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Commit | Line | Data |
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15046f00 JM |
1 | /* |
2 | * noVNC: HTML5 VNC client | |
d58f8b51 | 3 | * Copyright (C) 2012 Joel Martin |
406a8b4e | 4 | * Copyright (C) 2013 Samuel Mannehed for Cendio AB |
1d728ace | 5 | * Licensed under MPL 2.0 (see LICENSE.txt) |
15046f00 JM |
6 | * |
7 | * See README.md for usage and integration instructions. | |
8 | */ | |
43cf7bd8 | 9 | |
bbbf42bb SR |
10 | /* jslint white: false, browser: true */ |
11 | /* global window, $D, Util, WebUtil, RFB, Display */ | |
12 | ||
13 | var UI; | |
14 | ||
15 | (function () { | |
16 | "use strict"; | |
17 | ||
f8b399d7 | 18 | var resizeTimeout; |
19 | ||
bbbf42bb SR |
20 | // Load supporting scripts |
21 | window.onscriptsload = function () { UI.load(); }; | |
bbbf42bb SR |
22 | Util.load_scripts(["webutil.js", "base64.js", "websock.js", "des.js", |
23 | "keysymdef.js", "keyboard.js", "input.js", "display.js", | |
24 | "jsunzip.js", "rfb.js", "keysym.js"]); | |
25 | ||
bd6874e0 | 26 | UI = { |
bbbf42bb SR |
27 | |
28 | rfb_state : 'loaded', | |
29 | settingsOpen : false, | |
30 | connSettingsOpen : false, | |
31 | popupStatusOpen : false, | |
32 | clipboardOpen: false, | |
33 | keyboardVisible: false, | |
34 | hideKeyboardTimeout: null, | |
35 | lastKeyboardinput: null, | |
36 | defaultKeyboardinputLen: 100, | |
37 | extraKeysVisible: false, | |
38 | ctrlOn: false, | |
39 | altOn: false, | |
40 | isTouchDevice: false, | |
41 | ||
42 | // Setup rfb object, load settings from browser storage, then call | |
43 | // UI.init to setup the UI/menus | |
44 | load: function (callback) { | |
45 | WebUtil.initSettings(UI.start, callback); | |
46 | }, | |
47 | ||
f8b399d7 | 48 | onresize: function (callback) { |
49 | if (UI.getSetting('resize')) { | |
50 | var innerW = window.innerWidth; | |
51 | var innerH = window.innerHeight; | |
52 | var controlbarH = $D('noVNC-control-bar').offsetHeight; | |
53 | // For some unknown reason the container is higher than the canvas, | |
54 | // 5px higher in Firefox and 4px higher in Chrome | |
55 | var padding = 5; | |
56 | if (innerW !== undefined && innerH !== undefined) | |
57 | UI.rfb.setDesktopSize(innerW, innerH - controlbarH - padding); | |
58 | } | |
59 | }, | |
60 | ||
bbbf42bb SR |
61 | // Render default UI and initialize settings menu |
62 | start: function(callback) { | |
63 | UI.isTouchDevice = 'ontouchstart' in document.documentElement; | |
64 | ||
65 | // Stylesheet selection dropdown | |
66 | var sheet = WebUtil.selectStylesheet(); | |
67 | var sheets = WebUtil.getStylesheets(); | |
68 | var i; | |
69 | for (i = 0; i < sheets.length; i += 1) { | |
70 | UI.addOption($D('noVNC_stylesheet'),sheets[i].title, sheets[i].title); | |
71 | } | |
72 | ||
73 | // Logging selection dropdown | |
74 | var llevels = ['error', 'warn', 'info', 'debug']; | |
75 | for (i = 0; i < llevels.length; i += 1) { | |
76 | UI.addOption($D('noVNC_logging'),llevels[i], llevels[i]); | |
77 | } | |
78 | ||
79 | // Settings with immediate effects | |
80 | UI.initSetting('logging', 'warn'); | |
81 | WebUtil.init_logging(UI.getSetting('logging')); | |
82 | ||
83 | UI.initSetting('stylesheet', 'default'); | |
84 | WebUtil.selectStylesheet(null); | |
85 | // call twice to get around webkit bug | |
86 | WebUtil.selectStylesheet(UI.getSetting('stylesheet')); | |
87 | ||
88 | // if port == 80 (or 443) then it won't be present and should be | |
89 | // set manually | |
90 | var port = window.location.port; | |
91 | if (!port) { | |
92 | if (window.location.protocol.substring(0,5) == 'https') { | |
93 | port = 443; | |
94 | } | |
95 | else if (window.location.protocol.substring(0,4) == 'http') { | |
96 | port = 80; | |
97 | } | |
98 | } | |
99 | ||
100 | /* Populate the controls if defaults are provided in the URL */ | |
101 | UI.initSetting('host', window.location.hostname); | |
102 | UI.initSetting('port', port); | |
103 | UI.initSetting('password', ''); | |
104 | UI.initSetting('encrypt', (window.location.protocol === "https:")); | |
105 | UI.initSetting('true_color', true); | |
106 | UI.initSetting('cursor', !UI.isTouchDevice); | |
f8b399d7 | 107 | UI.initSetting('resize', false); |
bbbf42bb SR |
108 | UI.initSetting('shared', true); |
109 | UI.initSetting('view_only', false); | |
110 | UI.initSetting('path', 'websockify'); | |
111 | UI.initSetting('repeaterID', ''); | |
112 | ||
113 | UI.rfb = new RFB({'target': $D('noVNC_canvas'), | |
114 | 'onUpdateState': UI.updateState, | |
115 | 'onXvpInit': UI.updateXvpVisualState, | |
116 | 'onClipboard': UI.clipReceive, | |
f8b399d7 | 117 | 'onFBUComplete': UI.FBUComplete, |
118 | 'onFBResize': UI.updateViewDragButton, | |
bbbf42bb SR |
119 | 'onDesktopName': UI.updateDocumentTitle}); |
120 | ||
