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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 | 10 | /* jslint white: false, browser: true */ |
ae510306 SR |
11 | /* global window, document.getElementById, Util, WebUtil, RFB, Display */ |
12 | ||
13 | /* [module] | |
14 | * import Util from "../core/util"; | |
bd5340c7 | 15 | * import KeyTable from "../core/input/keysym"; |
ae510306 SR |
16 | * import RFB from "../core/rfb"; |
17 | * import Display from "../core/display"; | |
18 | * import WebUtil from "./webutil"; | |
19 | */ | |
bbbf42bb SR |
20 | |
21 | var UI; | |
22 | ||
23 | (function () { | |
24 | "use strict"; | |
25 | ||
ae510306 | 26 | /* [begin skip-as-module] */ |
bbbf42bb | 27 | // Load supporting scripts |
72bdd06e | 28 | WebUtil.load_scripts( |
bd5340c7 SR |
29 | {'core': ["base64.js", "websock.js", "des.js", "input/keysymdef.js", |
30 | "input/xtscancodes.js", "input/util.js", "input/devices.js", | |
31 | "display.js", "inflator.js", "rfb.js", "input/keysym.js"]}); | |
ae510306 | 32 | |
bbbf42bb | 33 | window.onscriptsload = function () { UI.load(); }; |
ae510306 | 34 | /* [end skip-as-module] */ |
bbbf42bb | 35 | |
bd6874e0 | 36 | UI = { |
bbbf42bb | 37 | |
045d9224 | 38 | rfb_state: 'loaded', |
529c64e1 | 39 | |
045d9224 | 40 | resizeTimeout: null, |
529c64e1 | 41 | popupStatusTimeout: null, |
42 | hideKeyboardTimeout: null, | |
43 | ||
045d9224 | 44 | settingsOpen: false, |
45 | connSettingsOpen: false, | |
bbbf42bb SR |
46 | clipboardOpen: false, |
47 | keyboardVisible: false, | |
9d16e512 | 48 | extraKeysVisible: false, |
529c64e1 | 49 | |
bbbf42bb | 50 | isTouchDevice: false, |
f620259b | 51 | isSafari: false, |
a6357e82 | 52 | rememberedClipSetting: null, |
529c64e1 | 53 | lastKeyboardinput: null, |
54 | defaultKeyboardinputLen: 100, | |
55 | ||
e961641f SM |
56 | ctrlOn: false, |
57 | altOn: false, | |
bbbf42bb SR |
58 | |
59 | // Setup rfb object, load settings from browser storage, then call | |
60 | // UI.init to setup the UI/menus | |
0bd2cbac | 61 | load: function(callback) { |
bbbf42bb SR |
62 | WebUtil.initSettings(UI.start, callback); |
63 | }, | |
64 | ||
65 | // Render default UI and initialize settings menu | |
66 | start: function(callback) { | |
0f6af1e3 | 67 | |
68 | // Setup global variables first | |
bbbf42bb | 69 | UI.isTouchDevice = 'ontouchstart' in document.documentElement; |
0f6af1e3 | 70 | UI.isSafari = (navigator.userAgent.indexOf('Safari') !== -1 && |
71 | navigator.userAgent.indexOf('Chrome') === -1); | |
72 | ||
73 | UI.initSettings(); | |
74 | ||
75 | // Show mouse selector buttons on touch screen devices | |
76 | if (UI.isTouchDevice) { | |
77 | // Show mobile buttons | |
78 | document.getElementById('noVNC_mobile_buttons').style.display = "inline"; | |
79 | UI.setMouseButton(); | |
80 | // Remove the address bar | |
81 | setTimeout(function() { window.scrollTo(0, 1); }, 100); | |
82 | UI.forceSetting('clip', true); | |
83 | } else { | |
84 | UI.initSetting('clip', false); | |
85 | } | |
86 | ||
87 | // Setup and initialize event handlers | |
88 | UI.setupWindowEvents(); | |
89 | UI.setupFullscreen(); | |
90 | UI.addControlbarHandlers(); | |
91 | UI.addTouchSpecificHandlers(); | |
92 | UI.addXvpHandlers(); | |
93 | UI.addConnectionControlHandlers(); | |
94 | UI.addClipboardHandlers(); | |
95 | UI.addSettingsHandlers(); | |
bbbf42bb | 96 | |
0f6af1e3 | 97 | // Show description by default when hosted at for kanaka.github.com |
98 | if (location.host === "kanaka.github.io") { | |
99 | // Open the description dialog | |
100 | document.getElementById('noVNC_description').style.display = "block"; | |
101 | } else { | |
102 | // Show the connect panel on first load unless autoconnecting | |
103 | if (autoconnect === UI.connSettingsOpen) { | |
104 | UI.toggleConnectPanel(); | |
105 | } | |
106 | } | |
107 | ||
108 | UI.setViewClip(); | |
109 | UI.setBarPosition(); | |
110 | ||
111 | UI.updateVisualState(); | |
112 | ||
113 | document.getElementById('noVNC_setting_host').focus(); | |
114 | ||
115 | var autoconnect = WebUtil.getConfigVar('autoconnect', false); | |
116 | if (autoconnect === 'true' || autoconnect == '1') { | |
117 | autoconnect = true; | |
118 | UI.connect(); | |
119 | } else { | |
120 | autoconnect = false; | |
121 | } | |
122 | ||
123 | if (typeof callback === "function") { | |
124 | callback(UI.rfb); | |
125 | } | |
126 | }, | |
127 | ||
128 | initSettings: function() { | |
bbbf42bb SR |
129 | // Stylesheet selection dropdown |
130 | var sheet = WebUtil.selectStylesheet(); | |
131 | var sheets = WebUtil.getStylesheets(); | |
132 | var i; | |
133 | for (i = 0; i < sheets.length; i += 1) { | |
ae510306 | 134 | UI.addOption(document.getElementById('noVNC_setting_stylesheet'),sheets[i].title, sheets[i].title); |
bbbf42bb SR |
135 | } |
136 | ||
137 | // Logging selection dropdown | |
138 | var llevels = ['error', 'warn', 'info', 'debug']; | |
139 | for (i = 0; i < llevels.length; i += 1) { | |
ae510306 | 140 | UI.addOption(document.getElementById('noVNC_setting_logging'),llevels[i], llevels[i]); |
bbbf42bb SR |
141 | } |
142 | ||
143 | // Settings with immediate effects | |
144 | UI.initSetting('logging', 'warn'); | |
145 | WebUtil.init_logging(UI.getSetting('logging')); | |
146 | ||
147 | UI.initSetting('stylesheet', 'default'); | |
148 | WebUtil.selectStylesheet(null); | |
149 | // call twice to get around webkit bug | |
150 | WebUtil.selectStylesheet(UI.getSetting('stylesheet')); | |
151 | ||
152 | // if port == 80 (or 443) then it won't be present and should be | |
153 | // set manually | |
154 | var port = window.location.port; | |
155 | if (!port) { | |
156 | if (window.location.protocol.substring(0,5) == 'https') { | |
157 | port = 443; | |
158 | } | |
159 | else if (window.location.protocol.substring(0,4) == 'http') { | |
160 | port = 80; | |
161 | } | |
162 | } | |
163 | ||
164 | /* Populate the controls if defaults are provided in the URL */ | |
165 | UI.initSetting('host', window.location.hostname); | |
166 | UI.initSetting('port', port); | |
167 | UI.initSetting('password', ''); | |
168 | UI.initSetting('encrypt', (window.location.protocol === "https:")); | |
169 | UI.initSetting('true_color', true); | |
170 | UI.initSetting('cursor', !UI.isTouchDevice); | |
8b46c0de | 171 | UI.initSetting('resize', 'off'); |
bbbf42bb SR |
172 | UI.initSetting('shared', true); |
173 | UI.initSetting('view_only', false); | |
174 | UI.initSetting('path', 'websockify'); | |
175 | UI.initSetting('repeaterID', ''); | |
c55f05f6 | 176 | UI.initSetting('token', ''); |
0f6af1e3 | 177 | }, |
bbbf42bb | 178 | |
0f6af1e3 | 179 | setupWindowEvents: function() { |
180 | window.addEventListener( 'resize', function () { | |
777cb7a0 | 181 | UI.applyResizeMode(); |
f8b399d7 | 182 | UI.setViewClip(); |
31ddaa1c | 183 | UI.updateViewDrag(); |
fdedbafb | 184 | UI.setBarPosition(); |
f8b399d7 | 185 | } ); |
bbbf42bb SR |
186 | }, |
187 | ||
0f6af1e3 | 188 | setupFullscreen: function() { |
189 | // Only show the button if fullscreen is properly supported | |
190 | // * Safari doesn't support alphanumerical input while in fullscreen | |
191 | if (!UI.isSafari && | |
192 | (document.documentElement.requestFullscreen || | |
