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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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