2 * noVNC: HTML5 VNC client
3 * Copyright (C) 2012 Joel Martin
4 * Copyright (C) 2016 Samuel Mannehed for Cendio AB
5 * Copyright (C) 2016 Pierre Ossman for Cendio AB
6 * Licensed under MPL 2.0 (see LICENSE.txt)
8 * See README.md for usage and integration instructions.
11 /* jslint white: false, browser: true */
12 /* global window, document.getElementById, Util, WebUtil, RFB, Display */
14 import * as Log
from '../core/util/logging.js';
15 import _
, { l10n
} from './localization.js';
16 import { isTouchDevice
} from '../core/util/browsers.js';
17 import { setCapture
, getPointerEvent
} from '../core/util/events.js';
18 import KeyTable
from "../core/input/keysym.js";
19 import keysyms
from "../core/input/keysymdef.js";
20 import Keyboard
from "../core/input/keyboard.js";
21 import RFB
from "../core/rfb.js";
22 import Display
from "../core/display.js";
23 import * as WebUtil
from "./webutil.js";
31 hideKeyboardTimeout
: null,
32 idleControlbarTimeout
: null,
33 closeControlbarTimeout
: null,
35 controlbarGrabbed
: false,
36 controlbarDrag
: false,
37 controlbarMouseDownClientY
: 0,
38 controlbarMouseDownOffsetY
: 0,
41 lastKeyboardinput
: null,
42 defaultKeyboardinputLen
: 100,
44 inhibit_reconnect
: true,
45 reconnect_callback
: null,
46 reconnect_password
: null,
48 prime: function(callback
) {
49 if (document
.readyState
=== "interactive" || document
.readyState
=== "complete") {
52 document
.addEventListener('DOMContentLoaded', UI
.load
.bind(UI
, callback
));
56 // Setup rfb object, load settings from browser storage, then call
57 // UI.init to setup the UI/menus
58 load: function(callback
) {
59 WebUtil
.initSettings(UI
.start
, callback
);
62 // Render default UI and initialize settings menu
63 start: function(callback
) {
65 // Setup global variables first
66 UI
.isSafari
= (navigator
.userAgent
.indexOf('Safari') !== -1 &&
67 navigator
.userAgent
.indexOf('Chrome') === -1);
74 // Adapt the interface for touch screen devices
76 document
.documentElement
.classList
.add("noVNC_touch");
77 // Remove the address bar
78 setTimeout(function() { window
.scrollTo(0, 1); }, 100);
81 // Restore control bar position
82 if (WebUtil
.readSetting('controlbar_pos') === 'right') {
83 UI
.toggleControlbarSide();
88 // Setup event handlers
89 UI
.addControlbarHandlers();
90 UI
.addTouchSpecificHandlers();
91 UI
.addExtraKeysHandlers();
92 UI
.addMachineHandlers();
93 UI
.addConnectionControlHandlers();
94 UI
.addClipboardHandlers();
95 UI
.addSettingsHandlers();
96 document
.getElementById("noVNC_status")
97 .addEventListener('click', UI
.hideStatus
);
99 // Bootstrap fallback input handler
100 UI
.keyboardinputReset();
104 UI
.updateVisualState('init');
106 document
.documentElement
.classList
.remove("noVNC_loading");
108 var autoconnect
= WebUtil
.getConfigVar('autoconnect', false);
109 if (autoconnect
=== 'true' || autoconnect
== '1') {
114 // Show the connect panel on first load unless autoconnecting
115 UI
.openConnectPanel();
118 if (typeof callback
=== "function") {
123 initFullscreen: function() {
124 // Only show the button if fullscreen is properly supported
125 // * Safari doesn't support alphanumerical input while in fullscreen
127 (document
.documentElement
.requestFullscreen
||
128 document
.documentElement
.mozRequestFullScreen
||
129 document
.documentElement
.webkitRequestFullscreen
||
130 document
.body
.msRequestFullscreen
)) {
131 document
.getElementById('noVNC_fullscreen_button')
132 .classList
.remove("noVNC_hidden");
133 UI
.addFullscreenHandlers();
137 initSettings: function() {
140 // Logging selection dropdown
141 var llevels
= ['error', 'warn', 'info', 'debug'];
142 for (i
= 0; i
< llevels
.length
; i
+= 1) {
143 UI
.addOption(document
.getElementById('noVNC_setting_logging'),llevels
[i
], llevels
[i
]);
146 // Settings with immediate effects
147 UI
.initSetting('logging', 'warn');
150 // if port == 80 (or 443) then it won't be present and should be
152 var port
= window
.location
.port
;
154 if (window
.location
.protocol
.substring(0,5) == 'https') {
157 else if (window
.location
.protocol
.substring(0,4) == 'http') {
162 /* Populate the controls if defaults are provided in the URL */
163 UI
.initSetting('host', window
.location
.hostname
);
164 UI
.initSetting('port', port
);
165 UI
.initSetting('encrypt', (window
.location
.protocol
=== "https:"));
166 UI
.initSetting('view_clip', false);
167 UI
.initSetting('resize', 'off');
168 UI
.initSetting('shared', true);
169 UI
.initSetting('view_only', false);
170 UI
.initSetting('path', 'websockify');
171 UI
.initSetting('repeaterID', '');
172 UI
.initSetting('reconnect', false);
173 UI
.initSetting('reconnect_delay', 5000);
175 UI
.setupSettingLabels();
177 // Adds a link to the label elements on the corresponding input elements
178 setupSettingLabels: function() {
179 var labels
= document
.getElementsByTagName('LABEL');
180 for (var i
= 0; i
< labels
.length
; i
++) {
181 var htmlFor
= labels
[i
].htmlFor
;
183 var elem
= document
.getElementById(htmlFor
);
184 if (elem
) elem
.label
= labels
[i
];
186 // If 'for' isn't set, use the first input element child
187 var children
= labels
[i
].children
;
188 for (var j
= 0; j
< children
.length
; j
++) {
189 if (children
[j
].form
!== undefined) {
190 children
[j
].label
= labels
[i
];
204 addControlbarHandlers: function() {
205 document
.getElementById("noVNC_control_bar")
206 .addEventListener('mousemove', UI
.activateControlbar
);
207 document
.getElementById("noVNC_control_bar")
208 .addEventListener('mouseup', UI
.activateControlbar
);
209 document
.getElementById("noVNC_control_bar")
210 .addEventListener('mousedown', UI
