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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 | import * as Log from '../core/util/logging.js'; | |
12 | import _, { l10n } from './localization.js'; | |
13 | import { isTouchDevice } from '../core/util/browser.js'; | |
14 | import { setCapture, getPointerEvent } from '../core/util/events.js'; | |
15 | import KeyTable from "../core/input/keysym.js"; | |
16 | import keysyms from "../core/input/keysymdef.js"; | |
17 | import Keyboard from "../core/input/keyboard.js"; | |
18 | import RFB from "../core/rfb.js"; | |
19 | import * as WebUtil from "./webutil.js"; | |
20 | ||
21 | const UI = { | |
22 | ||
23 | connected: false, | |
24 | desktopName: "", | |
25 | ||
26 | statusTimeout: null, | |
27 | hideKeyboardTimeout: null, | |
28 | idleControlbarTimeout: null, | |
29 | closeControlbarTimeout: null, | |
30 | ||
31 | controlbarGrabbed: false, | |
32 | controlbarDrag: false, | |
33 | controlbarMouseDownClientY: 0, | |
34 | controlbarMouseDownOffsetY: 0, | |
35 | ||
36 | isSafari: false, | |
37 | lastKeyboardinput: null, | |
38 | defaultKeyboardinputLen: 100, | |
39 | ||
40 | inhibit_reconnect: true, | |
41 | reconnect_callback: null, | |
42 | reconnect_password: null, | |
43 | ||
44 | prime(callback) { | |
45 | if (document.readyState === "interactive" || document.readyState === "complete") { | |
46 | UI.load(callback); | |
47 | } else { | |
48 | document.addEventListener('DOMContentLoaded', UI.load.bind(UI, callback)); | |
49 | } | |
50 | }, | |
51 | ||
52 | // Setup rfb object, load settings from browser storage, then call | |
53 | // UI.init to setup the UI/menus | |
54 | load(callback) { | |
55 | WebUtil.initSettings(UI.start, callback); | |
56 | }, | |
57 | ||
58 | // Render default UI and initialize settings menu | |
59 | start(callback) { | |
60 | ||
61 | // Setup global variables first | |
62 | UI.isSafari = (navigator.userAgent.indexOf('Safari') !== -1 && | |
63 | navigator.userAgent.indexOf('Chrome') === -1); | |
64 | ||
65 | UI.initSettings(); | |
66 | ||
67 | // Translate the DOM | |
68 | l10n.translateDOM(); | |
69 | ||
70 | // Adapt the interface for touch screen devices | |
71 | if (isTouchDevice) { | |
72 | document.documentElement.classList.add("noVNC_touch"); | |
73 | // Remove the address bar | |
74 | setTimeout(function() { window.scrollTo(0, 1); }, 100); | |
75 | } | |
76 | ||
77 | // Restore control bar position | |
78 | if (WebUtil.readSetting('controlbar_pos') === 'right') { | |
79 | UI.toggleControlbarSide(); | |
80 | } | |
81 | ||
82 | UI.initFullscreen(); | |
83 | ||
84 | // Setup event handlers | |
85 | UI.addControlbarHandlers(); | |
86 | UI.addTouchSpecificHandlers(); | |
87 | UI.addExtraKeysHandlers(); | |
88 | UI.addMachineHandlers(); | |
89 | UI.addConnectionControlHandlers(); | |
90 | UI.addClipboardHandlers(); | |
91 | UI.addSettingsHandlers(); | |
92 | document.getElementById("noVNC_status") | |
93 | .addEventListener('click', UI.hideStatus); | |
94 | ||
95 | // Bootstrap fallback input handler | |
96 | UI.keyboardinputReset(); | |
97 | ||
98 | UI.openControlbar(); | |
99 | ||
100 | UI.updateVisualState('init'); | |
101 | ||
102 | document.documentElement.classList.remove("noVNC_loading"); | |
103 | ||
104 | let autoconnect = WebUtil.getConfigVar('autoconnect', false); | |
105 | if (autoconnect === 'true' || autoconnect == '1') { | |
106 | autoconnect = true; | |
107 | UI.connect(); | |
108 | } else { | |
109 | autoconnect = false; | |
110 | // Show the connect panel on first load unless autoconnecting | |
111 | UI.openConnectPanel(); | |
112 | } | |
113 | ||
114 | if (typeof callback === "function") { | |
115 | callback(UI.rfb); | |
116 | } | |
117 | }, | |
118 | ||
119 | initFullscreen() { | |
120 | // Only show the button if fullscreen is properly supported | |
121 | // * Safari doesn't support alphanumerical input while in fullscreen | |
122 | if (!UI.isSafari && | |
123 | (document.documentElement.requestFullscreen || | |
124 | document.documentElement.mozRequestFullScreen || | |
125 | document.documentElement.webkitRequestFullscreen || | |
126 | document.body.msRequestFullscreen)) { | |
127 | document.getElementById('noVNC_fullscreen_button') | |
128 | .classList.remove("noVNC_hidden"); | |
129 | UI.addFullscreenHandlers(); | |
130 | } | |
131 | }, | |
132 | ||
133 | initSettings() { | |
134 | // Logging selection dropdown | |
135 | const llevels = ['error', 'warn', 'info', 'debug']; | |
136 | for (let i = 0; i < llevels.length; i += 1) { | |
137 | UI.addOption(document.getElementById('noVNC_setting_logging'), llevels[i], llevels[i]); | |
138 | } | |
139 | ||
140 | // Settings with immediate effects | |
141 | UI.initSetting('logging', 'warn'); | |
142 | UI.updateLogging(); | |
143 | ||
144 | // if port == 80 (or 443) then it won't be present and should be | |
145 | // set manually | |
146 | let port = window.location.port; | |
147 | if (!port) { | |
148 | if (window.location.protocol.substring(0,5) == 'https') { | |
149 | port = 443; | |
150 | } | |
151 | else if (window.location.protocol.substring(0,4) == 'http') { | |
152 | port = 80; | |
153 | } | |
154 | } | |
155 | ||
156 | /* Populate the controls if defaults are provided in the URL */ | |
157 | UI.initSetting('host', window.location.hostname); | |
158 | UI.initSetting('port', port); | |
159 | UI.initSetting('encrypt', (window.location.protocol === "https:")); | |
160 | UI.initSetting('view_clip', false); | |
161 | UI.initSetting('resize', 'off'); | |
162 | UI.initSetting('shared', true); | |
163 | UI.initSetting('view_only', false); | |
164 | UI.initSetting('path', 'websockify'); | |
165 | UI.initSetting('repeaterID', ''); | |
166 | UI.initSetting('reconnect', false); | |
167 | UI.initSetting('reconnect_delay', 5000); | |
168 | ||
169 | UI.setupSettingLabels(); | |
170 | }, | |
171 | // Adds a link to the label elements on the corresponding input elements | |
172 | setupSettingLabels() { | |
173 | const labels = document.getElementsByTagName('LABEL'); | |
174 | for (let i = 0; i < labels.length; i++) { | |
175 | const htmlFor = labels[i].htmlFor; | |
176 | if (htmlFor != '') { | |
177 | const elem = document.getElementById(htmlFor); | |
178 | if (elem) elem.label = labels[i]; | |
179 | } else { | |
180 | // If 'for' isn't set, use the first input element child | |
181 | const children = labels[i].children; | |
182 | for (let j = 0; j < children.length; j++) { | |
183 | if (children[j].form !== undefined) { | |
184 | children[j].label = labels[i]; | |
185 | break; | |
186 | } | |
187 | } | |
188 | } | |
189 | } | |
190 | }, | |
191 | ||
192 | /* ------^------- | |
193 | * /INIT | |
194 | * ============== | |
195 | * EVENT HANDLERS | |
196 | * ------v------*/ | |
197 | ||
198 | addControlbarHandlers() { | |
199 | document.getElementById("noVNC_control_bar") | |
200 | .addEventListener('mousemove', UI.activateControlbar); | |
201 | document.getElementById("noVNC_control_bar") | |
202 | .addEventListener('mouseup', UI.activateControlbar); | |
203 | document.getElementById("noVNC_control_bar") | |
204 | .addEventListener('mousedown', UI.activateControlbar); | |
205 | document.getElementById("noVNC_control_bar") | |
206 | .addEventListener('keydown', UI.activateControlbar); | |
207 | ||
208 | document.getElementById("noVNC_control_bar") | |
209 | .addEventListener('mousedown', UI.keepControlbar); | |
210 | document.getElementById("noVNC_control_bar") | |
211 | .addEventListener('keydown', UI.keepControlbar); | |
212 | ||
