1653 lines
61 KiB
JavaScript
1653 lines
61 KiB
JavaScript
/*
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* noVNC: HTML5 VNC client
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* Copyright (C) 2012 Joel Martin
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* Copyright (C) 2016 Samuel Mannehed for Cendio AB
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* Copyright (C) 2016 Pierre Ossman for Cendio AB
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* Licensed under MPL 2.0 (see LICENSE.txt)
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*
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* See README.md for usage and integration instructions.
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*/
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/* jslint white: false, browser: true */
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/* global window, document.getElementById, Util, WebUtil, RFB, Display */
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/* [module]
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* import Util from "../core/util";
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* import KeyTable from "../core/input/keysym";
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* import keysyms from "./keysymdef";
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* import RFB from "../core/rfb";
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* import Display from "../core/display";
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* import WebUtil from "./webutil";
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*/
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var UI;
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(function () {
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"use strict";
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// Fallback for all uncought errors
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window.addEventListener('error', function(msg, url, line) {
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try {
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document.getElementById('noVNC_fallback_error')
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.classList.add("noVNC_open");
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document.getElementById('noVNC_fallback_errormsg').innerHTML =
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url + ' (' + line + ') <br><br>' + msg;
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} catch (exc) {
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document.write("noVNC encountered an error.");
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}
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// Don't return true since this would prevent the error
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// from being printed to the browser console.
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return false;
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});
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// Set up translations
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var LINGUAS = ["de", "el", "nl", "sv"];
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Util.Localisation.setup(LINGUAS);
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if (Util.Localisation.language !== "en") {
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WebUtil.load_scripts(
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{'app': ["locale/" + Util.Localisation.language + ".js"]});
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}
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/* [begin skip-as-module] */
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// Load supporting scripts
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WebUtil.load_scripts(
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{'core': ["base64.js", "websock.js", "des.js", "input/keysymdef.js",
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"input/xtscancodes.js", "input/util.js", "input/devices.js",
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"display.js", "inflator.js", "rfb.js", "input/keysym.js"]});
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window.onscriptsload = function () { UI.load(); };
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/* [end skip-as-module] */
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var _ = Util.Localisation.get;
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UI = {
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connected: false,
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desktopName: "",
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resizeTimeout: null,
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statusTimeout: null,
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hideKeyboardTimeout: null,
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idleControlbarTimeout: null,
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closeControlbarTimeout: null,
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controlbarGrabbed: false,
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controlbarDrag: false,
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controlbarMouseDownClientY: 0,
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controlbarMouseDownOffsetY: 0,
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isSafari: false,
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rememberedClipSetting: null,
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lastKeyboardinput: null,
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defaultKeyboardinputLen: 100,
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// Setup rfb object, load settings from browser storage, then call
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// UI.init to setup the UI/menus
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load: function(callback) {
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WebUtil.initSettings(UI.start, callback);
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},
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// Render default UI and initialize settings menu
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start: function(callback) {
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// Setup global variables first
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UI.isSafari = (navigator.userAgent.indexOf('Safari') !== -1 &&
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navigator.userAgent.indexOf('Chrome') === -1);
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UI.initSettings();
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// Translate the DOM
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Util.Localisation.translateDOM();
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// Adapt the interface for touch screen devices
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if (Util.isTouchDevice) {
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document.documentElement.classList.add("noVNC_touch");
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// Remove the address bar
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setTimeout(function() { window.scrollTo(0, 1); }, 100);
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UI.forceSetting('clip', true);
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} else {
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UI.initSetting('clip', false);
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}
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// Setup and initialize event handlers
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UI.setupWindowEvents();
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UI.setupFullscreen();
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UI.addControlbarHandlers();
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UI.addTouchSpecificHandlers();
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UI.addExtraKeysHandlers();
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UI.addXvpHandlers();
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UI.addConnectionControlHandlers();
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UI.addClipboardHandlers();
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UI.addSettingsHandlers();
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// Show the connect panel on first load unless autoconnecting
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if (!autoconnect) {
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UI.openConnectPanel();
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}
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UI.updateViewClip();
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UI.updateVisualState();
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document.getElementById('noVNC_setting_host').focus();
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var autoconnect = WebUtil.getConfigVar('autoconnect', false);
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if (autoconnect === 'true' || autoconnect == '1') {
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autoconnect = true;
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UI.connect();
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} else {
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autoconnect = false;
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}
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if (typeof callback === "function") {
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callback(UI.rfb);
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}
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},
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initSettings: function() {
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// Stylesheet selection dropdown
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var sheet = WebUtil.selectStylesheet();
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var sheets = WebUtil.getStylesheets();
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var i;
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for (i = 0; i < sheets.length; i += 1) {
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UI.addOption(document.getElementById('noVNC_setting_stylesheet'),sheets[i].title, sheets[i].title);
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}
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// Logging selection dropdown
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var llevels = ['error', 'warn', 'info', 'debug'];
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for (i = 0; i < llevels.length; i += 1) {
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UI.addOption(document.getElementById('noVNC_setting_logging'),llevels[i], llevels[i]);
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}
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// Settings with immediate effects
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UI.initSetting('logging', 'warn');
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WebUtil.init_logging(UI.getSetting('logging'));
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UI.initSetting('stylesheet', 'default');
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WebUtil.selectStylesheet(null);
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// call twice to get around webkit bug
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WebUtil.selectStylesheet(UI.getSetting('stylesheet'));
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// if port == 80 (or 443) then it won't be present and should be
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// set manually
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var port = window.location.port;
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if (!port) {
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if (window.location.protocol.substring(0,5) == 'https') {
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port = 443;
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}
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else if (window.location.protocol.substring(0,4) == 'http') {
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port = 80;
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}
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}
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/* Populate the controls if defaults are provided in the URL */
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UI.initSetting('host', window.location.hostname);
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UI.initSetting('port', port);
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UI.initSetting('password', '');
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UI.initSetting('encrypt', (window.location.protocol === "https:"));
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UI.initSetting('true_color', true);
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UI.initSetting('cursor', !Util.isTouchDevice);
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UI.initSetting('resize', 'off');
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UI.initSetting('shared', true);
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UI.initSetting('view_only', false);
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UI.initSetting('path', 'websockify');
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UI.initSetting('repeaterID', '');
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UI.initSetting('token', '');
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},
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setupWindowEvents: function() {