.activateControlbar
);
211 document
.getElementById("noVNC_control_bar")
212 .addEventListener('keydown', UI
.activateControlbar
);
214 document
.getElementById("noVNC_control_bar")
215 .addEventListener('mousedown', UI
.keepControlbar
);
216 document
.getElementById("noVNC_control_bar")
217 .addEventListener('keydown', UI
.keepControlbar
);
219 document
.getElementById("noVNC_view_drag_button")
220 .addEventListener('click', UI
.toggleViewDrag
);
222 document
.getElementById("noVNC_control_bar_handle")
223 .addEventListener('mousedown', UI
.controlbarHandleMouseDown
);
224 document
.getElementById("noVNC_control_bar_handle")
225 .addEventListener('mouseup', UI
.controlbarHandleMouseUp
);
226 document
.getElementById("noVNC_control_bar_handle")
227 .addEventListener('mousemove', UI
.dragControlbarHandle
);
228 // resize events aren't available for elements
229 window
.addEventListener('resize', UI
.updateControlbarHandle
);
231 var exps
= document
.getElementsByClassName("noVNC_expander");
232 for (var i
= 0;i
< exps
.length
;i
++) {
233 exps
[i
].addEventListener('click', UI
.toggleExpander
);
237 addTouchSpecificHandlers: function() {
238 document
.getElementById("noVNC_mouse_button0")
239 .addEventListener('click', function () { UI
.setMouseButton(1); });
240 document
.getElementById("noVNC_mouse_button1")
241 .addEventListener('click', function () { UI
.setMouseButton(2); });
242 document
.getElementById("noVNC_mouse_button2")
243 .addEventListener('click', function () { UI
.setMouseButton(4); });
244 document
.getElementById("noVNC_mouse_button4")
245 .addEventListener('click', function () { UI
.setMouseButton(0); });
246 document
.getElementById("noVNC_keyboard_button")
247 .addEventListener('click', UI
.toggleVirtualKeyboard
);
249 UI
.touchKeyboard
= new Keyboard(document
.getElementById('noVNC_keyboardinput'));
250 UI
.touchKeyboard
.onkeyevent
= UI
.keyEvent
;
251 UI
.touchKeyboard
.grab();
252 document
.getElementById("noVNC_keyboardinput")
253 .addEventListener('input', UI
.keyInput
);
254 document
.getElementById("noVNC_keyboardinput")
255 .addEventListener('focus', UI
.onfocusVirtualKeyboard
);
256 document
.getElementById("noVNC_keyboardinput")
257 .addEventListener('blur', UI
.onblurVirtualKeyboard
);
258 document
.getElementById("noVNC_keyboardinput")
259 .addEventListener('submit', function () { return false; });
261 document
.documentElement
262 .addEventListener('mousedown', UI
.keepVirtualKeyboard
, true);
264 document
.getElementById("noVNC_control_bar")
265 .addEventListener('touchstart', UI
.activateControlbar
);
266 document
.getElementById("noVNC_control_bar")
267 .addEventListener('touchmove', UI
.activateControlbar
);
268 document
.getElementById("noVNC_control_bar")
269 .addEventListener('touchend', UI
.activateControlbar
);
270 document
.getElementById("noVNC_control_bar")
271 .addEventListener('input', UI
.activateControlbar
);
273 document
.getElementById("noVNC_control_bar")
274 .addEventListener('touchstart', UI
.keepControlbar
);
275 document
.getElementById("noVNC_control_bar")
276 .addEventListener('input', UI
.keepControlbar
);
278 document
.getElementById("noVNC_control_bar_handle")
279 .addEventListener('touchstart', UI
.controlbarHandleMouseDown
);
280 document
.getElementById("noVNC_control_bar_handle")
281 .addEventListener('touchend', UI
.controlbarHandleMouseUp
);
282 document
.getElementById("noVNC_control_bar_handle")
283 .addEventListener('touchmove', UI
.dragControlbarHandle
);
286 addExtraKeysHandlers: function() {
287 document
.getElementById("noVNC_toggle_extra_keys_button")
288 .addEventListener('click', UI
.toggleExtraKeys
);
289 document
.getElementById("noVNC_toggle_ctrl_button")
290 .addEventListener('click', UI
.toggleCtrl
);
291 document
.getElementById("noVNC_toggle_alt_button")
292 .addEventListener('click', UI
.toggleAlt
);
293 document
.getElementById("noVNC_send_tab_button")
294 .addEventListener('click', UI
.sendTab
);
295 document
.getElementById("noVNC_send_esc_button")
296 .addEventListener('click', UI
.sendEsc
);
297 document
.getElementById("noVNC_send_ctrl_alt_del_button")
298 .addEventListener('click', UI
.sendCtrlAltDel
);
301 addMachineHandlers: function() {
302 document
.getElementById("noVNC_shutdown_button")
303 .addEventListener('click', function() { UI
.rfb
.machineShutdown(); });
304 document
.getElementById("noVNC_reboot_button")
305 .addEventListener('click', function() { UI
.rfb
.machineReboot(); });
306 document
.getElementById("noVNC_reset_button")
307 .addEventListener('click', function() { UI
.rfb
.machineReset(); });
308 document
.getElementById("noVNC_power_button")
309 .addEventListener('click', UI
.togglePowerPanel
);
312 addConnectionControlHandlers: function() {
313 document
.getElementById("noVNC_disconnect_button")
314 .addEventListener('click', UI
.disconnect
);
315 document
.getElementById("noVNC_connect_button")
316 .addEventListener('click', UI
.connect
);
317 document
.getElementById("noVNC_cancel_reconnect_button")
318 .addEventListener('click', UI
.cancelReconnect
);
320 document
.getElementById("noVNC_password_button")
321 .addEventListener('click', UI
.setPassword
);
324 addClipboardHandlers: function() {
325 document
.getElementById("noVNC_clipboard_button")
326 .addEventListener('click', UI
.toggleClipboardPanel
);
327 document
.getElementById("noVNC_clipboard_text")
328 .addEventListener('change', UI
.clipboardSend
);
329 document
.getElementById("noVNC_clipboard_clear_button")
330 .addEventListener('click', UI
.clipboardClear
);
333 // Add a call to save settings when the element changes,
334 // unless the optional parameter changeFunc is used instead.
