| 1 | /* |
| 2 | * noVNC: HTML5 VNC client |
| 3 | * Copyright (C) 2019 The noVNC Authors |
| 4 | * Licensed under MPL 2.0 (see LICENSE.txt) |
| 5 | * |
| 6 | * See README.md for usage and integration instructions. |
| 7 | */ |
| 8 | |
| 9 | import * as Log from '../core/util/logging.js'; |
| 10 | import _, { l10n } from './localization.js'; |
| 11 | import { isTouchDevice, isMac, isIOS, isAndroid, isChromeOS, isSafari, |
| 12 | hasScrollbarGutter, dragThreshold } |
| 13 | from '../core/util/browser.js'; |
| 14 | import { setCapture, getPointerEvent } from '../core/util/events.js'; |
| 15 | import KeyTable from "../core/input/keysym.js"; |
| 16 | import keysyms from "../core/input/keysymdef.js"; |
| 17 | import Keyboard from "../core/input/keyboard.js"; |
| 18 | import RFB from "../core/rfb.js"; |
| 19 | import * as WebUtil from "./webutil.js"; |
| 20 | |
| 21 | const PAGE_TITLE = "noVNC"; |
| 22 | |
| 23 | // String validation |
| 24 | function isAlphaNumeric(str) { return (str.match(/^[A-Za-z0-9]+$/) != null); }; |
| 25 | function isSafeString(str) { return ((typeof str == 'string') && (str.indexOf('<') == -1) && (str.indexOf('>') == -1) && (str.indexOf('&') == -1) && (str.indexOf('"') == -1) && (str.indexOf('\'') == -1) && (str.indexOf('+') == -1) && (str.indexOf('(') == -1) && (str.indexOf(')') == -1) && (str.indexOf('#') == -1) && (str.indexOf('%') == -1)) }; |
| 26 | |
| 27 | // Parse URL arguments, only keep safe values |
| 28 | function parseUriArgs() { |
| 29 | var href = window.document.location.href; |
| 30 | if (href.endsWith('#')) { href = href.substring(0, href.length - 1); } |
| 31 | var name, r = {}, parsedUri = href.split(/[\?&|\=]/); |
| 32 | parsedUri.splice(0, 1); |
| 33 | for (x in parsedUri) { |
| 34 | switch (x % 2) { |
| 35 | case 0: { name = decodeURIComponent(parsedUri[x]); break; } |
| 36 | case 1: { |
| 37 | r[name] = decodeURIComponent(parsedUri[x]); |
| 38 | if (!isSafeString(r[name])) { delete r[name]; } else { var x = parseInt(r[name]); if (x == r[name]) { r[name] = x; } } |
| 39 | break; |
| 40 | } default: { break; } |
| 41 | } |
| 42 | } |
| 43 | return r; |
| 44 | } |
| 45 | |
| 46 | var urlargs = parseUriArgs(); |
| 47 | |
| 48 | const UI = { |
| 49 | |
| 50 | connected: false, |
| 51 | desktopName: "", |
| 52 | |
| 53 | statusTimeout: null, |
| 54 | hideKeyboardTimeout: null, |
| 55 | idleControlbarTimeout: null, |
| 56 | closeControlbarTimeout: null, |
| 57 | |
| 58 | controlbarGrabbed: false, |
| 59 | controlbarDrag: false, |
| 60 | controlbarMouseDownClientY: 0, |
| 61 | controlbarMouseDownOffsetY: 0, |
| 62 | |
| 63 | lastKeyboardinput: null, |
| 64 | defaultKeyboardinputLen: 100, |
| 65 | |
| 66 | inhibitReconnect: true, |
| 67 | reconnectCallback: null, |
| 68 | reconnectPassword: null, |
| 69 | |
| 70 | prime() { |
| 71 | return WebUtil.initSettings().then(() => { |
| 72 | if (document.readyState === "interactive" || document.readyState === "complete") { |
| 73 | return UI.start(); |
| 74 | } |
| 75 | |
| 76 | return new Promise((resolve, reject) => { |
| 77 | document.addEventListener('DOMContentLoaded', () => UI.start().then(resolve).catch(reject)); |
| 78 | }); |
| 79 | }); |
| 80 | }, |
| 81 | |
| 82 | // Render default UI and initialize settings menu |
| 83 | start() { |
| 84 | |
| 85 | UI.initSettings(); |
| 86 | |
| 87 | // Translate the DOM |
| 88 | l10n.translateDOM(); |
| 89 | |
| 90 | // We rely on modern APIs which might not be available in an |
| 91 | // insecure context |
| 92 | if (!window.isSecureContext) { |
| 93 | // FIXME: This gets hidden when connecting |
| 94 | UI.showStatus(_("Running without HTTPS is not recommended, crashes or other issues are likely."), 'error'); |
| 95 | } |
| 96 | |
| 97 | // Try to fetch version number |
| 98 | fetch('./package.json') |
| 99 | .then((response) => { |
| 100 | if (!response.ok) { |
| 101 | throw Error("" + response.status + " " + response.statusText); |
| 102 | } |
| 103 | return response.json(); |
| 104 | }) |
| 105 | .then((packageInfo) => { |
| 106 | Array.from(document.getElementsByClassName('noVNC_version')).forEach(el => el.innerText = packageInfo.version); |
| 107 | }) |
| 108 | .catch((err) => { |
| 109 | Log.Error("Couldn't fetch package.json: " + err); |
| 110 | Array.from(document.getElementsByClassName('noVNC_version_wrapper')) |
| 111 | .concat(Array.from(document.getElementsByClassName('noVNC_version_separator'))) |
| 112 | .forEach(el => el.style.display = 'none'); |
| 113 | }); |
| 114 | |
| 115 | // Adapt the interface for touch screen devices |
| 116 | if (isTouchDevice) { |
| 117 | // Remove the address bar |
| 118 | setTimeout(() => window.scrollTo(0, 1), 100); |
| 119 | } |
| 120 | |
| 121 | // Restore control bar position |
| 122 | if (WebUtil.readSetting('controlbar_pos') === 'right') { |
| 123 | UI.toggleControlbarSide(); |
| 124 | } |
| 125 | |
| 126 | UI.initFullscreen(); |
| 127 | |
| 128 | // Setup event handlers |
| 129 | UI.addControlbarHandlers(); |
| 130 | UI.addTouchSpecificHandlers(); |
| 131 | UI.addExtraKeysHandlers(); |
| 132 | UI.addMachineHandlers(); |
| 133 | UI.addConnectionControlHandlers(); |
| 134 | UI.addClipboardHandlers(); |
| 135 | UI.addSettingsHandlers(); |
| 136 | document.getElementById("noVNC_status") |
| 137 | .addEventListener('click', UI.hideStatus); |
| 138 | |
| 139 | // Bootstrap fallback input handler |
| 140 | UI.keyboardinputReset(); |
| 141 | |
| 142 | UI.openControlbar(); |
| 143 | |
| 144 | UI.updateVisualState('init'); |
| 145 | |
| 146 | document.documentElement.classList.remove("noVNC_loading"); |
| 147 | |
| 148 | let autoconnect = WebUtil.getConfigVar('autoconnect', false); |
| 149 | if (autoconnect === 'true' || autoconnect == '1') { |
| 150 | autoconnect = true; |
| 151 | UI.connect(); |
| 152 | } else { |
| 153 | autoconnect = false; |
| 154 | // Show the connect panel on first load unless autoconnecting |
| 155 | UI.openConnectPanel(); |
| 156 | } |
| 157 | |
| 158 | return Promise.resolve(UI.rfb); |
| 159 | }, |
| 160 | |
| 161 | initFullscreen() { |
| 162 | // Only show the button if fullscreen is properly supported |
| 163 | // * Safari doesn't support alphanumerical input while in fullscreen |
| 164 | if (!isSafari() && |
| 165 | (document.documentElement.requestFullscreen || |
| 166 | document.documentElement.mozRequestFullScreen || |
| 167 | document.documentElement.webkitRequestFullscreen || |
| 168 | document.body.msRequestFullscreen)) { |
| 169 | document.getElementById('noVNC_fullscreen_button') |
| 170 | .classList.remove("noVNC_hidden"); |
| 171 | UI.addFullscreenHandlers(); |
| 172 | } |
| 173 | }, |
| 174 | |
| 175 | initSettings() { |
| 176 | // Logging selection dropdown |
| 177 | const llevels = ['error', 'warn', 'info', 'debug']; |
| 178 | for (let i = 0; i < llevels.length; i += 1) { |
| 179 | UI.addOption(document.getElementById('noVNC_setting_logging'), llevels[i], llevels[i]); |
| 180 | } |
| 181 | |
| 182 | // Settings with immediate effects |
| 183 | UI.initSetting('logging', 'warn'); |
| 184 | UI.updateLogging(); |
| 185 | |
| 186 | // if port == 80 (or 443) then it won't be present and should be |
| 187 | // set manually |
| 188 | let port = window.location.port; |
| 189 | if (!port) { |
| 190 | if (window.location.protocol.substring(0, 5) == 'https') { |
| 191 | port = 443; |
| 192 | } else if (window.location.protocol.substring(0, 4) == 'http') { |
| 193 | port = 80; |
| 194 | } |
| 195 | } |
| 196 | |
| 197 | /* Populate the controls if defaults are provided in the URL */ |
| 198 | UI.initSetting('host', window.location.hostname); |
| 199 | UI.initSetting('port', port); |
| 200 | UI.initSetting('encrypt', (window.location.protocol === "https:")); |
| 201 | UI.initSetting('view_clip', false); |
| 202 | UI.initSetting('resize', 'off'); |
| 203 | UI.initSetting('quality', 6); |
| 204 | UI.initSetting('compression', 2); |
| 205 | UI.initSetting('shared', true); |
| 206 | UI.initSetting('view_only', false); |
| 207 | UI.initSetting('show_dot', false); |
| 208 | UI.initSetting('path', 'websockify'); |
| 209 | UI.initSetting('repeaterID', ''); |
| 210 | UI.initSetting('reconnect', false); |
| 211 | UI.initSetting('reconnect_delay', 5000); |
| 212 | |
| 213 | UI.setupSettingLabels(); |
| 214 | }, |
| 215 | // Adds a link to the label elements on the corresponding input elements |
| 216 | setupSettingLabels() { |
| 217 | const labels = document.getElementsByTagName('LABEL'); |