121 | var autoconnect = WebUtil.getQueryVar('autoconnect', false); | |
122 | if (autoconnect === 'true' || autoconnect == '1') { | |
123 | autoconnect = true; | |
124 | UI.connect(); | |
125 | } else { | |
126 | autoconnect = false; | |
127 | } | |
128 | ||
129 | UI.updateVisualState(); | |
130 | ||
131 | // Show mouse selector buttons on touch screen devices | |
132 | if (UI.isTouchDevice) { | |
133 | // Show mobile buttons | |
134 | $D('noVNC_mobile_buttons').style.display = "inline"; | |
135 | UI.setMouseButton(); | |
136 | // Remove the address bar | |
137 | setTimeout(function() { window.scrollTo(0, 1); }, 100); | |
138 | UI.forceSetting('clip', true); | |
bbbf42bb SR |
139 | } else { |
140 | UI.initSetting('clip', false); | |
141 | } | |
142 | ||
143 | //iOS Safari does not support CSS position:fixed. | |
144 | //This detects iOS devices and enables javascript workaround. | |
145 | if ((navigator.userAgent.match(/iPhone/i)) || | |
146 | (navigator.userAgent.match(/iPod/i)) || | |
147 | (navigator.userAgent.match(/iPad/i))) { | |
148 | //UI.setOnscroll(); | |
149 | //UI.setResize(); | |
150 | } | |
151 | UI.setBarPosition(); | |
152 | ||
153 | $D('noVNC_host').focus(); | |
154 | ||
155 | UI.setViewClip(); | |
f8b399d7 | 156 | |
157 | Util.addEvent(window, 'resize', function () { | |
158 | UI.setViewClip(); | |
159 | // When the window has been resized, wait until the size remains | |
160 | // the same for 0.5 seconds before sending the request for changing | |
161 | // the resolution of the session | |
162 | clearTimeout(resizeTimeout); | |
163 | resizeTimeout = setTimeout(function(){ | |
164 | UI.onresize(); | |
165 | }, 500); | |
166 | } ); | |
bbbf42bb | 167 | |
5b7598ac | 168 | Util.addEvent(window, 'load', UI.keyboardinputReset); |
169 | ||
bbbf42bb SR |
170 | Util.addEvent(window, 'beforeunload', function () { |
171 | if (UI.rfb_state === 'normal') { | |
172 | return "You are currently connected."; | |
173 | } | |
174 | } ); | |
175 | ||
176 | // Show description by default when hosted at for kanaka.github.com | |
177 | if (location.host === "kanaka.github.io") { | |
178 | // Open the description dialog | |
179 | $D('noVNC_description').style.display = "block"; | |
180 | } else { | |
181 | // Show the connect panel on first load unless autoconnecting | |
182 | if (autoconnect === UI.connSettingsOpen) { | |
183 | UI.toggleConnectPanel(); | |
184 | } | |
185 | } | |
186 | ||
187 | // Add mouse event click/focus/blur event handlers to the UI | |
188 | UI.addMouseHandlers(); | |
189 | ||
190 | if (typeof callback === "function") { | |
191 | callback(UI.rfb); | |
192 | } | |
193 | }, | |
194 | ||
195 | addMouseHandlers: function() { | |
196 | // Setup interface handlers that can't be inline | |
197 | $D("noVNC_view_drag_button").onclick = UI.setViewDrag; | |
198 | $D("noVNC_mouse_button0").onclick = function () { UI.setMouseButton(1); }; | |
199 | $D("noVNC_mouse_button1").onclick = function () { UI.setMouseButton(2); }; | |
200 | $D("noVNC_mouse_button2").onclick = function () { UI.setMouseButton(4); }; | |
201 | $D("noVNC_mouse_button4").onclick = function () { UI.setMouseButton(0); }; | |
202 | $D("showKeyboard").onclick = UI.showKeyboard; | |
203 | ||
204 | $D("keyboardinput").oninput = UI.keyInput; | |
205 | $D("keyboardinput").onblur = UI.keyInputBlur; | |
206 | ||
207 | $D("showExtraKeysButton").onclick = UI.showExtraKeys; | |
208 | $D("toggleCtrlButton").onclick = UI.toggleCtrl; | |
209 | $D("toggleAltButton").onclick = UI.toggleAlt; | |
210 | $D("sendTabButton").onclick = UI.sendTab; | |
211 | $D("sendEscButton").onclick = UI.sendEsc; | |
212 | ||
213 | $D("sendCtrlAltDelButton").onclick = UI.sendCtrlAltDel; | |
214 | $D("xvpShutdownButton").onclick = UI.xvpShutdown; | |
215 | $D("xvpRebootButton").onclick = UI.xvpReboot; | |
216 | $D("xvpResetButton").onclick = UI.xvpReset; | |
217 | $D("noVNC_status").onclick = UI.togglePopupStatusPanel; | |
218 | $D("noVNC_popup_status_panel").onclick = UI.togglePopupStatusPanel; | |
219 | $D("xvpButton").onclick = UI.toggleXvpPanel; | |
220 | $D("clipboardButton").onclick = UI.toggleClipboardPanel; | |
221 | $D("settingsButton").onclick = UI.toggleSettingsPanel; | |
222 | $D("connectButton").onclick = UI.toggleConnectPanel; | |
223 | $D("disconnectButton").onclick = UI.disconnect; | |
224 | $D("descriptionButton").onclick = UI.toggleConnectPanel; | |
225 | ||
226 | $D("noVNC_clipboard_text").onfocus = UI.displayBlur; | |
227 | $D("noVNC_clipboard_text").onblur = UI.displayFocus; | |
228 | $D("noVNC_clipboard_text").onchange = UI.clipSend; | |
229 | $D("noVNC_clipboard_clear_button").onclick = UI.clipClear; | |
230 | ||
231 | $D("noVNC_settings_menu").onmouseover = UI.displayBlur; | |
232 | $D("noVNC_settings_menu").onmouseover = UI.displayFocus; | |