335 addSettingChangeHandler: function(name
, changeFunc
) {
336 var settingElem
= document
.getElementById("noVNC_setting_" + name
);
337 if (changeFunc
=== undefined) {
338 changeFunc = function () { UI
.saveSetting(name
); };
340 settingElem
.addEventListener('change', changeFunc
);
343 addSettingsHandlers: function() {
344 document
.getElementById("noVNC_settings_button")
345 .addEventListener('click', UI
.toggleSettingsPanel
);
347 UI
.addSettingChangeHandler('encrypt');
348 UI
.addSettingChangeHandler('resize');
349 UI
.addSettingChangeHandler('resize', UI
.enableDisableViewClip
);
350 UI
.addSettingChangeHandler('resize', UI
.applyResizeMode
);
351 UI
.addSettingChangeHandler('view_clip');
352 UI
.addSettingChangeHandler('view_clip', UI
.updateViewClip
);
353 UI
.addSettingChangeHandler('shared');
354 UI
.addSettingChangeHandler('view_only');
355 UI
.addSettingChangeHandler('view_only', UI
.updateViewOnly
);
356 UI
.addSettingChangeHandler('host');
357 UI
.addSettingChangeHandler('port');
358 UI
.addSettingChangeHandler('path');
359 UI
.addSettingChangeHandler('repeaterID');
360 UI
.addSettingChangeHandler('logging');
361 UI
.addSettingChangeHandler('logging', UI
.updateLogging
);
362 UI
.addSettingChangeHandler('reconnect');
363 UI
.addSettingChangeHandler('reconnect_delay');
366 addFullscreenHandlers: function() {
367 document
.getElementById("noVNC_fullscreen_button")
368 .addEventListener('click', UI
.toggleFullscreen
);
370 window
.addEventListener('fullscreenchange', UI
.updateFullscreenButton
);
371 window
.addEventListener('mozfullscreenchange', UI
.updateFullscreenButton
);
372 window
.addEventListener('webkitfullscreenchange', UI
.updateFullscreenButton
);
373 window
.addEventListener('msfullscreenchange', UI
.updateFullscreenButton
);
382 // Disable/enable controls depending on connection state
383 updateVisualState: function(state
) {
385 document
.documentElement
.classList
.remove("noVNC_connecting");
386 document
.documentElement
.classList
.remove("noVNC_connected");
387 document
.documentElement
.classList
.remove("noVNC_disconnecting");
388 document
.documentElement
.classList
.remove("noVNC_reconnecting");
390 let transition_elem
= document
.getElementById("noVNC_transition_text");
395 transition_elem
.textContent
= _("Connecting...");
396 document
.documentElement
.classList
.add("noVNC_connecting");
399 document
.documentElement
.classList
.add("noVNC_connected");
401 case 'disconnecting':
402 transition_elem
.textContent
= _("Disconnecting...");
403 document
.documentElement
.classList
.add("noVNC_disconnecting");
408 transition_elem
.textContent
= _("Reconnecting...");
409 document
.documentElement
.classList
.add("noVNC_reconnecting");
412 Log
.Error("Invalid visual state: " + state
);
413 UI
.showStatus(_("Internal error"), 'error');
417 UI
.enableDisableViewClip();
420 UI
.disableSetting('encrypt');
421 UI
.disableSetting('shared');
422 UI
.disableSetting('host');
423 UI
.disableSetting('port');
424 UI
.disableSetting('path');
425 UI
.disableSetting('repeaterID');
426 UI
.setMouseButton(1);
428 // Hide the controlbar after 2 seconds
429 UI
.closeControlbarTimeout
= setTimeout(UI
.closeControlbar
, 2000);
431 UI
.enableSetting('encrypt');
432 UI
.enableSetting('shared');
433 UI
.enableSetting('host');
434 UI
.enableSetting('port');
435 UI
.enableSetting('path');
436 UI
.enableSetting('repeaterID');
437 UI
.updatePowerButton();
441 // Hide input related buttons in view only mode
442 if (UI
.rfb
&& UI
.rfb
.viewOnly
) {
443 document
.getElementById('noVNC_keyboard_button')
444 .classList
.add('noVNC_hidden');
445 document
.getElementById('noVNC_toggle_extra_keys_button')
446 .classList
.add('noVNC_hidden');
448 document
.getElementById('noVNC_keyboard_button')
449 .classList
.remove('noVNC_hidden');
450 document
.getElementById('noVNC_toggle_extra_keys_button')
451 .classList
.remove('noVNC_hidden');
454 // State change disables viewport dragging.
455 // It is enabled (toggled) by direct click on the button
456 UI
.setViewDrag(false);
458 // State change also closes the password dialog
459 document
.getElementById('noVNC_password_dlg')
460 .classList
.remove('noVNC_open');
463 showStatus: function(text
, status_type
, time
) {
464 var statusElem
= document
.getElementById('noVNC_status');
466 clearTimeout(UI
.statusTimeout
);
468 if (typeof status_type
=== 'undefined') {
469 status_type
= 'normal';
472 // Don't overwrite more severe visible statuses and never
473 // errors. Only shows the first error.
