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authorChristian Beier <[email protected]>2018-10-01 20:50:35 +0200
committerChristian Beier <[email protected]>2018-10-01 20:50:35 +0200
commitffe33574918cf31926ed37caef12f24e73b2d478 (patch)
treea5402503529c20741556306aff0275ddaa44b159 /webclients/novnc/app/webutil.js
parentde3a2f46b5c4913ba55dfb8c6f7c8b52136bf27a (diff)
downloadlibtdevnc-ffe33574918cf31926ed37caef12f24e73b2d478.tar.gz
libtdevnc-ffe33574918cf31926ed37caef12f24e73b2d478.zip
Update bundled noVNC to latest release 1.0.0
Closes #148
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diff --git a/webclients/novnc/app/webutil.js b/webclients/novnc/app/webutil.js
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+/*
+ * noVNC: HTML5 VNC client
+ * Copyright (C) 2012 Joel Martin
+ * Copyright (C) 2013 NTT corp.
+ * Licensed under MPL 2.0 (see LICENSE.txt)
+ *
+ * See README.md for usage and integration instructions.
+ */
+
+import { init_logging as main_init_logging } from '../core/util/logging.js';
+
+// init log level reading the logging HTTP param
+export function init_logging (level) {
+ "use strict";
+ if (typeof level !== "undefined") {
+ main_init_logging(level);
+ } else {
+ var param = document.location.href.match(/logging=([A-Za-z0-9\._\-]*)/);
+ main_init_logging(param || undefined);
+ }
+};
+
+// Read a query string variable
+export function getQueryVar (name, defVal) {
+ "use strict";
+ var re = new RegExp('.*[?&]' + name + '=([^&#]*)'),
+ match = document.location.href.match(re);
+ if (typeof defVal === 'undefined') { defVal = null; }
+ if (match) {
+ return decodeURIComponent(match[1]);
+ } else {
+ return defVal;
+ }
+};
+
+// Read a hash fragment variable
+export function getHashVar (name, defVal) {
+ "use strict";
+ var re = new RegExp('.*[&#]' + name + '=([^&]*)'),
+ match = document.location.hash.match(re);
+ if (typeof defVal === 'undefined') { defVal = null; }
+ if (match) {
+ return decodeURIComponent(match[1]);
+ } else {
+ return defVal;
+ }
+};
+
+// Read a variable from the fragment or the query string
+// Fragment takes precedence
+export function getConfigVar (name, defVal) {
+ "use strict";
+ var val = getHashVar(name);
+ if (val === null) {
+ val = getQueryVar(name, defVal);
+ }
+ return val;
+};
+
+/*
+ * Cookie handling. Dervied from: http://www.quirksmode.org/js/cookies.html
+ */
+
+// No days means only for this browser session
+export function createCookie (name, value, days) {
+ "use strict";
+ var date, expires;
+ if (days) {
+ date = new Date();
+ date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
+ expires = "; expires=" + date.toGMTString();
+ } else {
+ expires = "";
+ }
+
+ var secure;
+ if (document.location.protocol === "https:") {
+ secure = "; secure";
+ } else {
+ secure = "";
+ }
+ document.cookie = name + "=" + value + expires + "; path=/" + secure;
+};
+
+export function readCookie (name, defaultValue) {
+ "use strict";
+ var nameEQ = name + "=",
+ ca = document.cookie.split(';');
+
+ for (var i = 0; i < ca.length; i += 1) {
+ var c = ca[i];
+ while (c.charAt(0) === ' ') { c = c.substring(1, c.length); }
+ if (c.indexOf(nameEQ) === 0) { return c.substring(nameEQ.length, c.length); }
+ }
+ return (typeof defaultValue !== 'undefined') ? defaultValue : null;
+};
+
+export function eraseCookie (name) {
+ "use strict";
+ createCookie(name, "", -1);
+};
+
+/*
+ * Setting handling.
+ */
+
+var settings = {};
+
+export function initSettings (callback /*, ...callbackArgs */) {
+ "use strict";
+ var callbackArgs = Array.prototype.slice.call(arguments, 1);
+ if (window.chrome && window.chrome.storage) {
+ window.chrome.storage.sync.get(function (cfg) {
+ settings = cfg;
+ if (callback) {
+ callback.apply(this, callbackArgs);
+ }
+ });
+ } else {
+ // No-op
+ if (callback) {
+ callback.apply(this, callbackArgs);
+ }
+ }
+};
+
+// No days means only for this browser session
+export function writeSetting (name, value) {
+ "use strict";
+ if (window.chrome && window.chrome.storage) {
+ if (settings[name] !== value) {
+ settings[name] = value;
+ window.chrome.storage.sync.set(settings);
+ }
+ } else {
+ localStorage.setItem(name, value);
+ }
+};
+
+export function readSetting (name, defaultValue) {
+ "use strict";
+ var value;
+ if (window.chrome && window.chrome.storage) {
+ value = settings[name];
+ } else {
+ value = localStorage.getItem(name);
+ }
+ if (typeof value === "undefined") {
+ value = null;
+ }
+ if (value === null && typeof defaultValue !== "undefined") {
+ return defaultValue;
+ } else {
+ return value;
+ }
+};
+
+export function eraseSetting (name) {
+ "use strict";
+ if (window.chrome && window.chrome.storage) {
+ window.chrome.storage.sync.remove(name);
+ delete settings[name];
+ } else {
+ localStorage.removeItem(name);
+ }
+};
+
+export function injectParamIfMissing (path, param, value) {
+ // force pretend that we're dealing with a relative path
+ // (assume that we wanted an extra if we pass one in)
+ path = "/" + path;
+
+ var elem = document.createElement('a');
+ elem.href = path;
+
+ var param_eq = encodeURIComponent(param) + "=";
+ var query;
+ if (elem.search) {
+ query = elem.search.slice(1).split('&');
+ } else {
+ query = [];
+ }
+
+ if (!query.some(function (v) { return v.startsWith(param_eq); })) {
+ query.push(param_eq + encodeURIComponent(value));
+ elem.search = "?" + query.join("&");
+ }
+
+ // some browsers (e.g. IE11) may occasionally omit the leading slash
+ // in the elem.pathname string. Handle that case gracefully.
+ if (elem.pathname.charAt(0) == "/") {
+ return elem.pathname.slice(1) + elem.search + elem.hash;
+ } else {
+ return elem.pathname + elem.search + elem.hash;
+ }
+};
+
+// sadly, we can't use the Fetch API until we decide to drop
+// IE11 support or polyfill promises and fetch in IE11.
+// resolve will receive an object on success, while reject
+// will receive either an event or an error on failure.
+export function fetchJSON(path, resolve, reject) {
+ // NB: IE11 doesn't support JSON as a responseType
+ var req = new XMLHttpRequest();
+ req.open('GET', path);
+
+ req.onload = function () {
+ if (req.status === 200) {
+ try {
+ var resObj = JSON.parse(req.responseText);
+ } catch (err) {
+ reject(err);
+ return;
+ }
+ resolve(resObj);
+ } else {
+ reject(new Error("XHR got non-200 status while trying to load '" + path + "': " + req.status));
+ }
+ };
+
+ req.onerror = function (evt) {
+ reject(new Error("XHR encountered an error while trying to load '" + path + "': " + evt.message));
+ };
+
+ req.ontimeout = function (evt) {
+ reject(new Error("XHR timed out while trying to load '" + path + "'"));
+ };
+
+ req.send();
+}