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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 | /* [module] | |
15 | * import Util from "../core/util"; | |
16 | * import KeyTable from "../core/input/keysym"; | |
17 | * import keysyms from "./keysymdef"; | |
18 | * import RFB from "../core/rfb"; | |
19 | * import Display from "../core/display"; | |
20 | * import WebUtil from "./webutil"; | |
21 | */ | |
22 | ||
23 | var UI; | |
24 | ||
25 | (function () { | |
26 | "use strict"; | |
27 | ||
28 | // Fallback for all uncought errors | |
29 | window.addEventListener('error', function(event) { | |
30 | try { | |
31 | var msg, div, text; | |
32 | ||
33 | msg = document.getElementById('noVNC_fallback_errormsg'); | |
34 | ||
35 | // Only show the initial error | |
36 | if (msg.hasChildNodes()) { | |
37 | return false; | |
38 | } | |
39 | ||
40 | div = document.createElement("div"); | |
41 | div.appendChild(document.createTextNode(event.message)); | |
42 | msg.appendChild(div); | |
43 | ||
44 | div = document.createElement("div"); | |
45 | div.className = 'noVNC_location'; | |
46 | text = event.filename + ":" + event.lineno + ":" + event.colno; | |
47 | div.appendChild(document.createTextNode(text)); | |
48 | msg.appendChild(div); | |
49 | ||
50 | if ((event.error !== undefined) && | |
51 | (event.error.stack !== undefined)) { | |
52 | div = document.createElement("div"); | |
53 | div.className = 'noVNC_stack'; | |
54 | div.appendChild(document.createTextNode(event.error.stack)); | |
55 | msg.appendChild(div); | |
56 | } | |
57 | ||
58 | document.getElementById('noVNC_fallback_error') | |
59 | .classList.add("noVNC_open"); | |
60 | } catch (exc) { | |
61 | document.write("noVNC encountered an error."); | |
62 | } | |
63 | // Don't return true since this would prevent the error | |
64 | // from being printed to the browser console. | |
65 | return false; | |
66 | }); | |
67 | ||
68 | // Set up translations | |
69 | var LINGUAS = ["de", "el", "nl", "sv"]; | |
70 | Util.Localisation.setup(LINGUAS); | |
71 | if (Util.Localisation.language !== "en") { | |
72 | WebUtil.load_scripts( | |
73 | {'app': ["locale/" + Util.Localisation.language + ".js"]}); | |
74 | } | |
75 | ||
76 | /* [begin skip-as-module] */ | |
77 | // Load supporting scripts | |
78 | WebUtil.load_scripts( | |
79 | {'core': ["base64.js", "websock.js", "des.js", "input/keysymdef.js", | |
80 | "input/xtscancodes.js", "input/util.js", "input/devices.js", | |
81 | "display.js", "inflator.js", "rfb.js", "input/keysym.js"]}); | |
82 | ||
83 | window.onscriptsload = function () { UI.load(); }; | |
84 | /* [end skip-as-module] */ | |
85 | ||
86 | var _ = Util.Localisation.get; | |
87 | ||
88 | UI = { | |
89 | ||
90 | connected: false, | |
91 | desktopName: "", | |
92 | ||
93 | resizeTimeout: null, | |
94 | statusTimeout: null, | |
95 | hideKeyboardTimeout: null, | |
96 | idleControlbarTimeout: null, | |
97 | closeControlbarTimeout: null, | |
98 | ||
99 | controlbarGrabbed: false, | |
100 | controlbarDrag: false, | |
101 | controlbarMouseDownClientY: 0, | |
102 | controlbarMouseDownOffsetY: 0, | |
103 | ||
104 | isSafari: false, | |
105 | rememberedClipSetting: null, | |
106 | lastKeyboardinput: null, | |
107 | defaultKeyboardinputLen: 100, | |
108 | ||
109 | inhibit_reconnect: true, | |
110 | reconnect_callback: null, | |
111 | reconnect_password: null, | |
112 | ||
113 | // Setup rfb object, load settings from browser storage, then call | |
114 | // UI.init to setup the UI/menus | |
115 | load: function(callback) { | |
116 | WebUtil.initSettings(UI.start, callback); | |
117 | }, | |
118 | ||
119 | // Render default UI and initialize settings menu | |
120 | start: function(callback) { | |
121 | ||
122 | // Setup global variables first | |
123 | UI.isSafari = (navigator.userAgent.indexOf('Safari') !== -1 && | |
124 | navigator.userAgent.indexOf('Chrome') === -1); | |
125 | ||
126 | UI.initSettings(); | |
127 | ||
128 | // Translate the DOM | |
129 | Util.Localisation.translateDOM(); | |
130 | ||
131 | // Adapt the interface for touch screen devices | |
132 | if (Util.isTouchDevice) { | |
133 | document.documentElement.classList.add("noVNC_touch"); | |
134 | // Remove the address bar | |
135 | setTimeout(function() { window.scrollTo(0, 1); }, 100); | |
136 | } | |
137 | ||
138 | // Restore control bar position | |
139 | if (WebUtil.readSetting('controlbar_pos') === 'right') { | |
140 | UI.toggleControlbarSide(); | |
141 | } | |
142 | ||
143 | UI.initFullscreen(); | |
144 | ||
145 | // Setup event handlers | |
146 | UI.addResizeHandlers(); | |
147 | UI.addControlbarHandlers(); | |
148 | UI.addTouchSpecificHandlers(); | |
149 | UI.addExtraKeysHandlers(); | |
150 | UI.addXvpHandlers(); | |
151 | UI.addConnectionControlHandlers(); | |
152 | UI.addClipboardHandlers(); | |
153 | UI.addSettingsHandlers(); | |
154 | document.getElementById("noVNC_status") | |
155 | .addEventListener('click', UI.hideStatus); | |
156 | ||
157 | UI.openControlbar(); | |
158 | ||
159 | // Show the connect panel on first load unless autoconnecting | |
160 | if (!autoconnect) { | |
161 | UI.openConnectPanel(); | |
162 | } | |
163 | ||
164 | UI.updateViewClip(); | |
165 | ||
166 | UI.updateVisualState(); | |
167 | ||
168 | document.getElementById('noVNC_setting_host').focus(); | |
169 | ||
170 | var autoconnect = WebUtil.getConfigVar('autoconnect', false); | |
171 | if (autoconnect === 'true' || autoconnect == '1') { | |
172 | autoconnect = true; | |
173 | UI.connect(); | |
174 | } else { | |
175 | autoconnect = false; | |
176 | } | |
177 | ||
178 | if (typeof callback === "function") { | |
179 | callback(UI.rfb); | |
180 | } | |
181 | }, | |
182 | ||
183 | initFullscreen: function() { | |
184 | // Only show the button if fullscreen is properly supported | |
185 | // * Safari doesn't support alphanumerical input while in fullscreen | |
186 | if (!UI.isSafari && | |
187 | (document.documentElement.requestFullscreen || | |
188 | document.documentElement.mozRequestFullScreen || | |
189 | document.documentElement.webkitRequestFullscreen || | |
190 | document.body.msRequestFullscreen)) { | |
191 | document.getElementById('noVNC_fullscreen_button') | |
192 | .classList.remove("noVNC_hidden"); | |
193 | UI.addFullscreenHandlers(); | |
194 | } | |
195 | }, | |
196 | ||
197 | initSettings: function() { | |
198 | var i; | |
199 | ||
200 | // Logging selection dropdown | |
201 | var llevels = ['error', 'warn', 'info', 'debug']; | |
202 | for (i = 0; i < llevels.length; i += 1) { | |
203 | UI.addOption(document.getElementById('noVNC_setting_logging'),llevels[i], llevels[i]); | |
204 | } | |
205 | ||
206 | // Settings with immediate effects | |
207 | UI.initSetting('logging', 'warn'); | |
208 | UI.updateLogging(); | |
209 | ||
210 | // if port == 80 (or 443) then it won't be present and should be | |
211 | // set manually | |
212 | var port = window.location.port; | |
213 | if (!port) { | |
214 | if (window.location.protocol.substring(0,5) == 'https') { | |
215 | port = 443; | |
216 | } | |
217 | else if (window.location.protocol.substring(0,4) == 'http') { | |
218 | port = 80; | |
219 | } | |
220 | } | |
221 | ||
222 | /* Populate the controls if defaults are provided in the URL */ | |
223 | UI.initSetting('host', window.location.hostname); | |
224 | UI.initSetting('port', port); | |
225 | UI.initSetting('encrypt', (window.location.protocol === "https:")); | |
226 | UI.initSetting('true_color', true); | |
227 | UI.initSetting('cursor', !Util.isTouchDevice); | |
228 | UI.initSetting('clip', false); | |
229 | UI.initSetting('resize', 'off'); | |
230 | UI.initSetting('shared', true); | |
231 | UI.initSetting('view_only', false); | |
232 | UI.initSetting('path', 'websockify'); | |
233 | UI.initSetting('repeaterID', ''); | |
234 | UI.initSetting('reconnect', false); | |
235 | UI.initSetting('reconnect_delay', 5000); | |
236 | }, | |
237 | ||