213 | document.getElementById("noVNC_view_drag_button") | |
214 | .addEventListener('click', UI.toggleViewDrag); | |
215 | ||
216 | document.getElementById("noVNC_control_bar_handle") | |
217 | .addEventListener('mousedown', UI.controlbarHandleMouseDown); | |
218 | document.getElementById("noVNC_control_bar_handle") | |
219 | .addEventListener('mouseup', UI.controlbarHandleMouseUp); | |
220 | document.getElementById("noVNC_control_bar_handle") | |
221 | .addEventListener('mousemove', UI.dragControlbarHandle); | |
222 | // resize events aren't available for elements | |
223 | window.addEventListener('resize', UI.updateControlbarHandle); | |
224 | ||
225 | const exps = document.getElementsByClassName("noVNC_expander"); | |
226 | for (let i = 0;i < exps.length;i++) { | |
227 | exps[i].addEventListener('click', UI.toggleExpander); | |
228 | } | |
229 | }, | |
230 | ||
231 | addTouchSpecificHandlers() { | |
232 | document.getElementById("noVNC_mouse_button0") | |
233 | .addEventListener('click', function () { UI.setMouseButton(1); }); | |
234 | document.getElementById("noVNC_mouse_button1") | |
235 | .addEventListener('click', function () { UI.setMouseButton(2); }); | |
236 | document.getElementById("noVNC_mouse_button2") | |
237 | .addEventListener('click', function () { UI.setMouseButton(4); }); | |
238 | document.getElementById("noVNC_mouse_button4") | |
239 | .addEventListener('click', function () { UI.setMouseButton(0); }); | |
240 | document.getElementById("noVNC_keyboard_button") | |
241 | .addEventListener('click', UI.toggleVirtualKeyboard); | |
242 | ||
243 | UI.touchKeyboard = new Keyboard(document.getElementById('noVNC_keyboardinput')); | |
244 | UI.touchKeyboard.onkeyevent = UI.keyEvent; | |
245 | UI.touchKeyboard.grab(); | |
246 | document.getElementById("noVNC_keyboardinput") | |
247 | .addEventListener('input', UI.keyInput); | |
248 | document.getElementById("noVNC_keyboardinput") | |
249 | .addEventListener('focus', UI.onfocusVirtualKeyboard); | |
250 | document.getElementById("noVNC_keyboardinput") | |
251 | .addEventListener('blur', UI.onblurVirtualKeyboard); | |
252 | document.getElementById("noVNC_keyboardinput") | |
253 | .addEventListener('submit', function () { return false; }); | |
254 | ||
255 | document.documentElement | |
256 | .addEventListener('mousedown', UI.keepVirtualKeyboard, true); | |
257 | ||
258 | document.getElementById("noVNC_control_bar") | |
259 | .addEventListener('touchstart', UI.activateControlbar); | |
260 | document.getElementById("noVNC_control_bar") | |
261 | .addEventListener('touchmove', UI.activateControlbar); | |
262 | document.getElementById("noVNC_control_bar") | |
263 | .addEventListener('touchend', UI.activateControlbar); | |
264 | document.getElementById("noVNC_control_bar") | |
265 | .addEventListener('input', UI.activateControlbar); | |
266 | ||
267 | document.getElementById("noVNC_control_bar") | |
268 | .addEventListener('touchstart', UI.keepControlbar); | |
269 | document.getElementById("noVNC_control_bar") | |
270 | .addEventListener('input', UI.keepControlbar); | |
271 | ||
272 | document.getElementById("noVNC_control_bar_handle") | |
273 | .addEventListener('touchstart', UI.controlbarHandleMouseDown); | |
274 | document.getElementById("noVNC_control_bar_handle") | |
275 | .addEventListener('touchend', UI.controlbarHandleMouseUp); | |
276 | document.getElementById("noVNC_control_bar_handle") | |
277 | .addEventListener('touchmove', UI.dragControlbarHandle); | |
278 | }, | |
279 | ||
280 | addExtraKeysHandlers() { | |
281 | document.getElementById("noVNC_toggle_extra_keys_button") | |
282 | .addEventListener('click', UI.toggleExtraKeys); | |
283 | document.getElementById("noVNC_toggle_ctrl_button") | |
284 | .addEventListener('click', UI.toggleCtrl); | |
285 | document.getElementById("noVNC_toggle_alt_button") | |
286 | .addEventListener('click', UI.toggleAlt); | |
287 | document.getElementById("noVNC_send_tab_button") | |
288 | .addEventListener('click', UI.sendTab); | |
289 | document.getElementById("noVNC_send_esc_button") | |
290 | .addEventListener('click', UI.sendEsc); | |
291 | document.getElementById("noVNC_send_ctrl_alt_del_button") | |
292 | .addEventListener('click', UI.sendCtrlAltDel); | |
293 | }, | |
294 | ||
295 | addMachineHandlers() { | |
296 | document.getElementById("noVNC_shutdown_button") | |
297 | .addEventListener('click', function() { UI.rfb.machineShutdown(); }); | |
298 | document.getElementById("noVNC_reboot_button") | |
299 | .addEventListener('click', function() { UI.rfb.machineReboot(); }); | |
300 | document.getElementById("noVNC_reset_button") | |
301 | .addEventListener('click', function() { UI.rfb.machineReset(); }); | |
302 | document.getElementById("noVNC_power_button") | |
303 | .addEventListener('click', UI.togglePowerPanel); | |
304 | }, | |
305 | ||
306 | addConnectionControlHandlers() { | |
307 | document.getElementById("noVNC_disconnect_button") | |
308 | .addEventListener('click', UI.disconnect); | |
309 | document.getElementById("noVNC_connect_button") | |
310 | .addEventListener('click', UI.connect); | |
311 | document.getElementById("noVNC_cancel_reconnect_button") | |
312 | .addEventListener('click', UI.cancelReconnect); | |
313 | ||
314 | document.getElementById("noVNC_password_button") | |
315 | .addEventListener('click', UI.setPassword); | |
316 | }, | |
317 | ||
318 | addClipboardHandlers() { | |
319 | document.getElementById("noVNC_clipboard_button") | |
320 | .addEventListener('click', UI.toggleClipboardPanel); | |
321 | document.getElementById("noVNC_clipboard_text") | |
322 | .addEventListener('change', UI.clipboardSend); | |
323 | document.getElementById("noVNC_clipboard_clear_button") | |
324 | .addEventListener('click', UI.clipboardClear); | |
325 | }, | |
326 | ||
327 | // Add a call to save settings when the element changes, | |
328 | // unless the optional parameter changeFunc is used instead. | |
329 | addSettingChangeHandler(name, changeFunc) { | |
330 | const settingElem = document.getElementById("noVNC_setting_" + name); | |
331 | if (changeFunc === undefined) { | |
332 | changeFunc = function () { UI.saveSetting(name); }; | |
333 | } | |
334 | settingElem.addEventListener('change', changeFunc); | |
335 | }, | |
336 | ||
337 | addSettingsHandlers() { | |
338 | document.getElementById("noVNC_settings_button") | |
339 | .addEventListener('click', UI.toggleSettingsPanel); | |
340 | ||
341 | UI.addSettingChangeHandler('encrypt'); | |
342 | UI.addSettingChangeHandler('resize'); | |
343 | UI.addSettingChangeHandler('resize', UI.enableDisableViewClip); | |
344 | UI.addSettingChangeHandler('resize', UI.applyResizeMode); | |
345 | UI.addSettingChangeHandler('view_clip'); | |
346 | UI.addSettingChangeHandler('view_clip', UI.updateViewClip); | |
347 | UI.addSettingChangeHandler('shared'); | |
348 | UI.addSettingChangeHandler('view_only'); | |
349 | UI.addSettingChangeHandler('view_only', UI.updateViewOnly); | |
350 | UI.addSettingChangeHandler('host'); | |
351 | UI.addSettingChangeHandler('port'); | |
352 | UI.addSettingChangeHandler('path'); | |
353 | UI.addSettingChangeHandler('repeaterID'); | |
354 | UI.addSettingChangeHandler('logging'); | |
355 | UI.addSettingChangeHandler('logging', UI.updateLogging); | |
356 | UI.addSettingChangeHandler('reconnect'); | |
357 | UI.addSettingChangeHandler('reconnect_delay'); | |
358 | }, | |
359 | ||
360 | addFullscreenHandlers() { | |
361 | document.getElementById("noVNC_fullscreen_button") | |
362 | .addEventListener('click', UI.toggleFullscreen); | |
363 | ||