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window.addEventListener('resize', UI.applyResizeMode);
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window.addEventListener('resize', UI.updateViewClip);
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window.addEventListener('resize', UI.updateViewDrag);
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document.getElementById("noVNC_status")
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.addEventListener('click', UI.hideStatus);
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},
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setupFullscreen: function() {
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// Only show the button if fullscreen is properly supported
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// * Safari doesn't support alphanumerical input while in fullscreen
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if (!UI.isSafari &&
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(document.documentElement.requestFullscreen ||
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document.documentElement.mozRequestFullScreen ||
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document.documentElement.webkitRequestFullscreen ||
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document.body.msRequestFullscreen)) {
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document.getElementById('noVNC_fullscreen_button')
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.classList.remove("noVNC_hidden");
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UI.addFullscreenHandlers();
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}
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},
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addControlbarHandlers: function() {
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document.getElementById("noVNC_control_bar")
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.addEventListener('mousemove', UI.activateControlbar);
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document.getElementById("noVNC_control_bar")
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.addEventListener('mouseup', UI.activateControlbar);
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document.getElementById("noVNC_control_bar")
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.addEventListener('mousedown', UI.activateControlbar);
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document.getElementById("noVNC_control_bar")
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.addEventListener('keypress', UI.activateControlbar);
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document.getElementById("noVNC_control_bar")
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.addEventListener('mousedown', UI.keepControlbar);
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document.getElementById("noVNC_control_bar")
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.addEventListener('keypress', UI.keepControlbar);
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document.getElementById("noVNC_view_drag_button")
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.addEventListener('click', UI.toggleViewDrag);
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document.getElementById("noVNC_control_bar_handle")
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.addEventListener('mousedown', UI.controlbarHandleMouseDown);
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document.getElementById("noVNC_control_bar_handle")
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.addEventListener('mouseup', UI.controlbarHandleMouseUp);
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document.getElementById("noVNC_control_bar_handle")
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.addEventListener('mousemove', UI.dragControlbarHandle);
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// resize events aren't available for elements
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window.addEventListener('resize', UI.updateControlbarHandle);
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},
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addTouchSpecificHandlers: function() {
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document.getElementById("noVNC_mouse_button0")
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.addEventListener('click', function () { UI.setMouseButton(1); });
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document.getElementById("noVNC_mouse_button1")
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.addEventListener('click', function () { UI.setMouseButton(2); });
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document.getElementById("noVNC_mouse_button2")
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.addEventListener('click', function () { UI.setMouseButton(4); });
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document.getElementById("noVNC_mouse_button4")
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.addEventListener('click', function () { UI.setMouseButton(0); });
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document.getElementById("noVNC_keyboard_button")
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.addEventListener('click', UI.toggleVirtualKeyboard);
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document.getElementById("noVNC_keyboardinput")
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.addEventListener('input', UI.keyInput);
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document.getElementById("noVNC_keyboardinput")
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.addEventListener('focus', UI.onfocusVirtualKeyboard);
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document.getElementById("noVNC_keyboardinput")
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.addEventListener('blur', UI.onblurVirtualKeyboard);
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document.getElementById("noVNC_keyboardinput")
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.addEventListener('submit', function () { return false; });
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document.documentElement
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.addEventListener('mousedown', UI.keepVirtualKeyboard, true);
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document.getElementById("noVNC_control_bar")
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.addEventListener('touchstart', UI.activateControlbar);
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document.getElementById("noVNC_control_bar")
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.addEventListener('touchmove', UI.activateControlbar);
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document.getElementById("noVNC_control_bar")
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.addEventListener('touchend', UI.activateControlbar);
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document.getElementById("noVNC_control_bar")
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.addEventListener('input', UI.activateControlbar);
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document.getElementById("noVNC_control_bar")
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.addEventListener('touchstart', UI.keepControlbar);
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document.getElementById("noVNC_control_bar")
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.addEventListener('input', UI.keepControlbar);
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document.getElementById("noVNC_control_bar_handle")
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.addEventListener('touchstart', UI.controlbarHandleMouseDown);
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document.getElementById("noVNC_control_bar_handle")
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.addEventListener('touchend', UI.controlbarHandleMouseUp);
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document.getElementById("noVNC_control_bar_handle")
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.addEventListener('touchmove', UI.dragControlbarHandle);
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window.addEventListener('load', UI.keyboardinputReset);
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},
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addExtraKeysHandlers: function() {
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document.getElementById("noVNC_toggle_extra_keys_button")
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.addEventListener('click', UI.toggleExtraKeys);
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document.getElementById("noVNC_toggle_ctrl_button")
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.addEventListener('click', UI.toggleCtrl);
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document.getElementById("noVNC_toggle_alt_button")
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.addEventListener('click', UI.toggleAlt);
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document.getElementById("noVNC_send_tab_button")
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.addEventListener('click', UI.sendTab);
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document.getElementById("noVNC_send_esc_button")
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.addEventListener('click', UI.sendEsc);
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document.getElementById("noVNC_send_ctrl_alt_del_button")
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.addEventListener('click', UI.sendCtrlAltDel);
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},
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addXvpHandlers: function() {
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document.getElementById("noVNC_xvp_shutdown_button")
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.addEventListener('click', function() { UI.rfb.xvpShutdown(); });
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document.getElementById("noVNC_xvp_reboot_button")
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.addEventListener('click', function() { UI.rfb.xvpReboot(); });
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document.getElementById("noVNC_xvp_reset_button")
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.addEventListener('click', function() { UI.rfb.xvpReset(); });
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document.getElementById("noVNC_xvp_button")
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.addEventListener('click', UI.toggleXvpPanel);
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},
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addConnectionControlHandlers: function() {
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document.getElementById("noVNC_connect_controls_button")
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.addEventListener('click', UI.toggleConnectPanel);
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document.getElementById("noVNC_disconnect_button")
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.addEventListener('click', UI.disconnect);
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document.getElementById("noVNC_connect_button")
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.addEventListener('click', UI.connect);
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document.getElementById("noVNC_password_button")
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.addEventListener('click', UI.setPassword);
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},
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addClipboardHandlers: function() {
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document.getElementById("noVNC_clipboard_button")
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.addEventListener('click', UI.toggleClipboardPanel);
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document.getElementById("noVNC_clipboard_text")
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.addEventListener('focus', UI.displayBlur);
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document.getElementById("noVNC_clipboard_text")
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.addEventListener('blur', UI.displayFocus);
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document.getElementById("noVNC_clipboard_text")
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.addEventListener('change', UI.clipboardSend);
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document.getElementById("noVNC_clipboard_clear_button")
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.addEventListener('click', UI.clipboardClear);
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},
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addSettingsHandlers: function() {
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document.getElementById("noVNC_settings_button")
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.addEventListener('click', UI.toggleSettingsPanel);
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document.getElementById("noVNC_settings_apply")
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.addEventListener('click', UI.settingsApply);
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document.getElementById("noVNC_setting_resize")
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.addEventListener('change', UI.enableDisableViewClip);
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},
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addFullscreenHandlers: function() {
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document.getElementById("noVNC_fullscreen_button")
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.addEventListener('click', UI.toggleFullscreen);
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window.addEventListener('fullscreenchange', UI.updateFullscreenButton);
