| | 1 | /* |
| | 2 | * noVNC: HTML5 VNC client |
| | 3 | * Copyright (C) 2012 Joel Martin |
| | 4 | * Copyright (C) 2016 Samuel Mannehed for Cendio AB |
| | 5 | * Copyright (C) 2016 Pierre Ossman for Cendio AB |
| | 6 | * Licensed under MPL 2.0 (see LICENSE.txt) |
| | 7 | * |
| | 8 | * See README.md for usage and integration instructions. |
| | 9 | */ |
| | 10 | |
| | 11 | /* jslint white: false, browser: true */ |
| | 12 | /* global window, document.getElementById, Util, WebUtil, RFB, Display */ |
| | 13 | |
| | 14 | /* [module] |
| | 15 | * import Util from "../core/util"; |
| | 16 | * import KeyTable from "../core/input/keysym"; |
| | 17 | * import RFB from "../core/rfb"; |
| | 18 | * import Display from "../core/display"; |
| | 19 | * import WebUtil from "./webutil"; |
| | 20 | */ |
| | 21 | |
| | 22 | var UI; |
| | 23 | |
| | 24 | (function () { |
| | 25 | "use strict"; |
| | 26 | |
| | 27 | /* [begin skip-as-module] */ |
| | 28 | // Load supporting scripts |
| | 29 | WebUtil.load_scripts( |
| | 30 | {'core': ["base64.js", "websock.js", "des.js", "input/keysymdef.js", |
| | 31 | "input/xtscancodes.js", "input/util.js", "input/devices.js", |
| | 32 | "display.js", "inflator.js", "rfb.js", "input/keysym.js"]}); |
| | 33 | |
| | 34 | window.onscriptsload = function () { UI.load(); }; |
| | 35 | /* [end skip-as-module] */ |
| | 36 | |
| | 37 | UI = { |
| | 38 | |
| | 39 | rfb_state: 'loaded', |
| | 40 | |
| | 41 | resizeTimeout: null, |
| | 42 | popupStatusTimeout: null, |
| | 43 | hideKeyboardTimeout: null, |
| | 44 | |
| | 45 | settingsOpen: false, |
| | 46 | connSettingsOpen: false, |
| | 47 | clipboardOpen: false, |
| | 48 | keyboardVisible: false, |
| | 49 | extraKeysVisible: false, |
| | 50 | |
| | 51 | isTouchDevice: false, |
| | 52 | isSafari: false, |
| | 53 | rememberedClipSetting: null, |
| | 54 | lastKeyboardinput: null, |
| | 55 | defaultKeyboardinputLen: 100, |
| | 56 | |
| | 57 | ctrlOn: false, |
| | 58 | altOn: false, |
| | 59 | |
| | 60 | // Setup rfb object, load settings from browser storage, then call |
| | 61 | // UI.init to setup the UI/menus |
| | 62 | load: function(callback) { |
| | 63 | WebUtil.initSettings(UI.start, callback); |
| | 64 | }, |
| | 65 | |
| | 66 | // Render default UI and initialize settings menu |
| | 67 | start: function(callback) { |
| | 68 | |
| | 69 | // Setup global variables first |
| | 70 | UI.isTouchDevice = 'ontouchstart' in document.documentElement; |
| | 71 | UI.isSafari = (navigator.userAgent.indexOf('Safari') !== -1 && |
| | 72 | navigator.userAgent.indexOf('Chrome') === -1); |
| | 73 | |
| | 74 | UI.initSettings(); |
| | 75 | |
| | 76 | // Show mouse selector buttons on touch screen devices |
| | 77 | if (UI.isTouchDevice) { |
| | 78 | // Show mobile buttons |
| | 79 | document.getElementById('noVNC_mobile_buttons') |
| | 80 | .classList.remove("noVNC_hidden"); |
| | 81 | UI.hideMouseButton(); |
| | 82 | // Remove the address bar |
| | 83 | setTimeout(function() { window.scrollTo(0, 1); }, 100); |
| | 84 | UI.forceSetting('clip', true); |
| | 85 | } else { |
| | 86 | UI.initSetting('clip', false); |
| | 87 | } |
| | 88 | |
| | 89 | // Setup and initialize event handlers |
| | 90 | UI.setupWindowEvents(); |
| | 91 | UI.setupFullscreen(); |
| | 92 | UI.addControlbarHandlers(); |
| | 93 | UI.addTouchSpecificHandlers(); |
| | 94 | UI.addXvpHandlers(); |
| | 95 | UI.addConnectionControlHandlers(); |
| | 96 | UI.addClipboardHandlers(); |
| | 97 | UI.addSettingsHandlers(); |
| | 98 | |
| | 99 | // Show the connect panel on first load unless autoconnecting |
| | 100 | if (!autoconnect && !UI.connSettingsOpen) |
| | 101 | UI.toggleConnectPanel(); |
| | 102 | |
| | 103 | UI.updateViewClip(); |
| | 104 | UI.setBarPosition(); |
| | 105 | |
| | 106 | UI.updateVisualState(); |
| | 107 | |
| | 108 | document.getElementById('noVNC_setting_host').focus(); |
| | 109 | |
| | 110 | var autoconnect = WebUtil.getConfigVar('autoconnect', false); |
| | 111 | if (autoconnect === 'true' || autoconnect == '1') { |
| | 112 | autoconnect = true; |
| | 113 | UI.connect(); |
| | 114 | } else { |
| | 115 | autoconnect = false; |
| | 116 | } |
| | 117 | |
| | 118 | if (typeof callback === "function") { |
| | 119 | callback(UI.rfb); |
| | 120 | } |
| | 121 | }, |
| | 122 | |
| | 123 | initSettings: function() { |
| | 124 | // Stylesheet selection dropdown |
| | 125 | var sheet = WebUtil.selectStylesheet(); |
| | 126 | var sheets = WebUtil.getStylesheets(); |
| | 127 | var i; |
| | 128 | for (i = 0; i < sheets.length; i += 1) { |
| | 129 | UI.addOption(document.getElementById('noVNC_setting_stylesheet'),sheets[i].title, sheets[i].title); |
| | 130 | } |
| | 131 | |
| | 132 | // Logging selection dropdown |
| | 133 | var llevels = ['error', 'warn', 'info', 'debug']; |
| | 134 | for (i = 0; i < llevels.length; i += 1) { |
| | 135 | UI.addOption(document.getElementById('noVNC_setting_logging'),llevels[i], llevels[i]); |
| | 136 | } |
| | 137 | |
| | 138 | // Settings with immediate effects |
| | 139 | UI.initSetting('logging', 'warn'); |
| | 140 | WebUtil.init_logging(UI.getSetting('logging')); |
| | 141 | |
| | 142 | UI.initSetting('stylesheet', 'default'); |
| | 143 | WebUtil.selectStylesheet(null); |
| | 144 | // call twice to get around webkit bug |
| | 145 | WebUtil.selectStylesheet(UI.getSetting('stylesheet')); |
| | 146 | |
| | 147 | // if port == 80 (or 443) then it won't be present and should be |
| | 148 | // set manually |
| | 149 | var port = window.location.port; |
| | 150 | if (!port) { |
| | 151 | if (window.location.protocol.substring(0,5) == 'https') { |
| | 152 | port = 443; |
| | 153 | } |
| | 154 | else if (window.location.protocol.substring(0,4) == 'http') { |
| | 155 | port = 80; |
| | 156 | } |
| | 157 | } |
| | 158 | |
| | 159 | /* Populate the controls if defaults are provided in the URL */ |
| | 160 | UI.initSetting('host', window.location.hostname); |
| | 161 | UI.initSetting('port', port); |
| | 162 | UI.initSetting('password', ''); |
| | 163 | UI.initSetting('encrypt', (window.location.protocol === "https:")); |
| | 164 | UI.initSetting('true_color', true); |
| | 165 | UI.initSetting('cursor', !UI.isTouchDevice); |
| | 166 | UI.initSetting('resize', 'off'); |
| | 167 | UI.initSetting('shared', true); |
| | 168 | UI.initSetting('view_only', false); |
| | 169 | UI.initSetting('path', 'websockify'); |
| | 170 | UI.initSetting('repeaterID', ''); |
| | 171 | UI.initSetting('token', ''); |
| | 172 | }, |
| | 173 | |
| | 174 | setupWindowEvents: function() { |
| | 175 | window.addEventListener( 'resize', function () { |
| | 176 | UI.applyResizeMode(); |
| | 177 | UI.updateViewClip(); |
| | 178 | UI.updateViewDrag(); |
| | 179 | UI.setBarPosition(); |
| | 180 | } ); |
| | 181 | }, |
| | 182 | |
| | 183 | setupFullscreen: function() { |
| | 184 | // Only show the button if fullscreen is properly supported |
| | 185 | // * Safari doesn't support alphanumerical input while in fullscreen |
