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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 #include "chrome/browser/ui/webui/options2/chromeos/bluetooth_options_handler.h" | |
6 | |
7 #include "base/bind.h" | |
8 #include "base/bind_helpers.h" | |
9 #include "base/callback.h" | |
10 #include "base/command_line.h" | |
11 #include "base/string_number_conversions.h" | |
12 #include "base/utf_string_conversions.h" | |
13 #include "base/values.h" | |
14 #include "chrome/browser/chromeos/bluetooth/bluetooth_adapter.h" | |
15 #include "chrome/browser/chromeos/bluetooth/bluetooth_device.h" | |
16 #include "content/public/browser/web_ui.h" | |
17 #include "grit/chromium_strings.h" | |
18 #include "grit/generated_resources.h" | |
19 #include "third_party/cros_system_api/dbus/service_constants.h" | |
20 #include "ui/base/l10n/l10n_util.h" | |
21 | |
22 namespace { | |
23 | |
24 // |UpdateDeviceCallback| takes a variable length list as an argument. The | |
25 // value stored in each list element is indicated by the following constants. | |
26 const int kUpdateDeviceAddressIndex = 0; | |
27 const int kUpdateDeviceCommandIndex = 1; | |
28 const int kUpdateDeviceAuthTokenIndex = 2; | |
29 | |
30 // |UpdateDeviceCallback| provides a command value of one of the following | |
31 // constants that indicates what update it is providing to us. | |
32 const char kConnectCommand[] = "connect"; | |
33 const char kCancelCommand[] = "cancel"; | |
34 const char kAcceptCommand[] = "accept"; | |
35 const char kRejectCommand[] = "reject"; | |
36 const char kDisconnectCommand[] = "disconnect"; | |
37 const char kForgetCommand[] = "forget"; | |
38 | |
39 // |SendDeviceNotification| may include a pairing parameter whose value | |
40 // is one of the following constants instructing the UI to perform a certain | |
41 // action. | |
42 const char kEnterPinCode[] = "bluetoothEnterPinCode"; | |
43 const char kEnterPasskey[] = "bluetoothEnterPasskey"; | |
44 const char kRemotePinCode[] = "bluetoothRemotePinCode"; | |
45 const char kRemotePasskey[] = "bluetoothRemotePasskey"; | |
46 const char kConfirmPasskey[] = "bluetoothConfirmPasskey"; | |
47 | |
48 } // namespace | |
49 | |
50 namespace chromeos { | |
51 namespace options { | |
52 | |
53 BluetoothOptionsHandler::BluetoothOptionsHandler() : weak_ptr_factory_(this) { | |
54 } | |
55 | |
56 BluetoothOptionsHandler::~BluetoothOptionsHandler() { | |
57 if (adapter_.get()) | |
58 adapter_->RemoveObserver(this); | |
59 } | |
60 | |
61 void BluetoothOptionsHandler::GetLocalizedValues( | |
62 DictionaryValue* localized_strings) { | |
63 DCHECK(localized_strings); | |
64 | |
65 static OptionsStringResource resources[] = { | |
66 { "bluetooth", IDS_OPTIONS_SETTINGS_SECTION_TITLE_BLUETOOTH }, | |
67 { "disableBluetooth", IDS_OPTIONS_SETTINGS_BLUETOOTH_DISABLE }, | |
68 { "enableBluetooth", IDS_OPTIONS_SETTINGS_BLUETOOTH_ENABLE }, | |
69 { "addBluetoothDevice", IDS_OPTIONS_SETTINGS_ADD_BLUETOOTH_DEVICE }, | |
70 { "bluetoothAddDeviceTitle", | |
71 IDS_OPTIONS_SETTINGS_BLUETOOTH_ADD_DEVICE_TITLE }, | |
72 { "bluetoothOptionsPageTabTitle", | |
73 IDS_OPTIONS_SETTINGS_BLUETOOTH_ADD_DEVICE_TITLE }, | |
74 { "findBluetoothDevices", IDS_OPTIONS_SETTINGS_FIND_BLUETOOTH_DEVICES }, | |
75 { "bluetoothNoDevices", IDS_OPTIONS_SETTINGS_BLUETOOTH_NO_DEVICES }, | |
76 { "bluetoothNoDevicesFound", | |
77 IDS_OPTIONS_SETTINGS_BLUETOOTH_NO_DEVICES_FOUND }, | |
78 {"bluetoothScanning", IDS_OPTIONS_SETTINGS_BLUETOOTH_SCANNING }, | |
79 {"bluetoothDeviceConnected", IDS_OPTIONS_SETTINGS_BLUETOOTH_CONNECTED }, | |
80 { "bluetoothDeviceNotConnected", | |