238 | initRFB: function() { | |
239 | try { | |
240 | UI.rfb = new RFB({'target': document.getElementById('noVNC_canvas'), | |
241 | 'onNotification': UI.notification, | |
242 | 'onUpdateState': UI.updateState, | |
243 | 'onDisconnected': UI.disconnectFinished, | |
244 | 'onPasswordRequired': UI.passwordRequired, | |
245 | 'onXvpInit': UI.updateXvpButton, | |
246 | 'onClipboard': UI.clipboardReceive, | |
247 | 'onBell': UI.bell, | |
248 | 'onFBUComplete': UI.initialResize, | |
249 | 'onFBResize': UI.updateSessionSize, | |
250 | 'onDesktopName': UI.updateDesktopName}); | |
251 | return true; | |
252 | } catch (exc) { | |
253 | var msg = "Unable to create RFB client -- " + exc; | |
254 | Util.Error(msg); | |
255 | UI.showStatus(msg, 'error'); | |
256 | return false; | |
257 | } | |
258 | }, | |
259 | ||
260 | /* ------^------- | |
261 | * /INIT | |
262 | * ============== | |
263 | * EVENT HANDLERS | |
264 | * ------v------*/ | |
265 | ||
266 | addResizeHandlers: function() { | |
267 | window.addEventListener('resize', UI.applyResizeMode); | |
268 | window.addEventListener('resize', UI.updateViewClip); | |
269 | }, | |
270 | ||
271 | addControlbarHandlers: function() { | |
272 | document.getElementById("noVNC_control_bar") | |
273 | .addEventListener('mousemove', UI.activateControlbar); | |
274 | document.getElementById("noVNC_control_bar") | |
275 | .addEventListener('mouseup', UI.activateControlbar); | |
276 | document.getElementById("noVNC_control_bar") | |
277 | .addEventListener('mousedown', UI.activateControlbar); | |
278 | document.getElementById("noVNC_control_bar") | |
279 | .addEventListener('keypress', UI.activateControlbar); | |
280 | ||
281 | document.getElementById("noVNC_control_bar") | |
282 | .addEventListener('mousedown', UI.keepControlbar); | |
283 | document.getElementById("noVNC_control_bar") | |
284 | .addEventListener('keypress', UI.keepControlbar); | |
285 | ||
286 | document.getElementById("noVNC_view_drag_button") | |
287 | .addEventListener('click', UI.toggleViewDrag); | |
288 | ||
289 | document.getElementById("noVNC_control_bar_handle") | |
290 | .addEventListener('mousedown', UI.controlbarHandleMouseDown); | |
291 | document.getElementById("noVNC_control_bar_handle") | |
292 | .addEventListener('mouseup', UI.controlbarHandleMouseUp); | |
293 | document.getElementById("noVNC_control_bar_handle") | |
294 | .addEventListener('mousemove', UI.dragControlbarHandle); | |
295 | // resize events aren't available for elements | |
296 | window.addEventListener('resize', UI.updateControlbarHandle); | |
297 | ||
298 | var exps = document.getElementsByClassName("noVNC_expander"); | |
299 | for (var i = 0;i < exps.length;i++) { | |
300 | exps[i].addEventListener('click', UI.toggleExpander); | |
301 | } | |
302 | }, | |
303 | ||
304 | addTouchSpecificHandlers: function() { | |
305 | document.getElementById("noVNC_mouse_button0") | |
306 | .addEventListener('click', function () { UI.setMouseButton(1); }); | |
307 | document.getElementById("noVNC_mouse_button1") | |
308 | .addEventListener('click', function () { UI.setMouseButton(2); }); | |
309 | document.getElementById("noVNC_mouse_button2") | |
310 | .addEventListener('click', function () { UI.setMouseButton(4); }); | |
311 | document.getElementById("noVNC_mouse_button4") | |
312 | .addEventListener('click', function () { UI.setMouseButton(0); }); | |
313 | document.getElementById("noVNC_keyboard_button") | |
314 | .addEventListener('click', UI.toggleVirtualKeyboard); | |
315 | ||
316 | document.getElementById("noVNC_keyboardinput") | |
317 | .addEventListener('input', UI.keyInput); | |
318 | document.getElementById("noVNC_keyboardinput") | |
319 | .addEventListener('focus', UI.onfocusVirtualKeyboard); | |
320 | document.getElementById("noVNC_keyboardinput") | |
321 | .addEventListener('blur', UI.onblurVirtualKeyboard); | |
322 | document.getElementById("noVNC_keyboardinput") | |
323 | .addEventListener('submit', function () { return false; }); | |
324 | ||
325 | document.documentElement | |
326 | .addEventListener('mousedown', UI.keepVirtualKeyboard, true); | |
327 | ||
328 | document.getElementById("noVNC_control_bar") | |
329 | .addEventListener('touchstart', UI.activateControlbar); | |
330 | document.getElementById("noVNC_control_bar") | |
331 | .addEventListener('touchmove', UI.activateControlbar); | |
332 | document.getElementById("noVNC_control_bar") | |
333 | .addEventListener('touchend', UI.activateControlbar); | |
334 | document.getElementById("noVNC_control_bar") | |
335 | .addEventListener('input', UI.activateControlbar); | |
336 | ||
337 | document.getElementById("noVNC_control_bar") | |
338 | .addEventListener('touchstart', UI.keepControlbar); | |
339 | document.getElementById("noVNC_control_bar") | |
340 | .addEventListener('input', UI.keepControlbar); | |
341 | ||
342 | document.getElementById("noVNC_control_bar_handle") | |
343 | .addEventListener('touchstart', UI.controlbarHandleMouseDown); | |
344 | document.getElementById("noVNC_control_bar_handle") | |
345 | .addEventListener('touchend', UI.controlbarHandleMouseUp); | |
346 | document.getElementById("noVNC_control_bar_handle") | |
347 | .addEventListener('touchmove', UI.dragControlbarHandle); | |
348 | ||
349 | window.addEventListener('load', UI.keyboardinputReset); | |
350 | }, | |
351 | ||
352 | addExtraKeysHandlers: function() { | |
353 | document.getElementById("noVNC_toggle_extra_keys_button") | |
354 | .addEventListener('click', UI.toggleExtraKeys); | |
355 | document.getElementById("noVNC_toggle_ctrl_button") | |
356 | .addEventListener('click', UI.toggleCtrl); | |
357 | document.getElementById("noVNC_toggle_alt_button") | |
358 | .addEventListener('click', UI.toggleAlt); | |
359 | document.getElementById("noVNC_send_tab_button") | |
360 | .addEventListener('click', UI.sendTab); | |
361 | document.getElementById("noVNC_send_esc_button") | |
362 | .addEventListener('click', UI.sendEsc); | |
363 | document.getElementById("noVNC_send_ctrl_alt_del_button") | |
364 | .addEventListener('click', UI.sendCtrlAltDel); | |
365 | }, | |
366 | ||
367 | addXvpHandlers: function() { | |
368 | document.getElementById("noVNC_xvp_shutdown_button") | |
369 | .addEventListener('click', function() { UI.rfb.xvpShutdown(); }); | |
370 | document.getElementById("noVNC_xvp_reboot_button") | |
371 | .addEventListener('click', function() { UI.rfb.xvpReboot(); }); | |
372 | document.getElementById("noVNC_xvp_reset_button") | |
373 | .addEventListener('click', function() { UI.rfb.xvpReset(); }); | |
374 | document.getElementById("noVNC_xvp_button") | |
375 | .addEventListener('click', UI.toggleXvpPanel); | |
376 | }, | |
377 | ||
378 | addConnectionControlHandlers: function() { | |
379 | document.getElementById("noVNC_disconnect_button") | |
380 | .addEventListener('click', UI.disconnect); | |
381 | document.getElementById("noVNC_connect_button") | |
382 | .addEventListener('click', UI.connect); | |
383 | document.getElementById("noVNC_cancel_reconnect_button") | |
384 | .addEventListener('click', UI.cancelReconnect); | |
385 | ||
386 | document.getElementById("noVNC_password_button") | |
387 | .addEventListener('click', UI.setPassword); | |
388 | }, | |
389 | ||
390 | addClipboardHandlers: function() { | |
391 | document.getElementById("noVNC_clipboard_button") | |
392 | .addEventListener('click', UI.toggleClipboardPanel); | |
393 | document.getElementById("noVNC_clipboard_text") | |
394 | .addEventListener('focus', UI.displayBlur); | |
395 | document.getElementById("noVNC_clipboard_text") | |
396 | .addEventListener('blur', UI.displayFocus); | |
397 | document.getElementById("noVNC_clipboard_text") | |
398 | .addEventListener('change', UI.clipboardSend); | |
399 | document.getElementById("noVNC_clipboard_clear_button") | |
400 | .addEventListener('click', UI.clipboardClear); | |
401 | }, | |
402 | ||
