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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 |
fdedbafb | 4 | * Copyright (C) 2015 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, $D, Util, WebUtil, RFB, Display */ | |
12 | ||
13 | var UI; | |
14 | ||
15 | (function () { | |
16 | "use strict"; | |
17 | ||
18 | // Load supporting scripts | |
19 | window.onscriptsload = function () { UI.load(); }; | |
bbbf42bb SR |
20 | Util.load_scripts(["webutil.js", "base64.js", "websock.js", "des.js", |
21 | "keysymdef.js", "keyboard.js", "input.js", "display.js", | |
6940936f | 22 | "rfb.js", "keysym.js", "inflator.js"]); |
bbbf42bb | 23 | |
bd6874e0 | 24 | UI = { |
bbbf42bb | 25 | |
045d9224 | 26 | rfb_state: 'loaded', |
27 | resizeTimeout: null, | |
28 | settingsOpen: false, | |
29 | connSettingsOpen: false, | |
74f2ac96 | 30 | popupStatusTimeout: null, |
bbbf42bb SR |
31 | clipboardOpen: false, |
32 | keyboardVisible: false, | |
33 | hideKeyboardTimeout: null, | |
34 | lastKeyboardinput: null, | |
35 | defaultKeyboardinputLen: 100, | |
36 | extraKeysVisible: false, | |
37 | ctrlOn: false, | |
38 | altOn: false, | |
39 | isTouchDevice: false, | |
a6357e82 | 40 | rememberedClipSetting: null, |
bbbf42bb SR |
41 | |
42 | // Setup rfb object, load settings from browser storage, then call | |
43 | // UI.init to setup the UI/menus | |
44 | load: function (callback) { | |
45 | WebUtil.initSettings(UI.start, callback); | |
46 | }, | |
47 | ||
48 | // Render default UI and initialize settings menu | |
49 | start: function(callback) { | |
50 | UI.isTouchDevice = 'ontouchstart' in document.documentElement; | |
51 | ||
52 | // Stylesheet selection dropdown | |
53 | var sheet = WebUtil.selectStylesheet(); | |
54 | var sheets = WebUtil.getStylesheets(); | |
55 | var i; | |
56 | for (i = 0; i < sheets.length; i += 1) { | |
57 | UI.addOption($D('noVNC_stylesheet'),sheets[i].title, sheets[i].title); | |
58 | } | |
59 | ||
60 | // Logging selection dropdown | |
61 | var llevels = ['error', 'warn', 'info', 'debug']; | |
62 | for (i = 0; i < llevels.length; i += 1) { | |
63 | UI.addOption($D('noVNC_logging'),llevels[i], llevels[i]); | |
64 | } | |
65 | ||
66 | // Settings with immediate effects | |
67 | UI.initSetting('logging', 'warn'); | |
68 | WebUtil.init_logging(UI.getSetting('logging')); | |
69 | ||
70 | UI.initSetting('stylesheet', 'default'); | |
71 | WebUtil.selectStylesheet(null); | |
72 | // call twice to get around webkit bug | |
73 | WebUtil.selectStylesheet(UI.getSetting('stylesheet')); | |
74 | ||
75 | // if port == 80 (or 443) then it won't be present and should be | |
76 | // set manually | |
77 | var port = window.location.port; | |
78 | if (!port) { | |
79 | if (window.location.protocol.substring(0,5) == 'https') { | |
80 | port = 443; | |
81 | } | |
82 | else if (window.location.protocol.substring(0,4) == 'http') { | |
83 | port = 80; | |
84 | } | |
85 | } | |
86 | ||
87 | /* Populate the controls if defaults are provided in the URL */ | |
88 | UI.initSetting('host', window.location.hostname); | |
89 | UI.initSetting('port', port); | |
90 | UI.initSetting('password', ''); | |
91 | UI.initSetting('encrypt', (window.location.protocol === "https:")); | |
92 | UI.initSetting('true_color', true); | |
93 | UI.initSetting('cursor', !UI.isTouchDevice); | |
8b46c0de | 94 | UI.initSetting('resize', 'off'); |
bbbf42bb SR |
95 | UI.initSetting('shared', true); |
96 | UI.initSetting('view_only', false); | |
97 | UI.initSetting('path', 'websockify'); | |
98 | UI.initSetting('repeaterID', ''); | |
99 | ||
bbbf42bb SR |
100 | var autoconnect = WebUtil.getQueryVar('autoconnect', false); |
101 | if (autoconnect === 'true' || autoconnect == '1') { | |
102 | autoconnect = true; | |
103 | UI.connect(); | |
104 | } else { | |
105 | autoconnect = false; | |
106 | } | |
107 | ||
108 | UI.updateVisualState(); | |
109 | ||
fdedbafb | 110 | $D('noVNC_host').focus(); |
111 | ||
bbbf42bb SR |
112 | // Show mouse selector buttons on touch screen devices |
113 | if (UI.isTouchDevice) { | |
114 | // Show mobile buttons | |
115 | $D('noVNC_mobile_buttons').style.display = "inline"; | |
116 | UI.setMouseButton(); | |
117 | // Remove the address bar | |
118 | setTimeout(function() { window.scrollTo(0, 1); }, 100); | |
119 | UI.forceSetting('clip', true); | |
bbbf42bb SR |
120 | } else { |
121 | UI.initSetting('clip', false); | |
122 | } | |
123 | ||
bbbf42bb | 124 | UI.setViewClip(); |
fdedbafb | 125 | UI.setBarPosition(); |
f8b399d7 | 126 | |
127 | Util.addEvent(window, 'resize', function () { | |
fdedbafb | 128 | UI.onresize(); |
f8b399d7 | 129 | UI.setViewClip(); |
31ddaa1c | 130 | UI.updateViewDrag(); |
fdedbafb | 131 | UI.setBarPosition(); |
f8b399d7 | 132 | } ); |
bbbf42bb | 133 | |
a6357e82 | 134 | var isSafari = (navigator.userAgent.indexOf('Safari') != -1 && |
135 | navigator.userAgent.indexOf('Chrome') == -1); | |
136 | ||
137 | // Only show the button if fullscreen is properly supported | |
138 | // * Safari doesn't support alphanumerical input while in fullscreen | |
139 | if (!isSafari && | |
140 | (document.documentElement.requestFullscreen || | |
141 | document.documentElement.mozRequestFullScreen || | |
142 | document.documentElement.webkitRequestFullscreen || | |
143 | document.body.msRequestFullscreen)) { | |
144 | $D('fullscreenButton').style.display = "inline"; | |
7d1dc09a | 145 | Util.addEvent(window, 'fullscreenchange', UI.updateFullscreenButton); |
146 | Util.addEvent(window, 'mozfullscreenchange', UI.updateFullscreenButton); | |
147 | Util.addEvent(window, 'webkitfullscreenchange', UI.updateFullscreenButton); | |
148 | Util.addEvent(window, 'msfullscreenchange', UI.updateFullscreenButton); | |
149 | } | |
150 | ||