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window.addEventListener('mozfullscreenchange', UI.updateFullscreenButton);
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window.addEventListener('webkitfullscreenchange', UI.updateFullscreenButton);
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window.addEventListener('msfullscreenchange', UI.updateFullscreenButton);
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},
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initRFB: function() {
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try {
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UI.rfb = new RFB({'target': document.getElementById('noVNC_canvas'),
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'onNotification': UI.notification,
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'onUpdateState': UI.updateState,
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'onDisconnected': UI.disconnectFinished,
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'onPasswordRequired': UI.passwordRequired,
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'onXvpInit': UI.updateXvpButton,
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'onClipboard': UI.clipboardReceive,
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'onBell': UI.bell,
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'onFBUComplete': UI.initialResize,
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'onFBResize': UI.updateViewDrag,
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'onDesktopName': UI.updateDesktopName});
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return true;
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} catch (exc) {
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var msg = "Unable to create RFB client -- " + exc;
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Util.Error(msg);
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UI.showStatus(msg, 'error');
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return false;
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}
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},
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/* ------^-------
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* /INIT
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* ==============
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* VISUAL
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* ------v------*/
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updateState: function(rfb, state, oldstate) {
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var msg;
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document.documentElement.classList.remove("noVNC_connecting");
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document.documentElement.classList.remove("noVNC_connected");
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document.documentElement.classList.remove("noVNC_disconnecting");
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switch (state) {
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case 'connecting':
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document.getElementById("noVNC_transition_text").innerHTML = _("Connecting...");
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document.documentElement.classList.add("noVNC_connecting");
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break;
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case 'connected':
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UI.connected = true;
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document.documentElement.classList.add("noVNC_connected");
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if (rfb && rfb.get_encrypt()) {
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msg = _("Connected (encrypted) to ") + UI.desktopName;
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} else {
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msg = _("Connected (unencrypted) to ") + UI.desktopName;
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}
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UI.showStatus(msg);
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break;
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case 'disconnecting':
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document.getElementById("noVNC_transition_text").innerHTML = _("Disconnecting...");
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document.documentElement.classList.add("noVNC_disconnecting");
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break;
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case 'disconnected':
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UI.connected = false;
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UI.showStatus(_("Disconnected"));
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break;
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default:
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msg = "Invalid UI state";
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Util.Error(msg);
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UI.showStatus(msg, 'error');
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break;
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}
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|
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UI.updateVisualState();
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},
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|
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// Disable/enable controls depending on connection state
|
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updateVisualState: function() {
|
|
//Util.Debug(">> updateVisualState");
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document.getElementById('noVNC_setting_encrypt').disabled = UI.connected;
|
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document.getElementById('noVNC_setting_true_color').disabled = UI.connected;
|
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if (Util.browserSupportsCursorURIs()) {
|
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document.getElementById('noVNC_setting_cursor').disabled = UI.connected;
|
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} else {
|
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UI.updateSetting('cursor', !Util.isTouchDevice);
|
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document.getElementById('noVNC_setting_cursor').disabled = true;
|
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}
|
|
|
|
UI.enableDisableViewClip();
|
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document.getElementById('noVNC_setting_resize').disabled = UI.connected;
|
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document.getElementById('noVNC_setting_shared').disabled = UI.connected;
|
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document.getElementById('noVNC_setting_view_only').disabled = UI.connected;
|
|
document.getElementById('noVNC_setting_path').disabled = UI.connected;
|
|
document.getElementById('noVNC_setting_repeaterID').disabled = UI.connected;
|
|
|
|
if (UI.connected) {
|
|
UI.updateViewClip();
|
|
UI.setMouseButton(1);
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|
|
// Hide the controlbar after 2 seconds
|
|
UI.closeControlbarTimeout = setTimeout(UI.closeControlbar, 2000);
|
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} else {
|
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UI.updateXvpButton(0);
|
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UI.keepControlbar();
|
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}
|
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|
|
// Hide input related buttons in view only mode
|
|
if (UI.rfb && UI.rfb.get_view_only()) {
|
|
document.getElementById('noVNC_keyboard_button')
|
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.classList.add('noVNC_hidden');
|
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document.getElementById('noVNC_toggle_extra_keys_button')
|
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.classList.add('noVNC_hidden');
|
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} else {
|
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document.getElementById('noVNC_keyboard_button')
|
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.classList.remove('noVNC_hidden');
|
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document.getElementById('noVNC_toggle_extra_keys_button')
|
|
.classList.remove('noVNC_hidden');
|
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}
|
|
|
|
// State change disables viewport dragging.
|
|
// It is enabled (toggled) by direct click on the button
|
|
UI.setViewDrag(false);
|
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|
|
// State change also closes the password dialog
|
|
document.getElementById('noVNC_password_dlg')
|
|
.classList.remove('noVNC_open');
|
|
|
|
//Util.Debug("<< updateVisualState");
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|
},
|
|
|
|
showStatus: function(text, status_type, time) {
|
|
var statusElem = document.getElementById('noVNC_status');
|
|
|
|
clearTimeout(UI.statusTimeout);
|
|
|
|
if (typeof status_type === 'undefined') {
|
|
status_type = 'normal';
|
|
}
|
|
|
|
statusElem.classList.remove("noVNC_status_normal",
|
|
"noVNC_status_warn",
|
|
"noVNC_status_error");
|
|
|
|
switch (status_type) {
|
|
case 'warning':
|
|
case 'warn':
|
|
statusElem.classList.add("noVNC_status_warn");
|
|
break;
|
|
case 'error':
|
|
statusElem.classList.add("noVNC_status_error");
|
|
break;
|
|
case 'normal':
|
|
case 'info':
|
|
default:
|
|
statusElem.classList.add("noVNC_status_normal");
|
|
break;
|
|
}
|
|
|
|
statusElem.innerHTML = text;
|
|
statusElem.classList.add("noVNC_open");
|
|
|
|
// If no time was specified, show the status for 1.5 seconds
|
|
if (typeof time === 'undefined') {
|
|
time = 1500;
|
|
}
|
|
|
|
// Error messages do not timeout
|
|
if (status_type !== 'error') {
|
|
UI.statusTimeout = window.setTimeout(UI.hideStatus, time);
|
|
}
|
|
},
|
|
|
|
hideStatus: function() {
|
|
clearTimeout(UI.statusTimeout);
|
|
document.getElementById('noVNC_status').classList.remove("noVNC_open");
|
|
},
|
|
|
|
notification: function (rfb, msg, level, options) {
|
|
UI.showStatus(msg, level);
|
|
},
|
|
|
|
activateControlbar: function(event) {
|
|
clearTimeout(UI.idleControlbarTimeout);
|
|
// We manipulate the anchor instead of the actual control
|
|
// bar in order to avoid creating new a stacking group
|
|
document.getElementById('noVNC_control_bar_anchor')
|
|
.classList.remove("noVNC_idle");
|
|
UI.idleControlbarTimeout = window.setTimeout(UI.idleControlbar, 2000);
|
|
},
|
|
|
|
idleControlbar: function() {
|
|
document.getElementById('noVNC_control_bar_anchor')
|
|
.classList.add("noVNC_idle");
|
|
},
|
|
|
|
keepControlbar: function() {
|
|
clearTimeout(UI.closeControlbarTimeout);
|
|
},
|
|
|
|
openControlbar: function() {
|
|
document.getElementById('noVNC_control_bar')
|
|
.classList.add("noVNC_open");
|
|
},
|
|
|
|
closeControlbar: function() {
|
|
UI.closeAllPanels();
|
|
document.getElementById('noVNC_control_bar')
|
|
.classList.remove("noVNC_open");
|
|
},
|
|
|
|
toggleControlbar: function() {
|
|
if (document.getElementById('noVNC_control_bar')
|
|
.classList.contains("noVNC_open")) {
|
|
UI.closeControlbar();
|
|
} else {
|
|
UI.openControlbar();
|
|
}
|
|
},
|
|
|
|
dragControlbarHandle: function (e) {
|
|
if (!UI.controlbarGrabbed) return;
|
|
|
|
var ptr = Util.getPointerEvent(e);
|
|
|
|
if (!UI.controlbarDrag) {
|
|
// The goal is to trigger on a certain physical width, the
|
|
// devicePixelRatio brings us a bit closer but is not optimal.
|
|
var dragThreshold = 10 * (window.devicePixelRatio || 1);
|
|
var dragDistance = Math.abs(ptr.clientY - UI.controlbarMouseDownClientY);
|
|
|
|
if (dragDistance < dragThreshold) return;
|
|
|
|
UI.controlbarDrag = true;
|
|
}
|
|
|
|
var eventY = ptr.clientY - UI.controlbarMouseDownOffsetY;
|
|
|
|
UI.moveControlbarHandle(eventY);
|
|
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
},
|
|
|
|
// Move the handle but don't allow any position outside the bounds
|
|
moveControlbarHandle: function (viewportRelativeY) {
|
|
var handle = document.getElementById("noVNC_control_bar_handle");
|
|
var handleHeight = handle.getBoundingClientRect().height;
|
|
var controlbarBounds = document.getElementById("noVNC_control_bar")
|
|
.getBoundingClientRect();
|
|
var margin = 10;
|
|
|
|
// These heights need to be non-zero for the below logic to work
|
|
if (handleHeight === 0 || controlbarBounds.height === 0) {
|
|
return;
|
|
}
|
|
|
|
var newY = viewportRelativeY;
|
|
|
|
// Check if the coordinates are outside the control bar
|
|
if (newY < controlbarBounds.top + margin) {
|
|
// Force coordinates to be below the top of the control bar
|
|
newY = controlbarBounds.top + margin;
|
|
|
|
} else if (newY > controlbarBounds.top +
|
|
controlbarBounds.height - handleHeight - margin) {
|
|
// Force coordinates to be above the bottom of the control bar
|
|
newY = controlbarBounds.top +
|
|
controlbarBounds.height - handleHeight - margin;
|
|
}
|
|
|
|
// Corner case: control bar too small for stable position
|
|
if (controlbarBounds.height < (handleHeight + margin * 2)) {
|
|
newY = controlbarBounds.top +
|
|
(controlbarBounds.height - handleHeight) / 2;
|
|
}
|
|
|
|
// The transform needs coordinates that are relative to the parent
|
|
var parentRelativeY = newY - controlbarBounds.top;
|
|
handle.style.transform = "translateY(" + parentRelativeY + "px)";
|
|
},
|
|
|
|
updateControlbarHandle: function () {
|
|
// Since the control bar is fixed on the viewport and not the page,
|
|
// the move function expects coordinates relative the the viewport.