403 | // Add a call to save settings when the element changes, | |
404 | // unless the optional parameter changeFunc is used instead. | |
405 | addSettingChangeHandler: function(name, changeFunc) { | |
406 | var settingElem = document.getElementById("noVNC_setting_" + name); | |
407 | if (changeFunc === undefined) { | |
408 | changeFunc = function () { UI.saveSetting(name); }; | |
409 | } | |
410 | settingElem.addEventListener('change', changeFunc); | |
411 | }, | |
412 | ||
413 | addSettingsHandlers: function() { | |
414 | document.getElementById("noVNC_settings_button") | |
415 | .addEventListener('click', UI.toggleSettingsPanel); | |
416 | ||
417 | UI.addSettingChangeHandler('encrypt'); | |
418 | UI.addSettingChangeHandler('true_color'); | |
419 | UI.addSettingChangeHandler('cursor'); | |
420 | UI.addSettingChangeHandler('resize'); | |
421 | UI.addSettingChangeHandler('resize', UI.enableDisableViewClip); | |
422 | UI.addSettingChangeHandler('resize', UI.applyResizeMode); | |
423 | UI.addSettingChangeHandler('clip'); | |
424 | UI.addSettingChangeHandler('clip', UI.updateViewClip); | |
425 | UI.addSettingChangeHandler('shared'); | |
426 | UI.addSettingChangeHandler('view_only'); | |
427 | UI.addSettingChangeHandler('host'); | |
428 | UI.addSettingChangeHandler('port'); | |
429 | UI.addSettingChangeHandler('path'); | |
430 | UI.addSettingChangeHandler('repeaterID'); | |
431 | UI.addSettingChangeHandler('logging'); | |
432 | UI.addSettingChangeHandler('logging', UI.updateLogging); | |
433 | UI.addSettingChangeHandler('reconnect'); | |
434 | UI.addSettingChangeHandler('reconnect_delay'); | |
435 | }, | |
436 | ||
437 | addFullscreenHandlers: function() { | |
438 | document.getElementById("noVNC_fullscreen_button") | |
439 | .addEventListener('click', UI.toggleFullscreen); | |
440 | ||
441 | window.addEventListener('fullscreenchange', UI.updateFullscreenButton); | |
442 | window.addEventListener('mozfullscreenchange', UI.updateFullscreenButton); | |
443 | window.addEventListener('webkitfullscreenchange', UI.updateFullscreenButton); | |
444 | window.addEventListener('msfullscreenchange', UI.updateFullscreenButton); | |
445 | }, | |
446 | ||
447 | /* ------^------- | |
448 | * /EVENT HANDLERS | |
449 | * ============== | |
450 | * VISUAL | |
451 | * ------v------*/ | |
452 | ||
453 | updateState: function(rfb, state, oldstate) { | |
454 | var msg; | |
455 | ||
456 | document.documentElement.classList.remove("noVNC_connecting"); | |
457 | document.documentElement.classList.remove("noVNC_connected"); | |
458 | document.documentElement.classList.remove("noVNC_disconnecting"); | |
459 | document.documentElement.classList.remove("noVNC_reconnecting"); | |
460 | ||
461 | switch (state) { | |
462 | case 'connecting': | |
463 | document.getElementById("noVNC_transition_text").textContent = _("Connecting..."); | |
464 | document.documentElement.classList.add("noVNC_connecting"); | |
465 | break; | |
466 | case 'connected': | |
467 | UI.connected = true; | |
468 | UI.inhibit_reconnect = false; | |
469 | document.documentElement.classList.add("noVNC_connected"); | |
470 | if (rfb && rfb.get_encrypt()) { | |
471 | msg = _("Connected (encrypted) to ") + UI.desktopName; | |
472 | } else { | |
473 | msg = _("Connected (unencrypted) to ") + UI.desktopName; | |
474 | } | |
475 | UI.showStatus(msg); | |
476 | break; | |
477 | case 'disconnecting': | |
478 | UI.connected = false; | |
479 | document.getElementById("noVNC_transition_text").textContent = _("Disconnecting..."); | |
480 | document.documentElement.classList.add("noVNC_disconnecting"); | |
481 | break; | |
482 | case 'disconnected': | |
483 | UI.showStatus(_("Disconnected")); | |
484 | break; | |
485 | default: | |
486 | msg = "Invalid UI state"; | |
487 | Util.Error(msg); | |
488 | UI.showStatus(msg, 'error'); | |
489 | break; | |
490 | } | |
491 | ||
492 | UI.updateVisualState(); | |
493 | }, | |
494 | ||
495 | // Disable/enable controls depending on connection state | |
496 | updateVisualState: function() { | |
497 | //Util.Debug(">> updateVisualState"); | |
498 | document.getElementById('noVNC_setting_encrypt').disabled = UI.connected; | |
499 | document.getElementById('noVNC_setting_true_color').disabled = UI.connected; | |
500 | if (Util.browserSupportsCursorURIs()) { | |
501 | document.getElementById('noVNC_setting_cursor').disabled = UI.connected; | |
502 | } else { | |
503 | UI.updateSetting('cursor', !Util.isTouchDevice); | |
504 | document.getElementById('noVNC_setting_cursor').disabled = true; | |
505 | } | |
506 | ||
507 | UI.enableDisableViewClip(); | |
508 | document.getElementById('noVNC_setting_shared').disabled = UI.connected; | |
509 | document.getElementById('noVNC_setting_view_only').disabled = UI.connected; | |
510 | document.getElementById('noVNC_setting_host').disabled = UI.connected; | |
511 | document.getElementById('noVNC_setting_port').disabled = UI.connected; | |
512 | document.getElementById('noVNC_setting_path').disabled = UI.connected; | |
513 | document.getElementById('noVNC_setting_repeaterID').disabled = UI.connected; | |
514 | document.getElementById('noVNC_setting_reconnect').disabled = UI.connected; | |
515 | document.getElementById('noVNC_setting_reconnect_delay').disabled = UI.connected; | |
516 | ||
517 | if (UI.connected) { | |
518 | UI.updateViewClip(); | |
519 | UI.setMouseButton(1); | |
520 | ||
521 | // Hide the controlbar after 2 seconds | |
522 | UI.closeControlbarTimeout = setTimeout(UI.closeControlbar, 2000); | |
523 | } else { | |
524 | UI.updateXvpButton(0); | |
525 | UI.keepControlbar(); | |
526 | } | |
527 | ||
528 | // Hide input related buttons in view only mode | |
529 | if (UI.rfb && UI.rfb.get_view_only()) { | |
530 | document.getElementById('noVNC_keyboard_button') | |
531 | .classList.add('noVNC_hidden'); | |
532 | document.getElementById('noVNC_toggle_extra_keys_button') | |
533 | .classList.add('noVNC_hidden'); | |
534 | } else { | |
535 | document.getElementById('noVNC_keyboard_button') | |
536 | .classList.remove('noVNC_hidden'); | |
537 | document.getElementById('noVNC_toggle_extra_keys_button') | |
538 | .classList.remove('noVNC_hidden'); | |
539 | } | |
540 | ||
541 | // State change disables viewport dragging. | |
542 | // It is enabled (toggled) by direct click on the button | |
543 | UI.setViewDrag(false); | |
544 | ||
545 | // State change also closes the password dialog | |
546 | document.getElementById('noVNC_password_dlg') | |
547 | .classList.remove('noVNC_open'); | |
548 | ||
549 | //Util.Debug("<< updateVisualState"); | |
550 | }, | |
551 | ||
552 | showStatus: function(text, status_type, time) { | |
553 | var statusElem = document.getElementById('noVNC_status'); | |
554 | ||
555 | clearTimeout(UI.statusTimeout); | |
556 | ||
557 | if (typeof status_type === 'undefined') { | |
558 | status_type = 'normal'; | |
559 | } | |
560 | ||
561 | statusElem.classList.remove("noVNC_status_normal"); | |
562 | statusElem.classList.remove("noVNC_status_warn"); | |
563 | statusElem.classList.remove("noVNC_status_error"); | |
564 | ||
565 | switch (status_type) { | |
566 | case 'warning': | |
567 | case 'warn': | |
568 | statusElem.classList.add("noVNC_status_warn"); | |
569 | break; | |
570 | case 'error': | |
571 | statusElem.classList.add("noVNC_status_error"); | |
572 | break; | |
573 | case 'normal': | |
574 | case 'info': | |
575 | default: | |
576 | statusElem.classList.add("noVNC_status_normal"); | |
577 | break; | |
578 | } | |
579 | ||
580 | statusElem.textContent = text; | |
581 | statusElem.classList.add("noVNC_open"); | |
582 | ||
583 | // If no time was specified, show the status for 1.5 seconds | |
584 | if (typeof time === 'undefined') { | |
585 | time = 1500; | |
586 | } | |
587 | ||
588 | // Error messages do not timeout | |
589 | if (status_type !== 'error') { | |
590 | UI.statusTimeout = window.setTimeout(UI.hideStatus, time); | |
591 | } | |
592 | }, | |