5b7598ac | 151 | Util.addEvent(window, 'load', UI.keyboardinputReset); |
152 | ||
bbbf42bb | 153 | Util.addEvent(window, 'beforeunload', function () { |
58ded70d | 154 | if (UI.rfb && UI.rfb_state === 'normal') { |
bbbf42bb SR |
155 | return "You are currently connected."; |
156 | } | |
157 | } ); | |
158 | ||
159 | // Show description by default when hosted at for kanaka.github.com | |
160 | if (location.host === "kanaka.github.io") { | |
161 | // Open the description dialog | |
162 | $D('noVNC_description').style.display = "block"; | |
163 | } else { | |
164 | // Show the connect panel on first load unless autoconnecting | |
165 | if (autoconnect === UI.connSettingsOpen) { | |
166 | UI.toggleConnectPanel(); | |
167 | } | |
168 | } | |
169 | ||
170 | // Add mouse event click/focus/blur event handlers to the UI | |
171 | UI.addMouseHandlers(); | |
172 | ||
173 | if (typeof callback === "function") { | |
174 | callback(UI.rfb); | |
175 | } | |
176 | }, | |
177 | ||
e543525f | 178 | initRFB: function () { |
d9fc1c7b SR |
179 | try { |
180 | UI.rfb = new RFB({'target': $D('noVNC_canvas'), | |
181 | 'onUpdateState': UI.updateState, | |
182 | 'onXvpInit': UI.updateXvpVisualState, | |
183 | 'onClipboard': UI.clipReceive, | |
184 | 'onFBUComplete': UI.FBUComplete, | |
31ddaa1c | 185 | 'onFBResize': UI.updateViewDrag, |
d9fc1c7b SR |
186 | 'onDesktopName': UI.updateDocumentTitle}); |
187 | return true; | |
188 | } catch (exc) { | |
189 | UI.updateState(null, 'fatal', null, 'Unable to create RFB client -- ' + exc); | |
190 | return false; | |
191 | } | |
e543525f SR |
192 | }, |
193 | ||
bbbf42bb SR |
194 | addMouseHandlers: function() { |
195 | // Setup interface handlers that can't be inline | |
31ddaa1c | 196 | $D("noVNC_view_drag_button").onclick = UI.toggleViewDrag; |
bbbf42bb SR |
197 | $D("noVNC_mouse_button0").onclick = function () { UI.setMouseButton(1); }; |
198 | $D("noVNC_mouse_button1").onclick = function () { UI.setMouseButton(2); }; | |
199 | $D("noVNC_mouse_button2").onclick = function () { UI.setMouseButton(4); }; | |
200 | $D("noVNC_mouse_button4").onclick = function () { UI.setMouseButton(0); }; | |
201 | $D("showKeyboard").onclick = UI.showKeyboard; | |
202 | ||
203 | $D("keyboardinput").oninput = UI.keyInput; | |
204 | $D("keyboardinput").onblur = UI.keyInputBlur; | |
48d26b2d | 205 | $D("keyboardinput").onsubmit = function () { return false; }; |
bbbf42bb SR |
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; | |
74f2ac96 | 217 | $D("noVNC_status").onclick = UI.togglePopupStatus; |
218 | $D("noVNC_popup_status").onclick = UI.togglePopupStatus; | |
bbbf42bb SR |
219 | $D("xvpButton").onclick = UI.toggleXvpPanel; |
220 | $D("clipboardButton").onclick = UI.toggleClipboardPanel; | |
7d1dc09a | 221 | $D("fullscreenButton").onclick = UI.toggleFullscreen; |
bbbf42bb SR |
222 | $D("settingsButton").onclick = UI.toggleSettingsPanel; |
223 | $D("connectButton").onclick = UI.toggleConnectPanel; | |
224 | $D("disconnectButton").onclick = UI.disconnect; | |
225 | $D("descriptionButton").onclick = UI.toggleConnectPanel; | |
226 | ||
227 | $D("noVNC_clipboard_text").onfocus = UI.displayBlur; | |
228 | $D("noVNC_clipboard_text").onblur = UI.displayFocus; | |
229 | $D("noVNC_clipboard_text").onchange = UI.clipSend; | |
230 | $D("noVNC_clipboard_clear_button").onclick = UI.clipClear; | |
231 | ||
232 | $D("noVNC_settings_menu").onmouseover = UI.displayBlur; | |
233 | $D("noVNC_settings_menu").onmouseover = UI.displayFocus; | |
234 | $D("noVNC_apply").onclick = UI.settingsApply; | |
235 | ||
236 | $D("noVNC_connect_button").onclick = UI.connect; | |
72747869 | 237 | |
a6357e82 | 238 | $D("noVNC_resize").onchange = UI.enableDisableViewClip; |
bbbf42bb SR |
239 | }, |
240 | ||
fdedbafb | 241 | onresize: function (callback) { |
58ded70d SR |
242 | if (!UI.rfb) return; |
243 | ||
fdedbafb | 244 | var size = UI.getCanvasLimit(); |
245 | ||
246 | if (size && UI.rfb_state === 'normal' && UI.rfb.get_display()) { | |
247 | var display = UI.rfb.get_display(); | |
248 | var scaleType = UI.getSetting('resize'); | |
249 | if (scaleType === 'remote') { | |
250 | // use remote resizing | |
251 | ||
252 | // When the local window has been resized, wait until the size remains | |
253 | // the same for 0.5 seconds before sending the request for changing | |
254 | // the resolution of the session | |
045d9224 | 255 | clearTimeout(UI.resizeTimeout); |
256 | UI.resizeTimeout = setTimeout(function(){ | |
fdedbafb | 257 | display.set_maxWidth(size.w); |
258 | display.set_maxHeight(size.h); | |
259 | Util.Debug('Attempting setDesktopSize(' + | |
260 | size.w + ', ' + size.h + ')'); | |
261 | UI.rfb.setDesktopSize(size.w, size.h); | |
262 | }, 500); | |
263 | } else if (scaleType === 'scale' || scaleType === 'downscale') { | |
264 | // use local scaling | |
265 | ||
266 | var downscaleOnly = scaleType === 'downscale'; | |
267 | var scaleRatio = display.autoscale(size.w, size.h, downscaleOnly); | |
268 | UI.rfb.get_mouse().set_scale(scaleRatio); | |
269 | Util.Debug('Scaling by ' + UI.rfb.get_mouse().get_scale()); | |
270 | } | |
271 | } | |
272 | }, | |
273 | ||
274 | getCanvasLimit: function () { | |
275 | var container = $D('noVNC_container'); | |
276 | ||
277 | // Hide the scrollbars until the size is calculated | |
278 | container.style.overflow = "hidden"; | |
279 | ||
16b3ef77 | 280 | var pos = Util.getPosition(container); |
281 | var w = pos.width; | |
282 | var h = pos.height; | |
fdedbafb | 283 | |
284 | container.style.overflow = "visible"; | |
285 | ||
286 | if (isNaN(w) || isNaN(h)) { | |
287 | return false; | |
288 | } else { | |
289 | return {w: w, h: h}; | |
290 | } | |
291 | }, | |
292 | ||
bbbf42bb SR |
293 | // Read form control compatible setting from cookie |
