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-rw-r--r--classes/novnc/include/util.js276
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diff --git a/classes/novnc/include/util.js b/classes/novnc/include/util.js
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--- a/classes/novnc/include/util.js
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@@ -1,276 +0,0 @@
-/*
- * noVNC: HTML5 VNC client
- * Copyright (C) 2011 Joel Martin
- * Licensed under LGPL-3 (see LICENSE.txt)
- *
- * See README.md for usage and integration instructions.
- */
-
-"use strict";
-/*jslint bitwise: false, white: false */
-/*global window, console, document, navigator, ActiveXObject */
-
-// Globals defined here
-var Util = {};
-
-
-/*
- * Make arrays quack
- */
-
-Array.prototype.push8 = function (num) {
- this.push(num & 0xFF);
-};
-
-Array.prototype.push16 = function (num) {
- this.push((num >> 8) & 0xFF,
- (num ) & 0xFF );
-};
-Array.prototype.push32 = function (num) {
- this.push((num >> 24) & 0xFF,
- (num >> 16) & 0xFF,
- (num >> 8) & 0xFF,
- (num ) & 0xFF );
-};
-
-/*
- * ------------------------------------------------------
- * Namespaced in Util
- * ------------------------------------------------------
- */
-
-/*
- * Logging/debug routines
- */
-
-Util._log_level = 'warn';
-Util.init_logging = function (level) {
- if (typeof level === 'undefined') {
- level = Util._log_level;
- } else {
- Util._log_level = level;
- }
- if (typeof window.console === "undefined") {
- if (typeof window.opera !== "undefined") {
- window.console = {
- 'log' : window.opera.postError,
- 'warn' : window.opera.postError,
- 'error': window.opera.postError };
- } else {
- window.console = {
- 'log' : function(m) {},
- 'warn' : function(m) {},
- 'error': function(m) {}};
- }
- }
-
- Util.Debug = Util.Info = Util.Warn = Util.Error = function (msg) {};
- switch (level) {
- case 'debug': Util.Debug = function (msg) { console.log(msg); };
- case 'info': Util.Info = function (msg) { console.log(msg); };
- case 'warn': Util.Warn = function (msg) { console.warn(msg); };
- case 'error': Util.Error = function (msg) { console.error(msg); };
- case 'none':
- break;
- default:
- throw("invalid logging type '" + level + "'");
- }
-};
-Util.get_logging = function () {
- return Util._log_level;
-};
-// Initialize logging level
-Util.init_logging();
-
-
-// Set configuration default for Crockford style function namespaces
-Util.conf_default = function(cfg, api, defaults, v, mode, type, defval, desc) {
- var getter, setter;
-
- // Default getter function
- getter = function (idx) {
- if ((type in {'arr':1, 'array':1}) &&
- (typeof idx !== 'undefined')) {
- return cfg[v][idx];
- } else {
- return cfg[v];
- }
- };
-
- // Default setter function
- setter = function (val, idx) {
- if (type in {'boolean':1, 'bool':1}) {
- if ((!val) || (val in {'0':1, 'no':1, 'false':1})) {
- val = false;
- } else {
- val = true;
- }
- } else if (type in {'integer':1, 'int':1}) {
- val = parseInt(val, 10);
- } else if (type === 'func') {
- if (!val) {
- val = function () {};
- }
- }
- if (typeof idx !== 'undefined') {
- cfg[v][idx] = val;
- } else {
- cfg[v] = val;
- }
- };
-
- // Set the description
- api[v + '_description'] = desc;
-
- // Set the getter function
- if (typeof api['get_' + v] === 'undefined') {
- api['get_' + v] = getter;
- }
-
- // Set the setter function with extra sanity checks
- if (typeof api['set_' + v] === 'undefined') {
- api['set_' + v] = function (val, idx) {
- if (mode in {'RO':1, 'ro':1}) {
- throw(v + " is read-only");
- } else if ((mode in {'WO':1, 'wo':1}) &&
- (typeof cfg[v] !== 'undefined')) {
- throw(v + " can only be set once");
- }
- setter(val, idx);
- };
- }
-
- // Set the default value
- if (typeof defaults[v] !== 'undefined') {
- defval = defaults[v];
- } else if ((type in {'arr':1, 'array':1}) &&
- (! (defval instanceof Array))) {
- defval = [];
- }
- // Coerce existing setting to the right type