233 | $D("noVNC_apply").onclick = UI.settingsApply; | |
234 | ||
235 | $D("noVNC_connect_button").onclick = UI.connect; | |
236 | }, | |
237 | ||
238 | // Read form control compatible setting from cookie | |
239 | getSetting: function(name) { | |
240 | var ctrl = $D('noVNC_' + name); | |
241 | var val = WebUtil.readSetting(name); | |
f8b399d7 | 242 | if (typeof val !== 'undefined' && val !== null && ctrl.type === 'checkbox') { |
bbbf42bb SR |
243 | if (val.toString().toLowerCase() in {'0':1, 'no':1, 'false':1}) { |
244 | val = false; | |
245 | } else { | |
246 | val = true; | |
247 | } | |
248 | } | |
249 | return val; | |
250 | }, | |
251 | ||
252 | // Update cookie and form control setting. If value is not set, then | |
253 | // updates from control to current cookie setting. | |
254 | updateSetting: function(name, value) { | |
255 | ||
256 | // Save the cookie for this session | |
257 | if (typeof value !== 'undefined') { | |
258 | WebUtil.writeSetting(name, value); | |
259 | } | |
260 | ||
261 | // Update the settings control | |
262 | value = UI.getSetting(name); | |
263 | ||
264 | var ctrl = $D('noVNC_' + name); | |
265 | if (ctrl.type === 'checkbox') { | |
266 | ctrl.checked = value; | |
267 | ||
268 | } else if (typeof ctrl.options !== 'undefined') { | |
269 | for (var i = 0; i < ctrl.options.length; i += 1) { | |
270 | if (ctrl.options[i].value === value) { | |
271 | ctrl.selectedIndex = i; | |
272 | break; | |
273 | } | |
274 | } | |
275 | } else { | |
276 | /*Weird IE9 error leads to 'null' appearring | |
277 | in textboxes instead of ''.*/ | |
278 | if (value === null) { | |
279 | value = ""; | |
280 | } | |
281 | ctrl.value = value; | |
282 | } | |
283 | }, | |
284 | ||
285 | // Save control setting to cookie | |
286 | saveSetting: function(name) { | |
287 | var val, ctrl = $D('noVNC_' + name); | |
288 | if (ctrl.type === 'checkbox') { | |
289 | val = ctrl.checked; | |
290 | } else if (typeof ctrl.options !== 'undefined') { | |
291 | val = ctrl.options[ctrl.selectedIndex].value; | |
292 | } else { | |
293 | val = ctrl.value; | |
294 | } | |
295 | WebUtil.writeSetting(name, val); | |
296 | //Util.Debug("Setting saved '" + name + "=" + val + "'"); | |
297 | return val; | |
298 | }, | |
299 | ||
300 | // Initial page load read/initialization of settings | |
301 | initSetting: function(name, defVal) { | |
302 | // Check Query string followed by cookie | |
303 | var val = WebUtil.getQueryVar(name); | |
304 | if (val === null) { | |
305 | val = WebUtil.readSetting(name, defVal); | |
306 | } | |
307 | UI.updateSetting(name, val); | |
308 | return val; | |
309 | }, | |
310 | ||
311 | // Force a setting to be a certain value | |
312 | forceSetting: function(name, val) { | |
313 | UI.updateSetting(name, val); | |
314 | return val; | |
315 | }, | |
316 | ||
317 | ||
318 | // Show the popup status panel | |
319 | togglePopupStatusPanel: function() { | |
320 | var psp = $D('noVNC_popup_status_panel'); | |
321 | if (UI.popupStatusOpen === true) { | |
322 | psp.style.display = "none"; | |
323 | UI.popupStatusOpen = false; | |
324 | } else { | |
325 | psp.innerHTML = $D('noVNC_status').innerHTML; | |
326 | psp.style.display = "block"; | |
327 | psp.style.left = window.innerWidth/2 - | |
328 | parseInt(window.getComputedStyle(psp, false).width)/2 -30 + "px"; | |
329 | UI.popupStatusOpen = true; | |
330 | } | |
331 | }, | |
332 | ||
333 | // Show the XVP panel | |
334 | toggleXvpPanel: function() { | |
335 | // Close the description panel | |
336 | $D('noVNC_description').style.display = "none"; | |
337 | // Close settings if open | |
338 | if (UI.settingsOpen === true) { | |
339 | UI.settingsApply(); | |
340 | UI.closeSettingsMenu(); | |
341 | } | |
342 | // Close connection settings if open | |
343 | if (UI.connSettingsOpen === true) { | |
344 | UI.toggleConnectPanel(); | |
345 | } | |
346 | // Close popup status panel if open | |
347 | if (UI.popupStatusOpen === true) { | |
348 | UI.togglePopupStatusPanel(); | |
349 | } | |
350 | // Close clipboard panel if open | |
351 | if (UI.clipboardOpen === true) { | |
352 | UI.toggleClipboardPanel(); | |
353 | } | |
354 | // Toggle XVP panel | |
355 | if (UI.xvpOpen === true) { | |
356 | $D('noVNC_xvp').style.display = "none"; | |
357 | $D('xvpButton').className = "noVNC_status_button"; | |
358 | UI.xvpOpen = false; | |
359 | } else { | |
360 | $D('noVNC_xvp').style.display = "block"; | |
361 | $D('xvpButton').className = "noVNC_status_button_selected"; | |
362 | UI.xvpOpen = true; | |
363 | } | |
364 | }, | |
365 | ||
366 | // Show the clipboard panel | |
367 | toggleClipboardPanel: function() { | |
368 | // Close the description panel | |
369 | $D('noVNC_description').style.display = "none"; | |
370 | // Close settings if open | |
371 | if (UI.settingsOpen === true) { | |
372 | UI.settingsApply(); | |
