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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 |
777cb7a0 | 4 | * Copyright (C) 2016 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, $D, Util, WebUtil, RFB, Display */ | |
12 | ||
13 | var UI; | |
14 | ||
15 | (function () { | |
16 | "use strict"; | |
17 | ||
18 | // Load supporting scripts | |
19 | window.onscriptsload = function () { UI.load(); }; | |
bbbf42bb SR |
20 | Util.load_scripts(["webutil.js", "base64.js", "websock.js", "des.js", |
21 | "keysymdef.js", "keyboard.js", "input.js", "display.js", | |
6940936f | 22 | "rfb.js", "keysym.js", "inflator.js"]); |
bbbf42bb | 23 | |
bd6874e0 | 24 | UI = { |
bbbf42bb | 25 | |
045d9224 | 26 | rfb_state: 'loaded', |
529c64e1 | 27 | |
045d9224 | 28 | resizeTimeout: null, |
529c64e1 | 29 | popupStatusTimeout: null, |
30 | hideKeyboardTimeout: null, | |
31 | ||
045d9224 | 32 | settingsOpen: false, |
33 | connSettingsOpen: false, | |
bbbf42bb SR |
34 | clipboardOpen: false, |
35 | keyboardVisible: false, | |
529c64e1 | 36 | |
bbbf42bb | 37 | isTouchDevice: false, |
f620259b | 38 | isSafari: false, |
a6357e82 | 39 | rememberedClipSetting: null, |
529c64e1 | 40 | lastKeyboardinput: null, |
41 | defaultKeyboardinputLen: 100, | |
42 | ||
43 | shiftDown: false, | |
44 | ctrlDown: false, | |
45 | altDown: false, | |
46 | altGrDown: false, | |
bbbf42bb SR |
47 | |
48 | // Setup rfb object, load settings from browser storage, then call | |
49 | // UI.init to setup the UI/menus | |
0bd2cbac | 50 | load: function(callback) { |
bbbf42bb SR |
51 | WebUtil.initSettings(UI.start, callback); |
52 | }, | |
53 | ||
54 | // Render default UI and initialize settings menu | |
55 | start: function(callback) { | |
56 | UI.isTouchDevice = 'ontouchstart' in document.documentElement; | |
57 | ||
58 | // Stylesheet selection dropdown | |
59 | var sheet = WebUtil.selectStylesheet(); | |
60 | var sheets = WebUtil.getStylesheets(); | |
61 | var i; | |
62 | for (i = 0; i < sheets.length; i += 1) { | |
63 | UI.addOption($D('noVNC_stylesheet'),sheets[i].title, sheets[i].title); | |
64 | } | |
65 | ||
66 | // Logging selection dropdown | |
67 | var llevels = ['error', 'warn', 'info', 'debug']; | |
68 | for (i = 0; i < llevels.length; i += 1) { | |
69 | UI.addOption($D('noVNC_logging'),llevels[i], llevels[i]); | |
70 | } | |
71 | ||
72 | // Settings with immediate effects | |
73 | UI.initSetting('logging', 'warn'); | |
74 | WebUtil.init_logging(UI.getSetting('logging')); | |
75 | ||
76 | UI.initSetting('stylesheet', 'default'); | |
77 | WebUtil.selectStylesheet(null); | |
78 | // call twice to get around webkit bug | |
79 | WebUtil.selectStylesheet(UI.getSetting('stylesheet')); | |
80 | ||
81 | // if port == 80 (or 443) then it won't be present and should be | |
82 | // set manually | |
83 | var port = window.location.port; | |
84 | if (!port) { | |
85 | if (window.location.protocol.substring(0,5) == 'https') { | |
86 | port = 443; | |
87 | } | |
88 | else if (window.location.protocol.substring(0,4) == 'http') { | |
89 | port = 80; | |
90 | } | |
91 | } | |
92 | ||
93 | /* Populate the controls if defaults are provided in the URL */ | |
94 | UI.initSetting('host', window.location.hostname); | |
95 | UI.initSetting('port', port); | |
96 | UI.initSetting('password', ''); | |
97 | UI.initSetting('encrypt', (window.location.protocol === "https:")); | |
98 | UI.initSetting('true_color', true); | |
99 | UI.initSetting('cursor', !UI.isTouchDevice); | |
8b46c0de | 100 | UI.initSetting('resize', 'off'); |
bbbf42bb SR |
101 | UI.initSetting('shared', true); |
102 | UI.initSetting('view_only', false); | |
103 | UI.initSetting('path', 'websockify'); | |
104 | UI.initSetting('repeaterID', ''); | |
c55f05f6 | 105 | UI.initSetting('token', ''); |
bbbf42bb | 106 | |
494b407a | 107 | var autoconnect = WebUtil.getConfigVar('autoconnect', false); |
bbbf42bb SR |
108 | if (autoconnect === 'true' || autoconnect == '1') { |
109 | autoconnect = true; | |
110 | UI.connect(); | |
111 | } else { | |
112 | autoconnect = false; | |
113 | } | |
114 | ||
115 | UI.updateVisualState(); | |
116 | ||
fdedbafb | 117 | $D('noVNC_host').focus(); |
118 | ||
bbbf42bb SR |
119 | // Show mouse selector buttons on touch screen devices |
120 | if (UI.isTouchDevice) { | |
121 | // Show mobile buttons | |
122 | $D('noVNC_mobile_buttons').style.display = "inline"; | |
123 | UI.setMouseButton(); | |
124 | // Remove the address bar | |
125 | setTimeout(function() { window.scrollTo(0, 1); }, 100); | |
126 | UI.forceSetting('clip', true); | |
bbbf42bb SR |
127 | } else { |
128 | UI.initSetting('clip', false); | |
129 | } | |
130 | ||
bbbf42bb | 131 | UI.setViewClip(); |
fdedbafb | 132 | UI.setBarPosition(); |
f8b399d7 | 133 | |
134 | Util.addEvent(window, 'resize', function () { | |
777cb7a0 | 135 | UI.applyResizeMode(); |
f8b399d7 | 136 | UI.setViewClip(); |
31ddaa1c | 137 | UI.updateViewDrag(); |
fdedbafb | 138 | UI.setBarPosition(); |
f8b399d7 | 139 | } ); |
bbbf42bb | 140 | |
f620259b | 141 | UI.isSafari = (navigator.userAgent.indexOf('Safari') != -1 && |
142 | navigator.userAgent.indexOf('Chrome') == -1); | |
a6357e82 | 143 | |
144 | // Only show the button if fullscreen is properly supported | |
145 | // * Safari doesn't support alphanumerical input while in fullscreen | |
f620259b | 146 | if (!UI.isSafari && |
a6357e82 | 147 | (document.documentElement.requestFullscreen || |
148 | document.documentElement.mozRequestFullScreen || | |
149 | document.documentElement.webkitRequestFullscreen || | |
150 | document.body.msRequestFullscreen)) { | |
151 | $D('fullscreenButton').style.display = "inline"; | |
7d1dc09a | 152 | Util.addEvent(window, 'fullscreenchange', UI.updateFullscreenButton); |
153 | Util.addEvent(window, 'mozfullscreenchange', UI.updateFullscreenButton); | |
154 | Util.addEvent(window, 'webkitfullscreenchange', UI.updateFullscreenButton); | |
155 | Util.addEvent(window, 'msfullscreenchange', UI.updateFullscreenButton); | |
