libpdfviewer/app/src/main/assets/pdf.worker.js

/**
 * @licstart The following is the entire license notice for the
 * Javascript code in this page
 *
 * Copyright 2020 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @licend The above is the entire license notice for the
 * Javascript code in this page
 */
!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define("pdfjs-dist/build/pdf.worker",[],t):"object"==typeof exports?exports["pdfjs-dist/build/pdf.worker"]=t():e["pdfjs-dist/build/pdf.worker"]=e.pdfjsWorker=t()}(this,(function(){return function(e){var t={};function a(r){if(t[r])return t[r].exports;var i=t[r]={i:r,l:!1,exports:{}};e[r].call(i.exports,i,i.exports,a);i.l=!0;return i.exports}a.m=e;a.c=t;a.d=function(e,t,r){a.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:r})};a.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"});Object.defineProperty(e,"__esModule",{value:!0})};a.t=function(e,t){1&t&&(e=a(e));if(8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var r=Object.create(null);a.r(r);Object.defineProperty(r,"default",{enumerable:!0,value:e});if(2&t&&"string"!=typeof e)for(var i in e)a.d(r,i,function(t){return e[t]}.bind(null,i));return r};a.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};a.d(t,"a",t);return t};a.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)};a.p="";return a(a.s=0)}([function(e,t,a){"use strict";const r=a(1);t.WorkerMessageHandler=r.WorkerMessageHandler},function(e,t,a){"use strict";Object.defineProperty(t,"__esModule",{value:!0});t.WorkerMessageHandler=t.WorkerTask=void 0;var r=a(2),i=a(4),n=a(5),s=a(44),o=a(45),c=a(46),l=a(7),h=function(){function e(e){this.name=e;this.terminated=!1;this._capability=(0,r.createPromiseCapability)()}e.prototype={get finished(){return this._capability.promise},finish(){this._capability.resolve()},terminate(){this.terminated=!0},ensureNotTerminated(){if(this.terminated)throw new Error("Worker task was terminated")}};return e}();t.WorkerTask=h;var u,d={setup(e,t){var a=!1;e.on("test",(function(t){if(a)return;a=!0;if(!(t instanceof Uint8Array)){e.send("test",null);return}const r=255===t[0];e.postMessageTransfers=r;e.send("test",{supportTransfers:r})}));e.on("configure",(function(e){(0,r.setVerbosityLevel)(e.verbosity)}));e.on("GetDocRequest",(function(e){return d.createDocumentHandler(e,t)}))},createDocumentHandler(e,t){var a,s=!1,u=null,d=[];const f=(0,r.getVerbosityLevel)(),g=e.apiVersion;if("2.4.456"!==g)throw new Error(`The API version "${g}" does not match `+'the Worker version "2.4.456".');const m=[];for(const e in[])m.push(e);if(m.length)throw new Error("The `Array.prototype` contains unexpected enumerable properties: "+m.join(", ")+"; thus breaking e.g. `for...in` iteration of `Array`s.");var p=e.docId,b=e.docBaseUrl,y=e.docId+"_worker",v=new o.MessageHandler(y,p,t);v.postMessageTransfers=e.postMessageTransfers;function w(){if(s)throw new Error("Worker was terminated")}function k(e){d.push(e)}function S(e){e.finish();var t=d.indexOf(e);d.splice(t,1)}async function C(e){await a.ensureDoc("checkHeader");await a.ensureDoc("parseStartXRef");await a.ensureDoc("parse",[e]);e||await a.ensureDoc("checkFirstPage");const[t,r]=await Promise.all([a.ensureDoc("numPages"),a.ensureDoc("fingerprint")]);return{numPages:t,fingerprint:r}}function x(e,t){var a,i=(0,r.createPromiseCapability)(),s=e.source;if(s.data){try{a=new n.LocalPdfManager(p,s.data,s.password,t,b);i.resolve(a)}catch(e){i.reject(e)}return i.promise}var o,l=[];try{o=new c.PDFWorkerStream(v)}catch(e){i.reject(e);return i.promise}var h=o.getFullReader();h.headersReady.then((function(){if(h.isRangeSupported){var e=s.disableAutoFetch||h.isStreamingSupported;a=new n.NetworkPdfManager(p,o,{msgHandler:v,password:s.password,length:h.contentLength,disableAutoFetch:e,rangeChunkSize:s.rangeChunkSize},t,b);for(let e=0;e<l.length;e++)a.sendProgressiveData(l[e]);l=[];i.resolve(a);u=null}})).catch((function(e){i.reject(e);u=null}));var d=0;new Promise((function(e,o){var c=function(e){try{w();if(e.done){a||function(){var e=(0,r.arraysToBytes)(l);s.length&&e.length!==s.length&&(0,r.warn)("reported HTTP length is different from actual");try{a=new n.LocalPdfManager(p,e,s.password,t,b);i.resolve(a)}catch(e){i.reje