373 | UI.closeSettingsMenu(); | |
374 | } | |
375 | // Close connection settings if open | |
376 | if (UI.connSettingsOpen === true) { | |
377 | UI.toggleConnectPanel(); | |
378 | } | |
379 | // Close popup status panel if open | |
380 | if (UI.popupStatusOpen === true) { | |
381 | UI.togglePopupStatusPanel(); | |
382 | } | |
383 | // Close XVP panel if open | |
384 | if (UI.xvpOpen === true) { | |
385 | UI.toggleXvpPanel(); | |
386 | } | |
387 | // Toggle Clipboard Panel | |
388 | if (UI.clipboardOpen === true) { | |
389 | $D('noVNC_clipboard').style.display = "none"; | |
390 | $D('clipboardButton').className = "noVNC_status_button"; | |
391 | UI.clipboardOpen = false; | |
392 | } else { | |
393 | $D('noVNC_clipboard').style.display = "block"; | |
394 | $D('clipboardButton').className = "noVNC_status_button_selected"; | |
395 | UI.clipboardOpen = true; | |
396 | } | |
397 | }, | |
398 | ||
399 | // Show the connection settings panel/menu | |
400 | toggleConnectPanel: function() { | |
401 | // Close the description panel | |
402 | $D('noVNC_description').style.display = "none"; | |
403 | // Close connection settings if open | |
404 | if (UI.settingsOpen === true) { | |
405 | UI.settingsApply(); | |
406 | UI.closeSettingsMenu(); | |
407 | $D('connectButton').className = "noVNC_status_button"; | |
408 | } | |
409 | // Close clipboard panel if open | |
410 | if (UI.clipboardOpen === true) { | |
411 | UI.toggleClipboardPanel(); | |
412 | } | |
413 | // Close popup status panel if open | |
414 | if (UI.popupStatusOpen === true) { | |
415 | UI.togglePopupStatusPanel(); | |
416 | } | |
417 | // Close XVP panel if open | |
418 | if (UI.xvpOpen === true) { | |
419 | UI.toggleXvpPanel(); | |
420 | } | |
421 | ||
422 | // Toggle Connection Panel | |
423 | if (UI.connSettingsOpen === true) { | |
424 | $D('noVNC_controls').style.display = "none"; | |
425 | $D('connectButton').className = "noVNC_status_button"; | |
426 | UI.connSettingsOpen = false; | |
427 | UI.saveSetting('host'); | |
428 | UI.saveSetting('port'); | |
429 | //UI.saveSetting('password'); | |
430 | } else { | |
431 | $D('noVNC_controls').style.display = "block"; | |
432 | $D('connectButton').className = "noVNC_status_button_selected"; | |
433 | UI.connSettingsOpen = true; | |
434 | $D('noVNC_host').focus(); | |
435 | } | |
436 | }, | |
437 | ||
438 | // Toggle the settings menu: | |
439 | // On open, settings are refreshed from saved cookies. | |
440 | // On close, settings are applied | |
441 | toggleSettingsPanel: function() { | |
442 | // Close the description panel | |
443 | $D('noVNC_description').style.display = "none"; | |
444 | if (UI.settingsOpen) { | |
445 | UI.settingsApply(); | |
446 | UI.closeSettingsMenu(); | |
447 | } else { | |
448 | UI.updateSetting('encrypt'); | |
449 | UI.updateSetting('true_color'); | |
450 | if (UI.rfb.get_display().get_cursor_uri()) { | |
451 | UI.updateSetting('cursor'); | |
452 | } else { | |
453 | UI.updateSetting('cursor', !UI.isTouchDevice); | |
454 | $D('noVNC_cursor').disabled = true; | |
455 | } | |
456 | UI.updateSetting('clip'); | |
f8b399d7 | 457 | UI.updateSetting('resize'); |
bbbf42bb SR |
458 | UI.updateSetting('shared'); |
459 | UI.updateSetting('view_only'); | |
460 | UI.updateSetting('path'); | |
461 | UI.updateSetting('repeaterID'); | |
462 | UI.updateSetting('stylesheet'); | |
463 | UI.updateSetting('logging'); | |
464 | ||
465 | UI.openSettingsMenu(); | |
466 | } | |
467 | }, | |
468 | ||
469 | // Open menu | |
470 | openSettingsMenu: function() { | |
471 | // Close the description panel | |
472 | $D('noVNC_description').style.display = "none"; | |
473 | // Close clipboard panel if open | |
474 | if (UI.clipboardOpen === true) { | |
475 | UI.toggleClipboardPanel(); | |
476 | } | |
477 | // Close connection settings if open | |
478 | if (UI.connSettingsOpen === true) { | |
479 | UI.toggleConnectPanel(); | |
480 | } | |
481 | // Close popup status panel if open | |
482 | if (UI.popupStatusOpen === true) { | |
483 | UI.togglePopupStatusPanel(); | |
484 | } | |
485 | // Close XVP panel if open | |
486 | if (UI.xvpOpen === true) { | |
487 | UI.toggleXvpPanel(); | |
488 | } | |
489 | $D('noVNC_settings').style.display = "block"; | |
490 | $D('settingsButton').className = "noVNC_status_button_selected"; | |
491 | UI.settingsOpen = true; | |
492 | }, | |
493 | ||
494 | // Close menu (without applying settings) | |
495 | closeSettingsMenu: function() { | |
496 | $D('noVNC_settings').style.display = "none"; | |
497 | $D('settingsButton').className = "noVNC_status_button"; | |
498 | UI.settingsOpen = false; | |
499 | }, | |
500 | ||
501 | // Save/apply settings when 'Apply' button is pressed | |
502 | settingsApply: function() { | |
503 | //Util.Debug(">> settingsApply"); | |
504 | UI.saveSetting('encrypt'); | |