474 let visible_status_type
= 'none';
475 if (statusElem
.classList
.contains("noVNC_open")) {
476 if (statusElem
.classList
.contains("noVNC_status_error")) {
477 visible_status_type
= 'error';
478 } else if (statusElem
.classList
.contains("noVNC_status_warn")) {
479 visible_status_type
= 'warn';
481 visible_status_type
= 'normal';
484 if (visible_status_type
=== 'error' ||
485 (visible_status_type
=== 'warn' && status_type
=== 'normal')) {
489 switch (status_type
) {
491 statusElem
.classList
.remove("noVNC_status_warn");
492 statusElem
.classList
.remove("noVNC_status_normal");
493 statusElem
.classList
.add("noVNC_status_error");
497 statusElem
.classList
.remove("noVNC_status_error");
498 statusElem
.classList
.remove("noVNC_status_normal");
499 statusElem
.classList
.add("noVNC_status_warn");
504 statusElem
.classList
.remove("noVNC_status_error");
505 statusElem
.classList
.remove("noVNC_status_warn");
506 statusElem
.classList
.add("noVNC_status_normal");
510 statusElem
.textContent
= text
;
511 statusElem
.classList
.add("noVNC_open");
513 // If no time was specified, show the status for 1.5 seconds
514 if (typeof time
=== 'undefined') {
518 // Error messages do not timeout
519 if (status_type
!== 'error') {
520 UI
.statusTimeout
= window
.setTimeout(UI
.hideStatus
, time
);
524 hideStatus: function() {
525 clearTimeout(UI
.statusTimeout
);
526 document
.getElementById('noVNC_status').classList
.remove("noVNC_open");
529 activateControlbar: function(event
) {
530 clearTimeout(UI
.idleControlbarTimeout
);
531 // We manipulate the anchor instead of the actual control
532 // bar in order to avoid creating new a stacking group
533 document
.getElementById('noVNC_control_bar_anchor')
534 .classList
.remove("noVNC_idle");
535 UI
.idleControlbarTimeout
= window
.setTimeout(UI
.idleControlbar
, 2000);
538 idleControlbar: function() {
539 document
.getElementById('noVNC_control_bar_anchor')
540 .classList
.add("noVNC_idle");
543 keepControlbar: function() {
544 clearTimeout(UI
.closeControlbarTimeout
);
547 openControlbar: function() {
548 document
.getElementById('noVNC_control_bar')
549 .classList
.add("noVNC_open");
552 closeControlbar: function() {
554 document
.getElementById('noVNC_control_bar')
555 .classList
.remove("noVNC_open");
558 toggleControlbar: function() {
559 if (document
.getElementById('noVNC_control_bar')
560 .classList
.contains("noVNC_open")) {
561 UI
.closeControlbar();
567 toggleControlbarSide: function () {
568 // Temporarily disable animation to avoid weird movement
569 var bar
= document
.getElementById('noVNC_control_bar');
570 bar
.style
.transitionDuration
= '0s';
571 bar
.addEventListener('transitionend', function () { this.style
.transitionDuration
= ""; });
573 var anchor
= document
.getElementById('noVNC_control_bar_anchor');
574 if (anchor
.classList
.contains("noVNC_right")) {
575 WebUtil
.writeSetting('controlbar_pos', 'left');
576 anchor
.classList
.remove("noVNC_right");
578 WebUtil
.writeSetting('controlbar_pos', 'right');
579 anchor
.classList
.add("noVNC_right");
582 // Consider this a movement of the handle
583 UI
.controlbarDrag
= true;
586 showControlbarHint: function (show
) {
587 var hint
= document
.getElementById('noVNC_control_bar_hint');
589 hint
.classList
.add("noVNC_active");
591 hint
.classList
.remove("noVNC_active");
595 dragControlbarHandle: function (e
) {
596 if (!UI
.controlbarGrabbed
) return;
598 var ptr
= getPointerEvent(e
);
600 var anchor
= document
.getElementById('noVNC_control_bar_anchor');
601 if (ptr
.clientX
< (window
.innerWidth
* 0.1)) {
602 if (anchor
.classList
.contains("noVNC_right")) {
603 UI
.toggleControlbarSide();
605 } else if (ptr
.clientX
> (window
.innerWidth
* 0.9)) {
606 if (!anchor
.classList
.contains("noVNC_right")) {
607 UI
.toggleControlbarSide();
611 if (!UI
.controlbarDrag
) {
612 // The goal is to trigger on a certain physical width, the
613 // devicePixelRatio brings us a bit closer but is not optimal.
614 var dragThreshold
= 10 * (window
.devicePixelRatio
|| 1);
615 var dragDistance
= Math
.abs(ptr
.clientY
- UI
.controlbarMouseDownClientY
);
617 if (dragDistance
< dragThreshold
) return;
619 UI
.controlbarDrag
= true;
622 var eventY
= ptr
.clientY
- UI
.controlbarMouseDownOffsetY
;
624 UI
.moveControlbarHandle(eventY
);
629 UI
.activateControlbar();
632 // Move the handle but don't allow any position outside the bounds
633 moveControlbarHandle: function (viewportRelativeY
) {
634 var handle
= document
.getElementById("noVNC_control_bar_handle");
635 var handleHeight
= handle
.getBoundingClientRect().height
;
636 var controlbarBounds
= document
.getElementById("noVNC_control_bar")
637 .getBoundingClientRect();
640 // These heights need to be non-zero for the below logic to work
641 if (handleHeight
=== 0 || controlbarBounds
.height
=== 0) {
645 var newY
= viewportRelativeY
;
647 // Check if the coordinates are outside the control bar
648 if (newY
< controlbarBounds
.top
+ margin
) {
649 // Force coordinates to be below the top of the control bar
650 newY
= controlbarBounds
.top
+ margin
;
652 } else if (newY
> controlbarBounds
.top
+
653 controlbarBounds
.height
- handleHeight
- margin
) {
654 // Force coordinates to be above the bottom of the control bar
655 newY
= controlbarBounds
.top
+
656 controlbarBounds
.height
- handleHeight
- margin
;
659 // Corner case: control bar too small for stable position
660 if (controlbarBounds
.height
< (handleHeight
+ margin
* 2)) {
661 newY
= controlbarBounds
.top
+
662 (controlbarBounds
.height
- handleHeight
) / 2;
665 // The transform needs coordinates that are relative to the parent
666 var parentRelativeY
= newY
- controlbarBounds
.top
;
667 handle
.style
.transform
= "translateY(" + parentRelativeY
+ "px)";
670 updateControlbarHandle: function () {
671 // Since the control bar is fixed on the viewport and not the page,
672 // the move function expects coordinates relative the the viewport.
673 var handle
= document
.getElementById("noVNC_control_bar_handle");
674 var handleBounds
= handle
.getBoundingClientRect();
675 UI
.moveControlbarHandle(handleBounds
.top
);
678 controlbarHandleMouseUp: function(e
) {
679 if ((e
.type
== "mouseup") && (e
.button
!= 0)) return;
681 // mouseup and mousedown on the same place toggles the controlbar
682 if (UI
.controlbarGrabbed
&& !UI
.controlbarDrag
) {
683 UI
.toggleControlbar();
687 UI
.activateControlbar();
689 UI
.controlbarGrabbed
= false;
690 UI
.showControlbarHint(false);
693 controlbarHandleMouseDown: function(e
) {
694 if ((e
.type
== "mousedown") && (e
.button
!= 0)) return;
696 var ptr
= getPointerEvent(e
);
698 var handle
= document
.getElementById("noVNC_control_bar_handle");
699 var bounds
= handle
.getBoundingClientRect();
701 // Touch events have implicit capture
702 if (e
.type
=== "mousedown") {
706 UI
.controlbarGrabbed
= true;
707 UI
.controlbarDrag
= false;
709 UI
.showControlbarHint(true);
711 UI
.controlbarMouseDownClientY
= ptr
.clientY
;
712 UI
.controlbarMouseDownOffsetY
= ptr
.clientY
- bounds
.top
;
716 UI
.activateControlbar();
719 toggleExpander: function(e
) {
720 if (this.classList
.contains("noVNC_open")) {
721 this.classList
.remove("noVNC_open");
723 this.classList
.add("noVNC_open");
733 // Initial page load read/initialization of settings
734 initSetting: function(name
, defVal
) {
735 // Check Query string followed by cookie
736 var val
= WebUtil
.getConfigVar(name
);
738 val
= WebUtil
.readSetting(name
, defVal
);
740 UI
.updateSetting(name
, val
);
744 // Update cookie and form control setting. If value is not set, then
745 // updates from control to current cookie setting.