593 | ||
594 | hideStatus: function() { | |
595 | clearTimeout(UI.statusTimeout); | |
596 | document.getElementById('noVNC_status').classList.remove("noVNC_open"); | |
597 | }, | |
598 | ||
599 | notification: function (rfb, msg, level, options) { | |
600 | UI.showStatus(msg, level); | |
601 | }, | |
602 | ||
603 | activateControlbar: function(event) { | |
604 | clearTimeout(UI.idleControlbarTimeout); | |
605 | // We manipulate the anchor instead of the actual control | |
606 | // bar in order to avoid creating new a stacking group | |
607 | document.getElementById('noVNC_control_bar_anchor') | |
608 | .classList.remove("noVNC_idle"); | |
609 | UI.idleControlbarTimeout = window.setTimeout(UI.idleControlbar, 2000); | |
610 | }, | |
611 | ||
612 | idleControlbar: function() { | |
613 | document.getElementById('noVNC_control_bar_anchor') | |
614 | .classList.add("noVNC_idle"); | |
615 | }, | |
616 | ||
617 | keepControlbar: function() { | |
618 | clearTimeout(UI.closeControlbarTimeout); | |
619 | }, | |
620 | ||
621 | openControlbar: function() { | |
622 | document.getElementById('noVNC_control_bar') | |
623 | .classList.add("noVNC_open"); | |
624 | }, | |
625 | ||
626 | closeControlbar: function() { | |
627 | UI.closeAllPanels(); | |
628 | document.getElementById('noVNC_control_bar') | |
629 | .classList.remove("noVNC_open"); | |
630 | }, | |
631 | ||
632 | toggleControlbar: function() { | |
633 | if (document.getElementById('noVNC_control_bar') | |
634 | .classList.contains("noVNC_open")) { | |
635 | UI.closeControlbar(); | |
636 | } else { | |
637 | UI.openControlbar(); | |
638 | } | |
639 | }, | |
640 | ||
641 | toggleControlbarSide: function () { | |
642 | // Temporarily disable animation to avoid weird movement | |
643 | var bar = document.getElementById('noVNC_control_bar'); | |
644 | bar.style.transitionDuration = '0s'; | |
645 | bar.addEventListener('transitionend', function () { this.style.transitionDuration = ""; }); | |
646 | ||
647 | var anchor = document.getElementById('noVNC_control_bar_anchor'); | |
648 | if (anchor.classList.contains("noVNC_right")) { | |
649 | WebUtil.writeSetting('controlbar_pos', 'left'); | |
650 | anchor.classList.remove("noVNC_right"); | |
651 | } else { | |
652 | WebUtil.writeSetting('controlbar_pos', 'right'); | |
653 | anchor.classList.add("noVNC_right"); | |
654 | } | |
655 | ||
656 | // Consider this a movement of the handle | |
657 | UI.controlbarDrag = true; | |
658 | }, | |
659 | ||
660 | dragControlbarHandle: function (e) { | |
661 | if (!UI.controlbarGrabbed) return; | |
662 | ||
663 | var ptr = Util.getPointerEvent(e); | |
664 | ||
665 | var anchor = document.getElementById('noVNC_control_bar_anchor'); | |
666 | if (ptr.clientX < (window.innerWidth * 0.1)) { | |
667 | if (anchor.classList.contains("noVNC_right")) { | |
668 | UI.toggleControlbarSide(); | |
669 | } | |
670 | } else if (ptr.clientX > (window.innerWidth * 0.9)) { | |
671 | if (!anchor.classList.contains("noVNC_right")) { | |
672 | UI.toggleControlbarSide(); | |
673 | } | |
674 | } | |
675 | ||
676 | if (!UI.controlbarDrag) { | |
677 | // The goal is to trigger on a certain physical width, the | |
678 | // devicePixelRatio brings us a bit closer but is not optimal. | |
679 | var dragThreshold = 10 * (window.devicePixelRatio || 1); | |
680 | var dragDistance = Math.abs(ptr.clientY - UI.controlbarMouseDownClientY); | |
681 | ||
682 | if (dragDistance < dragThreshold) return; | |
683 | ||
684 | UI.controlbarDrag = true; | |
685 | } | |
686 | ||
687 | var eventY = ptr.clientY - UI.controlbarMouseDownOffsetY; | |
688 | ||
689 | UI.moveControlbarHandle(eventY); | |
690 | ||
691 | e.preventDefault(); | |
692 | e.stopPropagation(); | |
693 | UI.keepControlbar(); | |
694 | UI.activateControlbar(); | |
695 | }, | |
696 | ||
697 | // Move the handle but don't allow any position outside the bounds | |
698 | moveControlbarHandle: function (viewportRelativeY) { | |
699 | var handle = document.getElementById("noVNC_control_bar_handle"); | |
700 | var handleHeight = handle.getBoundingClientRect().height; | |
701 | var controlbarBounds = document.getElementById("noVNC_control_bar") | |
702 | .getBoundingClientRect(); | |
703 | var margin = 10; | |
704 | ||
705 | // These heights need to be non-zero for the below logic to work | |
706 | if (handleHeight === 0 || controlbarBounds.height === 0) { | |
707 | return; | |
708 | } | |
709 | ||
710 | var newY = viewportRelativeY; | |
711 | ||
712 | // Check if the coordinates are outside the control bar | |
713 | if (newY < controlbarBounds.top + margin) { | |
714 | // Force coordinates to be below the top of the control bar | |
715 | newY = controlbarBounds.top + margin; | |
716 | ||
717 | } else if (newY > controlbarBounds.top + | |
718 | controlbarBounds.height - handleHeight - margin) { | |
719 | // Force coordinates to be above the bottom of the control bar | |
720 | newY = controlbarBounds.top + | |
721 | controlbarBounds.height - handleHeight - margin; | |
722 | } | |
723 | ||
724 | // Corner case: control bar too small for stable position | |
725 | if (controlbarBounds.height < (handleHeight + margin * 2)) { | |
726 | newY = controlbarBounds.top + | |
727 | (controlbarBounds.height - handleHeight) / 2; | |
728 | } | |
729 | ||
730 | // The transform needs coordinates that are relative to the parent | |
731 | var parentRelativeY = newY - controlbarBounds.top; | |
732 | handle.style.transform = "translateY(" + parentRelativeY + "px)"; | |
733 | }, | |
734 | ||
735 | updateControlbarHandle: function () { | |
736 | // Since the control bar is fixed on the viewport and not the page, | |
737 | // the move function expects coordinates relative the the viewport. | |
738 | var handle = document.getElementById("noVNC_control_bar_handle"); | |
739 | var handleBounds = handle.getBoundingClientRect(); | |
740 | UI.moveControlbarHandle(handleBounds.top); | |
741 | }, | |
742 | ||
743 | controlbarHandleMouseUp: function(e) { | |
744 | if ((e.type == "mouseup") && (e.button != 0)) return; | |
745 | ||
746 | // mouseup and mousedown on the same place toggles the controlbar | |
747 | if (UI.controlbarGrabbed && !UI.controlbarDrag) { | |
748 | UI.toggleControlbar(); | |
749 | e.preventDefault(); | |
750 | e.stopPropagation(); | |
751 | UI.keepControlbar(); | |
752 | UI.activateControlbar(); | |
753 | } | |
754 | UI.controlbarGrabbed = false; | |
755 | }, | |
756 | ||
757 | controlbarHandleMouseDown: function(e) { | |
758 | if ((e.type == "mousedown") && (e.button != 0)) return; | |
759 | ||
760 | var ptr = Util.getPointerEvent(e); | |
761 | ||
762 | var handle = document.getElementById("noVNC_control_bar_handle"); | |
763 | var bounds = handle.getBoundingClientRect(); | |
764 | ||
765 | Util.setCapture(handle); | |
766 | UI.controlbarGrabbed = true; | |
767 | UI.controlbarDrag = false; | |
768 | ||
769 | UI.controlbarMouseDownClientY = ptr.clientY; | |
770 | UI.controlbarMouseDownOffsetY = ptr.clientY - bounds.top; | |
771 | e.preventDefault(); | |
772 | e.stopPropagation(); | |
773 | UI.keepControlbar(); | |
774 | UI.activateControlbar(); | |
775 | }, | |
776 | ||
777 | toggleExpander: function(e) { | |
778 | if (this.classList.contains("noVNC_open")) { | |
779 | this.classList.remove("noVNC_open"); | |
780 | } else { | |
781 | this.classList.add("noVNC_open"); | |
782 | } | |
783 | }, | |
784 | ||
785 | /* ------^------- | |
786 | * /VISUAL | |
787 | * ============== | |
788 | * SETTINGS | |
789 | * ------v------*/ | |
790 | ||
791 | // Initial page load read/initialization of settings | |
792 | initSetting: function(name, defVal) { | |
793 | // Check Query string followed by cookie | |
794 | var val = WebUtil.getConfigVar(name); | |
795 | if (val === null) { | |
796 | val = WebUtil.readSetting(name, defVal); | |
797 | } | |
798 | UI.updateSetting(name, val); | |
799 | return val; | |
800 | }, | |
801 | ||