294 | getSetting: function(name) { | |
295 | var ctrl = $D('noVNC_' + name); | |
296 | var val = WebUtil.readSetting(name); | |
f8b399d7 | 297 | if (typeof val !== 'undefined' && val !== null && ctrl.type === 'checkbox') { |
bbbf42bb SR |
298 | if (val.toString().toLowerCase() in {'0':1, 'no':1, 'false':1}) { |
299 | val = false; | |
300 | } else { | |
301 | val = true; | |
302 | } | |
303 | } | |
304 | return val; | |
305 | }, | |
306 | ||
307 | // Update cookie and form control setting. If value is not set, then | |
308 | // updates from control to current cookie setting. | |
309 | updateSetting: function(name, value) { | |
310 | ||
311 | // Save the cookie for this session | |
312 | if (typeof value !== 'undefined') { | |
313 | WebUtil.writeSetting(name, value); | |
314 | } | |
315 | ||
316 | // Update the settings control | |
317 | value = UI.getSetting(name); | |
318 | ||
319 | var ctrl = $D('noVNC_' + name); | |
320 | if (ctrl.type === 'checkbox') { | |
321 | ctrl.checked = value; | |
322 | ||
323 | } else if (typeof ctrl.options !== 'undefined') { | |
324 | for (var i = 0; i < ctrl.options.length; i += 1) { | |
325 | if (ctrl.options[i].value === value) { | |
326 | ctrl.selectedIndex = i; | |
327 | break; | |
328 | } | |
329 | } | |
330 | } else { | |
331 | /*Weird IE9 error leads to 'null' appearring | |
332 | in textboxes instead of ''.*/ | |
333 | if (value === null) { | |
334 | value = ""; | |
335 | } | |
336 | ctrl.value = value; | |
337 | } | |
338 | }, | |
339 | ||
340 | // Save control setting to cookie | |
341 | saveSetting: function(name) { | |
342 | var val, ctrl = $D('noVNC_' + name); | |
343 | if (ctrl.type === 'checkbox') { | |
344 | val = ctrl.checked; | |
345 | } else if (typeof ctrl.options !== 'undefined') { | |
346 | val = ctrl.options[ctrl.selectedIndex].value; | |
347 | } else { | |
348 | val = ctrl.value; | |
349 | } | |
350 | WebUtil.writeSetting(name, val); | |
351 | //Util.Debug("Setting saved '" + name + "=" + val + "'"); | |
352 | return val; | |
353 | }, | |
354 | ||
355 | // Initial page load read/initialization of settings | |
356 | initSetting: function(name, defVal) { | |
357 | // Check Query string followed by cookie | |
358 | var val = WebUtil.getQueryVar(name); | |
359 | if (val === null) { | |
360 | val = WebUtil.readSetting(name, defVal); | |
361 | } | |
362 | UI.updateSetting(name, val); | |
363 | return val; | |
364 | }, | |
365 | ||
366 | // Force a setting to be a certain value | |
367 | forceSetting: function(name, val) { | |
368 | UI.updateSetting(name, val); | |
369 | return val; | |
370 | }, | |
371 | ||
372 | ||
74f2ac96 | 373 | // Show the popup status |
374 | togglePopupStatus: function(text) { | |
375 | var psp = $D('noVNC_popup_status'); | |
4f19e5c6 | 376 | |
74f2ac96 | 377 | var closePopup = function() { psp.style.display = "none"; }; |
4f19e5c6 | 378 | |
74f2ac96 | 379 | if (window.getComputedStyle(psp).display === 'none') { |
b098afc2 | 380 | if (typeof text === 'string') { |
4f19e5c6 | 381 | psp.innerHTML = text; |
382 | } else { | |
383 | psp.innerHTML = $D('noVNC_status').innerHTML; | |
384 | } | |
bbbf42bb SR |
385 | psp.style.display = "block"; |
386 | psp.style.left = window.innerWidth/2 - | |
74f2ac96 | 387 | parseInt(window.getComputedStyle(psp).width)/2 -30 + "px"; |
4f19e5c6 | 388 | |
389 | // Show the popup for a maximum of 1.5 seconds | |
74f2ac96 | 390 | UI.popupStatusTimeout = setTimeout(function() { closePopup(); }, 1500); |
391 | } else { | |
392 | clearTimeout(UI.popupStatusTimeout); | |
393 | closePopup(); | |
bbbf42bb SR |
394 | } |
395 | }, | |
396 | ||
397 | // Show the XVP panel | |
398 | toggleXvpPanel: function() { | |
399 | // Close the description panel | |
400 | $D('noVNC_description').style.display = "none"; | |
401 | // Close settings if open | |
402 | if (UI.settingsOpen === true) { | |
403 | UI.settingsApply(); | |
404 | UI.closeSettingsMenu(); | |
405 | } | |
406 | // Close connection settings if open | |
407 | if (UI.connSettingsOpen === true) { | |
408 | UI.toggleConnectPanel(); | |
409 | } | |
bbbf42bb SR |
410 | // Close clipboard panel if open |
411 | if (UI.clipboardOpen === true) { | |
412 | UI.toggleClipboardPanel(); | |
413 | } | |
414 | // Toggle XVP panel | |
415 | if (UI.xvpOpen === true) { | |
416 | $D('noVNC_xvp').style.display = "none"; | |
417 | $D('xvpButton').className = "noVNC_status_button"; | |
418 | UI.xvpOpen = false; | |
419 | } else { | |
420 | $D('noVNC_xvp').style.display = "block"; | |
421 | $D('xvpButton').className = "noVNC_status_button_selected"; | |
422 | UI.xvpOpen = true; | |
423 | } | |
424 | }, | |
425 | ||
426 | // Show the clipboard panel | |
427 | toggleClipboardPanel: function() { | |
428 | // Close the description panel | |
429 | $D('noVNC_description').style.display = "none"; | |
430 | // Close settings if open | |
431 | if (UI.settingsOpen === true) { | |
432 | UI.settingsApply(); | |
433 | UI.closeSettingsMenu(); | |
434 | } | |
435 | // Close connection settings if open | |
436 | if (UI.connSettingsOpen === true) { | |
437 | UI.toggleConnectPanel(); | |
438 | } | |
bbbf42bb SR |
439 | // Close XVP panel if open |
440 | if (UI.xvpOpen === true) { | |
441 | UI.toggleXvpPanel(); | |
442 | } | |
443 | // Toggle Clipboard Panel | |
444 | if (UI.clipboardOpen === true) { | |
445 | $D('noVNC_clipboard').style.display = "none"; | |
446 | $D('clipboardButton').className = "noVNC_status_button"; | |
447 | UI.clipboardOpen = false; | |
448 | } else { | |
449 | $D('noVNC_clipboard').style.display = "block"; | |
450 | $D('clipboardButton').className = "noVNC_status_button_selected"; | |
451 | UI.clipboardOpen = true; | |
452 | } | |
453 | }, | |
454 | ||
7d1dc09a | 455 | // Toggle fullscreen mode |