| | 186 | if (!UI.isSafari && |
| | 187 | (document.documentElement.requestFullscreen || |
| | 188 | document.documentElement.mozRequestFullScreen || |
| | 189 | document.documentElement.webkitRequestFullscreen || |
| | 190 | document.body.msRequestFullscreen)) { |
| | 191 | document.getElementById('noVNC_fullscreen_button') |
| | 192 | .classList.remove("noVNC_hidden"); |
| | 193 | UI.addFullscreenHandlers(); |
| | 194 | } |
| | 195 | }, |
| | 196 | |
| | 197 | addControlbarHandlers: function() { |
| | 198 | document.getElementById("noVNC_view_drag_button") |
| | 199 | .addEventListener('click', UI.toggleViewDrag); |
| | 200 | document.getElementById("noVNC_send_ctrl_alt_del_button") |
| | 201 | .addEventListener('click', UI.sendCtrlAltDel); |
| | 202 | document.getElementById("noVNC_status") |
| | 203 | .addEventListener('click', UI.popupStatus); |
| | 204 | document.getElementById("noVNC_popup_status") |
| | 205 | .addEventListener('click', UI.closePopup); |
| | 206 | }, |
| | 207 | |
| | 208 | addTouchSpecificHandlers: function() { |
| | 209 | document.getElementById("noVNC_mouse_button0") |
| | 210 | .addEventListener('click', function () { UI.setMouseButton(1); }); |
| | 211 | document.getElementById("noVNC_mouse_button1") |
| | 212 | .addEventListener('click', function () { UI.setMouseButton(2); }); |
| | 213 | document.getElementById("noVNC_mouse_button2") |
| | 214 | .addEventListener('click', function () { UI.setMouseButton(4); }); |
| | 215 | document.getElementById("noVNC_mouse_button4") |
| | 216 | .addEventListener('click', function () { UI.setMouseButton(0); }); |
| | 217 | document.getElementById("noVNC_keyboard_button") |
| | 218 | .addEventListener('click', UI.showKeyboard); |
| | 219 | |
| | 220 | document.getElementById("noVNC_keyboardinput") |
| | 221 | .addEventListener('input', UI.keyInput); |
| | 222 | document.getElementById("noVNC_keyboardinput") |
| | 223 | .addEventListener('blur', UI.hideKeyboard); |
| | 224 | document.getElementById("noVNC_keyboardinput") |
| | 225 | .addEventListener('submit', function () { return false; }); |
| | 226 | |
| | 227 | window.addEventListener('load', UI.keyboardinputReset); |
| | 228 | |
| | 229 | document.getElementById("noVNC_toggle_extra_keys_button") |
| | 230 | .addEventListener('click', UI.toggleExtraKeys); |
| | 231 | document.getElementById("noVNC_toggle_ctrl_button") |
| | 232 | .addEventListener('click', UI.toggleCtrl); |
| | 233 | document.getElementById("noVNC_toggle_alt_button") |
| | 234 | .addEventListener('click', UI.toggleAlt); |
| | 235 | document.getElementById("noVNC_send_tab_button") |
| | 236 | .addEventListener('click', UI.sendTab); |
| | 237 | document.getElementById("noVNC_send_esc_button") |
| | 238 | .addEventListener('click', UI.sendEsc); |
| | 239 | }, |
| | 240 | |
| | 241 | addXvpHandlers: function() { |
| | 242 | document.getElementById("noVNC_xvp_shutdown_button") |
| | 243 | .addEventListener('click', function() { UI.rfb.xvpShutdown(); }); |
| | 244 | document.getElementById("noVNC_xvp_reboot_button") |
| | 245 | .addEventListener('click', function() { UI.rfb.xvpReboot(); }); |
| | 246 | document.getElementById("noVNC_xvp_reset_button") |
| | 247 | .addEventListener('click', function() { UI.rfb.xvpReset(); }); |
| | 248 | document.getElementById("noVNC_xvp_button") |
| | 249 | .addEventListener('click', UI.toggleXvpPanel); |
| | 250 | }, |
| | 251 | |
| | 252 | addConnectionControlHandlers: function() { |
| | 253 | document.getElementById("noVNC_connect_controls_button") |
| | 254 | .addEventListener('click', UI.toggleConnectPanel); |
| | 255 | document.getElementById("noVNC_disconnect_button") |
| | 256 | .addEventListener('click', UI.disconnect); |
| | 257 | document.getElementById("noVNC_connect_button") |
| | 258 | .addEventListener('click', UI.connect); |
| | 259 | }, |
| | 260 | |
| | 261 | addClipboardHandlers: function() { |
| | 262 | document.getElementById("noVNC_clipboard_button") |
| | 263 | .addEventListener('click', UI.toggleClipboardPanel); |
| | 264 | document.getElementById("noVNC_clipboard_text") |
| | 265 | .addEventListener('focus', UI.displayBlur); |
| | 266 | document.getElementById("noVNC_clipboard_text") |
| | 267 | .addEventListener('blur', UI.displayFocus); |
| | 268 | document.getElementById("noVNC_clipboard_text") |
| | 269 | .addEventListener('change', UI.clipboardSend); |
| | 270 | document.getElementById("noVNC_clipboard_clear_button") |
| | 271 | .addEventListener('click', UI.clipboardClear); |
| | 272 | }, |
| | 273 | |
| | 274 | addSettingsHandlers: function() { |
| | 275 | document.getElementById("noVNC_settings_button") |
| | 276 | .addEventListener('click', UI.toggleSettingsPanel); |
| | 277 | document.getElementById("noVNC_settings_apply") |
| | 278 | .addEventListener('click', UI.settingsApply); |
| | 279 | |
| | 280 | document.getElementById("noVNC_setting_resize") |
| | 281 | .addEventListener('change', UI.enableDisableViewClip); |
| | 282 | }, |
| | 283 | |
| | 284 | addFullscreenHandlers: function() { |
| | 285 | document.getElementById("noVNC_fullscreen_button") |
| | 286 | .addEventListener('click', UI.toggleFullscreen); |
| | 287 | |
| | 288 | window.addEventListener('fullscreenchange', UI.updateFullscreenButton); |
| | 289 | window.addEventListener('mozfullscreenchange', UI.updateFullscreenButton); |
| | 290 | window.addEventListener('webkitfullscreenchange', UI.updateFullscreenButton); |
| | 291 | window.addEventListener('msfullscreenchange', UI.updateFullscreenButton); |
| | 292 | }, |
| | 293 | |
| | 294 | initRFB: function() { |
| | 295 | try { |
| | 296 | UI.rfb = new RFB({'target': document.getElementById('noVNC_canvas'), |
| | 297 | 'onUpdateState': UI.updateState, |
| | 298 | 'onXvpInit': UI.updateXvpButton, |
| | 299 | 'onClipboard': UI.clipboardReceive, |
| | 300 | 'onFBUComplete': UI.initialResize, |
| | 301 | 'onFBResize': UI.updateViewDrag, |
| | 302 | 'onDesktopName': UI.updateDocumentTitle}); |
| | 303 | return true; |
| | 304 | } catch (exc) { |
| | 305 | UI.updateState(null, 'fatal', null, 'Unable to create RFB client -- ' + exc); |
| | 306 | return false; |
| | 307 | } |
| | 308 | }, |
| | 309 | |
| | 310 | /* ------^------- |
| | 311 | * /INIT |
| | 312 | * ============== |
| | 313 | * VISUAL |
| | 314 | * ------v------*/ |
| | 315 | |
| | 316 | updateState: function(rfb, state, oldstate, msg) { |
| | 317 | UI.rfb_state = state; |
| | 318 | var klass; |
| | 319 | switch (state) { |
| | 320 | case 'failed': |
| | 321 | case 'fatal': |
| | 322 | klass = "noVNC_status_error"; |
| | 323 | break; |
| | 324 | case 'normal': |
| | 325 | klass = "noVNC_status_normal"; |
| | 326 | break; |
| | 327 | case 'disconnected': |
| | 328 | /* falls through */ |
| | 329 | case 'loaded': |
| | 330 | klass = "noVNC_status_normal"; |
| | 331 | break; |
| | 332 | case 'password': |
| | 333 | UI.toggleConnectPanel(); |
| | 334 | |