193 | document.documentElement.mozRequestFullScreen || | |
194 | document.documentElement.webkitRequestFullscreen || | |
195 | document.body.msRequestFullscreen)) { | |
196 | document.getElementById('noVNC_fullscreen_button').style.display = "inline"; | |
197 | UI.addFullscreenHandlers(); | |
d9fc1c7b | 198 | } |
e543525f SR |
199 | }, |
200 | ||
0f6af1e3 | 201 | addControlbarHandlers: function() { |
d7f79071 | 202 | document.getElementById("noVNC_view_drag_button") |
203 | .addEventListener('click', UI.toggleViewDrag); | |
0f6af1e3 | 204 | document.getElementById("noVNC_sendCtrlAltDel_button") |
205 | .addEventListener('click', UI.sendCtrlAltDel); | |
206 | document.getElementById("noVNC_status") | |
207 | .addEventListener('click', UI.popupStatus); | |
208 | document.getElementById("noVNC_popup_status") | |
209 | .addEventListener('click', UI.closePopup); | |
210 | document.getElementById("noVNC_description_button") | |
211 | .addEventListener('click', UI.toggleConnectPanel); | |
212 | }, | |
213 | ||
214 | addTouchSpecificHandlers: function() { | |
d7f79071 | 215 | document.getElementById("noVNC_mouse_button0") |
216 | .addEventListener('click', function () { UI.setMouseButton(1); }); | |
217 | document.getElementById("noVNC_mouse_button1") | |
218 | .addEventListener('click', function () { UI.setMouseButton(2); }); | |
219 | document.getElementById("noVNC_mouse_button2") | |
220 | .addEventListener('click', function () { UI.setMouseButton(4); }); | |
221 | document.getElementById("noVNC_mouse_button4") | |
222 | .addEventListener('click', function () { UI.setMouseButton(0); }); | |
223 | document.getElementById("noVNC_keyboard_button") | |
224 | .addEventListener('click', UI.showKeyboard); | |
225 | ||
226 | document.getElementById("noVNC_keyboardinput") | |
227 | .addEventListener('input', UI.keyInput); | |
228 | document.getElementById("noVNC_keyboardinput") | |
229 | .addEventListener('blur', UI.hideKeyboard); | |
230 | document.getElementById("noVNC_keyboardinput") | |
231 | .addEventListener('submit', function () { return false; }); | |
232 | ||
0f6af1e3 | 233 | window.addEventListener('load', UI.keyboardinputReset); |
234 | ||
d7f79071 | 235 | document.getElementById("noVNC_toggleExtraKeys_button") |
236 | .addEventListener('click', UI.toggleExtraKeys); | |
237 | document.getElementById("noVNC_toggleCtrl_button") | |
238 | .addEventListener('click', UI.toggleCtrl); | |
239 | document.getElementById("noVNC_toggleAlt_button") | |
240 | .addEventListener('click', UI.toggleAlt); | |
241 | document.getElementById("noVNC_sendTab_button") | |
242 | .addEventListener('click', UI.sendTab); | |
243 | document.getElementById("noVNC_sendEsc_button") | |
244 | .addEventListener('click', UI.sendEsc); | |
0f6af1e3 | 245 | }, |
d7f79071 | 246 | |
0f6af1e3 | 247 | addXvpHandlers: function() { |
d7f79071 | 248 | document.getElementById("noVNC_xvpShutdown_button") |
249 | .addEventListener('click', function() { UI.rfb.xvpShutdown(); }); | |
250 | document.getElementById("noVNC_xvpReboot_button") | |
251 | .addEventListener('click', function() { UI.rfb.xvpReboot(); }); | |
252 | document.getElementById("noVNC_xvpReset_button") | |
253 | .addEventListener('click', function() { UI.rfb.xvpReset(); }); | |
d7f79071 | 254 | document.getElementById("noVNC_toggleXvp_button") |
255 | .addEventListener('click', UI.toggleXvpPanel); | |
0f6af1e3 | 256 | }, |
257 | ||
258 | addConnectionControlHandlers: function() { | |
d7f79071 | 259 | document.getElementById("noVNC_connectPanel_button") |
260 | .addEventListener('click', UI.toggleConnectPanel); | |
261 | document.getElementById("noVNC_disconnect_button") | |
262 | .addEventListener('click', UI.disconnect); | |
0f6af1e3 | 263 | document.getElementById("noVNC_connect_button") |
264 | .addEventListener('click', UI.connect); | |
265 | }, | |
d7f79071 | 266 | |
0f6af1e3 | 267 | addClipboardHandlers: function() { |
268 | document.getElementById("noVNC_clipboard_button") | |
269 | .addEventListener('click', UI.toggleClipboardPanel); | |
d7f79071 | 270 | document.getElementById("noVNC_clipboard_text") |
271 | .addEventListener('focus', UI.displayBlur); | |
272 | document.getElementById("noVNC_clipboard_text") | |
273 | .addEventListener('blur', UI.displayFocus); | |
274 | document.getElementById("noVNC_clipboard_text") | |
275 | .addEventListener('change', UI.clipboardSend); | |
276 | document.getElementById("noVNC_clipboard_clear_button") | |
277 | .addEventListener('click', UI.clipboardClear); | |
0f6af1e3 | 278 | }, |
d7f79071 | 279 | |
0f6af1e3 | 280 | addSettingsHandlers: function() { |
281 | document.getElementById("noVNC_settings_button") | |
282 | .addEventListener('click', UI.toggleSettingsPanel); | |
d7f79071 | 283 | document.getElementById("noVNC_settings_apply") |
284 | .addEventListener('click', UI.settingsApply); | |
285 | ||
d7f79071 | 286 | document.getElementById("noVNC_setting_resize") |
287 | .addEventListener('change', UI.enableDisableViewClip); | |
bbbf42bb SR |
288 | }, |
289 | ||
0f6af1e3 | 290 | addFullscreenHandlers: function() { |
291 | document.getElementById("noVNC_fullscreen_button") | |
292 | .addEventListener('click', UI.toggleFullscreen); | |
293 | ||
294 | window.addEventListener('fullscreenchange', UI.updateFullscreenButton); | |
295 | window.addEventListener('mozfullscreenchange', UI.updateFullscreenButton); | |
296 | window.addEventListener('webkitfullscreenchange', UI.updateFullscreenButton); | |
297 | window.addEventListener('msfullscreenchange', UI.updateFullscreenButton); | |
298 | }, | |
299 | ||
300 | initRFB: function() { | |
301 | try { | |
302 | UI.rfb = new RFB({'target': document.getElementById('noVNC_canvas'), | |
303 | 'onUpdateState': UI.updateState, | |
304 | 'onXvpInit': UI.updateXvpButton, | |
305 | 'onClipboard': UI.clipboardReceive, | |
306 | 'onFBUComplete': UI.initialResize, | |
307 | 'onFBResize': UI.updateViewDrag, | |
308 | 'onDesktopName': UI.updateDocumentTitle}); | |
309 | return true; | |
310 | } catch (exc) { | |
311 | UI.updateState(null, 'fatal', null, 'Unable to create RFB client -- ' + exc); | |
312 | return false; | |
313 | } | |
314 | }, | |
315 | ||
95dd6001 | 316 | /* ------^------- |
317 | * /INIT | |
318 | * ============== | |
319 | * VISUAL | |
320 | * ------v------*/ | |
58ded70d | 321 | |
29475d77 | 322 | updateState: function(rfb, state, oldstate, msg) { |
323 | UI.rfb_state = state; | |
324 | var klass; | |
325 | switch (state) { | |
326 | case 'failed': | |
327 | case 'fatal': | |
328 | klass = "noVNC_status_error"; | |
329 | break; | |
330 | case 'normal': | |
331 | klass = "noVNC_status_normal"; | |
332 | break; | |
333 | case 'disconnected': | |
ae510306 SR |
334 | document.getElementById('noVNC_logo').style.display = "block"; |
335 | document.getElementById('noVNC_screen').style.display = "none"; | |
29475d77 | 336 | /* falls through */ |
337 | case 'loaded': | |
338 | klass = "noVNC_status_normal"; | |
339 | break; | |
340 | case 'password': | |
341 | UI.toggleConnectPanel(); | |
fdedbafb | 342 | |
ae510306 SR |
343 | document.getElementById('noVNC_connect_button').value = "Send Password"; |
344 | document.getElementById('noVNC_connect_button').onclick = UI.setPassword; | |
