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1 | /* | |
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) | |
7 | * | |
8 | * See README.md for usage and integration instructions. | |
9 | */ | |
10 | ||
11 | /* jslint white: false, browser: true */ | |
12 | /* global window, document.getElementById, Util, WebUtil, RFB, Display */ | |
13 | ||
14 | import * as Log from '../core/util/logging.js'; | |
15 | import _, { l10n } from '../core/util/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"; | |
24 | ||
25 | var UI = { | |
26 | ||
27 | connected: false, | |
28 | desktopName: "", | |
29 | ||
30 | resizeTimeout: null, | |
31 | statusTimeout: null, | |
32 | hideKeyboardTimeout: null, | |
33 | idleControlbarTimeout: null, | |
34 | closeControlbarTimeout: null, | |
35 | ||
36 | controlbarGrabbed: false, | |
37 | controlbarDrag: false, | |
38 | controlbarMouseDownClientY: 0, | |
39 | controlbarMouseDownOffsetY: 0, | |
40 | ||
41 | isSafari: false, | |
42 | lastKeyboardinput: null, | |
43 | defaultKeyboardinputLen: 100, | |
44 | ||
45 | inhibit_reconnect: true, | |
46 | reconnect_callback: null, | |
47 | reconnect_password: null, | |
48 | ||
49 | prime: function(callback) { | |
50 | if (document.readyState === "interactive" || document.readyState === "complete") { | |
51 | UI.load(callback); | |
52 | } else { | |
53 | document.addEventListener('DOMContentLoaded', UI.load.bind(UI, callback)); | |
54 | } | |
55 | }, | |
56 | ||
57 | // Setup rfb object, load settings from browser storage, then call | |
58 | // UI.init to setup the UI/menus | |
59 | load: function(callback) { | |
60 | WebUtil.initSettings(UI.start, callback); | |
61 | }, | |
62 | ||
63 | // Render default UI and initialize settings menu | |
64 | start: function(callback) { | |
65 | ||
66 | // Setup global variables first | |
67 | UI.isSafari = (navigator.userAgent.indexOf('Safari') !== -1 && | |
68 | navigator.userAgent.indexOf('Chrome') === -1); | |
69 | ||
70 | UI.initSettings(); | |
71 | ||
72 | // Translate the DOM | |
73 | l10n.translateDOM(); | |
74 | ||
75 | // Adapt the interface for touch screen devices | |
76 | if (isTouchDevice) { | |
77 | document.documentElement.classList.add("noVNC_touch"); | |
78 | // Remove the address bar | |
79 | setTimeout(function() { window.scrollTo(0, 1); }, 100); | |
80 | } | |
81 | ||
82 | // Restore control bar position | |
83 | if (WebUtil.readSetting('controlbar_pos') === 'right') { | |
84 | UI.toggleControlbarSide(); | |
85 | } | |
86 | ||
87 | UI.initFullscreen(); | |
88 | ||
89 | // Setup event handlers | |
90 | UI.addResizeHandlers(); | |
91 | UI.addControlbarHandlers(); | |
92 | UI.addTouchSpecificHandlers(); | |
93 | UI.addExtraKeysHandlers(); | |
94 | UI.addMachineHandlers(); | |
95 | UI.addConnectionControlHandlers(); | |
96 | UI.addClipboardHandlers(); | |
97 | UI.addSettingsHandlers(); | |
98 | document.getElementById("noVNC_status") | |
99 | .addEventListener('click', UI.hideStatus); | |
100 | ||
101 | // Bootstrap fallback input handler | |
102 | UI.keyboardinputReset(); | |
103 | ||
104 | UI.openControlbar(); | |
105 | ||
106 | UI.updateViewClip(); | |
107 | ||
108 | UI.updateVisualState('init'); | |
109 | ||
110 | document.documentElement.classList.remove("noVNC_loading"); | |
111 | ||
112 | var autoconnect = WebUtil.getConfigVar('autoconnect', false); | |
113 | if (autoconnect === 'true' || autoconnect == '1') { | |
114 | autoconnect = true; | |
115 | UI.connect(); | |
116 | } else { | |
117 | autoconnect = false; | |
118 | // Show the connect panel on first load unless autoconnecting | |
119 | UI.openConnectPanel(); | |
120 | } | |
121 | ||
122 | if (typeof callback === "function") { | |
123 | callback(UI.rfb); | |
124 | } | |
125 | }, | |
126 | ||
127 | initFullscreen: function() { | |
128 | // Only show the button if fullscreen is properly supported | |
129 | // * Safari doesn't support alphanumerical input while in fullscreen | |
130 | if (!UI.isSafari && | |
131 | (document.documentElement.requestFullscreen || | |
132 | document.documentElement.mozRequestFullScreen || | |
133 | document.documentElement.webkitRequestFullscreen || | |
134 | document.body.msRequestFullscreen)) { | |
135 | document.getElementById('noVNC_fullscreen_button') | |
136 | .classList.remove("noVNC_hidden"); | |
137 | UI.addFullscreenHandlers(); | |
138 | } | |
139 | }, | |
140 | ||
141 | initSettings: function() { | |
142 | var i; | |
143 | ||
144 | // Logging selection dropdown | |
145 | var llevels = ['error', 'warn', 'info', 'debug']; | |
146 | for (i = 0; i < llevels.length; i += 1) { | |
147 | UI.addOption(document.getElementById('noVNC_setting_logging'),llevels[i], llevels[i]); | |
148 | } | |
149 | ||
150 | // Settings with immediate effects | |
151 | UI.initSetting('logging', 'warn'); | |
152 | UI.updateLogging(); | |
153 | ||
154 | // if port == 80 (or 443) then it won't be present and should be | |
155 | // set manually | |
156 | var port = window.location.port; | |
157 | if (!port) { | |
158 | if (window.location.protocol.substring(0,5) == 'https') { | |
159 | port = 443; | |
160 | } | |
161 | else if (window.location.protocol.substring(0,4) == 'http') { | |
162 | port = 80; | |
163 | } | |
164 | } | |
165 | ||
166 | /* Populate the controls if defaults are provided in the URL */ | |
167 | UI.initSetting('host', window.location.hostname); | |
168 | UI.initSetting('port', port); | |
169 | UI.initSetting('encrypt', (window.location.protocol === "https:")); | |
170 | UI.initSetting('view_clip', false); | |
171 | UI.initSetting('resize', 'off'); | |
172 | UI.initSetting('shared', true); | |
173 | UI.initSetting('view_only', false); | |
174 | UI.initSetting('path', 'websockify'); | |
175 | UI.initSetting('repeaterID', ''); | |
176 | UI.initSetting('reconnect', false); | |
177 | UI.initSetting('reconnect_delay', 5000); | |
178 | ||
179 | UI.setupSettingLabels(); | |
180 | }, | |
181 | // Adds a link to the label elements on the corresponding input elements | |
182 | setupSettingLabels: function() { | |
183 | var labels = document.getElementsByTagName('LABEL'); | |
184 | for (var i = 0; i < labels.length; i++) { | |
185 | var htmlFor = labels[i].htmlFor; | |
186 | if (htmlFor != '') { | |
187 | var elem = document.getElementById(htmlFor); | |
188 | if (elem) elem.label = labels[i]; | |
189 | } else { | |
190 | // If 'for' isn't set, use the first input element child | |
191 | var children = labels[i].children; | |
192 | for (var j = 0; j < children.length; j++) { | |
193 | if (children[j].form !== undefined) { | |
194 | children[j].label = labels[i]; | |
195 | break; | |
196 | } | |
197 | } | |
198 | } | |
199 | } | |
200 | }, | |
201 | ||
202 | /* ------^------- | |
203 | * /INIT | |
204 | * ============== | |
205 | * EVENT HANDLERS | |
206 | * ------v------*/ | |
207 | ||
208 | addResizeHandlers: function() { | |
209 | window.addEventListener('resize', UI.applyResizeMode); | |
210 | window.addEventListener('resize', UI.updateViewClip); | |
211 | }, | |
212 | ||
213 | addControlbarHandlers: function() { | |
214 | document.getElementById("noVNC_control_bar") | |
215 | .addEventListener('mousemove', UI.activateControlbar); | |
216 | document.getElementById("noVNC_control_bar") | |
217 | .addEventListener('mouseup', UI.activateControlbar); | |
218 | document.getElementById("noVNC_control_bar") | |
219 | .addEventListener('mousedown', UI.activateControlbar); | |
220 | document.getElementById("noVNC_control_bar") | |
221 | .addEventListener('keydown', UI.activateControlbar); | |
222 | ||
223 | document.getElementById("noVNC_control_bar") | |
224 | .addEventListener('mousedown', UI.keepControlbar); | |
225 | document.getElementById("noVNC_control_bar") | |
226 | .addEventListener('keydown', UI.keepControlbar); | |
227 | ||
228 | document.getElementById("noVNC_view_drag_button") | |
229 | .addEventListener('click', UI.toggleViewDrag); | |
230 | ||
231 | document.getElementById("noVNC_control_bar_handle") | |
232 | .addEventListener('mousedown', UI.controlbarHandleMouseDown); | |
233 | document.getElementById("noVNC_control_bar_handle") | |
234 | .addEventListener('mouseup', UI.controlbarHandleMouseUp); | |