| | 335 | document.getElementById('noVNC_connect_button').value = "Send Password"; |
| | 336 | document.getElementById('noVNC_connect_button').onclick = UI.setPassword; |
| | 337 | document.getElementById('noVNC_setting_password').focus(); |
| | 338 | |
| | 339 | klass = "noVNC_status_warn"; |
| | 340 | break; |
| | 341 | default: |
| | 342 | klass = "noVNC_status_warn"; |
| | 343 | break; |
| | 344 | } |
| | 345 | |
| | 346 | if (typeof(msg) !== 'undefined') { |
| | 347 | document.getElementById('noVNC_control_bar').setAttribute("class", klass); |
| | 348 | document.getElementById('noVNC_status').innerHTML = msg; |
| | 349 | } |
| | 350 | |
| | 351 | UI.updateVisualState(); |
| | 352 | }, |
| | 353 | |
| | 354 | // Disable/enable controls depending on connection state |
| | 355 | updateVisualState: function() { |
| | 356 | var connected = UI.rfb && UI.rfb_state === 'normal'; |
| | 357 | |
| | 358 | //Util.Debug(">> updateVisualState"); |
| | 359 | document.getElementById('noVNC_setting_encrypt').disabled = connected; |
| | 360 | document.getElementById('noVNC_setting_true_color').disabled = connected; |
| | 361 | if (Util.browserSupportsCursorURIs()) { |
| | 362 | document.getElementById('noVNC_setting_cursor').disabled = connected; |
| | 363 | } else { |
| | 364 | UI.updateSetting('cursor', !UI.isTouchDevice); |
| | 365 | document.getElementById('noVNC_setting_cursor').disabled = true; |
| | 366 | } |
| | 367 | |
| | 368 | UI.enableDisableViewClip(); |
| | 369 | document.getElementById('noVNC_setting_resize').disabled = connected; |
| | 370 | document.getElementById('noVNC_setting_shared').disabled = connected; |
| | 371 | document.getElementById('noVNC_setting_view_only').disabled = connected; |
| | 372 | document.getElementById('noVNC_setting_path').disabled = connected; |
| | 373 | document.getElementById('noVNC_setting_repeaterID').disabled = connected; |
| | 374 | |
| | 375 | if (connected) { |
| | 376 | document.getElementById('noVNC_logo') |
| | 377 | .classList.add("noVNC_hidden"); |
| | 378 | document.getElementById('noVNC_screen') |
| | 379 | .classList.remove("noVNC_hidden"); |
| | 380 | UI.updateViewClip(); |
| | 381 | UI.setMouseButton(1); |
| | 382 | document.getElementById('noVNC_clipboard_button') |
| | 383 | .classList.remove("noVNC_hidden"); |
| | 384 | document.getElementById('noVNC_keyboard_button') |
| | 385 | .classList.remove("noVNC_hidden"); |
| | 386 | document.getElementById('noVNC_extra_keys') |
| | 387 | .classList.remove("noVNC_hidden"); |
| | 388 | document.getElementById('noVNC_send_ctrl_alt_del_button') |
| | 389 | .classList.remove("noVNC_hidden"); |
| | 390 | } else { |
| | 391 | document.getElementById('noVNC_logo') |
| | 392 | .classList.remove("noVNC_hidden"); |
| | 393 | document.getElementById('noVNC_screen') |
| | 394 | .classList.add("noVNC_hidden"); |
| | 395 | UI.hideMouseButton(); |
| | 396 | document.getElementById('noVNC_clipboard_button') |
| | 397 | .classList.add("noVNC_hidden"); |
| | 398 | document.getElementById('noVNC_keyboard_button') |
| | 399 | .classList.add("noVNC_hidden"); |
| | 400 | document.getElementById('noVNC_extra_keys') |
| | 401 | .classList.add("noVNC_hidden"); |
| | 402 | document.getElementById('noVNC_send_ctrl_alt_del_button') |
| | 403 | .classList.add("noVNC_hidden"); |
| | 404 | UI.updateXvpButton(0); |
| | 405 | } |
| | 406 | |
| | 407 | // State change disables viewport dragging. |
| | 408 | // It is enabled (toggled) by direct click on the button |
| | 409 | UI.setViewDrag(false); |
| | 410 | |
| | 411 | switch (UI.rfb_state) { |
| | 412 | case 'fatal': |
| | 413 | case 'failed': |
| | 414 | case 'disconnected': |
| | 415 | document.getElementById('noVNC_connect_controls_button') |
| | 416 | .classList.remove("noVNC_hidden"); |
| | 417 | document.getElementById('noVNC_disconnect_button') |
| | 418 | .classList.add("noVNC_hidden"); |
| | 419 | UI.connSettingsOpen = false; |
| | 420 | UI.toggleConnectPanel(); |
| | 421 | break; |
| | 422 | case 'loaded': |
| | 423 | document.getElementById('noVNC_connect_controls_button') |
| | 424 | .classList.remove("noVNC_hidden"); |
| | 425 | document.getElementById('noVNC_disconnect_button') |
| | 426 | .classList.add("noVNC_hidden"); |
| | 427 | break; |
| | 428 | default: |
| | 429 | document.getElementById('noVNC_connect_controls_button') |
| | 430 | .classList.add("noVNC_hidden"); |
| | 431 | document.getElementById('noVNC_disconnect_button') |
| | 432 | .classList.remove("noVNC_hidden"); |
| | 433 | break; |
| | 434 | } |
| | 435 | |
| | 436 | //Util.Debug("<< updateVisualState"); |
| | 437 | }, |
| | 438 | |
| | 439 | popupStatus: function(text) { |
| | 440 | var psp = document.getElementById('noVNC_popup_status'); |
| | 441 | |
| | 442 | clearTimeout(UI.popupStatusTimeout); |
| | 443 | |
| | 444 | if (typeof text === 'string') { |
| | 445 | psp.innerHTML = text; |
| | 446 | } else { |
| | 447 | psp.innerHTML = document.getElementById('noVNC_status').innerHTML; |
| | 448 | } |
| | 449 | psp.classList.remove("noVNC_hidden"); |
| | 450 | psp.style.left = window.innerWidth/2 - |
| | 451 | parseInt(window.getComputedStyle(psp).width)/2 -30 + "px"; |
| | 452 | |
| | 453 | // Show the popup for a maximum of 1.5 seconds |
| | 454 | UI.popupStatusTimeout = setTimeout(UI.closePopup, 1500); |
| | 455 | }, |
| | 456 | |
| | 457 | closePopup: function() { |
| | 458 | clearTimeout(UI.popupStatusTimeout); |
| | 459 | document.getElementById('noVNC_popup_status').classList.add("noVNC_hidden"); |
| | 460 | }, |
| | 461 | |
| | 462 | /* ------^------- |
| | 463 | * /VISUAL |
| | 464 | * ============== |
| | 465 | * SETTINGS |
| | 466 | * ------v------*/ |
| | 467 | |
| | 468 | // Initial page load read/initialization of settings |
| | 469 | initSetting: function(name, defVal) { |
| | 470 | // Check Query string followed by cookie |
| | 471 | var val = WebUtil.getConfigVar(name); |
| | 472 | if (val === null) { |
| | 473 | val = WebUtil.readSetting(name, defVal); |
| | 474 | } |
| | 475 | UI.updateSetting(name, val); |
| | 476 | return val; |
| | 477 | }, |
| | 478 | |
| | 479 | // Update cookie and form control setting. If value is not set, then |
| | 480 | // updates from control to current cookie setting. |
| | 481 | updateSetting: function(name, value) { |
| | 482 | |
| | 483 | // Save the cookie for this session |
| | 484 | if (typeof value !== 'undefined') { |
| | 485 | WebUtil.writeSetting(name, value); |
| | 486 | } |
| | 487 | |
| | 488 | // Update the settings control |
| | 489 | value = UI.getSetting(name); |
| | 490 | |
| | 491 | var ctrl = document.getElementById('noVNC_setting_' + name); |
| | 492 | if (ctrl.type === 'checkbox') { |
| | 493 | ctrl.checked = value; |
| | 494 | |
| | 495 | } else if (typeof ctrl.options !== 'undefined') { |
| | 496 | for (var i = 0; i < ctrl.options.length; i += 1) { |
| | 497 | if (ctrl.options[i].value === value) { |
| | 498 | ctrl.selectedIndex = i; |
| | 499 | break; |