505 | UI.saveSetting('true_color'); | |
506 | if (UI.rfb.get_display().get_cursor_uri()) { | |
507 | UI.saveSetting('cursor'); | |
508 | } | |
509 | UI.saveSetting('clip'); | |
f8b399d7 | 510 | UI.saveSetting('resize'); |
bbbf42bb SR |
511 | UI.saveSetting('shared'); |
512 | UI.saveSetting('view_only'); | |
513 | UI.saveSetting('path'); | |
514 | UI.saveSetting('repeaterID'); | |
515 | UI.saveSetting('stylesheet'); | |
516 | UI.saveSetting('logging'); | |
517 | ||
518 | // Settings with immediate (non-connected related) effect | |
519 | WebUtil.selectStylesheet(UI.getSetting('stylesheet')); | |
520 | WebUtil.init_logging(UI.getSetting('logging')); | |
521 | UI.setViewClip(); | |
522 | UI.setViewDrag(UI.rfb.get_viewportDrag()); | |
523 | //Util.Debug("<< settingsApply"); | |
524 | }, | |
525 | ||
526 | ||
527 | ||
528 | setPassword: function() { | |
529 | UI.rfb.sendPassword($D('noVNC_password').value); | |
530 | //Reset connect button. | |
531 | $D('noVNC_connect_button').value = "Connect"; | |
532 | $D('noVNC_connect_button').onclick = UI.Connect; | |
533 | //Hide connection panel. | |
f8ddfc73 | 534 | UI.toggleConnectPanel(); |
bbbf42bb SR |
535 | return false; |
536 | }, | |
da6dd893 | 537 | |
bbbf42bb SR |
538 | sendCtrlAltDel: function() { |
539 | UI.rfb.sendCtrlAltDel(); | |
540 | }, | |
53fc7392 | 541 | |
bbbf42bb SR |
542 | xvpShutdown: function() { |
543 | UI.rfb.xvpShutdown(); | |
544 | }, | |
01a9eee9 | 545 | |
bbbf42bb SR |
546 | xvpReboot: function() { |
547 | UI.rfb.xvpReboot(); | |
548 | }, | |
53fc7392 | 549 | |
bbbf42bb SR |
550 | xvpReset: function() { |
551 | UI.rfb.xvpReset(); | |
552 | }, | |
01a9eee9 | 553 | |
bbbf42bb SR |
554 | setMouseButton: function(num) { |
555 | if (typeof num === 'undefined') { | |
556 | // Disable mouse buttons | |
557 | num = -1; | |
da6dd893 | 558 | } |
bbbf42bb SR |
559 | if (UI.rfb) { |
560 | UI.rfb.get_mouse().set_touchButton(num); | |
561 | } | |
562 | ||
563 | var blist = [0, 1,2,4]; | |
564 | for (var b = 0; b < blist.length; b++) { | |
565 | var button = $D('noVNC_mouse_button' + blist[b]); | |
566 | if (blist[b] === num) { | |
567 | button.style.display = ""; | |
568 | } else { | |
569 | button.style.display = "none"; | |
570 | } | |
571 | } | |
572 | }, | |
573 | ||
574 | updateState: function(rfb, state, oldstate, msg) { | |
575 | UI.rfb_state = state; | |
576 | var klass; | |
577 | switch (state) { | |
578 | case 'failed': | |
579 | case 'fatal': | |
580 | klass = "noVNC_status_error"; | |
581 | break; | |
582 | case 'normal': | |
583 | klass = "noVNC_status_normal"; | |
584 | break; | |
585 | case 'disconnected': | |
586 | $D('noVNC_logo').style.display = "block"; | |
587 | /* falls through */ | |
588 | case 'loaded': | |
589 | klass = "noVNC_status_normal"; | |
590 | break; | |
591 | case 'password': | |
592 | UI.toggleConnectPanel(); | |
593 | ||
594 | $D('noVNC_connect_button').value = "Send Password"; | |
595 | $D('noVNC_connect_button').onclick = UI.setPassword; | |
596 | $D('noVNC_password').focus(); | |
597 | ||
598 | klass = "noVNC_status_warn"; | |
599 | break; | |
600 | default: | |
601 | klass = "noVNC_status_warn"; | |
602 | break; | |
603 | } | |
604 | ||
605 | if (typeof(msg) !== 'undefined') { | |
606 | $D('noVNC-control-bar').setAttribute("class", klass); | |
607 | $D('noVNC_status').innerHTML = msg; | |
608 | } | |
609 | ||
610 | UI.updateVisualState(); | |
611 | }, | |
612 | ||
613 | // Disable/enable controls depending on connection state | |
614 | updateVisualState: function() { | |
615 | var connected = UI.rfb_state === 'normal' ? true : false; | |
616 | ||
617 | //Util.Debug(">> updateVisualState"); | |
618 | $D('noVNC_encrypt').disabled = connected; | |
619 | $D('noVNC_true_color').disabled = connected; | |
620 | if (UI.rfb && UI.rfb.get_display() && | |
621 | UI.rfb.get_display().get_cursor_uri()) { | |
622 | $D('noVNC_cursor').disabled = connected; | |
623 | } else { | |
624 | UI.updateSetting('cursor', !UI.isTouchDevice); | |
625 | $D('noVNC_cursor').disabled = true; | |
626 | } | |
f8b399d7 | 627 | $D('noVNC_clip').disabled = connected || UI.isTouchDevice; |
628 | $D('noVNC_resize').disabled = connected; | |
bbbf42bb SR |
629 | $D('noVNC_shared').disabled = connected; |
630 | $D('noVNC_view_only').disabled = connected; | |
631 | $D('noVNC_path').disabled = connected; | |
632 | $D('noVNC_repeaterID').disabled = connected; | |
633 | ||
634 | if (connected) { | |
635 | UI.setViewClip(); | |
636 | UI.setMouseButton(1); | |
637 | $D('clipboardButton').style.display = "inline"; | |
638 | $D('showKeyboard').style.display = "inline"; | |
639 | $D('noVNC_extra_keys').style.display = ""; | |
640 | $D('sendCtrlAltDelButton').style.display = "inline"; | |
641 | } else { | |
642 | UI.setMouseButton(); | |
643 | $D('clipboardButton').style.display = "none"; | |