235 | document.getElementById("noVNC_control_bar_handle") | |
236 | .addEventListener('mousemove', UI.dragControlbarHandle); | |
237 | // resize events aren't available for elements | |
238 | window.addEventListener('resize', UI.updateControlbarHandle); | |
239 | ||
240 | var exps = document.getElementsByClassName("noVNC_expander"); | |
241 | for (var i = 0;i < exps.length;i++) { | |
242 | exps[i].addEventListener('click', UI.toggleExpander); | |
243 | } | |
244 | }, | |
245 | ||
246 | addTouchSpecificHandlers: function() { | |
247 | document.getElementById("noVNC_mouse_button0") | |
248 | .addEventListener('click', function () { UI.setMouseButton(1); }); | |
249 | document.getElementById("noVNC_mouse_button1") | |
250 | .addEventListener('click', function () { UI.setMouseButton(2); }); | |
251 | document.getElementById("noVNC_mouse_button2") | |
252 | .addEventListener('click', function () { UI.setMouseButton(4); }); | |
253 | document.getElementById("noVNC_mouse_button4") | |
254 | .addEventListener('click', function () { UI.setMouseButton(0); }); | |
255 | document.getElementById("noVNC_keyboard_button") | |
256 | .addEventListener('click', UI.toggleVirtualKeyboard); | |
257 | ||
258 | UI.touchKeyboard = new Keyboard(document.getElementById('noVNC_keyboardinput')); | |
259 | UI.touchKeyboard.onkeyevent = UI.keyEvent; | |
260 | UI.touchKeyboard.grab(); | |
261 | document.getElementById("noVNC_keyboardinput") | |
262 | .addEventListener('input', UI.keyInput); | |
263 | document.getElementById("noVNC_keyboardinput") | |
264 | .addEventListener('focus', UI.onfocusVirtualKeyboard); | |
265 | document.getElementById("noVNC_keyboardinput") | |
266 | .addEventListener('blur', UI.onblurVirtualKeyboard); | |
267 | document.getElementById("noVNC_keyboardinput") | |
268 | .addEventListener('submit', function () { return false; }); | |
269 | ||
270 | document.documentElement | |
271 | .addEventListener('mousedown', UI.keepVirtualKeyboard, true); | |
272 | ||
273 | document.getElementById("noVNC_control_bar") | |
274 | .addEventListener('touchstart', UI.activateControlbar); | |
275 | document.getElementById("noVNC_control_bar") | |
276 | .addEventListener('touchmove', UI.activateControlbar); | |
277 | document.getElementById("noVNC_control_bar") | |
278 | .addEventListener('touchend', UI.activateControlbar); | |
279 | document.getElementById("noVNC_control_bar") | |
280 | .addEventListener('input', UI.activateControlbar); | |
281 | ||
282 | document.getElementById("noVNC_control_bar") | |
283 | .addEventListener('touchstart', UI.keepControlbar); | |
284 | document.getElementById("noVNC_control_bar") | |
285 | .addEventListener('input', UI.keepControlbar); | |
286 | ||
287 | document.getElementById("noVNC_control_bar_handle") | |
288 | .addEventListener('touchstart', UI.controlbarHandleMouseDown); | |
289 | document.getElementById("noVNC_control_bar_handle") | |
290 | .addEventListener('touchend', UI.controlbarHandleMouseUp); | |
291 | document.getElementById("noVNC_control_bar_handle") | |
292 | .addEventListener('touchmove', UI.dragControlbarHandle); | |
293 | }, | |
294 | ||
295 | addExtraKeysHandlers: function() { | |
296 | document.getElementById("noVNC_toggle_extra_keys_button") | |
297 | .addEventListener('click', UI.toggleExtraKeys); | |
298 | document.getElementById("noVNC_toggle_ctrl_button") | |
299 | .addEventListener('click', UI.toggleCtrl); | |
300 | document.getElementById("noVNC_toggle_alt_button") | |
301 | .addEventListener('click', UI.toggleAlt); | |
302 | document.getElementById("noVNC_send_tab_button") | |
303 | .addEventListener('click', UI.sendTab); | |
304 | document.getElementById("noVNC_send_esc_button") | |
305 | .addEventListener('click', UI.sendEsc); | |
306 | document.getElementById("noVNC_send_ctrl_alt_del_button") | |
307 | .addEventListener('click', UI.sendCtrlAltDel); | |
308 | }, | |
309 | ||
310 | addMachineHandlers: function() { | |
311 | document.getElementById("noVNC_shutdown_button") | |
312 | .addEventListener('click', function() { UI.rfb.machineShutdown(); }); | |
313 | document.getElementById("noVNC_reboot_button") | |
314 | .addEventListener('click', function() { UI.rfb.machineReboot(); }); | |
315 | document.getElementById("noVNC_reset_button") | |
316 | .addEventListener('click', function() { UI.rfb.machineReset(); }); | |
317 | document.getElementById("noVNC_power_button") | |
318 | .addEventListener('click', UI.togglePowerPanel); | |
319 | }, | |
320 | ||
321 | addConnectionControlHandlers: function() { | |
322 | document.getElementById("noVNC_disconnect_button") | |
323 | .addEventListener('click', UI.disconnect); | |
324 | document.getElementById("noVNC_connect_button") | |
325 | .addEventListener('click', UI.connect); | |
326 | document.getElementById("noVNC_cancel_reconnect_button") | |
327 | .addEventListener('click', UI.cancelReconnect); | |
328 | ||
329 | document.getElementById("noVNC_password_button") | |
330 | .addEventListener('click', UI.setPassword); | |
331 | }, | |
332 | ||
333 | addClipboardHandlers: function() { | |
334 | document.getElementById("noVNC_clipboard_button") | |
335 | .addEventListener('click', UI.toggleClipboardPanel); | |
336 | document.getElementById("noVNC_clipboard_text") | |
337 | .addEventListener('change', UI.clipboardSend); | |
338 | document.getElementById("noVNC_clipboard_clear_button") | |
339 | .addEventListener('click', UI.clipboardClear); | |
340 | }, | |
341 | ||
342 | // Add a call to save settings when the element changes, | |
343 | // unless the optional parameter changeFunc is used instead. | |
344 | addSettingChangeHandler: function(name, changeFunc) { | |
345 | var settingElem = document.getElementById("noVNC_setting_" + name); | |
346 | if (changeFunc === undefined) { | |
347 | changeFunc = function () { UI.saveSetting(name); }; | |
348 | } | |
349 | settingElem.addEventListener('change', changeFunc); | |
350 | }, | |
351 | ||
352 | addSettingsHandlers: function() { | |
353 | document.getElementById("noVNC_settings_button") | |
354 | .addEventListener('click', UI.toggleSettingsPanel); | |
355 | ||
356 | UI.addSettingChangeHandler('encrypt'); | |
357 | UI.addSettingChangeHandler('resize'); | |
358 | UI.addSettingChangeHandler('resize', UI.enableDisableViewClip); | |
359 | UI.addSettingChangeHandler('resize', UI.applyResizeMode); | |
360 | UI.addSettingChangeHandler('view_clip'); | |
361 | UI.addSettingChangeHandler('view_clip', UI.updateViewClip); | |
362 | UI.addSettingChangeHandler('shared'); | |
363 | UI.addSettingChangeHandler('view_only'); | |
364 | UI.addSettingChangeHandler('view_only', UI.updateViewOnly); | |
365 | UI.addSettingChangeHandler('host'); | |
366 | UI.addSettingChangeHandler('port'); | |
367 | UI.addSettingChangeHandler('path'); | |
368 | UI.addSettingChangeHandler('repeaterID'); | |
369 | UI.addSettingChangeHandler('logging'); | |
370 | UI.addSettingChangeHandler('logging', UI.updateLogging); | |
371 | UI.addSettingChangeHandler('reconnect'); | |
372 | UI.addSettingChangeHandler('reconnect_delay'); | |
373 | }, | |
374 | ||
375 | addFullscreenHandlers: function() { | |
376 | document.getElementById("noVNC_fullscreen_button") | |
377 | .addEventListener('click', UI.toggleFullscreen); | |
378 | ||
379 | window.addEventListener('fullscreenchange', UI.updateFullscreenButton); | |
380 | window.addEventListener('mozfullscreenchange', UI.updateFullscreenButton); | |
381 | window.addEventListener('webkitfullscreenchange', UI.updateFullscreenButton); | |
382 | window.addEventListener('msfullscreenchange', UI.updateFullscreenButton); | |
383 | }, | |
384 | ||
385 | /* ------^------- | |
386 | * /EVENT HANDLERS | |
387 | * ============== | |
388 | * VISUAL | |
389 | * ------v------*/ | |
390 | ||
391 | // Disable/enable controls depending on connection state | |
392 | updateVisualState: function(state) { | |
393 | ||
394 | document.documentElement.classList.remove("noVNC_connecting"); | |
395 | document.documentElement.classList.remove("noVNC_connected"); | |
396 | document.documentElement.classList.remove("noVNC_disconnecting"); | |