| | 500 | } |
| | 501 | } |
| | 502 | } else { |
| | 503 | /*Weird IE9 error leads to 'null' appearring |
| | 504 | in textboxes instead of ''.*/ |
| | 505 | if (value === null) { |
| | 506 | value = ""; |
| | 507 | } |
| | 508 | ctrl.value = value; |
| | 509 | } |
| | 510 | }, |
| | 511 | |
| | 512 | // Save control setting to cookie |
| | 513 | saveSetting: function(name) { |
| | 514 | var val, ctrl = document.getElementById('noVNC_setting_' + name); |
| | 515 | if (ctrl.type === 'checkbox') { |
| | 516 | val = ctrl.checked; |
| | 517 | } else if (typeof ctrl.options !== 'undefined') { |
| | 518 | val = ctrl.options[ctrl.selectedIndex].value; |
| | 519 | } else { |
| | 520 | val = ctrl.value; |
| | 521 | } |
| | 522 | WebUtil.writeSetting(name, val); |
| | 523 | //Util.Debug("Setting saved '" + name + "=" + val + "'"); |
| | 524 | return val; |
| | 525 | }, |
| | 526 | |
| | 527 | // Force a setting to be a certain value |
| | 528 | forceSetting: function(name, val) { |
| | 529 | UI.updateSetting(name, val); |
| | 530 | return val; |
| | 531 | }, |
| | 532 | |
| | 533 | // Read form control compatible setting from cookie |
| | 534 | getSetting: function(name) { |
| | 535 | var ctrl = document.getElementById('noVNC_setting_' + name); |
| | 536 | var val = WebUtil.readSetting(name); |
| | 537 | if (typeof val !== 'undefined' && val !== null && ctrl.type === 'checkbox') { |
| | 538 | if (val.toString().toLowerCase() in {'0':1, 'no':1, 'false':1}) { |
| | 539 | val = false; |
| | 540 | } else { |
| | 541 | val = true; |
| | 542 | } |
| | 543 | } |
| | 544 | return val; |
| | 545 | }, |
| | 546 | |
| | 547 | // Save/apply settings when 'Apply' button is pressed |
| | 548 | settingsApply: function() { |
| | 549 | //Util.Debug(">> settingsApply"); |
| | 550 | UI.saveSetting('encrypt'); |
| | 551 | UI.saveSetting('true_color'); |
| | 552 | if (Util.browserSupportsCursorURIs()) { |
| | 553 | UI.saveSetting('cursor'); |
| | 554 | } |
| | 555 | |
| | 556 | UI.saveSetting('resize'); |
| | 557 | |
| | 558 | if (UI.getSetting('resize') === 'downscale' || UI.getSetting('resize') === 'scale') { |
| | 559 | UI.forceSetting('clip', false); |
| | 560 | } |
| | 561 | |
| | 562 | UI.saveSetting('clip'); |
| | 563 | UI.saveSetting('shared'); |
| | 564 | UI.saveSetting('view_only'); |
| | 565 | UI.saveSetting('path'); |
| | 566 | UI.saveSetting('repeaterID'); |
| | 567 | UI.saveSetting('stylesheet'); |
| | 568 | UI.saveSetting('logging'); |
| | 569 | |
| | 570 | // Settings with immediate (non-connected related) effect |
| | 571 | WebUtil.selectStylesheet(UI.getSetting('stylesheet')); |
| | 572 | WebUtil.init_logging(UI.getSetting('logging')); |
| | 573 | UI.updateViewClip(); |
| | 574 | UI.updateViewDrag(); |
| | 575 | //Util.Debug("<< settingsApply"); |
| | 576 | }, |
| | 577 | |
| | 578 | // Open menu |
| | 579 | openSettingsMenu: function() { |
| | 580 | // Close clipboard panel if open |
| | 581 | if (UI.clipboardOpen === true) { |
| | 582 | UI.toggleClipboardPanel(); |
| | 583 | } |
| | 584 | // Close connection settings if open |
| | 585 | if (UI.connSettingsOpen === true) { |
| | 586 | UI.toggleConnectPanel(); |
| | 587 | } |
| | 588 | // Close XVP panel if open |
| | 589 | if (UI.xvpOpen === true) { |
| | 590 | UI.toggleXvpPanel(); |
| | 591 | } |
| | 592 | document.getElementById('noVNC_settings') |
| | 593 | .classList.add("noVNC_open"); |
| | 594 | document.getElementById('noVNC_settings_button') |
| | 595 | .className = "noVNC_button_selected"; |
| | 596 | UI.settingsOpen = true; |
| | 597 | }, |
| | 598 | |
| | 599 | // Close menu (without applying settings) |
| | 600 | closeSettingsMenu: function() { |
| | 601 | document.getElementById('noVNC_settings') |
| | 602 | .classList.remove("noVNC_open"); |
| | 603 | document.getElementById('noVNC_settings_button') |
| | 604 | .className = "noVNC_button"; |
| | 605 | UI.settingsOpen = false; |
| | 606 | }, |
| | 607 | |
| | 608 | // Toggle the settings menu: |
| | 609 | // On open, settings are refreshed from saved cookies. |
| | 610 | // On close, settings are applied |
| | 611 | toggleSettingsPanel: function() { |
| | 612 | if (UI.settingsOpen) { |
| | 613 | UI.settingsApply(); |
| | 614 | UI.closeSettingsMenu(); |
| | 615 | } else { |
| | 616 | UI.updateSetting('encrypt'); |
| | 617 | UI.updateSetting('true_color'); |
| | 618 | if (Util.browserSupportsCursorURIs()) { |
| | 619 | UI.updateSetting('cursor'); |
| | 620 | } else { |
| | 621 | UI.updateSetting('cursor', !UI.isTouchDevice); |
| | 622 | document.getElementById('noVNC_setting_cursor').disabled = true; |
| | 623 | } |
| | 624 | UI.updateSetting('clip'); |
| | 625 | UI.updateSetting('resize'); |
| | 626 | UI.updateSetting('shared'); |
| | 627 | UI.updateSetting('view_only'); |
| | 628 | UI.updateSetting('path'); |
| | 629 | UI.updateSetting('repeaterID'); |
| | 630 | UI.updateSetting('stylesheet'); |
| | 631 | UI.updateSetting('logging'); |
| | 632 | |
| | 633 | UI.openSettingsMenu(); |
| | 634 | } |
| | 635 | }, |
| | 636 | |
| | 637 | /* ------^------- |
| | 638 | * /SETTINGS |
| | 639 | * ============== |
| | 640 | * XVP |
| | 641 | * ------v------*/ |
| | 642 | |
| | 643 | // Show the XVP panel |
| | 644 | toggleXvpPanel: function() { |
| | 645 | // Close settings if open |
| | 646 | if (UI.settingsOpen === true) { |
| | 647 | UI.settingsApply(); |
| | 648 | UI.closeSettingsMenu(); |
| | 649 | } |
| | 650 | // Close connection settings if open |
| | 651 | if (UI.connSettingsOpen === true) { |
| | 652 | UI.toggleConnectPanel(); |
| | 653 | } |
| | 654 | // Close clipboard panel if open |
| | 655 | if (UI.clipboardOpen === true) { |
| | 656 | UI.toggleClipboardPanel(); |
| | 657 | } |
| | 658 | // Toggle XVP panel |
| | 659 | if (UI.xvpOpen === true) { |
| | 660 | document.getElementById('noVNC_xvp') |
| | 661 | .classList.remove("noVNC_open"); |
| | 662 | document.getElementById('noVNC_xvp_button') |
| | 663 | .className = "noVNC_button"; |
| | 664 | UI.xvpOpen = false; |
| | 665 | } else { |
| | 666 | document.getElementById('noVNC_xvp') |
| | 667 | .classList.add("noVNC_open"); |
| | 668 | document.getElementById('noVNC_xvp_button') |
| | 669 | .className = "noVNC_button_selected"; |
| | 670 | UI.xvpOpen = true; |
| | 671 | } |
| | 672 | }, |
| | 673 | |
| | 674 | // Disable/enable XVP button |
| | 675 | updateXvpButton: function(ver) { |
| | 676 | if (ver >= 1) { |
| | 677 | document.getElementById('noVNC_xvp_button') |
| | 678 | .classList.remove("noVNC_hidden"); |
| | 679 | } else { |
| | 680 | document.getElementById('noVNC_xvp_button') |
| | 681 | .classList.add("noVNC_hidden"); |
| | 682 | // Close XVP panel if open |
| | 683 | if (UI.xvpOpen === true) { |
| | 684 | UI.toggleXvpPanel(); |
| | 685 | } |
| | 686 | } |
| | 687 | }, |
| | 688 | |
| | 689 | /* ------^------- |
| | 690 | * /XVP |
| | 691 | * ============== |
| | 692 | * CLIPBOARD |
| | 693 | * ------v------*/ |
| | 694 | |