345 | document.getElementById('noVNC_setting_password').focus(); | |
fdedbafb | 346 | |
29475d77 | 347 | klass = "noVNC_status_warn"; |
348 | break; | |
349 | default: | |
350 | klass = "noVNC_status_warn"; | |
351 | break; | |
352 | } | |
fdedbafb | 353 | |
29475d77 | 354 | if (typeof(msg) !== 'undefined') { |
ae510306 SR |
355 | document.getElementById('noVNC_control_bar').setAttribute("class", klass); |
356 | document.getElementById('noVNC_status').innerHTML = msg; | |
fdedbafb | 357 | } |
29475d77 | 358 | |
359 | UI.updateVisualState(); | |
fdedbafb | 360 | }, |
361 | ||
29475d77 | 362 | // Disable/enable controls depending on connection state |
363 | updateVisualState: function() { | |
364 | var connected = UI.rfb && UI.rfb_state === 'normal'; | |
fdedbafb | 365 | |
29475d77 | 366 | //Util.Debug(">> updateVisualState"); |
ae510306 SR |
367 | document.getElementById('noVNC_setting_encrypt').disabled = connected; |
368 | document.getElementById('noVNC_setting_true_color').disabled = connected; | |
29475d77 | 369 | if (Util.browserSupportsCursorURIs()) { |
ae510306 | 370 | document.getElementById('noVNC_setting_cursor').disabled = connected; |
29475d77 | 371 | } else { |
372 | UI.updateSetting('cursor', !UI.isTouchDevice); | |
ae510306 | 373 | document.getElementById('noVNC_setting_cursor').disabled = true; |
29475d77 | 374 | } |
fdedbafb | 375 | |
29475d77 | 376 | UI.enableDisableViewClip(); |
ae510306 SR |
377 | document.getElementById('noVNC_setting_resize').disabled = connected; |
378 | document.getElementById('noVNC_setting_shared').disabled = connected; | |
379 | document.getElementById('noVNC_setting_view_only').disabled = connected; | |
380 | document.getElementById('noVNC_setting_path').disabled = connected; | |
381 | document.getElementById('noVNC_setting_repeaterID').disabled = connected; | |
fdedbafb | 382 | |
29475d77 | 383 | if (connected) { |
384 | UI.setViewClip(); | |
385 | UI.setMouseButton(1); | |
ae510306 SR |
386 | document.getElementById('noVNC_clipboard_button').style.display = "inline"; |
387 | document.getElementById('noVNC_keyboard_button').style.display = "inline"; | |
388 | document.getElementById('noVNC_extra_keys').style.display = ""; | |
389 | document.getElementById('noVNC_sendCtrlAltDel_button').style.display = "inline"; | |
29475d77 | 390 | } else { |
391 | UI.setMouseButton(); | |
ae510306 SR |
392 | document.getElementById('noVNC_clipboard_button').style.display = "none"; |
393 | document.getElementById('noVNC_keyboard_button').style.display = "none"; | |
394 | document.getElementById('noVNC_extra_keys').style.display = "none"; | |
395 | document.getElementById('noVNC_sendCtrlAltDel_button').style.display = "none"; | |
9e45354e | 396 | UI.updateXvpButton(0); |
29475d77 | 397 | } |
fdedbafb | 398 | |
29475d77 | 399 | // State change disables viewport dragging. |
400 | // It is enabled (toggled) by direct click on the button | |
401 | UI.updateViewDrag(false); | |
402 | ||
403 | switch (UI.rfb_state) { | |
404 | case 'fatal': | |
405 | case 'failed': | |
406 | case 'disconnected': | |
ae510306 SR |
407 | document.getElementById('noVNC_connectPanel_button').style.display = ""; |
408 | document.getElementById('noVNC_disconnect_button').style.display = "none"; | |
29475d77 | 409 | UI.connSettingsOpen = false; |
410 | UI.toggleConnectPanel(); | |
411 | break; | |
412 | case 'loaded': | |
ae510306 SR |
413 | document.getElementById('noVNC_connectPanel_button').style.display = ""; |
414 | document.getElementById('noVNC_disconnect_button').style.display = "none"; | |
29475d77 | 415 | break; |
416 | default: | |
ae510306 SR |
417 | document.getElementById('noVNC_connectPanel_button').style.display = "none"; |
418 | document.getElementById('noVNC_disconnect_button').style.display = ""; | |
29475d77 | 419 | break; |
420 | } | |
421 | ||
422 | //Util.Debug("<< updateVisualState"); | |
423 | }, | |
424 | ||
4e471b5b | 425 | popupStatus: function(text) { |
ae510306 | 426 | var psp = document.getElementById('noVNC_popup_status'); |
4e471b5b | 427 | |
428 | clearTimeout(UI.popupStatusTimeout); | |
429 | ||
430 | if (typeof text === 'string') { | |
431 | psp.innerHTML = text; | |
fdedbafb | 432 | } else { |
ae510306 | 433 | psp.innerHTML = document.getElementById('noVNC_status').innerHTML; |
fdedbafb | 434 | } |
4e471b5b | 435 | psp.style.display = "block"; |
436 | psp.style.left = window.innerWidth/2 - | |
437 | parseInt(window.getComputedStyle(psp).width)/2 -30 + "px"; | |
438 | ||
439 | // Show the popup for a maximum of 1.5 seconds | |
67685d07 | 440 | UI.popupStatusTimeout = setTimeout(UI.closePopup, 1500); |
fdedbafb | 441 | }, |
442 | ||
4e471b5b | 443 | closePopup: function() { |
444 | clearTimeout(UI.popupStatusTimeout); | |
ae510306 | 445 | document.getElementById('noVNC_popup_status').style.display = "none"; |
4e471b5b | 446 | }, |
447 | ||
95dd6001 | 448 | /* ------^------- |
449 | * /VISUAL | |
450 | * ============== | |
451 | * SETTINGS | |
452 | * ------v------*/ | |
453 | ||
45c70c9e | 454 | // Initial page load read/initialization of settings |
455 | initSetting: function(name, defVal) { | |
456 | // Check Query string followed by cookie | |
457 | var val = WebUtil.getConfigVar(name); | |
458 | if (val === null) { | |
459 | val = WebUtil.readSetting(name, defVal); | |
bbbf42bb | 460 | } |
45c70c9e | 461 | UI.updateSetting(name, val); |
bbbf42bb SR |
462 | return val; |
463 | }, | |
464 | ||
465 | // Update cookie and form control setting. If value is not set, then | |
466 | // updates from control to current cookie setting. | |
467 | updateSetting: function(name, value) { | |
468 | ||
469 | // Save the cookie for this session | |
470 | if (typeof value !== 'undefined') { | |
471 | WebUtil.writeSetting(name, value); | |
472 | } | |
473 | ||
474 | // Update the settings control | |
475 | value = UI.getSetting(name); | |
476 | ||
ae510306 | 477 | var ctrl = document.getElementById('noVNC_setting_' + name); |
bbbf42bb SR |
478 | if (ctrl.type === 'checkbox') { |
479 | ctrl.checked = value; | |
480 | ||
481 | } else if (typeof ctrl.options !== 'undefined') { | |
482 | for (var i = 0; i < ctrl.options.length; i += 1) { | |
483 | if (ctrl.options[i].value === value) { | |
484 | ctrl.selectedIndex = i; | |
485 | break; | |
486 | } | |
487 | } | |
488 | } else { | |
489 | /*Weird IE9 error leads to 'null' appearring | |
490 | in textboxes instead of ''.*/ | |
491 | if (value === null) { | |
492 | value = ""; | |
493 | } | |
494 | ctrl.value = value; | |
495 | } | |
496 | }, | |
497 | ||
498 | // Save control setting to cookie | |
499 | saveSetting: function(name) { | |
ae510306 | 500 | var val, ctrl = document.getElementById('noVNC_setting_' + name); |
bbbf42bb SR |
501 | if (ctrl.type === 'checkbox') { |
502 | val = ctrl.checked; | |
503 | } else if (typeof ctrl.options !== 'undefined') { | |
504 | val = ctrl.options[ctrl.selectedIndex].value; | |
505 | } else { | |
506 | val = ctrl.value; | |
507 | } | |
508 | WebUtil.writeSetting(name, val); | |
509 | //Util.Debug("Setting saved '" + name + "=" + val + "'"); | |
510 | return val; | |
511 | }, | |
512 | ||
bbbf42bb SR |
513 | // Force a setting to be a certain value |