746 updateSetting: function(name
, value
) {
748 // Save the cookie for this session
749 if (typeof value
!== 'undefined') {
750 WebUtil
.writeSetting(name
, value
);
753 // Update the settings control
754 value
= UI
.getSetting(name
);
756 var ctrl
= document
.getElementById('noVNC_setting_' + name
);
757 if (ctrl
.type
=== 'checkbox') {
758 ctrl
.checked
= value
;
760 } else if (typeof ctrl
.options
!== 'undefined') {
761 for (var i
= 0; i
< ctrl
.options
.length
; i
+= 1) {
762 if (ctrl
.options
[i
].value
=== value
) {
763 ctrl
.selectedIndex
= i
;
768 /*Weird IE9 error leads to 'null' appearring
769 in textboxes instead of ''.*/
770 if (value
=== null) {
777 // Save control setting to cookie
778 saveSetting: function(name
) {
779 var val
, ctrl
= document
.getElementById('noVNC_setting_' + name
);
780 if (ctrl
.type
=== 'checkbox') {
782 } else if (typeof ctrl
.options
!== 'undefined') {
783 val
= ctrl
.options
[ctrl
.selectedIndex
].value
;
787 WebUtil
.writeSetting(name
, val
);
788 //Log.Debug("Setting saved '" + name + "=" + val + "'");
792 // Read form control compatible setting from cookie
793 getSetting: function(name
) {
794 var ctrl
= document
.getElementById('noVNC_setting_' + name
);
795 var val
= WebUtil
.readSetting(name
);
796 if (typeof val
!== 'undefined' && val
!== null && ctrl
.type
=== 'checkbox') {
797 if (val
.toString().toLowerCase() in {'0':1, 'no':1, 'false':1}) {
806 // These helpers compensate for the lack of parent-selectors and
807 // previous-sibling-selectors in CSS which are needed when we want to
808 // disable the labels that belong to disabled input elements.
809 disableSetting: function(name
) {
810 var ctrl
= document
.getElementById('noVNC_setting_' + name
);
811 ctrl
.disabled
= true;
812 ctrl
.label
.classList
.add('noVNC_disabled');
815 enableSetting: function(name
) {
816 var ctrl
= document
.getElementById('noVNC_setting_' + name
);
817 ctrl
.disabled
= false;
818 ctrl
.label
.classList
.remove('noVNC_disabled');
827 closeAllPanels: function() {
828 UI
.closeSettingsPanel();
829 UI
.closePowerPanel();
830 UI
.closeClipboardPanel();
840 openSettingsPanel: function() {
844 // Refresh UI elements from saved cookies
845 UI
.updateSetting('encrypt');
846 UI
.updateSetting('view_clip');
847 UI
.updateSetting('resize');
848 UI
.updateSetting('shared');
849 UI
.updateSetting('view_only');
850 UI
.updateSetting('path');
851 UI
.updateSetting('repeaterID');
852 UI
.updateSetting('logging');
853 UI
.updateSetting('reconnect');
854 UI
.updateSetting('reconnect_delay');
856 document
.getElementById('noVNC_settings')
857 .classList
.add("noVNC_open");
858 document
.getElementById('noVNC_settings_button')
859 .classList
.add("noVNC_selected");
862 closeSettingsPanel: function() {
863 document
.getElementById('noVNC_settings')
864 .classList
.remove("noVNC_open");
865 document
.getElementById('noVNC_settings_button')
866 .classList
.remove("noVNC_selected");
869 toggleSettingsPanel: function() {
870 if (document
.getElementById('noVNC_settings')
871 .classList
.contains("noVNC_open")) {
872 UI
.closeSettingsPanel();
874 UI
.openSettingsPanel();
884 openPowerPanel: function() {
888 document
.getElementById('noVNC_power')
889 .classList
.add("noVNC_open");
890 document
.getElementById('noVNC_power_button')
891 .classList
.add("noVNC_selected");
894 closePowerPanel: function() {
895 document
.getElementById('noVNC_power')
896 .classList
.remove("noVNC_open");
897 document
.getElementById('noVNC_power_button')
898 .classList
.remove("noVNC_selected");
901 togglePowerPanel: function() {
902 if (document
.getElementById('noVNC_power')
903 .classList
.contains("noVNC_open")) {
904 UI
.closePowerPanel();
910 // Disable/enable power button
911 updatePowerButton: function() {
913 UI
.rfb
.capabilities
.power
&&
915 document
.getElementById('noVNC_power_button')
916 .classList
.remove("noVNC_hidden");
918 document
.getElementById('noVNC_power_button')
919 .classList
.add("noVNC_hidden");
920 // Close power panel if open
921 UI
.closePowerPanel();
931 openClipboardPanel: function() {
935 document
.getElementById('noVNC_clipboard')
936 .classList
.add("noVNC_open");
937 document
.getElementById('noVNC_clipboard_button')
938 .classList
.add("noVNC_selected");
941 closeClipboardPanel: function() {
942 document
.getElementById('noVNC_clipboard')
943 .classList
.remove("noVNC_open");
944 document
.getElementById('noVNC_clipboard_button')
945 .classList
.remove("noVNC_selected");
948 toggleClipboardPanel: function() {
949 if (document
.getElementById('noVNC_clipboard')
950 .classList
.contains("noVNC_open")) {
951 UI
.closeClipboardPanel();
953 UI
.openClipboardPanel();
957 clipboardReceive: function(e
) {
958 Log
.Debug(">> UI.clipboardReceive: " + e
.detail