802 | // Update cookie and form control setting. If value is not set, then | |
803 | // updates from control to current cookie setting. | |
804 | updateSetting: function(name, value) { | |
805 | ||
806 | // Save the cookie for this session | |
807 | if (typeof value !== 'undefined') { | |
808 | WebUtil.writeSetting(name, value); | |
809 | } | |
810 | ||
811 | // Update the settings control | |
812 | value = UI.getSetting(name); | |
813 | ||
814 | var ctrl = document.getElementById('noVNC_setting_' + name); | |
815 | if (ctrl.type === 'checkbox') { | |
816 | ctrl.checked = value; | |
817 | ||
818 | } else if (typeof ctrl.options !== 'undefined') { | |
819 | for (var i = 0; i < ctrl.options.length; i += 1) { | |
820 | if (ctrl.options[i].value === value) { | |
821 | ctrl.selectedIndex = i; | |
822 | break; | |
823 | } | |
824 | } | |
825 | } else { | |
826 | /*Weird IE9 error leads to 'null' appearring | |
827 | in textboxes instead of ''.*/ | |
828 | if (value === null) { | |
829 | value = ""; | |
830 | } | |
831 | ctrl.value = value; | |
832 | } | |
833 | }, | |
834 | ||
835 | // Save control setting to cookie | |
836 | saveSetting: function(name) { | |
837 | var val, ctrl = document.getElementById('noVNC_setting_' + name); | |
838 | if (ctrl.type === 'checkbox') { | |
839 | val = ctrl.checked; | |
840 | } else if (typeof ctrl.options !== 'undefined') { | |
841 | val = ctrl.options[ctrl.selectedIndex].value; | |
842 | } else { | |
843 | val = ctrl.value; | |
844 | } | |
845 | WebUtil.writeSetting(name, val); | |
846 | //Util.Debug("Setting saved '" + name + "=" + val + "'"); | |
847 | return val; | |
848 | }, | |
849 | ||
850 | // Read form control compatible setting from cookie | |
851 | getSetting: function(name) { | |
852 | var ctrl = document.getElementById('noVNC_setting_' + name); | |
853 | var val = WebUtil.readSetting(name); | |
854 | if (typeof val !== 'undefined' && val !== null && ctrl.type === 'checkbox') { | |
855 | if (val.toString().toLowerCase() in {'0':1, 'no':1, 'false':1}) { | |
856 | val = false; | |
857 | } else { | |
858 | val = true; | |
859 | } | |
860 | } | |
861 | return val; | |
862 | }, | |
863 | ||
864 | /* ------^------- | |
865 | * /SETTINGS | |
866 | * ============== | |
867 | * PANELS | |
868 | * ------v------*/ | |
869 | ||
870 | closeAllPanels: function() { | |
871 | UI.closeSettingsPanel(); | |
872 | UI.closeXvpPanel(); | |
873 | UI.closeClipboardPanel(); | |
874 | UI.closeExtraKeys(); | |
875 | }, | |
876 | ||
877 | /* ------^------- | |
878 | * /PANELS | |
879 | * ============== | |
880 | * SETTINGS (panel) | |
881 | * ------v------*/ | |
882 | ||
883 | openSettingsPanel: function() { | |
884 | UI.closeAllPanels(); | |
885 | UI.openControlbar(); | |
886 | ||
887 | // Refresh UI elements from saved cookies | |
888 | UI.updateSetting('encrypt'); | |
889 | UI.updateSetting('true_color'); | |
890 | if (Util.browserSupportsCursorURIs()) { | |
891 | UI.updateSetting('cursor'); | |
892 | } else { | |
893 | UI.updateSetting('cursor', !Util.isTouchDevice); | |
894 | document.getElementById('noVNC_setting_cursor').disabled = true; | |
895 | } | |
896 | UI.updateSetting('clip'); | |
897 | UI.updateSetting('resize'); | |
898 | UI.updateSetting('shared'); | |
899 | UI.updateSetting('view_only'); | |
900 | UI.updateSetting('path'); | |
901 | UI.updateSetting('repeaterID'); | |
902 | UI.updateSetting('logging'); | |
903 | UI.updateSetting('reconnect'); | |
904 | UI.updateSetting('reconnect_delay'); | |
905 | ||
906 | document.getElementById('noVNC_settings') | |
907 | .classList.add("noVNC_open"); | |
908 | document.getElementById('noVNC_settings_button') | |
909 | .classList.add("noVNC_selected"); | |
910 | }, | |
911 | ||
912 | closeSettingsPanel: function() { | |
913 | document.getElementById('noVNC_settings') | |
914 | .classList.remove("noVNC_open"); | |
915 | document.getElementById('noVNC_settings_button') | |
916 | .classList.remove("noVNC_selected"); | |
917 | }, | |
918 | ||
919 | toggleSettingsPanel: function() { | |
920 | if (document.getElementById('noVNC_settings') | |
921 | .classList.contains("noVNC_open")) { | |
922 | UI.closeSettingsPanel(); | |
923 | } else { | |
924 | UI.openSettingsPanel(); | |
925 | } | |
926 | }, | |
927 | ||
928 | /* ------^------- | |
929 | * /SETTINGS | |
930 | * ============== | |
931 | * XVP | |
932 | * ------v------*/ | |
933 | ||
934 | openXvpPanel: function() { | |
935 | UI.closeAllPanels(); | |
936 | UI.openControlbar(); | |
937 | ||
938 | document.getElementById('noVNC_xvp') | |
939 | .classList.add("noVNC_open"); | |
940 | document.getElementById('noVNC_xvp_button') | |
941 | .classList.add("noVNC_selected"); | |
942 | }, | |
943 | ||
944 | closeXvpPanel: function() { | |
945 | document.getElementById('noVNC_xvp') | |
946 | .classList.remove("noVNC_open"); | |
947 | document.getElementById('noVNC_xvp_button') | |
948 | .classList.remove("noVNC_selected"); | |
949 | }, | |
950 | ||
951 | toggleXvpPanel: function() { | |
952 | if (document.getElementById('noVNC_xvp') | |
953 | .classList.contains("noVNC_open")) { | |
954 | UI.closeXvpPanel(); | |
955 | } else { | |
956 | UI.openXvpPanel(); | |
957 | } | |
958 | }, | |
959 | ||
960 | // Disable/enable XVP button | |
961 | updateXvpButton: function(ver) { | |
962 | if (ver >= 1 && !UI.rfb.get_view_only()) { | |
963 | document.getElementById('noVNC_xvp_button') | |
964 | .classList.remove("noVNC_hidden"); | |
965 | } else { | |
966 | document.getElementById('noVNC_xvp_button') | |
967 | .classList.add("noVNC_hidden"); | |
968 | // Close XVP panel if open | |
969 | UI.closeXvpPanel(); | |
970 | } | |
971 | }, | |
972 | ||
973 | /* ------^------- | |
974 | * /XVP | |
975 | * ============== | |
976 | * CLIPBOARD | |
977 | * ------v------*/ | |
978 | ||
979 | openClipboardPanel: function() { | |
980 | UI.closeAllPanels(); | |
981 | UI.openControlbar(); | |
982 | ||
983 | document.getElementById('noVNC_clipboard') | |
984 | .classList.add("noVNC_open"); | |
985 | document.getElementById('noVNC_clipboard_button') | |
986 | .classList.add("noVNC_selected"); | |
987 | }, | |
988 | ||
989 | closeClipboardPanel: function() { | |
990 | document.getElementById('noVNC_clipboard') | |
991 | .classList.remove("noVNC_open"); | |
992 | document.getElementById('noVNC_clipboard_button') | |
993 | .classList.remove("noVNC_selected"); | |
994 | }, | |
995 | ||
996 | toggleClipboardPanel: function() { | |
997 | if (document.getElementById('noVNC_clipboard') | |
998 | .classList.contains("noVNC_open")) { | |
999 | UI.closeClipboardPanel(); | |
1000 | } else { | |
1001 | UI.openClipboardPanel(); | |
1002 | } | |
1003 | }, | |
1004 | ||
1005 | clipboardReceive: function(rfb, text) { | |
1006 | Util.Debug(">> UI.clipboardReceive: " + text.substr(0,40) + "..."); | |
1007 | document.getElementById('noVNC_clipboard_text').value = text; | |
1008 | Util.Debug("<< UI.clipboardReceive"); | |
1009 | }, | |
1010 | ||
1011 | clipboardClear: function() { | |
1012 | document.getElementById('noVNC_clipboard_text').value = ""; | |
1013 | UI.rfb.clipboardPasteFrom(""); | |
1014 | }, | |
1015 | ||
1016 | clipboardSend: function() { | |
1017 | var text = document.getElementById('noVNC_clipboard_text').value; | |
1018 | Util.Debug(">> UI.clipboardSend: " + text.substr(0,40) + "..."); | |
1019 | UI.rfb.clipboardPasteFrom(text); | |
1020 | Util.Debug("<< UI.clipboardSend"); | |
1021 | }, | |
1022 | ||
1023 | /* ------^------- | |
1024 | * /CLIPBOARD | |
1025 | * ============== | |
1026 | * CONNECTION | |
1027 | * ------v------*/ | |
1028 | ||
1029 | openConnectPanel: function() { | |
1030 | document.getElementById('noVNC_connect_dlg') | |
1031 | .classList.add("noVNC_open"); | |
1032 | }, | |
1033 | ||
1034 | closeConnectPanel: function() { | |
1035 | document.getElementById('noVNC_connect_dlg') | |
1036 | .classList.remove("noVNC_open"); | |
1037 | }, | |
1038 | ||
1039 | connect: function(event, password) { | |