456 | toggleFullscreen: function() { | |
457 | if (document.fullscreenElement || // alternative standard method | |
458 | document.mozFullScreenElement || // currently working methods | |
459 | document.webkitFullscreenElement || | |
a6357e82 | 460 | document.msFullscreenElement) { |
7d1dc09a | 461 | if (document.exitFullscreen) { |
462 | document.exitFullscreen(); | |
463 | } else if (document.mozCancelFullScreen) { | |
464 | document.mozCancelFullScreen(); | |
465 | } else if (document.webkitExitFullscreen) { | |
466 | document.webkitExitFullscreen(); | |
467 | } else if (document.msExitFullscreen) { | |
468 | document.msExitFullscreen(); | |
469 | } | |
470 | } else { | |
471 | if (document.documentElement.requestFullscreen) { | |
472 | document.documentElement.requestFullscreen(); | |
473 | } else if (document.documentElement.mozRequestFullScreen) { | |
474 | document.documentElement.mozRequestFullScreen(); | |
475 | } else if (document.documentElement.webkitRequestFullscreen) { | |
476 | document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT); | |
477 | } else if (document.body.msRequestFullscreen) { | |
478 | document.body.msRequestFullscreen(); | |
479 | } | |
480 | } | |
a6357e82 | 481 | UI.enableDisableViewClip(); |
7d1dc09a | 482 | UI.updateFullscreenButton(); |
483 | }, | |
484 | ||
485 | updateFullscreenButton: function() { | |
486 | if (document.fullscreenElement || // alternative standard method | |
487 | document.mozFullScreenElement || // currently working methods | |
488 | document.webkitFullscreenElement || | |
489 | document.msFullscreenElement ) { | |
490 | $D('fullscreenButton').className = "noVNC_status_button_selected"; | |
491 | } else { | |
492 | $D('fullscreenButton').className = "noVNC_status_button"; | |
493 | } | |
494 | }, | |
495 | ||
bbbf42bb SR |
496 | // Show the connection settings panel/menu |
497 | toggleConnectPanel: function() { | |
498 | // Close the description panel | |
499 | $D('noVNC_description').style.display = "none"; | |
500 | // Close connection settings if open | |
501 | if (UI.settingsOpen === true) { | |
502 | UI.settingsApply(); | |
503 | UI.closeSettingsMenu(); | |
504 | $D('connectButton').className = "noVNC_status_button"; | |
505 | } | |
506 | // Close clipboard panel if open | |
507 | if (UI.clipboardOpen === true) { | |
508 | UI.toggleClipboardPanel(); | |
509 | } | |
bbbf42bb SR |
510 | // Close XVP panel if open |
511 | if (UI.xvpOpen === true) { | |
512 | UI.toggleXvpPanel(); | |
513 | } | |
514 | ||
515 | // Toggle Connection Panel | |
516 | if (UI.connSettingsOpen === true) { | |
517 | $D('noVNC_controls').style.display = "none"; | |
518 | $D('connectButton').className = "noVNC_status_button"; | |
519 | UI.connSettingsOpen = false; | |
520 | UI.saveSetting('host'); | |
521 | UI.saveSetting('port'); | |
522 | //UI.saveSetting('password'); | |
523 | } else { | |
524 | $D('noVNC_controls').style.display = "block"; | |
525 | $D('connectButton').className = "noVNC_status_button_selected"; | |
526 | UI.connSettingsOpen = true; | |
527 | $D('noVNC_host').focus(); | |
528 | } | |
529 | }, | |
530 | ||
531 | // Toggle the settings menu: | |
532 | // On open, settings are refreshed from saved cookies. | |
533 | // On close, settings are applied | |
534 | toggleSettingsPanel: function() { | |
535 | // Close the description panel | |
536 | $D('noVNC_description').style.display = "none"; | |
537 | if (UI.settingsOpen) { | |
538 | UI.settingsApply(); | |
539 | UI.closeSettingsMenu(); | |
540 | } else { | |
541 | UI.updateSetting('encrypt'); | |
542 | UI.updateSetting('true_color'); | |
58ded70d | 543 | if (Util.browserSupportsCursorURIs()) { |
bbbf42bb SR |
544 | UI.updateSetting('cursor'); |
545 | } else { | |
546 | UI.updateSetting('cursor', !UI.isTouchDevice); | |
547 | $D('noVNC_cursor').disabled = true; | |
548 | } | |
549 | UI.updateSetting('clip'); | |
f8b399d7 | 550 | UI.updateSetting('resize'); |
bbbf42bb SR |
551 | UI.updateSetting('shared'); |
552 | UI.updateSetting('view_only'); | |
553 | UI.updateSetting('path'); | |
554 | UI.updateSetting('repeaterID'); | |
555 | UI.updateSetting('stylesheet'); | |
556 | UI.updateSetting('logging'); | |
557 | ||
558 | UI.openSettingsMenu(); | |
559 | } | |
560 | }, | |
561 | ||
562 | // Open menu | |
563 | openSettingsMenu: function() { | |
564 | // Close the description panel | |
565 | $D('noVNC_description').style.display = "none"; | |
566 | // Close clipboard panel if open | |
567 | if (UI.clipboardOpen === true) { | |
568 | UI.toggleClipboardPanel(); | |
569 | } | |
570 | // Close connection settings if open | |
571 | if (UI.connSettingsOpen === true) { | |
572 | UI.toggleConnectPanel(); | |
573 | } | |
bbbf42bb SR |
574 | // Close XVP panel if open |
575 | if (UI.xvpOpen === true) { | |
576 | UI.toggleXvpPanel(); | |
577 | } | |
578 | $D('noVNC_settings').style.display = "block"; | |
579 | $D('settingsButton').className = "noVNC_status_button_selected"; | |
580 | UI.settingsOpen = true; | |
581 | }, | |
582 | ||
583 | // Close menu (without applying settings) | |
584 | closeSettingsMenu: function() { | |
585 | $D('noVNC_settings').style.display = "none"; | |
586 | $D('settingsButton').className = "noVNC_status_button"; | |
587 | UI.settingsOpen = false; | |
588 | }, | |
589 | ||
590 | // Save/apply settings when 'Apply' button is pressed | |
591 | settingsApply: function() { | |
592 | //Util.Debug(">> settingsApply"); | |
593 | UI.saveSetting('encrypt'); | |
594 | UI.saveSetting('true_color'); | |
58ded70d | 595 | if (Util.browserSupportsCursorURIs()) { |
bbbf42bb SR |
596 | UI.saveSetting('cursor'); |
597 | } | |
72747869 | 598 | |
f8b399d7 | 599 | UI.saveSetting('resize'); |
72747869 SR |
600 | |