|
|
var handle = document.getElementById("noVNC_control_bar_handle");
|
|
var handleBounds = handle.getBoundingClientRect();
|
|
UI.moveControlbarHandle(handleBounds.top);
|
|
},
|
|
|
|
controlbarHandleMouseUp: function(e) {
|
|
if ((e.type == "mouseup") && (e.button != 0)) return;
|
|
|
|
// mouseup and mousedown on the same place toggles the controlbar
|
|
if (UI.controlbarGrabbed && !UI.controlbarDrag) {
|
|
UI.toggleControlbar();
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
}
|
|
UI.controlbarGrabbed = false;
|
|
},
|
|
|
|
controlbarHandleMouseDown: function(e) {
|
|
if ((e.type == "mousedown") && (e.button != 0)) return;
|
|
|
|
var ptr = Util.getPointerEvent(e);
|
|
|
|
var handle = document.getElementById("noVNC_control_bar_handle");
|
|
var bounds = handle.getBoundingClientRect();
|
|
|
|
WebUtil.setCapture(handle);
|
|
UI.controlbarGrabbed = true;
|
|
UI.controlbarDrag = false;
|
|
|
|
UI.controlbarMouseDownClientY = ptr.clientY;
|
|
UI.controlbarMouseDownOffsetY = ptr.clientY - bounds.top;
|
|
e.preventDefault();
|
|
e.stopPropagation();
|
|
},
|
|
|
|
/* ------^-------
|
|
* /VISUAL
|
|
* ==============
|
|
* SETTINGS
|
|
* ------v------*/
|
|
|
|
// Initial page load read/initialization of settings
|
|
initSetting: function(name, defVal) {
|
|
// Check Query string followed by cookie
|
|
var val = WebUtil.getConfigVar(name);
|
|
if (val === null) {
|
|
val = WebUtil.readSetting(name, defVal);
|
|
}
|
|
UI.updateSetting(name, val);
|
|
return val;
|
|
},
|
|
|
|
// Update cookie and form control setting. If value is not set, then
|
|
// updates from control to current cookie setting.
|
|
updateSetting: function(name, value) {
|
|
|
|
// Save the cookie for this session
|
|
if (typeof value !== 'undefined') {
|
|
WebUtil.writeSetting(name, value);
|
|
}
|
|
|
|
// Update the settings control
|
|
value = UI.getSetting(name);
|
|
|
|
var ctrl = document.getElementById('noVNC_setting_' + name);
|
|
if (ctrl.type === 'checkbox') {
|
|
ctrl.checked = value;
|
|
|
|
} else if (typeof ctrl.options !== 'undefined') {
|
|
for (var i = 0; i < ctrl.options.length; i += 1) {
|
|
if (ctrl.options[i].value === value) {
|
|
ctrl.selectedIndex = i;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
/*Weird IE9 error leads to 'null' appearring
|
|
in textboxes instead of ''.*/
|
|
if (value === null) {
|
|
value = "";
|
|
}
|
|
ctrl.value = value;
|
|
}
|
|
},
|
|
|
|
// Save control setting to cookie
|
|
saveSetting: function(name) {
|
|
var val, ctrl = document.getElementById('noVNC_setting_' + name);
|
|
if (ctrl.type === 'checkbox') {
|
|
val = ctrl.checked;
|
|
} else if (typeof ctrl.options !== 'undefined') {
|
|
val = ctrl.options[ctrl.selectedIndex].value;
|
|
} else {
|
|
val = ctrl.value;
|
|
}
|
|
WebUtil.writeSetting(name, val);
|
|
//Util.Debug("Setting saved '" + name + "=" + val + "'");
|
|
return val;
|
|
},
|
|
|
|
// Force a setting to be a certain value
|
|
forceSetting: function(name, val) {
|
|
UI.updateSetting(name, val);
|
|
return val;
|
|
},
|
|
|
|
// Read form control compatible setting from cookie
|
|
getSetting: function(name) {
|
|
var ctrl = document.getElementById('noVNC_setting_' + name);
|
|
var val = WebUtil.readSetting(name);
|
|
if (typeof val !== 'undefined' && val !== null && ctrl.type === 'checkbox') {
|
|
if (val.toString().toLowerCase() in {'0':1, 'no':1, 'false':1}) {
|
|
val = false;
|
|
} else {
|
|
val = true;
|
|
}
|
|
}
|
|
return val;
|
|
},
|
|
|
|
// Save/apply settings when 'Apply' button is pressed
|
|
settingsApply: function() {
|
|
//Util.Debug(">> settingsApply");
|
|
UI.saveSetting('encrypt');
|
|
UI.saveSetting('true_color');
|
|
if (Util.browserSupportsCursorURIs()) {
|
|
UI.saveSetting('cursor');
|
|
}
|
|
|
|
UI.saveSetting('resize');
|
|
|
|
if (UI.getSetting('resize') === 'downscale' || UI.getSetting('resize') === 'scale') {
|
|
UI.forceSetting('clip', false);
|
|
}
|
|
|
|
UI.saveSetting('clip');
|
|
UI.saveSetting('shared');
|
|
UI.saveSetting('view_only');
|
|
UI.saveSetting('path');
|
|
UI.saveSetting('repeaterID');
|
|
UI.saveSetting('stylesheet');
|
|
UI.saveSetting('logging');
|
|
|
|
// Settings with immediate (non-connected related) effect
|
|
WebUtil.selectStylesheet(UI.getSetting('stylesheet'));
|
|
WebUtil.init_logging(UI.getSetting('logging'));
|
|
UI.updateViewClip();
|
|
UI.updateViewDrag();
|
|
//Util.Debug("<< settingsApply");
|
|
},
|
|
|
|
/* ------^-------
|
|
* /SETTINGS
|
|
* ==============
|
|
* PANELS
|
|
* ------v------*/
|
|
|
|
closeAllPanels: function() {
|
|
UI.closeSettingsPanel();
|
|
UI.closeXvpPanel();
|
|
UI.closeClipboardPanel();
|
|
UI.closeConnectPanel();
|
|
UI.closeExtraKeys();
|
|
},
|
|
|
|
/* ------^-------
|
|
* /PANELS
|
|
* ==============
|
|
* SETTINGS (panel)
|
|
* ------v------*/
|
|
|
|
openSettingsPanel: function() {
|
|
UI.closeAllPanels();
|
|
UI.openControlbar();
|
|
|
|
UI.updateSetting('encrypt');
|
|
UI.updateSetting('true_color');
|
|
if (Util.browserSupportsCursorURIs()) {
|
|
UI.updateSetting('cursor');
|
|
} else {
|
|
UI.updateSetting('cursor', !Util.isTouchDevice);
|
|
document.getElementById('noVNC_setting_cursor').disabled = true;
|
|
}
|
|
UI.updateSetting('clip');
|
|
UI.updateSetting('resize');
|
|
UI.updateSetting('shared');
|
|
UI.updateSetting('view_only');
|
|
UI.updateSetting('path');
|
|
UI.updateSetting('repeaterID');
|
|
UI.updateSetting('stylesheet');
|
|
UI.updateSetting('logging');
|
|
|
|
document.getElementById('noVNC_settings')
|
|
.classList.add("noVNC_open");
|
|
document.getElementById('noVNC_settings_button')
|
|
.classList.add("noVNC_selected");
|
|
},
|
|
|
|
closeSettingsPanel: function() {
|
|
document.getElementById('noVNC_settings')
|
|
.classList.remove("noVNC_open");
|
|
document.getElementById('noVNC_settings_button')
|
|
.classList.remove("noVNC_selected");
|
|
},
|
|
|
|
// Toggle the settings menu:
|
|
// On open, settings are refreshed from saved cookies.