156 | } | |
157 | ||
5b7598ac | 158 | Util.addEvent(window, 'load', UI.keyboardinputReset); |
159 | ||
bbbf42bb | 160 | Util.addEvent(window, 'beforeunload', function () { |
58ded70d | 161 | if (UI.rfb && UI.rfb_state === 'normal') { |
bbbf42bb SR |
162 | return "You are currently connected."; |
163 | } | |
164 | } ); | |
165 | ||
166 | // Show description by default when hosted at for kanaka.github.com | |
167 | if (location.host === "kanaka.github.io") { | |
168 | // Open the description dialog | |
169 | $D('noVNC_description').style.display = "block"; | |
170 | } else { | |
171 | // Show the connect panel on first load unless autoconnecting | |
172 | if (autoconnect === UI.connSettingsOpen) { | |
173 | UI.toggleConnectPanel(); | |
174 | } | |
175 | } | |
176 | ||
177 | // Add mouse event click/focus/blur event handlers to the UI | |
178 | UI.addMouseHandlers(); | |
179 | ||
180 | if (typeof callback === "function") { | |
181 | callback(UI.rfb); | |
182 | } | |
183 | }, | |
184 | ||
0bd2cbac | 185 | initRFB: function() { |
d9fc1c7b SR |
186 | try { |
187 | UI.rfb = new RFB({'target': $D('noVNC_canvas'), | |
188 | 'onUpdateState': UI.updateState, | |
9e45354e | 189 | 'onXvpInit': UI.updateXvpButton, |
d9fc1c7b | 190 | 'onClipboard': UI.clipReceive, |
777cb7a0 | 191 | 'onFBUComplete': UI.initialResize, |
31ddaa1c | 192 | 'onFBResize': UI.updateViewDrag, |
d9fc1c7b SR |
193 | 'onDesktopName': UI.updateDocumentTitle}); |
194 | return true; | |
195 | } catch (exc) { | |
196 | UI.updateState(null, 'fatal', null, 'Unable to create RFB client -- ' + exc); | |
197 | return false; | |
198 | } | |
e543525f SR |
199 | }, |
200 | ||
bbbf42bb SR |
201 | addMouseHandlers: function() { |
202 | // Setup interface handlers that can't be inline | |
31ddaa1c | 203 | $D("noVNC_view_drag_button").onclick = UI.toggleViewDrag; |
bbbf42bb SR |
204 | $D("noVNC_mouse_button0").onclick = function () { UI.setMouseButton(1); }; |
205 | $D("noVNC_mouse_button1").onclick = function () { UI.setMouseButton(2); }; | |
206 | $D("noVNC_mouse_button2").onclick = function () { UI.setMouseButton(4); }; | |
207 | $D("noVNC_mouse_button4").onclick = function () { UI.setMouseButton(0); }; | |
208 | $D("showKeyboard").onclick = UI.showKeyboard; | |
209 | ||
210 | $D("keyboardinput").oninput = UI.keyInput; | |
fdf21468 | 211 | $D("keyboardinput").onblur = UI.hideKeyboard; |
48d26b2d | 212 | $D("keyboardinput").onsubmit = function () { return false; }; |
bbbf42bb | 213 | |
cd611a53 | 214 | $D("toggleExtraKeysButton").onclick = UI.toggleExtraKeys; |
bbbf42bb SR |
215 | $D("toggleCtrlButton").onclick = UI.toggleCtrl; |
216 | $D("toggleAltButton").onclick = UI.toggleAlt; | |
217 | $D("sendTabButton").onclick = UI.sendTab; | |
218 | $D("sendEscButton").onclick = UI.sendEsc; | |
219 | ||
220 | $D("sendCtrlAltDelButton").onclick = UI.sendCtrlAltDel; | |
221 | $D("xvpShutdownButton").onclick = UI.xvpShutdown; | |
222 | $D("xvpRebootButton").onclick = UI.xvpReboot; | |
223 | $D("xvpResetButton").onclick = UI.xvpReset; | |
4e471b5b | 224 | $D("noVNC_status").onclick = UI.popupStatus; |
225 | $D("noVNC_popup_status").onclick = UI.closePopup; | |
bbbf42bb SR |
226 | $D("xvpButton").onclick = UI.toggleXvpPanel; |
227 | $D("clipboardButton").onclick = UI.toggleClipboardPanel; | |
7d1dc09a | 228 | $D("fullscreenButton").onclick = UI.toggleFullscreen; |
bbbf42bb SR |
229 | $D("settingsButton").onclick = UI.toggleSettingsPanel; |
230 | $D("connectButton").onclick = UI.toggleConnectPanel; | |
231 | $D("disconnectButton").onclick = UI.disconnect; | |
232 | $D("descriptionButton").onclick = UI.toggleConnectPanel; | |
233 | ||
234 | $D("noVNC_clipboard_text").onfocus = UI.displayBlur; | |
235 | $D("noVNC_clipboard_text").onblur = UI.displayFocus; | |
236 | $D("noVNC_clipboard_text").onchange = UI.clipSend; | |
237 | $D("noVNC_clipboard_clear_button").onclick = UI.clipClear; | |
238 | ||
239 | $D("noVNC_settings_menu").onmouseover = UI.displayBlur; | |
240 | $D("noVNC_settings_menu").onmouseover = UI.displayFocus; | |
241 | $D("noVNC_apply").onclick = UI.settingsApply; | |
242 | ||
243 | $D("noVNC_connect_button").onclick = UI.connect; | |
72747869 | 244 | |
a6357e82 | 245 | $D("noVNC_resize").onchange = UI.enableDisableViewClip; |
bbbf42bb SR |
246 | }, |
247 | ||
29475d77 | 248 | updateState: function(rfb, state, oldstate, msg) { |
249 | UI.rfb_state = state; | |
250 | var klass; | |
251 | switch (state) { | |
252 | case 'failed': | |
253 | case 'fatal': | |
254 | klass = "noVNC_status_error"; | |
255 | break; | |
256 | case 'normal': | |
257 | klass = "noVNC_status_normal"; | |
258 | break; | |
259 | case 'disconnected': | |
260 | $D('noVNC_logo').style.display = "block"; | |
261 | $D('noVNC_screen').style.display = "none"; | |
262 | /* falls through */ | |
263 | case 'loaded': | |
264 | klass = "noVNC_status_normal"; | |
265 | break; | |
266 | case 'password': | |
267 | UI.toggleConnectPanel(); | |
268 | ||
269 | $D('noVNC_connect_button').value = "Send Password"; | |
270 | $D('noVNC_connect_button').onclick = UI.setPassword; | |
271 | $D('noVNC_password').focus(); | |
272 | ||
273 | klass = "noVNC_status_warn"; | |
274 | break; | |
275 | default: | |
276 | klass = "noVNC_status_warn"; | |
277 | break; | |
278 | } | |
279 | ||
280 | if (typeof(msg) !== 'undefined') { | |
281 | $D('noVNC-control-bar').setAttribute("class", klass); | |
282 | $D('noVNC_status').innerHTML = msg; | |
283 | } | |
284 | ||
285 | UI.updateVisualState(); | |
286 | }, | |
287 | ||
288 | // Disable/enable controls depending on connection state | |
289 | updateVisualState: function() { | |
290 | var connected = UI.rfb && UI.rfb_state === 'normal'; | |
291 | ||
292 | //Util.Debug(">> updateVisualState"); | |
293 | $D('noVNC_encrypt').disabled = connected; | |
294 | $D('noVNC_true_color').disabled = connected; | |
295 | if (Util.browserSupportsCursorURIs()) { | |
296 | $D('noVNC_cursor').disabled = connected; | |