- //Util.Debug("v: " + v + ", defval: " + defval + ", defaults[v]: " + defaults[v]);
- setter(defval);
-};
-
-// Set group of configuration defaults
-Util.conf_defaults = function(cfg, api, defaults, arr) {
- var i;
- for (i = 0; i < arr.length; i++) {
- Util.conf_default(cfg, api, defaults, arr[i][0], arr[i][1],
- arr[i][2], arr[i][3], arr[i][4]);
- }
-}
-
-
-/*
- * Cross-browser routines
- */
-
-// Get DOM element position on page
-Util.getPosition = function (obj) {
- var x = 0, y = 0;
- if (obj.offsetParent) {
- do {
- x += obj.offsetLeft;
- y += obj.offsetTop;
- obj = obj.offsetParent;
- } while (obj);
- }
- return {'x': x, 'y': y};
-};
-
-// Get mouse event position in DOM element
-Util.getEventPosition = function (e, obj, scale) {
- var evt, docX, docY, pos;
- //if (!e) evt = window.event;
- evt = (e ? e : window.event);
- evt = (evt.changedTouches ? evt.changedTouches[0] : evt.touches ? evt.touches[0] : evt);
- if (evt.pageX || evt.pageY) {
- docX = evt.pageX;
- docY = evt.pageY;
- } else if (evt.clientX || evt.clientY) {
- docX = evt.clientX + document.body.scrollLeft +
- document.documentElement.scrollLeft;
- docY = evt.clientY + document.body.scrollTop +
- document.documentElement.scrollTop;
- }
- pos = Util.getPosition(obj);
- if (typeof scale === "undefined") {
- scale = 1;
- }
- return {'x': (docX - pos.x) / scale, 'y': (docY - pos.y) / scale};
-};
-
-
-// Event registration. Based on: http://www.scottandrew.com/weblog/articles/cbs-events
-Util.addEvent = function (obj, evType, fn){
- if (obj.attachEvent){
- var r = obj.attachEvent("on"+evType, fn);
- return r;
- } else if (obj.addEventListener){
- obj.addEventListener(evType, fn, false);
- return true;
- } else {
- throw("Handler could not be attached");
- }
-};
-
-Util.removeEvent = function(obj, evType, fn){
- if (obj.detachEvent){
- var r = obj.detachEvent("on"+evType, fn);
- return r;
- } else if (obj.removeEventListener){
- obj.removeEventListener(evType, fn, false);
- return true;
- } else {
- throw("Handler could not be removed");
- }
-};
-
-Util.stopEvent = function(e) {
- if (e.stopPropagation) { e.stopPropagation(); }
- else { e.cancelBubble = true; }
-
- if (e.preventDefault) { e.preventDefault(); }
- else { e.returnValue = false; }
-};
-
-
-// Set browser engine versions. Based on mootools.
-Util.Features = {xpath: !!(document.evaluate), air: !!(window.runtime), query: !!(document.querySelector)};
-
-Util.Engine = {
- 'presto': (function() {
- return (!window.opera) ? false : ((arguments.callee.caller) ? 960 : ((document.getElementsByClassName) ? 950 : 925)); }()),
- 'trident': (function() {
- return (!window.ActiveXObject) ? false : ((window.XMLHttpRequest) ? ((document.querySelectorAll) ? 6 : 5) : 4); }()),
- 'webkit': (function() {
- try { return (navigator.taintEnabled) ? false : ((Util.Features.xpath) ? ((Util.Features.query) ? 525 : 420) : 419); } catch (e) { return false; } }()),
- //'webkit': (function() {
- // return ((typeof navigator.taintEnabled !== "unknown") && navigator.taintEnabled) ? false : ((Util.Features.xpath) ? ((Util.Features.query) ? 525 : 420) : 419); }()),
- 'gecko': (function() {
- return (!document.getBoxObjectFor && window.mozInnerScreenX == null) ? false : ((document.getElementsByClassName) ? 19 : 18); }())
-};
-if (Util.Engine.webkit) {
- // Extract actual webkit version if available
- Util.Engine.webkit = (function(v) {
- var re = new RegExp('WebKit/([0-9\.]*) ');
- v = (navigator.userAgent.match(re) || ['', v])[1];
- return parseFloat(v, 10);
- })(Util.Engine.webkit);
-}
-
-Util.Flash = (function(){
- var v, version;
- try {
- v = navigator.plugins['Shockwave Flash'].description;
- } catch(err1) {
- try {
- v = new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version');
- } catch(err2) {
- v = '0 r0';
- }
- }
- version = v.match(/\d+/g);
- return {version: parseInt(version[0] || 0 + '.' + version[1], 10) || 0, build: parseInt(version[2], 10) || 0};
-}());
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-15 01:52:22 +0000