364 | window.addEventListener('fullscreenchange', UI.updateFullscreenButton); | |
365 | window.addEventListener('mozfullscreenchange', UI.updateFullscreenButton); | |
366 | window.addEventListener('webkitfullscreenchange', UI.updateFullscreenButton); | |
367 | window.addEventListener('msfullscreenchange', UI.updateFullscreenButton); | |
368 | }, | |
369 | ||
370 | /* ------^------- | |
371 | * /EVENT HANDLERS | |
372 | * ============== | |
373 | * VISUAL | |
374 | * ------v------*/ | |
375 | ||
376 | // Disable/enable controls depending on connection state | |
377 | updateVisualState(state) { | |
378 | ||
379 | document.documentElement.classList.remove("noVNC_connecting"); | |
380 | document.documentElement.classList.remove("noVNC_connected"); | |
381 | document.documentElement.classList.remove("noVNC_disconnecting"); | |
382 | document.documentElement.classList.remove("noVNC_reconnecting"); | |
383 | ||
384 | const transition_elem = document.getElementById("noVNC_transition_text"); | |
385 | switch (state) { | |
386 | case 'init': | |
387 | break; | |
388 | case 'connecting': | |
389 | transition_elem.textContent = _("Connecting..."); | |
390 | document.documentElement.classList.add("noVNC_connecting"); | |
391 | break; | |
392 | case 'connected': | |
393 | document.documentElement.classList.add("noVNC_connected"); | |
394 | break; | |
395 | case 'disconnecting': | |
396 | transition_elem.textContent = _("Disconnecting..."); | |
397 | document.documentElement.classList.add("noVNC_disconnecting"); | |
398 | break; | |
399 | case 'disconnected': | |
400 | break; | |
401 | case 'reconnecting': | |
402 | transition_elem.textContent = _("Reconnecting..."); | |
403 | document.documentElement.classList.add("noVNC_reconnecting"); | |
404 | break; | |
405 | default: | |
406 | Log.Error("Invalid visual state: " + state); | |
407 | UI.showStatus(_("Internal error"), 'error'); | |
408 | return; | |
409 | } | |
410 | ||
411 | UI.enableDisableViewClip(); | |
412 | ||
413 | if (UI.connected) { | |
414 | UI.disableSetting('encrypt'); | |
415 | UI.disableSetting('shared'); | |
416 | UI.disableSetting('host'); | |
417 | UI.disableSetting('port'); | |
418 | UI.disableSetting('path'); | |
419 | UI.disableSetting('repeaterID'); | |
420 | UI.setMouseButton(1); | |
421 | ||
422 | // Hide the controlbar after 2 seconds | |
423 | UI.closeControlbarTimeout = setTimeout(UI.closeControlbar, 2000); | |
424 | } else { | |
425 | UI.enableSetting('encrypt'); | |
426 | UI.enableSetting('shared'); | |
427 | UI.enableSetting('host'); | |
428 | UI.enableSetting('port'); | |
429 | UI.enableSetting('path'); | |
430 | UI.enableSetting('repeaterID'); | |
431 | UI.updatePowerButton(); | |
432 | UI.keepControlbar(); | |
433 | } | |
434 | ||
435 | // State change disables viewport dragging. | |
436 | // It is enabled (toggled) by direct click on the button | |
437 | UI.setViewDrag(false); | |
438 | ||
439 | // State change also closes the password dialog | |
440 | document.getElementById('noVNC_password_dlg') | |
441 | .classList.remove('noVNC_open'); | |
442 | }, | |
443 | ||
444 | showStatus(text, status_type, time) { | |
445 | const statusElem = document.getElementById('noVNC_status'); | |
446 | ||
447 | clearTimeout(UI.statusTimeout); | |
448 | ||
449 | if (typeof status_type === 'undefined') { | |
450 | status_type = 'normal'; | |
451 | } | |
452 | ||
453 | // Don't overwrite more severe visible statuses and never | |
454 | // errors. Only shows the first error. | |
455 | let visible_status_type = 'none'; | |
456 | if (statusElem.classList.contains("noVNC_open")) { | |
457 | if (statusElem.classList.contains("noVNC_status_error")) { | |
458 | visible_status_type = 'error'; | |
459 | } else if (statusElem.classList.contains("noVNC_status_warn")) { | |
460 | visible_status_type = 'warn'; | |
461 | } else { | |
462 | visible_status_type = 'normal'; | |
463 | } | |
464 | } | |
465 | if (visible_status_type === 'error' || | |
466 | (visible_status_type === 'warn' && status_type === 'normal')) { | |
467 | return; | |
468 | } | |
469 | ||
470 | switch (status_type) { | |
471 | case 'error': | |
472 | statusElem.classList.remove("noVNC_status_warn"); | |
473 | statusElem.classList.remove("noVNC_status_normal"); | |
474 | statusElem.classList.add("noVNC_status_error"); | |
475 | break; | |
476 | case 'warning': | |
477 | case 'warn': | |
478 | statusElem.classList.remove("noVNC_status_error"); | |
479 | statusElem.classList.remove("noVNC_status_normal"); | |
480 | statusElem.classList.add("noVNC_status_warn"); | |
481 | break; | |
482 | case 'normal': | |
483 | case 'info': | |
484 | default: | |
485 | statusElem.classList.remove("noVNC_status_error"); | |
486 | statusElem.classList.remove("noVNC_status_warn"); | |
487 | statusElem.classList.add("noVNC_status_normal"); | |
488 | break; | |
489 | } | |
490 | ||
491 | statusElem.textContent = text; | |
492 | statusElem.classList.add("noVNC_open"); | |
493 | ||
494 | // If no time was specified, show the status for 1.5 seconds | |
495 | if (typeof time === 'undefined') { | |
496 | time = 1500; | |
497 | } | |
498 | ||
499 | // Error messages do not timeout | |
500 | if (status_type !== 'error') { | |
501 | UI.statusTimeout = window.setTimeout(UI.hideStatus, time); | |
502 | } | |
503 | }, | |
504 | ||
505 | hideStatus() { | |
506 | clearTimeout(UI.statusTimeout); | |
507 | document.getElementById('noVNC_status').classList.remove("noVNC_open"); | |
508 | }, | |
509 | ||
510 | activateControlbar(event) { | |
511 | clearTimeout(UI.idleControlbarTimeout); | |
512 | // We manipulate the anchor instead of the actual control | |
513 | // bar in order to avoid creating new a stacking group | |
514 | document.getElementById('noVNC_control_bar_anchor') | |
515 | .classList.remove("noVNC_idle"); | |
516 | UI.idleControlbarTimeout = window.setTimeout(UI.idleControlbar, 2000); | |
517 | }, | |
518 | ||
519 | idleControlbar() { | |
520 | document.getElementById('noVNC_control_bar_anchor') | |
521 | .classList.add("noVNC_idle"); | |
522 | }, | |
523 | ||
524 | keepControlbar() { | |
525 | clearTimeout(UI.closeControlbarTimeout); | |
526 | }, | |
527 | ||
528 | openControlbar() { | |
529 | document.getElementById('noVNC_control_bar') | |
530 | .classList.add("noVNC_open"); | |
531 | }, | |
532 | ||
533 | closeControlbar() { | |
534 | UI.closeAllPanels(); | |
535 | document.getElementById('noVNC_control_bar') | |
536 | .classList.remove("noVNC_open"); | |
537 | }, | |
538 | ||
539 | toggleControlbar() { | |
540 | if (document.getElementById('noVNC_control_bar') | |
541 | .classList.contains("noVNC_open")) { | |
542 | UI.closeControlbar(); | |
543 | } else { | |
544 | UI.openControlbar(); | |
545 | } | |
546 | }, | |
547 | ||
548 | toggleControlbarSide() { | |
549 | // Temporarily disable animation, if bar is displayed, to avoid weird | |
550 | // movement. The transitionend-event will not fire when display=none. | |
551 | const bar = document.getElementById('noVNC_control_bar'); | |
552 | const barDisplayStyle = window.getComputedStyle(bar).display; | |
553 | if (barDisplayStyle !== 'none') { | |
554 | bar.style.transitionDuration = '0s'; | |
555 | bar.addEventListener('transitionend', function () { | |
556 | this.style.transitionDuration = ""; }); | |
557 | } | |
558 | ||
559 | const anchor = document.getElementById('noVNC_control_bar_anchor'); | |
560 | if (anchor.classList.contains("noVNC_right")) { | |
561 | WebUtil.writeSetting('controlbar_pos', 'left'); | |
562 | anchor.classList.remove("noVNC_right"); | |