514 | forceSetting: function(name, val) { | |
515 | UI.updateSetting(name, val); | |
516 | return val; | |
517 | }, | |
518 | ||
45c70c9e | 519 | // Read form control compatible setting from cookie |
520 | getSetting: function(name) { | |
ae510306 | 521 | var ctrl = document.getElementById('noVNC_setting_' + name); |
45c70c9e | 522 | var val = WebUtil.readSetting(name); |
523 | if (typeof val !== 'undefined' && val !== null && ctrl.type === 'checkbox') { | |
524 | if (val.toString().toLowerCase() in {'0':1, 'no':1, 'false':1}) { | |
525 | val = false; | |
4f19e5c6 | 526 | } else { |
45c70c9e | 527 | val = true; |
4f19e5c6 | 528 | } |
bbbf42bb | 529 | } |
bbbf42bb | 530 | return val; |
bbbf42bb SR |
531 | }, |
532 | ||
95dd6001 | 533 | // Save/apply settings when 'Apply' button is pressed |
534 | settingsApply: function() { | |
535 | //Util.Debug(">> settingsApply"); | |
536 | UI.saveSetting('encrypt'); | |
537 | UI.saveSetting('true_color'); | |
538 | if (Util.browserSupportsCursorURIs()) { | |
539 | UI.saveSetting('cursor'); | |
bbbf42bb | 540 | } |
bbbf42bb | 541 | |
95dd6001 | 542 | UI.saveSetting('resize'); |
bbbf42bb | 543 | |
95dd6001 | 544 | if (UI.getSetting('resize') === 'downscale' || UI.getSetting('resize') === 'scale') { |
545 | UI.forceSetting('clip', false); | |
7d1dc09a | 546 | } |
7d1dc09a | 547 | |
95dd6001 | 548 | UI.saveSetting('clip'); |
549 | UI.saveSetting('shared'); | |
550 | UI.saveSetting('view_only'); | |
551 | UI.saveSetting('path'); | |
552 | UI.saveSetting('repeaterID'); | |
553 | UI.saveSetting('stylesheet'); | |
554 | UI.saveSetting('logging'); | |
555 | ||
556 | // Settings with immediate (non-connected related) effect | |
557 | WebUtil.selectStylesheet(UI.getSetting('stylesheet')); | |
558 | WebUtil.init_logging(UI.getSetting('logging')); | |
559 | UI.setViewClip(); | |
560 | UI.updateViewDrag(); | |
561 | //Util.Debug("<< settingsApply"); | |
7d1dc09a | 562 | }, |
563 | ||
45c70c9e | 564 | // Open menu |
565 | openSettingsMenu: function() { | |
bbbf42bb | 566 | // Close the description panel |
ae510306 | 567 | document.getElementById('noVNC_description').style.display = "none"; |
bbbf42bb SR |
568 | // Close clipboard panel if open |
569 | if (UI.clipboardOpen === true) { | |
570 | UI.toggleClipboardPanel(); | |
571 | } | |
45c70c9e | 572 | // Close connection settings if open |
573 | if (UI.connSettingsOpen === true) { | |
574 | UI.toggleConnectPanel(); | |
575 | } | |
bbbf42bb SR |
576 | // Close XVP panel if open |
577 | if (UI.xvpOpen === true) { | |
578 | UI.toggleXvpPanel(); | |
579 | } | |
ae510306 SR |
580 | document.getElementById('noVNC_settings').style.display = "block"; |
581 | document.getElementById('noVNC_settings_button').className = "noVNC_status_button_selected"; | |
45c70c9e | 582 | UI.settingsOpen = true; |
583 | }, | |
bbbf42bb | 584 | |
45c70c9e | 585 | // Close menu (without applying settings) |
586 | closeSettingsMenu: function() { | |
ae510306 SR |
587 | document.getElementById('noVNC_settings').style.display = "none"; |
588 | document.getElementById('noVNC_settings_button').className = "noVNC_status_button"; | |
45c70c9e | 589 | UI.settingsOpen = false; |
bbbf42bb SR |
590 | }, |
591 | ||
592 | // Toggle the settings menu: | |
593 | // On open, settings are refreshed from saved cookies. | |
594 | // On close, settings are applied | |
595 | toggleSettingsPanel: function() { | |
596 | // Close the description panel | |
ae510306 | 597 | document.getElementById('noVNC_description').style.display = "none"; |
bbbf42bb SR |
598 | if (UI.settingsOpen) { |
599 | UI.settingsApply(); | |
600 | UI.closeSettingsMenu(); | |
601 | } else { | |
602 | UI.updateSetting('encrypt'); | |
603 | UI.updateSetting('true_color'); | |
58ded70d | 604 | if (Util.browserSupportsCursorURIs()) { |
bbbf42bb SR |
605 | UI.updateSetting('cursor'); |
606 | } else { | |
607 | UI.updateSetting('cursor', !UI.isTouchDevice); | |
ae510306 | 608 | document.getElementById('noVNC_setting_cursor').disabled = true; |
bbbf42bb SR |
609 | } |
610 | UI.updateSetting('clip'); | |
f8b399d7 | 611 | UI.updateSetting('resize'); |
bbbf42bb SR |
612 | UI.updateSetting('shared'); |
613 | UI.updateSetting('view_only'); | |
614 | UI.updateSetting('path'); | |
615 | UI.updateSetting('repeaterID'); | |
616 | UI.updateSetting('stylesheet'); | |
617 | UI.updateSetting('logging'); | |
618 | ||
619 | UI.openSettingsMenu(); | |
620 | } | |
621 | }, | |
622 | ||
95dd6001 | 623 | /* ------^------- |
624 | * /SETTINGS | |
625 | * ============== | |
626 | * XVP | |
627 | * ------v------*/ | |
628 | ||
bbbf42bb SR |
629 | // Show the XVP panel |
630 | toggleXvpPanel: function() { | |
bbbf42bb | 631 | // Close the description panel |
ae510306 | 632 | document.getElementById('noVNC_description').style.display = "none"; |
bbbf42bb SR |
633 | // Close settings if open |
634 | if (UI.settingsOpen === true) { | |
635 | UI.settingsApply(); | |
636 | UI.closeSettingsMenu(); | |
bbbf42bb SR |
637 | } |
638 | // Close connection settings if open | |
639 | if (UI.connSettingsOpen === true) { | |
640 | UI.toggleConnectPanel(); | |
641 | } | |
bbbf42bb SR |
642 | // Close clipboard panel if open |
643 | if (UI.clipboardOpen === true) { | |
644 | UI.toggleClipboardPanel(); | |
bbbf42bb | 645 | } |
bbbf42bb SR |
646 | // Toggle XVP panel |
647 | if (UI.xvpOpen === true) { | |
ae510306 SR |
648 | document.getElementById('noVNC_xvp').style.display = "none"; |
649 | document.getElementById('noVNC_toggleXvp_button').className = "noVNC_status_button"; | |
bbbf42bb SR |
650 | UI.xvpOpen = false; |
651 | } else { | |
ae510306 SR |
652 | document.getElementById('noVNC_xvp').style.display = "block"; |
653 | document.getElementById('noVNC_toggleXvp_button').className = "noVNC_status_button_selected"; | |
bbbf42bb | 654 | UI.xvpOpen = true; |
bbbf42bb | 655 | } |
bbbf42bb SR |
656 | }, |
657 | ||
658 | // Disable/enable XVP button | |
9e45354e | 659 | updateXvpButton: function(ver) { |
bbbf42bb | 660 | if (ver >= 1) { |
ae510306 | 661 | document.getElementById('noVNC_toggleXvp_button').style.display = 'inline'; |
bbbf42bb | 662 | } else { |
ae510306 | 663 | document.getElementById('noVNC_toggleXvp_button').style.display = 'none'; |
bbbf42bb SR |
664 | // Close XVP panel if open |
665 | if (UI.xvpOpen === true) { | |
666 | UI.toggleXvpPanel(); | |
667 | } | |
668 | } | |
669 | }, | |
670 | ||
95dd6001 | 671 | /* ------^------- |
672 | * /XVP | |
673 | * ============== | |
674 | * CLIPBOARD | |
675 | * ------v------*/ | |
f8b399d7 | 676 | |
bbbf42bb SR |
677 | // Show the clipboard panel |
678 | toggleClipboardPanel: function() { | |
679 | // Close the description panel | |
ae510306 | 680 | document.getElementById('noVNC_description').style.display = "none"; |
bbbf42bb SR |
681 | // Close settings if open |
682 | if (UI.settingsOpen === true) { | |
683 | UI.settingsApply(); | |
684 | UI.closeSettingsMenu(); | |
685 | } | |
686 | // Close connection settings if open | |
687 | if (UI.connSettingsOpen === true) { | |
688 | UI.toggleConnectPanel(); | |
689 | } | |
bbbf42bb SR |
690 | // Close XVP panel if open |
691 | if (UI.xvpOpen === true) { | |
692 | UI.toggleXvpPanel(); | |
693 | } | |
