stage. | |
95 virtual void OnAuthenticationDone( | |
96 const chromeos::UserContext& user_context, | |
97 content::BrowserContext* browser_context) = 0; | |
98 | |
99 // Installs app and starts session. | |
100 // Can be called only on |STAGE_PAIRING_DONE| stage. | |
101 virtual void StartSession() = 0; | |
102 | |
103 private: | |
104 DISALLOW_COPY_AND_ASSIGN(ControllerPairingController); | |
105 }; | |
106 | |
107 } // namespace chromeos | |
108 | |
109 #endif // CHROMEOS_PAIRING_CONTROLLER_PAIRING_CONTROLLER_H_ | |
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