81 IDS_OPTIONS_SETTINGS_BLUETOOTH_NOT_CONNECTED }, | |
82 { "bluetoothConnectDevice", IDS_OPTIONS_SETTINGS_BLUETOOTH_CONNECT }, | |
83 { "bluetoothDisconnectDevice", IDS_OPTIONS_SETTINGS_BLUETOOTH_DISCONNECT }, | |
84 { "bluetoothForgetDevice", IDS_OPTIONS_SETTINGS_BLUETOOTH_FORGET }, | |
85 { "bluetoothCancel", IDS_OPTIONS_SETTINGS_BLUETOOTH_CANCEL }, | |
86 { "bluetoothEnterKey", IDS_OPTIONS_SETTINGS_BLUETOOTH_ENTER_KEY }, | |
87 { "bluetoothDismissError", IDS_OPTIONS_SETTINGS_BLUETOOTH_DISMISS_ERROR }, | |
88 | |
89 // Device connecting and pairing. | |
90 { "bluetoothStartConnecting", | |
91 IDS_OPTIONS_SETTINGS_BLUETOOTH_START_CONNECTING }, | |
92 { "bluetoothAcceptPasskey", | |
93 IDS_OPTIONS_SETTINGS_BLUETOOTH_ACCEPT_PASSKEY }, | |
94 { "bluetoothRejectPasskey", | |
95 IDS_OPTIONS_SETTINGS_BLUETOOTH_REJECT_PASSKEY }, | |
96 { "bluetoothEnterPinCode", | |
97 IDS_OPTIONS_SETTINGS_BLUETOOTH_ENTER_PIN_CODE_REQUEST }, | |
98 { "bluetoothEnterPasskey", | |
99 IDS_OPTIONS_SETTINGS_BLUETOOTH_ENTER_PASSKEY_REQUEST }, | |
100 { "bluetoothRemotePinCode", | |
101 IDS_OPTIONS_SETTINGS_BLUETOOTH_REMOTE_PIN_CODE_REQUEST }, | |
102 { "bluetoothRemotePasskey", | |
103 IDS_OPTIONS_SETTINGS_BLUETOOTH_REMOTE_PASSKEY_REQUEST }, | |
104 { "bluetoothConfirmPasskey", | |
105 IDS_OPTIONS_SETTINGS_BLUETOOTH_CONFIRM_PASSKEY_REQUEST }, | |
106 | |
107 // Error messages. | |
108 { "bluetoothStartDiscoveryFailed", | |
109 IDS_OPTIONS_SETTINGS_BLUETOOTH_START_DISCOVERY_FAILED }, | |
110 { "bluetoothStopDiscoveryFailed", | |
111 IDS_OPTIONS_SETTINGS_BLUETOOTH_STOP_DISCOVERY_FAILED }, | |
112 { "bluetoothChangePowerFailed", | |
113 IDS_OPTIONS_SETTINGS_BLUETOOTH_CHANGE_POWER_FAILED }, | |
114 { "bluetoothConnectFailed", | |
115 IDS_OPTIONS_SETTINGS_BLUETOOTH_CONNECT_FAILED }, | |
116 { "bluetoothDisconnectFailed", | |
117 IDS_OPTIONS_SETTINGS_BLUETOOTH_DISCONNECT_FAILED }, | |
118 { "bluetoothForgetFailed", | |
119 IDS_OPTIONS_SETTINGS_BLUETOOTH_FORGET_FAILED }}; | |
120 | |
121 RegisterStrings(localized_strings, resources, arraysize(resources)); | |
122 } | |
123 | |
124 // TODO(kevers): Reorder methods to match ordering in the header file. | |
125 | |
126 void BluetoothOptionsHandler::AdapterPresentChanged(BluetoothAdapter* adapter, | |
127 bool present) { | |
128 DCHECK(adapter == adapter_.get()); | |
129 if (present) { | |
130 web_ui()->CallJavascriptFunction( | |
131 "options.BrowserOptions.showBluetoothSettings"); | |
132 | |
133 // Update the checkbox and visibility based on the powered state of the | |
134 // new adapter. | |
135 AdapterPoweredChanged(adapter_.get(), adapter_->IsPowered()); | |
136 } else { | |
137 web_ui()->CallJavascriptFunction( | |
138 "options.BrowserOptions.hideBluetoothSettings"); | |
139 } | |
140 } | |
141 | |
142 void BluetoothOptionsHandler::AdapterPoweredChanged(BluetoothAdapter* adapter, | |
143 bool powered) { | |
144 DCHECK(adapter == adapter_.get()); | |
145 base::FundamentalValue checked(powered); | |
146 web_ui()->CallJavascriptFunction( | |
147 "options.BrowserOptions.setBluetoothState", checked); | |
148 } | |
149 | |
150 void BluetoothOptionsHandler::RegisterMessages() { | |
151 web_ui()->RegisterMessageCallback("bluetoothEnableChange", | |
152 base::Bind(&BluetoothOptionsHandler::EnableChangeCallback, | |
153 base::Unretained(this))); | |
154 web_ui()->RegisterMessageCallback("findBluetoothDevices", | |
155 base::Bind(&BluetoothOptionsHandler::FindDevicesCallback, | |
156 base::Unretained(this))); | |
157 web_ui()->RegisterMessageCallback("updateBluetoothDevice", | |