| | 695 | // Show the clipboard panel |
| | 696 | toggleClipboardPanel: function() { |
| | 697 | // Close settings if open |
| | 698 | if (UI.settingsOpen === true) { |
| | 699 | UI.settingsApply(); |
| | 700 | UI.closeSettingsMenu(); |
| | 701 | } |
| | 702 | // Close connection settings if open |
| | 703 | if (UI.connSettingsOpen === true) { |
| | 704 | UI.toggleConnectPanel(); |
| | 705 | } |
| | 706 | // Close XVP panel if open |
| | 707 | if (UI.xvpOpen === true) { |
| | 708 | UI.toggleXvpPanel(); |
| | 709 | } |
| | 710 | // Toggle Clipboard Panel |
| | 711 | if (UI.clipboardOpen === true) { |
| | 712 | document.getElementById('noVNC_clipboard') |
| | 713 | .classList.remove("noVNC_open"); |
| | 714 | document.getElementById('noVNC_clipboard_button') |
| | 715 | .className = "noVNC_button"; |
| | 716 | UI.clipboardOpen = false; |
| | 717 | } else { |
| | 718 | document.getElementById('noVNC_clipboard') |
| | 719 | .classList.add("noVNC_open"); |
| | 720 | document.getElementById('noVNC_clipboard_button') |
| | 721 | .className = "noVNC_button_selected"; |
| | 722 | UI.clipboardOpen = true; |
| | 723 | } |
| | 724 | }, |
| | 725 | |
| | 726 | clipboardReceive: function(rfb, text) { |
| | 727 | Util.Debug(">> UI.clipboardReceive: " + text.substr(0,40) + "..."); |
| | 728 | document.getElementById('noVNC_clipboard_text').value = text; |
| | 729 | Util.Debug("<< UI.clipboardReceive"); |
| | 730 | }, |
| | 731 | |
| | 732 | clipboardClear: function() { |
| | 733 | document.getElementById('noVNC_clipboard_text').value = ""; |
| | 734 | UI.rfb.clipboardPasteFrom(""); |
| | 735 | }, |
| | 736 | |
| | 737 | clipboardSend: function() { |
| | 738 | var text = document.getElementById('noVNC_clipboard_text').value; |
| | 739 | Util.Debug(">> UI.clipboardSend: " + text.substr(0,40) + "..."); |
| | 740 | UI.rfb.clipboardPasteFrom(text); |
| | 741 | Util.Debug("<< UI.clipboardSend"); |
| | 742 | }, |
| | 743 | |
| | 744 | /* ------^------- |
| | 745 | * /CLIPBOARD |
| | 746 | * ============== |
| | 747 | * CONNECTION |
| | 748 | * ------v------*/ |
| | 749 | |
| | 750 | // Show the connection settings panel/menu |
| | 751 | toggleConnectPanel: function() { |
| | 752 | // Close connection settings if open |
| | 753 | if (UI.settingsOpen === true) { |
| | 754 | UI.settingsApply(); |
| | 755 | UI.closeSettingsMenu(); |
| | 756 | document.getElementById('noVNC_connect_controls_button') |
| | 757 | .className = "noVNC_button"; |
| | 758 | } |
| | 759 | // Close clipboard panel if open |
| | 760 | if (UI.clipboardOpen === true) { |
| | 761 | UI.toggleClipboardPanel(); |
| | 762 | } |
| | 763 | // Close XVP panel if open |
| | 764 | if (UI.xvpOpen === true) { |
| | 765 | UI.toggleXvpPanel(); |
| | 766 | } |
| | 767 | |
| | 768 | // Toggle Connection Panel |
| | 769 | if (UI.connSettingsOpen === true) { |
| | 770 | document.getElementById('noVNC_connect_controls') |
| | 771 | .classList.remove("noVNC_open"); |
| | 772 | document.getElementById('noVNC_connect_controls_button') |
| | 773 | .className = "noVNC_button"; |
| | 774 | UI.connSettingsOpen = false; |
| | 775 | UI.saveSetting('host'); |
| | 776 | UI.saveSetting('port'); |
| | 777 | UI.saveSetting('token'); |
| | 778 | //UI.saveSetting('password'); |
| | 779 | } else { |
| | 780 | document.getElementById('noVNC_connect_controls') |
| | 781 | .classList.add("noVNC_open"); |
| | 782 | document.getElementById('noVNC_connect_controls_button') |
| | 783 | .className = "noVNC_button_selected"; |
| | 784 | UI.connSettingsOpen = true; |
| | 785 | document.getElementById('noVNC_setting_host').focus(); |
| | 786 | } |
| | 787 | }, |
| | 788 | |
| | 789 | connect: function() { |
| | 790 | UI.closeSettingsMenu(); |
| | 791 | UI.toggleConnectPanel(); |
| | 792 | |
| | 793 | var host = document.getElementById('noVNC_setting_host').value; |
| | 794 | var port = document.getElementById('noVNC_setting_port').value; |
| | 795 | var password = document.getElementById('noVNC_setting_password').value; |
| | 796 | var token = document.getElementById('noVNC_setting_token').value; |
| | 797 | var path = document.getElementById('noVNC_setting_path').value; |
| | 798 | |
| | 799 | //if token is in path then ignore the new token variable |
| | 800 | if (token) { |
| | 801 | path = WebUtil.injectParamIfMissing(path, "token", token); |
| | 802 | } |
| | 803 | |
| | 804 | if ((!host) || (!port)) { |
| | 805 | throw new Error("Must set host and port"); |
| | 806 | } |
| | 807 | |
| | 808 | if (!UI.initRFB()) return; |
| | 809 | |
| | 810 | UI.rfb.set_encrypt(UI.getSetting('encrypt')); |
| | 811 | UI.rfb.set_true_color(UI.getSetting('true_color')); |
| | 812 | UI.rfb.set_local_cursor(UI.getSetting('cursor')); |
| | 813 | UI.rfb.set_shared(UI.getSetting('shared')); |
| | 814 | UI.rfb.set_view_only(UI.getSetting('view_only')); |
| | 815 | UI.rfb.set_repeaterID(UI.getSetting('repeaterID')); |
| | 816 | |
| | 817 | UI.rfb.connect(host, port, password, path); |
| | 818 | |
| | 819 | //Close dialog. |
| | 820 | setTimeout(UI.setBarPosition, 100); |
| | 821 | }, |
| | 822 | |
| | 823 | disconnect: function() { |
| | 824 | UI.closeSettingsMenu(); |
| | 825 | UI.rfb.disconnect(); |
| | 826 | |
| | 827 | // Restore the callback used for initial resize |
| | 828 | UI.rfb.set_onFBUComplete(UI.initialResize); |
| | 829 | |
| | 830 | // Don't display the connection settings until we're actually disconnected |
| | 831 | }, |
| | 832 | |
| | 833 | setPassword: function() { |
| | 834 | UI.rfb.sendPassword(document.getElementById('noVNC_setting_password').value); |
| | 835 | //Reset connect button. |
| | 836 | document.getElementById('noVNC_connect_button').value = "Connect"; |
| | 837 | document.getElementById('noVNC_connect_button').onclick = UI.connect; |
| | 838 | //Hide connection panel. |
| | 839 | UI.toggleConnectPanel(); |
| | 840 | return false; |
| | 841 | }, |
| | 842 | |
| | 843 | /* ------^------- |
| | 844 | * /CONNECTION |
| | 845 | * ============== |
| | 846 | * FULLSCREEN |
| | 847 | * ------v------*/ |
| | 848 | |
| | 849 | toggleFullscreen: function() { |
| | 850 | if (document.fullscreenElement || // alternative standard method |
| | 851 | document.mozFullScreenElement || // currently working methods |
| | 852 | document.webkitFullscreenElement || |
| | 853 | document.msFullscreenElement) { |
| | 854 | if (document.exitFullscreen) { |
| | 855 | document.exitFullscreen(); |
| | 856 | } else if (document.mozCancelFullScreen) { |
| | 857 | document.mozCancelFullScreen(); |
| | 858 | } else if (document.webkitExitFullscreen) { |
| | 859 | document.webkitExitFullscreen(); |
| | 860 | } else if (document.msExitFullscreen) { |
| | 861 | document.msExitFullscreen(); |
| | 862 | } |
| | 863 | } else { |
| | 864 | if (document.documentElement.requestFullscreen) { |
| | 865 | document.documentElement.requestFullscreen(); |
| | 866 | } else if (document.documentElement.mozRequestFullScreen) { |
