79 lines
2.4 KiB
JavaScript
79 lines
2.4 KiB
JavaScript
/*
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* noVNC: HTML5 VNC client
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* Copyright (C) 2012 Joel Martin
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* Licensed under LGPL-3 (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 evil: true */
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/*global window, document, INCLUDE_URI */
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var NoVnc = {};
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NoVnc.onload = null;
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NoVnc.init_scripts = [];
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NoVnc.loading = 0;
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/*
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* Load supporting scripts
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*/
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function get_INCLUDE_URI() {
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return (typeof INCLUDE_URI !== "undefined") ? INCLUDE_URI : "include/";
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}
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/*
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* Dynamically load a script without using document.write()
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* Reference: http://unixpapa.com/js/dyna.html
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*/
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function load_scripts(base, files) {
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var head = document.getElementsByTagName('head')[0];
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function onloadhook () {
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if (this.initState) //Already initialized
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return;
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this.initState = true;
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NoVnc.loading--;
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initscripts();
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if (NoVnc.loading === 0 && !!NoVnc.onload) {
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NoVnc.onload();
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NoVnc.onload = null;
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}
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}
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function initscripts() {
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// Call the initialization routines in register order when all
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// the scripts have been loaded.
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// Notice: These routines may also call load_scripts to start
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// loading other scripts.
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while (NoVnc.loading === 0 && NoVnc.init_scripts.length > 0) {
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var script = NoVnc.init_scripts[0];
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NoVnc.init_scripts.splice(0, 1);
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// It is assumed that ABC.js should have _init_ABC() to
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// initialize itself.
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var f = script.src.split("/");
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f = "_init_" + f[f.length -1].split(".")[0].replace(/[\-\+]/,"_");
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eval("if (typeof " + f + " !== 'undefined') " + f + "()");
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}
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}
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for (var i=0; i<files.length; i++) {
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var script = document.createElement('script');
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script.type = 'text/javascript';
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NoVnc.loading++;
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script.onload = onloadhook;
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script.onreadystatechange = function () {
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if (this.readyState == 'complete' || this.readyState == 'loaded')
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this.onload();
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}
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script.initState = false;
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script.src = base + files[i];
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head.appendChild(script);
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NoVnc.init_scripts = NoVnc.init_scripts.concat([script]);
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}
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}
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load_scripts(get_INCLUDE_URI(),
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["util.js", "webutil.js", "base64.js", "websock.js", "des.js",
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"input.js", "display.js", "rfb.js", "jsunzip.js"]);
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