694 | // Toggle Clipboard Panel | |
695 | if (UI.clipboardOpen === true) { | |
ae510306 SR |
696 | document.getElementById('noVNC_clipboard').style.display = "none"; |
697 | document.getElementById('noVNC_clipboard_button').className = "noVNC_status_button"; | |
bbbf42bb SR |
698 | UI.clipboardOpen = false; |
699 | } else { | |
ae510306 SR |
700 | document.getElementById('noVNC_clipboard').style.display = "block"; |
701 | document.getElementById('noVNC_clipboard_button').className = "noVNC_status_button_selected"; | |
bbbf42bb SR |
702 | UI.clipboardOpen = true; |
703 | } | |
bbbf42bb SR |
704 | }, |
705 | ||
4d26f58e | 706 | clipboardReceive: function(rfb, text) { |
707 | Util.Debug(">> UI.clipboardReceive: " + text.substr(0,40) + "..."); | |
ae510306 | 708 | document.getElementById('noVNC_clipboard_text').value = text; |
4d26f58e | 709 | Util.Debug("<< UI.clipboardReceive"); |
95dd6001 | 710 | }, |
711 | ||
4d26f58e | 712 | clipboardClear: function() { |
ae510306 | 713 | document.getElementById('noVNC_clipboard_text').value = ""; |
95dd6001 | 714 | UI.rfb.clipboardPasteFrom(""); |
715 | }, | |
716 | ||
4d26f58e | 717 | clipboardSend: function() { |
ae510306 | 718 | var text = document.getElementById('noVNC_clipboard_text').value; |
4d26f58e | 719 | Util.Debug(">> UI.clipboardSend: " + text.substr(0,40) + "..."); |
95dd6001 | 720 | UI.rfb.clipboardPasteFrom(text); |
4d26f58e | 721 | Util.Debug("<< UI.clipboardSend"); |
95dd6001 | 722 | }, |
723 | ||
724 | /* ------^------- | |
725 | * /CLIPBOARD | |
726 | * ============== | |
727 | * CONNECTION | |
728 | * ------v------*/ | |
729 | ||
ab81ddf5 | 730 | // Show the connection settings panel/menu |
731 | toggleConnectPanel: function() { | |
732 | // Close the description panel | |
ae510306 | 733 | document.getElementById('noVNC_description').style.display = "none"; |
ab81ddf5 | 734 | // Close connection settings if open |
735 | if (UI.settingsOpen === true) { | |
736 | UI.settingsApply(); | |
737 | UI.closeSettingsMenu(); | |
ae510306 | 738 | document.getElementById('noVNC_connectPanel_button').className = "noVNC_status_button"; |
ab81ddf5 | 739 | } |
740 | // Close clipboard panel if open | |
741 | if (UI.clipboardOpen === true) { | |
742 | UI.toggleClipboardPanel(); | |
743 | } | |
744 | // Close XVP panel if open | |
745 | if (UI.xvpOpen === true) { | |
746 | UI.toggleXvpPanel(); | |
747 | } | |
748 | ||
749 | // Toggle Connection Panel | |
750 | if (UI.connSettingsOpen === true) { | |
ae510306 SR |
751 | document.getElementById('noVNC_controls').style.display = "none"; |
752 | document.getElementById('noVNC_connectPanel_button').className = "noVNC_status_button"; | |
ab81ddf5 | 753 | UI.connSettingsOpen = false; |
754 | UI.saveSetting('host'); | |
755 | UI.saveSetting('port'); | |
756 | UI.saveSetting('token'); | |
757 | //UI.saveSetting('password'); | |
758 | } else { | |
ae510306 SR |
759 | document.getElementById('noVNC_controls').style.display = "block"; |
760 | document.getElementById('noVNC_connectPanel_button').className = "noVNC_status_button_selected"; | |
ab81ddf5 | 761 | UI.connSettingsOpen = true; |
ae510306 | 762 | document.getElementById('noVNC_setting_host').focus(); |
ab81ddf5 | 763 | } |
bbbf42bb SR |
764 | }, |
765 | ||
766 | connect: function() { | |
767 | UI.closeSettingsMenu(); | |
c506a481 | 768 | UI.toggleConnectPanel(); |
f00b1e37 | 769 | |
ae510306 SR |
770 | var host = document.getElementById('noVNC_setting_host').value; |
771 | var port = document.getElementById('noVNC_setting_port').value; | |
772 | var password = document.getElementById('noVNC_setting_password').value; | |
773 | var token = document.getElementById('noVNC_setting_token').value; | |
774 | var path = document.getElementById('noVNC_setting_path').value; | |
c55f05f6 MXPN |
775 | |
776 | //if token is in path then ignore the new token variable | |
777 | if (token) { | |
778 | path = WebUtil.injectParamIfMissing(path, "token", token); | |
779 | } | |
780 | ||
bbbf42bb SR |
781 | if ((!host) || (!port)) { |
782 | throw new Error("Must set host and port"); | |
783 | } | |
53fc7392 | 784 | |
d9fc1c7b | 785 | if (!UI.initRFB()) return; |
58ded70d | 786 | |
bbbf42bb SR |
787 | UI.rfb.set_encrypt(UI.getSetting('encrypt')); |
788 | UI.rfb.set_true_color(UI.getSetting('true_color')); | |
789 | UI.rfb.set_local_cursor(UI.getSetting('cursor')); | |
790 | UI.rfb.set_shared(UI.getSetting('shared')); | |
791 | UI.rfb.set_view_only(UI.getSetting('view_only')); | |
792 | UI.rfb.set_repeaterID(UI.getSetting('repeaterID')); | |
53fc7392 | 793 | |
bbbf42bb | 794 | UI.rfb.connect(host, port, password, path); |
8e0f0088 | 795 | |
bbbf42bb | 796 | //Close dialog. |
67685d07 | 797 | setTimeout(UI.setBarPosition, 100); |
ae510306 SR |
798 | document.getElementById('noVNC_logo').style.display = "none"; |
799 | document.getElementById('noVNC_screen').style.display = "inline"; | |
bbbf42bb | 800 | }, |
5299db1a | 801 | |
bbbf42bb SR |
802 | disconnect: function() { |
803 | UI.closeSettingsMenu(); | |
804 | UI.rfb.disconnect(); | |
8e0f0088 | 805 | |
f8b399d7 | 806 | // Restore the callback used for initial resize |
ab81ddf5 | 807 | UI.rfb.set_onFBUComplete(UI.initialResize); |
f8b399d7 | 808 | |
ae510306 SR |
809 | document.getElementById('noVNC_logo').style.display = "block"; |
810 | document.getElementById('noVNC_screen').style.display = "none"; | |
fdedbafb | 811 | |
e543525f | 812 | // Don't display the connection settings until we're actually disconnected |
bbbf42bb SR |
813 | }, |
814 | ||
95dd6001 | 815 | setPassword: function() { |
ae510306 | 816 | UI.rfb.sendPassword(document.getElementById('noVNC_setting_password').value); |
95dd6001 | 817 | //Reset connect button. |
ae510306 SR |
818 | document.getElementById('noVNC_connect_button').value = "Connect"; |
819 | document.getElementById('noVNC_connect_button').onclick = UI.connect; | |
95dd6001 | 820 | //Hide connection panel. |
821 | UI.toggleConnectPanel(); | |
822 | return false; | |
823 | }, | |
58ded70d | 824 | |
95dd6001 | 825 | /* ------^------- |
826 | * /CONNECTION | |
827 | * ============== | |
828 | * FULLSCREEN | |
829 | * ------v------*/ | |
830 | ||
7d1dc09a | 831 | toggleFullscreen: function() { |
832 | if (document.fullscreenElement || // alternative standard method | |
833 | document.mozFullScreenElement || // currently working methods | |
834 | document.webkitFullscreenElement || | |
a6357e82 | 835 | document.msFullscreenElement) { |
7d1dc09a | 836 | if (document.exitFullscreen) { |
837 | document.exitFullscreen(); | |
838 | } else if (document.mozCancelFullScreen) { | |
839 | document.mozCancelFullScreen(); | |
840 | } else if (document.webkitExitFullscreen) { | |
841 | document.webkitExitFullscreen(); | |
842 | } else if (document.msExitFullscreen) { | |
843 | document.msExitFullscreen(); | |
844 | } | |
845 | } else { | |
846 | if (document.documentElement.requestFullscreen) { | |
847 | document.documentElement.requestFullscreen(); | |
848 | } else if (document.documentElement.mozRequestFullScreen) { | |
849 | document.documentElement.mozRequestFullScreen(); | |
850 | } else if (document.documentElement.webkitRequestFullscreen) { | |