| 218 | for (let i = 0; i < labels.length; i++) { |
| 219 | const htmlFor = labels[i].htmlFor; |
| 220 | if (htmlFor != '') { |
| 221 | const elem = document.getElementById(htmlFor); |
| 222 | if (elem) elem.label = labels[i]; |
| 223 | } else { |
| 224 | // If 'for' isn't set, use the first input element child |
| 225 | const children = labels[i].children; |
| 226 | for (let j = 0; j < children.length; j++) { |
| 227 | if (children[j].form !== undefined) { |
| 228 | children[j].label = labels[i]; |
| 229 | break; |
| 230 | } |
| 231 | } |
| 232 | } |
| 233 | } |
| 234 | }, |
| 235 | |
| 236 | /* ------^------- |
| 237 | * /INIT |
| 238 | * ============== |
| 239 | * EVENT HANDLERS |
| 240 | * ------v------*/ |
| 241 | |
| 242 | addControlbarHandlers() { |
| 243 | document.getElementById("noVNC_control_bar") |
| 244 | .addEventListener('mousemove', UI.activateControlbar); |
| 245 | document.getElementById("noVNC_control_bar") |
| 246 | .addEventListener('mouseup', UI.activateControlbar); |
| 247 | document.getElementById("noVNC_control_bar") |
| 248 | .addEventListener('mousedown', UI.activateControlbar); |
| 249 | document.getElementById("noVNC_control_bar") |
| 250 | .addEventListener('keydown', UI.activateControlbar); |
| 251 | |
| 252 | document.getElementById("noVNC_control_bar") |
| 253 | .addEventListener('mousedown', UI.keepControlbar); |
| 254 | document.getElementById("noVNC_control_bar") |
| 255 | .addEventListener('keydown', UI.keepControlbar); |
| 256 | |
| 257 | document.getElementById("noVNC_view_drag_button") |
| 258 | .addEventListener('click', UI.toggleViewDrag); |
| 259 | |
| 260 | document.getElementById("noVNC_control_bar_handle") |
| 261 | .addEventListener('mousedown', UI.controlbarHandleMouseDown); |
| 262 | document.getElementById("noVNC_control_bar_handle") |
| 263 | .addEventListener('mouseup', UI.controlbarHandleMouseUp); |
| 264 | document.getElementById("noVNC_control_bar_handle") |
| 265 | .addEventListener('mousemove', UI.dragControlbarHandle); |
| 266 | // resize events aren't available for elements |
| 267 | window.addEventListener('resize', UI.updateControlbarHandle); |
| 268 | |
| 269 | const exps = document.getElementsByClassName("noVNC_expander"); |
| 270 | for (let i = 0;i < exps.length;i++) { |
| 271 | exps[i].addEventListener('click', UI.toggleExpander); |
| 272 | } |
| 273 | }, |
| 274 | |
| 275 | addTouchSpecificHandlers() { |
| 276 | document.getElementById("noVNC_keyboard_button") |
| 277 | .addEventListener('click', UI.toggleVirtualKeyboard); |
| 278 | |
| 279 | UI.touchKeyboard = new Keyboard(document.getElementById('noVNC_keyboardinput')); |
| 280 | UI.touchKeyboard.onkeyevent = UI.keyEvent; |
| 281 | UI.touchKeyboard.grab(); |
| 282 | document.getElementById("noVNC_keyboardinput") |
| 283 | .addEventListener('input', UI.keyInput); |
| 284 | document.getElementById("noVNC_keyboardinput") |
| 285 | .addEventListener('focus', UI.onfocusVirtualKeyboard); |
| 286 | document.getElementById("noVNC_keyboardinput") |
| 287 | .addEventListener('blur', UI.onblurVirtualKeyboard); |
| 288 | document.getElementById("noVNC_keyboardinput") |
| 289 | .addEventListener('submit', () => false); |
| 290 | |
| 291 | document.documentElement |
| 292 | .addEventListener('mousedown', UI.keepVirtualKeyboard, true); |
| 293 | |
| 294 | document.getElementById("noVNC_control_bar") |
| 295 | .addEventListener('touchstart', UI.activateControlbar); |
| 296 | document.getElementById("noVNC_control_bar") |
| 297 | .addEventListener('touchmove', UI.activateControlbar); |
| 298 | document.getElementById("noVNC_control_bar") |
| 299 | .addEventListener('touchend', UI.activateControlbar); |
| 300 | document.getElementById("noVNC_control_bar") |
| 301 | .addEventListener('input', UI.activateControlbar); |
| 302 | |
| 303 | document.getElementById("noVNC_control_bar") |
| 304 | .addEventListener('touchstart', UI.keepControlbar); |
| 305 | document.getElementById("noVNC_control_bar") |
| 306 | .addEventListener('input', UI.keepControlbar); |
| 307 | |
| 308 | document.getElementById("noVNC_control_bar_handle") |
| 309 | .addEventListener('touchstart', UI.controlbarHandleMouseDown); |
| 310 | document.getElementById("noVNC_control_bar_handle") |
| 311 | .addEventListener('touchend', UI.controlbarHandleMouseUp); |
| 312 | document.getElementById("noVNC_control_bar_handle") |
| 313 | .addEventListener('touchmove', UI.dragControlbarHandle); |
| 314 | }, |
| 315 | |
| 316 | addExtraKeysHandlers() { |
| 317 | document.getElementById("noVNC_toggle_extra_keys_button") |
| 318 | .addEventListener('click', UI.toggleExtraKeys); |
| 319 | document.getElementById("noVNC_toggle_ctrl_button") |
| 320 | .addEventListener('click', UI.toggleCtrl); |
| 321 | document.getElementById("noVNC_toggle_windows_button") |
| 322 | .addEventListener('click', UI.toggleWindows); |
| 323 | document.getElementById("noVNC_toggle_alt_button") |
| 324 | .addEventListener('click', UI.toggleAlt); |
| 325 | document.getElementById("noVNC_send_tab_button") |
| 326 | .addEventListener('click', UI.sendTab); |
| 327 | document.getElementById("noVNC_send_esc_button") |
| 328 | .addEventListener('click', UI.sendEsc); |
| 329 | document.getElementById("noVNC_send_ctrl_alt_del_button") |
| 330 | .addEventListener('click', UI.sendCtrlAltDel); |
| 331 | }, |
| 332 | |
| 333 | addMachineHandlers() { |
| 334 | document.getElementById("noVNC_shutdown_button") |
| 335 | .addEventListener('click', () => UI.rfb.machineShutdown()); |
| 336 | document.getElementById("noVNC_reboot_button") |
| 337 | .addEventListener('click', () => UI.rfb.machineReboot()); |
| 338 | document.getElementById("noVNC_reset_button") |
| 339 | .addEventListener('click', () => UI.rfb.machineReset()); |
| 340 | document.getElementById("noVNC_power_button") |
| 341 | .addEventListener('click', UI.togglePowerPanel); |
| 342 | }, |
| 343 | |
| 344 | addConnectionControlHandlers() { |
| 345 | document.getElementById("noVNC_disconnect_button") |
| 346 | .addEventListener('click', UI.disconnect); |
| 347 | document.getElementById("noVNC_connect_button") |
| 348 | .addEventListener('click', UI.connect); |
| 349 | document.getElementById("noVNC_cancel_reconnect_button") |
| 350 | .addEventListener('click', UI.cancelReconnect); |
| 351 | |
| 352 | document.getElementById("noVNC_approve_server_button") |
| 353 | .addEventListener('click', UI.approveServer); |
| 354 | document.getElementById("noVNC_reject_server_button") |
| 355 | .addEventListener('click', UI.rejectServer); |
| 356 | document.getElementById("noVNC_credentials_button") |
| 357 | .addEventListener('click', UI.setCredentials); |
| 358 | }, |
| 359 | |
| 360 | addClipboardHandlers() { |
| 361 | document.getElementById("noVNC_clipboard_button") |
| 362 | .addEventListener('click', UI.toggleClipboardPanel); |
| 363 | document.getElementById("noVNC_clipboard_text") |
| 364 | .addEventListener('change', UI.clipboardSend); |
| 365 | }, |
| 366 | |
| 367 | // Add a call to save settings when the element changes, |
| 368 | // unless the optional parameter changeFunc is used instead. |
| 369 | addSettingChangeHandler(name, changeFunc) { |
| 370 | const settingElem = document.getElementById("noVNC_setting_" + name); |
| 371 | if (changeFunc === undefined) { |
| 372 | changeFunc = () => UI.saveSetting(name); |
| 373 | } |
| 374 | settingElem.addEventListener('change', changeFunc); |
| 375 | }, |
| 376 | |
| 377 | addSettingsHandlers() { |
| 378 | document.getElementById("noVNC_settings_button") |
| 379 | .addEventListener('click', UI.toggleSettingsPanel); |
| 380 | |
| 381 | UI.addSettingChangeHandler('encrypt'); |
| 382 | UI.addSettingChangeHandler('resize'); |
| 383 | UI.addSettingChangeHandler('resize', UI.applyResizeMode); |
| 384 | UI.addSettingChangeHandler('resize', UI.updateViewClip); |
| 385 | UI.addSettingChangeHandler('quality'); |
| 386 | UI.addSettingChangeHandler('quality', UI.updateQuality); |
| 387 | UI.addSettingChangeHandler('compression'); |
| 388 | UI.addSettingChangeHandler('compression', UI.updateCompression); |
| 389 | UI.addSettingChangeHandler('view_clip'); |
| 390 | UI.addSettingChangeHandler('view_clip', UI.updateViewClip); |
| 391 | UI.addSettingChangeHandler('shared'); |
| 392 | UI.addSettingChangeHandler('view_only'); |
| 393 | UI.addSettingChangeHandler('view_only', UI.updateViewOnly); |
| 394 | UI.addSettingChangeHandler('show_dot'); |