|
|
// On close, settings are applied
|
|
toggleSettingsPanel: function() {
|
|
if (document.getElementById('noVNC_settings')
|
|
.classList.contains("noVNC_open")) {
|
|
UI.settingsApply();
|
|
UI.closeSettingsPanel();
|
|
} else {
|
|
UI.openSettingsPanel();
|
|
}
|
|
},
|
|
|
|
/* ------^-------
|
|
* /SETTINGS
|
|
* ==============
|
|
* XVP
|
|
* ------v------*/
|
|
|
|
openXvpPanel: function() {
|
|
UI.closeAllPanels();
|
|
UI.openControlbar();
|
|
|
|
document.getElementById('noVNC_xvp')
|
|
.classList.add("noVNC_open");
|
|
document.getElementById('noVNC_xvp_button')
|
|
.classList.add("noVNC_selected");
|
|
},
|
|
|
|
closeXvpPanel: function() {
|
|
document.getElementById('noVNC_xvp')
|
|
.classList.remove("noVNC_open");
|
|
document.getElementById('noVNC_xvp_button')
|
|
.classList.remove("noVNC_selected");
|
|
},
|
|
|
|
toggleXvpPanel: function() {
|
|
if (document.getElementById('noVNC_xvp')
|
|
.classList.contains("noVNC_open")) {
|
|
UI.closeXvpPanel();
|
|
} else {
|
|
UI.openXvpPanel();
|
|
}
|
|
},
|
|
|
|
// Disable/enable XVP button
|
|
updateXvpButton: function(ver) {
|
|
if (ver >= 1 && !UI.rfb.get_view_only()) {
|
|
document.getElementById('noVNC_xvp_button')
|
|
.classList.remove("noVNC_hidden");
|
|
} else {
|
|
document.getElementById('noVNC_xvp_button')
|
|
.classList.add("noVNC_hidden");
|
|
// Close XVP panel if open
|
|
UI.closeXvpPanel();
|
|
}
|
|
},
|
|
|
|
/* ------^-------
|
|
* /XVP
|
|
* ==============
|
|
* CLIPBOARD
|
|
* ------v------*/
|
|
|
|
openClipboardPanel: function() {
|
|
UI.closeAllPanels();
|
|
UI.openControlbar();
|
|
|
|
document.getElementById('noVNC_clipboard')
|
|
.classList.add("noVNC_open");
|
|
document.getElementById('noVNC_clipboard_button')
|
|
.classList.add("noVNC_selected");
|
|
},
|
|
|
|
closeClipboardPanel: function() {
|
|
document.getElementById('noVNC_clipboard')
|
|
.classList.remove("noVNC_open");
|
|
document.getElementById('noVNC_clipboard_button')
|
|
.classList.remove("noVNC_selected");
|
|
},
|
|
|
|
toggleClipboardPanel: function() {
|
|
if (document.getElementById('noVNC_clipboard')
|
|
.classList.contains("noVNC_open")) {
|
|
UI.closeClipboardPanel();
|
|
} else {
|
|
UI.openClipboardPanel();
|
|
}
|
|
},
|
|
|
|
clipboardReceive: function(rfb, text) {
|
|
Util.Debug(">> UI.clipboardReceive: " + text.substr(0,40) + "...");
|
|
document.getElementById('noVNC_clipboard_text').value = text;
|
|
Util.Debug("<< UI.clipboardReceive");
|
|
},
|
|
|
|
clipboardClear: function() {
|
|
document.getElementById('noVNC_clipboard_text').value = "";
|
|
UI.rfb.clipboardPasteFrom("");
|
|
},
|
|
|
|
clipboardSend: function() {
|
|
var text = document.getElementById('noVNC_clipboard_text').value;
|
|
Util.Debug(">> UI.clipboardSend: " + text.substr(0,40) + "...");
|
|
UI.rfb.clipboardPasteFrom(text);
|
|
Util.Debug("<< UI.clipboardSend");
|
|
},
|
|
|
|
/* ------^-------
|
|
* /CLIPBOARD
|
|
* ==============
|
|
* CONNECTION
|
|
* ------v------*/
|
|
|
|
openConnectPanel: function() {
|
|
UI.closeAllPanels();
|
|
UI.openControlbar();
|
|
|
|
document.getElementById('noVNC_connect_controls')
|
|
.classList.add("noVNC_open");
|
|
document.getElementById('noVNC_connect_controls_button')
|
|
.classList.add("noVNC_selected");
|
|
|
|
document.getElementById('noVNC_setting_host').focus();
|
|
},
|
|
|
|
closeConnectPanel: function() {
|
|
document.getElementById('noVNC_connect_controls')
|
|
.classList.remove("noVNC_open");
|
|
document.getElementById('noVNC_connect_controls_button')
|
|
.classList.remove("noVNC_selected");
|
|
|
|
UI.saveSetting('host');
|
|
UI.saveSetting('port');
|
|
UI.saveSetting('token');
|
|
//UI.saveSetting('password');
|
|
},
|
|
|
|
toggleConnectPanel: function() {
|
|
if (document.getElementById('noVNC_connect_controls')
|
|
.classList.contains("noVNC_open")) {
|
|
UI.closeConnectPanel();
|
|
} else {
|
|
UI.openConnectPanel();
|
|
}
|
|
},
|
|
|
|
connect: function() {
|
|
var host = document.getElementById('noVNC_setting_host').value;
|
|
var port = document.getElementById('noVNC_setting_port').value;
|
|
var password = document.getElementById('noVNC_setting_password').value;
|
|
var token = document.getElementById('noVNC_setting_token').value;
|
|
var path = document.getElementById('noVNC_setting_path').value;
|
|
|
|
//if token is in path then ignore the new token variable
|
|
if (token) {
|
|
path = WebUtil.injectParamIfMissing(path, "token", token);
|
|
}
|
|
|
|
if ((!host) || (!port)) {
|
|
var msg = _("Must set host and port");
|
|
Util.Error(msg);
|
|
UI.showStatus(msg, 'error');
|
|
return;
|
|
}
|
|
|
|
if (!UI.initRFB()) return;
|
|
|
|
UI.closeAllPanels();
|
|
|
|
UI.rfb.set_encrypt(UI.getSetting('encrypt'));
|
|
UI.rfb.set_true_color(UI.getSetting('true_color'));
|
|
UI.rfb.set_local_cursor(UI.getSetting('cursor'));
|
|
UI.rfb.set_shared(UI.getSetting('shared'));
|
|
UI.rfb.set_view_only(UI.getSetting('view_only'));
|
|
UI.rfb.set_repeaterID(UI.getSetting('repeaterID'));
|
|
|
|
UI.rfb.connect(host, port, password, path);
|
|
},
|
|
|
|
disconnect: function() {
|
|
UI.closeAllPanels();
|
|
UI.rfb.disconnect();
|
|
|
|
// Restore the callback used for initial resize
|
|
UI.rfb.set_onFBUComplete(UI.initialResize);
|
|
|
|
// Don't display the connection settings until we're actually disconnected
|
|
},
|
|
|
|
disconnectFinished: function (rfb, reason) {
|
|
if (typeof reason !== 'undefined') {
|
|
UI.showStatus(reason, 'error');
|
|
}
|
|
UI.openConnectPanel();
|
|
},
|
|
|
|
/* ------^-------
|
|
* /CONNECTION
|
|
* ==============
|
|
* PASSWORD
|
|
* ------v------*/
|
|
|
|
passwordRequired: function(rfb, msg) {