851 | document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT); | |
852 | } else if (document.body.msRequestFullscreen) { | |
853 | document.body.msRequestFullscreen(); | |
854 | } | |
855 | } | |
a6357e82 | 856 | UI.enableDisableViewClip(); |
7d1dc09a | 857 | UI.updateFullscreenButton(); |
bbbf42bb SR |
858 | }, |
859 | ||
7d1dc09a | 860 | updateFullscreenButton: function() { |
861 | if (document.fullscreenElement || // alternative standard method | |
862 | document.mozFullScreenElement || // currently working methods | |
863 | document.webkitFullscreenElement || | |
864 | document.msFullscreenElement ) { | |
ae510306 | 865 | document.getElementById('noVNC_fullscreen_button').className = "noVNC_status_button_selected"; |
7d1dc09a | 866 | } else { |
ae510306 | 867 | document.getElementById('noVNC_fullscreen_button').className = "noVNC_status_button"; |
7d1dc09a | 868 | } |
869 | }, | |
870 | ||
95dd6001 | 871 | /* ------^------- |
872 | * /FULLSCREEN | |
873 | * ============== | |
874 | * RESIZE | |
875 | * ------v------*/ | |
777cb7a0 | 876 | |
877 | // Apply remote resizing or local scaling | |
0bd2cbac | 878 | applyResizeMode: function() { |
58ded70d SR |
879 | if (!UI.rfb) return; |
880 | ||
777cb7a0 | 881 | var screen = UI.screenSize(); |
882 | ||
883 | if (screen && UI.rfb_state === 'normal' && UI.rfb.get_display()) { | |
884 | ||
885 | var display = UI.rfb.get_display(); | |
886 | var resizeMode = UI.getSetting('resize'); | |
887 | ||
888 | if (resizeMode === 'remote') { | |
889 | ||
890 | // Request changing the resolution of the remote display to | |
891 | // the size of the local browser viewport. | |
892 | ||
893 | // In order to not send multiple requests before the browser-resize | |
894 | // is finished we wait 0.5 seconds before sending the request. | |
895 | clearTimeout(UI.resizeTimeout); | |
896 | UI.resizeTimeout = setTimeout(function(){ | |
897 | ||
898 | // Limit the viewport to the size of the browser window | |
899 | display.set_maxWidth(screen.w); | |
900 | display.set_maxHeight(screen.h); | |
901 | ||
5fd3f88e | 902 | Util.Debug('Attempting requestDesktopSize(' + |
777cb7a0 | 903 | screen.w + ', ' + screen.h + ')'); |
904 | ||
905 | // Request a remote size covering the viewport | |
5fd3f88e | 906 | UI.rfb.requestDesktopSize(screen.w, screen.h); |
777cb7a0 | 907 | }, 500); |
908 | ||
909 | } else if (resizeMode === 'scale' || resizeMode === 'downscale') { | |
910 | var downscaleOnly = resizeMode === 'downscale'; | |
911 | var scaleRatio = display.autoscale(screen.w, screen.h, downscaleOnly); | |
912 | UI.rfb.get_mouse().set_scale(scaleRatio); | |
913 | Util.Debug('Scaling by ' + UI.rfb.get_mouse().get_scale()); | |
914 | } | |
915 | } | |
bbbf42bb SR |
916 | }, |
917 | ||
777cb7a0 | 918 | // The screen is always the same size as the available viewport |
919 | // in the browser window minus the height of the control bar | |
0bd2cbac | 920 | screenSize: function() { |
ae510306 | 921 | var screen = document.getElementById('noVNC_screen'); |
777cb7a0 | 922 | |
923 | // Hide the scrollbars until the size is calculated | |
924 | screen.style.overflow = "hidden"; | |
925 | ||
926 | var pos = Util.getPosition(screen); | |
927 | var w = pos.width; | |
928 | var h = pos.height; | |
929 | ||
930 | screen.style.overflow = "visible"; | |
931 | ||
932 | if (isNaN(w) || isNaN(h)) { | |
933 | return false; | |
934 | } else { | |
935 | return {w: w, h: h}; | |
936 | } | |
bbbf42bb SR |
937 | }, |
938 | ||
777cb7a0 | 939 | // Normally we only apply the current resize mode after a window resize |
940 | // event. This means that when a new connection is opened, there is no | |
941 | // resize mode active. | |
942 | // We have to wait until the first FBU because this is where the client | |
943 | // will find the supported encodings of the server. Some calls later in | |
944 | // the chain is dependant on knowing the server-capabilities. | |
945 | initialResize: function(rfb, fbu) { | |
946 | UI.applyResizeMode(); | |
947 | // After doing this once, we remove the callback. | |
948 | UI.rfb.set_onFBUComplete(function() { }); | |
bbbf42bb SR |
949 | }, |
950 | ||
95dd6001 | 951 | /* ------^------- |
952 | * /RESIZE | |
953 | * ============== | |
954 | * CLIPPING | |
955 | * ------v------*/ | |
956 | ||
30bfff81 | 957 | // Set and configure viewport clipping |
bbbf42bb SR |
958 | setViewClip: function(clip) { |
959 | var display; | |
960 | if (UI.rfb) { | |
961 | display = UI.rfb.get_display(); | |
962 | } else { | |
a6357e82 | 963 | UI.forceSetting('clip', clip); |
bbbf42bb SR |
964 | return; |
965 | } | |
8e0f0088 | 966 | |
bbbf42bb SR |
967 | var cur_clip = display.get_viewport(); |
968 | ||
969 | if (typeof(clip) !== 'boolean') { | |
970 | // Use current setting | |
971 | clip = UI.getSetting('clip'); | |
972 | } | |
8e0f0088 | 973 | |
bbbf42bb SR |
974 | if (clip && !cur_clip) { |
975 | // Turn clipping on | |
976 | UI.updateSetting('clip', true); | |
977 | } else if (!clip && cur_clip) { | |
978 | // Turn clipping off | |
979 | UI.updateSetting('clip', false); | |
980 | display.set_viewport(false); | |
31ddaa1c | 981 | // Disable max dimensions |
fdedbafb | 982 | display.set_maxWidth(0); |
983 | display.set_maxHeight(0); | |
f8b399d7 | 984 | display.viewportChangeSize(); |
bbbf42bb SR |
985 | } |
986 | if (UI.getSetting('clip')) { | |
987 | // If clipping, update clipping settings | |
bbbf42bb | 988 | display.set_viewport(true); |
fdedbafb | 989 | |
553864e8 | 990 | var size = UI.screenSize(); |
fdedbafb | 991 | if (size) { |
992 | display.set_maxWidth(size.w); | |
993 | display.set_maxHeight(size.h); | |
994 | ||
995 | // Hide potential scrollbars that can skew the position | |
ae510306 | 996 | document.getElementById('noVNC_screen').style.overflow = "hidden"; |
fdedbafb | 997 | |
998 | // The x position marks the left margin of the canvas, | |
999 | // remove the margin from both sides to keep it centered | |
ae510306 | 1000 | var new_w = size.w - (2 * Util.getPosition(document.getElementById('noVNC_canvas')).x); |
fdedbafb | 1001 | |
ae510306 | 1002 | document.getElementById('noVNC_screen').style.overflow = "visible"; |
fdedbafb | 1003 | |
1004 | display.viewportChangeSize(new_w, size.h); | |
1005 | } | |
bbbf42bb SR |
1006 | } |
1007 | }, | |
1008 | ||
30bfff81 | 1009 | // Handle special cases where clipping is forced on/off or locked |
0bd2cbac | 1010 | enableDisableViewClip: function() { |
ae510306 | 1011 | var resizeSetting = document.getElementById('noVNC_setting_resize'); |
a6357e82 | 1012 | var connected = UI.rfb && UI.rfb_state === 'normal'; |
1013 | ||
f620259b | 1014 | if (UI.isSafari) { |
1015 | // Safari auto-hides the scrollbars which makes them | |
1016 | // impossible to use in most cases | |
1017 | UI.setViewClip(true); | |
ae510306 | 1018 | document.getElementById('noVNC_setting_clip').disabled = true; |
682fd02b | 1019 | } else if (resizeSetting.value === 'downscale' || resizeSetting.value === 'scale') { |
a6357e82 | 1020 | // Disable clipping if we are scaling |
1021 | UI.setViewClip(false); | |
ae510306 | 1022 | document.getElementById('noVNC_setting_clip').disabled = true; |
a6357e82 | 1023 | } else if (document.msFullscreenElement) { |