397 | document.documentElement.classList.remove("noVNC_reconnecting"); | |
398 | ||
399 | let transition_elem = document.getElementById("noVNC_transition_text"); | |
400 | switch (state) { | |
401 | case 'init': | |
402 | break; | |
403 | case 'connecting': | |
404 | transition_elem.textContent = _("Connecting..."); | |
405 | document.documentElement.classList.add("noVNC_connecting"); | |
406 | break; | |
407 | case 'connected': | |
408 | document.documentElement.classList.add("noVNC_connected"); | |
409 | break; | |
410 | case 'disconnecting': | |
411 | transition_elem.textContent = _("Disconnecting..."); | |
412 | document.documentElement.classList.add("noVNC_disconnecting"); | |
413 | break; | |
414 | case 'disconnected': | |
415 | break; | |
416 | case 'reconnecting': | |
417 | transition_elem.textContent = _("Reconnecting..."); | |
418 | document.documentElement.classList.add("noVNC_reconnecting"); | |
419 | break; | |
420 | default: | |
421 | Log.Error("Invalid visual state: " + state); | |
422 | UI.showStatus(_("Internal error"), 'error'); | |
423 | return; | |
424 | } | |
425 | ||
426 | UI.enableDisableViewClip(); | |
427 | ||
428 | if (UI.connected) { | |
429 | UI.disableSetting('encrypt'); | |
430 | UI.disableSetting('shared'); | |
431 | UI.disableSetting('host'); | |
432 | UI.disableSetting('port'); | |
433 | UI.disableSetting('path'); | |
434 | UI.disableSetting('repeaterID'); | |
435 | UI.updateViewClip(); | |
436 | UI.setMouseButton(1); | |
437 | ||
438 | // Hide the controlbar after 2 seconds | |
439 | UI.closeControlbarTimeout = setTimeout(UI.closeControlbar, 2000); | |
440 | } else { | |
441 | UI.enableSetting('encrypt'); | |
442 | UI.enableSetting('shared'); | |
443 | UI.enableSetting('host'); | |
444 | UI.enableSetting('port'); | |
445 | UI.enableSetting('path'); | |
446 | UI.enableSetting('repeaterID'); | |
447 | UI.updatePowerButton(); | |
448 | UI.keepControlbar(); | |
449 | } | |
450 | ||
451 | // Hide input related buttons in view only mode | |
452 | if (UI.rfb && UI.rfb.viewOnly) { | |
453 | document.getElementById('noVNC_keyboard_button') | |
454 | .classList.add('noVNC_hidden'); | |
455 | document.getElementById('noVNC_toggle_extra_keys_button') | |
456 | .classList.add('noVNC_hidden'); | |
457 | } else { | |
458 | document.getElementById('noVNC_keyboard_button') | |
459 | .classList.remove('noVNC_hidden'); | |
460 | document.getElementById('noVNC_toggle_extra_keys_button') | |
461 | .classList.remove('noVNC_hidden'); | |
462 | } | |
463 | ||
464 | // State change disables viewport dragging. | |
465 | // It is enabled (toggled) by direct click on the button | |
466 | UI.setViewDrag(false); | |
467 | ||
468 | // State change also closes the password dialog | |
469 | document.getElementById('noVNC_password_dlg') | |
470 | .classList.remove('noVNC_open'); | |
471 | }, | |
472 | ||
473 | showStatus: function(text, status_type, time) { | |
474 | var statusElem = document.getElementById('noVNC_status'); | |
475 | ||
476 | clearTimeout(UI.statusTimeout); | |
477 | ||
478 | if (typeof status_type === 'undefined') { | |
479 | status_type = 'normal'; | |
480 | } | |
481 | ||
482 | // Don't overwrite more severe visible statuses and never | |
483 | // errors. Only shows the first error. | |
484 | let visible_status_type = 'none'; | |
485 | if (statusElem.classList.contains("noVNC_open")) { | |
486 | if (statusElem.classList.contains("noVNC_status_error")) { | |
487 | visible_status_type = 'error'; | |
488 | } else if (statusElem.classList.contains("noVNC_status_warn")) { | |
489 | visible_status_type = 'warn'; | |
490 | } else { | |
491 | visible_status_type = 'normal'; | |
492 | } | |
493 | } | |
494 | if (visible_status_type === 'error' || | |
495 | (visible_status_type === 'warn' && status_type === 'normal')) { | |
496 | return; | |
497 | } | |
498 | ||
499 | switch (status_type) { | |
500 | case 'error': | |
501 | statusElem.classList.remove("noVNC_status_warn"); | |
502 | statusElem.classList.remove("noVNC_status_normal"); | |
503 | statusElem.classList.add("noVNC_status_error"); | |
504 | break; | |
505 | case 'warning': | |
506 | case 'warn': | |
507 | statusElem.classList.remove("noVNC_status_error"); | |
508 | statusElem.classList.remove("noVNC_status_normal"); | |
509 | statusElem.classList.add("noVNC_status_warn"); | |
510 | break; | |
511 | case 'normal': | |
512 | case 'info': | |
513 | default: | |
514 | statusElem.classList.remove("noVNC_status_error"); | |
515 | statusElem.classList.remove("noVNC_status_warn"); | |
516 | statusElem.classList.add("noVNC_status_normal"); | |
517 | break; | |
518 | } | |
519 | ||
520 | statusElem.textContent = text; | |
521 | statusElem.classList.add("noVNC_open"); | |
522 | ||
523 | // If no time was specified, show the status for 1.5 seconds | |
524 | if (typeof time === 'undefined') { | |
525 | time = 1500; | |
526 | } | |
527 | ||
528 | // Error messages do not timeout | |
529 | if (status_type !== 'error') { | |
530 | UI.statusTimeout = window.setTimeout(UI.hideStatus, time); | |
531 | } | |
532 | }, | |
533 | ||
534 | hideStatus: function() { | |
535 | clearTimeout(UI.statusTimeout); | |
536 | document.getElementById('noVNC_status').classList.remove("noVNC_open"); | |
537 | }, | |
538 | ||
539 | activateControlbar: function(event) { | |
540 | clearTimeout(UI.idleControlbarTimeout); | |
541 | // We manipulate the anchor instead of the actual control | |
542 | // bar in order to avoid creating new a stacking group | |
543 | document.getElementById('noVNC_control_bar_anchor') | |
544 | .classList.remove("noVNC_idle"); | |
545 | UI.idleControlbarTimeout = window.setTimeout(UI.idleControlbar, 2000); | |
546 | }, | |
547 | ||
548 | idleControlbar: function() { | |
549 | document.getElementById('noVNC_control_bar_anchor') | |
550 | .classList.add("noVNC_idle"); | |
551 | }, | |
552 | ||
553 | keepControlbar: function() { | |
554 | clearTimeout(UI.closeControlbarTimeout); | |
555 | }, | |
556 | ||
557 | openControlbar: function() { | |
558 | document.getElementById('noVNC_control_bar') | |
559 | .classList.add("noVNC_open"); | |
560 | }, | |
561 | ||
562 | closeControlbar: function() { | |
563 | UI.closeAllPanels(); | |
564 | document.getElementById('noVNC_control_bar') | |
565 | .classList.remove("noVNC_open"); | |
566 | }, | |
567 | ||
568 | toggleControlbar: function() { | |
569 | if (document.getElementById('noVNC_control_bar') | |
570 | .classList.contains("noVNC_open")) { | |
571 | UI.closeControlbar(); | |
572 | } else { | |
573 | UI.openControlbar(); | |
574 | } | |
575 | }, | |
576 | ||
577 | toggleControlbarSide: function () { | |
578 | // Temporarily disable animation to avoid weird movement | |
579 | var bar = document.getElementById('noVNC_control_bar'); | |
580 | bar.style.transitionDuration = '0s'; | |
581 | bar.addEventListener('transitionend', function () { this.style.transitionDuration = ""; }); | |
582 | ||
583 | var anchor = document.getElementById('noVNC_control_bar_anchor'); | |
584 | if (anchor.classList.contains("noVNC_right")) { | |
585 | WebUtil.writeSetting('controlbar_pos', 'left'); | |
586 | anchor.classList.remove("noVNC_right"); | |
587 | } else { | |
588 | WebUtil.writeSetting('controlbar_pos', 'right'); | |
589 | anchor.classList.add("noVNC_right"); | |
590 | } | |
591 | ||
592 | // Consider this a movement of the handle | |
593 | UI.controlbarDrag = true; | |
594 | }, | |
595 | ||
596 | showControlbarHint: function (show) { | |
597 | var hint = document.getElementById('noVNC_control_bar_hint'); | |
598 | if (show) { | |
599 | hint.classList.add("noVNC_active"); | |
600 | } else { | |
601 | hint.classList.remove("noVNC_active"); | |
602 | } | |
603 | }, | |
604 | ||
605 | dragControlbarHandle: function (e) { | |
606 | if (!UI.controlbarGrabbed) return; | |
607 | ||
608 | var ptr = getPointerEvent(e); | |
609 | ||
610 | var anchor = document.getElementById('noVNC_control_bar_anchor'); | |
611 | if (ptr.clientX < (window.innerWidth * 0.1)) { | |
612 | if (anchor.classList.contains("noVNC_right")) { | |
613 | UI.toggleControlbarSide(); | |
614 | } | |
615 | } else if (ptr.clientX > (window.innerWidth * 0.9)) { | |