644 | $D('showKeyboard').style.display = "none"; | |
645 | $D('noVNC_extra_keys').style.display = "none"; | |
646 | $D('sendCtrlAltDelButton').style.display = "none"; | |
647 | UI.updateXvpVisualState(0); | |
648 | } | |
649 | ||
650 | // State change disables viewport dragging. | |
651 | // It is enabled (toggled) by direct click on the button | |
652 | UI.setViewDrag(false); | |
653 | ||
654 | switch (UI.rfb_state) { | |
655 | case 'fatal': | |
656 | case 'failed': | |
657 | case 'loaded': | |
658 | case 'disconnected': | |
659 | $D('connectButton').style.display = ""; | |
660 | $D('disconnectButton').style.display = "none"; | |
661 | break; | |
662 | default: | |
663 | $D('connectButton').style.display = "none"; | |
664 | $D('disconnectButton').style.display = ""; | |
665 | break; | |
666 | } | |
667 | ||
668 | //Util.Debug("<< updateVisualState"); | |
669 | }, | |
670 | ||
671 | // Disable/enable XVP button | |
672 | updateXvpVisualState: function(ver) { | |
673 | if (ver >= 1) { | |
674 | $D('xvpButton').style.display = 'inline'; | |
675 | } else { | |
676 | $D('xvpButton').style.display = 'none'; | |
677 | // Close XVP panel if open | |
678 | if (UI.xvpOpen === true) { | |
679 | UI.toggleXvpPanel(); | |
680 | } | |
681 | } | |
682 | }, | |
683 | ||
f8b399d7 | 684 | // This resize can not be done until we know from the first Frame Buffer Update |
685 | // if it is supported or not. | |
686 | // The resize is needed to make sure the server desktop size is updated to the | |
687 | // corresponding size of the current local window when reconnecting to an | |
688 | // existing session. | |
689 | FBUComplete: function(rfb, fbu) { | |
690 | UI.onresize(); | |
691 | UI.rfb.set_onFBUComplete(function() { }); | |
692 | }, | |
693 | ||
bbbf42bb SR |
694 | // Display the desktop name in the document title |
695 | updateDocumentTitle: function(rfb, name) { | |
696 | document.title = name + " - noVNC"; | |
697 | }, | |
698 | ||
699 | clipReceive: function(rfb, text) { | |
700 | Util.Debug(">> UI.clipReceive: " + text.substr(0,40) + "..."); | |
701 | $D('noVNC_clipboard_text').value = text; | |
702 | Util.Debug("<< UI.clipReceive"); | |
703 | }, | |
704 | ||
705 | connect: function() { | |
706 | UI.closeSettingsMenu(); | |
c506a481 | 707 | UI.toggleConnectPanel(); |
f00b1e37 | 708 | |
bbbf42bb SR |
709 | var host = $D('noVNC_host').value; |
710 | var port = $D('noVNC_port').value; | |
711 | var password = $D('noVNC_password').value; | |
712 | var path = $D('noVNC_path').value; | |
713 | if ((!host) || (!port)) { | |
714 | throw new Error("Must set host and port"); | |
715 | } | |
53fc7392 | 716 | |
bbbf42bb SR |
717 | UI.rfb.set_encrypt(UI.getSetting('encrypt')); |
718 | UI.rfb.set_true_color(UI.getSetting('true_color')); | |
719 | UI.rfb.set_local_cursor(UI.getSetting('cursor')); | |
720 | UI.rfb.set_shared(UI.getSetting('shared')); | |
721 | UI.rfb.set_view_only(UI.getSetting('view_only')); | |
722 | UI.rfb.set_repeaterID(UI.getSetting('repeaterID')); | |
53fc7392 | 723 | |
bbbf42bb | 724 | UI.rfb.connect(host, port, password, path); |
8e0f0088 | 725 | |
bbbf42bb SR |
726 | //Close dialog. |
727 | setTimeout(UI.setBarPosition, 100); | |
728 | $D('noVNC_logo').style.display = "none"; | |
729 | }, | |
5299db1a | 730 | |
bbbf42bb SR |
731 | disconnect: function() { |
732 | UI.closeSettingsMenu(); | |
733 | UI.rfb.disconnect(); | |
8e0f0088 | 734 | |
f8b399d7 | 735 | // Restore the callback used for initial resize |
736 | UI.rfb.set_onFBUComplete(UI.FBUComplete); | |
737 | ||
bbbf42bb SR |
738 | $D('noVNC_logo').style.display = "block"; |
739 | UI.connSettingsOpen = false; | |
740 | UI.toggleConnectPanel(); | |
741 | }, | |
742 | ||
743 | displayBlur: function() { | |
744 | UI.rfb.get_keyboard().set_focused(false); | |
745 | UI.rfb.get_mouse().set_focused(false); | |
746 | }, | |
747 | ||
748 | displayFocus: function() { | |
749 | UI.rfb.get_keyboard().set_focused(true); | |
750 | UI.rfb.get_mouse().set_focused(true); | |
751 | }, | |
752 | ||
753 | clipClear: function() { | |
754 | $D('noVNC_clipboard_text').value = ""; | |
755 | UI.rfb.clipboardPasteFrom(""); | |
756 | }, | |
757 | ||
758 | clipSend: function() { | |
759 | var text = $D('noVNC_clipboard_text').value; | |
760 | Util.Debug(">> UI.clipSend: " + text.substr(0,40) + "..."); | |
761 | UI.rfb.clipboardPasteFrom(text); | |
762 | Util.Debug("<< UI.clipSend"); | |
763 | }, | |
764 | ||
765 | // Enable/disable and configure viewport clipping | |
766 | setViewClip: function(clip) { | |
767 | var display; | |
768 | if (UI.rfb) { | |
769 | display = UI.rfb.get_display(); | |
770 | } else { | |
771 | return; | |
772 | } | |
8e0f0088 | 773 | |
bbbf42bb SR |
774 | var cur_clip = display.get_viewport(); |
775 | ||
776 | if (typeof(clip) !== 'boolean') { | |