601 | if (UI.getSetting('resize') === 'downscale' || UI.getSetting('resize') === 'scale') { | |
602 | UI.forceSetting('clip', false); | |
603 | } | |
604 | ||
605 | UI.saveSetting('clip'); | |
bbbf42bb SR |
606 | UI.saveSetting('shared'); |
607 | UI.saveSetting('view_only'); | |
608 | UI.saveSetting('path'); | |
609 | UI.saveSetting('repeaterID'); | |
610 | UI.saveSetting('stylesheet'); | |
611 | UI.saveSetting('logging'); | |
612 | ||
613 | // Settings with immediate (non-connected related) effect | |
614 | WebUtil.selectStylesheet(UI.getSetting('stylesheet')); | |
615 | WebUtil.init_logging(UI.getSetting('logging')); | |
616 | UI.setViewClip(); | |
31ddaa1c | 617 | UI.updateViewDrag(); |
bbbf42bb SR |
618 | //Util.Debug("<< settingsApply"); |
619 | }, | |
620 | ||
621 | ||
622 | ||
623 | setPassword: function() { | |
624 | UI.rfb.sendPassword($D('noVNC_password').value); | |
625 | //Reset connect button. | |
626 | $D('noVNC_connect_button').value = "Connect"; | |
340290fa | 627 | $D('noVNC_connect_button').onclick = UI.connect; |
bbbf42bb | 628 | //Hide connection panel. |
f8ddfc73 | 629 | UI.toggleConnectPanel(); |
bbbf42bb SR |
630 | return false; |
631 | }, | |
da6dd893 | 632 | |
bbbf42bb SR |
633 | sendCtrlAltDel: function() { |
634 | UI.rfb.sendCtrlAltDel(); | |
635 | }, | |
53fc7392 | 636 | |
bbbf42bb SR |
637 | xvpShutdown: function() { |
638 | UI.rfb.xvpShutdown(); | |
639 | }, | |
01a9eee9 | 640 | |
bbbf42bb SR |
641 | xvpReboot: function() { |
642 | UI.rfb.xvpReboot(); | |
643 | }, | |
53fc7392 | 644 | |
bbbf42bb SR |
645 | xvpReset: function() { |
646 | UI.rfb.xvpReset(); | |
647 | }, | |
01a9eee9 | 648 | |
bbbf42bb SR |
649 | setMouseButton: function(num) { |
650 | if (typeof num === 'undefined') { | |
651 | // Disable mouse buttons | |
652 | num = -1; | |
da6dd893 | 653 | } |
bbbf42bb SR |
654 | if (UI.rfb) { |
655 | UI.rfb.get_mouse().set_touchButton(num); | |
656 | } | |
657 | ||
658 | var blist = [0, 1,2,4]; | |
659 | for (var b = 0; b < blist.length; b++) { | |
660 | var button = $D('noVNC_mouse_button' + blist[b]); | |
661 | if (blist[b] === num) { | |
662 | button.style.display = ""; | |
663 | } else { | |
664 | button.style.display = "none"; | |
665 | } | |
666 | } | |
667 | }, | |
668 | ||
669 | updateState: function(rfb, state, oldstate, msg) { | |
670 | UI.rfb_state = state; | |
671 | var klass; | |
672 | switch (state) { | |
673 | case 'failed': | |
674 | case 'fatal': | |
675 | klass = "noVNC_status_error"; | |
676 | break; | |
677 | case 'normal': | |
678 | klass = "noVNC_status_normal"; | |
679 | break; | |
680 | case 'disconnected': | |
681 | $D('noVNC_logo').style.display = "block"; | |
fdedbafb | 682 | $D('noVNC_container').style.display = "none"; |
bbbf42bb SR |
683 | /* falls through */ |
684 | case 'loaded': | |
685 | klass = "noVNC_status_normal"; | |
686 | break; | |
687 | case 'password': | |
688 | UI.toggleConnectPanel(); | |
689 | ||
690 | $D('noVNC_connect_button').value = "Send Password"; | |
691 | $D('noVNC_connect_button').onclick = UI.setPassword; | |
692 | $D('noVNC_password').focus(); | |
693 | ||
694 | klass = "noVNC_status_warn"; | |
695 | break; | |
696 | default: | |
697 | klass = "noVNC_status_warn"; | |
698 | break; | |
699 | } | |
700 | ||
701 | if (typeof(msg) !== 'undefined') { | |
702 | $D('noVNC-control-bar').setAttribute("class", klass); | |
703 | $D('noVNC_status').innerHTML = msg; | |
704 | } | |
705 | ||
706 | UI.updateVisualState(); | |
707 | }, | |
708 | ||
709 | // Disable/enable controls depending on connection state | |
710 | updateVisualState: function() { | |
58ded70d | 711 | var connected = UI.rfb && UI.rfb_state === 'normal'; |
bbbf42bb SR |
712 | |
713 | //Util.Debug(">> updateVisualState"); | |
714 | $D('noVNC_encrypt').disabled = connected; | |
715 | $D('noVNC_true_color').disabled = connected; | |
58ded70d | 716 | if (Util.browserSupportsCursorURIs()) { |
bbbf42bb SR |
717 | $D('noVNC_cursor').disabled = connected; |
718 | } else { | |
719 | UI.updateSetting('cursor', !UI.isTouchDevice); | |
720 | $D('noVNC_cursor').disabled = true; | |
721 | } | |
72747869 | 722 | |
a6357e82 | 723 | UI.enableDisableViewClip(); |
f8b399d7 | 724 | $D('noVNC_resize').disabled = connected; |
bbbf42bb SR |
725 | $D('noVNC_shared').disabled = connected; |
726 | $D('noVNC_view_only').disabled = connected; | |
727 | $D('noVNC_path').disabled = connected; | |
728 | $D('noVNC_repeaterID').disabled = connected; | |
729 | ||
730 | if (connected) { | |
731 | UI.setViewClip(); | |
732 | UI.setMouseButton(1); | |
733 | $D('clipboardButton').style.display = "inline"; | |
734 | $D('showKeyboard').style.display = "inline"; | |
735 | $D('noVNC_extra_keys').style.display = ""; | |
736 | $D('sendCtrlAltDelButton').style.display = "inline"; | |
737 | } else { | |
738 | UI.setMouseButton(); | |
739 | $D('clipboardButton').style.display = "none"; | |
740 | $D('showKeyboard').style.display = "none"; | |
741 | $D('noVNC_extra_keys').style.display = "none"; | |
742 | $D('sendCtrlAltDelButton').style.display = "none"; | |
743 | UI.updateXvpVisualState(0); | |
744 | } | |
745 | ||
746 | // State change disables viewport dragging. | |
747 | // It is enabled (toggled) by direct click on the button | |
31ddaa1c | 748 | UI.updateViewDrag(false); |
bbbf42bb SR |
749 | |
750 | switch (UI.rfb_state) { | |
751 | case 'fatal': | |
752 | case 'failed': | |
bbbf42bb | 753 | case 'disconnected': |
e543525f SR |
754 | $D('connectButton').style.display = ""; |
755 | $D('disconnectButton').style.display = "none"; | |
756 | UI.connSettingsOpen = false; | |
757 | UI.toggleConnectPanel(); | |
758 | break; | |
759 | case 'loaded': | |
bbbf42bb SR |
760 | $D('connectButton').style.display = ""; |