616 | if (!anchor.classList.contains("noVNC_right")) { | |
617 | UI.toggleControlbarSide(); | |
618 | } | |
619 | } | |
620 | ||
621 | if (!UI.controlbarDrag) { | |
622 | // The goal is to trigger on a certain physical width, the | |
623 | // devicePixelRatio brings us a bit closer but is not optimal. | |
624 | var dragThreshold = 10 * (window.devicePixelRatio || 1); | |
625 | var dragDistance = Math.abs(ptr.clientY - UI.controlbarMouseDownClientY); | |
626 | ||
627 | if (dragDistance < dragThreshold) return; | |
628 | ||
629 | UI.controlbarDrag = true; | |
630 | } | |
631 | ||
632 | var eventY = ptr.clientY - UI.controlbarMouseDownOffsetY; | |
633 | ||
634 | UI.moveControlbarHandle(eventY); | |
635 | ||
636 | e.preventDefault(); | |
637 | e.stopPropagation(); | |
638 | UI.keepControlbar(); | |
639 | UI.activateControlbar(); | |
640 | }, | |
641 | ||
642 | // Move the handle but don't allow any position outside the bounds | |
643 | moveControlbarHandle: function (viewportRelativeY) { | |
644 | var handle = document.getElementById("noVNC_control_bar_handle"); | |
645 | var handleHeight = handle.getBoundingClientRect().height; | |
646 | var controlbarBounds = document.getElementById("noVNC_control_bar") | |
647 | .getBoundingClientRect(); | |
648 | var margin = 10; | |
649 | ||
650 | // These heights need to be non-zero for the below logic to work | |
651 | if (handleHeight === 0 || controlbarBounds.height === 0) { | |
652 | return; | |
653 | } | |
654 | ||
655 | var newY = viewportRelativeY; | |
656 | ||
657 | // Check if the coordinates are outside the control bar | |
658 | if (newY < controlbarBounds.top + margin) { | |
659 | // Force coordinates to be below the top of the control bar | |
660 | newY = controlbarBounds.top + margin; | |
661 | ||
662 | } else if (newY > controlbarBounds.top + | |
663 | controlbarBounds.height - handleHeight - margin) { | |
664 | // Force coordinates to be above the bottom of the control bar | |
665 | newY = controlbarBounds.top + | |
666 | controlbarBounds.height - handleHeight - margin; | |
667 | } | |
668 | ||
669 | // Corner case: control bar too small for stable position | |
670 | if (controlbarBounds.height < (handleHeight + margin * 2)) { | |
671 | newY = controlbarBounds.top + | |
672 | (controlbarBounds.height - handleHeight) / 2; | |
673 | } | |
674 | ||
675 | // The transform needs coordinates that are relative to the parent | |
676 | var parentRelativeY = newY - controlbarBounds.top; | |
677 | handle.style.transform = "translateY(" + parentRelativeY + "px)"; | |
678 | }, | |
679 | ||
680 | updateControlbarHandle: function () { | |
681 | // Since the control bar is fixed on the viewport and not the page, | |
682 | // the move function expects coordinates relative the the viewport. | |
683 | var handle = document.getElementById("noVNC_control_bar_handle"); | |
684 | var handleBounds = handle.getBoundingClientRect(); | |
685 | UI.moveControlbarHandle(handleBounds.top); | |
686 | }, | |
687 | ||
688 | controlbarHandleMouseUp: function(e) { | |
689 | if ((e.type == "mouseup") && (e.button != 0)) return; | |
690 | ||
691 | // mouseup and mousedown on the same place toggles the controlbar | |
692 | if (UI.controlbarGrabbed && !UI.controlbarDrag) { | |
693 | UI.toggleControlbar(); | |
694 | e.preventDefault(); | |
695 | e.stopPropagation(); | |
696 | UI.keepControlbar(); | |
697 | UI.activateControlbar(); | |
698 | } | |
699 | UI.controlbarGrabbed = false; | |
700 | UI.showControlbarHint(false); | |
701 | }, | |
702 | ||
703 | controlbarHandleMouseDown: function(e) { | |
704 | if ((e.type == "mousedown") && (e.button != 0)) return; | |
705 | ||
706 | var ptr = getPointerEvent(e); | |
707 | ||
708 | var handle = document.getElementById("noVNC_control_bar_handle"); | |
709 | var bounds = handle.getBoundingClientRect(); | |
710 | ||
711 | // Touch events have implicit capture | |
712 | if (e.type === "mousedown") { | |
713 | setCapture(handle); | |
714 | } | |
715 | ||
716 | UI.controlbarGrabbed = true; | |
717 | UI.controlbarDrag = false; | |
718 | ||
719 | UI.showControlbarHint(true); | |
720 | ||
721 | UI.controlbarMouseDownClientY = ptr.clientY; | |
722 | UI.controlbarMouseDownOffsetY = ptr.clientY - bounds.top; | |
723 | e.preventDefault(); | |
724 | e.stopPropagation(); | |
725 | UI.keepControlbar(); | |
726 | UI.activateControlbar(); | |
727 | }, | |
728 | ||
729 | toggleExpander: function(e) { | |
730 | if (this.classList.contains("noVNC_open")) { | |
731 | this.classList.remove("noVNC_open"); | |
732 | } else { | |
733 | this.classList.add("noVNC_open"); | |
734 | } | |
735 | }, | |
736 | ||
737 | /* ------^------- | |
738 | * /VISUAL | |
739 | * ============== | |
740 | * SETTINGS | |
741 | * ------v------*/ | |
742 | ||
743 | // Initial page load read/initialization of settings | |
744 | initSetting: function(name, defVal) { | |
745 | // Check Query string followed by cookie | |
746 | var val = WebUtil.getConfigVar(name); | |
747 | if (val === null) { | |
748 | val = WebUtil.readSetting(name, defVal); | |
749 | } | |
750 | UI.updateSetting(name, val); | |
751 | return val; | |
752 | }, | |
753 | ||
754 | // Update cookie and form control setting. If value is not set, then | |
755 | // updates from control to current cookie setting. | |
756 | updateSetting: function(name, value) { | |
757 | ||
758 | // Save the cookie for this session | |
759 | if (typeof value !== 'undefined') { | |
760 | WebUtil.writeSetting(name, value); | |
761 | } | |
762 | ||
763 | // Update the settings control | |
764 | value = UI.getSetting(name); | |
765 | ||
766 | var ctrl = document.getElementById('noVNC_setting_' + name); | |
767 | if (ctrl.type === 'checkbox') { | |
768 | ctrl.checked = value; | |
769 | ||
770 | } else if (typeof ctrl.options !== 'undefined') { | |
771 | for (var i = 0; i < ctrl.options.length; i += 1) { | |
772 | if (ctrl.options[i].value === value) { | |
773 | ctrl.selectedIndex = i; | |
774 | break; | |
775 | } | |
776 | } | |
777 | } else { | |
778 | /*Weird IE9 error leads to 'null' appearring | |
779 | in textboxes instead of ''.*/ | |
780 | if (value === null) { | |
781 | value = ""; | |
782 | } | |
783 | ctrl.value = value; | |
784 | } | |
785 | }, | |
786 | ||
787 | // Save control setting to cookie | |
788 | saveSetting: function(name) { | |
789 | var val, ctrl = document.getElementById('noVNC_setting_' + name); | |
790 | if (ctrl.type === 'checkbox') { | |
791 | val = ctrl.checked; | |
792 | } else if (typeof ctrl.options !== 'undefined') { | |
793 | val = ctrl.options[ctrl.selectedIndex].value; | |
794 | } else { | |
795 | val = ctrl.value; | |
796 | } | |
797 | WebUtil.writeSetting(name, val); | |
798 | //Log.Debug("Setting saved '" + name + "=" + val + "'"); | |
799 | return val; | |
800 | }, | |
801 | ||
802 | // Read form control compatible setting from cookie | |
803 | getSetting: function(name) { | |
804 | var ctrl = document.getElementById('noVNC_setting_' + name); | |
805 | var val = WebUtil.readSetting(name); | |
806 | if (typeof val !== 'undefined' && val !== null && ctrl.type === 'checkbox') { | |
807 | if (val.toString().toLowerCase() in {'0':1, 'no':1, 'false':1}) { | |
808 | val = false; | |
809 | } else { | |
810 | val = true; | |
811 | } | |
812 | } | |
813 | return val; | |
814 | }, | |
815 | ||
816 | // These helpers compensate for the lack of parent-selectors and | |
817 | // previous-sibling-selectors in CSS which are needed when we want to | |
818 | // disable the labels that belong to disabled input elements. | |
819 | disableSetting: function(name) { | |
820 | var ctrl = document.getElementById('noVNC_setting_' + name); | |
821 | ctrl.disabled = true; | |
822 | ctrl.label.classList.add('noVNC_disabled'); | |
823 | }, | |
824 | ||
825 | enableSetting: function(name) { | |
826 | var ctrl = document.getElementById('noVNC_setting_' + name); | |
827 | ctrl.disabled = false; | |
828 | ctrl.label.classList.remove('noVNC_disabled'); | |
829 | }, | |
830 | ||
831 | /* ------^------- | |
832 | * /SETTINGS | |
833 | * ============== | |
834 | * PANELS | |
835 | * ------v------*/ | |
836 | ||
837 | closeAllPanels: function() { | |