|
|
|
|
document.getElementById('noVNC_password_dlg')
|
|
.classList.add('noVNC_open');
|
|
|
|
setTimeout(function () {
|
|
document.getElementById('noVNC_password_input').focus();
|
|
}, 100);
|
|
|
|
if (typeof msg === 'undefined') {
|
|
msg = _("Password is required");
|
|
}
|
|
Util.Warn(msg);
|
|
UI.showStatus(msg, "warning");
|
|
},
|
|
|
|
setPassword: function() {
|
|
UI.rfb.sendPassword(document.getElementById('noVNC_password_input').value);
|
|
document.getElementById('noVNC_password_dlg')
|
|
.classList.remove('noVNC_open');
|
|
return false;
|
|
},
|
|
|
|
/* ------^-------
|
|
* /PASSWORD
|
|
* ==============
|
|
* FULLSCREEN
|
|
* ------v------*/
|
|
|
|
toggleFullscreen: function() {
|
|
if (document.fullscreenElement || // alternative standard method
|
|
document.mozFullScreenElement || // currently working methods
|
|
document.webkitFullscreenElement ||
|
|
document.msFullscreenElement) {
|
|
if (document.exitFullscreen) {
|
|
document.exitFullscreen();
|
|
} else if (document.mozCancelFullScreen) {
|
|
document.mozCancelFullScreen();
|
|
} else if (document.webkitExitFullscreen) {
|
|
document.webkitExitFullscreen();
|
|
} else if (document.msExitFullscreen) {
|
|
document.msExitFullscreen();
|
|
}
|
|
} else {
|
|
if (document.documentElement.requestFullscreen) {
|
|
document.documentElement.requestFullscreen();
|
|
} else if (document.documentElement.mozRequestFullScreen) {
|
|
document.documentElement.mozRequestFullScreen();
|
|
} else if (document.documentElement.webkitRequestFullscreen) {
|
|
document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
|
|
} else if (document.body.msRequestFullscreen) {
|
|
document.body.msRequestFullscreen();
|
|
}
|
|
}
|
|
UI.enableDisableViewClip();
|
|
UI.updateFullscreenButton();
|
|
},
|
|
|
|
updateFullscreenButton: function() {
|
|
if (document.fullscreenElement || // alternative standard method
|
|
document.mozFullScreenElement || // currently working methods
|
|
document.webkitFullscreenElement ||
|
|
document.msFullscreenElement ) {
|
|
document.getElementById('noVNC_fullscreen_button')
|
|
.classList.add("noVNC_selected");
|
|
} else {
|
|
document.getElementById('noVNC_fullscreen_button')
|
|
.classList.remove("noVNC_selected");
|
|
}
|
|
},
|
|
|
|
/* ------^-------
|
|
* /FULLSCREEN
|
|
* ==============
|
|
* RESIZE
|
|
* ------v------*/
|
|
|
|
// Apply remote resizing or local scaling
|
|
applyResizeMode: function() {
|
|
if (!UI.rfb) return;
|
|
|
|
var screen = UI.screenSize();
|
|
|
|
if (screen && UI.connected && UI.rfb.get_display()) {
|
|
|
|
var display = UI.rfb.get_display();
|
|
var resizeMode = UI.getSetting('resize');
|
|
|
|
if (resizeMode === 'remote') {
|
|
|
|
// Request changing the resolution of the remote display to
|
|
// the size of the local browser viewport.
|
|
|
|
// In order to not send multiple requests before the browser-resize
|
|
// is finished we wait 0.5 seconds before sending the request.
|
|
clearTimeout(UI.resizeTimeout);
|
|
UI.resizeTimeout = setTimeout(function(){
|
|
|
|
// Limit the viewport to the size of the browser window
|
|
display.set_maxWidth(screen.w);
|
|
display.set_maxHeight(screen.h);
|
|
|
|
// Request a remote size covering the viewport
|
|
if (UI.rfb.requestDesktopSize(screen.w, screen.h)) {
|
|
Util.Debug('Requested new desktop size: ' +
|
|
screen.w + 'x' + screen.h);
|
|
}
|
|
}, 500);
|
|
|
|
} else if (resizeMode === 'scale' || resizeMode === 'downscale') {
|
|
var downscaleOnly = resizeMode === 'downscale';
|
|
var scaleRatio = display.autoscale(screen.w, screen.h, downscaleOnly);
|
|
|
|
if (!UI.rfb.get_view_only()) {
|
|
UI.rfb.get_mouse().set_scale(scaleRatio);
|
|
Util.Debug('Scaling by ' + UI.rfb.get_mouse().get_scale());
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
// Gets the the size of the available viewport in the browser window
|
|
screenSize: function() {
|
|
var screen = document.getElementById('noVNC_screen');
|
|
|
|
// Hide the scrollbars until the size is calculated
|
|
screen.style.overflow = "hidden";
|
|
|
|
var pos = Util.getPosition(screen);
|
|
var w = pos.width;
|
|
var h = pos.height;
|
|
|
|
screen.style.overflow = "visible";
|
|
|
|
if (isNaN(w) || isNaN(h)) {
|
|
return false;
|
|
} else {
|
|
return {w: w, h: h};
|
|
}
|
|
},
|
|
|
|
// Normally we only apply the current resize mode after a window resize
|
|
// event. This means that when a new connection is opened, there is no
|
|
// resize mode active.
|
|
// We have to wait until the first FBU because this is where the client
|
|
// will find the supported encodings of the server. Some calls later in
|
|
// the chain is dependant on knowing the server-capabilities.
|
|
initialResize: function(rfb, fbu) {
|
|
UI.applyResizeMode();
|
|
// After doing this once, we remove the callback.
|
|
UI.rfb.set_onFBUComplete(function() { });
|
|
},
|
|
|
|
/* ------^-------
|
|
* /RESIZE
|
|
* ==============
|
|
* CLIPPING
|
|
* ------v------*/
|
|
|
|
// Set and configure viewport clipping
|
|
setViewClip: function(clip) {
|
|
UI.updateSetting('clip', clip);
|
|
UI.updateViewClip();
|
|
},
|
|
|
|
// Update parameters that depend on the clip setting
|
|
updateViewClip: function() {
|
|
if (!UI.rfb) return;
|
|
|
|
var display = UI.rfb.get_display();
|
|
var cur_clip = display.get_viewport();
|
|
var new_clip = UI.getSetting('clip');
|
|
|
|
if (cur_clip !== new_clip) {
|
|
display.set_viewport(new_clip);
|
|
}
|
|
|
|
var size = UI.screenSize();
|
|
|
|
if (new_clip && size) {
|
|
// When clipping is enabled, the screen is limited to
|
|
// the size of the browser window.