777 | // Use current setting | |
778 | clip = UI.getSetting('clip'); | |
779 | } | |
8e0f0088 | 780 | |
bbbf42bb SR |
781 | if (clip && !cur_clip) { |
782 | // Turn clipping on | |
783 | UI.updateSetting('clip', true); | |
784 | } else if (!clip && cur_clip) { | |
785 | // Turn clipping off | |
786 | UI.updateSetting('clip', false); | |
787 | display.set_viewport(false); | |
788 | $D('noVNC_canvas').style.position = 'static'; | |
f8b399d7 | 789 | display.viewportChangeSize(); |
bbbf42bb SR |
790 | } |
791 | if (UI.getSetting('clip')) { | |
792 | // If clipping, update clipping settings | |
793 | $D('noVNC_canvas').style.position = 'absolute'; | |
794 | var pos = Util.getPosition($D('noVNC_canvas')); | |
795 | var new_w = window.innerWidth - pos.x; | |
796 | var new_h = window.innerHeight - pos.y; | |
797 | display.set_viewport(true); | |
f8b399d7 | 798 | display.viewportChangeSize(new_w, new_h); |
bbbf42bb SR |
799 | } |
800 | }, | |
801 | ||
802 | // Toggle/set/unset the viewport drag/move button | |
803 | setViewDrag: function(drag) { | |
bbbf42bb SR |
804 | if (!UI.rfb) { return; } |
805 | ||
f8b399d7 | 806 | UI.updateViewDragButton(); |
8e0f0088 | 807 | |
bbbf42bb SR |
808 | if (typeof(drag) === "undefined" || |
809 | typeof(drag) === "object") { | |
810 | // If not specified, then toggle | |
811 | drag = !UI.rfb.get_viewportDrag(); | |
812 | } | |
f8b399d7 | 813 | var vmb = $D('noVNC_view_drag_button'); |
bbbf42bb SR |
814 | if (drag) { |
815 | vmb.className = "noVNC_status_button_selected"; | |
816 | UI.rfb.set_viewportDrag(true); | |
817 | } else { | |
818 | vmb.className = "noVNC_status_button"; | |
819 | UI.rfb.set_viewportDrag(false); | |
820 | } | |
821 | }, | |
822 | ||
f8b399d7 | 823 | updateViewDragButton: function() { |
824 | var vmb = $D('noVNC_view_drag_button'); | |
825 | if (UI.rfb_state === 'normal' && | |
826 | UI.rfb.get_display().get_viewport() && | |
827 | UI.rfb.get_display().fbuClip()) { | |
828 | vmb.style.display = "inline"; | |
829 | } else { | |
830 | vmb.style.display = "none"; | |
831 | } | |
832 | }, | |
833 | ||
bbbf42bb SR |
834 | // On touch devices, show the OS keyboard |
835 | showKeyboard: function() { | |
836 | var kbi = $D('keyboardinput'); | |
837 | var skb = $D('showKeyboard'); | |
838 | var l = kbi.value.length; | |
839 | if(UI.keyboardVisible === false) { | |
840 | kbi.focus(); | |
841 | try { kbi.setSelectionRange(l, l); } // Move the caret to the end | |
842 | catch (err) {} // setSelectionRange is undefined in Google Chrome | |
843 | UI.keyboardVisible = true; | |
844 | skb.className = "noVNC_status_button_selected"; | |
845 | } else if(UI.keyboardVisible === true) { | |
846 | kbi.blur(); | |
847 | skb.className = "noVNC_status_button"; | |
848 | UI.keyboardVisible = false; | |
849 | } | |
850 | }, | |
851 | ||
852 | keepKeyboard: function() { | |
853 | clearTimeout(UI.hideKeyboardTimeout); | |
854 | if(UI.keyboardVisible === true) { | |
855 | $D('keyboardinput').focus(); | |
856 | $D('showKeyboard').className = "noVNC_status_button_selected"; | |
857 | } else if(UI.keyboardVisible === false) { | |
858 | $D('keyboardinput').blur(); | |
859 | $D('showKeyboard').className = "noVNC_status_button"; | |
860 | } | |
861 | }, | |
862 | ||
863 | keyboardinputReset: function() { | |
864 | var kbi = $D('keyboardinput'); | |
865 | kbi.value = new Array(UI.defaultKeyboardinputLen).join("_"); | |
866 | UI.lastKeyboardinput = kbi.value; | |
867 | }, | |
868 | ||
869 | // When normal keyboard events are left uncought, use the input events from | |
870 | // the keyboardinput element instead and generate the corresponding key events. | |
871 | // This code is required since some browsers on Android are inconsistent in | |
872 | // sending keyCodes in the normal keyboard events when using on screen keyboards. | |
873 | keyInput: function(event) { | |
874 | var newValue = event.target.value; | |
875 | var oldValue = UI.lastKeyboardinput; | |
876 | ||
877 | var newLen; | |
878 | try { | |
879 | // Try to check caret position since whitespace at the end | |
880 | // will not be considered by value.length in some browsers | |
881 | newLen = Math.max(event.target.selectionStart, newValue.length); | |
882 | } catch (err) { | |
883 | // selectionStart is undefined in Google Chrome | |
884 | newLen = newValue.length; | |
885 | } | |
886 | var oldLen = oldValue.length; | |
887 | ||
888 | var backspaces; | |
889 | var inputs = newLen - oldLen; | |
890 | if (inputs < 0) { | |
891 | backspaces = -inputs; | |
892 | } else { | |
893 | backspaces = 0; | |
894 | } | |
8e0f0088 | 895 | |
bbbf42bb SR |
896 | // Compare the old string with the new to account for |
897 | // text-corrections or other input that modify existing text | |
898 | var i; | |
899 | for (i = 0; i < Math.min(oldLen, newLen); i++) { | |