838 | UI.closeSettingsPanel(); | |
839 | UI.closePowerPanel(); | |
840 | UI.closeClipboardPanel(); | |
841 | UI.closeExtraKeys(); | |
842 | }, | |
843 | ||
844 | /* ------^------- | |
845 | * /PANELS | |
846 | * ============== | |
847 | * SETTINGS (panel) | |
848 | * ------v------*/ | |
849 | ||
850 | openSettingsPanel: function() { | |
851 | UI.closeAllPanels(); | |
852 | UI.openControlbar(); | |
853 | ||
854 | // Refresh UI elements from saved cookies | |
855 | UI.updateSetting('encrypt'); | |
856 | UI.updateSetting('view_clip'); | |
857 | UI.updateSetting('resize'); | |
858 | UI.updateSetting('shared'); | |
859 | UI.updateSetting('view_only'); | |
860 | UI.updateSetting('path'); | |
861 | UI.updateSetting('repeaterID'); | |
862 | UI.updateSetting('logging'); | |
863 | UI.updateSetting('reconnect'); | |
864 | UI.updateSetting('reconnect_delay'); | |
865 | ||
866 | document.getElementById('noVNC_settings') | |
867 | .classList.add("noVNC_open"); | |
868 | document.getElementById('noVNC_settings_button') | |
869 | .classList.add("noVNC_selected"); | |
870 | }, | |
871 | ||
872 | closeSettingsPanel: function() { | |
873 | document.getElementById('noVNC_settings') | |
874 | .classList.remove("noVNC_open"); | |
875 | document.getElementById('noVNC_settings_button') | |
876 | .classList.remove("noVNC_selected"); | |
877 | }, | |
878 | ||
879 | toggleSettingsPanel: function() { | |
880 | if (document.getElementById('noVNC_settings') | |
881 | .classList.contains("noVNC_open")) { | |
882 | UI.closeSettingsPanel(); | |
883 | } else { | |
884 | UI.openSettingsPanel(); | |
885 | } | |
886 | }, | |
887 | ||
888 | /* ------^------- | |
889 | * /SETTINGS | |
890 | * ============== | |
891 | * POWER | |
892 | * ------v------*/ | |
893 | ||
894 | openPowerPanel: function() { | |
895 | UI.closeAllPanels(); | |
896 | UI.openControlbar(); | |
897 | ||
898 | document.getElementById('noVNC_power') | |
899 | .classList.add("noVNC_open"); | |
900 | document.getElementById('noVNC_power_button') | |
901 | .classList.add("noVNC_selected"); | |
902 | }, | |
903 | ||
904 | closePowerPanel: function() { | |
905 | document.getElementById('noVNC_power') | |
906 | .classList.remove("noVNC_open"); | |
907 | document.getElementById('noVNC_power_button') | |
908 | .classList.remove("noVNC_selected"); | |
909 | }, | |
910 | ||
911 | togglePowerPanel: function() { | |
912 | if (document.getElementById('noVNC_power') | |
913 | .classList.contains("noVNC_open")) { | |
914 | UI.closePowerPanel(); | |
915 | } else { | |
916 | UI.openPowerPanel(); | |
917 | } | |
918 | }, | |
919 | ||
920 | // Disable/enable power button | |
921 | updatePowerButton: function() { | |
922 | if (UI.connected && | |
923 | UI.rfb.capabilities.power && | |
924 | !UI.rfb.viewOnly) { | |
925 | document.getElementById('noVNC_power_button') | |
926 | .classList.remove("noVNC_hidden"); | |
927 | } else { | |
928 | document.getElementById('noVNC_power_button') | |
929 | .classList.add("noVNC_hidden"); | |
930 | // Close power panel if open | |
931 | UI.closePowerPanel(); | |
932 | } | |
933 | }, | |
934 | ||
935 | /* ------^------- | |
936 | * /POWER | |
937 | * ============== | |
938 | * CLIPBOARD | |
939 | * ------v------*/ | |
940 | ||
941 | openClipboardPanel: function() { | |
942 | UI.closeAllPanels(); | |
943 | UI.openControlbar(); | |
944 | ||
945 | document.getElementById('noVNC_clipboard') | |
946 | .classList.add("noVNC_open"); | |
947 | document.getElementById('noVNC_clipboard_button') | |
948 | .classList.add("noVNC_selected"); | |
949 | }, | |
950 | ||
951 | closeClipboardPanel: function() { | |
952 | document.getElementById('noVNC_clipboard') | |
953 | .classList.remove("noVNC_open"); | |
954 | document.getElementById('noVNC_clipboard_button') | |
955 | .classList.remove("noVNC_selected"); | |
956 | }, | |
957 | ||
958 | toggleClipboardPanel: function() { | |
959 | if (document.getElementById('noVNC_clipboard') | |
960 | .classList.contains("noVNC_open")) { | |
961 | UI.closeClipboardPanel(); | |
962 | } else { | |
963 | UI.openClipboardPanel(); | |
964 | } | |
965 | }, | |
966 | ||
967 | clipboardReceive: function(e) { | |
968 | Log.Debug(">> UI.clipboardReceive: " + e.detail.text.substr(0,40) + "..."); | |
969 | document.getElementById('noVNC_clipboard_text').value = e.detail.text; | |
970 | Log.Debug("<< UI.clipboardReceive"); | |
971 | }, | |
972 | ||
973 | clipboardClear: function() { | |
974 | document.getElementById('noVNC_clipboard_text').value = ""; | |
975 | UI.rfb.clipboardPasteFrom(""); | |
976 | }, | |
977 | ||
978 | clipboardSend: function() { | |
979 | var text = document.getElementById('noVNC_clipboard_text').value; | |
980 | Log.Debug(">> UI.clipboardSend: " + text.substr(0,40) + "..."); | |
981 | UI.rfb.clipboardPasteFrom(text); | |
982 | Log.Debug("<< UI.clipboardSend"); | |
983 | }, | |
984 | ||
985 | /* ------^------- | |
986 | * /CLIPBOARD | |
987 | * ============== | |
988 | * CONNECTION | |
989 | * ------v------*/ | |
990 | ||
991 | openConnectPanel: function() { | |
992 | document.getElementById('noVNC_connect_dlg') | |
993 | .classList.add("noVNC_open"); | |
994 | }, | |
995 | ||
996 | closeConnectPanel: function() { | |
997 | document.getElementById('noVNC_connect_dlg') | |
998 | .classList.remove("noVNC_open"); | |
999 | }, | |
1000 | ||
1001 | connect: function(event, password) { | |
1002 | var host = UI.getSetting('host'); | |
1003 | var port = UI.getSetting('port'); | |
1004 | var path = UI.getSetting('path'); | |
1005 | ||
1006 | if (typeof password === 'undefined') { | |
1007 | password = WebUtil.getConfigVar('password'); | |
1008 | UI.reconnect_password = password; | |
1009 | } | |
1010 | ||
1011 | if (password === null) { | |
1012 | password = undefined; | |
1013 | } | |
1014 | ||
1015 | UI.hideStatus(); | |
1016 | ||
1017 | if (!host) { | |
1018 | Log.Error("Can't connect when host is: " + host); | |
1019 | UI.showStatus(_("Must set host"), 'error'); | |
1020 | return; | |
1021 | } | |
1022 | ||
1023 | UI.closeAllPanels(); | |
1024 | UI.closeConnectPanel(); | |
1025 | ||
1026 | UI.updateVisualState('connecting'); | |
1027 | ||
1028 | UI.updateViewOnly(); | |
1029 | ||
1030 | var url; | |
1031 | ||
1032 | url = UI.getSetting('encrypt') ? 'wss' : 'ws'; | |
1033 | ||
1034 | url += '://' + host; | |
1035 | if(port) { | |
1036 | url += ':' + port; | |
1037 | } | |
1038 | url += '/' + path; | |
1039 | ||
1040 | UI.rfb = new RFB(document.getElementById('noVNC_canvas'), url, | |
1041 | { shared: UI.getSetting('shared'), | |
1042 | repeaterID: UI.getSetting('repeaterID'), | |
1043 | credentials: { password: password } }); | |
1044 | UI.rfb.addEventListener("connect", UI.connectFinished); | |
1045 | UI.rfb.addEventListener("disconnect", UI.disconnectFinished); | |
1046 | UI.rfb.addEventListener("credentialsrequired", UI.credentials); | |
1047 | UI.rfb.addEventListener("securityfailure", UI.securityFailed); | |
1048 | UI.rfb.addEventListener("capabilities", function () { UI.updatePowerButton(); UI.initialResize(); }); | |
1049 | UI.rfb.addEventListener("clipboard", UI.clipboardReceive); | |
1050 | UI.rfb.addEventListener("bell", UI.bell); | |
1051 | UI.rfb.addEventListener("fbresize", UI.updateSessionSize); | |
1052 | UI.rfb.addEventListener("desktopname", UI.updateDesktopName); | |
1053 | }, | |
1054 | ||
1055 | disconnect: function() { | |
1056 | UI.closeAllPanels(); | |
1057 | UI.rfb.disconnect(); | |
1058 | ||
1059 | UI.connected = false; | |
1060 | ||
1061 | // Disable automatic reconnecting | |
1062 | UI.inhibit_reconnect = true; | |
1063 | ||
1064 | UI.updateVisualState('disconnecting'); | |
1065 | ||
1066 | // Don't display the connection settings until we're actually disconnected | |
1067 | }, | |
1068 | ||
1069 | reconnect: function() { | |
1070 | UI.reconnect_callback = null; | |
1071 | ||
1072 | // if reconnect has been disabled in the meantime, do nothing. | |
1073 | if (UI.inhibit_reconnect) { | |
1074 | return; | |
1075 | } | |
1076 | ||
1077 | UI.connect(null, UI.reconnect_password); | |
1078 | }, | |
1079 | ||
1080 | cancelReconnect: function() { | |
1081 | if (UI.reconnect_callback !== null) { | |