| | 867 | document.documentElement.mozRequestFullScreen(); |
| | 868 | } else if (document.documentElement.webkitRequestFullscreen) { |
| | 869 | document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT); |
| | 870 | } else if (document.body.msRequestFullscreen) { |
| | 871 | document.body.msRequestFullscreen(); |
| | 872 | } |
| | 873 | } |
| | 874 | UI.enableDisableViewClip(); |
| | 875 | UI.updateFullscreenButton(); |
| | 876 | }, |
| | 877 | |
| | 878 | updateFullscreenButton: function() { |
| | 879 | if (document.fullscreenElement || // alternative standard method |
| | 880 | document.mozFullScreenElement || // currently working methods |
| | 881 | document.webkitFullscreenElement || |
| | 882 | document.msFullscreenElement ) { |
| | 883 | document.getElementById('noVNC_fullscreen_button') |
| | 884 | .className = "noVNC_button_selected"; |
| | 885 | } else { |
| | 886 | document.getElementById('noVNC_fullscreen_button') |
| | 887 | .className = "noVNC_button"; |
| | 888 | } |
| | 889 | }, |
| | 890 | |
| | 891 | /* ------^------- |
| | 892 | * /FULLSCREEN |
| | 893 | * ============== |
| | 894 | * RESIZE |
| | 895 | * ------v------*/ |
| | 896 | |
| | 897 | // Apply remote resizing or local scaling |
| | 898 | applyResizeMode: function() { |
| | 899 | if (!UI.rfb) return; |
| | 900 | |
| | 901 | var screen = UI.screenSize(); |
| | 902 | |
| | 903 | if (screen && UI.rfb_state === 'normal' && UI.rfb.get_display()) { |
| | 904 | |
| | 905 | var display = UI.rfb.get_display(); |
| | 906 | var resizeMode = UI.getSetting('resize'); |
| | 907 | |
| | 908 | if (resizeMode === 'remote') { |
| | 909 | |
| | 910 | // Request changing the resolution of the remote display to |
| | 911 | // the size of the local browser viewport. |
| | 912 | |
| | 913 | // In order to not send multiple requests before the browser-resize |
| | 914 | // is finished we wait 0.5 seconds before sending the request. |
| | 915 | clearTimeout(UI.resizeTimeout); |
| | 916 | UI.resizeTimeout = setTimeout(function(){ |
| | 917 | |
| | 918 | // Limit the viewport to the size of the browser window |
| | 919 | display.set_maxWidth(screen.w); |
| | 920 | display.set_maxHeight(screen.h); |
| | 921 | |
| | 922 | Util.Debug('Attempting requestDesktopSize(' + |
| | 923 | screen.w + ', ' + screen.h + ')'); |
| | 924 | |
| | 925 | // Request a remote size covering the viewport |
| | 926 | UI.rfb.requestDesktopSize(screen.w, screen.h); |
| | 927 | }, 500); |
| | 928 | |
| | 929 | } else if (resizeMode === 'scale' || resizeMode === 'downscale') { |
| | 930 | var downscaleOnly = resizeMode === 'downscale'; |
| | 931 | var scaleRatio = display.autoscale(screen.w, screen.h, downscaleOnly); |
| | 932 | UI.rfb.get_mouse().set_scale(scaleRatio); |
| | 933 | Util.Debug('Scaling by ' + UI.rfb.get_mouse().get_scale()); |
| | 934 | } |
| | 935 | } |
| | 936 | }, |
| | 937 | |
| | 938 | // The screen is always the same size as the available viewport |
| | 939 | // in the browser window minus the height of the control bar |
| | 940 | screenSize: function() { |
| | 941 | var screen = document.getElementById('noVNC_screen'); |
| | 942 | |
| | 943 | // Hide the scrollbars until the size is calculated |
| | 944 | screen.style.overflow = "hidden"; |
| | 945 | |
| | 946 | var pos = Util.getPosition(screen); |
| | 947 | var w = pos.width; |
| | 948 | var h = pos.height; |
| | 949 | |
| | 950 | screen.style.overflow = "visible"; |
| | 951 | |
| | 952 | if (isNaN(w) || isNaN(h)) { |
| | 953 | return false; |
| | 954 | } else { |
| | 955 | return {w: w, h: h}; |
| | 956 | } |
| | 957 | }, |
| | 958 | |
| | 959 | // Normally we only apply the current resize mode after a window resize |
| | 960 | // event. This means that when a new connection is opened, there is no |
| | 961 | // resize mode active. |
| | 962 | // We have to wait until the first FBU because this is where the client |
| | 963 | // will find the supported encodings of the server. Some calls later in |
| | 964 | // the chain is dependant on knowing the server-capabilities. |
| | 965 | initialResize: function(rfb, fbu) { |
| | 966 | UI.applyResizeMode(); |
| | 967 | // After doing this once, we remove the callback. |
| | 968 | UI.rfb.set_onFBUComplete(function() { }); |
| | 969 | }, |
| | 970 | |
| | 971 | /* ------^------- |
| | 972 | * /RESIZE |
| | 973 | * ============== |
| | 974 | * CLIPPING |
| | 975 | * ------v------*/ |
| | 976 | |
| | 977 | // Set and configure viewport clipping |
| | 978 | setViewClip: function(clip) { |
| | 979 | UI.updateSetting('clip', clip); |
| | 980 | UI.updateViewClip(); |
| | 981 | }, |
| | 982 | |
| | 983 | // Update parameters that depend on the clip setting |
| | 984 | updateViewClip: function() { |
| | 985 | var display; |
| | 986 | if (!UI.rfb) { |
| | 987 | return; |
| | 988 | } |
| | 989 | |
| | 990 | var display = UI.rfb.get_display(); |
| | 991 | var cur_clip = display.get_viewport(); |
| | 992 | var new_clip = UI.getSetting('clip'); |
| | 993 | |
| | 994 | if (cur_clip !== new_clip) { |
| | 995 | display.set_viewport(new_clip); |
| | 996 | } |
| | 997 | |
| | 998 | var size = UI.screenSize(); |
| | 999 | |
| | 1000 | if (new_clip && size) { |
| | 1001 | // When clipping is enabled, the screen is limited to |
| | 1002 | // the size of the browser window. |
| | 1003 | display.set_maxWidth(size.w); |
| | 1004 | display.set_maxHeight(size.h); |
| | 1005 | |
| | 1006 | var screen = document.getElementById('noVNC_screen'); |
| | 1007 | var canvas = document.getElementById('noVNC_canvas'); |
| | 1008 | |
| | 1009 | // Hide potential scrollbars that can skew the position |
| | 1010 | screen.style.overflow = "hidden"; |
| | 1011 | |
| | 1012 | // The x position marks the left margin of the canvas, |
| | 1013 | // remove the margin from both sides to keep it centered. |
| | 1014 | var new_w = size.w - (2 * Util.getPosition(canvas).x); |
| | 1015 | |
| | 1016 | screen.style.overflow = "visible"; |
| | 1017 | |
| | 1018 | display.viewportChangeSize(new_w, size.h); |
| | 1019 | } else { |
| | 1020 | // Disable max dimensions |
| | 1021 | display.set_maxWidth(0); |
| | 1022 | display.set_maxHeight(0); |
| | 1023 | display.viewportChangeSize(); |
| | 1024 | } |
| | 1025 | }, |
| | 1026 | |
| | 1027 | // Handle special cases where clipping is forced on/off or locked |
| | 1028 | enableDisableViewClip: function() { |
| | 1029 | var resizeSetting = document.getElementById('noVNC_setting_resize'); |
| | 1030 | var connected = UI.rfb && UI.rfb_state === 'normal'; |
| | 1031 | |
| | 1032 | if (UI.isSafari) { |
| | 1033 | // Safari auto-hides the scrollbars which makes them |
| | 1034 | // impossible to use in most cases |
| | 1035 | UI.setViewClip(true); |
| | 1036 | document.getElementById('noVNC_setting_clip').disabled = true; |
| | 1037 | } else if (resizeSetting.value === 'downscale' || resizeSetting.value === 'scale') { |
| | 1038 | // Disable clipping if we are scaling |
| | 1039 | UI.setViewClip(false); |