297 | } else { | |
298 | UI.updateSetting('cursor', !UI.isTouchDevice); | |
299 | $D('noVNC_cursor').disabled = true; | |
300 | } | |
301 | ||
302 | UI.enableDisableViewClip(); | |
303 | $D('noVNC_resize').disabled = connected; | |
304 | $D('noVNC_shared').disabled = connected; | |
305 | $D('noVNC_view_only').disabled = connected; | |
306 | $D('noVNC_path').disabled = connected; | |
307 | $D('noVNC_repeaterID').disabled = connected; | |
308 | ||
309 | if (connected) { | |
310 | UI.setViewClip(); | |
311 | UI.setMouseButton(1); | |
312 | $D('clipboardButton').style.display = "inline"; | |
313 | $D('showKeyboard').style.display = "inline"; | |
314 | $D('noVNC_extra_keys').style.display = ""; | |
315 | $D('sendCtrlAltDelButton').style.display = "inline"; | |
316 | } else { | |
317 | UI.setMouseButton(); | |
318 | $D('clipboardButton').style.display = "none"; | |
319 | $D('showKeyboard').style.display = "none"; | |
320 | $D('noVNC_extra_keys').style.display = "none"; | |
321 | $D('sendCtrlAltDelButton').style.display = "none"; | |
9e45354e | 322 | UI.updateXvpButton(0); |
29475d77 | 323 | } |
324 | ||
325 | // State change disables viewport dragging. | |
326 | // It is enabled (toggled) by direct click on the button | |
327 | UI.updateViewDrag(false); | |
328 | ||
329 | switch (UI.rfb_state) { | |
330 | case 'fatal': | |
331 | case 'failed': | |
332 | case 'disconnected': | |
333 | $D('connectButton').style.display = ""; | |
334 | $D('disconnectButton').style.display = "none"; | |
335 | UI.connSettingsOpen = false; | |
336 | UI.toggleConnectPanel(); | |
337 | break; | |
338 | case 'loaded': | |
339 | $D('connectButton').style.display = ""; | |
340 | $D('disconnectButton').style.display = "none"; | |
341 | break; | |
342 | default: | |
343 | $D('connectButton').style.display = "none"; | |
344 | $D('disconnectButton').style.display = ""; | |
345 | break; | |
346 | } | |
347 | ||
348 | //Util.Debug("<< updateVisualState"); | |
349 | }, | |
350 | ||
4e471b5b | 351 | popupStatus: function(text) { |
352 | var psp = $D('noVNC_popup_status'); | |
353 | ||
354 | clearTimeout(UI.popupStatusTimeout); | |
355 | ||
356 | if (typeof text === 'string') { | |
357 | psp.innerHTML = text; | |
358 | } else { | |
359 | psp.innerHTML = $D('noVNC_status').innerHTML; | |
360 | } | |
361 | psp.style.display = "block"; | |
362 | psp.style.left = window.innerWidth/2 - | |
363 | parseInt(window.getComputedStyle(psp).width)/2 -30 + "px"; | |
364 | ||
365 | // Show the popup for a maximum of 1.5 seconds | |
366 | UI.popupStatusTimeout = setTimeout(function() { | |
367 | UI.closePopup(); | |
368 | }, 1500); | |
369 | }, | |
370 | ||
371 | closePopup: function() { | |
372 | clearTimeout(UI.popupStatusTimeout); | |
373 | $D('noVNC_popup_status').style.display = "none"; | |
374 | }, | |
375 | ||
45c70c9e | 376 | // Initial page load read/initialization of settings |
377 | initSetting: function(name, defVal) { | |
378 | // Check Query string followed by cookie | |
379 | var val = WebUtil.getConfigVar(name); | |
380 | if (val === null) { | |
381 | val = WebUtil.readSetting(name, defVal); | |
bbbf42bb | 382 | } |
45c70c9e | 383 | UI.updateSetting(name, val); |
bbbf42bb SR |
384 | return val; |
385 | }, | |
386 | ||
387 | // Update cookie and form control setting. If value is not set, then | |
388 | // updates from control to current cookie setting. | |
389 | updateSetting: function(name, value) { | |
390 | ||
391 | // Save the cookie for this session | |
392 | if (typeof value !== 'undefined') { | |
393 | WebUtil.writeSetting(name, value); | |
394 | } | |
395 | ||
396 | // Update the settings control | |
397 | value = UI.getSetting(name); | |
398 | ||
399 | var ctrl = $D('noVNC_' + name); | |
400 | if (ctrl.type === 'checkbox') { | |
401 | ctrl.checked = value; | |
402 | ||
403 | } else if (typeof ctrl.options !== 'undefined') { | |
404 | for (var i = 0; i < ctrl.options.length; i += 1) { | |
405 | if (ctrl.options[i].value === value) { | |
406 | ctrl.selectedIndex = i; | |
407 | break; | |
408 | } | |
409 | } | |
410 | } else { | |
411 | /*Weird IE9 error leads to 'null' appearring | |
412 | in textboxes instead of ''.*/ | |
413 | if (value === null) { | |
414 | value = ""; | |
415 | } | |
416 | ctrl.value = value; | |
417 | } | |
418 | }, | |
419 | ||
420 | // Save control setting to cookie | |
421 | saveSetting: function(name) { | |
422 | var val, ctrl = $D('noVNC_' + name); | |
423 | if (ctrl.type === 'checkbox') { | |
424 | val = ctrl.checked; | |
425 | } else if (typeof ctrl.options !== 'undefined') { | |
426 | val = ctrl.options[ctrl.selectedIndex].value; | |
427 | } else { | |
428 | val = ctrl.value; | |
429 | } | |
430 | WebUtil.writeSetting(name, val); | |
431 | //Util.Debug("Setting saved '" + name + "=" + val + "'"); | |
432 | return val; | |
433 | }, | |
434 | ||
45c70c9e | 435 | // Force a setting to be a certain value |
436 | forceSetting: function(name, val) { | |
bbbf42bb SR |
437 | UI.updateSetting(name, val); |
438 | return val; | |
439 | }, | |
440 | ||
45c70c9e | 441 | // Read form control compatible setting from cookie |
442 | getSetting: function(name) { | |
443 | var ctrl = $D('noVNC_' + name); | |
444 | var val = WebUtil.readSetting(name); | |
445 | if (typeof val !== 'undefined' && val !== null && ctrl.type === 'checkbox') { | |
446 | if (val.toString().toLowerCase() in {'0':1, 'no':1, 'false':1}) { | |
447 | val = false; | |
448 | } else { | |
449 | val = true; | |
450 | } | |
451 | } | |
bbbf42bb SR |
452 | return val; |
453 | }, | |
454 | ||
45c70c9e | 455 | // Open menu |
456 | openSettingsMenu: function() { | |
457 | // Close the description panel | |
458 | $D('noVNC_description').style.display = "none"; | |
459 | // Close clipboard panel if open | |
460 | if (UI.clipboardOpen === true) { | |
461 | UI.toggleClipboardPanel(); | |
462 | } | |
463 | // Close connection settings if open | |
464 | if (UI.connSettingsOpen === true) { | |
465 | UI.toggleConnectPanel(); | |