761 | $D('disconnectButton').style.display = "none"; | |
762 | break; | |
763 | default: | |
764 | $D('connectButton').style.display = "none"; | |
765 | $D('disconnectButton').style.display = ""; | |
766 | break; | |
767 | } | |
768 | ||
769 | //Util.Debug("<< updateVisualState"); | |
770 | }, | |
771 | ||
772 | // Disable/enable XVP button | |
773 | updateXvpVisualState: function(ver) { | |
774 | if (ver >= 1) { | |
775 | $D('xvpButton').style.display = 'inline'; | |
776 | } else { | |
777 | $D('xvpButton').style.display = 'none'; | |
778 | // Close XVP panel if open | |
779 | if (UI.xvpOpen === true) { | |
780 | UI.toggleXvpPanel(); | |
781 | } | |
782 | } | |
783 | }, | |
784 | ||
f8b399d7 | 785 | // This resize can not be done until we know from the first Frame Buffer Update |
786 | // if it is supported or not. | |
787 | // The resize is needed to make sure the server desktop size is updated to the | |
788 | // corresponding size of the current local window when reconnecting to an | |
789 | // existing session. | |
790 | FBUComplete: function(rfb, fbu) { | |
791 | UI.onresize(); | |
792 | UI.rfb.set_onFBUComplete(function() { }); | |
793 | }, | |
794 | ||
bbbf42bb SR |
795 | // Display the desktop name in the document title |
796 | updateDocumentTitle: function(rfb, name) { | |
797 | document.title = name + " - noVNC"; | |
798 | }, | |
799 | ||
800 | clipReceive: function(rfb, text) { | |
801 | Util.Debug(">> UI.clipReceive: " + text.substr(0,40) + "..."); | |
802 | $D('noVNC_clipboard_text').value = text; | |
803 | Util.Debug("<< UI.clipReceive"); | |
804 | }, | |
805 | ||
806 | connect: function() { | |
807 | UI.closeSettingsMenu(); | |
c506a481 | 808 | UI.toggleConnectPanel(); |
f00b1e37 | 809 | |
bbbf42bb SR |
810 | var host = $D('noVNC_host').value; |
811 | var port = $D('noVNC_port').value; | |
812 | var password = $D('noVNC_password').value; | |
813 | var path = $D('noVNC_path').value; | |
814 | if ((!host) || (!port)) { | |
815 | throw new Error("Must set host and port"); | |
816 | } | |
53fc7392 | 817 | |
d9fc1c7b | 818 | if (!UI.initRFB()) return; |
58ded70d | 819 | |
bbbf42bb SR |
820 | UI.rfb.set_encrypt(UI.getSetting('encrypt')); |
821 | UI.rfb.set_true_color(UI.getSetting('true_color')); | |
822 | UI.rfb.set_local_cursor(UI.getSetting('cursor')); | |
823 | UI.rfb.set_shared(UI.getSetting('shared')); | |
824 | UI.rfb.set_view_only(UI.getSetting('view_only')); | |
825 | UI.rfb.set_repeaterID(UI.getSetting('repeaterID')); | |
53fc7392 | 826 | |
bbbf42bb | 827 | UI.rfb.connect(host, port, password, path); |
8e0f0088 | 828 | |
bbbf42bb SR |
829 | //Close dialog. |
830 | setTimeout(UI.setBarPosition, 100); | |
831 | $D('noVNC_logo').style.display = "none"; | |
fdedbafb | 832 | $D('noVNC_container').style.display = "inline"; |
bbbf42bb | 833 | }, |
5299db1a | 834 | |
bbbf42bb SR |
835 | disconnect: function() { |
836 | UI.closeSettingsMenu(); | |
837 | UI.rfb.disconnect(); | |
8e0f0088 | 838 | |
f8b399d7 | 839 | // Restore the callback used for initial resize |
840 | UI.rfb.set_onFBUComplete(UI.FBUComplete); | |
841 | ||
bbbf42bb | 842 | $D('noVNC_logo').style.display = "block"; |
fdedbafb | 843 | $D('noVNC_container').style.display = "none"; |
844 | ||
e543525f | 845 | // Don't display the connection settings until we're actually disconnected |
bbbf42bb SR |
846 | }, |
847 | ||
848 | displayBlur: function() { | |
58ded70d SR |
849 | if (!UI.rfb) return; |
850 | ||
bbbf42bb SR |
851 | UI.rfb.get_keyboard().set_focused(false); |
852 | UI.rfb.get_mouse().set_focused(false); | |
853 | }, | |
854 | ||
855 | displayFocus: function() { | |
58ded70d SR |
856 | if (!UI.rfb) return; |
857 | ||
bbbf42bb SR |
858 | UI.rfb.get_keyboard().set_focused(true); |
859 | UI.rfb.get_mouse().set_focused(true); | |
860 | }, | |
861 | ||
862 | clipClear: function() { | |
863 | $D('noVNC_clipboard_text').value = ""; | |
864 | UI.rfb.clipboardPasteFrom(""); | |
865 | }, | |
866 | ||
867 | clipSend: function() { | |
868 | var text = $D('noVNC_clipboard_text').value; | |
869 | Util.Debug(">> UI.clipSend: " + text.substr(0,40) + "..."); | |
870 | UI.rfb.clipboardPasteFrom(text); | |
871 | Util.Debug("<< UI.clipSend"); | |
872 | }, | |
873 | ||
30bfff81 | 874 | // Set and configure viewport clipping |
bbbf42bb SR |
875 | setViewClip: function(clip) { |
876 | var display; | |
877 | if (UI.rfb) { | |
878 | display = UI.rfb.get_display(); | |
879 | } else { | |
a6357e82 | 880 | UI.forceSetting('clip', clip); |
bbbf42bb SR |
881 | return; |
882 | } | |
8e0f0088 | 883 | |
bbbf42bb SR |
884 | var cur_clip = display.get_viewport(); |
885 | ||
886 | if (typeof(clip) !== 'boolean') { | |
887 | // Use current setting | |
888 | clip = UI.getSetting('clip'); | |
889 | } | |
8e0f0088 | 890 | |
bbbf42bb SR |
891 | if (clip && !cur_clip) { |
892 | // Turn clipping on | |
893 | UI.updateSetting('clip', true); | |
894 | } else if (!clip && cur_clip) { | |
895 | // Turn clipping off | |
896 | UI.updateSetting('clip', false); | |
897 | display.set_viewport(false); | |
31ddaa1c | 898 | // Disable max dimensions |
fdedbafb | 899 | display.set_maxWidth(0); |
900 | display.set_maxHeight(0); | |
f8b399d7 | 901 | display.viewportChangeSize(); |
bbbf42bb SR |
902 | } |
903 | if (UI.getSetting('clip')) { | |
904 | // If clipping, update clipping settings | |
bbbf42bb | 905 | display.set_viewport(true); |
fdedbafb | 906 | |
907 | var size = UI.getCanvasLimit(); | |
908 | if (size) { | |
909 | display.set_maxWidth(size.w); | |
910 | display.set_maxHeight(size.h); | |
911 | ||
912 | // Hide potential scrollbars that can skew the position | |
913 | $D('noVNC_container').style.overflow = "hidden"; | |
914 | ||
915 | // The x position marks the left margin of the canvas, | |