1040 | var host = UI.getSetting('host'); | |
1041 | var port = UI.getSetting('port'); | |
1042 | var path = UI.getSetting('path'); | |
1043 | ||
1044 | if (typeof password === 'undefined') { | |
1045 | password = WebUtil.getConfigVar('password'); | |
1046 | } | |
1047 | ||
1048 | if (password === null) { | |
1049 | password = undefined; | |
1050 | } | |
1051 | ||
1052 | if ((!host) || (!port)) { | |
1053 | var msg = _("Must set host and port"); | |
1054 | Util.Error(msg); | |
1055 | UI.showStatus(msg, 'error'); | |
1056 | return; | |
1057 | } | |
1058 | ||
1059 | if (!UI.initRFB()) return; | |
1060 | ||
1061 | UI.closeAllPanels(); | |
1062 | UI.closeConnectPanel(); | |
1063 | ||
1064 | UI.rfb.set_encrypt(UI.getSetting('encrypt')); | |
1065 | UI.rfb.set_true_color(UI.getSetting('true_color')); | |
1066 | UI.rfb.set_local_cursor(UI.getSetting('cursor')); | |
1067 | UI.rfb.set_shared(UI.getSetting('shared')); | |
1068 | UI.rfb.set_view_only(UI.getSetting('view_only')); | |
1069 | UI.rfb.set_repeaterID(UI.getSetting('repeaterID')); | |
1070 | ||
1071 | UI.rfb.connect(host, port, password, path); | |
1072 | }, | |
1073 | ||
1074 | disconnect: function() { | |
1075 | UI.closeAllPanels(); | |
1076 | UI.rfb.disconnect(); | |
1077 | ||
1078 | // Disable automatic reconnecting | |
1079 | UI.inhibit_reconnect = true; | |
1080 | ||
1081 | // Restore the callback used for initial resize | |
1082 | UI.rfb.set_onFBUComplete(UI.initialResize); | |
1083 | ||
1084 | // Don't display the connection settings until we're actually disconnected | |
1085 | }, | |
1086 | ||
1087 | reconnect: function() { | |
1088 | UI.reconnect_callback = null; | |
1089 | ||
1090 | // if reconnect has been disabled in the meantime, do nothing. | |
1091 | if (UI.inhibit_reconnect) { | |
1092 | return; | |
1093 | } | |
1094 | ||
1095 | UI.connect(null, UI.reconnect_password); | |
1096 | }, | |
1097 | ||
1098 | disconnectFinished: function (rfb, reason) { | |
1099 | if (typeof reason !== 'undefined') { | |
1100 | UI.showStatus(reason, 'error'); | |
1101 | } else if (UI.getSetting('reconnect', false) === true && !UI.inhibit_reconnect) { | |
1102 | document.getElementById("noVNC_transition_text").textContent = _("Reconnecting..."); | |
1103 | document.documentElement.classList.add("noVNC_reconnecting"); | |
1104 | ||
1105 | var delay = parseInt(UI.getSetting('reconnect_delay')); | |
1106 | UI.reconnect_callback = setTimeout(UI.reconnect, delay); | |
1107 | return; | |
1108 | } | |
1109 | ||
1110 | UI.openControlbar(); | |
1111 | UI.openConnectPanel(); | |
1112 | }, | |
1113 | ||
1114 | cancelReconnect: function() { | |
1115 | if (UI.reconnect_callback !== null) { | |
1116 | clearTimeout(UI.reconnect_callback); | |
1117 | UI.reconnect_callback = null; | |
1118 | } | |
1119 | ||
1120 | document.documentElement.classList.remove("noVNC_reconnecting"); | |
1121 | UI.openControlbar(); | |
1122 | UI.openConnectPanel(); | |
1123 | }, | |
1124 | ||
1125 | /* ------^------- | |
1126 | * /CONNECTION | |
1127 | * ============== | |
1128 | * PASSWORD | |
1129 | * ------v------*/ | |
1130 | ||
1131 | passwordRequired: function(rfb, msg) { | |
1132 | ||
1133 | document.getElementById('noVNC_password_dlg') | |
1134 | .classList.add('noVNC_open'); | |
1135 | ||
1136 | setTimeout(function () { | |
1137 | document.getElementById('noVNC_password_input').focus(); | |
1138 | }, 100); | |
1139 | ||
1140 | if (typeof msg === 'undefined') { | |
1141 | msg = _("Password is required"); | |
1142 | } | |
1143 | Util.Warn(msg); | |
1144 | UI.showStatus(msg, "warning"); | |
1145 | }, | |
1146 | ||
1147 | setPassword: function(e) { | |
1148 | var password = document.getElementById('noVNC_password_input').value; | |
1149 | UI.rfb.sendPassword(password); | |
1150 | UI.reconnect_password = password; | |
1151 | document.getElementById('noVNC_password_dlg') | |
1152 | .classList.remove('noVNC_open'); | |
1153 | // Prevent actually submitting the form | |
1154 | e.preventDefault(); | |
1155 | }, | |
1156 | ||
1157 | /* ------^------- | |
1158 | * /PASSWORD | |
1159 | * ============== | |
1160 | * FULLSCREEN | |
1161 | * ------v------*/ | |
1162 | ||
1163 | toggleFullscreen: function() { | |
1164 | if (document.fullscreenElement || // alternative standard method | |
1165 | document.mozFullScreenElement || // currently working methods | |
1166 | document.webkitFullscreenElement || | |
1167 | document.msFullscreenElement) { | |
1168 | if (document.exitFullscreen) { | |
1169 | document.exitFullscreen(); | |
1170 | } else if (document.mozCancelFullScreen) { | |
1171 | document.mozCancelFullScreen(); | |
1172 | } else if (document.webkitExitFullscreen) { | |
1173 | document.webkitExitFullscreen(); | |
1174 | } else if (document.msExitFullscreen) { | |
1175 | document.msExitFullscreen(); | |
1176 | } | |
1177 | } else { | |
1178 | if (document.documentElement.requestFullscreen) { | |
1179 | document.documentElement.requestFullscreen(); | |
1180 | } else if (document.documentElement.mozRequestFullScreen) { | |
1181 | document.documentElement.mozRequestFullScreen(); | |
1182 | } else if (document.documentElement.webkitRequestFullscreen) { | |
1183 | document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT); | |
1184 | } else if (document.body.msRequestFullscreen) { | |
1185 | document.body.msRequestFullscreen(); | |
1186 | } | |
1187 | } | |
1188 | UI.enableDisableViewClip(); | |
1189 | UI.updateFullscreenButton(); | |
1190 | }, | |
1191 | ||
1192 | updateFullscreenButton: function() { | |
1193 | if (document.fullscreenElement || // alternative standard method | |
1194 | document.mozFullScreenElement || // currently working methods | |
1195 | document.webkitFullscreenElement || | |
1196 | document.msFullscreenElement ) { | |
1197 | document.getElementById('noVNC_fullscreen_button') | |
1198 | .classList.add("noVNC_selected"); | |
1199 | } else { | |
1200 | document.getElementById('noVNC_fullscreen_button') | |
1201 | .classList.remove("noVNC_selected"); | |
1202 | } | |
1203 | }, | |
1204 | ||
1205 | /* ------^------- | |
1206 | * /FULLSCREEN | |
1207 | * ============== | |
1208 | * RESIZE | |
1209 | * ------v------*/ | |
1210 | ||
1211 | // Apply remote resizing or local scaling | |
1212 | applyResizeMode: function() { | |
1213 | if (!UI.rfb) return; | |
1214 | ||
1215 | var screen = UI.screenSize(); | |
1216 | ||
1217 | if (screen && UI.connected && UI.rfb.get_display()) { | |
1218 | ||
1219 | var display = UI.rfb.get_display(); | |
1220 | var resizeMode = UI.getSetting('resize'); | |
1221 | display.set_scale(1); | |
1222 | ||
1223 | // Make sure the viewport is adjusted first | |
1224 | UI.updateViewClip(); | |
1225 | ||
1226 | if (resizeMode === 'remote') { | |
1227 | ||
1228 | // Request changing the resolution of the remote display to | |
1229 | // the size of the local browser viewport. | |
1230 | ||
1231 | // In order to not send multiple requests before the browser-resize | |
1232 | // is finished we wait 0.5 seconds before sending the request. | |
1233 | clearTimeout(UI.resizeTimeout); | |
1234 | UI.resizeTimeout = setTimeout(function(){ | |
1235 | // Request a remote size covering the viewport | |
1236 | if (UI.rfb.requestDesktopSize(screen.w, screen.h)) { | |
1237 | Util.Debug('Requested new desktop size: ' + | |
1238 | screen.w + 'x' + screen.h); | |
1239 | } | |
1240 | }, 500); | |
1241 | ||
1242 | } else if (resizeMode === 'scale' || resizeMode === 'downscale') { | |
1243 | var downscaleOnly = resizeMode === 'downscale'; | |
1244 | display.autoscale(screen.w, screen.h, downscaleOnly); | |
1245 | UI.fixScrollbars(); | |
1246 | } | |
1247 | } | |
1248 | }, | |
1249 | ||
1250 | // Gets the the size of the available viewport in the browser window | |
1251 | screenSize: function() { | |
1252 | var screen = document.getElementById('noVNC_screen'); | |
1253 | return {w: screen.offsetWidth, h: screen.offsetHeight}; | |
