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1 // Copyright (c) 2012 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 CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_BLUETOOTH_OPTIONS_HANDLER_H_ | |
6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_BLUETOOTH_OPTIONS_HANDLER_H_ | |
7 #pragma once | |
8 | |
9 #include <string> | |
10 | |
11 #include "base/compiler_specific.h" | |
12 #include "base/memory/scoped_ptr.h" | |
13 #include "chrome/browser/chromeos/bluetooth/bluetooth_adapter.h" | |
14 #include "chrome/browser/ui/webui/options/options_ui.h" | |
15 | |
16 namespace base { | |
17 class DictionaryValue; | |
18 } | |
19 | |
20 namespace chromeos { | |
21 | |
22 // Handler for Bluetooth options on the system options page. | |
23 class BluetoothOptionsHandler : public OptionsPageUIHandler, | |
24 public chromeos::BluetoothAdapter::Observer { | |
25 public: | |
26 BluetoothOptionsHandler(); | |
27 virtual ~BluetoothOptionsHandler(); | |
28 | |
29 // Potential errors during the process of pairing or connecting to a | |
30 // Bluetooth device. Each enumerated value is associated with an i18n | |
31 // label for display in the Bluetooth UI. | |
32 enum ConnectionError { | |
33 DEVICE_NOT_FOUND, | |
34 INCORRECT_PIN, | |
35 CONNECTION_TIMEOUT, | |
36 CONNECTION_REJECTED | |
37 }; | |
38 | |
39 // OptionsPageUIHandler implementation. | |
40 virtual void GetLocalizedValues( | |
41 base::DictionaryValue* localized_strings) OVERRIDE; | |
42 virtual void InitializeHandler() OVERRIDE; | |
43 virtual void RegisterMessages() OVERRIDE; | |
44 | |
45 // Called when the 'Enable bluetooth' checkbox value is changed. | |
46 // |args| will contain the checkbox checked state as a string | |
47 // ("true" or "false"). | |
48 void EnableChangeCallback(const base::ListValue* args); | |
49 | |
50 // Called when the 'Find Devices' button is pressed from the Bluetooth | |
51 // ssettings. | |
52 // |args| will be an empty list. | |
53 void FindDevicesCallback(const base::ListValue* args); | |
54 | |
55 // Called when the user requests to connect to or disconnect from a Bluetooth | |
56 // device. | |
57 // |args| will be a list containing two or three arguments, the first argument | |
58 // is the device ID and the second is the requested action. If a third | |
59 // argument is present, it is the passkey for pairing confirmation. | |
60 void UpdateDeviceCallback(const base::ListValue* args); | |
61 | |
62 // Sends a notification to the Web UI of the status of a Bluetooth device. | |
63 // |device| is the Bluetooth device. | |
64 // |params| is an optional set of parameters. | |
65 void SendDeviceNotification(const BluetoothDevice* device, | |
66 base::DictionaryValue* params); | |
67 | |
68 // Displays a passkey for a device, requesting user confirmation that the | |
69 // key matches an expected value (value displayed on a smartphone for | |
70 // example). | |
71 // |device| is the Bluetooth device being paired. | |
72 // |passkey| is the passkey to display for confirmation. | |
73 void RequestConfirmation(const BluetoothDevice* device, | |
74 int passkey); | |
75 | |
76 // Displays a passkey for a device, which is being typed remotely. During | |
77 // the pairing process, this method may be called repeatedly to track the | |
78 // number of characters entered. This method is commonly used for pairing | |
79 // keyboards. | |
80 // |device| is the Bluetooth device being paired. | |
81 // |passkey| is the required passkey. | |
82 // |entered| is the number of characters that have already been entered on | |
83 // the remote device. | |
84 void DisplayPasskey(const BluetoothDevice* device, | |
85 int passkey, | |
86 int entered); | |
87 | |
88 // Displays a blank field for entering a passkey. The passkey may be | |
89 // a set value specified by the manufacturer of the Bluetooth device, or | |
90 // on a remote display. The validation is asychronous, and a call is made | |
91 // to |ValidatePasskeyCallback| when the passkey entry is complete. | |
92 // |device| is the Bluetooth device being paired. | |
93 void RequestPasskey(const BluetoothDevice* device); | |
94 | |
95 // Displays an error that occurred during the pairing or connection process. | |
96 // |device| is the Bluetooth device being paired or connected. | |
97 // |error| is the type of error that occurred. | |
98 void ReportError(const BluetoothDevice* device, ConnectionError error); | |
99 | |
100 // BluetoothAdapter::Observer implementation. | |
101 virtual void AdapterPresentChanged(BluetoothAdapter* adapter, | |
102 bool present) OVERRIDE; | |
103 virtual void AdapterPoweredChanged(BluetoothAdapter* adapter, | |
104 bool powered) OVERRIDE; | |
105 virtual void AdapterDiscoveringChanged(BluetoothAdapter* adapter, | |
106 bool discovering) OVERRIDE; | |
107 virtual void DeviceAdded(BluetoothAdapter* adapter, | |
108 BluetoothDevice* device) OVERRIDE; | |
109 virtual void DeviceChanged(BluetoothAdapter* adapter, | |
110 BluetoothDevice* device) OVERRIDE; | |
111 | |
112 private: | |
113 // Called by BluetoothAdapter in response to our method calls in case of | |
114 // error. | |
115 void ErrorCallback(); | |
116 | |
117 // Default bluetooth adapter, used for all operations. Owned by this object. | |
118 scoped_ptr<BluetoothAdapter> adapter_; | |
119 | |
120 DISALLOW_COPY_AND_ASSIGN(BluetoothOptionsHandler); | |
121 }; | |
122 | |
123 } // namespace chromeos | |
124 | |
125 #endif // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_BLUETOOTH_OPTIONS_HANDLER_H_ | |
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