| 395 | UI.addSettingChangeHandler('show_dot', UI.updateShowDotCursor); |
| 396 | UI.addSettingChangeHandler('host'); |
| 397 | UI.addSettingChangeHandler('port'); |
| 398 | UI.addSettingChangeHandler('path'); |
| 399 | UI.addSettingChangeHandler('repeaterID'); |
| 400 | UI.addSettingChangeHandler('logging'); |
| 401 | UI.addSettingChangeHandler('logging', UI.updateLogging); |
| 402 | UI.addSettingChangeHandler('reconnect'); |
| 403 | UI.addSettingChangeHandler('reconnect_delay'); |
| 404 | }, |
| 405 | |
| 406 | addFullscreenHandlers() { |
| 407 | document.getElementById("noVNC_fullscreen_button") |
| 408 | .addEventListener('click', UI.toggleFullscreen); |
| 409 | |
| 410 | window.addEventListener('fullscreenchange', UI.updateFullscreenButton); |
| 411 | window.addEventListener('mozfullscreenchange', UI.updateFullscreenButton); |
| 412 | window.addEventListener('webkitfullscreenchange', UI.updateFullscreenButton); |
| 413 | window.addEventListener('msfullscreenchange', UI.updateFullscreenButton); |
| 414 | }, |
| 415 | |
| 416 | /* ------^------- |
| 417 | * /EVENT HANDLERS |
| 418 | * ============== |
| 419 | * VISUAL |
| 420 | * ------v------*/ |
| 421 | |
| 422 | // Disable/enable controls depending on connection state |
| 423 | updateVisualState(state) { |
| 424 | |
| 425 | document.documentElement.classList.remove("noVNC_connecting"); |
| 426 | document.documentElement.classList.remove("noVNC_connected"); |
| 427 | document.documentElement.classList.remove("noVNC_disconnecting"); |
| 428 | document.documentElement.classList.remove("noVNC_reconnecting"); |
| 429 | |
| 430 | const transitionElem = document.getElementById("noVNC_transition_text"); |
| 431 | switch (state) { |
| 432 | case 'init': |
| 433 | break; |
| 434 | case 'connecting': |
| 435 | transitionElem.textContent = _("Connecting..."); |
| 436 | document.documentElement.classList.add("noVNC_connecting"); |
| 437 | break; |
| 438 | case 'connected': |
| 439 | document.documentElement.classList.add("noVNC_connected"); |
| 440 | break; |
| 441 | case 'disconnecting': |
| 442 | transitionElem.textContent = _("Disconnecting..."); |
| 443 | document.documentElement.classList.add("noVNC_disconnecting"); |
| 444 | break; |
| 445 | case 'disconnected': |
| 446 | break; |
| 447 | case 'reconnecting': |
| 448 | transitionElem.textContent = _("Reconnecting..."); |
| 449 | document.documentElement.classList.add("noVNC_reconnecting"); |
| 450 | break; |
| 451 | default: |
| 452 | Log.Error("Invalid visual state: " + state); |
| 453 | UI.showStatus(_("Internal error"), 'error'); |
| 454 | return; |
| 455 | } |
| 456 | |
| 457 | if (UI.connected) { |
| 458 | UI.updateViewClip(); |
| 459 | |
| 460 | UI.disableSetting('encrypt'); |
| 461 | UI.disableSetting('shared'); |
| 462 | UI.disableSetting('host'); |
| 463 | UI.disableSetting('port'); |
| 464 | UI.disableSetting('path'); |
| 465 | UI.disableSetting('repeaterID'); |
| 466 | |
| 467 | // Hide the controlbar after 2 seconds |
| 468 | UI.closeControlbarTimeout = setTimeout(UI.closeControlbar, 2000); |
| 469 | } else { |
| 470 | UI.enableSetting('encrypt'); |
| 471 | UI.enableSetting('shared'); |
| 472 | UI.enableSetting('host'); |
| 473 | UI.enableSetting('port'); |
| 474 | UI.enableSetting('path'); |
| 475 | UI.enableSetting('repeaterID'); |
| 476 | UI.updatePowerButton(); |
| 477 | UI.keepControlbar(); |
| 478 | } |
| 479 | |
| 480 | // State change closes dialogs as they may not be relevant |
| 481 | // anymore |
| 482 | UI.closeAllPanels(); |
| 483 | document.getElementById('noVNC_verify_server_dlg') |
| 484 | .classList.remove('noVNC_open'); |
| 485 | document.getElementById('noVNC_credentials_dlg') |
| 486 | .classList.remove('noVNC_open'); |
| 487 | }, |
| 488 | |
| 489 | showStatus(text, statusType, time) { |
| 490 | const statusElem = document.getElementById('noVNC_status'); |
| 491 | |
| 492 | if (typeof statusType === 'undefined') { |
| 493 | statusType = 'normal'; |
| 494 | } |
| 495 | |
| 496 | // Don't overwrite more severe visible statuses and never |
| 497 | // errors. Only shows the first error. |
| 498 | if (statusElem.classList.contains("noVNC_open")) { |
| 499 | if (statusElem.classList.contains("noVNC_status_error")) { |
| 500 | return; |
| 501 | } |
| 502 | if (statusElem.classList.contains("noVNC_status_warn") && |
| 503 | statusType === 'normal') { |
| 504 | return; |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | clearTimeout(UI.statusTimeout); |
| 509 | |
| 510 | switch (statusType) { |
| 511 | case 'error': |
| 512 | statusElem.classList.remove("noVNC_status_warn"); |
| 513 | statusElem.classList.remove("noVNC_status_normal"); |
| 514 | statusElem.classList.add("noVNC_status_error"); |
| 515 | break; |
| 516 | case 'warning': |
| 517 | case 'warn': |
| 518 | statusElem.classList.remove("noVNC_status_error"); |
| 519 | statusElem.classList.remove("noVNC_status_normal"); |
| 520 | statusElem.classList.add("noVNC_status_warn"); |
| 521 | break; |
| 522 | case 'normal': |
| 523 | case 'info': |
| 524 | default: |
| 525 | statusElem.classList.remove("noVNC_status_error"); |
| 526 | statusElem.classList.remove("noVNC_status_warn"); |
| 527 | statusElem.classList.add("noVNC_status_normal"); |
| 528 | break; |
| 529 | } |
| 530 | |
| 531 | statusElem.textContent = text; |
| 532 | statusElem.classList.add("noVNC_open"); |
| 533 | |
| 534 | // If no time was specified, show the status for 1.5 seconds |
| 535 | if (typeof time === 'undefined') { |
| 536 | time = 1500; |
| 537 | } |
| 538 | |
| 539 | // Error messages do not timeout |
| 540 | if (statusType !== 'error') { |
| 541 | UI.statusTimeout = window.setTimeout(UI.hideStatus, time); |
| 542 | } |
| 543 | }, |
| 544 | |
| 545 | hideStatus() { |
| 546 | clearTimeout(UI.statusTimeout); |
| 547 | document.getElementById('noVNC_status').classList.remove("noVNC_open"); |
| 548 | }, |
| 549 | |
| 550 | activateControlbar(event) { |
| 551 | clearTimeout(UI.idleControlbarTimeout); |
| 552 | // We manipulate the anchor instead of the actual control |
| 553 | // bar in order to avoid creating new a stacking group |
| 554 | document.getElementById('noVNC_control_bar_anchor') |
| 555 | .classList.remove("noVNC_idle"); |
| 556 | UI.idleControlbarTimeout = window.setTimeout(UI.idleControlbar, 2000); |
| 557 | }, |
| 558 | |
| 559 | idleControlbar() { |
| 560 | // Don't fade if a child of the control bar has focus |
| 561 | if (document.getElementById('noVNC_control_bar') |
| 562 | .contains(document.activeElement) && document.hasFocus()) { |
| 563 | UI.activateControlbar(); |
| 564 | return; |
| 565 | } |
| 566 | |
| 567 | document.getElementById('noVNC_control_bar_anchor') |
| 568 | .classList.add("noVNC_idle"); |
| 569 | }, |
| 570 | |
| 571 | keepControlbar() { |
| 572 | clearTimeout(UI.closeControlbarTimeout); |
| 573 | }, |
| 574 | |
| 575 | openControlbar() { |
| 576 | document.getElementById('noVNC_control_bar') |
| 577 | .classList.add("noVNC_open"); |
| 578 | }, |
| 579 | |
| 580 | closeControlbar() { |
| 581 | UI.closeAllPanels(); |
| 582 | document.getElementById('noVNC_control_bar') |
| 583 | .classList.remove("noVNC_open"); |
| 584 | UI.rfb.focus(); |
| 585 | }, |
| 586 | |
| 587 | toggleControlbar() { |
| 588 | if (document.getElementById('noVNC_control_bar') |
| 589 | .classList.contains("noVNC_open")) { |
| 590 | UI.closeControlbar(); |
| 591 | } else { |
| 592 | UI.openControlbar(); |
| 593 | } |
| 594 | }, |
| 595 | |
| 596 | toggleControlbarSide() { |
| 597 | // Temporarily disable animation, if bar is displayed, to avoid weird |
| 598 | // movement. The transitionend-event will not fire when display=none. |
| 599 | const bar = document.getElementById('noVNC_control_bar'); |
| 600 | const barDisplayStyle = window.getComputedStyle(bar).display; |
| 601 | if (barDisplayStyle !== 'none') { |
| 602 | bar.style.transitionDuration = '0s'; |
| 603 | bar.addEventListener('transitionend', () => bar.style.transitionDuration = ''); |
| 604 | } |
| 605 | |
| 606 | const anchor = document.getElementById('noVNC_control_bar_anchor'); |
| 607 | if (anchor.classList.contains("noVNC_right")) { |
| 608 | WebUtil.writeSetting('controlbar_pos', 'left'); |
| 609 | anchor.classList.remove("noVNC_right"); |
| 610 | } else { |
| 611 | WebUtil.writeSetting('controlbar_pos', 'right'); |
| 612 | anchor.classList.add("noVNC_right"); |
| 613 | } |
| 614 | |