916 | // remove the margin from both sides to keep it centered | |
917 | var new_w = size.w - (2 * Util.getPosition($D('noVNC_canvas')).x); | |
918 | ||
919 | $D('noVNC_container').style.overflow = "visible"; | |
920 | ||
921 | display.viewportChangeSize(new_w, size.h); | |
922 | } | |
bbbf42bb SR |
923 | } |
924 | }, | |
925 | ||
30bfff81 | 926 | // Handle special cases where clipping is forced on/off or locked |
a6357e82 | 927 | enableDisableViewClip: function () { |
30bfff81 | 928 | var resizeElem = $D('noVNC_resize'); |
a6357e82 | 929 | var connected = UI.rfb && UI.rfb_state === 'normal'; |
930 | ||
30bfff81 | 931 | if (resizeElem.value === 'downscale' || resizeElem.value === 'scale') { |
a6357e82 | 932 | // Disable clipping if we are scaling |
933 | UI.setViewClip(false); | |
934 | $D('noVNC_clip').disabled = true; | |
935 | } else if (document.msFullscreenElement) { | |
936 | // The browser is IE and we are in fullscreen mode. | |
937 | // - We need to force clipping while in fullscreen since | |
938 | // scrollbars doesn't work. | |
939 | UI.togglePopupStatus("Forcing clipping mode since scrollbars aren't supported by IE in fullscreen"); | |
940 | UI.rememberedClipSetting = UI.getSetting('clip'); | |
941 | UI.setViewClip(true); | |
30bfff81 | 942 | $D('noVNC_clip').disabled = true; |
a6357e82 | 943 | } else if (document.body.msRequestFullscreen && UI.rememberedClip !== null) { |
944 | // Restore view clip to what it was before fullscreen on IE | |
945 | UI.setViewClip(UI.rememberedClipSetting); | |
946 | $D('noVNC_clip').disabled = connected || UI.isTouchDevice; | |
30bfff81 | 947 | } else { |
948 | $D('noVNC_clip').disabled = connected || UI.isTouchDevice; | |
949 | if (UI.isTouchDevice) { | |
a6357e82 | 950 | UI.setViewClip(true); |
30bfff81 | 951 | } |
952 | } | |
953 | }, | |
954 | ||
31ddaa1c | 955 | // Update the viewport drag/move button |
956 | updateViewDrag: function(drag) { | |
58ded70d | 957 | if (!UI.rfb) return; |
bbbf42bb | 958 | |
f8b399d7 | 959 | var vmb = $D('noVNC_view_drag_button'); |
bbbf42bb | 960 | |
31ddaa1c | 961 | // Check if viewport drag is possible |
f8b399d7 | 962 | if (UI.rfb_state === 'normal' && |
963 | UI.rfb.get_display().get_viewport() && | |
fdedbafb | 964 | UI.rfb.get_display().clippingDisplay()) { |
31ddaa1c | 965 | |
966 | // Show and enable the drag button | |
f8b399d7 | 967 | vmb.style.display = "inline"; |
29a0e6a8 | 968 | vmb.disabled = false; |
969 | ||
31ddaa1c | 970 | } else { |
971 | // The VNC content is the same size as | |
972 | // or smaller than the display | |
973 | ||
974 | if (UI.rfb.get_viewportDrag) { | |
975 | // Turn off viewport drag when it's | |
976 | // active since it can't be used here | |
977 | vmb.className = "noVNC_status_button"; | |
978 | UI.rfb.set_viewportDrag(false); | |
979 | } | |
980 | ||
981 | // Disable or hide the drag button | |
982 | if (UI.rfb_state === 'normal' && UI.isTouchDevice) { | |
983 | vmb.style.display = "inline"; | |
984 | vmb.disabled = true; | |
985 | } else { | |
986 | vmb.style.display = "none"; | |
987 | } | |
988 | return; | |
989 | } | |
990 | ||
991 | if (typeof(drag) !== "undefined" && | |
992 | typeof(drag) !== "object") { | |
993 | if (drag) { | |
994 | vmb.className = "noVNC_status_button_selected"; | |
995 | UI.rfb.set_viewportDrag(true); | |
996 | } else { | |
997 | vmb.className = "noVNC_status_button"; | |
998 | UI.rfb.set_viewportDrag(false); | |
999 | } | |
1000 | } | |
1001 | }, | |
29a0e6a8 | 1002 | |
31ddaa1c | 1003 | toggleViewDrag: function() { |
1004 | if (!UI.rfb) return; | |
1005 | ||
1006 | var vmb = $D('noVNC_view_drag_button'); | |
1007 | if (UI.rfb.get_viewportDrag()) { | |
1008 | vmb.className = "noVNC_status_button"; | |
1009 | UI.rfb.set_viewportDrag(false); | |
f8b399d7 | 1010 | } else { |
31ddaa1c | 1011 | vmb.className = "noVNC_status_button_selected"; |
1012 | UI.rfb.set_viewportDrag(true); | |
f8b399d7 | 1013 | } |
1014 | }, | |
1015 | ||
bbbf42bb SR |
1016 | // On touch devices, show the OS keyboard |
1017 | showKeyboard: function() { | |
1018 | var kbi = $D('keyboardinput'); | |
1019 | var skb = $D('showKeyboard'); | |
1020 | var l = kbi.value.length; | |
1021 | if(UI.keyboardVisible === false) { | |
1022 | kbi.focus(); | |
1023 | try { kbi.setSelectionRange(l, l); } // Move the caret to the end | |
1024 | catch (err) {} // setSelectionRange is undefined in Google Chrome | |
1025 | UI.keyboardVisible = true; | |
1026 | skb.className = "noVNC_status_button_selected"; | |
1027 | } else if(UI.keyboardVisible === true) { | |
1028 | kbi.blur(); | |
1029 | skb.className = "noVNC_status_button"; | |
1030 | UI.keyboardVisible = false; | |
1031 | } | |
1032 | }, | |
1033 | ||
1034 | keepKeyboard: function() { | |
1035 | clearTimeout(UI.hideKeyboardTimeout); | |
1036 | if(UI.keyboardVisible === true) { | |
1037 | $D('keyboardinput').focus(); | |
1038 | $D('showKeyboard').className = "noVNC_status_button_selected"; | |
1039 | } else if(UI.keyboardVisible === false) { | |
1040 | $D('keyboardinput').blur(); | |
1041 | $D('showKeyboard').className = "noVNC_status_button"; | |
1042 | } | |
1043 | }, | |
1044 | ||
1045 | keyboardinputReset: function() { | |
1046 | var kbi = $D('keyboardinput'); | |
1047 | kbi.value = new Array(UI.defaultKeyboardinputLen).join("_"); | |
1048 | UI.lastKeyboardinput = kbi.value; | |
1049 | }, | |
1050 | ||
1051 | // When normal keyboard events are left uncought, use the input events from | |
1052 | // the keyboardinput element instead and generate the corresponding key events. | |
1053 | // This code is required since some browsers on Android are inconsistent in | |
1054 | // sending keyCodes in the normal keyboard events when using on screen keyboards. | |
1055 | keyInput: function(event) { | |