| | 1040 | document.getElementById('noVNC_setting_clip').disabled = true; |
| | 1041 | } else if (document.msFullscreenElement) { |
| | 1042 | // The browser is IE and we are in fullscreen mode. |
| | 1043 | // - We need to force clipping while in fullscreen since |
| | 1044 | // scrollbars doesn't work. |
| | 1045 | UI.popupStatus("Forcing clipping mode since scrollbars aren't supported by IE in fullscreen"); |
| | 1046 | UI.rememberedClipSetting = UI.getSetting('clip'); |
| | 1047 | UI.setViewClip(true); |
| | 1048 | document.getElementById('noVNC_setting_clip').disabled = true; |
| | 1049 | } else if (document.body.msRequestFullscreen && UI.rememberedClip !== null) { |
| | 1050 | // Restore view clip to what it was before fullscreen on IE |
| | 1051 | UI.setViewClip(UI.rememberedClipSetting); |
| | 1052 | document.getElementById('noVNC_setting_clip').disabled = connected || UI.isTouchDevice; |
| | 1053 | } else { |
| | 1054 | document.getElementById('noVNC_setting_clip').disabled = connected || UI.isTouchDevice; |
| | 1055 | if (UI.isTouchDevice) { |
| | 1056 | UI.setViewClip(true); |
| | 1057 | } |
| | 1058 | } |
| | 1059 | }, |
| | 1060 | |
| | 1061 | /* ------^------- |
| | 1062 | * /CLIPPING |
| | 1063 | * ============== |
| | 1064 | * VIEWDRAG |
| | 1065 | * ------v------*/ |
| | 1066 | |
| | 1067 | toggleViewDrag: function() { |
| | 1068 | if (!UI.rfb) return; |
| | 1069 | |
| | 1070 | var drag = UI.rfb.get_viewportDrag(); |
| | 1071 | UI.setViewDrag(!drag); |
| | 1072 | }, |
| | 1073 | |
| | 1074 | // Set the view drag mode which moves the viewport on mouse drags |
| | 1075 | setViewDrag: function(drag) { |
| | 1076 | if (!UI.rfb) return; |
| | 1077 | |
| | 1078 | UI.rfb.set_viewportDrag(drag); |
| | 1079 | |
| | 1080 | UI.updateViewDrag(); |
| | 1081 | }, |
| | 1082 | |
| | 1083 | updateViewDrag: function() { |
| | 1084 | var clipping = false; |
| | 1085 | |
| | 1086 | // Check if viewport drag is possible. It is only possible |
| | 1087 | // if the remote display is clipping the client display. |
| | 1088 | if (UI.rfb_state === 'normal' && |
| | 1089 | UI.rfb.get_display().get_viewport() && |
| | 1090 | UI.rfb.get_display().clippingDisplay()) { |
| | 1091 | clipping = true; |
| | 1092 | } |
| | 1093 | |
| | 1094 | var viewDragButton = document.getElementById('noVNC_view_drag_button'); |
| | 1095 | |
| | 1096 | if (UI.rfb_state !== 'normal') { |
| | 1097 | // Always hide when not connected |
| | 1098 | viewDragButton.classList.add("noVNC_hidden"); |
| | 1099 | } else { |
| | 1100 | if (!clipping && |
| | 1101 | UI.rfb.get_viewportDrag()) { |
| | 1102 | // The size of the remote display is the same or smaller |
| | 1103 | // than the client display. Make sure viewport drag isn't |
| | 1104 | // active when it can't be used. |
| | 1105 | UI.rfb.set_viewportDrag(false); |
| | 1106 | } |
| | 1107 | |
| | 1108 | if (UI.rfb.get_viewportDrag()) { |
| | 1109 | viewDragButton.className = "noVNC_button_selected"; |
| | 1110 | } else { |
| | 1111 | viewDragButton.className = "noVNC_button"; |
| | 1112 | } |
| | 1113 | |
| | 1114 | // Different behaviour for touch vs non-touch |
| | 1115 | // The button is disabled instead of hidden on touch devices |
| | 1116 | if (UI.isTouchDevice) { |
| | 1117 | viewDragButton.classList.remove("noVNC_hidden"); |
| | 1118 | |
| | 1119 | if (clipping) { |
| | 1120 | viewDragButton.disabled = false; |
| | 1121 | } else { |
| | 1122 | viewDragButton.disabled = true; |
| | 1123 | } |
| | 1124 | } else { |
| | 1125 | viewDragButton.disabled = false; |
| | 1126 | |
| | 1127 | if (clipping) { |
| | 1128 | viewDragButton.classList.remove("noVNC_hidden"); |
| | 1129 | } else { |
| | 1130 | viewDragButton.classList.add("noVNC_hidden"); |
| | 1131 | } |
| | 1132 | } |
| | 1133 | } |
| | 1134 | }, |
| | 1135 | |
| | 1136 | /* ------^------- |
| | 1137 | * /VIEWDRAG |
| | 1138 | * ============== |
| | 1139 | * KEYBOARD |
| | 1140 | * ------v------*/ |
| | 1141 | |
| | 1142 | // On touch devices, show the OS keyboard |
| | 1143 | showKeyboard: function() { |
| | 1144 | var kbi = document.getElementById('noVNC_keyboardinput'); |
| | 1145 | var skb = document.getElementById('noVNC_keyboard_button'); |
| | 1146 | var l = kbi.value.length; |
| | 1147 | if(UI.keyboardVisible === false) { |
| | 1148 | kbi.focus(); |
| | 1149 | try { kbi.setSelectionRange(l, l); } // Move the caret to the end |
| | 1150 | catch (err) {} // setSelectionRange is undefined in Google Chrome |
| | 1151 | UI.keyboardVisible = true; |
| | 1152 | skb.className = "noVNC_button_selected"; |
| | 1153 | } else if(UI.keyboardVisible === true) { |
| | 1154 | kbi.blur(); |
| | 1155 | skb.className = "noVNC_button"; |
| | 1156 | UI.keyboardVisible = false; |
| | 1157 | } |
| | 1158 | }, |
| | 1159 | |
| | 1160 | hideKeyboard: function() { |
| | 1161 | document.getElementById('noVNC_keyboard_button') |
| | 1162 | .className = "noVNC_button"; |
| | 1163 | //Weird bug in iOS if you change keyboardVisible |
| | 1164 | //here it does not actually occur so next time |
| | 1165 | //you click keyboard icon it doesnt work. |
| | 1166 | UI.hideKeyboardTimeout = setTimeout(function() { |
| | 1167 | UI.keyboardVisible = false; |
| | 1168 | },100); |
| | 1169 | }, |
| | 1170 | |
| | 1171 | keepKeyboard: function() { |
| | 1172 | clearTimeout(UI.hideKeyboardTimeout); |
| | 1173 | if(UI.keyboardVisible === true) { |
| | 1174 | document.getElementById('noVNC_keyboardinput').focus(); |
| | 1175 | document.getElementById('noVNC_keyboard_button') |
| | 1176 | .className = "noVNC_button_selected"; |
| | 1177 | } else if(UI.keyboardVisible === false) { |
| | 1178 | document.getElementById('noVNC_keyboardinput').blur(); |
| | 1179 | document.getElementById('noVNC_keyboard_button') |
| | 1180 | .className = "noVNC_button"; |
| | 1181 | } |
| | 1182 | }, |
| | 1183 | |
| | 1184 | keyboardinputReset: function() { |
| | 1185 | var kbi = document.getElementById('noVNC_keyboardinput'); |
| | 1186 | kbi.value = new Array(UI.defaultKeyboardinputLen).join("_"); |
| | 1187 | UI.lastKeyboardinput = kbi.value; |
| | 1188 | }, |
| | 1189 | |
| | 1190 | // When normal keyboard events are left uncought, use the input events from |
| | 1191 | // the keyboardinput element instead and generate the corresponding key events. |
| | 1192 | // This code is required since some browsers on Android are inconsistent in |
| | 1193 | // sending keyCodes in the normal keyboard events when using on screen keyboards. |
| | 1194 | keyInput: function(event) { |
| | 1195 | |
| | 1196 | if (!UI.rfb) return; |
| | 1197 | |
| | 1198 | var newValue = event.target.value; |
| | 1199 | |
| | 1200 | if (!UI.lastKeyboardinput) { |
| | 1201 | UI.keyboardinputReset(); |
| | 1202 | } |
| | 1203 | var oldValue = UI.lastKeyboardinput; |
| | 1204 | |
| | 1205 | var newLen; |
| | 1206 | try { |
| | 1207 | // Try to check caret position since whitespace at the end |