.text
.substr(0,40) + "...");
959 document
.getElementById('noVNC_clipboard_text').value
= e
.detail
.text
;
960 Log
.Debug("<< UI.clipboardReceive");
963 clipboardClear: function() {
964 document
.getElementById('noVNC_clipboard_text').value
= "";
965 UI
.rfb
.clipboardPasteFrom("");
968 clipboardSend: function() {
969 var text
= document
.getElementById('noVNC_clipboard_text').value
;
970 Log
.Debug(">> UI.clipboardSend: " + text
.substr(0,40) + "...");
971 UI
.rfb
.clipboardPasteFrom(text
);
972 Log
.Debug("<< UI.clipboardSend");
981 openConnectPanel: function() {
982 document
.getElementById('noVNC_connect_dlg')
983 .classList
.add("noVNC_open");
986 closeConnectPanel: function() {
987 document
.getElementById('noVNC_connect_dlg')
988 .classList
.remove("noVNC_open");
991 connect: function(event
, password
) {
992 var host
= UI
.getSetting('host');
993 var port
= UI
.getSetting('port');
994 var path
= UI
.getSetting('path');
996 if (typeof password
=== 'undefined') {
997 password
= WebUtil
.getConfigVar('password');
998 UI
.reconnect_password
= password
;
1001 if (password
=== null) {
1002 password
= undefined;
1008 Log
.Error("Can't connect when host is: " + host
);
1009 UI
.showStatus(_("Must set host"), 'error');
1013 UI
.closeAllPanels();
1014 UI
.closeConnectPanel();
1016 UI
.updateVisualState('connecting');
1018 UI
.updateViewOnly();
1022 url
= UI
.getSetting('encrypt') ? 'wss' : 'ws';
1024 url
+= '://' + host
;
1030 UI
.rfb
= new RFB(document
.getElementById('noVNC_container'), url
,
1031 { shared
: UI
.getSetting('shared'),
1032 repeaterID
: UI
.getSetting('repeaterID'),
1033 credentials
: { password
: password
} });
1034 UI
.rfb
.addEventListener("connect", UI
.connectFinished
);
1035 UI
.rfb
.addEventListener("disconnect", UI
.disconnectFinished
);
1036 UI
.rfb
.addEventListener("credentialsrequired", UI
.credentials
);
1037 UI
.rfb
.addEventListener("securityfailure", UI
.securityFailed
);
1038 UI
.rfb
.addEventListener("capabilities", function () { UI
.updatePowerButton(); });
1039 UI
.rfb
.addEventListener("clipboard", UI
.clipboardReceive
);
1040 UI
.rfb
.addEventListener("bell", UI
.bell
);
1041 UI
.rfb
.addEventListener("desktopname", UI
.updateDesktopName
);
1042 UI
.rfb
.clipViewport
= UI
.getSetting('view_clip');
1043 UI
.rfb
.scaleViewport
= UI
.getSetting('resize') === 'scale';
1044 UI
.rfb
.resizeSession
= UI
.getSetting('resize') === 'remote';
1047 disconnect: function() {
1048 UI
.closeAllPanels();
1049 UI
.rfb
.disconnect();
1051 UI
.connected
= false;
1053 // Disable automatic reconnecting
1054 UI
.inhibit_reconnect
= true;
1056 UI
.updateVisualState('disconnecting');
1058 // Don't display the connection settings until we're actually disconnected
1061 reconnect: function() {
1062 UI
.reconnect_callback
= null;
1064 // if reconnect has been disabled in the meantime, do nothing.
1065 if (UI
.inhibit_reconnect
) {
1069 UI
.connect(null, UI
.reconnect_password
);
1072 cancelReconnect: function() {
1073 if (UI
.reconnect_callback
!== null) {
1074 clearTimeout(UI
.reconnect_callback
);
1075 UI
.reconnect_callback
= null;
1078 UI
.updateVisualState('disconnected');
1080 UI
.openControlbar();
1081 UI
.openConnectPanel();
1084 connectFinished: function (e
) {
1085 UI
.connected
= true;
1086 UI
.inhibit_reconnect
= false;
1089 if (UI
.getSetting('encrypt')) {
1090 msg
= _("Connected (encrypted) to ") + UI
.desktopName
;
1092 msg
= _("Connected (unencrypted) to ") + UI
.desktopName
;
1095 UI
.updateVisualState('connected');
1097 // Do this last because it can only be used on rendered elements
1101 disconnectFinished: function (e
) {
1102 let wasConnected
= UI
.connected
;
1104 // This variable is ideally set when disconnection starts, but
1105 // when the disconnection isn't clean or if it is initiated by
1106 // the server, we need to do it here as well since
1107 // UI.disconnect() won't be used in those cases.
1108 UI
.connected
= false;
1110 if (!e
.detail
.clean
) {
1111 UI
.updateVisualState('disconnected');
1113 UI
.showStatus(_("Something went wrong, connection is closed"),
1116 UI
.showStatus(_("Failed to connect to server"), 'error');
1118 } else if (UI
.getSetting('reconnect', false) === true && !UI
.inhibit_reconnect
) {
1119 UI
.updateVisualState('reconnecting');
1121 var delay
= parseInt(UI
.getSetting('reconnect_delay'));
1122 UI
.reconnect_callback
= setTimeout(UI
.reconnect
, delay
);
1125 UI
.updateVisualState('disconnected');
1126 UI
.showStatus(_("Disconnected"), 'normal');
1129 UI
.openControlbar();
1130 UI
.openConnectPanel();
1133 securityFailed: function (e
) {
1135 // On security failures we might get a string with a reason
1136 // directly from the server. Note that we can't control if
1137 // this string is translated or not.
