62 lines
1.3 KiB
JavaScript
62 lines
1.3 KiB
JavaScript
/**
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* @license Copyright (c) 2003-2018, CKSource - Frederico Knabben. All rights reserved.
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* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
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*/
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'use strict';
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// Slow down the upload process.
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// This trick works only on Chrome.
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( function() {
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XMLHttpRequest.prototype.baseSend = XMLHttpRequest.prototype.send;
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XMLHttpRequest.prototype.send = function( data ) {
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var baseOnProgress = this.onprogress,
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baseOnLoad = this.onload;
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this.onprogress = function() {};
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this.onload = function( evt ) {
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// Total file size.
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var total = 1163,
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step = Math.round( total / 10 ),
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loaded = 0,
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xhr = this;
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function progress() {
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setTimeout( function() {
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if ( xhr.aborted ) {
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return;
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}
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loaded += step;
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if ( loaded > total ) {
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loaded = total;
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}
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if ( loaded > step * 4 && xhr.responseText.indexOf( 'incorrectFile' ) > 0 ) {
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xhr.aborted = true;
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xhr.onerror();
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} else if ( loaded < total ) {
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evt.loaded = loaded;
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baseOnProgress( { loaded: loaded } );
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progress();
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} else {
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baseOnLoad( evt );
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}
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}, 300 );
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}
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progress();
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};
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this.abort = function() {
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this.aborted = true;
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this.onabort();
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};
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this.baseSend( data );
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};
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} )();
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