|
|
display.set_maxWidth(size.w);
|
|
display.set_maxHeight(size.h);
|
|
|
|
var screen = document.getElementById('noVNC_screen');
|
|
var canvas = document.getElementById('noVNC_canvas');
|
|
|
|
// Hide potential scrollbars that can skew the position
|
|
screen.style.overflow = "hidden";
|
|
|
|
// The x position marks the left margin of the canvas,
|
|
// remove the margin from both sides to keep it centered.
|
|
var new_w = size.w - (2 * Util.getPosition(canvas).x);
|
|
|
|
screen.style.overflow = "visible";
|
|
|
|
display.viewportChangeSize(new_w, size.h);
|
|
} else {
|
|
// Disable max dimensions
|
|
display.set_maxWidth(0);
|
|
display.set_maxHeight(0);
|
|
display.viewportChangeSize();
|
|
}
|
|
},
|
|
|
|
// Handle special cases where clipping is forced on/off or locked
|
|
enableDisableViewClip: function() {
|
|
var resizeSetting = document.getElementById('noVNC_setting_resize');
|
|
|
|
if (UI.isSafari) {
|
|
// Safari auto-hides the scrollbars which makes them
|
|
// impossible to use in most cases
|
|
UI.setViewClip(true);
|
|
document.getElementById('noVNC_setting_clip').disabled = true;
|
|
} else if (resizeSetting.value === 'downscale' || resizeSetting.value === 'scale') {
|
|
// Disable clipping if we are scaling
|
|
UI.setViewClip(false);
|
|
document.getElementById('noVNC_setting_clip').disabled = true;
|
|
} else if (document.msFullscreenElement) {
|
|
// The browser is IE and we are in fullscreen mode.
|
|
// - We need to force clipping while in fullscreen since
|
|
// scrollbars doesn't work.
|
|
var msg = _("Forcing clipping mode since " +
|
|
"scrollbars aren't supported " +
|
|
"by IE in fullscreen");
|
|
Util.Debug(msg);
|
|
UI.showStatus(msg);
|
|
UI.rememberedClipSetting = UI.getSetting('clip');
|
|
UI.setViewClip(true);
|
|
document.getElementById('noVNC_setting_clip').disabled = true;
|
|
} else if (document.body.msRequestFullscreen &&
|
|
UI.rememberedClipSetting !== null) {
|
|
// Restore view clip to what it was before fullscreen on IE
|
|
UI.setViewClip(UI.rememberedClipSetting);
|
|
document.getElementById('noVNC_setting_clip').disabled =
|
|
UI.connected || Util.isTouchDevice;
|
|
} else {
|
|
document.getElementById('noVNC_setting_clip').disabled =
|
|
UI.connected || Util.isTouchDevice;
|
|
if (Util.isTouchDevice) {
|
|
UI.setViewClip(true);
|
|
}
|
|
}
|
|
},
|
|
|
|
/* ------^-------
|
|
* /CLIPPING
|
|
* ==============
|
|
* VIEWDRAG
|
|
* ------v------*/
|
|
|
|
toggleViewDrag: function() {
|
|
if (!UI.rfb) return;
|
|
|
|
var drag = UI.rfb.get_viewportDrag();
|
|
UI.setViewDrag(!drag);
|
|
},
|
|
|
|
// Set the view drag mode which moves the viewport on mouse drags
|
|
setViewDrag: function(drag) {
|
|
if (!UI.rfb) return;
|
|
|
|
UI.rfb.set_viewportDrag(drag);
|
|
|
|
UI.updateViewDrag();
|
|
},
|
|
|
|
updateViewDrag: function() {
|
|
var clipping = false;
|
|
|
|
if (!UI.connected) return;
|
|
|
|
// Check if viewport drag is possible. It is only possible
|
|
// if the remote display is clipping the client display.
|
|
if (UI.rfb.get_display().get_viewport() &&
|
|
UI.rfb.get_display().clippingDisplay()) {
|
|
clipping = true;
|
|
}
|
|
|
|
var viewDragButton = document.getElementById('noVNC_view_drag_button');
|
|
|
|
if (!clipping &&
|
|
UI.rfb.get_viewportDrag()) {
|
|
// The size of the remote display is the same or smaller
|
|
// than the client display. Make sure viewport drag isn't
|
|
// active when it can't be used.
|
|
UI.rfb.set_viewportDrag(false);
|
|
}
|
|
|
|
if (UI.rfb.get_viewportDrag()) {
|
|
viewDragButton.classList.add("noVNC_selected");
|
|
} else {
|
|
viewDragButton.classList.remove("noVNC_selected");
|
|
}
|
|
|
|
// Different behaviour for touch vs non-touch
|
|
// The button is disabled instead of hidden on touch devices
|
|
if (Util.isTouchDevice) {
|
|
viewDragButton.classList.remove("noVNC_hidden");
|
|
|
|
if (clipping) {
|
|
viewDragButton.disabled = false;
|
|
} else {
|
|
viewDragButton.disabled = true;
|
|
}
|
|
} else {
|
|
viewDragButton.disabled = false;
|
|
|
|
if (clipping) {
|
|
viewDragButton.classList.remove("noVNC_hidden");
|
|
} else {
|
|
viewDragButton.classList.add("noVNC_hidden");
|
|
}
|
|
}
|
|
},
|
|
|
|
/* ------^-------
|
|
* /VIEWDRAG
|
|
* ==============
|
|
* KEYBOARD
|
|
* ------v------*/
|
|
|
|
showVirtualKeyboard: function() {
|
|
if (!Util.isTouchDevice) return;
|
|
|
|
var input = document.getElementById('noVNC_keyboardinput');
|
|
|
|
if (document.activeElement == input) return;
|
|
|
|
input.focus();
|
|
|
|
try {
|
|
var l = input.value.length;
|
|
// Move the caret to the end
|
|
input.setSelectionRange(l, l);
|
|
} catch (err) {} // setSelectionRange is undefined in Google Chrome
|
|
},
|
|
|
|
hideVirtualKeyboard: function() {
|
|
if (!Util.isTouchDevice) return;
|
|
|
|
var input = document.getElementById('noVNC_keyboardinput');
|
|
|
|
if (document.activeElement != input) return;
|
|
|
|
input.blur();
|
|
},
|
|
|
|
toggleVirtualKeyboard: function () {
|
|
if (document.getElementById('noVNC_keyboard_button')
|
|
.classList.contains("noVNC_selected")) {
|
|
UI.hideVirtualKeyboard();
|
|
} else {
|
|
UI.showVirtualKeyboard();
|
|
}
|
|
},
|
|
|
|
onfocusVirtualKeyboard: function(event) {
|
|
document.getElementById('noVNC_keyboard_button')
|
|
.classList.add("noVNC_selected");
|
|
},
|
|
|
|
onblurVirtualKeyboard: function(event) {
|
|
document.getElementById('noVNC_keyboard_button')
|
|
.classList.remove("noVNC_selected");
|
|
},
|
|
|
|
keepVirtualKeyboard: function(event) {
|
|
var input = document.getElementById('noVNC_keyboardinput');
|
|
|
|
// Only prevent focus change if the virtual keyboard is active
|
|
if (document.activeElement != input) {
|
|
return;
|
|
}
|
|
|
|
// Allow clicking on links
|
|
if (event.target.tagName === "A") {
|
|
return;
|
|
}
|
|
|
|
// And form elements, except standard noVNC buttons
|
|
if ((event.target.form !== undefined) &&
|
|
!event.target.classList.contains("noVNC_button")) {
|
|
return;
|
|
}
|
|
|
|
event.preventDefault();
|
|
},
|
|
|
|
keyboardinputReset: function() {
|
|
var kbi = document.getElementById('noVNC_keyboardinput');
|
|
kbi.value = new Array(UI.defaultKeyboardinputLen).join("_");
|
|
UI.lastKeyboardinput = kbi.value;
|
|
},
|
|
|
|
// When normal keyboard events are left uncought, use the input events from
|
|
// the keyboardinput element instead and generate the corresponding key events.