563 | } else { | |
564 | WebUtil.writeSetting('controlbar_pos', 'right'); | |
565 | anchor.classList.add("noVNC_right"); | |
566 | } | |
567 | ||
568 | // Consider this a movement of the handle | |
569 | UI.controlbarDrag = true; | |
570 | }, | |
571 | ||
572 | showControlbarHint(show) { | |
573 | const hint = document.getElementById('noVNC_control_bar_hint'); | |
574 | if (show) { | |
575 | hint.classList.add("noVNC_active"); | |
576 | } else { | |
577 | hint.classList.remove("noVNC_active"); | |
578 | } | |
579 | }, | |
580 | ||
581 | dragControlbarHandle(e) { | |
582 | if (!UI.controlbarGrabbed) return; | |
583 | ||
584 | const ptr = getPointerEvent(e); | |
585 | ||
586 | const anchor = document.getElementById('noVNC_control_bar_anchor'); | |
587 | if (ptr.clientX < (window.innerWidth * 0.1)) { | |
588 | if (anchor.classList.contains("noVNC_right")) { | |
589 | UI.toggleControlbarSide(); | |
590 | } | |
591 | } else if (ptr.clientX > (window.innerWidth * 0.9)) { | |
592 | if (!anchor.classList.contains("noVNC_right")) { | |
593 | UI.toggleControlbarSide(); | |
594 | } | |
595 | } | |
596 | ||
597 | if (!UI.controlbarDrag) { | |
598 | // The goal is to trigger on a certain physical width, the | |
599 | // devicePixelRatio brings us a bit closer but is not optimal. | |
600 | const dragThreshold = 10 * (window.devicePixelRatio || 1); | |
601 | const dragDistance = Math.abs(ptr.clientY - UI.controlbarMouseDownClientY); | |
602 | ||
603 | if (dragDistance < dragThreshold) return; | |
604 | ||
605 | UI.controlbarDrag = true; | |
606 | } | |
607 | ||
608 | const eventY = ptr.clientY - UI.controlbarMouseDownOffsetY; | |
609 | ||
610 | UI.moveControlbarHandle(eventY); | |
611 | ||
612 | e.preventDefault(); | |
613 | e.stopPropagation(); | |
614 | UI.keepControlbar(); | |
615 | UI.activateControlbar(); | |
616 | }, | |
617 | ||
618 | // Move the handle but don't allow any position outside the bounds | |
619 | moveControlbarHandle(viewportRelativeY) { | |
620 | const handle = document.getElementById("noVNC_control_bar_handle"); | |
621 | const handleHeight = handle.getBoundingClientRect().height; | |
622 | const controlbarBounds = document.getElementById("noVNC_control_bar") | |
623 | .getBoundingClientRect(); | |
624 | const margin = 10; | |
625 | ||
626 | // These heights need to be non-zero for the below logic to work | |
627 | if (handleHeight === 0 || controlbarBounds.height === 0) { | |
628 | return; | |
629 | } | |
630 | ||
631 | let newY = viewportRelativeY; | |
632 | ||
633 | // Check if the coordinates are outside the control bar | |
634 | if (newY < controlbarBounds.top + margin) { | |
635 | // Force coordinates to be below the top of the control bar | |
636 | newY = controlbarBounds.top + margin; | |
637 | ||
638 | } else if (newY > controlbarBounds.top + | |
639 | controlbarBounds.height - handleHeight - margin) { | |
640 | // Force coordinates to be above the bottom of the control bar | |
641 | newY = controlbarBounds.top + | |
642 | controlbarBounds.height - handleHeight - margin; | |
643 | } | |
644 | ||
645 | // Corner case: control bar too small for stable position | |
646 | if (controlbarBounds.height < (handleHeight + margin * 2)) { | |
647 | newY = controlbarBounds.top + | |
648 | (controlbarBounds.height - handleHeight) / 2; | |
649 | } | |
650 | ||
651 | // The transform needs coordinates that are relative to the parent | |
652 | const parentRelativeY = newY - controlbarBounds.top; | |
653 | handle.style.transform = "translateY(" + parentRelativeY + "px)"; | |
654 | }, | |
655 | ||
656 | updateControlbarHandle() { | |
657 | // Since the control bar is fixed on the viewport and not the page, | |
658 | // the move function expects coordinates relative the the viewport. | |
659 | const handle = document.getElementById("noVNC_control_bar_handle"); | |
660 | const handleBounds = handle.getBoundingClientRect(); | |
661 | UI.moveControlbarHandle(handleBounds.top); | |
662 | }, | |
663 | ||
664 | controlbarHandleMouseUp(e) { | |
665 | if ((e.type == "mouseup") && (e.button != 0)) return; | |
666 | ||
667 | // mouseup and mousedown on the same place toggles the controlbar | |
668 | if (UI.controlbarGrabbed && !UI.controlbarDrag) { | |
669 | UI.toggleControlbar(); | |
670 | e.preventDefault(); | |
671 | e.stopPropagation(); | |
672 | UI.keepControlbar(); | |
673 | UI.activateControlbar(); | |
674 | } | |
675 | UI.controlbarGrabbed = false; | |
676 | UI.showControlbarHint(false); | |
677 | }, | |
678 | ||
679 | controlbarHandleMouseDown(e) { | |
680 | if ((e.type == "mousedown") && (e.button != 0)) return; | |
681 | ||
682 | const ptr = getPointerEvent(e); | |
683 | ||
684 | const handle = document.getElementById("noVNC_control_bar_handle"); | |
685 | const bounds = handle.getBoundingClientRect(); | |
686 | ||
687 | // Touch events have implicit capture | |
688 | if (e.type === "mousedown") { | |
689 | setCapture(handle); | |
690 | } | |
691 | ||
692 | UI.controlbarGrabbed = true; | |
693 | UI.controlbarDrag = false; | |
694 | ||
695 | UI.showControlbarHint(true); | |
696 | ||
697 | UI.controlbarMouseDownClientY = ptr.clientY; | |
698 | UI.controlbarMouseDownOffsetY = ptr.clientY - bounds.top; | |
699 | e.preventDefault(); | |
700 | e.stopPropagation(); | |
701 | UI.keepControlbar(); | |
702 | UI.activateControlbar(); | |
703 | }, | |
704 | ||
705 | toggleExpander(e) { | |
706 | if (this.classList.contains("noVNC_open")) { | |
707 | this.classList.remove("noVNC_open"); | |
708 | } else { | |
709 | this.classList.add("noVNC_open"); | |
710 | } | |
711 | }, | |
712 | ||
713 | /* ------^------- | |
714 | * /VISUAL | |
715 | * ============== | |
716 | * SETTINGS | |
717 | * ------v------*/ | |
718 | ||
719 | // Initial page load read/initialization of settings | |
720 | initSetting(name, defVal) { | |
721 | // Check Query string followed by cookie | |
722 | let val = WebUtil.getConfigVar(name); | |
723 | if (val === null) { | |
724 | val = WebUtil.readSetting(name, defVal); | |
725 | } | |
726 | WebUtil.setSetting(name, val); | |
727 | UI.updateSetting(name); | |
728 | return val; | |
729 | }, | |
730 | ||
731 | // Set the new value, update and disable form control setting | |
732 | forceSetting(name, val) { | |
733 | WebUtil.setSetting(name, val); | |
734 | UI.updateSetting(name); | |
735 | UI.disableSetting(name); | |
736 | }, | |
737 | ||
738 | // Update cookie and form control setting. If value is not set, then | |
739 | // updates from control to current cookie setting. | |
740 | updateSetting(name) { | |
741 | ||
742 | // Update the settings control | |
743 | let value = UI.getSetting(name); | |
744 | ||
745 | const ctrl = document.getElementById('noVNC_setting_' + name); | |
746 | if (ctrl.type === 'checkbox') { | |
747 | ctrl.checked = value; | |
748 | ||
749 | } else if (typeof ctrl.options !== 'undefined') { | |
750 | for (let i = 0; i < ctrl.options.length; i += 1) { | |
751 | if (ctrl.options[i].value === value) { | |
752 | ctrl.selectedIndex = i; | |
753 | break; | |
754 | } | |
755 | } | |
756 | } else { | |
757 | /*Weird IE9 error leads to 'null' appearring | |
758 | in textboxes instead of ''.*/ | |
759 | if (value === null) { | |
760 | value = ""; | |
761 | } | |
762 | ctrl.value = value; | |
763 | } | |
764 | }, | |
765 | ||
766 | // Save control setting to cookie | |
767 | saveSetting(name) { | |
768 | const ctrl = document.getElementById('noVNC_setting_' + name); | |
769 | let val; | |
770 | if (ctrl.type === 'checkbox') { | |
771 | val = ctrl.checked; | |