| 615 | // Consider this a movement of the handle |
| 616 | UI.controlbarDrag = true; |
| 617 | |
| 618 | // The user has "followed" hint, let's hide it until the next drag |
| 619 | UI.showControlbarHint(false, false); |
| 620 | }, |
| 621 | |
| 622 | showControlbarHint(show, animate=true) { |
| 623 | const hint = document.getElementById('noVNC_control_bar_hint'); |
| 624 | |
| 625 | if (animate) { |
| 626 | hint.classList.remove("noVNC_notransition"); |
| 627 | } else { |
| 628 | hint.classList.add("noVNC_notransition"); |
| 629 | } |
| 630 | |
| 631 | if (show) { |
| 632 | hint.classList.add("noVNC_active"); |
| 633 | } else { |
| 634 | hint.classList.remove("noVNC_active"); |
| 635 | } |
| 636 | }, |
| 637 | |
| 638 | dragControlbarHandle(e) { |
| 639 | if (!UI.controlbarGrabbed) return; |
| 640 | |
| 641 | const ptr = getPointerEvent(e); |
| 642 | |
| 643 | const anchor = document.getElementById('noVNC_control_bar_anchor'); |
| 644 | if (ptr.clientX < (window.innerWidth * 0.1)) { |
| 645 | if (anchor.classList.contains("noVNC_right")) { |
| 646 | UI.toggleControlbarSide(); |
| 647 | } |
| 648 | } else if (ptr.clientX > (window.innerWidth * 0.9)) { |
| 649 | if (!anchor.classList.contains("noVNC_right")) { |
| 650 | UI.toggleControlbarSide(); |
| 651 | } |
| 652 | } |
| 653 | |
| 654 | if (!UI.controlbarDrag) { |
| 655 | const dragDistance = Math.abs(ptr.clientY - UI.controlbarMouseDownClientY); |
| 656 | |
| 657 | if (dragDistance < dragThreshold) return; |
| 658 | |
| 659 | UI.controlbarDrag = true; |
| 660 | } |
| 661 | |
| 662 | const eventY = ptr.clientY - UI.controlbarMouseDownOffsetY; |
| 663 | |
| 664 | UI.moveControlbarHandle(eventY); |
| 665 | |
| 666 | e.preventDefault(); |
| 667 | e.stopPropagation(); |
| 668 | UI.keepControlbar(); |
| 669 | UI.activateControlbar(); |
| 670 | }, |
| 671 | |
| 672 | // Move the handle but don't allow any position outside the bounds |
| 673 | moveControlbarHandle(viewportRelativeY) { |
| 674 | const handle = document.getElementById("noVNC_control_bar_handle"); |
| 675 | const handleHeight = handle.getBoundingClientRect().height; |
| 676 | const controlbarBounds = document.getElementById("noVNC_control_bar") |
| 677 | .getBoundingClientRect(); |
| 678 | const margin = 10; |
| 679 | |
| 680 | // These heights need to be non-zero for the below logic to work |
| 681 | if (handleHeight === 0 || controlbarBounds.height === 0) { |
| 682 | return; |
| 683 | } |
| 684 | |
| 685 | let newY = viewportRelativeY; |
| 686 | |
| 687 | // Check if the coordinates are outside the control bar |
| 688 | if (newY < controlbarBounds.top + margin) { |
| 689 | // Force coordinates to be below the top of the control bar |
| 690 | newY = controlbarBounds.top + margin; |
| 691 | |
| 692 | } else if (newY > controlbarBounds.top + |
| 693 | controlbarBounds.height - handleHeight - margin) { |
| 694 | // Force coordinates to be above the bottom of the control bar |
| 695 | newY = controlbarBounds.top + |
| 696 | controlbarBounds.height - handleHeight - margin; |
| 697 | } |
| 698 | |
| 699 | // Corner case: control bar too small for stable position |
| 700 | if (controlbarBounds.height < (handleHeight + margin * 2)) { |
| 701 | newY = controlbarBounds.top + |
| 702 | (controlbarBounds.height - handleHeight) / 2; |
| 703 | } |
| 704 | |
| 705 | // The transform needs coordinates that are relative to the parent |
| 706 | const parentRelativeY = newY - controlbarBounds.top; |
| 707 | handle.style.transform = "translateY(" + parentRelativeY + "px)"; |
| 708 | }, |
| 709 | |
| 710 | updateControlbarHandle() { |
| 711 | // Since the control bar is fixed on the viewport and not the page, |
| 712 | // the move function expects coordinates relative the the viewport. |
| 713 | const handle = document.getElementById("noVNC_control_bar_handle"); |
| 714 | const handleBounds = handle.getBoundingClientRect(); |
| 715 | UI.moveControlbarHandle(handleBounds.top); |
| 716 | }, |
| 717 | |
| 718 | controlbarHandleMouseUp(e) { |
| 719 | if ((e.type == "mouseup") && (e.button != 0)) return; |
| 720 | |
| 721 | // mouseup and mousedown on the same place toggles the controlbar |
| 722 | if (UI.controlbarGrabbed && !UI.controlbarDrag) { |
| 723 | UI.toggleControlbar(); |
| 724 | e.preventDefault(); |
| 725 | e.stopPropagation(); |
| 726 | UI.keepControlbar(); |
| 727 | UI.activateControlbar(); |
| 728 | } |
| 729 | UI.controlbarGrabbed = false; |
| 730 | UI.showControlbarHint(false); |
| 731 | }, |
| 732 | |
| 733 | controlbarHandleMouseDown(e) { |
| 734 | if ((e.type == "mousedown") && (e.button != 0)) return; |
| 735 | |
| 736 | const ptr = getPointerEvent(e); |
| 737 | |
| 738 | const handle = document.getElementById("noVNC_control_bar_handle"); |
| 739 | const bounds = handle.getBoundingClientRect(); |
| 740 | |
| 741 | // Touch events have implicit capture |
| 742 | if (e.type === "mousedown") { |
| 743 | setCapture(handle); |
| 744 | } |
| 745 | |
| 746 | UI.controlbarGrabbed = true; |
| 747 | UI.controlbarDrag = false; |
| 748 | |
| 749 | UI.showControlbarHint(true); |
| 750 | |
| 751 | UI.controlbarMouseDownClientY = ptr.clientY; |
| 752 | UI.controlbarMouseDownOffsetY = ptr.clientY - bounds.top; |
| 753 | e.preventDefault(); |
| 754 | e.stopPropagation(); |
| 755 | UI.keepControlbar(); |
| 756 | UI.activateControlbar(); |
| 757 | }, |
| 758 | |
| 759 | toggleExpander(e) { |
| 760 | if (this.classList.contains("noVNC_open")) { |
| 761 | this.classList.remove("noVNC_open"); |
| 762 | } else { |
| 763 | this.classList.add("noVNC_open"); |
| 764 | } |
| 765 | }, |
| 766 | |
| 767 | /* ------^------- |
| 768 | * /VISUAL |
| 769 | * ============== |
| 770 | * SETTINGS |
| 771 | * ------v------*/ |
| 772 | |
| 773 | // Initial page load read/initialization of settings |
| 774 | initSetting(name, defVal) { |
| 775 | // Check Query string followed by cookie |
| 776 | let val = WebUtil.getConfigVar(name); |
| 777 | if (val === null) { |
| 778 | val = WebUtil.readSetting(name, defVal); |
| 779 | } |
| 780 | WebUtil.setSetting(name, val); |
| 781 | UI.updateSetting(name); |
| 782 | return val; |
| 783 | }, |
| 784 | |
| 785 | // Set the new value, update and disable form control setting |
| 786 | forceSetting(name, val) { |
| 787 | WebUtil.setSetting(name, val); |
| 788 | UI.updateSetting(name); |
| 789 | UI.disableSetting(name); |
| 790 | }, |
| 791 | |
| 792 | // Update cookie and form control setting. If value is not set, then |
| 793 | // updates from control to current cookie setting. |
| 794 | updateSetting(name) { |
| 795 | |
| 796 | // Update the settings control |
| 797 | let value = UI.getSetting(name); |
| 798 | |
| 799 | const ctrl = document.getElementById('noVNC_setting_' + name); |
| 800 | if (ctrl.type === 'checkbox') { |
| 801 | ctrl.checked = value; |
| 802 | |
| 803 | } else if (typeof ctrl.options !== 'undefined') { |
| 804 | for (let i = 0; i < ctrl.options.length; i += 1) { |
| 805 | if (ctrl.options[i].value === value) { |
| 806 | ctrl.selectedIndex = i; |
| 807 | break; |
| 808 | } |
| 809 | } |
| 810 | } else { |
| 811 | ctrl.value = value; |
| 812 | } |
| 813 | }, |
| 814 | |
| 815 | // Save control setting to cookie |
| 816 | saveSetting(name) { |
| 817 | const ctrl = document.getElementById('noVNC_setting_' + name); |
| 818 | let val; |
| 819 | if (ctrl.type === 'checkbox') { |
| 820 | val = ctrl.checked; |
| 821 | } else if (typeof ctrl.options !== 'undefined') { |
| 822 | val = ctrl.options[ctrl.selectedIndex].value; |
| 823 | } else { |
| 824 | val = ctrl.value; |
| 825 | } |
| 826 | WebUtil.writeSetting(name, val); |
| 827 | //Log.Debug("Setting saved '" + name + "=" + val + "'"); |
| 828 | return val; |
| 829 | }, |
| 830 | |
| 831 | // Read form control compatible setting from cookie |
| 832 | getSetting(name) { |
| 833 | const ctrl = document.getElementById('noVNC_setting_' + name); |
| 834 | let val = WebUtil.readSetting(name); |
| 835 | if (typeof val !== 'undefined' && val !== null && ctrl.type === 'checkbox') { |
| 836 | if (val.toString().toLowerCase() in {'0': 1, 'no': 1, 'false': 1}) { |
| 837 | val = false; |
| 838 | } else { |
| 839 | val = true; |
| 840 | } |
| 841 | } |
| 842 | return val; |
| 843 | }, |
| 844 | |
| 845 | // These helpers compensate for the lack of parent-selectors and |
| 846 | // previous-sibling-selectors in CSS which are needed when we want to |
| 847 | // disable the labels that belong to disabled input elements. |