|
|
// This code is required since some browsers on Android are inconsistent in
|
|
// sending keyCodes in the normal keyboard events when using on screen keyboards.
|
|
keyInput: function(event) {
|
|
|
|
if (!UI.rfb) return;
|
|
|
|
var newValue = event.target.value;
|
|
|
|
if (!UI.lastKeyboardinput) {
|
|
UI.keyboardinputReset();
|
|
}
|
|
var oldValue = UI.lastKeyboardinput;
|
|
|
|
var newLen;
|
|
try {
|
|
// Try to check caret position since whitespace at the end
|
|
// will not be considered by value.length in some browsers
|
|
newLen = Math.max(event.target.selectionStart, newValue.length);
|
|
} catch (err) {
|
|
// selectionStart is undefined in Google Chrome
|
|
newLen = newValue.length;
|
|
}
|
|
var oldLen = oldValue.length;
|
|
|
|
var backspaces;
|
|
var inputs = newLen - oldLen;
|
|
if (inputs < 0) {
|
|
backspaces = -inputs;
|
|
} else {
|
|
backspaces = 0;
|
|
}
|
|
|
|
// Compare the old string with the new to account for
|
|
// text-corrections or other input that modify existing text
|
|
var i;
|
|
for (i = 0; i < Math.min(oldLen, newLen); i++) {
|
|
if (newValue.charAt(i) != oldValue.charAt(i)) {
|
|
inputs = newLen - i;
|
|
backspaces = oldLen - i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Send the key events
|
|
for (i = 0; i < backspaces; i++) {
|
|
UI.rfb.sendKey(KeyTable.XK_BackSpace);
|
|
}
|
|
for (i = newLen - inputs; i < newLen; i++) {
|
|
UI.rfb.sendKey(keysyms.fromUnicode(newValue.charCodeAt(i)).keysym);
|
|
}
|
|
|
|
// Control the text content length in the keyboardinput element
|
|
if (newLen > 2 * UI.defaultKeyboardinputLen) {
|
|
UI.keyboardinputReset();
|
|
} else if (newLen < 1) {
|
|
// There always have to be some text in the keyboardinput
|
|
// element with which backspace can interact.
|
|
UI.keyboardinputReset();
|
|
// This sometimes causes the keyboard to disappear for a second
|
|
// but it is required for the android keyboard to recognize that
|
|
// text has been added to the field
|
|
event.target.blur();
|
|
// This has to be ran outside of the input handler in order to work
|
|
setTimeout(event.target.focus.bind(event.target), 0);
|
|
} else {
|
|
UI.lastKeyboardinput = newValue;
|
|
}
|
|
},
|
|
|
|
/* ------^-------
|
|
* /KEYBOARD
|
|
* ==============
|
|
* EXTRA KEYS
|
|
* ------v------*/
|
|
|
|
openExtraKeys: function() {
|
|
UI.closeAllPanels();
|
|
UI.openControlbar();
|
|
|
|
document.getElementById('noVNC_modifiers')
|
|
.classList.add("noVNC_open");
|
|
document.getElementById('noVNC_toggle_extra_keys_button')
|
|
.classList.add("noVNC_selected");
|
|
},
|
|
|
|
closeExtraKeys: function() {
|
|
document.getElementById('noVNC_modifiers')
|
|
.classList.remove("noVNC_open");
|
|
document.getElementById('noVNC_toggle_extra_keys_button')
|
|
.classList.remove("noVNC_selected");
|
|
},
|
|
|
|
toggleExtraKeys: function() {
|
|
if(document.getElementById('noVNC_modifiers')
|
|
.classList.contains("noVNC_open")) {
|
|
UI.closeExtraKeys();
|
|
} else {
|
|
UI.openExtraKeys();
|
|
}
|
|
},
|
|
|
|
sendEsc: function() {
|
|
UI.rfb.sendKey(KeyTable.XK_Escape);
|
|
},
|
|
|
|
sendTab: function() {
|
|
UI.rfb.sendKey(KeyTable.XK_Tab);
|
|
},
|
|
|
|
toggleCtrl: function() {
|
|
var btn = document.getElementById('noVNC_toggle_ctrl_button');
|
|
if (btn.classList.contains("noVNC_selected")) {
|
|
UI.rfb.sendKey(KeyTable.XK_Control_L, false);
|
|
btn.classList.remove("noVNC_selected");
|
|
} else {
|
|
UI.rfb.sendKey(KeyTable.XK_Control_L, true);
|
|
btn.classList.add("noVNC_selected");
|
|
}
|
|
},
|
|
|
|
toggleAlt: function() {
|
|
var btn = document.getElementById('noVNC_toggle_alt_button');
|
|
if (btn.classList.contains("noVNC_selected")) {
|
|
UI.rfb.sendKey(KeyTable.XK_Alt_L, false);
|
|
btn.classList.remove("noVNC_selected");
|
|
} else {
|
|
UI.rfb.sendKey(KeyTable.XK_Alt_L, true);
|
|
btn.classList.add("noVNC_selected");
|
|
}
|
|
},
|
|
|
|
sendCtrlAltDel: function() {
|
|
UI.rfb.sendCtrlAltDel();
|
|
},
|
|
|
|
/* ------^-------
|
|
* /EXTRA KEYS
|
|
* ==============
|
|
* MISC
|
|
* ------v------*/
|
|
|
|
setMouseButton: function(num) {
|
|
var view_only = UI.rfb.get_view_only();
|
|
if (UI.rfb && !view_only) {
|
|
UI.rfb.get_mouse().set_touchButton(num);
|
|
}
|
|
|
|
var blist = [0, 1,2,4];
|
|
for (var b = 0; b < blist.length; b++) {
|
|
var button = document.getElementById('noVNC_mouse_button' +
|
|
blist[b]);
|
|
if (blist[b] === num && !view_only) {
|
|
button.classList.remove("noVNC_hidden");
|
|
} else {
|
|
button.classList.add("noVNC_hidden");
|
|
}
|
|
}
|
|
},
|
|
|
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displayBlur: function() {
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if (UI.rfb && !UI.rfb.get_view_only()) {
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UI.rfb.get_keyboard().set_focused(false);
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|
UI.rfb.get_mouse().set_focused(false);
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|
}
|
|
},
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|
|
|
displayFocus: function() {
|
|
if (UI.rfb && !UI.rfb.get_view_only()) {
|
|
UI.rfb.get_keyboard().set_focused(true);
|
|
UI.rfb.get_mouse().set_focused(true);
|
|
}
|
|
},
|
|
|
|
updateDesktopName: function(rfb, name) {
|
|
UI.desktopName = name;
|
|
// Display the desktop name in the document title
|
|
document.title = name + " - noVNC";
|
|
},
|
|
|
|
bell: function(rfb) {
|
|
if (WebUtil.getConfigVar('bell', 'on') === 'on') {
|
|
document.getElementById('noVNC_bell').play();
|
|
}
|
|
},
|
|
|
|
//Helper to add options to dropdown.
|
|
addOption: function(selectbox, text, value) {
|
|
var optn = document.createElement("OPTION");
|
|
optn.text = text;
|
|
optn.value = value;
|
|
selectbox.options.add(optn);
|
|
},
|
|
|
|
/* ------^-------
|
|
* /MISC
|
|
* ==============
|
|
*/
|
|
};
|
|
|
|
/* [module] UI.load(); */
|
|
})();
|
|
|
|
/* [module] export default UI; */
|