772 | } else if (typeof ctrl.options !== 'undefined') { | |
773 | val = ctrl.options[ctrl.selectedIndex].value; | |
774 | } else { | |
775 | val = ctrl.value; | |
776 | } | |
777 | WebUtil.writeSetting(name, val); | |
778 | //Log.Debug("Setting saved '" + name + "=" + val + "'"); | |
779 | return val; | |
780 | }, | |
781 | ||
782 | // Read form control compatible setting from cookie | |
783 | getSetting(name) { | |
784 | const ctrl = document.getElementById('noVNC_setting_' + name); | |
785 | let val = WebUtil.readSetting(name); | |
786 | if (typeof val !== 'undefined' && val !== null && ctrl.type === 'checkbox') { | |
787 | if (val.toString().toLowerCase() in {'0':1, 'no':1, 'false':1}) { | |
788 | val = false; | |
789 | } else { | |
790 | val = true; | |
791 | } | |
792 | } | |
793 | return val; | |
794 | }, | |
795 | ||
796 | // These helpers compensate for the lack of parent-selectors and | |
797 | // previous-sibling-selectors in CSS which are needed when we want to | |
798 | // disable the labels that belong to disabled input elements. | |
799 | disableSetting(name) { | |
800 | const ctrl = document.getElementById('noVNC_setting_' + name); | |
801 | ctrl.disabled = true; | |
802 | ctrl.label.classList.add('noVNC_disabled'); | |
803 | }, | |
804 | ||
805 | enableSetting(name) { | |
806 | const ctrl = document.getElementById('noVNC_setting_' + name); | |
807 | ctrl.disabled = false; | |
808 | ctrl.label.classList.remove('noVNC_disabled'); | |
809 | }, | |
810 | ||
811 | /* ------^------- | |
812 | * /SETTINGS | |
813 | * ============== | |
814 | * PANELS | |
815 | * ------v------*/ | |
816 | ||
817 | closeAllPanels() { | |
818 | UI.closeSettingsPanel(); | |
819 | UI.closePowerPanel(); | |
820 | UI.closeClipboardPanel(); | |
821 | UI.closeExtraKeys(); | |
822 | }, | |
823 | ||
824 | /* ------^------- | |
825 | * /PANELS | |
826 | * ============== | |
827 | * SETTINGS (panel) | |
828 | * ------v------*/ | |
829 | ||
830 | openSettingsPanel() { | |
831 | UI.closeAllPanels(); | |
832 | UI.openControlbar(); | |
833 | ||
834 | // Refresh UI elements from saved cookies | |
835 | UI.updateSetting('encrypt'); | |
836 | UI.updateSetting('view_clip'); | |
837 | UI.updateSetting('resize'); | |
838 | UI.updateSetting('shared'); | |
839 | UI.updateSetting('view_only'); | |
840 | UI.updateSetting('path'); | |
841 | UI.updateSetting('repeaterID'); | |
842 | UI.updateSetting('logging'); | |
843 | UI.updateSetting('reconnect'); | |
844 | UI.updateSetting('reconnect_delay'); | |
845 | ||
846 | document.getElementById('noVNC_settings') | |
847 | .classList.add("noVNC_open"); | |
848 | document.getElementById('noVNC_settings_button') | |
849 | .classList.add("noVNC_selected"); | |
850 | }, | |
851 | ||
852 | closeSettingsPanel() { | |
853 | document.getElementById('noVNC_settings') | |
854 | .classList.remove("noVNC_open"); | |
855 | document.getElementById('noVNC_settings_button') | |
856 | .classList.remove("noVNC_selected"); | |
857 | }, | |
858 | ||
859 | toggleSettingsPanel() { | |
860 | if (document.getElementById('noVNC_settings') | |
861 | .classList.contains("noVNC_open")) { | |
862 | UI.closeSettingsPanel(); | |
863 | } else { | |
864 | UI.openSettingsPanel(); | |
865 | } | |
866 | }, | |
867 | ||
868 | /* ------^------- | |
869 | * /SETTINGS | |
870 | * ============== | |
871 | * POWER | |
872 | * ------v------*/ | |
873 | ||
874 | openPowerPanel() { | |
875 | UI.closeAllPanels(); | |
876 | UI.openControlbar(); | |
877 | ||
878 | document.getElementById('noVNC_power') | |
879 | .classList.add("noVNC_open"); | |
880 | document.getElementById('noVNC_power_button') | |
881 | .classList.add("noVNC_selected"); | |
882 | }, | |
883 | ||
884 | closePowerPanel() { | |
885 | document.getElementById('noVNC_power') | |
886 | .classList.remove("noVNC_open"); | |
887 | document.getElementById('noVNC_power_button') | |
888 | .classList.remove("noVNC_selected"); | |
889 | }, | |
890 | ||
891 | togglePowerPanel() { | |
892 | if (document.getElementById('noVNC_power') | |
893 | .classList.contains("noVNC_open")) { | |
894 | UI.closePowerPanel(); | |
895 | } else { | |
896 | UI.openPowerPanel(); | |
897 | } | |
898 | }, | |
899 | ||
900 | // Disable/enable power button | |
901 | updatePowerButton() { | |
902 | if (UI.connected && | |
903 | UI.rfb.capabilities.power && | |
904 | !UI.rfb.viewOnly) { | |
905 | document.getElementById('noVNC_power_button') | |
906 | .classList.remove("noVNC_hidden"); | |
907 | } else { | |
908 | document.getElementById('noVNC_power_button') | |
909 | .classList.add("noVNC_hidden"); | |
910 | // Close power panel if open | |
911 | UI.closePowerPanel(); | |
912 | } | |
913 | }, | |
914 | ||
915 | /* ------^------- | |
916 | * /POWER | |
917 | * ============== | |
918 | * CLIPBOARD | |
919 | * ------v------*/ | |
920 | ||
921 | openClipboardPanel() { | |
922 | UI.closeAllPanels(); | |
923 | UI.openControlbar(); | |
924 | ||
925 | document.getElementById('noVNC_clipboard') | |
926 | .classList.add("noVNC_open"); | |
927 | document.getElementById('noVNC_clipboard_button') | |
928 | .classList.add("noVNC_selected"); | |
929 | }, | |
930 | ||
931 | closeClipboardPanel() { | |
932 | document.getElementById('noVNC_clipboard') | |
933 | .classList.remove("noVNC_open"); | |
934 | document.getElementById('noVNC_clipboard_button') | |
935 | .classList.remove("noVNC_selected"); | |
936 | }, | |
937 | ||
938 | toggleClipboardPanel() { | |
939 | if (document.getElementById('noVNC_clipboard') | |
940 | .classList.contains("noVNC_open")) { | |
941 | UI.closeClipboardPanel(); | |
942 | } else { | |
943 | UI.openClipboardPanel(); | |
944 | } | |
945 | }, | |
946 | ||
947 | clipboardReceive(e) { | |
948 | Log.Debug(">> UI.clipboardReceive: " + e.detail.text.substr(0,40) + "..."); | |
949 | document.getElementById('noVNC_clipboard_text').value = e.detail.text; | |
950 | Log.Debug("<< UI.clipboardReceive"); | |
951 | }, | |
952 | ||
953 | clipboardClear() { | |
954 | document.getElementById('noVNC_clipboard_text').value = ""; | |
955 | UI.rfb.clipboardPasteFrom(""); | |
956 | }, | |
957 | ||
958 | clipboardSend() { | |
959 | const text = document.getElementById('noVNC_clipboard_text').value; | |
960 | Log.Debug(">> UI.clipboardSend: " + text.substr(0,40) + "..."); | |
961 | UI.rfb.clipboardPasteFrom(text); | |
962 | Log.Debug("<< UI.clipboardSend"); | |
963 | }, | |
964 | ||
965 | /* ------^------- | |
966 | * /CLIPBOARD | |
967 | * ============== | |
968 | * CONNECTION | |
969 | * ------v------*/ | |
970 | ||
971 | openConnectPanel() { | |
972 | document.getElementById('noVNC_connect_dlg') | |
973 | .classList.add("noVNC_open"); | |
974 | }, | |
975 | ||
976 | closeConnectPanel() { | |
977 | document.getElementById('noVNC_connect_dlg') | |
978 | .classList.remove("noVNC_open"); | |
979 | }, | |
980 | ||
981 | connect(event, password) { | |
982 | ||
983 | // Ignore when rfb already exists | |
984 | if (typeof UI.rfb !== 'undefined') { | |
985 | return; | |
986 | } | |
987 | ||
988 | const host = UI.getSetting('host'); | |
989 | const port = UI.getSetting('port'); | |
990 | const path = UI.getSetting('path'); | |
991 | ||
992 | if (typeof password === 'undefined') { | |
993 | password = WebUtil.getConfigVar('password'); | |
994 | UI.reconnect_password = password; | |
995 | } | |
996 | ||
997 | if (password === null) { | |
998 | password = undefined; | |
999 | } | |
1000 | ||
1001 | UI.hideStatus(); | |
1002 | ||
1003 | if (!host) { | |
1004 | Log.Error("Can't connect when host is: " + host); | |