1254 | }, | |
1255 | ||
1256 | // Normally we only apply the current resize mode after a window resize | |
1257 | // event. This means that when a new connection is opened, there is no | |
1258 | // resize mode active. | |
1259 | // We have to wait until the first FBU because this is where the client | |
1260 | // will find the supported encodings of the server. Some calls later in | |
1261 | // the chain is dependant on knowing the server-capabilities. | |
1262 | initialResize: function(rfb, fbu) { | |
1263 | UI.applyResizeMode(); | |
1264 | // After doing this once, we remove the callback. | |
1265 | UI.rfb.set_onFBUComplete(function() { }); | |
1266 | }, | |
1267 | ||
1268 | /* ------^------- | |
1269 | * /RESIZE | |
1270 | * ============== | |
1271 | * CLIPPING | |
1272 | * ------v------*/ | |
1273 | ||
1274 | // Set and configure viewport clipping | |
1275 | setViewClip: function(clip) { | |
1276 | UI.updateSetting('clip', clip); | |
1277 | UI.updateViewClip(); | |
1278 | }, | |
1279 | ||
1280 | // Update parameters that depend on the clip setting | |
1281 | updateViewClip: function() { | |
1282 | if (!UI.rfb) return; | |
1283 | ||
1284 | var display = UI.rfb.get_display(); | |
1285 | var cur_clip = display.get_viewport(); | |
1286 | var new_clip = UI.getSetting('clip'); | |
1287 | ||
1288 | var resizeSetting = UI.getSetting('resize'); | |
1289 | if (resizeSetting === 'downscale' || resizeSetting === 'scale') { | |
1290 | // Disable clipping if we are scaling | |
1291 | new_clip = false; | |
1292 | } else if (Util.isTouchDevice) { | |
1293 | // Touch devices usually have shit scrollbars | |
1294 | new_clip = true; | |
1295 | } | |
1296 | ||
1297 | if (cur_clip !== new_clip) { | |
1298 | display.set_viewport(new_clip); | |
1299 | } | |
1300 | ||
1301 | var size = UI.screenSize(); | |
1302 | ||
1303 | if (new_clip && size) { | |
1304 | // When clipping is enabled, the screen is limited to | |
1305 | // the size of the browser window. | |
1306 | display.viewportChangeSize(size.w, size.h); | |
1307 | UI.fixScrollbars(); | |
1308 | } | |
1309 | ||
1310 | // Changing the viewport may change the state of | |
1311 | // the dragging button | |
1312 | UI.updateViewDrag(); | |
1313 | }, | |
1314 | ||
1315 | // Handle special cases where clipping is forced on/off or locked | |
1316 | enableDisableViewClip: function() { | |
1317 | var resizeSetting = UI.getSetting('resize'); | |
1318 | if (resizeSetting === 'downscale' || resizeSetting === 'scale') { | |
1319 | // Disable clipping if we are scaling | |
1320 | document.getElementById('noVNC_setting_clip').disabled = true; | |
1321 | } else { | |
1322 | document.getElementById('noVNC_setting_clip').disabled = | |
1323 | Util.isTouchDevice; | |
1324 | } | |
1325 | }, | |
1326 | ||
1327 | /* ------^------- | |
1328 | * /CLIPPING | |
1329 | * ============== | |
1330 | * VIEWDRAG | |
1331 | * ------v------*/ | |
1332 | ||
1333 | toggleViewDrag: function() { | |
1334 | if (!UI.rfb) return; | |
1335 | ||
1336 | var drag = UI.rfb.get_viewportDrag(); | |
1337 | UI.setViewDrag(!drag); | |
1338 | }, | |
1339 | ||
1340 | // Set the view drag mode which moves the viewport on mouse drags | |
1341 | setViewDrag: function(drag) { | |
1342 | if (!UI.rfb) return; | |
1343 | ||
1344 | UI.rfb.set_viewportDrag(drag); | |
1345 | ||
1346 | UI.updateViewDrag(); | |
1347 | }, | |
1348 | ||
1349 | updateViewDrag: function() { | |
1350 | var clipping = false; | |
1351 | ||
1352 | if (!UI.connected) return; | |
1353 | ||
1354 | // Check if viewport drag is possible. It is only possible | |
1355 | // if the remote display is clipping the client display. | |
1356 | if (UI.rfb.get_display().get_viewport() && | |
1357 | UI.rfb.get_display().clippingDisplay()) { | |
1358 | clipping = true; | |
1359 | } | |
1360 | ||
1361 | var viewDragButton = document.getElementById('noVNC_view_drag_button'); | |
1362 | ||
1363 | if (!clipping && | |
1364 | UI.rfb.get_viewportDrag()) { | |
1365 | // The size of the remote display is the same or smaller | |
1366 | // than the client display. Make sure viewport drag isn't | |
1367 | // active when it can't be used. | |
1368 | UI.rfb.set_viewportDrag(false); | |
1369 | } | |
1370 | ||
1371 | if (UI.rfb.get_viewportDrag()) { | |
1372 | viewDragButton.classList.add("noVNC_selected"); | |
1373 | } else { | |
1374 | viewDragButton.classList.remove("noVNC_selected"); | |
1375 | } | |
1376 | ||
1377 | // Different behaviour for touch vs non-touch | |
1378 | // The button is disabled instead of hidden on touch devices | |
1379 | if (Util.isTouchDevice) { | |
1380 | viewDragButton.classList.remove("noVNC_hidden"); | |
1381 | ||
1382 | if (clipping) { | |
1383 | viewDragButton.disabled = false; | |
1384 | } else { | |
1385 | viewDragButton.disabled = true; | |
1386 | } | |
1387 | } else { | |
1388 | viewDragButton.disabled = false; | |
1389 | ||
1390 | if (clipping) { | |
1391 | viewDragButton.classList.remove("noVNC_hidden"); | |
1392 | } else { | |
1393 | viewDragButton.classList.add("noVNC_hidden"); | |
1394 | } | |
1395 | } | |
1396 | }, | |
1397 | ||
1398 | /* ------^------- | |
1399 | * /VIEWDRAG | |
1400 | * ============== | |
1401 | * KEYBOARD | |
1402 | * ------v------*/ | |
1403 | ||
1404 | showVirtualKeyboard: function() { | |
1405 | if (!Util.isTouchDevice) return; | |
1406 | ||
1407 | var input = document.getElementById('noVNC_keyboardinput'); | |
1408 | ||
1409 | if (document.activeElement == input) return; | |
1410 | ||
1411 | input.focus(); | |
1412 | ||
1413 | try { | |
1414 | var l = input.value.length; | |
1415 | // Move the caret to the end | |
1416 | input.setSelectionRange(l, l); | |
1417 | } catch (err) {} // setSelectionRange is undefined in Google Chrome | |
1418 | }, | |
1419 | ||
1420 | hideVirtualKeyboard: function() { | |
1421 | if (!Util.isTouchDevice) return; | |
1422 | ||
1423 | var input = document.getElementById('noVNC_keyboardinput'); | |
1424 | ||
1425 | if (document.activeElement != input) return; | |
1426 | ||
1427 | input.blur(); | |
1428 | }, | |
1429 | ||
1430 | toggleVirtualKeyboard: function () { | |
1431 | if (document.getElementById('noVNC_keyboard_button') | |
1432 | .classList.contains("noVNC_selected")) { | |
1433 | UI.hideVirtualKeyboard(); | |
1434 | } else { | |
1435 | UI.showVirtualKeyboard(); | |
1436 | } | |
1437 | }, | |
1438 | ||
1439 | onfocusVirtualKeyboard: function(event) { | |
1440 | document.getElementById('noVNC_keyboard_button') | |
1441 | .classList.add("noVNC_selected"); | |
1442 | }, | |
1443 | ||
1444 | onblurVirtualKeyboard: function(event) { | |
1445 | document.getElementById('noVNC_keyboard_button') | |
1446 | .classList.remove("noVNC_selected"); | |
1447 | }, | |
1448 | ||
1449 | keepVirtualKeyboard: function(event) { | |
1450 | var input = document.getElementById('noVNC_keyboardinput'); | |
1451 | ||
1452 | // Only prevent focus change if the virtual keyboard is active | |
1453 | if (document.activeElement != input) { | |
1454 | return; | |
1455 | } | |
1456 | ||
1457 | // Only allow focus to move to other elements that need | |
1458 | // focus to function properly | |
1459 | if (event.target.form !== undefined) { | |
1460 | switch (event.target.type) { | |
1461 | case 'text': | |
1462 | case 'email': | |
1463 | case 'search': | |
1464 | case 'password': | |
1465 | case 'tel': | |
1466 | case 'url': | |
1467 | case 'textarea': | |
1468 | case 'select-one': | |
1469 | case 'select-multiple': | |
1470 | return; | |
1471 | } | |
1472 | } | |
1473 | ||
1474 | event.preventDefault(); | |
1475 | }, | |
1476 | ||
1477 | keyboardinputReset: function() { | |
1478 | var kbi = document.getElementById('noVNC_keyboardinput'); | |
1479 | kbi.value = new Array(UI.defaultKeyboardinputLen).join("_"); | |
1480 | UI.lastKeyboardinput = kbi.value; | |
1481 | }, | |
1482 | ||
1483 | // When normal keyboard events are left uncought, use the input events from | |