| 848 | disableSetting(name) { |
| 849 | const ctrl = document.getElementById('noVNC_setting_' + name); |
| 850 | ctrl.disabled = true; |
| 851 | ctrl.label.classList.add('noVNC_disabled'); |
| 852 | }, |
| 853 | |
| 854 | enableSetting(name) { |
| 855 | const ctrl = document.getElementById('noVNC_setting_' + name); |
| 856 | ctrl.disabled = false; |
| 857 | ctrl.label.classList.remove('noVNC_disabled'); |
| 858 | }, |
| 859 | |
| 860 | /* ------^------- |
| 861 | * /SETTINGS |
| 862 | * ============== |
| 863 | * PANELS |
| 864 | * ------v------*/ |
| 865 | |
| 866 | closeAllPanels() { |
| 867 | UI.closeSettingsPanel(); |
| 868 | UI.closePowerPanel(); |
| 869 | UI.closeClipboardPanel(); |
| 870 | UI.closeExtraKeys(); |
| 871 | }, |
| 872 | |
| 873 | /* ------^------- |
| 874 | * /PANELS |
| 875 | * ============== |
| 876 | * SETTINGS (panel) |
| 877 | * ------v------*/ |
| 878 | |
| 879 | openSettingsPanel() { |
| 880 | UI.closeAllPanels(); |
| 881 | UI.openControlbar(); |
| 882 | |
| 883 | // Refresh UI elements from saved cookies |
| 884 | UI.updateSetting('encrypt'); |
| 885 | UI.updateSetting('view_clip'); |
| 886 | UI.updateSetting('resize'); |
| 887 | UI.updateSetting('quality'); |
| 888 | UI.updateSetting('compression'); |
| 889 | UI.updateSetting('shared'); |
| 890 | UI.updateSetting('view_only'); |
| 891 | UI.updateSetting('path'); |
| 892 | UI.updateSetting('repeaterID'); |
| 893 | UI.updateSetting('logging'); |
| 894 | UI.updateSetting('reconnect'); |
| 895 | UI.updateSetting('reconnect_delay'); |
| 896 | |
| 897 | document.getElementById('noVNC_settings') |
| 898 | .classList.add("noVNC_open"); |
| 899 | document.getElementById('noVNC_settings_button') |
| 900 | .classList.add("noVNC_selected"); |
| 901 | }, |
| 902 | |
| 903 | closeSettingsPanel() { |
| 904 | document.getElementById('noVNC_settings') |
| 905 | .classList.remove("noVNC_open"); |
| 906 | document.getElementById('noVNC_settings_button') |
| 907 | .classList.remove("noVNC_selected"); |
| 908 | }, |
| 909 | |
| 910 | toggleSettingsPanel() { |
| 911 | if (document.getElementById('noVNC_settings') |
| 912 | .classList.contains("noVNC_open")) { |
| 913 | UI.closeSettingsPanel(); |
| 914 | } else { |
| 915 | UI.openSettingsPanel(); |
| 916 | } |
| 917 | }, |
| 918 | |
| 919 | /* ------^------- |
| 920 | * /SETTINGS |
| 921 | * ============== |
| 922 | * POWER |
| 923 | * ------v------*/ |
| 924 | |
| 925 | openPowerPanel() { |
| 926 | UI.closeAllPanels(); |
| 927 | UI.openControlbar(); |
| 928 | |
| 929 | document.getElementById('noVNC_power') |
| 930 | .classList.add("noVNC_open"); |
| 931 | document.getElementById('noVNC_power_button') |
| 932 | .classList.add("noVNC_selected"); |
| 933 | }, |
| 934 | |
| 935 | closePowerPanel() { |
| 936 | document.getElementById('noVNC_power') |
| 937 | .classList.remove("noVNC_open"); |
| 938 | document.getElementById('noVNC_power_button') |
| 939 | .classList.remove("noVNC_selected"); |
| 940 | }, |
| 941 | |
| 942 | togglePowerPanel() { |
| 943 | if (document.getElementById('noVNC_power') |
| 944 | .classList.contains("noVNC_open")) { |
| 945 | UI.closePowerPanel(); |
| 946 | } else { |
| 947 | UI.openPowerPanel(); |
| 948 | } |
| 949 | }, |
| 950 | |
| 951 | // Disable/enable power button |
| 952 | updatePowerButton() { |
| 953 | if (UI.connected && |
| 954 | UI.rfb.capabilities.power && |
| 955 | !UI.rfb.viewOnly) { |
| 956 | document.getElementById('noVNC_power_button') |
| 957 | .classList.remove("noVNC_hidden"); |
| 958 | } else { |
| 959 | document.getElementById('noVNC_power_button') |
| 960 | .classList.add("noVNC_hidden"); |
| 961 | // Close power panel if open |
| 962 | UI.closePowerPanel(); |
| 963 | } |
| 964 | }, |
| 965 | |
| 966 | /* ------^------- |
| 967 | * /POWER |
| 968 | * ============== |
| 969 | * CLIPBOARD |
| 970 | * ------v------*/ |
| 971 | |
| 972 | openClipboardPanel() { |
| 973 | UI.closeAllPanels(); |
| 974 | UI.openControlbar(); |
| 975 | |
| 976 | document.getElementById('noVNC_clipboard') |
| 977 | .classList.add("noVNC_open"); |
| 978 | document.getElementById('noVNC_clipboard_button') |
| 979 | .classList.add("noVNC_selected"); |
| 980 | }, |
| 981 | |
| 982 | closeClipboardPanel() { |
| 983 | document.getElementById('noVNC_clipboard') |
| 984 | .classList.remove("noVNC_open"); |
| 985 | document.getElementById('noVNC_clipboard_button') |
| 986 | .classList.remove("noVNC_selected"); |
| 987 | }, |
| 988 | |
| 989 | toggleClipboardPanel() { |
| 990 | if (document.getElementById('noVNC_clipboard') |
| 991 | .classList.contains("noVNC_open")) { |
| 992 | UI.closeClipboardPanel(); |
| 993 | } else { |
| 994 | UI.openClipboardPanel(); |
| 995 | } |
| 996 | }, |
| 997 | |
| 998 | clipboardReceive(e) { |
| 999 | Log.Debug(">> UI.clipboardReceive: " + e.detail.text.substr(0, 40) + "..."); |
| 1000 | document.getElementById('noVNC_clipboard_text').value = e.detail.text; |
| 1001 | Log.Debug("<< UI.clipboardReceive"); |
| 1002 | }, |
| 1003 | |
| 1004 | clipboardSend() { |
| 1005 | const text = document.getElementById('noVNC_clipboard_text').value; |
| 1006 | Log.Debug(">> UI.clipboardSend: " + text.substr(0, 40) + "..."); |
| 1007 | UI.rfb.clipboardPasteFrom(text); |
| 1008 | Log.Debug("<< UI.clipboardSend"); |
| 1009 | }, |
| 1010 | |
| 1011 | /* ------^------- |
| 1012 | * /CLIPBOARD |
| 1013 | * ============== |
| 1014 | * CONNECTION |
| 1015 | * ------v------*/ |
| 1016 | |
| 1017 | openConnectPanel() { |
| 1018 | document.getElementById('noVNC_connect_dlg') |
| 1019 | .classList.add("noVNC_open"); |
| 1020 | }, |
| 1021 | |
| 1022 | closeConnectPanel() { |
| 1023 | document.getElementById('noVNC_connect_dlg') |
| 1024 | .classList.remove("noVNC_open"); |
| 1025 | }, |
| 1026 | |
| 1027 | connect(event, password) { |
| 1028 | |
| 1029 | // Ignore when rfb already exists |
| 1030 | if (typeof UI.rfb !== 'undefined') { |
| 1031 | return; |
| 1032 | } |
| 1033 | |
| 1034 | const host = UI.getSetting('host'); |
| 1035 | const port = UI.getSetting('port'); |
| 1036 | const path = UI.getSetting('path'); |
| 1037 | |
| 1038 | if (typeof password === 'undefined') { |
| 1039 | password = WebUtil.getConfigVar('password'); |
| 1040 | UI.reconnectPassword = password; |
| 1041 | } |
| 1042 | |
| 1043 | if (password === null) { |
| 1044 | password = undefined; |
| 1045 | } |
| 1046 | |
| 1047 | UI.hideStatus(); |
| 1048 | |
| 1049 | if (!host) { |
| 1050 | Log.Error("Can't connect when host is: " + host); |
| 1051 | UI.showStatus(_("Must set host"), 'error'); |
| 1052 | return; |
| 1053 | } |
| 1054 | |
| 1055 | UI.closeConnectPanel(); |
| 1056 | |
| 1057 | UI.updateVisualState('connecting'); |
| 1058 | |
| 1059 | |
| 1060 | |
| 1061 | try { |
| 1062 | UI.rfb = new RFB(document.getElementById('noVNC_container'), urlargs.ws, |
| 1063 | { shared: UI.getSetting('shared'), |
| 1064 | repeaterID: UI.getSetting('repeaterID'), |
| 1065 | credentials: { password: password } }); |
| 1066 | } catch (exc) { |
| 1067 | Log.Error("Failed to connect to server: " + exc); |
| 1068 | UI.updateVisualState('disconnected'); |
| 1069 | UI.showStatus(_("Failed to connect to server: ") + exc, 'error'); |
| 1070 | return; |
| 1071 | } |
| 1072 | |
| 1073 | UI.rfb.addEventListener("connect", UI.connectFinished); |
| 1074 | UI.rfb.addEventListener("disconnect", UI.disconnectFinished); |
| 1075 | UI.rfb.addEventListener("serververification", UI.serverVerify); |
| 1076 | UI.rfb.addEventListener("credentialsrequired", UI.credentials); |
| 1077 | UI.rfb.addEventListener("securityfailure", UI.securityFailed); |
| 1078 | UI.rfb.addEventListener("clippingviewport", UI.updateViewDrag); |
| 1079 | UI.rfb.addEventListener("capabilities", UI.updatePowerButton); |
| 1080 | UI.rfb.addEventListener("clipboard", UI.clipboardReceive); |
| 1081 | UI.rfb.addEventListener("bell", UI.bell); |
| 1082 | UI.rfb.addEventListener("desktopname", UI.updateDesktopName); |
| 1083 | UI.rfb.clipViewport = UI.getSetting('view_clip'); |
| 1084 | UI.rfb.scaleViewport = UI.getSetting('resize') === 'scale'; |
| 1085 | UI.rfb.resizeSession = UI.getSetting('resize') === 'remote'; |
| 1086 | UI.rfb.qualityLevel = parseInt(UI.getSetting('quality')); |
| 1087 | UI.rfb.compressionLevel = parseInt(UI.getSetting('compression')); |
| 1088 | UI.rfb.showDotCursor = UI.getSetting('show_dot'); |
| 1089 | |
| 1090 | UI.updateViewOnly(); // requires UI.rfb |
| 1091 | }, |
| 1092 | |