1082 | clearTimeout(UI.reconnect_callback); | |
1083 | UI.reconnect_callback = null; | |
1084 | } | |
1085 | ||
1086 | UI.updateVisualState('disconnected'); | |
1087 | ||
1088 | UI.openControlbar(); | |
1089 | UI.openConnectPanel(); | |
1090 | }, | |
1091 | ||
1092 | connectFinished: function (e) { | |
1093 | UI.connected = true; | |
1094 | UI.inhibit_reconnect = false; | |
1095 | UI.doneInitialResize = false; | |
1096 | ||
1097 | let msg; | |
1098 | if (UI.getSetting('encrypt')) { | |
1099 | msg = _("Connected (encrypted) to ") + UI.desktopName; | |
1100 | } else { | |
1101 | msg = _("Connected (unencrypted) to ") + UI.desktopName; | |
1102 | } | |
1103 | UI.showStatus(msg); | |
1104 | UI.updateVisualState('connected'); | |
1105 | ||
1106 | // Do this last because it can only be used on rendered elements | |
1107 | document.getElementById('noVNC_canvas').focus(); | |
1108 | }, | |
1109 | ||
1110 | disconnectFinished: function (e) { | |
1111 | // This variable is ideally set when disconnection starts, but | |
1112 | // when the disconnection isn't clean or if it is initiated by | |
1113 | // the server, we need to do it here as well since | |
1114 | // UI.disconnect() won't be used in those cases. | |
1115 | UI.connected = false; | |
1116 | ||
1117 | if (!e.detail.clean) { | |
1118 | UI.updateVisualState('disconnected'); | |
1119 | UI.showStatus(_("Something went wrong, connection is closed"), | |
1120 | 'error'); | |
1121 | } else if (UI.getSetting('reconnect', false) === true && !UI.inhibit_reconnect) { | |
1122 | UI.updateVisualState('reconnecting'); | |
1123 | ||
1124 | var delay = parseInt(UI.getSetting('reconnect_delay')); | |
1125 | UI.reconnect_callback = setTimeout(UI.reconnect, delay); | |
1126 | return; | |
1127 | } else { | |
1128 | UI.updateVisualState('disconnected'); | |
1129 | UI.showStatus(_("Disconnected"), 'normal'); | |
1130 | } | |
1131 | ||
1132 | UI.openControlbar(); | |
1133 | UI.openConnectPanel(); | |
1134 | }, | |
1135 | ||
1136 | securityFailed: function (e) { | |
1137 | let msg = ""; | |
1138 | // On security failures we might get a string with a reason | |
1139 | // directly from the server. Note that we can't control if | |
1140 | // this string is translated or not. | |
1141 | if ('reason' in e.detail) { | |
1142 | msg = _("New connection has been rejected with reason: ") + | |
1143 | e.detail.reason; | |
1144 | } else { | |
1145 | msg = _("New connection has been rejected"); | |
1146 | } | |
1147 | UI.showStatus(msg, 'error'); | |
1148 | }, | |
1149 | ||
1150 | /* ------^------- | |
1151 | * /CONNECTION | |
1152 | * ============== | |
1153 | * PASSWORD | |
1154 | * ------v------*/ | |
1155 | ||
1156 | credentials: function(e) { | |
1157 | // FIXME: handle more types | |
1158 | document.getElementById('noVNC_password_dlg') | |
1159 | .classList.add('noVNC_open'); | |
1160 | ||
1161 | setTimeout(function () { | |
1162 | document.getElementById('noVNC_password_input').focus(); | |
1163 | }, 100); | |
1164 | ||
1165 | Log.Warn("Server asked for a password"); | |
1166 | UI.showStatus(_("Password is required"), "warning"); | |
1167 | }, | |
1168 | ||
1169 | setPassword: function(e) { | |
1170 | // Prevent actually submitting the form | |
1171 | e.preventDefault(); | |
1172 | ||
1173 | var inputElem = document.getElementById('noVNC_password_input'); | |
1174 | var password = inputElem.value; | |
1175 | // Clear the input after reading the password | |
1176 | inputElem.value = ""; | |
1177 | UI.rfb.sendCredentials({ password: password }); | |
1178 | UI.reconnect_password = password; | |
1179 | document.getElementById('noVNC_password_dlg') | |
1180 | .classList.remove('noVNC_open'); | |
1181 | }, | |
1182 | ||
1183 | /* ------^------- | |
1184 | * /PASSWORD | |
1185 | * ============== | |
1186 | * FULLSCREEN | |
1187 | * ------v------*/ | |
1188 | ||
1189 | toggleFullscreen: function() { | |
1190 | if (document.fullscreenElement || // alternative standard method | |
1191 | document.mozFullScreenElement || // currently working methods | |
1192 | document.webkitFullscreenElement || | |
1193 | document.msFullscreenElement) { | |
1194 | if (document.exitFullscreen) { | |
1195 | document.exitFullscreen(); | |
1196 | } else if (document.mozCancelFullScreen) { | |
1197 | document.mozCancelFullScreen(); | |
1198 | } else if (document.webkitExitFullscreen) { | |
1199 | document.webkitExitFullscreen(); | |
1200 | } else if (document.msExitFullscreen) { | |
1201 | document.msExitFullscreen(); | |
1202 | } | |
1203 | } else { | |
1204 | if (document.documentElement.requestFullscreen) { | |
1205 | document.documentElement.requestFullscreen(); | |
1206 | } else if (document.documentElement.mozRequestFullScreen) { | |
1207 | document.documentElement.mozRequestFullScreen(); | |
1208 | } else if (document.documentElement.webkitRequestFullscreen) { | |
1209 | document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT); | |
1210 | } else if (document.body.msRequestFullscreen) { | |
1211 | document.body.msRequestFullscreen(); | |
1212 | } | |
1213 | } | |
1214 | UI.enableDisableViewClip(); | |
1215 | UI.updateFullscreenButton(); | |
1216 | }, | |
1217 | ||
1218 | updateFullscreenButton: function() { | |
1219 | if (document.fullscreenElement || // alternative standard method | |
1220 | document.mozFullScreenElement || // currently working methods | |
1221 | document.webkitFullscreenElement || | |
1222 | document.msFullscreenElement ) { | |
1223 | document.getElementById('noVNC_fullscreen_button') | |
1224 | .classList.add("noVNC_selected"); | |
1225 | } else { | |
1226 | document.getElementById('noVNC_fullscreen_button') | |
1227 | .classList.remove("noVNC_selected"); | |
1228 | } | |
1229 | }, | |
1230 | ||
1231 | /* ------^------- | |
1232 | * /FULLSCREEN | |
1233 | * ============== | |
1234 | * RESIZE | |
1235 | * ------v------*/ | |
1236 | ||
1237 | // Apply remote resizing or local scaling | |
1238 | applyResizeMode: function() { | |
1239 | if (!UI.rfb) return; | |
1240 | ||
1241 | var screen = UI.screenSize(); | |
1242 | ||
1243 | if (screen && UI.connected) { | |
1244 | ||
1245 | var resizeMode = UI.getSetting('resize'); | |
1246 | UI.rfb.viewportScale = 1.0; | |
1247 | ||
1248 | // Make sure the viewport is adjusted first | |
1249 | UI.updateViewClip(); | |
1250 | ||
1251 | if (resizeMode === 'remote') { | |
1252 | ||
1253 | // Request changing the resolution of the remote display to | |
1254 | // the size of the local browser viewport. | |
1255 | ||
1256 | // In order to not send multiple requests before the browser-resize | |
1257 | // is finished we wait 0.5 seconds before sending the request. | |
1258 | clearTimeout(UI.resizeTimeout); | |
1259 | UI.resizeTimeout = setTimeout(function(){ | |
1260 | // Request a remote size covering the viewport | |
1261 | if (UI.rfb.requestDesktopSize(screen.w, screen.h)) { | |
1262 | Log.Debug('Requested new desktop size: ' + | |
1263 | screen.w + 'x' + screen.h); | |
1264 | } | |
1265 | }, 500); | |
1266 | ||
1267 | } else { | |
1268 | UI.updateScaling(); | |
1269 | } | |
1270 | } | |
1271 | }, | |
1272 | ||
1273 | // Re-calculate local scaling | |
1274 | updateScaling: function() { | |
1275 | if (!UI.rfb) return; | |
1276 | ||
1277 | var resizeMode = UI.getSetting('resize'); | |
1278 | if (resizeMode !== 'scale') { | |
1279 | return; | |
1280 | } | |
1281 | ||
1282 | var screen = UI.screenSize(); | |
1283 | ||
1284 | if (!screen || !UI.connected) { | |
1285 | return; | |
1286 | } | |
1287 | ||
1288 | UI.rfb.autoscale(screen.w, screen.h); | |
1289 | UI.fixScrollbars(); | |
1290 | }, | |
1291 | ||
1292 | // Gets the the size of the available viewport in the browser window | |
1293 | screenSize: function() { | |
1294 | var screen = document.getElementById('noVNC_screen'); | |
1295 | return {w: screen.offsetWidth, h: screen.offsetHeight}; | |
1296 | }, | |
1297 | ||
1298 | // Normally we only apply the current resize mode after a window resize | |
1299 | // event. This means that when a new connection is opened, there is no | |
1300 | // resize mode active. | |
1301 | // We have to wait until we know the capabilities of the server as | |