1138 if ('reason' in e
.detail
) {
1139 msg
= _("New connection has been rejected with reason: ") +
1142 msg
= _("New connection has been rejected");
1144 UI
.showStatus(msg
, 'error');
1153 credentials: function(e
) {
1154 // FIXME: handle more types
1155 document
.getElementById('noVNC_password_dlg')
1156 .classList
.add('noVNC_open');
1158 setTimeout(function () {
1159 document
.getElementById('noVNC_password_input').focus();
1162 Log
.Warn("Server asked for a password");
1163 UI
.showStatus(_("Password is required"), "warning");
1166 setPassword: function(e
) {
1167 // Prevent actually submitting the form
1170 var inputElem
= document
.getElementById('noVNC_password_input');
1171 var password
= inputElem
.value
;
1172 // Clear the input after reading the password
1173 inputElem
.value
= "";
1174 UI
.rfb
.sendCredentials({ password
: password
});
1175 UI
.reconnect_password
= password
;
1176 document
.getElementById('noVNC_password_dlg')
1177 .classList
.remove('noVNC_open');
1186 toggleFullscreen: function() {
1187 if (document
.fullscreenElement
|| // alternative standard method
1188 document
.mozFullScreenElement
|| // currently working methods
1189 document
.webkitFullscreenElement
||
1190 document
.msFullscreenElement
) {
1191 if (document
.exitFullscreen
) {
1192 document
.exitFullscreen();
1193 } else if (document
.mozCancelFullScreen
) {
1194 document
.mozCancelFullScreen();
1195 } else if (document
.webkitExitFullscreen
) {
1196 document
.webkitExitFullscreen();
1197 } else if (document
.msExitFullscreen
) {
1198 document
.msExitFullscreen();
1201 if (document
.documentElement
.requestFullscreen
) {
1202 document
.documentElement
.requestFullscreen();
1203 } else if (document
.documentElement
.mozRequestFullScreen
) {
1204 document
.documentElement
.mozRequestFullScreen();
1205 } else if (document
.documentElement
.webkitRequestFullscreen
) {
1206 document
.documentElement
.webkitRequestFullscreen(Element
.ALLOW_KEYBOARD_INPUT
);
1207 } else if (document
.body
.msRequestFullscreen
) {
1208 document
.body
.msRequestFullscreen();
1211 UI
.enableDisableViewClip();
1212 UI
.updateFullscreenButton();
1215 updateFullscreenButton: function() {
1216 if (document
.fullscreenElement
|| // alternative standard method
1217 document
.mozFullScreenElement
|| // currently working methods
1218 document
.webkitFullscreenElement
||
1219 document
.msFullscreenElement
) {
1220 document
.getElementById('noVNC_fullscreen_button')
1221 .classList
.add("noVNC_selected");
1223 document
.getElementById('noVNC_fullscreen_button')
1224 .classList
.remove("noVNC_selected");
1234 // Apply remote resizing or local scaling
1235 applyResizeMode: function() {
1236 if (!UI
.rfb
) return;
1238 UI
.rfb
.scaleViewport
= UI
.getSetting('resize') === 'scale';
1239 UI
.rfb
.resizeSession
= UI
.getSetting('resize') === 'remote';
1248 // Update parameters that depend on the viewport clip setting
1249 updateViewClip: function() {
1250 if (!UI
.rfb
) return;
1252 var cur_clip
= UI
.rfb
.clipViewport
;
1253 var new_clip
= UI
.getSetting('view_clip');
1255 if (isTouchDevice
) {
1256 // Touch devices usually have shit scrollbars
1260 if (cur_clip
!== new_clip
) {
1261 UI
.rfb
.clipViewport
= new_clip
;
1264 // Changing the viewport may change the state of
1265 // the dragging button
1266 UI
.updateViewDrag();
1269 // Handle special cases where viewport clipping is forced on/off or locked
1270 enableDisableViewClip: function() {
1271 var resizeSetting
= UI
.getSetting('resize');
1272 // Disable clipping if we are scaling, connected or on touch
1273 if (resizeSetting
=== 'scale' ||
1275 UI
.disableSetting('view_clip');
1277 UI
.enableSetting('view_clip');
1287 toggleViewDrag: function() {
1288 if (!UI
.rfb
) return;
1290 var drag
= UI
.rfb
.dragViewport
;
1291 UI
.setViewDrag(!drag
);
1294 // Set the view drag mode which moves the viewport on mouse drags
1295 setViewDrag: function(drag
) {
1296 if (!UI
.rfb
) return;
1298 UI
.rfb
.dragViewport
= drag
;
1300 UI
.updateViewDrag();
1303 updateViewDrag: function() {
1304 if (!UI
.connected
) return;
1306 var viewDragButton
= document
.getElementById('noVNC_view_drag_button');
1308 if (!UI
.rfb
.clipViewport
&& UI
.rfb
.dragViewport
) {
1309 // We are no longer clipping the viewport. Make sure
1310 // viewport drag isn't active when it can't be used.
1311 UI
.rfb
.dragViewport
= false;
1314 if (UI
.rfb
.dragViewport
) {
1315 viewDragButton
.classList
.add("noVNC_selected");
1317 viewDragButton
.classList
.remove("noVNC_selected");
1320 // Different behaviour for touch vs non-touch
1321 // The button is disabled instead of hidden on touch devices
1322 if (isTouchDevice
) {
1323 viewDragButton
.classList
.remove("noVNC_hidden");
1325 if (UI
.rfb
.clipViewport
) {
1326 viewDragButton
.disabled
= false;
1328 viewDragButton
.disabled
= true;
1331 viewDragButton
.disabled
= false;
1333 if (UI
.rfb
.clipViewport
) {
1334 viewDragButton
.classList
.remove("noVNC_hidden");
1336 viewDragButton
.classList
.add("noVNC_hidden");
1347 showVirtualKeyboard: function() {
1348 if (!isTouchDevice
) return;
1350 var input
= document
.getElementById('noVNC_keyboardinput');
1352 if (document
.activeElement
== input
) return;
1357 var l
= input
.value
.length
;
1358 // Move the caret to the end
1359 input
.setSelectionRange(l
, l
);
1360 } catch (err
) {} // setSelectionRange is undefined in Google Chrome
1363 hideVirtualKeyboard: function() {
1364 if (!isTouchDevice
) return;
1366 var input
= document
.getElementById('noVNC_keyboardinput');
1368 if (document
.activeElement
!= input
) return;
1373 toggleVirtualKeyboard: function () {
1374 if (document
.getElementById('noVNC_keyboard_button')
1375 .classList
.contains("noVNC_selected")) {
1376 UI
.hideVirtualKeyboard();
1378 UI
.showVirtualKeyboard();
1382 onfocusVirtualKeyboard: function(event
) {
1383 document
.getElementById('noVNC_keyboard_button')
1384 .classList
.add("noVNC_selected");
1386 UI
.rfb
.focusOnClick
= false;
1390 onblurVirtualKeyboard: function(event
) {
1391 document
.getElementById('noVNC_keyboard_button')
1392 .classList
.remove("noVNC_selected");
1394 UI
.rfb
.focusOnClick
= true;
1398 keepVirtualKeyboard: function(event
) {
1399 var input
= document
.getElementById('noVNC_keyboardinput');
1401 // Only prevent focus change if the virtual keyboard is active
1402 if (document
.activeElement
!= input
) {
1406 // Only allow focus to move to other elements that need
1407 // focus to function properly
1408 if (event
.target
.form
!== undefined) {
1409 switch (event
.target
.type
) {
1418 case 'select-multiple':
1423 event
.preventDefault();
1426 keyboardinputReset: function() {
1427 var kbi
= document
.getElementById('noVNC_keyboardinput');
1428 kbi
.value
= new Array(UI
.defaultKeyboardinputLen
).join("_");
1429 UI
.lastKeyboardinput
= kbi
.value
;
1432 keyEvent: function (keysym
, code
, down
) {
1433 if (!UI
.rfb
) return;
1435 UI
.rfb
.sendKey(keysym
, code
, down
);
1438 // When normal keyboard events are left uncought, use the input events from
1439 // the keyboardinput element instead and generate the corresponding key events.
1440 // This code is required since some browsers on Android are inconsistent in
1441 // sending keyCodes in the normal keyboard events when using on screen keyboards.