| 1093 | disconnect() { |
| 1094 | UI.rfb.disconnect(); |
| 1095 | |
| 1096 | UI.connected = false; |
| 1097 | |
| 1098 | // Disable automatic reconnecting |
| 1099 | UI.inhibitReconnect = true; |
| 1100 | |
| 1101 | UI.updateVisualState('disconnecting'); |
| 1102 | |
| 1103 | // Don't display the connection settings until we're actually disconnected |
| 1104 | }, |
| 1105 | |
| 1106 | reconnect() { |
| 1107 | UI.reconnectCallback = null; |
| 1108 | |
| 1109 | // if reconnect has been disabled in the meantime, do nothing. |
| 1110 | if (UI.inhibitReconnect) { |
| 1111 | return; |
| 1112 | } |
| 1113 | |
| 1114 | UI.connect(null, UI.reconnectPassword); |
| 1115 | }, |
| 1116 | |
| 1117 | cancelReconnect() { |
| 1118 | if (UI.reconnectCallback !== null) { |
| 1119 | clearTimeout(UI.reconnectCallback); |
| 1120 | UI.reconnectCallback = null; |
| 1121 | } |
| 1122 | |
| 1123 | UI.updateVisualState('disconnected'); |
| 1124 | |
| 1125 | UI.openControlbar(); |
| 1126 | UI.openConnectPanel(); |
| 1127 | }, |
| 1128 | |
| 1129 | connectFinished(e) { |
| 1130 | UI.connected = true; |
| 1131 | UI.inhibitReconnect = false; |
| 1132 | |
| 1133 | let msg; |
| 1134 | if (UI.getSetting('encrypt')) { |
| 1135 | msg = _("Connected (encrypted) to ") + UI.desktopName; |
| 1136 | } else { |
| 1137 | msg = _("Connected (unencrypted) to ") + UI.desktopName; |
| 1138 | } |
| 1139 | UI.showStatus(msg); |
| 1140 | UI.updateVisualState('connected'); |
| 1141 | |
| 1142 | // Do this last because it can only be used on rendered elements |
| 1143 | UI.rfb.focus(); |
| 1144 | }, |
| 1145 | |
| 1146 | disconnectFinished(e) { |
| 1147 | const wasConnected = UI.connected; |
| 1148 | |
| 1149 | // This variable is ideally set when disconnection starts, but |
| 1150 | // when the disconnection isn't clean or if it is initiated by |
| 1151 | // the server, we need to do it here as well since |
| 1152 | // UI.disconnect() won't be used in those cases. |
| 1153 | UI.connected = false; |
| 1154 | |
| 1155 | UI.rfb = undefined; |
| 1156 | |
| 1157 | if (!e.detail.clean) { |
| 1158 | UI.updateVisualState('disconnected'); |
| 1159 | if (wasConnected) { |
| 1160 | UI.showStatus(_("Something went wrong, connection is closed"), |
| 1161 | 'error'); |
| 1162 | } else { |
| 1163 | UI.showStatus(_("Failed to connect to server"), 'error'); |
| 1164 | } |
| 1165 | } |
| 1166 | // If reconnecting is allowed process it now |
| 1167 | if (UI.getSetting('reconnect', false) === true && !UI.inhibitReconnect) { |
| 1168 | UI.updateVisualState('reconnecting'); |
| 1169 | |
| 1170 | const delay = parseInt(UI.getSetting('reconnect_delay')); |
| 1171 | UI.reconnectCallback = setTimeout(UI.reconnect, delay); |
| 1172 | return; |
| 1173 | } else { |
| 1174 | UI.updateVisualState('disconnected'); |
| 1175 | UI.showStatus(_("Disconnected"), 'normal'); |
| 1176 | } |
| 1177 | |
| 1178 | document.title = PAGE_TITLE; |
| 1179 | |
| 1180 | UI.openControlbar(); |
| 1181 | UI.openConnectPanel(); |
| 1182 | }, |
| 1183 | |
| 1184 | securityFailed(e) { |
| 1185 | let msg = ""; |
| 1186 | // On security failures we might get a string with a reason |
| 1187 | // directly from the server. Note that we can't control if |
| 1188 | // this string is translated or not. |
| 1189 | if ('reason' in e.detail) { |
| 1190 | msg = _("New connection has been rejected with reason: ") + |
| 1191 | e.detail.reason; |
| 1192 | } else { |
| 1193 | msg = _("New connection has been rejected"); |
| 1194 | } |
| 1195 | UI.showStatus(msg, 'error'); |
| 1196 | }, |
| 1197 | |
| 1198 | /* ------^------- |
| 1199 | * /CONNECTION |
| 1200 | * ============== |
| 1201 | * SERVER VERIFY |
| 1202 | * ------v------*/ |
| 1203 | |
| 1204 | async serverVerify(e) { |
| 1205 | const type = e.detail.type; |
| 1206 | if (type === 'RSA') { |
| 1207 | const publickey = e.detail.publickey; |
| 1208 | let fingerprint = await window.crypto.subtle.digest("SHA-1", publickey); |
| 1209 | // The same fingerprint format as RealVNC |
| 1210 | fingerprint = Array.from(new Uint8Array(fingerprint).slice(0, 8)).map( |
| 1211 | x => x.toString(16).padStart(2, '0')).join('-'); |
| 1212 | document.getElementById('noVNC_verify_server_dlg').classList.add('noVNC_open'); |
| 1213 | document.getElementById('noVNC_fingerprint').innerHTML = fingerprint; |
| 1214 | } |
| 1215 | }, |
| 1216 | |
| 1217 | approveServer(e) { |
| 1218 | e.preventDefault(); |
| 1219 | document.getElementById('noVNC_verify_server_dlg').classList.remove('noVNC_open'); |
| 1220 | UI.rfb.approveServer(); |
| 1221 | }, |
| 1222 | |
| 1223 | rejectServer(e) { |
| 1224 | e.preventDefault(); |
| 1225 | document.getElementById('noVNC_verify_server_dlg').classList.remove('noVNC_open'); |
| 1226 | UI.disconnect(); |
| 1227 | }, |
| 1228 | |
| 1229 | /* ------^------- |
| 1230 | * /SERVER VERIFY |
| 1231 | * ============== |
| 1232 | * PASSWORD |
| 1233 | * ------v------*/ |
| 1234 | |
| 1235 | credentials(e) { |
| 1236 | // FIXME: handle more types |
| 1237 | |
| 1238 | document.getElementById("noVNC_username_block").classList.remove("noVNC_hidden"); |
| 1239 | document.getElementById("noVNC_password_block").classList.remove("noVNC_hidden"); |
| 1240 | |
| 1241 | let inputFocus = "none"; |
| 1242 | if (e.detail.types.indexOf("username") === -1) { |
| 1243 | document.getElementById("noVNC_username_block").classList.add("noVNC_hidden"); |
| 1244 | } else { |
| 1245 | inputFocus = inputFocus === "none" ? "noVNC_username_input" : inputFocus; |
| 1246 | } |
| 1247 | if (e.detail.types.indexOf("password") === -1) { |
| 1248 | document.getElementById("noVNC_password_block").classList.add("noVNC_hidden"); |
| 1249 | } else { |
| 1250 | inputFocus = inputFocus === "none" ? "noVNC_password_input" : inputFocus; |
| 1251 | } |
| 1252 | document.getElementById('noVNC_credentials_dlg') |
| 1253 | .classList.add('noVNC_open'); |
| 1254 | |
| 1255 | setTimeout(() => document |
| 1256 | .getElementById(inputFocus).focus(), 100); |
| 1257 | |
| 1258 | Log.Warn("Server asked for credentials"); |
| 1259 | UI.showStatus(_("Credentials are required"), "warning"); |
| 1260 | }, |
| 1261 | |
| 1262 | setCredentials(e) { |
| 1263 | // Prevent actually submitting the form |
| 1264 | e.preventDefault(); |
| 1265 | |
| 1266 | let inputElemUsername = document.getElementById('noVNC_username_input'); |
| 1267 | const username = inputElemUsername.value; |
| 1268 | |
| 1269 | let inputElemPassword = document.getElementById('noVNC_password_input'); |
| 1270 | const password = inputElemPassword.value; |
| 1271 | // Clear the input after reading the password |
| 1272 | inputElemPassword.value = ""; |
| 1273 | |
| 1274 | UI.rfb.sendCredentials({ username: username, password: password }); |
| 1275 | UI.reconnectPassword = password; |
| 1276 | document.getElementById('noVNC_credentials_dlg') |
| 1277 | .classList.remove('noVNC_open'); |
| 1278 | }, |
| 1279 | |
| 1280 | /* ------^------- |
| 1281 | * /PASSWORD |
| 1282 | * ============== |
| 1283 | * FULLSCREEN |
| 1284 | * ------v------*/ |
| 1285 | |
| 1286 | toggleFullscreen() { |
| 1287 | if (document.fullscreenElement || // alternative standard method |
| 1288 | document.mozFullScreenElement || // currently working methods |
| 1289 | document.webkitFullscreenElement || |
| 1290 | document.msFullscreenElement) { |
| 1291 | if (document.exitFullscreen) { |
| 1292 | document.exitFullscreen(); |
| 1293 | } else if (document.mozCancelFullScreen) { |
| 1294 | document.mozCancelFullScreen(); |
| 1295 | } else if (document.webkitExitFullscreen) { |
| 1296 | document.webkitExitFullscreen(); |
| 1297 | } else if (document.msExitFullscreen) { |
| 1298 | document.msExitFullscreen(); |
| 1299 | } |
| 1300 | } else { |
| 1301 | if (document.documentElement.requestFullscreen) { |
| 1302 | document.documentElement.requestFullscreen(); |
| 1303 | } else if (document.documentElement.mozRequestFullScreen) { |
| 1304 | document.documentElement.mozRequestFullScreen(); |
| 1305 | } else if (document.documentElement.webkitRequestFullscreen) { |
| 1306 | document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT); |
| 1307 | } else if (document.body.msRequestFullscreen) { |
| 1308 | document.body.msRequestFullscreen(); |
| 1309 | } |
| 1310 | } |
| 1311 | UI.updateFullscreenButton(); |
| 1312 | }, |
| 1313 | |
| 1314 | updateFullscreenButton() { |
| 1315 | if (document.fullscreenElement || // alternative standard method |
