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* The copyright in this software is being made available under the BSD License,
* included below. This software may be subject to other third party and contributor
* rights, including patent rights, and no such rights are granted under this license.
*
* Copyright (c) 2013, Dash Industry Forum.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
* * Neither the name of Dash Industry Forum nor the names of its
* contributors may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
import FactoryMaker from '../../core/FactoryMaker.js';
import Utils from '../../core/Utils.js';
/**
* @module XHRLoader
* @ignore
* @description Manages download of resources via HTTP.
*/
function XHRLoader() {
let instance;
let xhr;
/**
* Load request
* @param {CommonMediaRequest} commonMediaRequest
* @param {CommonMediaResponse} commonMediaResponse
*/
function load(commonMediaRequest, commonMediaResponse) {
xhr = null;
xhr = new XMLHttpRequest();
xhr.open(commonMediaRequest.method, commonMediaRequest.url, true);
if (commonMediaRequest.responseType) {
xhr.responseType = commonMediaRequest.responseType;
}
if (commonMediaRequest.headers) {
for (let header in commonMediaRequest.headers) {
let value = commonMediaRequest.headers[header];
if (value) {
xhr.setRequestHeader(header, value);
}
}
}
xhr.withCredentials = commonMediaRequest.credentials === 'include';
xhr.timeout = commonMediaRequest.timeout;
xhr.onload = function () {
commonMediaResponse.url = this.responseURL;
commonMediaResponse.status = this.status;
commonMediaResponse.statusText = this.statusText;
commonMediaResponse.headers = Utils.parseHttpHeaders(this.getAllResponseHeaders());
commonMediaResponse.data = this.response;
}
if (commonMediaRequest.customData) {
xhr.onloadend = commonMediaRequest.customData.onloadend;
xhr.onprogress = commonMediaRequest.customData.onprogress;
xhr.onabort = commonMediaRequest.customData.onabort;
xhr.ontimeout = commonMediaRequest.customData.ontimeout;
}
xhr.send();
commonMediaRequest.customData.abort = abort.bind(this);
return true;
}
function abort() {
if (xhr) {
xhr.onloadend = xhr.onerror = xhr.onprogress = xhr.onload = null; // Remove event listeners
xhr.abort();
xhr = null;
}
}
function getXhr() {
return xhr
}
function resetInitialSettings() {
abort();
}
function reset() {
abort();
instance = null;
}
instance = {
load,
abort,
getXhr,
reset,
resetInitialSettings
};
return instance;
}
XHRLoader.__dashjs_factory_name = 'XHRLoader';
const factory = FactoryMaker.getClassFactory(XHRLoader);
export default factory;
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