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55 lines
1.8 KiB
55 lines
1.8 KiB
6 years ago
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/*
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* noVNC: HTML5 VNC client
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* Copyright 2017 Pierre Ossman for noVNC
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* Licensed under MPL 2.0 or any later version (see LICENSE.txt)
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*/
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/* Polyfills to provide new APIs in old browsers */
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/* Object.assign() (taken from MDN) */
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if (typeof Object.assign != 'function') {
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// Must be writable: true, enumerable: false, configurable: true
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Object.defineProperty(Object, "assign", {
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value: function assign(target, varArgs) { // .length of function is 2
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'use strict';
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if (target == null) { // TypeError if undefined or null
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throw new TypeError('Cannot convert undefined or null to object');
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}
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var to = Object(target);
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for (var index = 1; index < arguments.length; index++) {
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var nextSource = arguments[index];
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if (nextSource != null) { // Skip over if undefined or null
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for (var nextKey in nextSource) {
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// Avoid bugs when hasOwnProperty is shadowed
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if (Object.prototype.hasOwnProperty.call(nextSource, nextKey)) {
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to[nextKey] = nextSource[nextKey];
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}
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}
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}
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}
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return to;
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},
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writable: true,
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configurable: true
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});
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}
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/* CustomEvent constructor (taken from MDN) */
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(function () {
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function CustomEvent ( event, params ) {
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params = params || { bubbles: false, cancelable: false, detail: undefined };
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var evt = document.createEvent( 'CustomEvent' );
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evt.initCustomEvent( event, params.bubbles, params.cancelable, params.detail );
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return evt;
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}
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CustomEvent.prototype = window.Event.prototype;
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if (typeof window.CustomEvent !== "function") {
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window.CustomEvent = CustomEvent;
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}
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})();
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