466 | } | |
467 | // Close XVP panel if open | |
468 | if (UI.xvpOpen === true) { | |
469 | UI.toggleXvpPanel(); | |
470 | } | |
471 | $D('noVNC_settings').style.display = "block"; | |
472 | $D('settingsButton').className = "noVNC_status_button_selected"; | |
473 | UI.settingsOpen = true; | |
474 | }, | |
475 | ||
476 | // Close menu (without applying settings) | |
477 | closeSettingsMenu: function() { | |
478 | $D('noVNC_settings').style.display = "none"; | |
479 | $D('settingsButton').className = "noVNC_status_button"; | |
480 | UI.settingsOpen = false; | |
481 | }, | |
482 | ||
483 | // Toggle the settings menu: | |
484 | // On open, settings are refreshed from saved cookies. | |
485 | // On close, settings are applied | |
486 | toggleSettingsPanel: function() { | |
487 | // Close the description panel | |
488 | $D('noVNC_description').style.display = "none"; | |
489 | if (UI.settingsOpen) { | |
490 | UI.settingsApply(); | |
491 | UI.closeSettingsMenu(); | |
492 | } else { | |
493 | UI.updateSetting('encrypt'); | |
494 | UI.updateSetting('true_color'); | |
495 | if (Util.browserSupportsCursorURIs()) { | |
496 | UI.updateSetting('cursor'); | |
497 | } else { | |
498 | UI.updateSetting('cursor', !UI.isTouchDevice); | |
499 | $D('noVNC_cursor').disabled = true; | |
500 | } | |
501 | UI.updateSetting('clip'); | |
502 | UI.updateSetting('resize'); | |
503 | UI.updateSetting('shared'); | |
504 | UI.updateSetting('view_only'); | |
505 | UI.updateSetting('path'); | |
506 | UI.updateSetting('repeaterID'); | |
507 | UI.updateSetting('stylesheet'); | |
508 | UI.updateSetting('logging'); | |
509 | ||
510 | UI.openSettingsMenu(); | |
511 | } | |
512 | }, | |
513 | ||
bbbf42bb SR |
514 | // Show the XVP panel |
515 | toggleXvpPanel: function() { | |
516 | // Close the description panel | |
517 | $D('noVNC_description').style.display = "none"; | |
518 | // Close settings if open | |
519 | if (UI.settingsOpen === true) { | |
520 | UI.settingsApply(); | |
521 | UI.closeSettingsMenu(); | |
522 | } | |
523 | // Close connection settings if open | |
524 | if (UI.connSettingsOpen === true) { | |
525 | UI.toggleConnectPanel(); | |
526 | } | |
bbbf42bb SR |
527 | // Close clipboard panel if open |
528 | if (UI.clipboardOpen === true) { | |
529 | UI.toggleClipboardPanel(); | |
530 | } | |
531 | // Toggle XVP panel | |
532 | if (UI.xvpOpen === true) { | |
533 | $D('noVNC_xvp').style.display = "none"; | |
534 | $D('xvpButton').className = "noVNC_status_button"; | |
535 | UI.xvpOpen = false; | |
536 | } else { | |
537 | $D('noVNC_xvp').style.display = "block"; | |
538 | $D('xvpButton').className = "noVNC_status_button_selected"; | |
539 | UI.xvpOpen = true; | |
540 | } | |
541 | }, | |
542 | ||
9e45354e | 543 | // Disable/enable XVP button |
544 | updateXvpButton: function(ver) { | |
545 | if (ver >= 1) { | |
546 | $D('xvpButton').style.display = 'inline'; | |
547 | } else { | |
548 | $D('xvpButton').style.display = 'none'; | |
549 | // Close XVP panel if open | |
550 | if (UI.xvpOpen === true) { | |
551 | UI.toggleXvpPanel(); | |
552 | } | |
553 | } | |
554 | }, | |
555 | ||
bbbf42bb SR |
556 | // Show the clipboard panel |
557 | toggleClipboardPanel: function() { | |
558 | // Close the description panel | |
559 | $D('noVNC_description').style.display = "none"; | |
560 | // Close settings if open | |
561 | if (UI.settingsOpen === true) { | |
562 | UI.settingsApply(); | |
563 | UI.closeSettingsMenu(); | |
564 | } | |
565 | // Close connection settings if open | |
566 | if (UI.connSettingsOpen === true) { | |
567 | UI.toggleConnectPanel(); | |
568 | } | |
bbbf42bb SR |
569 | // Close XVP panel if open |
570 | if (UI.xvpOpen === true) { | |
571 | UI.toggleXvpPanel(); | |
572 | } | |
573 | // Toggle Clipboard Panel | |
574 | if (UI.clipboardOpen === true) { | |
575 | $D('noVNC_clipboard').style.display = "none"; | |
576 | $D('clipboardButton').className = "noVNC_status_button"; | |
577 | UI.clipboardOpen = false; | |
578 | } else { | |
579 | $D('noVNC_clipboard').style.display = "block"; | |
580 | $D('clipboardButton').className = "noVNC_status_button_selected"; | |
581 | UI.clipboardOpen = true; | |
582 | } | |
583 | }, | |
584 | ||
ab81ddf5 | 585 | // Show the connection settings panel/menu |
586 | toggleConnectPanel: function() { | |
587 | // Close the description panel | |
588 | $D('noVNC_description').style.display = "none"; | |
589 | // Close connection settings if open | |
590 | if (UI.settingsOpen === true) { | |
591 | UI.settingsApply(); | |
592 | UI.closeSettingsMenu(); | |
593 | $D('connectButton').className = "noVNC_status_button"; | |
594 | } | |
595 | // Close clipboard panel if open | |
596 | if (UI.clipboardOpen === true) { | |
597 | UI.toggleClipboardPanel(); | |
598 | } | |
599 | // Close XVP panel if open | |
600 | if (UI.xvpOpen === true) { | |
601 | UI.toggleXvpPanel(); | |
602 | } | |
603 | ||
604 | // Toggle Connection Panel | |
605 | if (UI.connSettingsOpen === true) { | |
606 | $D('noVNC_controls').style.display = "none"; | |
607 | $D('connectButton').className = "noVNC_status_button"; | |
608 | UI.connSettingsOpen = false; | |
609 | UI.saveSetting('host'); | |
610 | UI.saveSetting('port'); | |
611 | UI.saveSetting('token'); | |
612 | //UI.saveSetting('password'); | |
613 | } else { | |
614 | $D('noVNC_controls').style.display = "block"; | |
615 | $D('connectButton').className = "noVNC_status_button_selected"; | |
616 | UI.connSettingsOpen = true; | |
617 | $D('noVNC_host').focus(); | |
618 | } | |
619 | }, | |
620 | ||
621 | connect: function() { | |
622 | UI.closeSettingsMenu(); | |
623 | UI.toggleConnectPanel(); | |
624 | ||
625 | var host = $D('noVNC_host').value; | |
626 | var port = $D('noVNC_port').value; | |
627 | var password = $D('noVNC_password').value; | |
628 | var token = $D('noVNC_token').value; | |
629 | var path = $D('noVNC_path').value; | |
630 | ||
631 | //if token is in path then ignore the new token variable | |