| | 1208 | // will not be considered by value.length in some browsers |
| | 1209 | newLen = Math.max(event.target.selectionStart, newValue.length); |
| | 1210 | } catch (err) { |
| | 1211 | // selectionStart is undefined in Google Chrome |
| | 1212 | newLen = newValue.length; |
| | 1213 | } |
| | 1214 | var oldLen = oldValue.length; |
| | 1215 | |
| | 1216 | var backspaces; |
| | 1217 | var inputs = newLen - oldLen; |
| | 1218 | if (inputs < 0) { |
| | 1219 | backspaces = -inputs; |
| | 1220 | } else { |
| | 1221 | backspaces = 0; |
| | 1222 | } |
| | 1223 | |
| | 1224 | // Compare the old string with the new to account for |
| | 1225 | // text-corrections or other input that modify existing text |
| | 1226 | var i; |
| | 1227 | for (i = 0; i < Math.min(oldLen, newLen); i++) { |
| | 1228 | if (newValue.charAt(i) != oldValue.charAt(i)) { |
| | 1229 | inputs = newLen - i; |
| | 1230 | backspaces = oldLen - i; |
| | 1231 | break; |
| | 1232 | } |
| | 1233 | } |
| | 1234 | |
| | 1235 | // Send the key events |
| | 1236 | for (i = 0; i < backspaces; i++) { |
| | 1237 | UI.rfb.sendKey(KeyTable.XK_BackSpace); |
| | 1238 | } |
| | 1239 | for (i = newLen - inputs; i < newLen; i++) { |
| | 1240 | UI.rfb.sendKey(newValue.charCodeAt(i)); |
| | 1241 | } |
| | 1242 | |
| | 1243 | // Control the text content length in the keyboardinput element |
| | 1244 | if (newLen > 2 * UI.defaultKeyboardinputLen) { |
| | 1245 | UI.keyboardinputReset(); |
| | 1246 | } else if (newLen < 1) { |
| | 1247 | // There always have to be some text in the keyboardinput |
| | 1248 | // element with which backspace can interact. |
| | 1249 | UI.keyboardinputReset(); |
| | 1250 | // This sometimes causes the keyboard to disappear for a second |
| | 1251 | // but it is required for the android keyboard to recognize that |
| | 1252 | // text has been added to the field |
| | 1253 | event.target.blur(); |
| | 1254 | // This has to be ran outside of the input handler in order to work |
| | 1255 | setTimeout(UI.keepKeyboard, 0); |
| | 1256 | } else { |
| | 1257 | UI.lastKeyboardinput = newValue; |
| | 1258 | } |
| | 1259 | }, |
| | 1260 | |
| | 1261 | toggleExtraKeys: function() { |
| | 1262 | UI.keepKeyboard(); |
| | 1263 | if(UI.extraKeysVisible === false) { |
| | 1264 | document.getElementById('noVNC_modifiers') |
| | 1265 | .classList.add("noVNC_open"); |
| | 1266 | document.getElementById('noVNC_toggle_extra_keys_button') |
| | 1267 | .className = "noVNC_button_selected"; |
| | 1268 | UI.extraKeysVisible = true; |
| | 1269 | } else if(UI.extraKeysVisible === true) { |
| | 1270 | document.getElementById('noVNC_modifiers') |
| | 1271 | .classList.remove("noVNC_open"); |
| | 1272 | document.getElementById('noVNC_toggle_extra_keys_button') |
| | 1273 | .className = "noVNC_button"; |
| | 1274 | UI.extraKeysVisible = false; |
| | 1275 | } |
| | 1276 | }, |
| | 1277 | |
| | 1278 | sendEsc: function() { |
| | 1279 | UI.keepKeyboard(); |
| | 1280 | UI.rfb.sendKey(KeyTable.XK_Escape); |
| | 1281 | }, |
| | 1282 | |
| | 1283 | sendTab: function() { |
| | 1284 | UI.keepKeyboard(); |
| | 1285 | UI.rfb.sendKey(KeyTable.XK_Tab); |
| | 1286 | }, |
| | 1287 | |
| | 1288 | toggleCtrl: function() { |
| | 1289 | UI.keepKeyboard(); |
| | 1290 | if(UI.ctrlOn === false) { |
| | 1291 | UI.rfb.sendKey(KeyTable.XK_Control_L, true); |
| | 1292 | document.getElementById('noVNC_toggle_ctrl_button') |
| | 1293 | .className = "noVNC_button_selected"; |
| | 1294 | UI.ctrlOn = true; |
| | 1295 | } else if(UI.ctrlOn === true) { |
| | 1296 | UI.rfb.sendKey(KeyTable.XK_Control_L, false); |
| | 1297 | document.getElementById('noVNC_toggle_ctrl_button') |
| | 1298 | .className = "noVNC_button"; |
| | 1299 | UI.ctrlOn = false; |
| | 1300 | } |
| | 1301 | }, |
| | 1302 | |
| | 1303 | toggleAlt: function() { |
| | 1304 | UI.keepKeyboard(); |
| | 1305 | if(UI.altOn === false) { |
| | 1306 | UI.rfb.sendKey(KeyTable.XK_Alt_L, true); |
| | 1307 | document.getElementById('noVNC_toggle_alt_button') |
| | 1308 | .className = "noVNC_button_selected"; |
| | 1309 | UI.altOn = true; |
| | 1310 | } else if(UI.altOn === true) { |
| | 1311 | UI.rfb.sendKey(KeyTable.XK_Alt_L, false); |
| | 1312 | document.getElementById('noVNC_toggle_alt_button') |
| | 1313 | .className = "noVNC_button"; |
| | 1314 | UI.altOn = false; |
| | 1315 | } |
| | 1316 | }, |
| | 1317 | |
| | 1318 | sendCtrlAltDel: function() { |
| | 1319 | UI.rfb.sendCtrlAltDel(); |
| | 1320 | }, |
| | 1321 | |
| | 1322 | /* ------^------- |
| | 1323 | * /KEYBOARD |
| | 1324 | * ============== |
| | 1325 | * MISC |
| | 1326 | * ------v------*/ |
| | 1327 | |
| | 1328 | hideMouseButton: function() { |
| | 1329 | UI.setMouseButton(-1); |
| | 1330 | }, |
| | 1331 | |
| | 1332 | setMouseButton: function(num) { |
| | 1333 | if (UI.rfb) { |
| | 1334 | UI.rfb.get_mouse().set_touchButton(num); |
| | 1335 | } |
| | 1336 | |
| | 1337 | var blist = [0, 1,2,4]; |
| | 1338 | for (var b = 0; b < blist.length; b++) { |
| | 1339 | var button = document.getElementById('noVNC_mouse_button' + blist[b]); |
| | 1340 | if (blist[b] === num) { |
| | 1341 | button.classList.remove("noVNC_hidden"); |
| | 1342 | } else { |
| | 1343 | button.classList.add("noVNC_hidden"); |
| | 1344 | } |
| | 1345 | } |
| | 1346 | }, |
| | 1347 | |
| | 1348 | displayBlur: function() { |
| | 1349 | if (!UI.rfb) return; |
| | 1350 | |
| | 1351 | UI.rfb.get_keyboard().set_focused(false); |
| | 1352 | UI.rfb.get_mouse().set_focused(false); |
| | 1353 | }, |
| | 1354 | |
| | 1355 | displayFocus: function() { |
| | 1356 | if (!UI.rfb) return; |
| | 1357 | |
| | 1358 | UI.rfb.get_keyboard().set_focused(true); |
| | 1359 | UI.rfb.get_mouse().set_focused(true); |
| | 1360 | }, |
| | 1361 | |
| | 1362 | // Display the desktop name in the document title |
| | 1363 | updateDocumentTitle: function(rfb, name) { |
| | 1364 | document.title = name + " - noVNC"; |
| | 1365 | }, |
| | 1366 | |
| | 1367 | //Helper to add options to dropdown. |
| | 1368 | addOption: function(selectbox, text, value) { |
| | 1369 | var optn = document.createElement("OPTION"); |
| | 1370 | optn.text = text; |
| | 1371 | optn.value = value; |
| | 1372 | selectbox.options.add(optn); |
| | 1373 | }, |
| | 1374 | |
| | 1375 | setBarPosition: function() { |
| | 1376 | document.getElementById('noVNC_control_bar').style.top = (window.pageYOffset) + 'px'; |
| | 1377 | document.getElementById('noVNC_mobile_buttons').style.left = (window.pageXOffset) + 'px'; |
| | 1378 | |
| | 1379 | var vncwidth = document.getElementById('noVNC_container').style.offsetWidth; |
| | 1380 | document.getElementById('noVNC_control_bar').style.width = vncwidth + 'px'; |
| | 1381 | } |
| | 1382 | |
| | 1383 | /* ------^------- |
| | 1384 | * /MISC |
| | 1385 | * ============== |
| | 1386 | */ |
| | 1387 | }; |
| | 1388 | |
| | 1389 | /* [module] UI.load(); */ |
| | 1390 | })(); |
| | 1391 | |
| | 1392 | /* [module] export default UI; */ |
projects / mirror_novnc.git / blame_incremental