1005 | UI.showStatus(_("Must set host"), 'error'); | |
1006 | return; | |
1007 | } | |
1008 | ||
1009 | UI.closeAllPanels(); | |
1010 | UI.closeConnectPanel(); | |
1011 | ||
1012 | UI.updateVisualState('connecting'); | |
1013 | ||
1014 | let url; | |
1015 | ||
1016 | url = UI.getSetting('encrypt') ? 'wss' : 'ws'; | |
1017 | ||
1018 | url += '://' + host; | |
1019 | if(port) { | |
1020 | url += ':' + port; | |
1021 | } | |
1022 | url += '/' + path; | |
1023 | ||
1024 | UI.rfb = new RFB(document.getElementById('noVNC_container'), url, | |
1025 | { shared: UI.getSetting('shared'), | |
1026 | repeaterID: UI.getSetting('repeaterID'), | |
1027 | credentials: { password: password } }); | |
1028 | UI.rfb.addEventListener("connect", UI.connectFinished); | |
1029 | UI.rfb.addEventListener("disconnect", UI.disconnectFinished); | |
1030 | UI.rfb.addEventListener("credentialsrequired", UI.credentials); | |
1031 | UI.rfb.addEventListener("securityfailure", UI.securityFailed); | |
1032 | UI.rfb.addEventListener("capabilities", function () { UI.updatePowerButton(); }); | |
1033 | UI.rfb.addEventListener("clipboard", UI.clipboardReceive); | |
1034 | UI.rfb.addEventListener("bell", UI.bell); | |
1035 | UI.rfb.addEventListener("desktopname", UI.updateDesktopName); | |
1036 | UI.rfb.clipViewport = UI.getSetting('view_clip'); | |
1037 | UI.rfb.scaleViewport = UI.getSetting('resize') === 'scale'; | |
1038 | UI.rfb.resizeSession = UI.getSetting('resize') === 'remote'; | |
1039 | ||
1040 | UI.updateViewOnly(); // requires UI.rfb | |
1041 | }, | |
1042 | ||
1043 | disconnect() { | |
1044 | UI.closeAllPanels(); | |
1045 | UI.rfb.disconnect(); | |
1046 | ||
1047 | UI.connected = false; | |
1048 | ||
1049 | // Disable automatic reconnecting | |
1050 | UI.inhibit_reconnect = true; | |
1051 | ||
1052 | UI.updateVisualState('disconnecting'); | |
1053 | ||
1054 | // Don't display the connection settings until we're actually disconnected | |
1055 | }, | |
1056 | ||
1057 | reconnect() { | |
1058 | UI.reconnect_callback = null; | |
1059 | ||
1060 | // if reconnect has been disabled in the meantime, do nothing. | |
1061 | if (UI.inhibit_reconnect) { | |
1062 | return; | |
1063 | } | |
1064 | ||
1065 | UI.connect(null, UI.reconnect_password); | |
1066 | }, | |
1067 | ||
1068 | cancelReconnect() { | |
1069 | if (UI.reconnect_callback !== null) { | |
1070 | clearTimeout(UI.reconnect_callback); | |
1071 | UI.reconnect_callback = null; | |
1072 | } | |
1073 | ||
1074 | UI.updateVisualState('disconnected'); | |
1075 | ||
1076 | UI.openControlbar(); | |
1077 | UI.openConnectPanel(); | |
1078 | }, | |
1079 | ||
1080 | connectFinished(e) { | |
1081 | UI.connected = true; | |
1082 | UI.inhibit_reconnect = false; | |
1083 | ||
1084 | let msg; | |
1085 | if (UI.getSetting('encrypt')) { | |
1086 | msg = _("Connected (encrypted) to ") + UI.desktopName; | |
1087 | } else { | |
1088 | msg = _("Connected (unencrypted) to ") + UI.desktopName; | |
1089 | } | |
1090 | UI.showStatus(msg); | |
1091 | UI.updateVisualState('connected'); | |
1092 | ||
1093 | // Do this last because it can only be used on rendered elements | |
1094 | UI.rfb.focus(); | |
1095 | }, | |
1096 | ||
1097 | disconnectFinished(e) { | |
1098 | const wasConnected = UI.connected; | |
1099 | ||
1100 | // This variable is ideally set when disconnection starts, but | |
1101 | // when the disconnection isn't clean or if it is initiated by | |
1102 | // the server, we need to do it here as well since | |
1103 | // UI.disconnect() won't be used in those cases. | |
1104 | UI.connected = false; | |
1105 | ||
1106 | UI.rfb = undefined; | |
1107 | ||
1108 | if (!e.detail.clean) { | |
1109 | UI.updateVisualState('disconnected'); | |
1110 | if (wasConnected) { | |
1111 | UI.showStatus(_("Something went wrong, connection is closed"), | |
1112 | 'error'); | |
1113 | } else { | |
1114 | UI.showStatus(_("Failed to connect to server"), 'error'); | |
1115 | } | |
1116 | } else if (UI.getSetting('reconnect', false) === true && !UI.inhibit_reconnect) { | |
1117 | UI.updateVisualState('reconnecting'); | |
1118 | ||
1119 | const delay = parseInt(UI.getSetting('reconnect_delay')); | |
1120 | UI.reconnect_callback = setTimeout(UI.reconnect, delay); | |
1121 | return; | |
1122 | } else { | |
1123 | UI.updateVisualState('disconnected'); | |
1124 | UI.showStatus(_("Disconnected"), 'normal'); | |
1125 | } | |
1126 | ||
1127 | UI.openControlbar(); | |
1128 | UI.openConnectPanel(); | |
1129 | }, | |
1130 | ||
1131 | securityFailed(e) { | |
1132 | let msg = ""; | |
1133 | // On security failures we might get a string with a reason | |
1134 | // directly from the server. Note that we can't control if | |
1135 | // this string is translated or not. | |
1136 | if ('reason' in e.detail) { | |
1137 | msg = _("New connection has been rejected with reason: ") + | |
1138 | e.detail.reason; | |
1139 | } else { | |
1140 | msg = _("New connection has been rejected"); | |
1141 | } | |
1142 | UI.showStatus(msg, 'error'); | |
1143 | }, | |
1144 | ||
1145 | /* ------^------- | |
1146 | * /CONNECTION | |
1147 | * ============== | |
1148 | * PASSWORD | |
1149 | * ------v------*/ | |
1150 | ||
1151 | credentials(e) { | |
1152 | // FIXME: handle more types | |
1153 | document.getElementById('noVNC_password_dlg') | |
1154 | .classList.add('noVNC_open'); | |
1155 | ||
1156 | setTimeout(function () { | |
1157 | document.getElementById('noVNC_password_input').focus(); | |
1158 | }, 100); | |
1159 | ||
1160 | Log.Warn("Server asked for a password"); | |
1161 | UI.showStatus(_("Password is required"), "warning"); | |
1162 | }, | |
1163 | ||
1164 | setPassword(e) { | |
1165 | // Prevent actually submitting the form | |
1166 | e.preventDefault(); | |
1167 | ||
1168 | const inputElem = document.getElementById('noVNC_password_input'); | |
1169 | const password = inputElem.value; | |
1170 | // Clear the input after reading the password | |
1171 | inputElem.value = ""; | |
1172 | UI.rfb.sendCredentials({ password: password }); | |
1173 | UI.reconnect_password = password; | |
1174 | document.getElementById('noVNC_password_dlg') | |
1175 | .classList.remove('noVNC_open'); | |
1176 | }, | |
1177 | ||
1178 | /* ------^------- | |
1179 | * /PASSWORD | |
1180 | * ============== | |
1181 | * FULLSCREEN | |
1182 | * ------v------*/ | |
1183 | ||
1184 | toggleFullscreen() { | |
1185 | if (document.fullscreenElement || // alternative standard method | |
1186 | document.mozFullScreenElement || // currently working methods | |
1187 | document.webkitFullscreenElement || | |
1188 | document.msFullscreenElement) { | |
1189 | if (document.exitFullscreen) { | |
1190 | document.exitFullscreen(); | |
1191 | } else if (document.mozCancelFullScreen) { | |
1192 | document.mozCancelFullScreen(); | |
1193 | } else if (document.webkitExitFullscreen) { | |
1194 | document.webkitExitFullscreen(); | |
1195 | } else if (document.msExitFullscreen) { | |
1196 | document.msExitFullscreen(); | |
1197 | } | |
1198 | } else { | |
1199 | if (document.documentElement.requestFullscreen) { | |
1200 | document.documentElement.requestFullscreen(); | |
1201 | } else if (document.documentElement.mozRequestFullScreen) { | |
1202 | document.documentElement.mozRequestFullScreen(); | |
1203 | } else if (document.documentElement.webkitRequestFullscreen) { | |
1204 | document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT); | |
1205 | } else if (document.body.msRequestFullscreen) { | |
1206 | document.body.msRequestFullscreen(); | |
1207 | } | |
1208 | } | |
1209 | UI.enableDisableViewClip(); | |