632 | if (token) { | |
633 | path = WebUtil.injectParamIfMissing(path, "token", token); | |
634 | } | |
635 | ||
636 | if ((!host) || (!port)) { | |
637 | throw new Error("Must set host and port"); | |
638 | } | |
639 | ||
640 | if (!UI.initRFB()) return; | |
641 | ||
642 | UI.rfb.set_encrypt(UI.getSetting('encrypt')); | |
643 | UI.rfb.set_true_color(UI.getSetting('true_color')); | |
644 | UI.rfb.set_local_cursor(UI.getSetting('cursor')); | |
645 | UI.rfb.set_shared(UI.getSetting('shared')); | |
646 | UI.rfb.set_view_only(UI.getSetting('view_only')); | |
647 | UI.rfb.set_repeaterID(UI.getSetting('repeaterID')); | |
648 | ||
649 | UI.rfb.connect(host, port, password, path); | |
650 | ||
651 | //Close dialog. | |
652 | setTimeout(UI.setBarPosition, 100); | |
653 | $D('noVNC_logo').style.display = "none"; | |
654 | $D('noVNC_screen').style.display = "inline"; | |
655 | }, | |
656 | ||
657 | disconnect: function() { | |
658 | UI.closeSettingsMenu(); | |
659 | UI.rfb.disconnect(); | |
660 | ||
661 | // Restore the callback used for initial resize | |
662 | UI.rfb.set_onFBUComplete(UI.initialResize); | |
663 | ||
664 | $D('noVNC_logo').style.display = "block"; | |
665 | $D('noVNC_screen').style.display = "none"; | |
666 | ||
667 | // Don't display the connection settings until we're actually disconnected | |
668 | }, | |
669 | ||
7d1dc09a | 670 | toggleFullscreen: function() { |
671 | if (document.fullscreenElement || // alternative standard method | |
672 | document.mozFullScreenElement || // currently working methods | |
673 | document.webkitFullscreenElement || | |
a6357e82 | 674 | document.msFullscreenElement) { |
7d1dc09a | 675 | if (document.exitFullscreen) { |
676 | document.exitFullscreen(); | |
677 | } else if (document.mozCancelFullScreen) { | |
678 | document.mozCancelFullScreen(); | |
679 | } else if (document.webkitExitFullscreen) { | |
680 | document.webkitExitFullscreen(); | |
681 | } else if (document.msExitFullscreen) { | |
682 | document.msExitFullscreen(); | |
683 | } | |
684 | } else { | |
685 | if (document.documentElement.requestFullscreen) { | |
686 | document.documentElement.requestFullscreen(); | |
687 | } else if (document.documentElement.mozRequestFullScreen) { | |
688 | document.documentElement.mozRequestFullScreen(); | |
689 | } else if (document.documentElement.webkitRequestFullscreen) { | |
690 | document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT); | |
691 | } else if (document.body.msRequestFullscreen) { | |
692 | document.body.msRequestFullscreen(); | |
693 | } | |
694 | } | |
a6357e82 | 695 | UI.enableDisableViewClip(); |
7d1dc09a | 696 | UI.updateFullscreenButton(); |
697 | }, | |
698 | ||
699 | updateFullscreenButton: function() { | |
700 | if (document.fullscreenElement || // alternative standard method | |
701 | document.mozFullScreenElement || // currently working methods | |
702 | document.webkitFullscreenElement || | |
703 | document.msFullscreenElement ) { | |
704 | $D('fullscreenButton').className = "noVNC_status_button_selected"; | |
705 | } else { | |
706 | $D('fullscreenButton').className = "noVNC_status_button"; | |
707 | } | |
708 | }, | |
709 | ||
bbbf42bb SR |
710 | // Save/apply settings when 'Apply' button is pressed |
711 | settingsApply: function() { | |
712 | //Util.Debug(">> settingsApply"); | |
713 | UI.saveSetting('encrypt'); | |
714 | UI.saveSetting('true_color'); | |
58ded70d | 715 | if (Util.browserSupportsCursorURIs()) { |
bbbf42bb SR |
716 | UI.saveSetting('cursor'); |
717 | } | |
72747869 | 718 | |
f8b399d7 | 719 | UI.saveSetting('resize'); |
72747869 SR |
720 | |
721 | if (UI.getSetting('resize') === 'downscale' || UI.getSetting('resize') === 'scale') { | |
722 | UI.forceSetting('clip', false); | |
723 | } | |
724 | ||
725 | UI.saveSetting('clip'); | |
bbbf42bb SR |
726 | UI.saveSetting('shared'); |
727 | UI.saveSetting('view_only'); | |
728 | UI.saveSetting('path'); | |
729 | UI.saveSetting('repeaterID'); | |
730 | UI.saveSetting('stylesheet'); | |
731 | UI.saveSetting('logging'); | |
732 | ||
733 | // Settings with immediate (non-connected related) effect | |
734 | WebUtil.selectStylesheet(UI.getSetting('stylesheet')); | |
735 | WebUtil.init_logging(UI.getSetting('logging')); | |
736 | UI.setViewClip(); | |
31ddaa1c | 737 | UI.updateViewDrag(); |
bbbf42bb SR |
738 | //Util.Debug("<< settingsApply"); |
739 | }, | |
740 | ||
741 | ||
bbbf42bb SR |
742 | setPassword: function() { |
743 | UI.rfb.sendPassword($D('noVNC_password').value); | |
744 | //Reset connect button. | |
745 | $D('noVNC_connect_button').value = "Connect"; | |
340290fa | 746 | $D('noVNC_connect_button').onclick = UI.connect; |
bbbf42bb | 747 | //Hide connection panel. |
f8ddfc73 | 748 | UI.toggleConnectPanel(); |
bbbf42bb SR |
749 | return false; |
750 | }, | |
da6dd893 | 751 | |
bbbf42bb SR |
752 | xvpShutdown: function() { |
753 | UI.rfb.xvpShutdown(); | |
754 | }, | |
01a9eee9 | 755 | |
bbbf42bb SR |
756 | xvpReboot: function() { |
757 | UI.rfb.xvpReboot(); | |
758 | }, | |
53fc7392 | 759 | |
bbbf42bb SR |
760 | xvpReset: function() { |
761 | UI.rfb.xvpReset(); | |
762 | }, | |
01a9eee9 | 763 | |
bbbf42bb SR |
764 | // Display the desktop name in the document title |
765 | updateDocumentTitle: function(rfb, name) { | |
766 | document.title = name + " - noVNC"; | |
767 | }, | |
768 | ||
769 | clipReceive: function(rfb, text) { | |
770 | Util.Debug(">> UI.clipReceive: " + text.substr(0,40) + "..."); | |
771 | $D('noVNC_clipboard_text').value = text; | |
772 | Util.Debug("<< UI.clipReceive"); | |
773 | }, | |
774 | ||
bbbf42bb | 775 | displayBlur: function() { |
58ded70d SR |
776 | if (!UI.rfb) return; |
777 | ||
bbbf42bb SR |
778 | UI.rfb.get_keyboard().set_focused(false); |
779 | UI.rfb.get_mouse().set_focused(false); | |
780 | }, | |
781 | ||
782 | displayFocus: function() { | |
58ded70d SR |
783 | if (!UI.rfb) return; |
784 | ||
bbbf42bb SR |
785 | UI.rfb.get_keyboard().set_focused(true); |