1302 | // some calls later in the chain is dependant on knowing the | |
1303 | // server-capabilities. | |
1304 | initialResize: function() { | |
1305 | if (UI.doneInitialResize) return; | |
1306 | ||
1307 | UI.applyResizeMode(); | |
1308 | UI.doneInitialResize = true; | |
1309 | }, | |
1310 | ||
1311 | /* ------^------- | |
1312 | * /RESIZE | |
1313 | * ============== | |
1314 | * VIEW CLIPPING | |
1315 | * ------v------*/ | |
1316 | ||
1317 | // Set and configure viewport clipping | |
1318 | setViewClip: function(clip) { | |
1319 | UI.updateSetting('view_clip', clip); | |
1320 | UI.updateViewClip(); | |
1321 | }, | |
1322 | ||
1323 | // Update parameters that depend on the viewport clip setting | |
1324 | updateViewClip: function() { | |
1325 | if (!UI.rfb) return; | |
1326 | ||
1327 | var cur_clip = UI.rfb.clipViewport; | |
1328 | var new_clip = UI.getSetting('view_clip'); | |
1329 | ||
1330 | var resizeSetting = UI.getSetting('resize'); | |
1331 | if (resizeSetting === 'scale') { | |
1332 | // Disable viewport clipping if we are scaling | |
1333 | new_clip = false; | |
1334 | } else if (isTouchDevice) { | |
1335 | // Touch devices usually have shit scrollbars | |
1336 | new_clip = true; | |
1337 | } | |
1338 | ||
1339 | if (cur_clip !== new_clip) { | |
1340 | UI.rfb.clipViewport = new_clip; | |
1341 | } | |
1342 | ||
1343 | var size = UI.screenSize(); | |
1344 | ||
1345 | if (new_clip && size) { | |
1346 | // When clipping is enabled, the screen is limited to | |
1347 | // the size of the browser window. | |
1348 | UI.rfb.viewportChangeSize(size.w, size.h); | |
1349 | UI.fixScrollbars(); | |
1350 | } | |
1351 | ||
1352 | // Changing the viewport may change the state of | |
1353 | // the dragging button | |
1354 | UI.updateViewDrag(); | |
1355 | }, | |
1356 | ||
1357 | // Handle special cases where viewport clipping is forced on/off or locked | |
1358 | enableDisableViewClip: function() { | |
1359 | var resizeSetting = UI.getSetting('resize'); | |
1360 | // Disable clipping if we are scaling, connected or on touch | |
1361 | if (resizeSetting === 'scale' || | |
1362 | isTouchDevice) { | |
1363 | UI.disableSetting('view_clip'); | |
1364 | } else { | |
1365 | UI.enableSetting('view_clip'); | |
1366 | } | |
1367 | }, | |
1368 | ||
1369 | /* ------^------- | |
1370 | * /VIEW CLIPPING | |
1371 | * ============== | |
1372 | * VIEWDRAG | |
1373 | * ------v------*/ | |
1374 | ||
1375 | toggleViewDrag: function() { | |
1376 | if (!UI.rfb) return; | |
1377 | ||
1378 | var drag = UI.rfb.dragViewport; | |
1379 | UI.setViewDrag(!drag); | |
1380 | }, | |
1381 | ||
1382 | // Set the view drag mode which moves the viewport on mouse drags | |
1383 | setViewDrag: function(drag) { | |
1384 | if (!UI.rfb) return; | |
1385 | ||
1386 | UI.rfb.dragViewport = drag; | |
1387 | ||
1388 | UI.updateViewDrag(); | |
1389 | }, | |
1390 | ||
1391 | updateViewDrag: function() { | |
1392 | var clipping = false; | |
1393 | ||
1394 | if (!UI.connected) return; | |
1395 | ||
1396 | // Check if viewport drag is possible. It is only possible | |
1397 | // if the remote display is clipping the client display. | |
1398 | if (UI.rfb.clipViewport && UI.rfb.isClipped) { | |
1399 | clipping = true; | |
1400 | } | |
1401 | ||
1402 | var viewDragButton = document.getElementById('noVNC_view_drag_button'); | |
1403 | ||
1404 | if (!clipping && | |
1405 | UI.rfb.dragViewport) { | |
1406 | // The size of the remote display is the same or smaller | |
1407 | // than the client display. Make sure viewport drag isn't | |
1408 | // active when it can't be used. | |
1409 | UI.rfb.dragViewport = false; | |
1410 | } | |
1411 | ||
1412 | if (UI.rfb.dragViewport) { | |
1413 | viewDragButton.classList.add("noVNC_selected"); | |
1414 | } else { | |
1415 | viewDragButton.classList.remove("noVNC_selected"); | |
1416 | } | |
1417 | ||
1418 | // Different behaviour for touch vs non-touch | |
1419 | // The button is disabled instead of hidden on touch devices | |
1420 | if (isTouchDevice) { | |
1421 | viewDragButton.classList.remove("noVNC_hidden"); | |
1422 | ||
1423 | if (clipping) { | |
1424 | viewDragButton.disabled = false; | |
1425 | } else { | |
1426 | viewDragButton.disabled = true; | |
1427 | } | |
1428 | } else { | |
1429 | viewDragButton.disabled = false; | |
1430 | ||
1431 | if (clipping) { | |
1432 | viewDragButton.classList.remove("noVNC_hidden"); | |
1433 | } else { | |
1434 | viewDragButton.classList.add("noVNC_hidden"); | |
1435 | } | |
1436 | } | |
1437 | }, | |
1438 | ||
1439 | /* ------^------- | |
1440 | * /VIEWDRAG | |
1441 | * ============== | |
1442 | * KEYBOARD | |
1443 | * ------v------*/ | |
1444 | ||
1445 | showVirtualKeyboard: function() { | |
1446 | if (!isTouchDevice) return; | |
1447 | ||
1448 | var input = document.getElementById('noVNC_keyboardinput'); | |
1449 | ||
1450 | if (document.activeElement == input) return; | |
1451 | ||
1452 | input.focus(); | |
1453 | ||
1454 | try { | |
1455 | var l = input.value.length; | |
1456 | // Move the caret to the end | |
1457 | input.setSelectionRange(l, l); | |
1458 | } catch (err) {} // setSelectionRange is undefined in Google Chrome | |
1459 | }, | |
1460 | ||
1461 | hideVirtualKeyboard: function() { | |
1462 | if (!isTouchDevice) return; | |
1463 | ||
1464 | var input = document.getElementById('noVNC_keyboardinput'); | |
1465 | ||
1466 | if (document.activeElement != input) return; | |
1467 | ||
1468 | input.blur(); | |
1469 | }, | |
1470 | ||
1471 | toggleVirtualKeyboard: function () { | |
1472 | if (document.getElementById('noVNC_keyboard_button') | |
1473 | .classList.contains("noVNC_selected")) { | |
1474 | UI.hideVirtualKeyboard(); | |
1475 | } else { | |
1476 | UI.showVirtualKeyboard(); | |
1477 | } | |
1478 | }, | |
1479 | ||
1480 | onfocusVirtualKeyboard: function(event) { | |
1481 | document.getElementById('noVNC_keyboard_button') | |
1482 | .classList.add("noVNC_selected"); | |
1483 | if (UI.rfb) { | |
1484 | UI.rfb.set_focus_on_click(false); | |
1485 | } | |
1486 | }, | |
1487 | ||
1488 | onblurVirtualKeyboard: function(event) { | |
1489 | document.getElementById('noVNC_keyboard_button') | |
1490 | .classList.remove("noVNC_selected"); | |
1491 | if (UI.rfb) { | |
1492 | UI.rfb.set_focus_on_click(true); | |
1493 | } | |
1494 | }, | |
1495 | ||
1496 | keepVirtualKeyboard: function(event) { | |
1497 | var input = document.getElementById('noVNC_keyboardinput'); | |
1498 | ||
1499 | // Only prevent focus change if the virtual keyboard is active | |
1500 | if (document.activeElement != input) { | |
1501 | return; | |
1502 | } | |
1503 | ||
1504 | // Only allow focus to move to other elements that need | |
1505 | // focus to function properly | |
1506 | if (event.target.form !== undefined) { | |
1507 | switch (event.target.type) { | |
1508 | case 'text': | |
1509 | case 'email': | |
1510 | case 'search': | |
1511 | case 'password': | |
1512 | case 'tel': | |
1513 | case 'url': | |
1514 | case 'textarea': | |
1515 | case 'select-one': | |
1516 | case 'select-multiple': | |
1517 | return; | |
1518 | } | |
1519 | } | |
1520 | ||
1521 | event.preventDefault(); | |
1522 | }, | |
1523 | ||
1524 | keyboardinputReset: function() { | |
1525 | var kbi = document.getElementById('noVNC_keyboardinput'); | |
1526 | kbi.value = new Array(UI.defaultKeyboardinputLen).join("_"); | |
1527 | UI.lastKeyboardinput = kbi.value; | |
1528 | }, | |
1529 | ||
1530 | keyEvent: function (keysym, code, down) { | |
1531 | if (!UI.rfb) return; | |
1532 | ||
1533 | UI.rfb.sendKey(keysym, code, down); | |
1534 | }, | |
1535 | ||
1536 | // When normal keyboard events are left uncought, use the input events from | |
1537 | // the keyboardinput element instead and generate the corresponding key events. | |
1538 | // This code is required since some browsers on Android are inconsistent in | |
1539 | // sending keyCodes in the normal keyboard events when using on screen keyboards. | |
1540 | keyInput: function(event) { | |
1541 | ||
1542 | if (!UI.rfb) return; | |
1543 | ||
1544 | var newValue = event.target.value; | |
1545 | ||
1546 | if (!UI.lastKeyboardinput) { | |