900 | if (newValue.charAt(i) != oldValue.charAt(i)) { | |
901 | inputs = newLen - i; | |
902 | backspaces = oldLen - i; | |
903 | break; | |
904 | } | |
905 | } | |
906 | ||
907 | // Send the key events | |
908 | for (i = 0; i < backspaces; i++) { | |
909 | UI.rfb.sendKey(XK_BackSpace); | |
910 | } | |
911 | for (i = newLen - inputs; i < newLen; i++) { | |
912 | UI.rfb.sendKey(newValue.charCodeAt(i)); | |
913 | } | |
914 | ||
915 | // Control the text content length in the keyboardinput element | |
916 | if (newLen > 2 * UI.defaultKeyboardinputLen) { | |
917 | UI.keyboardinputReset(); | |
918 | } else if (newLen < 1) { | |
919 | // There always have to be some text in the keyboardinput | |
920 | // element with which backspace can interact. | |
921 | UI.keyboardinputReset(); | |
922 | // This sometimes causes the keyboard to disappear for a second | |
923 | // but it is required for the android keyboard to recognize that | |
924 | // text has been added to the field | |
925 | event.target.blur(); | |
926 | // This has to be ran outside of the input handler in order to work | |
927 | setTimeout(function() { UI.keepKeyboard(); }, 0); | |
928 | } else { | |
929 | UI.lastKeyboardinput = newValue; | |
930 | } | |
931 | }, | |
932 | ||
933 | keyInputBlur: function() { | |
934 | $D('showKeyboard').className = "noVNC_status_button"; | |
935 | //Weird bug in iOS if you change keyboardVisible | |
936 | //here it does not actually occur so next time | |
937 | //you click keyboard icon it doesnt work. | |
938 | UI.hideKeyboardTimeout = setTimeout(function() { UI.setKeyboard(); },100); | |
939 | }, | |
940 | ||
941 | showExtraKeys: function() { | |
942 | UI.keepKeyboard(); | |
943 | if(UI.extraKeysVisible === false) { | |
944 | $D('toggleCtrlButton').style.display = "inline"; | |
945 | $D('toggleAltButton').style.display = "inline"; | |
946 | $D('sendTabButton').style.display = "inline"; | |
947 | $D('sendEscButton').style.display = "inline"; | |
948 | $D('showExtraKeysButton').className = "noVNC_status_button_selected"; | |
949 | UI.extraKeysVisible = true; | |
950 | } else if(UI.extraKeysVisible === true) { | |
951 | $D('toggleCtrlButton').style.display = ""; | |
952 | $D('toggleAltButton').style.display = ""; | |
953 | $D('sendTabButton').style.display = ""; | |
954 | $D('sendEscButton').style.display = ""; | |
955 | $D('showExtraKeysButton').className = "noVNC_status_button"; | |
956 | UI.extraKeysVisible = false; | |
957 | } | |
958 | }, | |
959 | ||
960 | toggleCtrl: function() { | |
961 | UI.keepKeyboard(); | |
962 | if(UI.ctrlOn === false) { | |
963 | UI.rfb.sendKey(XK_Control_L, true); | |
964 | $D('toggleCtrlButton').className = "noVNC_status_button_selected"; | |
965 | UI.ctrlOn = true; | |
966 | } else if(UI.ctrlOn === true) { | |
967 | UI.rfb.sendKey(XK_Control_L, false); | |
968 | $D('toggleCtrlButton').className = "noVNC_status_button"; | |
969 | UI.ctrlOn = false; | |
970 | } | |
971 | }, | |
972 | ||
973 | toggleAlt: function() { | |
974 | UI.keepKeyboard(); | |
975 | if(UI.altOn === false) { | |
976 | UI.rfb.sendKey(XK_Alt_L, true); | |
977 | $D('toggleAltButton').className = "noVNC_status_button_selected"; | |
978 | UI.altOn = true; | |
979 | } else if(UI.altOn === true) { | |
980 | UI.rfb.sendKey(XK_Alt_L, false); | |
981 | $D('toggleAltButton').className = "noVNC_status_button"; | |
982 | UI.altOn = false; | |
983 | } | |
984 | }, | |
985 | ||
986 | sendTab: function() { | |
987 | UI.keepKeyboard(); | |
988 | UI.rfb.sendKey(XK_Tab); | |
989 | }, | |
990 | ||
991 | sendEsc: function() { | |
992 | UI.keepKeyboard(); | |
993 | UI.rfb.sendKey(XK_Escape); | |
994 | }, | |
995 | ||
996 | setKeyboard: function() { | |
997 | UI.keyboardVisible = false; | |
998 | }, | |
999 | ||
1000 | // iOS < Version 5 does not support position fixed. Javascript workaround: | |
1001 | setOnscroll: function() { | |
1002 | window.onscroll = function() { | |
1003 | UI.setBarPosition(); | |
1004 | }; | |
1005 | }, | |
1006 | ||
1007 | setResize: function () { | |
1008 | window.onResize = function() { | |
1009 | UI.setBarPosition(); | |
1010 | }; | |
1011 | }, | |
1012 | ||
1013 | //Helper to add options to dropdown. | |
1014 | addOption: function(selectbox, text, value) { | |
1015 | var optn = document.createElement("OPTION"); | |
1016 | optn.text = text; | |
1017 | optn.value = value; | |
1018 | selectbox.options.add(optn); | |
1019 | }, | |
1020 | ||
1021 | setBarPosition: function() { | |
1022 | $D('noVNC-control-bar').style.top = (window.pageYOffset) + 'px'; | |
1023 | $D('noVNC_mobile_buttons').style.left = (window.pageXOffset) + 'px'; | |
1024 | ||
1025 | var vncwidth = $D('noVNC_screen').style.offsetWidth; | |
1026 | $D('noVNC-control-bar').style.width = vncwidth + 'px'; | |
1027 | } | |
1028 | ||
1029 | }; | |
1030 | })(); |