786 | UI.rfb.get_mouse().set_focused(true); | |
787 | }, | |
788 | ||
789 | clipClear: function() { | |
790 | $D('noVNC_clipboard_text').value = ""; | |
791 | UI.rfb.clipboardPasteFrom(""); | |
792 | }, | |
793 | ||
794 | clipSend: function() { | |
795 | var text = $D('noVNC_clipboard_text').value; | |
796 | Util.Debug(">> UI.clipSend: " + text.substr(0,40) + "..."); | |
797 | UI.rfb.clipboardPasteFrom(text); | |
798 | Util.Debug("<< UI.clipSend"); | |
799 | }, | |
800 | ||
777cb7a0 | 801 | |
802 | // Apply remote resizing or local scaling | |
0bd2cbac | 803 | applyResizeMode: function() { |
777cb7a0 | 804 | if (!UI.rfb) return; |
805 | ||
806 | var screen = UI.screenSize(); | |
807 | ||
808 | if (screen && UI.rfb_state === 'normal' && UI.rfb.get_display()) { | |
809 | ||
810 | var display = UI.rfb.get_display(); | |
811 | var resizeMode = UI.getSetting('resize'); | |
812 | ||
813 | if (resizeMode === 'remote') { | |
814 | ||
815 | // Request changing the resolution of the remote display to | |
816 | // the size of the local browser viewport. | |
817 | ||
818 | // In order to not send multiple requests before the browser-resize | |
819 | // is finished we wait 0.5 seconds before sending the request. | |
820 | clearTimeout(UI.resizeTimeout); | |
821 | UI.resizeTimeout = setTimeout(function(){ | |
822 | ||
823 | // Limit the viewport to the size of the browser window | |
824 | display.set_maxWidth(screen.w); | |
825 | display.set_maxHeight(screen.h); | |
826 | ||
827 | Util.Debug('Attempting setDesktopSize(' + | |
828 | screen.w + ', ' + screen.h + ')'); | |
829 | ||
830 | // Request a remote size covering the viewport | |
831 | UI.rfb.setDesktopSize(screen.w, screen.h); | |
832 | }, 500); | |
833 | ||
834 | } else if (resizeMode === 'scale' || resizeMode === 'downscale') { | |
835 | var downscaleOnly = resizeMode === 'downscale'; | |
836 | var scaleRatio = display.autoscale(screen.w, screen.h, downscaleOnly); | |
837 | UI.rfb.get_mouse().set_scale(scaleRatio); | |
838 | Util.Debug('Scaling by ' + UI.rfb.get_mouse().get_scale()); | |
839 | } | |
840 | } | |
841 | }, | |
842 | ||
843 | // The screen is always the same size as the available viewport | |
844 | // in the browser window minus the height of the control bar | |
0bd2cbac | 845 | screenSize: function() { |
777cb7a0 | 846 | var screen = $D('noVNC_screen'); |
847 | ||
848 | // Hide the scrollbars until the size is calculated | |
849 | screen.style.overflow = "hidden"; | |
850 | ||
851 | var pos = Util.getPosition(screen); | |
852 | var w = pos.width; | |
853 | var h = pos.height; | |
854 | ||
855 | screen.style.overflow = "visible"; | |
856 | ||
857 | if (isNaN(w) || isNaN(h)) { | |
858 | return false; | |
859 | } else { | |
860 | return {w: w, h: h}; | |
861 | } | |
862 | }, | |
863 | ||
864 | // Normally we only apply the current resize mode after a window resize | |
865 | // event. This means that when a new connection is opened, there is no | |
866 | // resize mode active. | |
867 | // We have to wait until the first FBU because this is where the client | |
868 | // will find the supported encodings of the server. Some calls later in | |
869 | // the chain is dependant on knowing the server-capabilities. | |
870 | initialResize: function(rfb, fbu) { | |
871 | UI.applyResizeMode(); | |
872 | // After doing this once, we remove the callback. | |
873 | UI.rfb.set_onFBUComplete(function() { }); | |
874 | }, | |
875 | ||
30bfff81 | 876 | // Set and configure viewport clipping |
bbbf42bb SR |
877 | setViewClip: function(clip) { |
878 | var display; | |
879 | if (UI.rfb) { | |
880 | display = UI.rfb.get_display(); | |
881 | } else { | |
a6357e82 | 882 | UI.forceSetting('clip', clip); |
bbbf42bb SR |
883 | return; |
884 | } | |
8e0f0088 | 885 | |
bbbf42bb SR |
886 | var cur_clip = display.get_viewport(); |
887 | ||
888 | if (typeof(clip) !== 'boolean') { | |
889 | // Use current setting | |
890 | clip = UI.getSetting('clip'); | |
891 | } | |
8e0f0088 | 892 | |
bbbf42bb SR |
893 | if (clip && !cur_clip) { |
894 | // Turn clipping on | |
895 | UI.updateSetting('clip', true); | |
896 | } else if (!clip && cur_clip) { | |
897 | // Turn clipping off | |
898 | UI.updateSetting('clip', false); | |
899 | display.set_viewport(false); | |
31ddaa1c | 900 | // Disable max dimensions |
fdedbafb | 901 | display.set_maxWidth(0); |
902 | display.set_maxHeight(0); | |
f8b399d7 | 903 | display.viewportChangeSize(); |
bbbf42bb SR |
904 | } |
905 | if (UI.getSetting('clip')) { | |
906 | // If clipping, update clipping settings | |
bbbf42bb | 907 | display.set_viewport(true); |
fdedbafb | 908 | |
553864e8 | 909 | var size = UI.screenSize(); |
fdedbafb | 910 | if (size) { |
911 | display.set_maxWidth(size.w); | |
912 | display.set_maxHeight(size.h); | |
913 | ||
914 | // Hide potential scrollbars that can skew the position | |
553864e8 | 915 | $D('noVNC_screen').style.overflow = "hidden"; |
fdedbafb | 916 | |
917 | // The x position marks the left margin of the canvas, | |
918 | // remove the margin from both sides to keep it centered | |
919 | var new_w = size.w - (2 * Util.getPosition($D('noVNC_canvas')).x); | |
920 | ||
553864e8 | 921 | $D('noVNC_screen').style.overflow = "visible"; |
fdedbafb | 922 | |
923 | display.viewportChangeSize(new_w, size.h); | |
924 | } | |
bbbf42bb SR |
925 | } |
926 | }, | |
927 | ||
30bfff81 | 928 | // Handle special cases where clipping is forced on/off or locked |
0bd2cbac | 929 | enableDisableViewClip: function() { |
30bfff81 | 930 | var resizeElem = $D('noVNC_resize'); |
a6357e82 | 931 | var connected = UI.rfb && UI.rfb_state === 'normal'; |
932 | ||
f620259b | 933 | if (UI.isSafari) { |
934 | // Safari auto-hides the scrollbars which makes them | |
935 | // impossible to use in most cases | |
936 | UI.setViewClip(true); | |
937 | $D('noVNC_clip').disabled = true; | |
938 | } else if (resizeElem.value === 'downscale' || resizeElem.value === 'scale') { | |
a6357e82 | 939 | // Disable clipping if we are scaling |