158 base::Bind(&BluetoothOptionsHandler::UpdateDeviceCallback, | |
159 base::Unretained(this))); | |
160 web_ui()->RegisterMessageCallback("stopBluetoothDeviceDiscovery", | |
161 base::Bind(&BluetoothOptionsHandler::StopDiscoveryCallback, | |
162 base::Unretained(this))); | |
163 web_ui()->RegisterMessageCallback("getPairedBluetoothDevices", | |
164 base::Bind(&BluetoothOptionsHandler::GetPairedDevicesCallback, | |
165 base::Unretained(this))); | |
166 } | |
167 | |
168 void BluetoothOptionsHandler::InitializeHandler() { | |
169 adapter_ = BluetoothAdapter::DefaultAdapter(); | |
170 adapter_->AddObserver(this); | |
171 } | |
172 | |
173 void BluetoothOptionsHandler::InitializePage() { | |
174 // Show or hide the bluetooth settings and update the checkbox based | |
175 // on the current present/powered state. | |
176 AdapterPresentChanged(adapter_.get(), adapter_->IsPresent()); | |
177 // Automatically start device discovery if the "Add Bluetooth Device" | |
178 // overlay is visible. | |
179 web_ui()->CallJavascriptFunction( | |
180 "options.BluetoothOptions.updateDiscovery"); | |
181 } | |
182 | |
183 void BluetoothOptionsHandler::EnableChangeCallback( | |
184 const ListValue* args) { | |
185 bool bluetooth_enabled; | |
186 args->GetBoolean(0, &bluetooth_enabled); | |
187 | |
188 adapter_->SetPowered(bluetooth_enabled, | |
189 base::Bind(&base::DoNothing), | |
190 base::Bind(&BluetoothOptionsHandler::EnableChangeError, | |
191 weak_ptr_factory_.GetWeakPtr())); | |
192 } | |
193 | |
194 void BluetoothOptionsHandler::EnableChangeError() { | |
195 DVLOG(1) << "Failed to change power state."; | |
196 ReportError("bluetoothChangePowerFailed", std::string()); | |
197 } | |
198 | |
199 void BluetoothOptionsHandler::FindDevicesCallback( | |
200 const ListValue* args) { | |
201 adapter_->SetDiscovering( | |
202 true, | |
203 base::Bind(&base::DoNothing), | |
204 base::Bind(&BluetoothOptionsHandler::FindDevicesError, | |
205 weak_ptr_factory_.GetWeakPtr())); | |
206 } | |
207 | |
208 void BluetoothOptionsHandler::FindDevicesError() { | |
209 DVLOG(1) << "Failed to start discovery."; | |
210 ReportError("bluetoothStartDiscoveryFailed", std::string()); | |
211 } | |
212 | |
213 void BluetoothOptionsHandler::UpdateDeviceCallback( | |
214 const ListValue* args) { | |
215 std::string address; | |
216 args->GetString(kUpdateDeviceAddressIndex, &address); | |
217 | |
218 BluetoothDevice* device = adapter_->GetDevice(address); | |
219 if (!device) | |
220 return; | |
221 | |
222 std::string command; | |
223 args->GetString(kUpdateDeviceCommandIndex, &command); | |
224 | |
225 if (command == kConnectCommand) { | |
226 int size = args->GetSize(); | |
227 if (size > kUpdateDeviceAuthTokenIndex) { | |
228 // PIN code or Passkey entry during the pairing process. | |
229 std::string auth_token; | |
230 args->GetString(kUpdateDeviceAuthTokenIndex, &auth_token); | |
231 | |
232 if (device->ExpectingPinCode()) { | |
233 // PIN Code is an array of 1 to 16 8-bit bytes, the usual | |
234 // interpretation, and the one shared by BlueZ, is a UTF-8 string | |
235 // of as many characters that will fit in that space, thus we | |
236 // can use the auth token from JavaScript unmodified. | |
237 DVLOG(1) << "PIN Code supplied: " << address << ": " << auth_token; | |
238 device->SetPinCode(auth_token); | |
239 } else if (device->ExpectingPasskey()) { | |
240 // Passkey is a numeric in the range 0-999999, in this case the | |
241 // JavaScript code should have ensured the auth token string only | |
242 // contains digits so a simple conversion is sufficient. In the | |