1024 | // The browser is IE and we are in fullscreen mode. | |
1025 | // - We need to force clipping while in fullscreen since | |
1026 | // scrollbars doesn't work. | |
4e471b5b | 1027 | UI.popupStatus("Forcing clipping mode since scrollbars aren't supported by IE in fullscreen"); |
a6357e82 | 1028 | UI.rememberedClipSetting = UI.getSetting('clip'); |
1029 | UI.setViewClip(true); | |
ae510306 | 1030 | document.getElementById('noVNC_setting_clip').disabled = true; |
a6357e82 | 1031 | } else if (document.body.msRequestFullscreen && UI.rememberedClip !== null) { |
1032 | // Restore view clip to what it was before fullscreen on IE | |
1033 | UI.setViewClip(UI.rememberedClipSetting); | |
ae510306 | 1034 | document.getElementById('noVNC_setting_clip').disabled = connected || UI.isTouchDevice; |
30bfff81 | 1035 | } else { |
ae510306 | 1036 | document.getElementById('noVNC_setting_clip').disabled = connected || UI.isTouchDevice; |
30bfff81 | 1037 | if (UI.isTouchDevice) { |
a6357e82 | 1038 | UI.setViewClip(true); |
30bfff81 | 1039 | } |
1040 | } | |
1041 | }, | |
1042 | ||
95dd6001 | 1043 | /* ------^------- |
1044 | * /CLIPPING | |
1045 | * ============== | |
1046 | * VIEWDRAG | |
1047 | * ------v------*/ | |
1048 | ||
e00698fe | 1049 | // Update the viewport drag state |
31ddaa1c | 1050 | updateViewDrag: function(drag) { |
58ded70d | 1051 | if (!UI.rfb) return; |
bbbf42bb | 1052 | |
ae510306 | 1053 | var viewDragButton = document.getElementById('noVNC_view_drag_button'); |
bbbf42bb | 1054 | |
e00698fe | 1055 | // Check if viewport drag is possible. It is only possible |
1056 | // if the remote display is clipping the client display. | |
f8b399d7 | 1057 | if (UI.rfb_state === 'normal' && |
1058 | UI.rfb.get_display().get_viewport() && | |
fdedbafb | 1059 | UI.rfb.get_display().clippingDisplay()) { |
31ddaa1c | 1060 | |
e00698fe | 1061 | viewDragButton.style.display = "inline"; |
1062 | viewDragButton.disabled = false; | |
29a0e6a8 | 1063 | |
31ddaa1c | 1064 | } else { |
e00698fe | 1065 | // The size of the remote display is the same or smaller |
1066 | // than the client display. Make sure viewport drag isn't | |
1067 | // active when it can't be used. | |
31ddaa1c | 1068 | if (UI.rfb.get_viewportDrag) { |
e00698fe | 1069 | viewDragButton.className = "noVNC_status_button"; |
31ddaa1c | 1070 | UI.rfb.set_viewportDrag(false); |
1071 | } | |
1072 | ||
e00698fe | 1073 | // The button is disabled instead of hidden on touch devices |
31ddaa1c | 1074 | if (UI.rfb_state === 'normal' && UI.isTouchDevice) { |
e00698fe | 1075 | viewDragButton.style.display = "inline"; |
1076 | viewDragButton.disabled = true; | |
31ddaa1c | 1077 | } else { |
e00698fe | 1078 | viewDragButton.style.display = "none"; |
31ddaa1c | 1079 | } |
1080 | return; | |
1081 | } | |
1082 | ||
1083 | if (typeof(drag) !== "undefined" && | |
1084 | typeof(drag) !== "object") { | |
1085 | if (drag) { | |
e00698fe | 1086 | viewDragButton.className = "noVNC_status_button_selected"; |
31ddaa1c | 1087 | UI.rfb.set_viewportDrag(true); |
1088 | } else { | |
e00698fe | 1089 | viewDragButton.className = "noVNC_status_button"; |
31ddaa1c | 1090 | UI.rfb.set_viewportDrag(false); |
1091 | } | |
1092 | } | |
1093 | }, | |
29a0e6a8 | 1094 | |
31ddaa1c | 1095 | toggleViewDrag: function() { |
1096 | if (!UI.rfb) return; | |
1097 | ||
ae510306 | 1098 | var viewDragButton = document.getElementById('noVNC_view_drag_button'); |
31ddaa1c | 1099 | if (UI.rfb.get_viewportDrag()) { |
e00698fe | 1100 | viewDragButton.className = "noVNC_status_button"; |
31ddaa1c | 1101 | UI.rfb.set_viewportDrag(false); |
f8b399d7 | 1102 | } else { |
e00698fe | 1103 | viewDragButton.className = "noVNC_status_button_selected"; |
31ddaa1c | 1104 | UI.rfb.set_viewportDrag(true); |
f8b399d7 | 1105 | } |
1106 | }, | |
1107 | ||
95dd6001 | 1108 | /* ------^------- |
1109 | * /VIEWDRAG | |
1110 | * ============== | |
1111 | * KEYBOARD | |
1112 | * ------v------*/ | |
fdf21468 | 1113 | |
bbbf42bb SR |
1114 | // On touch devices, show the OS keyboard |
1115 | showKeyboard: function() { | |
ae510306 SR |
1116 | var kbi = document.getElementById('noVNC_keyboardinput'); |
1117 | var skb = document.getElementById('noVNC_keyboard_button'); | |
bbbf42bb SR |
1118 | var l = kbi.value.length; |
1119 | if(UI.keyboardVisible === false) { | |
1120 | kbi.focus(); | |
1121 | try { kbi.setSelectionRange(l, l); } // Move the caret to the end | |
1122 | catch (err) {} // setSelectionRange is undefined in Google Chrome | |
1123 | UI.keyboardVisible = true; | |
1124 | skb.className = "noVNC_status_button_selected"; | |
1125 | } else if(UI.keyboardVisible === true) { | |
1126 | kbi.blur(); | |
1127 | skb.className = "noVNC_status_button"; | |
1128 | UI.keyboardVisible = false; | |
1129 | } | |
1130 | }, | |
1131 | ||
fdf21468 | 1132 | hideKeyboard: function() { |
ae510306 | 1133 | document.getElementById('noVNC_keyboard_button').className = "noVNC_status_button"; |
fdf21468 | 1134 | //Weird bug in iOS if you change keyboardVisible |
1135 | //here it does not actually occur so next time | |
1136 | //you click keyboard icon it doesnt work. | |
1137 | UI.hideKeyboardTimeout = setTimeout(function() { | |
1138 | UI.keyboardVisible = false; | |
1139 | },100); | |
1140 | }, | |
1141 | ||
bbbf42bb SR |
1142 | keepKeyboard: function() { |
1143 | clearTimeout(UI.hideKeyboardTimeout); | |
1144 | if(UI.keyboardVisible === true) { | |
ae510306 SR |
1145 | document.getElementById('noVNC_keyboardinput').focus(); |
1146 | document.getElementById('noVNC_keyboard_button').className = "noVNC_status_button_selected"; | |
bbbf42bb | 1147 | } else if(UI.keyboardVisible === false) { |
ae510306 SR |
1148 | document.getElementById('noVNC_keyboardinput').blur(); |
1149 | document.getElementById('noVNC_keyboard_button').className = "noVNC_status_button"; | |
bbbf42bb SR |
1150 | } |
1151 | }, | |
1152 | ||
1153 | keyboardinputReset: function() { | |
ae510306 | 1154 | var kbi = document.getElementById('noVNC_keyboardinput'); |
bbbf42bb SR |
1155 | kbi.value = new Array(UI.defaultKeyboardinputLen).join("_"); |
1156 | UI.lastKeyboardinput = kbi.value; | |
1157 | }, | |
1158 | ||
1159 | // When normal keyboard events are left uncought, use the input events from | |
1160 | // the keyboardinput element instead and generate the corresponding key events. | |
1161 | // This code is required since some browsers on Android are inconsistent in | |
1162 | // sending keyCodes in the normal keyboard events when using on screen keyboards. | |
1163 | keyInput: function(event) { | |
3b8ec46f | 1164 | |
58ded70d | 1165 | if (!UI.rfb) return; |
3b8ec46f | 1166 | |
bbbf42bb | 1167 | var newValue = event.target.value; |
1138bdd4 | 1168 | |
1169 | if (!UI.lastKeyboardinput) { | |
1170 | UI.keyboardinputReset(); | |
1171 | } | |
cb3e4deb | 1172 | var oldValue = UI.lastKeyboardinput; |
bbbf42bb SR |
1173 | |
1174 | var newLen; | |
1175 | try { | |
1176 | // Try to check caret position since whitespace at the end | |
1177 | // will not be considered by value.length in some browsers | |
1178 | newLen = Math.max(event.target.selectionStart, newValue.length); | |
1179 | } catch (err) { | |
1180 | // selectionStart is undefined in Google Chrome | |