1547 | UI.keyboardinputReset(); | |
1548 | } | |
1549 | var oldValue = UI.lastKeyboardinput; | |
1550 | ||
1551 | var newLen; | |
1552 | try { | |
1553 | // Try to check caret position since whitespace at the end | |
1554 | // will not be considered by value.length in some browsers | |
1555 | newLen = Math.max(event.target.selectionStart, newValue.length); | |
1556 | } catch (err) { | |
1557 | // selectionStart is undefined in Google Chrome | |
1558 | newLen = newValue.length; | |
1559 | } | |
1560 | var oldLen = oldValue.length; | |
1561 | ||
1562 | var backspaces; | |
1563 | var inputs = newLen - oldLen; | |
1564 | if (inputs < 0) { | |
1565 | backspaces = -inputs; | |
1566 | } else { | |
1567 | backspaces = 0; | |
1568 | } | |
1569 | ||
1570 | // Compare the old string with the new to account for | |
1571 | // text-corrections or other input that modify existing text | |
1572 | var i; | |
1573 | for (i = 0; i < Math.min(oldLen, newLen); i++) { | |
1574 | if (newValue.charAt(i) != oldValue.charAt(i)) { | |
1575 | inputs = newLen - i; | |
1576 | backspaces = oldLen - i; | |
1577 | break; | |
1578 | } | |
1579 | } | |
1580 | ||
1581 | // Send the key events | |
1582 | for (i = 0; i < backspaces; i++) { | |
1583 | UI.rfb.sendKey(KeyTable.XK_BackSpace, "Backspace"); | |
1584 | } | |
1585 | for (i = newLen - inputs; i < newLen; i++) { | |
1586 | UI.rfb.sendKey(keysyms.lookup(newValue.charCodeAt(i))); | |
1587 | } | |
1588 | ||
1589 | // Control the text content length in the keyboardinput element | |
1590 | if (newLen > 2 * UI.defaultKeyboardinputLen) { | |
1591 | UI.keyboardinputReset(); | |
1592 | } else if (newLen < 1) { | |
1593 | // There always have to be some text in the keyboardinput | |
1594 | // element with which backspace can interact. | |
1595 | UI.keyboardinputReset(); | |
1596 | // This sometimes causes the keyboard to disappear for a second | |
1597 | // but it is required for the android keyboard to recognize that | |
1598 | // text has been added to the field | |
1599 | event.target.blur(); | |
1600 | // This has to be ran outside of the input handler in order to work | |
1601 | setTimeout(event.target.focus.bind(event.target), 0); | |
1602 | } else { | |
1603 | UI.lastKeyboardinput = newValue; | |
1604 | } | |
1605 | }, | |
1606 | ||
1607 | /* ------^------- | |
1608 | * /KEYBOARD | |
1609 | * ============== | |
1610 | * EXTRA KEYS | |
1611 | * ------v------*/ | |
1612 | ||
1613 | openExtraKeys: function() { | |
1614 | UI.closeAllPanels(); | |
1615 | UI.openControlbar(); | |
1616 | ||
1617 | document.getElementById('noVNC_modifiers') | |
1618 | .classList.add("noVNC_open"); | |
1619 | document.getElementById('noVNC_toggle_extra_keys_button') | |
1620 | .classList.add("noVNC_selected"); | |
1621 | }, | |
1622 | ||
1623 | closeExtraKeys: function() { | |
1624 | document.getElementById('noVNC_modifiers') | |
1625 | .classList.remove("noVNC_open"); | |
1626 | document.getElementById('noVNC_toggle_extra_keys_button') | |
1627 | .classList.remove("noVNC_selected"); | |
1628 | }, | |
1629 | ||
1630 | toggleExtraKeys: function() { | |
1631 | if(document.getElementById('noVNC_modifiers') | |
1632 | .classList.contains("noVNC_open")) { | |
1633 | UI.closeExtraKeys(); | |
1634 | } else { | |
1635 | UI.openExtraKeys(); | |
1636 | } | |
1637 | }, | |
1638 | ||
1639 | sendEsc: function() { | |
1640 | UI.rfb.sendKey(KeyTable.XK_Escape, "Escape"); | |
1641 | }, | |
1642 | ||
1643 | sendTab: function() { | |
1644 | UI.rfb.sendKey(KeyTable.XK_Tab); | |
1645 | }, | |
1646 | ||
1647 | toggleCtrl: function() { | |
1648 | var btn = document.getElementById('noVNC_toggle_ctrl_button'); | |
1649 | if (btn.classList.contains("noVNC_selected")) { | |
1650 | UI.rfb.sendKey(KeyTable.XK_Control_L, "ControlLeft", false); | |
1651 | btn.classList.remove("noVNC_selected"); | |
1652 | } else { | |
1653 | UI.rfb.sendKey(KeyTable.XK_Control_L, "ControlLeft", true); | |
1654 | btn.classList.add("noVNC_selected"); | |
1655 | } | |
1656 | }, | |
1657 | ||
1658 | toggleAlt: function() { | |
1659 | var btn = document.getElementById('noVNC_toggle_alt_button'); | |
1660 | if (btn.classList.contains("noVNC_selected")) { | |
1661 | UI.rfb.sendKey(KeyTable.XK_Alt_L, "AltLeft", false); | |
1662 | btn.classList.remove("noVNC_selected"); | |
1663 | } else { | |
1664 | UI.rfb.sendKey(KeyTable.XK_Alt_L, "AltLeft", true); | |
1665 | btn.classList.add("noVNC_selected"); | |
1666 | } | |
1667 | }, | |
1668 | ||
1669 | sendCtrlAltDel: function() { | |
1670 | UI.rfb.sendCtrlAltDel(); | |
1671 | }, | |
1672 | ||
1673 | /* ------^------- | |
1674 | * /EXTRA KEYS | |
1675 | * ============== | |
1676 | * MISC | |
1677 | * ------v------*/ | |
1678 | ||
1679 | setMouseButton: function(num) { | |
1680 | var view_only = UI.rfb.viewOnly; | |
1681 | if (UI.rfb && !view_only) { | |
1682 | UI.rfb.touchButton = num; | |
1683 | } | |
1684 | ||
1685 | var blist = [0, 1,2,4]; | |
1686 | for (var b = 0; b < blist.length; b++) { | |
1687 | var button = document.getElementById('noVNC_mouse_button' + | |
1688 | blist[b]); | |
1689 | if (blist[b] === num && !view_only) { | |
1690 | button.classList.remove("noVNC_hidden"); | |
1691 | } else { | |
1692 | button.classList.add("noVNC_hidden"); | |
1693 | } | |
1694 | } | |
1695 | }, | |
1696 | ||
1697 | updateViewOnly: function() { | |
1698 | if (!UI.rfb) return; | |
1699 | UI.rfb.viewOnly = UI.getSetting('view_only'); | |
1700 | }, | |
1701 | ||
1702 | updateLogging: function() { | |
1703 | WebUtil.init_logging(UI.getSetting('logging')); | |
1704 | }, | |
1705 | ||
1706 | updateSessionSize: function(e) { | |
1707 | UI.updateViewClip(); | |
1708 | UI.updateScaling(); | |
1709 | UI.fixScrollbars(); | |
1710 | }, | |
1711 | ||
1712 | fixScrollbars: function() { | |
1713 | // This is a hack because Chrome screws up the calculation | |
1714 | // for when scrollbars are needed. So to fix it we temporarily | |
1715 | // toggle them off and on. | |
1716 | var screen = document.getElementById('noVNC_screen'); | |
1717 | screen.style.overflow = 'hidden'; | |
1718 | // Force Chrome to recalculate the layout by asking for | |
1719 | // an element's dimensions | |
1720 | screen.getBoundingClientRect(); | |
1721 | screen.style.overflow = ""; | |
1722 | }, | |
1723 | ||
1724 | updateDesktopName: function(e) { | |
1725 | UI.desktopName = e.detail.name; | |
1726 | // Display the desktop name in the document title | |
1727 | document.title = e.detail.name + " - noVNC"; | |
1728 | }, | |
1729 | ||
1730 | bell: function(e) { | |
1731 | if (WebUtil.getConfigVar('bell', 'on') === 'on') { | |
1732 | var promise = document.getElementById('noVNC_bell').play(); | |
1733 | // The standards disagree on the return value here | |
1734 | if (promise) { | |
1735 | promise.catch(function(e) { | |
1736 | if (e.name === "NotAllowedError") { | |
1737 | // Ignore when the browser doesn't let us play audio. | |
1738 | // It is common that the browsers require audio to be | |
1739 | // initiated from a user action. | |
1740 | } else { | |
1741 | Log.Error("Unable to play bell: " + e); | |
1742 | } | |
1743 | }); | |
1744 | } | |
1745 | } | |
1746 | }, | |
1747 | ||
1748 | //Helper to add options to dropdown. | |
1749 | addOption: function(selectbox, text, value) { | |
1750 | var optn = document.createElement("OPTION"); | |
1751 | optn.text = text; | |
1752 | optn.value = value; | |
1753 | selectbox.options.add(optn); | |
1754 | }, | |
1755 | ||
1756 | /* ------^------- | |
1757 | * /MISC | |
1758 | * ============== | |
1759 | */ | |
1760 | }; | |
1761 | ||
1762 | // Set up translations | |
1763 | var LINGUAS = ["de", "el", "nl", "pl", "sv"]; | |
1764 | l10n.setup(LINGUAS); | |
1765 | if (l10n.language !== "en" && l10n.dictionary === undefined) { | |
1766 | WebUtil.fetchJSON('app/locale/' + l10n.language + '.json', function (translations) { | |
1767 | l10n.dictionary = translations; | |
1768 | ||
1769 | // wait for translations to load before loading the UI | |
1770 | UI.prime(); | |
1771 | }, function (err) { | |
1772 | throw err; | |
1773 | }); | |
1774 | } else { | |
1775 | UI.prime(); | |
1776 | } | |
1777 | ||
1778 | export default UI; |