1442 keyInput: function(event
) {
1444 if (!UI
.rfb
) return;
1446 var newValue
= event
.target
.value
;
1448 if (!UI
.lastKeyboardinput
) {
1449 UI
.keyboardinputReset();
1451 var oldValue
= UI
.lastKeyboardinput
;
1455 // Try to check caret position since whitespace at the end
1456 // will not be considered by value.length in some browsers
1457 newLen
= Math
.max(event
.target
.selectionStart
, newValue
.length
);
1459 // selectionStart is undefined in Google Chrome
1460 newLen
= newValue
.length
;
1462 var oldLen
= oldValue
.length
;
1465 var inputs
= newLen
- oldLen
;
1467 backspaces
= -inputs
;
1472 // Compare the old string with the new to account for
1473 // text-corrections or other input that modify existing text
1475 for (i
= 0; i
< Math
.min(oldLen
, newLen
); i
++) {
1476 if (newValue
.charAt(i
) != oldValue
.charAt(i
)) {
1477 inputs
= newLen
- i
;
1478 backspaces
= oldLen
- i
;
1483 // Send the key events
1484 for (i
= 0; i
< backspaces
; i
++) {
1485 UI
.rfb
.sendKey(KeyTable
.XK_BackSpace
, "Backspace");
1487 for (i
= newLen
- inputs
; i
< newLen
; i
++) {
1488 UI
.rfb
.sendKey(keysyms
.lookup(newValue
.charCodeAt(i
)));
1491 // Control the text content length in the keyboardinput element
1492 if (newLen
> 2 * UI
.defaultKeyboardinputLen
) {
1493 UI
.keyboardinputReset();
1494 } else if (newLen
< 1) {
1495 // There always have to be some text in the keyboardinput
1496 // element with which backspace can interact.
1497 UI
.keyboardinputReset();
1498 // This sometimes causes the keyboard to disappear for a second
1499 // but it is required for the android keyboard to recognize that
1500 // text has been added to the field
1501 event
.target
.blur();
1502 // This has to be ran outside of the input handler in order to work
1503 setTimeout(event
.target
.focus
.bind(event
.target
), 0);
1505 UI
.lastKeyboardinput
= newValue
;
1515 openExtraKeys: function() {
1516 UI
.closeAllPanels();
1517 UI
.openControlbar();
1519 document
.getElementById('noVNC_modifiers')
1520 .classList
.add("noVNC_open");
1521 document
.getElementById('noVNC_toggle_extra_keys_button')
1522 .classList
.add("noVNC_selected");
1525 closeExtraKeys: function() {
1526 document
.getElementById('noVNC_modifiers')
1527 .classList
.remove("noVNC_open");
1528 document
.getElementById('noVNC_toggle_extra_keys_button')
1529 .classList
.remove("noVNC_selected");
1532 toggleExtraKeys: function() {
1533 if(document
.getElementById('noVNC_modifiers')
1534 .classList
.contains("noVNC_open")) {
1535 UI
.closeExtraKeys();
1541 sendEsc: function() {
1542 UI
.rfb
.sendKey(KeyTable
.XK_Escape
, "Escape");
1545 sendTab: function() {
1546 UI
.rfb
.sendKey(KeyTable
.XK_Tab
);
1549 toggleCtrl: function() {
1550 var btn
= document
.getElementById('noVNC_toggle_ctrl_button');
1551 if (btn
.classList
.contains("noVNC_selected")) {
1552 UI
.rfb
.sendKey(KeyTable
.XK_Control_L
, "ControlLeft", false);
1553 btn
.classList
.remove("noVNC_selected");
1555 UI
.rfb
.sendKey(KeyTable
.XK_Control_L
, "ControlLeft", true);
1556 btn
.classList
.add("noVNC_selected");
1560 toggleAlt: function() {
1561 var btn
= document
.getElementById('noVNC_toggle_alt_button');
1562 if (btn
.classList
.contains("noVNC_selected")) {
1563 UI
.rfb
.sendKey(KeyTable
.XK_Alt_L
, "AltLeft", false);
1564 btn
.classList
.remove("noVNC_selected");
1566 UI
.rfb
.sendKey(KeyTable
.XK_Alt_L
, "AltLeft", true);
1567 btn
.classList
.add("noVNC_selected");
1571 sendCtrlAltDel: function() {
1572 UI
.rfb
.sendCtrlAltDel();
1581 setMouseButton: function(num
) {
1582 var view_only
= UI
.rfb
.viewOnly
;
1583 if (UI
.rfb
&& !view_only
) {
1584 UI
.rfb
.touchButton
= num
;
1587 var blist
= [0, 1,2,4];
1588 for (var b
= 0; b
< blist
.length
; b
++) {
1589 var button
= document
.getElementById('noVNC_mouse_button' +
1591 if (blist
[b
] === num
&& !view_only
) {
1592 button
.classList
.remove("noVNC_hidden");
1594 button
.classList
.add("noVNC_hidden");
1599 updateViewOnly: function() {
1600 if (!UI
.rfb
) return;
1601 UI
.rfb
.viewOnly
= UI
.getSetting('view_only');
1604 updateLogging: function() {
1605 WebUtil
.init_logging(UI
.getSetting('logging'));
1608 updateDesktopName: function(e
) {
1609 UI
.desktopName
= e
.detail
.name
;
1610 // Display the desktop name in the document title
1611 document
.title
= e
.detail
.name
+ " - noVNC";
1615 if (WebUtil
.getConfigVar('bell', 'on') === 'on') {
1616 var promise
= document
.getElementById('noVNC_bell').play();
1617 // The standards disagree on the return value here
1619 promise
.catch(function(e
) {
1620 if (e
.name
=== "NotAllowedError") {
1621 // Ignore when the browser doesn't let us play audio.
1622 // It is common that the browsers require audio to be
1623 // initiated from a user action.
1625 Log
.Error("Unable to play bell: " + e
);
1632 //Helper to add options to dropdown.
1633 addOption: function(selectbox
, text
, value
) {
1634 var optn
= document
.createElement("OPTION");
1637 selectbox
.options
.add(optn
);
1646 // Set up translations
1647 var LINGUAS
= ["de", "el", "nl", "pl", "sv"];
1648 l10n
.setup(LINGUAS
);
1649 if (l10n
.language
!== "en" && l10n
.dictionary
=== undefined) {
1650 WebUtil
.fetchJSON('app/locale/' + l10n
.language
+ '.json', function (translations
) {
1651 l10n
.dictionary
= translations
;
1653 // wait for translations to load before loading the UI