| 1316 | document.mozFullScreenElement || // currently working methods |
| 1317 | document.webkitFullscreenElement || |
| 1318 | document.msFullscreenElement ) { |
| 1319 | document.getElementById('noVNC_fullscreen_button') |
| 1320 | .classList.add("noVNC_selected"); |
| 1321 | } else { |
| 1322 | document.getElementById('noVNC_fullscreen_button') |
| 1323 | .classList.remove("noVNC_selected"); |
| 1324 | } |
| 1325 | }, |
| 1326 | |
| 1327 | /* ------^------- |
| 1328 | * /FULLSCREEN |
| 1329 | * ============== |
| 1330 | * RESIZE |
| 1331 | * ------v------*/ |
| 1332 | |
| 1333 | // Apply remote resizing or local scaling |
| 1334 | applyResizeMode() { |
| 1335 | if (!UI.rfb) return; |
| 1336 | |
| 1337 | UI.rfb.scaleViewport = UI.getSetting('resize') === 'scale'; |
| 1338 | UI.rfb.resizeSession = UI.getSetting('resize') === 'remote'; |
| 1339 | }, |
| 1340 | |
| 1341 | /* ------^------- |
| 1342 | * /RESIZE |
| 1343 | * ============== |
| 1344 | * VIEW CLIPPING |
| 1345 | * ------v------*/ |
| 1346 | |
| 1347 | // Update viewport clipping property for the connection. The normal |
| 1348 | // case is to get the value from the setting. There are special cases |
| 1349 | // for when the viewport is scaled or when a touch device is used. |
| 1350 | updateViewClip() { |
| 1351 | if (!UI.rfb) return; |
| 1352 | |
| 1353 | const scaling = UI.getSetting('resize') === 'scale'; |
| 1354 | |
| 1355 | // Some platforms have overlay scrollbars that are difficult |
| 1356 | // to use in our case, which means we have to force panning |
| 1357 | // FIXME: Working scrollbars can still be annoying to use with |
| 1358 | // touch, so we should ideally be able to have both |
| 1359 | // panning and scrollbars at the same time |
| 1360 | |
| 1361 | let brokenScrollbars = false; |
| 1362 | |
| 1363 | if (!hasScrollbarGutter) { |
| 1364 | if (isIOS() || isAndroid() || isMac() || isChromeOS()) { |
| 1365 | brokenScrollbars = true; |
| 1366 | } |
| 1367 | } |
| 1368 | |
| 1369 | if (scaling) { |
| 1370 | // Can't be clipping if viewport is scaled to fit |
| 1371 | UI.forceSetting('view_clip', false); |
| 1372 | UI.rfb.clipViewport = false; |
| 1373 | } else if (brokenScrollbars) { |
| 1374 | UI.forceSetting('view_clip', true); |
| 1375 | UI.rfb.clipViewport = true; |
| 1376 | } else { |
| 1377 | UI.enableSetting('view_clip'); |
| 1378 | UI.rfb.clipViewport = UI.getSetting('view_clip'); |
| 1379 | } |
| 1380 | |
| 1381 | // Changing the viewport may change the state of |
| 1382 | // the dragging button |
| 1383 | UI.updateViewDrag(); |
| 1384 | }, |
| 1385 | |
| 1386 | /* ------^------- |
| 1387 | * /VIEW CLIPPING |
| 1388 | * ============== |
| 1389 | * VIEWDRAG |
| 1390 | * ------v------*/ |
| 1391 | |
| 1392 | toggleViewDrag() { |
| 1393 | if (!UI.rfb) return; |
| 1394 | |
| 1395 | UI.rfb.dragViewport = !UI.rfb.dragViewport; |
| 1396 | UI.updateViewDrag(); |
| 1397 | }, |
| 1398 | |
| 1399 | updateViewDrag() { |
| 1400 | if (!UI.connected) return; |
| 1401 | |
| 1402 | const viewDragButton = document.getElementById('noVNC_view_drag_button'); |
| 1403 | |
| 1404 | if ((!UI.rfb.clipViewport || !UI.rfb.clippingViewport) && |
| 1405 | UI.rfb.dragViewport) { |
| 1406 | // We are no longer clipping the viewport. Make sure |
| 1407 | // viewport drag isn't active when it can't be used. |
| 1408 | UI.rfb.dragViewport = false; |
| 1409 | } |
| 1410 | |
| 1411 | if (UI.rfb.dragViewport) { |
| 1412 | viewDragButton.classList.add("noVNC_selected"); |
| 1413 | } else { |
| 1414 | viewDragButton.classList.remove("noVNC_selected"); |
| 1415 | } |
| 1416 | |
| 1417 | if (UI.rfb.clipViewport) { |
| 1418 | viewDragButton.classList.remove("noVNC_hidden"); |
| 1419 | } else { |
| 1420 | viewDragButton.classList.add("noVNC_hidden"); |
| 1421 | } |
| 1422 | |
| 1423 | viewDragButton.disabled = !UI.rfb.clippingViewport; |
| 1424 | }, |
| 1425 | |
| 1426 | /* ------^------- |
| 1427 | * /VIEWDRAG |
| 1428 | * ============== |
| 1429 | * QUALITY |
| 1430 | * ------v------*/ |
| 1431 | |
| 1432 | updateQuality() { |
| 1433 | if (!UI.rfb) return; |
| 1434 | |
| 1435 | UI.rfb.qualityLevel = parseInt(UI.getSetting('quality')); |
| 1436 | }, |
| 1437 | |
| 1438 | /* ------^------- |
| 1439 | * /QUALITY |
| 1440 | * ============== |
| 1441 | * COMPRESSION |
| 1442 | * ------v------*/ |
| 1443 | |
| 1444 | updateCompression() { |
| 1445 | if (!UI.rfb) return; |
| 1446 | |
| 1447 | UI.rfb.compressionLevel = parseInt(UI.getSetting('compression')); |
| 1448 | }, |
| 1449 | |
| 1450 | /* ------^------- |
| 1451 | * /COMPRESSION |
| 1452 | * ============== |
| 1453 | * KEYBOARD |
| 1454 | * ------v------*/ |
| 1455 | |
| 1456 | showVirtualKeyboard() { |
| 1457 | if (!isTouchDevice) return; |
| 1458 | |
| 1459 | const input = document.getElementById('noVNC_keyboardinput'); |
| 1460 | |
| 1461 | if (document.activeElement == input) return; |
| 1462 | |
| 1463 | input.focus(); |
| 1464 | |
| 1465 | try { |
| 1466 | const l = input.value.length; |
| 1467 | // Move the caret to the end |
| 1468 | input.setSelectionRange(l, l); |
| 1469 | } catch (err) { |
| 1470 | // setSelectionRange is undefined in Google Chrome |
| 1471 | } |
| 1472 | }, |
| 1473 | |
| 1474 | hideVirtualKeyboard() { |
| 1475 | if (!isTouchDevice) return; |
| 1476 | |
| 1477 | const input = document.getElementById('noVNC_keyboardinput'); |
| 1478 | |
| 1479 | if (document.activeElement != input) return; |
| 1480 | |
| 1481 | input.blur(); |
| 1482 | }, |
| 1483 | |
| 1484 | toggleVirtualKeyboard() { |
| 1485 | if (document.getElementById('noVNC_keyboard_button') |
| 1486 | .classList.contains("noVNC_selected")) { |
| 1487 | UI.hideVirtualKeyboard(); |
| 1488 | } else { |
| 1489 | UI.showVirtualKeyboard(); |
| 1490 | } |
| 1491 | }, |
| 1492 | |
| 1493 | onfocusVirtualKeyboard(event) { |
| 1494 | document.getElementById('noVNC_keyboard_button') |
| 1495 | .classList.add("noVNC_selected"); |
| 1496 | if (UI.rfb) { |
| 1497 | UI.rfb.focusOnClick = false; |
| 1498 | } |
| 1499 | }, |
| 1500 | |
| 1501 | onblurVirtualKeyboard(event) { |
| 1502 | document.getElementById('noVNC_keyboard_button') |
| 1503 | .classList.remove("noVNC_selected"); |
| 1504 | if (UI.rfb) { |
| 1505 | UI.rfb.focusOnClick = true; |
| 1506 | } |
| 1507 | }, |
| 1508 | |
| 1509 | keepVirtualKeyboard(event) { |
| 1510 | const input = document.getElementById('noVNC_keyboardinput'); |
| 1511 | |
| 1512 | // Only prevent focus change if the virtual keyboard is active |
| 1513 | if (document.activeElement != input) { |
| 1514 | return; |
| 1515 | } |
| 1516 | |
| 1517 | // Only allow focus to move to other elements that need |
| 1518 | // focus to function properly |
| 1519 | if (event.target.form !== undefined) { |
| 1520 | switch (event.target.type) { |
| 1521 | case 'text': |
| 1522 | case 'email': |
| 1523 | case 'search': |
| 1524 | case 'password': |
| 1525 | case 'tel': |
| 1526 | case 'url': |
| 1527 | case 'textarea': |
| 1528 | case 'select-one': |
| 1529 | case 'select-multiple': |
| 1530 | return; |
| 1531 | } |
| 1532 | } |
| 1533 | |
| 1534 | event.preventDefault(); |
| 1535 | }, |
| 1536 | |
| 1537 | keyboardinputReset() { |
| 1538 | const kbi = document.getElementById('noVNC_keyboardinput'); |
| 1539 | kbi.value = new Array(UI.defaultKeyboardinputLen).join("_"); |
| 1540 | UI.lastKeyboardinput = kbi.value; |
| 1541 | }, |
| 1542 | |
| 1543 | keyEvent(keysym, code, down) { |
| 1544 | if (!UI.rfb) return; |
| 1545 | |
| 1546 | UI.rfb.sendKey(keysym, code, down); |
| 1547 | }, |
| 1548 | |
| 1549 | // When normal keyboard events are left uncought, use the input events from |
| 1550 | // the keyboardinput element instead and generate the corresponding key events. |
| 1551 | // This code is required since some browsers on Android are inconsistent in |
| 1552 | // sending keyCodes in the normal keyboard events when using on screen keyboards. |
| 1553 | keyInput(event) { |
| 1554 | |
| 1555 | if (!UI.rfb) return; |
| 1556 | |
| 1557 | const newValue = event.target.value; |
| 1558 | |
| 1559 | if (!UI.lastKeyboardinput) { |
| 1560 | UI.keyboardinputReset(); |
| 1561 | } |
| 1562 | const oldValue = UI.lastKeyboardinput; |
| 1563 | |
| 1564 | let newLen; |
| 1565 | try { |
| 1566 | // Try to check caret position since whitespace at the end |
| 1567 | // will not be considered by value.length in some browsers |
| 1568 | newLen = Math.max(event.target.selectionStart, newValue.length); |