1181 | newLen = newValue.length; | |
1182 | } | |
1183 | var oldLen = oldValue.length; | |
1184 | ||
1185 | var backspaces; | |
1186 | var inputs = newLen - oldLen; | |
1187 | if (inputs < 0) { | |
1188 | backspaces = -inputs; | |
1189 | } else { | |
1190 | backspaces = 0; | |
1191 | } | |
8e0f0088 | 1192 | |
bbbf42bb SR |
1193 | // Compare the old string with the new to account for |
1194 | // text-corrections or other input that modify existing text | |
1195 | var i; | |
1196 | for (i = 0; i < Math.min(oldLen, newLen); i++) { | |
1197 | if (newValue.charAt(i) != oldValue.charAt(i)) { | |
1198 | inputs = newLen - i; | |
1199 | backspaces = oldLen - i; | |
1200 | break; | |
1201 | } | |
1202 | } | |
1203 | ||
1204 | // Send the key events | |
1205 | for (i = 0; i < backspaces; i++) { | |
ae510306 | 1206 | UI.rfb.sendKey(KeyTable.XK_BackSpace); |
bbbf42bb SR |
1207 | } |
1208 | for (i = newLen - inputs; i < newLen; i++) { | |
1209 | UI.rfb.sendKey(newValue.charCodeAt(i)); | |
1210 | } | |
1211 | ||
1212 | // Control the text content length in the keyboardinput element | |
1213 | if (newLen > 2 * UI.defaultKeyboardinputLen) { | |
1214 | UI.keyboardinputReset(); | |
1215 | } else if (newLen < 1) { | |
1216 | // There always have to be some text in the keyboardinput | |
1217 | // element with which backspace can interact. | |
1218 | UI.keyboardinputReset(); | |
1219 | // This sometimes causes the keyboard to disappear for a second | |
1220 | // but it is required for the android keyboard to recognize that | |
1221 | // text has been added to the field | |
1222 | event.target.blur(); | |
1223 | // This has to be ran outside of the input handler in order to work | |
67685d07 | 1224 | setTimeout(UI.keepKeyboard, 0); |
bbbf42bb SR |
1225 | } else { |
1226 | UI.lastKeyboardinput = newValue; | |
1227 | } | |
1228 | }, | |
1229 | ||
cd611a53 | 1230 | toggleExtraKeys: function() { |
bbbf42bb SR |
1231 | UI.keepKeyboard(); |
1232 | if(UI.extraKeysVisible === false) { | |
ae510306 SR |
1233 | document.getElementById('noVNC_toggleCtrl_button').style.display = "inline"; |
1234 | document.getElementById('noVNC_toggleAlt_button').style.display = "inline"; | |
1235 | document.getElementById('noVNC_sendTab_button').style.display = "inline"; | |
1236 | document.getElementById('noVNC_sendEsc_button').style.display = "inline"; | |
1237 | document.getElementById('noVNC_toggleExtraKeys_button').className = "noVNC_status_button_selected"; | |
bbbf42bb SR |
1238 | UI.extraKeysVisible = true; |
1239 | } else if(UI.extraKeysVisible === true) { | |
ae510306 SR |
1240 | document.getElementById('noVNC_toggleCtrl_button').style.display = ""; |
1241 | document.getElementById('noVNC_toggleAlt_button').style.display = ""; | |
1242 | document.getElementById('noVNC_sendTab_button').style.display = ""; | |
1243 | document.getElementById('noVNC_sendEsc_button').style.display = ""; | |
1244 | document.getElementById('noVNC_toggleExtraKeys_button').className = "noVNC_status_button"; | |
bbbf42bb SR |
1245 | UI.extraKeysVisible = false; |
1246 | } | |
1247 | }, | |
1248 | ||
fdf21468 | 1249 | sendEsc: function() { |
1250 | UI.keepKeyboard(); | |
ae510306 | 1251 | UI.rfb.sendKey(KeyTable.XK_Escape); |
fdf21468 | 1252 | }, |
1253 | ||
1254 | sendTab: function() { | |
1255 | UI.keepKeyboard(); | |
ae510306 | 1256 | UI.rfb.sendKey(KeyTable.XK_Tab); |
fdf21468 | 1257 | }, |
1258 | ||
bbbf42bb SR |
1259 | toggleCtrl: function() { |
1260 | UI.keepKeyboard(); | |
1261 | if(UI.ctrlOn === false) { | |
ae510306 SR |
1262 | UI.rfb.sendKey(KeyTable.XK_Control_L, true); |
1263 | document.getElementById('noVNC_toggleCtrl_button').className = "noVNC_status_button_selected"; | |
bbbf42bb SR |
1264 | UI.ctrlOn = true; |
1265 | } else if(UI.ctrlOn === true) { | |
ae510306 SR |
1266 | UI.rfb.sendKey(KeyTable.XK_Control_L, false); |
1267 | document.getElementById('noVNC_toggleCtrl_button').className = "noVNC_status_button"; | |
bbbf42bb SR |
1268 | UI.ctrlOn = false; |
1269 | } | |
1270 | }, | |
1271 | ||
1272 | toggleAlt: function() { | |
1273 | UI.keepKeyboard(); | |
1274 | if(UI.altOn === false) { | |
ae510306 SR |
1275 | UI.rfb.sendKey(KeyTable.XK_Alt_L, true); |
1276 | document.getElementById('noVNC_toggleAlt_button').className = "noVNC_status_button_selected"; | |
bbbf42bb SR |
1277 | UI.altOn = true; |
1278 | } else if(UI.altOn === true) { | |
ae510306 SR |
1279 | UI.rfb.sendKey(KeyTable.XK_Alt_L, false); |
1280 | document.getElementById('noVNC_toggleAlt_button').className = "noVNC_status_button"; | |
bbbf42bb SR |
1281 | UI.altOn = false; |
1282 | } | |
1283 | }, | |
1284 | ||
fdf21468 | 1285 | sendCtrlAltDel: function() { |
1286 | UI.rfb.sendCtrlAltDel(); | |
bbbf42bb SR |
1287 | }, |
1288 | ||
95dd6001 | 1289 | /* ------^------- |
1290 | * /KEYBOARD | |
1291 | * ============== | |
1292 | * MISC | |
1293 | * ------v------*/ | |
1294 | ||
1295 | setMouseButton: function(num) { | |
1296 | if (typeof num === 'undefined') { | |
1297 | // Disable mouse buttons | |
1298 | num = -1; | |
1299 | } | |
1300 | if (UI.rfb) { | |
1301 | UI.rfb.get_mouse().set_touchButton(num); | |
1302 | } | |
1303 | ||
1304 | var blist = [0, 1,2,4]; | |
1305 | for (var b = 0; b < blist.length; b++) { | |
ae510306 | 1306 | var button = document.getElementById('noVNC_mouse_button' + blist[b]); |
95dd6001 | 1307 | if (blist[b] === num) { |
1308 | button.style.display = ""; | |
1309 | } else { | |
1310 | button.style.display = "none"; | |
1311 | } | |
1312 | } | |
1313 | }, | |
1314 | ||
1315 | displayBlur: function() { | |
1316 | if (!UI.rfb) return; | |
1317 | ||
1318 | UI.rfb.get_keyboard().set_focused(false); | |
1319 | UI.rfb.get_mouse().set_focused(false); | |
1320 | }, | |
1321 | ||
1322 | displayFocus: function() { | |
1323 | if (!UI.rfb) return; | |
1324 | ||
1325 | UI.rfb.get_keyboard().set_focused(true); | |
1326 | UI.rfb.get_mouse().set_focused(true); | |
bbbf42bb SR |
1327 | }, |
1328 | ||
95dd6001 | 1329 | // Display the desktop name in the document title |
1330 | updateDocumentTitle: function(rfb, name) { | |
1331 | document.title = name + " - noVNC"; | |
bbbf42bb SR |
1332 | }, |
1333 | ||
bbbf42bb SR |
1334 | //Helper to add options to dropdown. |
1335 | addOption: function(selectbox, text, value) { | |
1336 | var optn = document.createElement("OPTION"); | |
1337 | optn.text = text; | |
1338 | optn.value = value; | |
1339 | selectbox.options.add(optn); | |
1340 | }, | |
1341 | ||
1342 | setBarPosition: function() { | |
ae510306 SR |
1343 | document.getElementById('noVNC_control_bar').style.top = (window.pageYOffset) + 'px'; |
1344 | document.getElementById('noVNC_mobile_buttons').style.left = (window.pageXOffset) + 'px'; | |
bbbf42bb | 1345 | |
ae510306 SR |
1346 | var vncwidth = document.getElementById('noVNC_container').style.offsetWidth; |
1347 | document.getElementById('noVNC_control_bar').style.width = vncwidth + 'px'; | |
bbbf42bb SR |
1348 | } |
1349 | ||
95dd6001 | 1350 | /* ------^------- |
1351 | * /MISC | |
1352 | * ============== | |
1353 | */ | |
bbbf42bb | 1354 | }; |
ae510306 SR |
1355 | |
1356 | /* [module] UI.load(); */ | |
bbbf42bb | 1357 | })(); |
ae510306 SR |
1358 | |
1359 | /* [module] export default UI; */ |