940 | UI.setViewClip(false); | |
941 | $D('noVNC_clip').disabled = true; | |
942 | } else if (document.msFullscreenElement) { | |
943 | // The browser is IE and we are in fullscreen mode. | |
944 | // - We need to force clipping while in fullscreen since | |
945 | // scrollbars doesn't work. | |
4e471b5b | 946 | UI.popupStatus("Forcing clipping mode since scrollbars aren't supported by IE in fullscreen"); |
a6357e82 | 947 | UI.rememberedClipSetting = UI.getSetting('clip'); |
948 | UI.setViewClip(true); | |
30bfff81 | 949 | $D('noVNC_clip').disabled = true; |
a6357e82 | 950 | } else if (document.body.msRequestFullscreen && UI.rememberedClip !== null) { |
951 | // Restore view clip to what it was before fullscreen on IE | |
952 | UI.setViewClip(UI.rememberedClipSetting); | |
953 | $D('noVNC_clip').disabled = connected || UI.isTouchDevice; | |
30bfff81 | 954 | } else { |
955 | $D('noVNC_clip').disabled = connected || UI.isTouchDevice; | |
956 | if (UI.isTouchDevice) { | |
a6357e82 | 957 | UI.setViewClip(true); |
30bfff81 | 958 | } |
959 | } | |
960 | }, | |
961 | ||
e00698fe | 962 | // Update the viewport drag state |
31ddaa1c | 963 | updateViewDrag: function(drag) { |
58ded70d | 964 | if (!UI.rfb) return; |
bbbf42bb | 965 | |
e00698fe | 966 | var viewDragButton = $D('noVNC_view_drag_button'); |
bbbf42bb | 967 | |
e00698fe | 968 | // Check if viewport drag is possible. It is only possible |
969 | // if the remote display is clipping the client display. | |
f8b399d7 | 970 | if (UI.rfb_state === 'normal' && |
971 | UI.rfb.get_display().get_viewport() && | |
fdedbafb | 972 | UI.rfb.get_display().clippingDisplay()) { |
31ddaa1c | 973 | |
e00698fe | 974 | viewDragButton.style.display = "inline"; |
975 | viewDragButton.disabled = false; | |
29a0e6a8 | 976 | |
31ddaa1c | 977 | } else { |
e00698fe | 978 | // The size of the remote display is the same or smaller |
979 | // than the client display. Make sure viewport drag isn't | |
980 | // active when it can't be used. | |
31ddaa1c | 981 | if (UI.rfb.get_viewportDrag) { |
e00698fe | 982 | viewDragButton.className = "noVNC_status_button"; |
31ddaa1c | 983 | UI.rfb.set_viewportDrag(false); |
984 | } | |
985 | ||
e00698fe | 986 | // The button is disabled instead of hidden on touch devices |
31ddaa1c | 987 | if (UI.rfb_state === 'normal' && UI.isTouchDevice) { |
e00698fe | 988 | viewDragButton.style.display = "inline"; |
989 | viewDragButton.disabled = true; | |
31ddaa1c | 990 | } else { |
e00698fe | 991 | viewDragButton.style.display = "none"; |
31ddaa1c | 992 | } |
993 | return; | |
994 | } | |
995 | ||
996 | if (typeof(drag) !== "undefined" && | |
997 | typeof(drag) !== "object") { | |
998 | if (drag) { | |
e00698fe | 999 | viewDragButton.className = "noVNC_status_button_selected"; |
31ddaa1c | 1000 | UI.rfb.set_viewportDrag(true); |
1001 | } else { | |
e00698fe | 1002 | viewDragButton.className = "noVNC_status_button"; |
31ddaa1c | 1003 | UI.rfb.set_viewportDrag(false); |
1004 | } | |
1005 | } | |
1006 | }, | |
29a0e6a8 | 1007 | |
31ddaa1c | 1008 | toggleViewDrag: function() { |
1009 | if (!UI.rfb) return; | |
1010 | ||
e00698fe | 1011 | var viewDragButton = $D('noVNC_view_drag_button'); |
31ddaa1c | 1012 | if (UI.rfb.get_viewportDrag()) { |
e00698fe | 1013 | viewDragButton.className = "noVNC_status_button"; |
31ddaa1c | 1014 | UI.rfb.set_viewportDrag(false); |
f8b399d7 | 1015 | } else { |
e00698fe | 1016 | viewDragButton.className = "noVNC_status_button_selected"; |
31ddaa1c | 1017 | UI.rfb.set_viewportDrag(true); |
f8b399d7 | 1018 | } |
1019 | }, | |
1020 | ||
fdf21468 | 1021 | setMouseButton: function(num) { |
1022 | if (typeof num === 'undefined') { | |
1023 | // Disable mouse buttons | |
1024 | num = -1; | |
1025 | } | |
1026 | if (UI.rfb) { | |
1027 | UI.rfb.get_mouse().set_touchButton(num); | |
1028 | } | |
1029 | ||
1030 | var blist = [0, 1,2,4]; | |
1031 | for (var b = 0; b < blist.length; b++) { | |
1032 | var button = $D('noVNC_mouse_button' + blist[b]); | |
1033 | if (blist[b] === num) { | |
1034 | button.style.display = ""; | |
1035 | } else { | |
1036 | button.style.display = "none"; | |
1037 | } | |
1038 | } | |
1039 | }, | |
1040 | ||
bbbf42bb SR |
1041 | // On touch devices, show the OS keyboard |
1042 | showKeyboard: function() { | |
1043 | var kbi = $D('keyboardinput'); | |
1044 | var skb = $D('showKeyboard'); | |
1045 | var l = kbi.value.length; | |
1046 | if(UI.keyboardVisible === false) { | |
1047 | kbi.focus(); | |
1048 | try { kbi.setSelectionRange(l, l); } // Move the caret to the end | |
1049 | catch (err) {} // setSelectionRange is undefined in Google Chrome | |
1050 | UI.keyboardVisible = true; | |
1051 | skb.className = "noVNC_status_button_selected"; | |
1052 | } else if(UI.keyboardVisible === true) { | |
1053 | kbi.blur(); | |
1054 | skb.className = "noVNC_status_button"; | |
1055 | UI.keyboardVisible = false; | |
1056 | } | |
1057 | }, | |
1058 | ||
fdf21468 | 1059 | hideKeyboard: function() { |
1060 | $D('showKeyboard').className = "noVNC_status_button"; | |
1061 | //Weird bug in iOS if you change keyboardVisible | |
1062 | //here it does not actually occur so next time | |
1063 | //you click keyboard icon it doesnt work. | |
1064 | UI.hideKeyboardTimeout = setTimeout(function() { | |
1065 | UI.keyboardVisible = false; | |
1066 | },100); | |
1067 | }, | |
1068 | ||
bbbf42bb SR |
1069 | keepKeyboard: function() { |
1070 | clearTimeout(UI.hideKeyboardTimeout); | |
1071 | if(UI.keyboardVisible === true) { | |
1072 | $D('keyboardinput').focus(); | |
1073 | $D('showKeyboard').className = "noVNC_status_button_selected"; | |
1074 | } else if(UI.keyboardVisible === false) { | |
1075 | $D('keyboardinput').blur(); | |
1076 | $D('showKeyboard').className = "noVNC_status_button"; | |
1077 | } | |
1078 | }, | |
1079 | ||
1080 | keyboardinputReset: function() { | |
1081 | var kbi = $D('keyboardinput'); | |
1082 | kbi.value = new Array(UI.defaultKeyboardinputLen).join("_"); | |