1210 | UI.updateFullscreenButton(); | |
1211 | }, | |
1212 | ||
1213 | updateFullscreenButton() { | |
1214 | if (document.fullscreenElement || // alternative standard method | |
1215 | document.mozFullScreenElement || // currently working methods | |
1216 | document.webkitFullscreenElement || | |
1217 | document.msFullscreenElement ) { | |
1218 | document.getElementById('noVNC_fullscreen_button') | |
1219 | .classList.add("noVNC_selected"); | |
1220 | } else { | |
1221 | document.getElementById('noVNC_fullscreen_button') | |
1222 | .classList.remove("noVNC_selected"); | |
1223 | } | |
1224 | }, | |
1225 | ||
1226 | /* ------^------- | |
1227 | * /FULLSCREEN | |
1228 | * ============== | |
1229 | * RESIZE | |
1230 | * ------v------*/ | |
1231 | ||
1232 | // Apply remote resizing or local scaling | |
1233 | applyResizeMode() { | |
1234 | if (!UI.rfb) return; | |
1235 | ||
1236 | UI.rfb.scaleViewport = UI.getSetting('resize') === 'scale'; | |
1237 | UI.rfb.resizeSession = UI.getSetting('resize') === 'remote'; | |
1238 | }, | |
1239 | ||
1240 | /* ------^------- | |
1241 | * /RESIZE | |
1242 | * ============== | |
1243 | * VIEW CLIPPING | |
1244 | * ------v------*/ | |
1245 | ||
1246 | // Update parameters that depend on the viewport clip setting | |
1247 | updateViewClip() { | |
1248 | if (!UI.rfb) return; | |
1249 | ||
1250 | const cur_clip = UI.rfb.clipViewport; | |
1251 | let new_clip = UI.getSetting('view_clip'); | |
1252 | ||
1253 | if (isTouchDevice) { | |
1254 | // Touch devices usually have shit scrollbars | |
1255 | new_clip = true; | |
1256 | } | |
1257 | ||
1258 | if (cur_clip !== new_clip) { | |
1259 | UI.rfb.clipViewport = new_clip; | |
1260 | } | |
1261 | ||
1262 | // Changing the viewport may change the state of | |
1263 | // the dragging button | |
1264 | UI.updateViewDrag(); | |
1265 | }, | |
1266 | ||
1267 | // Handle special cases where viewport clipping is locked | |
1268 | enableDisableViewClip() { | |
1269 | const resizeSetting = UI.getSetting('resize'); | |
1270 | if (isTouchDevice) { | |
1271 | UI.forceSetting('view_clip', true); | |
1272 | } else if (resizeSetting === 'scale') { | |
1273 | UI.disableSetting('view_clip'); | |
1274 | } else { | |
1275 | UI.enableSetting('view_clip'); | |
1276 | } | |
1277 | }, | |
1278 | ||
1279 | /* ------^------- | |
1280 | * /VIEW CLIPPING | |
1281 | * ============== | |
1282 | * VIEWDRAG | |
1283 | * ------v------*/ | |
1284 | ||
1285 | toggleViewDrag() { | |
1286 | if (!UI.rfb) return; | |
1287 | ||
1288 | const drag = UI.rfb.dragViewport; | |
1289 | UI.setViewDrag(!drag); | |
1290 | }, | |
1291 | ||
1292 | // Set the view drag mode which moves the viewport on mouse drags | |
1293 | setViewDrag(drag) { | |
1294 | if (!UI.rfb) return; | |
1295 | ||
1296 | UI.rfb.dragViewport = drag; | |
1297 | ||
1298 | UI.updateViewDrag(); | |
1299 | }, | |
1300 | ||
1301 | updateViewDrag() { | |
1302 | if (!UI.connected) return; | |
1303 | ||
1304 | const viewDragButton = document.getElementById('noVNC_view_drag_button'); | |
1305 | ||
1306 | if (!UI.rfb.clipViewport && UI.rfb.dragViewport) { | |
1307 | // We are no longer clipping the viewport. Make sure | |
1308 | // viewport drag isn't active when it can't be used. | |
1309 | UI.rfb.dragViewport = false; | |
1310 | } | |
1311 | ||
1312 | if (UI.rfb.dragViewport) { | |
1313 | viewDragButton.classList.add("noVNC_selected"); | |
1314 | } else { | |
1315 | viewDragButton.classList.remove("noVNC_selected"); | |
1316 | } | |
1317 | ||
1318 | // Different behaviour for touch vs non-touch | |
1319 | // The button is disabled instead of hidden on touch devices | |
1320 | if (isTouchDevice) { | |
1321 | viewDragButton.classList.remove("noVNC_hidden"); | |
1322 | ||
1323 | if (UI.rfb.clipViewport) { | |
1324 | viewDragButton.disabled = false; | |
1325 | } else { | |
1326 | viewDragButton.disabled = true; | |
1327 | } | |
1328 | } else { | |
1329 | viewDragButton.disabled = false; | |
1330 | ||
1331 | if (UI.rfb.clipViewport) { | |
1332 | viewDragButton.classList.remove("noVNC_hidden"); | |
1333 | } else { | |
1334 | viewDragButton.classList.add("noVNC_hidden"); | |
1335 | } | |
1336 | } | |
1337 | }, | |
1338 | ||
1339 | /* ------^------- | |
1340 | * /VIEWDRAG | |
1341 | * ============== | |
1342 | * KEYBOARD | |
1343 | * ------v------*/ | |
1344 | ||
1345 | showVirtualKeyboard() { | |
1346 | if (!isTouchDevice) return; | |
1347 | ||
1348 | const input = document.getElementById('noVNC_keyboardinput'); | |
1349 | ||
1350 | if (document.activeElement == input) return; | |
1351 | ||
1352 | input.focus(); | |
1353 | ||
1354 | try { | |
1355 | const l = input.value.length; | |
1356 | // Move the caret to the end | |
1357 | input.setSelectionRange(l, l); | |
1358 | } catch (err) { | |
1359 | // setSelectionRange is undefined in Google Chrome | |
1360 | } | |
1361 | }, | |
1362 | ||
1363 | hideVirtualKeyboard() { | |
1364 | if (!isTouchDevice) return; | |
1365 | ||
1366 | const input = document.getElementById('noVNC_keyboardinput'); | |
1367 | ||
1368 | if (document.activeElement != input) return; | |
1369 | ||
1370 | input.blur(); | |
1371 | }, | |
1372 | ||
1373 | toggleVirtualKeyboard() { | |
1374 | if (document.getElementById('noVNC_keyboard_button') | |
1375 | .classList.contains("noVNC_selected")) { | |
1376 | UI.hideVirtualKeyboard(); | |
1377 | } else { | |
1378 | UI.showVirtualKeyboard(); | |
1379 | } | |
1380 | }, | |
1381 | ||
1382 | onfocusVirtualKeyboard(event) { | |
1383 | document.getElementById('noVNC_keyboard_button') | |
1384 | .classList.add("noVNC_selected"); | |
1385 | if (UI.rfb) { | |
1386 | UI.rfb.focusOnClick = false; | |
1387 | } | |
1388 | }, | |
1389 | ||
1390 | onblurVirtualKeyboard(event) { | |
1391 | document.getElementById('noVNC_keyboard_button') | |
1392 | .classList.remove("noVNC_selected"); | |
1393 | if (UI.rfb) { | |
1394 | UI.rfb.focusOnClick = true; | |
1395 | } | |
1396 | }, | |
1397 | ||
1398 | keepVirtualKeyboard(event) { | |
1399 | const input = document.getElementById('noVNC_keyboardinput'); | |
1400 | ||
1401 | // Only prevent focus change if the virtual keyboard is active | |
1402 | if (document.activeElement != input) { | |
1403 | return; | |
1404 | } | |
1405 | ||
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) { | |
1410 | case 'text': | |
1411 | case 'email': | |
1412 | case 'search': | |
1413 | case 'password': | |
1414 | case 'tel': | |
1415 | case 'url': | |
1416 | case 'textarea': | |
1417 | case 'select-one': | |
1418 | case 'select-multiple': | |
1419 | return; | |
1420 | } | |
1421 | } | |
1422 | ||
1423 | event.preventDefault(); | |
1424 | }, | |
1425 | ||
1426 | keyboardinputReset() { | |
1427 | const kbi = document.getElementById('noVNC_keyboardinput'); | |
1428 | kbi.value = new Array(UI.defaultKeyboardinputLen).join("_"); | |
1429 | UI.lastKeyboardinput = kbi.value; | |
1430 | }, | |
1431 | ||
1432 | keyEvent(keysym, code, down) { | |
1433 | if (!UI.rfb) return; | |
1434 | ||
1435 | UI.rfb.sendKey(keysym, code, down); | |
1436 | }, | |
1437 | ||
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(event) { | |
1443 | ||
1444 | if (!UI.rfb) return; | |
1445 | ||
1446 | const newValue = event.target.value; | |
1447 | ||
1448 | if (!UI.lastKeyboardinput) { | |
1449 | UI.keyboardinputReset(); | |
1450 | } | |
1451 | const oldValue = UI.lastKeyboardinput; | |
1452 | ||
1453 | let newLen; | |
1454 | try { | |
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); | |
1458 | } catch (err) { | |
1459 | // selectionStart is undefined in Google Chrome | |