243 // failure case, just use 0 since that's the most likely Passkey | |
244 // anyway, and if it's refused the device will request a new one. | |
245 unsigned passkey = 0; | |
246 base::StringToUint(auth_token, &passkey); | |
247 | |
248 DVLOG(1) << "Passkey supplied: " << address << ": " << passkey; | |
249 device->SetPasskey(passkey); | |
250 } else { | |
251 LOG(WARNING) << "Auth token supplied after pairing ended: " << address | |
252 << ": " << auth_token; | |
253 } | |
254 } else { | |
255 // Connection request. | |
256 DVLOG(1) << "Connect: " << address; | |
257 device->Connect( | |
258 this, | |
259 base::Bind(&base::DoNothing), | |
260 base::Bind(&BluetoothOptionsHandler::ConnectError, | |
261 weak_ptr_factory_.GetWeakPtr(), | |
262 device->address())); | |
263 } | |
264 } else if (command == kCancelCommand) { | |
265 // Cancel pairing. | |
266 DVLOG(1) << "Cancel pairing: " << address; | |
267 device->CancelPairing(); | |
268 } else if (command == kAcceptCommand) { | |
269 // Confirm displayed Passkey. | |
270 DVLOG(1) << "Confirm pairing: " << address; | |
271 device->ConfirmPairing(); | |
272 } else if (command == kRejectCommand) { | |
273 // Reject displayed Passkey. | |
274 DVLOG(1) << "Reject pairing: " << address; | |
275 device->RejectPairing(); | |
276 } else if (command == kDisconnectCommand) { | |
277 // Disconnect from device. | |
278 DVLOG(1) << "Disconnect device: " << address; | |
279 device->Disconnect( | |
280 base::Bind(&base::DoNothing), | |
281 base::Bind(&BluetoothOptionsHandler::DisconnectError, | |
282 weak_ptr_factory_.GetWeakPtr(), | |
283 device->address())); | |
284 } else if (command == kForgetCommand) { | |
285 // Disconnect from device and delete pairing information. | |
286 DVLOG(1) << "Forget device: " << address; | |
287 device->Forget(base::Bind(&BluetoothOptionsHandler::ForgetError, | |
288 weak_ptr_factory_.GetWeakPtr(), | |
289 device->address())); | |
290 } else { | |
291 LOG(WARNING) << "Unknown updateBluetoothDevice command: " << command; | |
292 } | |
293 } | |
294 | |
295 void BluetoothOptionsHandler::ConnectError(const std::string& address) { | |
296 DVLOG(1) << "Failed to connect to device: " << address; | |
297 ReportError("bluetoothConnectFailed", address); | |
298 } | |
299 | |
300 void BluetoothOptionsHandler::DisconnectError(const std::string& address) { | |
301 DVLOG(1) << "Failed to disconnect from device: " << address; | |
302 ReportError("bluetoothDisconnectFailed", address); | |
303 } | |
304 | |
305 void BluetoothOptionsHandler::ForgetError(const std::string& address) { | |
306 DVLOG(1) << "Failed to disconnect and unpair device: " << address; | |
307 ReportError("bluetoothForgetFailed", address); | |
308 } | |
309 | |
310 void BluetoothOptionsHandler::StopDiscoveryCallback( | |
311 const ListValue* args) { | |
312 adapter_->SetDiscovering( | |
313 false, | |
314 base::Bind(&base::DoNothing), | |
315 base::Bind(&BluetoothOptionsHandler::StopDiscoveryError, | |
316 weak_ptr_factory_.GetWeakPtr())); | |
317 } | |
318 | |
319 void BluetoothOptionsHandler::StopDiscoveryError() { | |
320 DVLOG(1) << "Failed to stop discovery."; | |
321 ReportError("bluetoothStopDiscoveryFailed", std::string()); | |
322 } | |
323 | |
324 void BluetoothOptionsHandler::GetPairedDevicesCallback( | |
325 const ListValue* args) { | |
326 BluetoothAdapter::DeviceList devices = adapter_->GetDevices(); | |
327 | |
328 for (BluetoothAdapter::DeviceList::iterator iter = devices.begin(); | |
329 iter != devices.end(); ++iter) | |
330 SendDeviceNotification(*iter, NULL); | |
331 } | |
332 | |
333 void BluetoothOptionsHandler::SendDeviceNotification( | |