1083 | UI.lastKeyboardinput = kbi.value; | |
1084 | }, | |
1085 | ||
1086 | // When normal keyboard events are left uncought, use the input events from | |
1087 | // the keyboardinput element instead and generate the corresponding key events. | |
1088 | // This code is required since some browsers on Android are inconsistent in | |
1089 | // sending keyCodes in the normal keyboard events when using on screen keyboards. | |
1090 | keyInput: function(event) { | |
3b8ec46f | 1091 | |
58ded70d | 1092 | if (!UI.rfb) return; |
3b8ec46f | 1093 | |
bbbf42bb | 1094 | var newValue = event.target.value; |
1138bdd4 | 1095 | |
1096 | if (!UI.lastKeyboardinput) { | |
1097 | UI.keyboardinputReset(); | |
1098 | } | |
cb3e4deb | 1099 | var oldValue = UI.lastKeyboardinput; |
bbbf42bb SR |
1100 | |
1101 | var newLen; | |
1102 | try { | |
1103 | // Try to check caret position since whitespace at the end | |
1104 | // will not be considered by value.length in some browsers | |
1105 | newLen = Math.max(event.target.selectionStart, newValue.length); | |
1106 | } catch (err) { | |
1107 | // selectionStart is undefined in Google Chrome | |
1108 | newLen = newValue.length; | |
1109 | } | |
1110 | var oldLen = oldValue.length; | |
1111 | ||
1112 | var backspaces; | |
1113 | var inputs = newLen - oldLen; | |
1114 | if (inputs < 0) { | |
1115 | backspaces = -inputs; | |
1116 | } else { | |
1117 | backspaces = 0; | |
1118 | } | |
8e0f0088 | 1119 | |
bbbf42bb SR |
1120 | // Compare the old string with the new to account for |
1121 | // text-corrections or other input that modify existing text | |
1122 | var i; | |
1123 | for (i = 0; i < Math.min(oldLen, newLen); i++) { | |
1124 | if (newValue.charAt(i) != oldValue.charAt(i)) { | |
1125 | inputs = newLen - i; | |
1126 | backspaces = oldLen - i; | |
1127 | break; | |
1128 | } | |
1129 | } | |
1130 | ||
1131 | // Send the key events | |
1132 | for (i = 0; i < backspaces; i++) { | |
1133 | UI.rfb.sendKey(XK_BackSpace); | |
1134 | } | |
1135 | for (i = newLen - inputs; i < newLen; i++) { | |
1136 | UI.rfb.sendKey(newValue.charCodeAt(i)); | |
1137 | } | |
1138 | ||
1139 | // Control the text content length in the keyboardinput element | |
1140 | if (newLen > 2 * UI.defaultKeyboardinputLen) { | |
1141 | UI.keyboardinputReset(); | |
1142 | } else if (newLen < 1) { | |
1143 | // There always have to be some text in the keyboardinput | |
1144 | // element with which backspace can interact. | |
1145 | UI.keyboardinputReset(); | |
1146 | // This sometimes causes the keyboard to disappear for a second | |
1147 | // but it is required for the android keyboard to recognize that | |
1148 | // text has been added to the field | |
1149 | event.target.blur(); | |
1150 | // This has to be ran outside of the input handler in order to work | |
1151 | setTimeout(function() { UI.keepKeyboard(); }, 0); | |
1152 | } else { | |
1153 | UI.lastKeyboardinput = newValue; | |
1154 | } | |
1155 | }, | |
1156 | ||
cd611a53 | 1157 | toggleExtraKeys: function() { |
bbbf42bb SR |
1158 | UI.keepKeyboard(); |
1159 | if(UI.extraKeysVisible === false) { | |
1160 | $D('toggleCtrlButton').style.display = "inline"; | |
1161 | $D('toggleAltButton').style.display = "inline"; | |
1162 | $D('sendTabButton').style.display = "inline"; | |
1163 | $D('sendEscButton').style.display = "inline"; | |
cd611a53 | 1164 | $D('toggleExtraKeysButton').className = "noVNC_status_button_selected"; |
bbbf42bb SR |
1165 | UI.extraKeysVisible = true; |
1166 | } else if(UI.extraKeysVisible === true) { | |
1167 | $D('toggleCtrlButton').style.display = ""; | |
1168 | $D('toggleAltButton').style.display = ""; | |
1169 | $D('sendTabButton').style.display = ""; | |
1170 | $D('sendEscButton').style.display = ""; | |
cd611a53 | 1171 | $D('toggleExtraKeysButton').className = "noVNC_status_button"; |
bbbf42bb SR |
1172 | UI.extraKeysVisible = false; |
1173 | } | |
1174 | }, | |
1175 | ||
fdf21468 | 1176 | sendEsc: function() { |
1177 | UI.keepKeyboard(); | |
1178 | UI.rfb.sendKey(XK_Escape); | |
1179 | }, | |
1180 | ||
1181 | sendTab: function() { | |
1182 | UI.keepKeyboard(); | |
1183 | UI.rfb.sendKey(XK_Tab); | |
1184 | }, | |
1185 | ||
bbbf42bb SR |
1186 | toggleCtrl: function() { |
1187 | UI.keepKeyboard(); | |
1188 | if(UI.ctrlOn === false) { | |
1189 | UI.rfb.sendKey(XK_Control_L, true); | |
1190 | $D('toggleCtrlButton').className = "noVNC_status_button_selected"; | |
1191 | UI.ctrlOn = true; | |
1192 | } else if(UI.ctrlOn === true) { | |
1193 | UI.rfb.sendKey(XK_Control_L, false); | |
1194 | $D('toggleCtrlButton').className = "noVNC_status_button"; | |
1195 | UI.ctrlOn = false; | |
1196 | } | |
1197 | }, | |
1198 | ||
1199 | toggleAlt: function() { | |
1200 | UI.keepKeyboard(); | |
1201 | if(UI.altOn === false) { | |
1202 | UI.rfb.sendKey(XK_Alt_L, true); | |
1203 | $D('toggleAltButton').className = "noVNC_status_button_selected"; | |
1204 | UI.altOn = true; | |
1205 | } else if(UI.altOn === true) { | |
1206 | UI.rfb.sendKey(XK_Alt_L, false); | |
1207 | $D('toggleAltButton').className = "noVNC_status_button"; | |
1208 | UI.altOn = false; | |
1209 | } | |
1210 | }, | |
1211 | ||
fdf21468 | 1212 | sendCtrlAltDel: function() { |
1213 | UI.rfb.sendCtrlAltDel(); | |
bbbf42bb SR |
1214 | }, |
1215 | ||
bbbf42bb SR |
1216 | //Helper to add options to dropdown. |
1217 | addOption: function(selectbox, text, value) { | |
1218 | var optn = document.createElement("OPTION"); | |
1219 | optn.text = text; | |
1220 | optn.value = value; | |
1221 | selectbox.options.add(optn); | |
1222 | }, | |
1223 | ||
1224 | setBarPosition: function() { | |
1225 | $D('noVNC-control-bar').style.top = (window.pageYOffset) + 'px'; | |
1226 | $D('noVNC_mobile_buttons').style.left = (window.pageXOffset) + 'px'; | |
1227 | ||
553864e8 | 1228 | var vncwidth = $D('noVNC_container').style.offsetWidth; |
bbbf42bb SR |
1229 | $D('noVNC-control-bar').style.width = vncwidth + 'px'; |
1230 | } | |
1231 | ||
1232 | }; | |
1233 | })(); |