3b8ec46f | 1056 | |
58ded70d | 1057 | if (!UI.rfb) return; |
3b8ec46f | 1058 | |
bbbf42bb | 1059 | var newValue = event.target.value; |
1138bdd4 | 1060 | |
1061 | if (!UI.lastKeyboardinput) { | |
1062 | UI.keyboardinputReset(); | |
1063 | } | |
cb3e4deb | 1064 | var oldValue = UI.lastKeyboardinput; |
bbbf42bb SR |
1065 | |
1066 | var newLen; | |
1067 | try { | |
1068 | // Try to check caret position since whitespace at the end | |
1069 | // will not be considered by value.length in some browsers | |
1070 | newLen = Math.max(event.target.selectionStart, newValue.length); | |
1071 | } catch (err) { | |
1072 | // selectionStart is undefined in Google Chrome | |
1073 | newLen = newValue.length; | |
1074 | } | |
1075 | var oldLen = oldValue.length; | |
1076 | ||
1077 | var backspaces; | |
1078 | var inputs = newLen - oldLen; | |
1079 | if (inputs < 0) { | |
1080 | backspaces = -inputs; | |
1081 | } else { | |
1082 | backspaces = 0; | |
1083 | } | |
8e0f0088 | 1084 | |
bbbf42bb SR |
1085 | // Compare the old string with the new to account for |
1086 | // text-corrections or other input that modify existing text | |
1087 | var i; | |
1088 | for (i = 0; i < Math.min(oldLen, newLen); i++) { | |
1089 | if (newValue.charAt(i) != oldValue.charAt(i)) { | |
1090 | inputs = newLen - i; | |
1091 | backspaces = oldLen - i; | |
1092 | break; | |
1093 | } | |
1094 | } | |
1095 | ||
1096 | // Send the key events | |
1097 | for (i = 0; i < backspaces; i++) { | |
1098 | UI.rfb.sendKey(XK_BackSpace); | |
1099 | } | |
1100 | for (i = newLen - inputs; i < newLen; i++) { | |
1101 | UI.rfb.sendKey(newValue.charCodeAt(i)); | |
1102 | } | |
1103 | ||
1104 | // Control the text content length in the keyboardinput element | |
1105 | if (newLen > 2 * UI.defaultKeyboardinputLen) { | |
1106 | UI.keyboardinputReset(); | |
1107 | } else if (newLen < 1) { | |
1108 | // There always have to be some text in the keyboardinput | |
1109 | // element with which backspace can interact. | |
1110 | UI.keyboardinputReset(); | |
1111 | // This sometimes causes the keyboard to disappear for a second | |
1112 | // but it is required for the android keyboard to recognize that | |
1113 | // text has been added to the field | |
1114 | event.target.blur(); | |
1115 | // This has to be ran outside of the input handler in order to work | |
1116 | setTimeout(function() { UI.keepKeyboard(); }, 0); | |
1117 | } else { | |
1118 | UI.lastKeyboardinput = newValue; | |
1119 | } | |
1120 | }, | |
1121 | ||
1122 | keyInputBlur: function() { | |
1123 | $D('showKeyboard').className = "noVNC_status_button"; | |
1124 | //Weird bug in iOS if you change keyboardVisible | |
1125 | //here it does not actually occur so next time | |
1126 | //you click keyboard icon it doesnt work. | |
1127 | UI.hideKeyboardTimeout = setTimeout(function() { UI.setKeyboard(); },100); | |
1128 | }, | |
1129 | ||
1130 | showExtraKeys: function() { | |
1131 | UI.keepKeyboard(); | |
1132 | if(UI.extraKeysVisible === false) { | |
1133 | $D('toggleCtrlButton').style.display = "inline"; | |
1134 | $D('toggleAltButton').style.display = "inline"; | |
1135 | $D('sendTabButton').style.display = "inline"; | |
1136 | $D('sendEscButton').style.display = "inline"; | |
1137 | $D('showExtraKeysButton').className = "noVNC_status_button_selected"; | |
1138 | UI.extraKeysVisible = true; | |
1139 | } else if(UI.extraKeysVisible === true) { | |
1140 | $D('toggleCtrlButton').style.display = ""; | |
1141 | $D('toggleAltButton').style.display = ""; | |
1142 | $D('sendTabButton').style.display = ""; | |
1143 | $D('sendEscButton').style.display = ""; | |
1144 | $D('showExtraKeysButton').className = "noVNC_status_button"; | |
1145 | UI.extraKeysVisible = false; | |
1146 | } | |
1147 | }, | |
1148 | ||
1149 | toggleCtrl: function() { | |
1150 | UI.keepKeyboard(); | |
1151 | if(UI.ctrlOn === false) { | |
1152 | UI.rfb.sendKey(XK_Control_L, true); | |
1153 | $D('toggleCtrlButton').className = "noVNC_status_button_selected"; | |
1154 | UI.ctrlOn = true; | |
1155 | } else if(UI.ctrlOn === true) { | |
1156 | UI.rfb.sendKey(XK_Control_L, false); | |
1157 | $D('toggleCtrlButton').className = "noVNC_status_button"; | |
1158 | UI.ctrlOn = false; | |
1159 | } | |
1160 | }, | |
1161 | ||
1162 | toggleAlt: function() { | |
1163 | UI.keepKeyboard(); | |
1164 | if(UI.altOn === false) { | |
1165 | UI.rfb.sendKey(XK_Alt_L, true); | |
1166 | $D('toggleAltButton').className = "noVNC_status_button_selected"; | |
1167 | UI.altOn = true; | |
1168 | } else if(UI.altOn === true) { | |
1169 | UI.rfb.sendKey(XK_Alt_L, false); | |
1170 | $D('toggleAltButton').className = "noVNC_status_button"; | |
1171 | UI.altOn = false; | |
1172 | } | |
1173 | }, | |
1174 | ||
1175 | sendTab: function() { | |
1176 | UI.keepKeyboard(); | |
1177 | UI.rfb.sendKey(XK_Tab); | |
1178 | }, | |
1179 | ||
1180 | sendEsc: function() { | |
1181 | UI.keepKeyboard(); | |
1182 | UI.rfb.sendKey(XK_Escape); | |
1183 | }, | |
1184 | ||
1185 | setKeyboard: function() { | |
1186 | UI.keyboardVisible = false; | |
1187 | }, | |
1188 | ||
bbbf42bb SR |
1189 | //Helper to add options to dropdown. |
1190 | addOption: function(selectbox, text, value) { | |
1191 | var optn = document.createElement("OPTION"); | |
1192 | optn.text = text; | |
1193 | optn.value = value; | |
1194 | selectbox.options.add(optn); | |
1195 | }, | |
1196 | ||
1197 | setBarPosition: function() { | |
1198 | $D('noVNC-control-bar').style.top = (window.pageYOffset) + 'px'; | |
1199 | $D('noVNC_mobile_buttons').style.left = (window.pageXOffset) + 'px'; | |
1200 | ||
1201 | var vncwidth = $D('noVNC_screen').style.offsetWidth; | |
1202 | $D('noVNC-control-bar').style.width = vncwidth + 'px'; | |
1203 | } | |
1204 | ||
1205 | }; | |
1206 | })(); |