1460 | newLen = newValue.length; | |
1461 | } | |
1462 | const oldLen = oldValue.length; | |
1463 | ||
1464 | let inputs = newLen - oldLen; | |
1465 | let backspaces = inputs < 0 ? -inputs : 0; | |
1466 | ||
1467 | // Compare the old string with the new to account for | |
1468 | // text-corrections or other input that modify existing text | |
1469 | for (let i = 0; i < Math.min(oldLen, newLen); i++) { | |
1470 | if (newValue.charAt(i) != oldValue.charAt(i)) { | |
1471 | inputs = newLen - i; | |
1472 | backspaces = oldLen - i; | |
1473 | break; | |
1474 | } | |
1475 | } | |
1476 | ||
1477 | // Send the key events | |
1478 | for (let i = 0; i < backspaces; i++) { | |
1479 | UI.rfb.sendKey(KeyTable.XK_BackSpace, "Backspace"); | |
1480 | } | |
1481 | for (let i = newLen - inputs; i < newLen; i++) { | |
1482 | UI.rfb.sendKey(keysyms.lookup(newValue.charCodeAt(i))); | |
1483 | } | |
1484 | ||
1485 | // Control the text content length in the keyboardinput element | |
1486 | if (newLen > 2 * UI.defaultKeyboardinputLen) { | |
1487 | UI.keyboardinputReset(); | |
1488 | } else if (newLen < 1) { | |
1489 | // There always have to be some text in the keyboardinput | |
1490 | // element with which backspace can interact. | |
1491 | UI.keyboardinputReset(); | |
1492 | // This sometimes causes the keyboard to disappear for a second | |
1493 | // but it is required for the android keyboard to recognize that | |
1494 | // text has been added to the field | |
1495 | event.target.blur(); | |
1496 | // This has to be ran outside of the input handler in order to work | |
1497 | setTimeout(event.target.focus.bind(event.target), 0); | |
1498 | } else { | |
1499 | UI.lastKeyboardinput = newValue; | |
1500 | } | |
1501 | }, | |
1502 | ||
1503 | /* ------^------- | |
1504 | * /KEYBOARD | |
1505 | * ============== | |
1506 | * EXTRA KEYS | |
1507 | * ------v------*/ | |
1508 | ||
1509 | openExtraKeys() { | |
1510 | UI.closeAllPanels(); | |
1511 | UI.openControlbar(); | |
1512 | ||
1513 | document.getElementById('noVNC_modifiers') | |
1514 | .classList.add("noVNC_open"); | |
1515 | document.getElementById('noVNC_toggle_extra_keys_button') | |
1516 | .classList.add("noVNC_selected"); | |
1517 | }, | |
1518 | ||
1519 | closeExtraKeys() { | |
1520 | document.getElementById('noVNC_modifiers') | |
1521 | .classList.remove("noVNC_open"); | |
1522 | document.getElementById('noVNC_toggle_extra_keys_button') | |
1523 | .classList.remove("noVNC_selected"); | |
1524 | }, | |
1525 | ||
1526 | toggleExtraKeys() { | |
1527 | if(document.getElementById('noVNC_modifiers') | |
1528 | .classList.contains("noVNC_open")) { | |
1529 | UI.closeExtraKeys(); | |
1530 | } else { | |
1531 | UI.openExtraKeys(); | |
1532 | } | |
1533 | }, | |
1534 | ||
1535 | sendEsc() { | |
1536 | UI.rfb.sendKey(KeyTable.XK_Escape, "Escape"); | |
1537 | }, | |
1538 | ||
1539 | sendTab() { | |
1540 | UI.rfb.sendKey(KeyTable.XK_Tab); | |
1541 | }, | |
1542 | ||
1543 | toggleCtrl() { | |
1544 | const btn = document.getElementById('noVNC_toggle_ctrl_button'); | |
1545 | if (btn.classList.contains("noVNC_selected")) { | |
1546 | UI.rfb.sendKey(KeyTable.XK_Control_L, "ControlLeft", false); | |
1547 | btn.classList.remove("noVNC_selected"); | |
1548 | } else { | |
1549 | UI.rfb.sendKey(KeyTable.XK_Control_L, "ControlLeft", true); | |
1550 | btn.classList.add("noVNC_selected"); | |
1551 | } | |
1552 | }, | |
1553 | ||
1554 | toggleAlt() { | |
1555 | const btn = document.getElementById('noVNC_toggle_alt_button'); | |
1556 | if (btn.classList.contains("noVNC_selected")) { | |
1557 | UI.rfb.sendKey(KeyTable.XK_Alt_L, "AltLeft", false); | |
1558 | btn.classList.remove("noVNC_selected"); | |
1559 | } else { | |
1560 | UI.rfb.sendKey(KeyTable.XK_Alt_L, "AltLeft", true); | |
1561 | btn.classList.add("noVNC_selected"); | |
1562 | } | |
1563 | }, | |
1564 | ||
1565 | sendCtrlAltDel() { | |
1566 | UI.rfb.sendCtrlAltDel(); | |
1567 | }, | |
1568 | ||
1569 | /* ------^------- | |
1570 | * /EXTRA KEYS | |
1571 | * ============== | |
1572 | * MISC | |
1573 | * ------v------*/ | |
1574 | ||
1575 | setMouseButton(num) { | |
1576 | const view_only = UI.rfb.viewOnly; | |
1577 | if (UI.rfb && !view_only) { | |
1578 | UI.rfb.touchButton = num; | |
1579 | } | |
1580 | ||
1581 | const blist = [0, 1,2,4]; | |
1582 | for (let b = 0; b < blist.length; b++) { | |
1583 | const button = document.getElementById('noVNC_mouse_button' + | |
1584 | blist[b]); | |
1585 | if (blist[b] === num && !view_only) { | |
1586 | button.classList.remove("noVNC_hidden"); | |
1587 | } else { | |
1588 | button.classList.add("noVNC_hidden"); | |
1589 | } | |
1590 | } | |
1591 | }, | |
1592 | ||
1593 | updateViewOnly() { | |
1594 | if (!UI.rfb) return; | |
1595 | UI.rfb.viewOnly = UI.getSetting('view_only'); | |
1596 | ||
1597 | // Hide input related buttons in view only mode | |
1598 | if (UI.rfb.viewOnly) { | |
1599 | document.getElementById('noVNC_keyboard_button') | |
1600 | .classList.add('noVNC_hidden'); | |
1601 | document.getElementById('noVNC_toggle_extra_keys_button') | |
1602 | .classList.add('noVNC_hidden'); | |
1603 | } else { | |
1604 | document.getElementById('noVNC_keyboard_button') | |
1605 | .classList.remove('noVNC_hidden'); | |
1606 | document.getElementById('noVNC_toggle_extra_keys_button') | |
1607 | .classList.remove('noVNC_hidden'); | |
1608 | } | |
1609 | UI.setMouseButton(1); //has it's own logic for hiding/showing | |
1610 | }, | |
1611 | ||
1612 | updateLogging() { | |
1613 | WebUtil.init_logging(UI.getSetting('logging')); | |
1614 | }, | |
1615 | ||
1616 | updateDesktopName(e) { | |
1617 | UI.desktopName = e.detail.name; | |
1618 | // Display the desktop name in the document title | |
1619 | document.title = e.detail.name + " - noVNC"; | |
1620 | }, | |
1621 | ||
1622 | bell(e) { | |
1623 | if (WebUtil.getConfigVar('bell', 'on') === 'on') { | |
1624 | const promise = document.getElementById('noVNC_bell').play(); | |
1625 | // The standards disagree on the return value here | |
1626 | if (promise) { | |
1627 | promise.catch(function(e) { | |
1628 | if (e.name === "NotAllowedError") { | |
1629 | // Ignore when the browser doesn't let us play audio. | |
1630 | // It is common that the browsers require audio to be | |
1631 | // initiated from a user action. | |
1632 | } else { | |
1633 | Log.Error("Unable to play bell: " + e); | |
1634 | } | |
1635 | }); | |
1636 | } | |
1637 | } | |
1638 | }, | |
1639 | ||
1640 | //Helper to add options to dropdown. | |
1641 | addOption(selectbox, text, value) { | |
1642 | const optn = document.createElement("OPTION"); | |
1643 | optn.text = text; | |
1644 | optn.value = value; | |
1645 | selectbox.options.add(optn); | |
1646 | }, | |
1647 | ||
1648 | /* ------^------- | |
1649 | * /MISC | |
1650 | * ============== | |
1651 | */ | |
1652 | }; | |
1653 | ||
1654 | // Set up translations | |
1655 | const LINGUAS = ["de", "el", "es", "nl", "pl", "sv", "tr", "zh_CN", "zh_TW"]; | |
1656 | l10n.setup(LINGUAS); | |
1657 | if (l10n.language !== "en" && l10n.dictionary === undefined) { | |
1658 | WebUtil.fetchJSON('app/locale/' + l10n.language + '.json', function (translations) { | |
1659 | l10n.dictionary = translations; | |
1660 | ||
1661 | // wait for translations to load before loading the UI | |
1662 | UI.prime(); | |
1663 | }, function (err) { | |
1664 | Log.Error("Failed to load translations: " + err); | |
1665 | UI.prime(); | |
1666 | }); | |
1667 | } else { | |
1668 | UI.prime(); | |
1669 | } | |
1670 | ||
1671 | export default UI; |