| 1569 | } catch (err) { |
| 1570 | // selectionStart is undefined in Google Chrome |
| 1571 | newLen = newValue.length; |
| 1572 | } |
| 1573 | const oldLen = oldValue.length; |
| 1574 | |
| 1575 | let inputs = newLen - oldLen; |
| 1576 | let backspaces = inputs < 0 ? -inputs : 0; |
| 1577 | |
| 1578 | // Compare the old string with the new to account for |
| 1579 | // text-corrections or other input that modify existing text |
| 1580 | for (let i = 0; i < Math.min(oldLen, newLen); i++) { |
| 1581 | if (newValue.charAt(i) != oldValue.charAt(i)) { |
| 1582 | inputs = newLen - i; |
| 1583 | backspaces = oldLen - i; |
| 1584 | break; |
| 1585 | } |
| 1586 | } |
| 1587 | |
| 1588 | // Send the key events |
| 1589 | for (let i = 0; i < backspaces; i++) { |
| 1590 | UI.rfb.sendKey(KeyTable.XK_BackSpace, "Backspace"); |
| 1591 | } |
| 1592 | for (let i = newLen - inputs; i < newLen; i++) { |
| 1593 | UI.rfb.sendKey(keysyms.lookup(newValue.charCodeAt(i))); |
| 1594 | } |
| 1595 | |
| 1596 | // Control the text content length in the keyboardinput element |
| 1597 | if (newLen > 2 * UI.defaultKeyboardinputLen) { |
| 1598 | UI.keyboardinputReset(); |
| 1599 | } else if (newLen < 1) { |
| 1600 | // There always have to be some text in the keyboardinput |
| 1601 | // element with which backspace can interact. |
| 1602 | UI.keyboardinputReset(); |
| 1603 | // This sometimes causes the keyboard to disappear for a second |
| 1604 | // but it is required for the android keyboard to recognize that |
| 1605 | // text has been added to the field |
| 1606 | event.target.blur(); |
| 1607 | // This has to be ran outside of the input handler in order to work |
| 1608 | setTimeout(event.target.focus.bind(event.target), 0); |
| 1609 | } else { |
| 1610 | UI.lastKeyboardinput = newValue; |
| 1611 | } |
| 1612 | }, |
| 1613 | |
| 1614 | /* ------^------- |
| 1615 | * /KEYBOARD |
| 1616 | * ============== |
| 1617 | * EXTRA KEYS |
| 1618 | * ------v------*/ |
| 1619 | |
| 1620 | openExtraKeys() { |
| 1621 | UI.closeAllPanels(); |
| 1622 | UI.openControlbar(); |
| 1623 | |
| 1624 | document.getElementById('noVNC_modifiers') |
| 1625 | .classList.add("noVNC_open"); |
| 1626 | document.getElementById('noVNC_toggle_extra_keys_button') |
| 1627 | .classList.add("noVNC_selected"); |
| 1628 | }, |
| 1629 | |
| 1630 | closeExtraKeys() { |
| 1631 | document.getElementById('noVNC_modifiers') |
| 1632 | .classList.remove("noVNC_open"); |
| 1633 | document.getElementById('noVNC_toggle_extra_keys_button') |
| 1634 | .classList.remove("noVNC_selected"); |
| 1635 | }, |
| 1636 | |
| 1637 | toggleExtraKeys() { |
| 1638 | if (document.getElementById('noVNC_modifiers') |
| 1639 | .classList.contains("noVNC_open")) { |
| 1640 | UI.closeExtraKeys(); |
| 1641 | } else { |
| 1642 | UI.openExtraKeys(); |
| 1643 | } |
| 1644 | }, |
| 1645 | |
| 1646 | sendEsc() { |
| 1647 | UI.sendKey(KeyTable.XK_Escape, "Escape"); |
| 1648 | }, |
| 1649 | |
| 1650 | sendTab() { |
| 1651 | UI.sendKey(KeyTable.XK_Tab, "Tab"); |
| 1652 | }, |
| 1653 | |
| 1654 | toggleCtrl() { |
| 1655 | const btn = document.getElementById('noVNC_toggle_ctrl_button'); |
| 1656 | if (btn.classList.contains("noVNC_selected")) { |
| 1657 | UI.sendKey(KeyTable.XK_Control_L, "ControlLeft", false); |
| 1658 | btn.classList.remove("noVNC_selected"); |
| 1659 | } else { |
| 1660 | UI.sendKey(KeyTable.XK_Control_L, "ControlLeft", true); |
| 1661 | btn.classList.add("noVNC_selected"); |
| 1662 | } |
| 1663 | }, |
| 1664 | |
| 1665 | toggleWindows() { |
| 1666 | const btn = document.getElementById('noVNC_toggle_windows_button'); |
| 1667 | if (btn.classList.contains("noVNC_selected")) { |
| 1668 | UI.sendKey(KeyTable.XK_Super_L, "MetaLeft", false); |
| 1669 | btn.classList.remove("noVNC_selected"); |
| 1670 | } else { |
| 1671 | UI.sendKey(KeyTable.XK_Super_L, "MetaLeft", true); |
| 1672 | btn.classList.add("noVNC_selected"); |
| 1673 | } |
| 1674 | }, |
| 1675 | |
| 1676 | toggleAlt() { |
| 1677 | const btn = document.getElementById('noVNC_toggle_alt_button'); |
| 1678 | if (btn.classList.contains("noVNC_selected")) { |
| 1679 | UI.sendKey(KeyTable.XK_Alt_L, "AltLeft", false); |
| 1680 | btn.classList.remove("noVNC_selected"); |
| 1681 | } else { |
| 1682 | UI.sendKey(KeyTable.XK_Alt_L, "AltLeft", true); |
| 1683 | btn.classList.add("noVNC_selected"); |
| 1684 | } |
| 1685 | }, |
| 1686 | |
| 1687 | sendCtrlAltDel() { |
| 1688 | UI.rfb.sendCtrlAltDel(); |
| 1689 | // See below |
| 1690 | UI.rfb.focus(); |
| 1691 | UI.idleControlbar(); |
| 1692 | }, |
| 1693 | |
| 1694 | sendKey(keysym, code, down) { |
| 1695 | UI.rfb.sendKey(keysym, code, down); |
| 1696 | |
| 1697 | // Move focus to the screen in order to be able to use the |
| 1698 | // keyboard right after these extra keys. |
| 1699 | // The exception is when a virtual keyboard is used, because |
| 1700 | // if we focus the screen the virtual keyboard would be closed. |
| 1701 | // In this case we focus our special virtual keyboard input |
| 1702 | // element instead. |
| 1703 | if (document.getElementById('noVNC_keyboard_button') |
| 1704 | .classList.contains("noVNC_selected")) { |
| 1705 | document.getElementById('noVNC_keyboardinput').focus(); |
| 1706 | } else { |
| 1707 | UI.rfb.focus(); |
| 1708 | } |
| 1709 | // fade out the controlbar to highlight that |
| 1710 | // the focus has been moved to the screen |
| 1711 | UI.idleControlbar(); |
| 1712 | }, |
| 1713 | |
| 1714 | /* ------^------- |
| 1715 | * /EXTRA KEYS |
| 1716 | * ============== |
| 1717 | * MISC |
| 1718 | * ------v------*/ |
| 1719 | |
| 1720 | updateViewOnly() { |
| 1721 | if (!UI.rfb) return; |
| 1722 | UI.rfb.viewOnly = UI.getSetting('view_only'); |
| 1723 | |
| 1724 | // Hide input related buttons in view only mode |
| 1725 | if (UI.rfb.viewOnly) { |
| 1726 | document.getElementById('noVNC_keyboard_button') |
| 1727 | .classList.add('noVNC_hidden'); |
| 1728 | document.getElementById('noVNC_toggle_extra_keys_button') |
| 1729 | .classList.add('noVNC_hidden'); |
| 1730 | document.getElementById('noVNC_clipboard_button') |
| 1731 | .classList.add('noVNC_hidden'); |
| 1732 | } else { |
| 1733 | document.getElementById('noVNC_keyboard_button') |
| 1734 | .classList.remove('noVNC_hidden'); |
| 1735 | document.getElementById('noVNC_toggle_extra_keys_button') |
| 1736 | .classList.remove('noVNC_hidden'); |
| 1737 | document.getElementById('noVNC_clipboard_button') |
| 1738 | .classList.remove('noVNC_hidden'); |
| 1739 | } |
| 1740 | }, |
| 1741 | |
| 1742 | updateShowDotCursor() { |
| 1743 | if (!UI.rfb) return; |
| 1744 | UI.rfb.showDotCursor = UI.getSetting('show_dot'); |
| 1745 | }, |
| 1746 | |
| 1747 | updateLogging() { |
| 1748 | WebUtil.initLogging(UI.getSetting('logging')); |
| 1749 | }, |
| 1750 | |
| 1751 | updateDesktopName(e) { |
| 1752 | UI.desktopName = e.detail.name; |
| 1753 | // Display the desktop name in the document title |
| 1754 | document.title = e.detail.name + " - " + PAGE_TITLE; |
| 1755 | }, |
| 1756 | |
| 1757 | bell(e) { |
| 1758 | if (WebUtil.getConfigVar('bell', 'on') === 'on') { |
| 1759 | const promise = document.getElementById('noVNC_bell').play(); |
| 1760 | // The standards disagree on the return value here |
| 1761 | if (promise) { |
| 1762 | promise.catch((e) => { |
| 1763 | if (e.name === "NotAllowedError") { |
| 1764 | // Ignore when the browser doesn't let us play audio. |
| 1765 | // It is common that the browsers require audio to be |
| 1766 | // initiated from a user action. |
| 1767 | } else { |
| 1768 | Log.Error("Unable to play bell: " + e); |
| 1769 | } |
| 1770 | }); |
| 1771 | } |
| 1772 | } |
| 1773 | }, |
| 1774 | |
| 1775 | //Helper to add options to dropdown. |
| 1776 | addOption(selectbox, text, value) { |
| 1777 | const optn = document.createElement("OPTION"); |
| 1778 | optn.text = text; |
| 1779 | optn.value = value; |
| 1780 | selectbox.options.add(optn); |
| 1781 | }, |
| 1782 | |
| 1783 | /* ------^------- |
| 1784 | * /MISC |
| 1785 | * ============== |
| 1786 | */ |
| 1787 | }; |
| 1788 | |
| 1789 | // Set up translations |
| 1790 | const LINGUAS = ["cs", "de", "el", "es", "fr", "it", "ja", "ko", "nl", "pl", "pt_BR", "ru", "sv", "tr", "zh_CN", "zh_TW"]; |
| 1791 | l10n.setup(LINGUAS, "app/locale/") |
| 1792 | .catch(err => Log.Error("Failed to load translations: " + err)) |
| 1793 | .then(UI.prime); |
| 1794 | |
| 1795 | export default UI; |