334 const BluetoothDevice* device, | |
335 base::DictionaryValue* params) { | |
336 base::DictionaryValue js_properties; | |
337 js_properties.SetString("name", device->GetName()); | |
338 js_properties.SetString("address", device->address()); | |
339 js_properties.SetBoolean("paired", device->IsPaired()); | |
340 js_properties.SetBoolean("bonded", device->IsBonded()); | |
341 js_properties.SetBoolean("connected", device->IsConnected()); | |
342 if (params) { | |
343 js_properties.MergeDictionary(params); | |
344 } | |
345 web_ui()->CallJavascriptFunction( | |
346 "options.BrowserOptions.addBluetoothDevice", | |
347 js_properties); | |
348 } | |
349 | |
350 void BluetoothOptionsHandler::RequestPinCode(BluetoothDevice* device) { | |
351 DictionaryValue params; | |
352 params.SetString("pairing", kEnterPinCode); | |
353 SendDeviceNotification(device, ¶ms); | |
354 } | |
355 | |
356 void BluetoothOptionsHandler::RequestPasskey(BluetoothDevice* device) { | |
357 DictionaryValue params; | |
358 params.SetString("pairing", kEnterPasskey); | |
359 SendDeviceNotification(device, ¶ms); | |
360 } | |
361 | |
362 void BluetoothOptionsHandler::DisplayPinCode(BluetoothDevice* device, | |
363 const std::string& pincode) { | |
364 DictionaryValue params; | |
365 params.SetString("pairing", kRemotePinCode); | |
366 params.SetString("pincode", pincode); | |
367 SendDeviceNotification(device, ¶ms); | |
368 } | |
369 | |
370 void BluetoothOptionsHandler::DisplayPasskey(BluetoothDevice* device, | |
371 uint32 passkey) { | |
372 DictionaryValue params; | |
373 params.SetString("pairing", kRemotePasskey); | |
374 params.SetInteger("passkey", passkey); | |
375 SendDeviceNotification(device, ¶ms); | |
376 } | |
377 | |
378 void BluetoothOptionsHandler::ConfirmPasskey(BluetoothDevice* device, | |
379 uint32 passkey) { | |
380 DictionaryValue params; | |
381 params.SetString("pairing", kConfirmPasskey); | |
382 params.SetInteger("passkey", passkey); | |
383 SendDeviceNotification(device, ¶ms); | |
384 } | |
385 | |
386 void BluetoothOptionsHandler::DismissDisplayOrConfirm() { | |
387 web_ui()->CallJavascriptFunction( | |
388 "options.BluetoothPairing.dismissDialog"); | |
389 } | |
390 | |
391 void BluetoothOptionsHandler::ReportError( | |
392 const std::string& error, | |
393 const std::string& address) { | |
394 base::DictionaryValue properties; | |
395 properties.SetString("label", error); | |
396 properties.SetString("address", address); | |
397 web_ui()->CallJavascriptFunction( | |
398 "options.BluetoothPairing.showMessage", | |
399 properties); | |
400 } | |
401 | |
402 void BluetoothOptionsHandler::DeviceAdded(BluetoothAdapter* adapter, | |
403 BluetoothDevice* device) { | |
404 DCHECK(adapter == adapter_.get()); | |
405 DCHECK(device); | |
406 SendDeviceNotification(device, NULL); | |
407 } | |
408 | |
409 void BluetoothOptionsHandler::DeviceChanged(BluetoothAdapter* adapter, | |
410 BluetoothDevice* device) { | |
411 DCHECK(adapter == adapter_.get()); | |
412 DCHECK(device); | |
413 SendDeviceNotification(device, NULL); | |
414 } | |
415 | |
416 void BluetoothOptionsHandler::DeviceRemoved(BluetoothAdapter* adapter, | |
417 BluetoothDevice* device) { | |
418 DCHECK(adapter == adapter_.get()); | |
419 DCHECK(device); | |
420 | |
421 base::StringValue address(device->address()); | |
422 web_ui()->CallJavascriptFunction( | |
423 "options.BrowserOptions.removeBluetoothDevice", | |
424 address); | |
425 } | |
426 | |
427 } // namespace options | |
428 } // namespace chromeos | |
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