1484 | // the keyboardinput element instead and generate the corresponding key events. | |
1485 | // This code is required since some browsers on Android are inconsistent in | |
1486 | // sending keyCodes in the normal keyboard events when using on screen keyboards. | |
1487 | keyInput: function(event) { | |
1488 | ||
1489 | if (!UI.rfb) return; | |
1490 | ||
1491 | var newValue = event.target.value; | |
1492 | ||
1493 | if (!UI.lastKeyboardinput) { | |
1494 | UI.keyboardinputReset(); | |
1495 | } | |
1496 | var oldValue = UI.lastKeyboardinput; | |
1497 | ||
1498 | var newLen; | |
1499 | try { | |
1500 | // Try to check caret position since whitespace at the end | |
1501 | // will not be considered by value.length in some browsers | |
1502 | newLen = Math.max(event.target.selectionStart, newValue.length); | |
1503 | } catch (err) { | |
1504 | // selectionStart is undefined in Google Chrome | |
1505 | newLen = newValue.length; | |
1506 | } | |
1507 | var oldLen = oldValue.length; | |
1508 | ||
1509 | var backspaces; | |
1510 | var inputs = newLen - oldLen; | |
1511 | if (inputs < 0) { | |
1512 | backspaces = -inputs; | |
1513 | } else { | |
1514 | backspaces = 0; | |
1515 | } | |
1516 | ||
1517 | // Compare the old string with the new to account for | |
1518 | // text-corrections or other input that modify existing text | |
1519 | var i; | |
1520 | for (i = 0; i < Math.min(oldLen, newLen); i++) { | |
1521 | if (newValue.charAt(i) != oldValue.charAt(i)) { | |
1522 | inputs = newLen - i; | |
1523 | backspaces = oldLen - i; | |
1524 | break; | |
1525 | } | |
1526 | } | |
1527 | ||
1528 | // Send the key events | |
1529 | for (i = 0; i < backspaces; i++) { | |
1530 | UI.rfb.sendKey(KeyTable.XK_BackSpace); | |
1531 | } | |
1532 | for (i = newLen - inputs; i < newLen; i++) { | |
1533 | UI.rfb.sendKey(keysyms.fromUnicode(newValue.charCodeAt(i)).keysym); | |
1534 | } | |
1535 | ||
1536 | // Control the text content length in the keyboardinput element | |
1537 | if (newLen > 2 * UI.defaultKeyboardinputLen) { | |
1538 | UI.keyboardinputReset(); | |
1539 | } else if (newLen < 1) { | |
1540 | // There always have to be some text in the keyboardinput | |
1541 | // element with which backspace can interact. | |
1542 | UI.keyboardinputReset(); | |
1543 | // This sometimes causes the keyboard to disappear for a second | |
1544 | // but it is required for the android keyboard to recognize that | |
1545 | // text has been added to the field | |
1546 | event.target.blur(); | |
1547 | // This has to be ran outside of the input handler in order to work | |
1548 | setTimeout(event.target.focus.bind(event.target), 0); | |
1549 | } else { | |
1550 | UI.lastKeyboardinput = newValue; | |
1551 | } | |
1552 | }, | |
1553 | ||
1554 | /* ------^------- | |
1555 | * /KEYBOARD | |
1556 | * ============== | |
1557 | * EXTRA KEYS | |
1558 | * ------v------*/ | |
1559 | ||
1560 | openExtraKeys: function() { | |
1561 | UI.closeAllPanels(); | |
1562 | UI.openControlbar(); | |
1563 | ||
1564 | document.getElementById('noVNC_modifiers') | |
1565 | .classList.add("noVNC_open"); | |
1566 | document.getElementById('noVNC_toggle_extra_keys_button') | |
1567 | .classList.add("noVNC_selected"); | |
1568 | }, | |
1569 | ||
1570 | closeExtraKeys: function() { | |
1571 | document.getElementById('noVNC_modifiers') | |
1572 | .classList.remove("noVNC_open"); | |
1573 | document.getElementById('noVNC_toggle_extra_keys_button') | |
1574 | .classList.remove("noVNC_selected"); | |
1575 | }, | |
1576 | ||
1577 | toggleExtraKeys: function() { | |
1578 | if(document.getElementById('noVNC_modifiers') | |
1579 | .classList.contains("noVNC_open")) { | |
1580 | UI.closeExtraKeys(); | |
1581 | } else { | |
1582 | UI.openExtraKeys(); | |
1583 | } | |
1584 | }, | |
1585 | ||
1586 | sendEsc: function() { | |
1587 | UI.rfb.sendKey(KeyTable.XK_Escape); | |
1588 | }, | |
1589 | ||
1590 | sendTab: function() { | |
1591 | UI.rfb.sendKey(KeyTable.XK_Tab); | |
1592 | }, | |
1593 | ||
1594 | toggleCtrl: function() { | |
1595 | var btn = document.getElementById('noVNC_toggle_ctrl_button'); | |
1596 | if (btn.classList.contains("noVNC_selected")) { | |
1597 | UI.rfb.sendKey(KeyTable.XK_Control_L, false); | |
1598 | btn.classList.remove("noVNC_selected"); | |
1599 | } else { | |
1600 | UI.rfb.sendKey(KeyTable.XK_Control_L, true); | |
1601 | btn.classList.add("noVNC_selected"); | |
1602 | } | |
1603 | }, | |
1604 | ||
1605 | toggleAlt: function() { | |
1606 | var btn = document.getElementById('noVNC_toggle_alt_button'); | |
1607 | if (btn.classList.contains("noVNC_selected")) { | |
1608 | UI.rfb.sendKey(KeyTable.XK_Alt_L, false); | |
1609 | btn.classList.remove("noVNC_selected"); | |
1610 | } else { | |
1611 | UI.rfb.sendKey(KeyTable.XK_Alt_L, true); | |
1612 | btn.classList.add("noVNC_selected"); | |
1613 | } | |
1614 | }, | |
1615 | ||
1616 | sendCtrlAltDel: function() { | |
1617 | UI.rfb.sendCtrlAltDel(); | |
1618 | }, | |
1619 | ||
1620 | /* ------^------- | |
1621 | * /EXTRA KEYS | |
1622 | * ============== | |
1623 | * MISC | |
1624 | * ------v------*/ | |
1625 | ||
1626 | setMouseButton: function(num) { | |
1627 | var view_only = UI.rfb.get_view_only(); | |
1628 | if (UI.rfb && !view_only) { | |
1629 | UI.rfb.get_mouse().set_touchButton(num); | |
1630 | } | |
1631 | ||
1632 | var blist = [0, 1,2,4]; | |
1633 | for (var b = 0; b < blist.length; b++) { | |
1634 | var button = document.getElementById('noVNC_mouse_button' + | |
1635 | blist[b]); | |
1636 | if (blist[b] === num && !view_only) { | |
1637 | button.classList.remove("noVNC_hidden"); | |
1638 | } else { | |
1639 | button.classList.add("noVNC_hidden"); | |
1640 | } | |
1641 | } | |
1642 | }, | |
1643 | ||
1644 | displayBlur: function() { | |
1645 | if (UI.rfb && !UI.rfb.get_view_only()) { | |
1646 | UI.rfb.get_keyboard().set_focused(false); | |
1647 | UI.rfb.get_mouse().set_focused(false); | |
1648 | } | |
1649 | }, | |
1650 | ||
1651 | displayFocus: function() { | |
1652 | if (UI.rfb && !UI.rfb.get_view_only()) { | |
1653 | UI.rfb.get_keyboard().set_focused(true); | |
1654 | UI.rfb.get_mouse().set_focused(true); | |
1655 | } | |
1656 | }, | |
1657 | ||
1658 | updateLogging: function() { | |
1659 | WebUtil.init_logging(UI.getSetting('logging')); | |
1660 | }, | |
1661 | ||
1662 | updateSessionSize: function(rfb, width, height) { | |
1663 | UI.updateViewClip(); | |
1664 | UI.fixScrollbars(); | |
1665 | }, | |
1666 | ||
1667 | fixScrollbars: function() { | |
1668 | // This is a hack because Chrome screws up the calculation | |
1669 | // for when scrollbars are needed. So to fix it we temporarily | |
1670 | // toggle them off and on. | |
1671 | var screen = document.getElementById('noVNC_screen'); | |
1672 | screen.style.overflow = 'hidden'; | |
1673 | // Force Chrome to recalculate the layout by asking for | |
1674 | // an element's dimensions | |
1675 | screen.getBoundingClientRect(); | |
1676 | screen.style.overflow = null; | |
1677 | }, | |
1678 | ||
1679 | updateDesktopName: function(rfb, name) { | |
1680 | UI.desktopName = name; | |
1681 | // Display the desktop name in the document title | |
1682 | document.title = name + " - noVNC"; | |
1683 | }, | |
1684 | ||
1685 | bell: function(rfb) { | |
1686 | if (WebUtil.getConfigVar('bell', 'on') === 'on') { | |
1687 | document.getElementById('noVNC_bell').play(); | |
1688 | } | |
1689 | }, | |
1690 | ||
1691 | //Helper to add options to dropdown. | |
1692 | addOption: function(selectbox, text, value) { | |
1693 | var optn = document.createElement("OPTION"); | |
1694 | optn.text = text; | |
1695 | optn.value = value; | |
1696 | selectbox.options.add(optn); | |
1697 | }, | |
1698 | ||
1699 | /* ------^------- | |
1700 | * /MISC | |
1701 | * ============== | |
1702 | */ | |
1703 | }; | |
1704 | ||
1705 | /* [module] UI.load(); */ | |
1706 | })(); | |
1707 | ||
1708 | /* [module] export default UI; */ |