- Migrated from https://github.com/Yetangitu/owncloud-apps
- substantial bit rot accrued in 4 years of non-maintenance which made Reader unusable - Reader now works reliably on public pages - or at least it _Works For Me™_ - Refactored a substantial part of the code to comply to the "current" (ha ha) Nextcloud API - Dropped Owncloud compatibility for lack of a testing installation - Dropped IE (<11) support - Dropped compatibility with older (<20) Nextcloud versions - Dropped app-specific ajax code, now handled by SettingsController - Updated dependencies where applicable
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137 changed files with 30984 additions and 2 deletions
341
vendor/bitjs/archive/archive.js
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341
vendor/bitjs/archive/archive.js
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/**
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* archive.js
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*
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* Provides base functionality for unarchiving.
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*
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* Licensed under the MIT License
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*
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* Copyright(c) 2011 Google Inc.
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*/
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var bitjs = bitjs || {};
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bitjs.archive = bitjs.archive || {};
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/**
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* An unarchive event.
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*/
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bitjs.archive.UnarchiveEvent = class {
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/**
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* @param {string} type The event type.
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*/
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constructor(type) {
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/**
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* The event type.
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* @type {string}
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*/
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this.type = type;
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}
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}
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/**
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* The UnarchiveEvent types.
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*/
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bitjs.archive.UnarchiveEvent.Type = {
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START: 'start',
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PROGRESS: 'progress',
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EXTRACT: 'extract',
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FINISH: 'finish',
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INFO: 'info',
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ERROR: 'error'
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};
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/**
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* Useful for passing info up to the client (for debugging).
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*/
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bitjs.archive.UnarchiveInfoEvent = class extends bitjs.archive.UnarchiveEvent {
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/**
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* @param {string} msg The info message.
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*/
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constructor(msg) {
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super(bitjs.archive.UnarchiveEvent.Type.INFO);
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/**
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* The information message.
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* @type {string}
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*/
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this.msg = msg;
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}
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}
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/**
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* An unrecoverable error has occured.
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*/
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bitjs.archive.UnarchiveErrorEvent = class extends bitjs.archive.UnarchiveEvent {
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/**
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* @param {string} msg The error message.
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*/
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constructor(msg) {
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super(bitjs.archive.UnarchiveEvent.Type.ERROR);
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/**
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* The information message.
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* @type {string}
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*/
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this.msg = msg;
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}
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}
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/**
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* Start event.
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*/
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bitjs.archive.UnarchiveStartEvent = class extends bitjs.archive.UnarchiveEvent {
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constructor() {
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super(bitjs.archive.UnarchiveEvent.Type.START);
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}
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}
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/**
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* Finish event.
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*/
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bitjs.archive.UnarchiveFinishEvent = class extends bitjs.archive.UnarchiveEvent {
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constructor() {
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super(bitjs.archive.UnarchiveEvent.Type.FINISH);
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}
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}
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/**
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* Progress event.
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*/
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bitjs.archive.UnarchiveProgressEvent = class extends bitjs.archive.UnarchiveEvent {
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/**
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* @param {string} currentFilename
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* @param {number} currentFileNumber
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* @param {number} currentBytesUnarchivedInFile
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* @param {number} currentBytesUnarchived
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* @param {number} totalUncompressedBytesInArchive
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* @param {number} totalFilesInArchive
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*/
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constructor(currentFilename, currentFileNumber, currentBytesUnarchivedInFile,
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currentBytesUnarchived, totalUncompressedBytesInArchive, totalFilesInArchive) {
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super(bitjs.archive.UnarchiveEvent.Type.PROGRESS);
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this.currentFilename = currentFilename;
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this.currentFileNumber = currentFileNumber;
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this.currentBytesUnarchivedInFile = currentBytesUnarchivedInFile;
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this.totalFilesInArchive = totalFilesInArchive;
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this.currentBytesUnarchived = currentBytesUnarchived;
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this.totalUncompressedBytesInArchive = totalUncompressedBytesInArchive;
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}
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}
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/**
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* Extract event.
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*/
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bitjs.archive.UnarchiveExtractEvent = class extends bitjs.archive.UnarchiveEvent {
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/**
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* @param {UnarchivedFile} unarchivedFile
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*/
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constructor(unarchivedFile) {
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super(bitjs.archive.UnarchiveEvent.Type.EXTRACT);
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/**
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* @type {UnarchivedFile}
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*/
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this.unarchivedFile = unarchivedFile;
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}
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}
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/**
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* All extracted files returned by an Unarchiver will implement
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* the following interface:
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*
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* interface UnarchivedFile {
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* string filename
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* TypedArray fileData
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* }
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*
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*/
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/**
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* Base class for all Unarchivers.
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*/
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bitjs.archive.Unarchiver = class {
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/**
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* @param {ArrayBuffer} arrayBuffer The Array Buffer.
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* @param {string} opt_pathToBitJS Optional string for where the BitJS files are located.
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*/
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constructor(arrayBuffer, opt_pathToBitJS) {
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/**
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* The ArrayBuffer object.
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* @type {ArrayBuffer}
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* @protected
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*/
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this.ab = arrayBuffer;
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/**
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* The path to the BitJS files.
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* @type {string}
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* @private
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*/
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this.pathToBitJS_ = opt_pathToBitJS || '/';
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/**
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* A map from event type to an array of listeners.
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* @type {Map.<string, Array>}
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*/
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this.listeners_ = {};
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for (let type in bitjs.archive.UnarchiveEvent.Type) {
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this.listeners_[bitjs.archive.UnarchiveEvent.Type[type]] = [];
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}
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/**
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* Private web worker initialized during start().
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* @type {Worker}
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* @private
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*/
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this.worker_ = null;
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}
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/**
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* This method must be overridden by the subclass to return the script filename.
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* @return {string} The script filename.
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* @protected.
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*/
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getScriptFileName() {
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throw 'Subclasses of AbstractUnarchiver must overload getScriptFileName()';
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}
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/**
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* Adds an event listener for UnarchiveEvents.
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*
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* @param {string} Event type.
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* @param {function} An event handler function.
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*/
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addEventListener(type, listener) {
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if (type in this.listeners_) {
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if (this.listeners_[type].indexOf(listener) == -1) {
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this.listeners_[type].push(listener);
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}
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}
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}
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/**
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* Removes an event listener.
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*
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* @param {string} Event type.
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* @param {EventListener|function} An event listener or handler function.
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*/
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removeEventListener(type, listener) {
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if (type in this.listeners_) {
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const index = this.listeners_[type].indexOf(listener);
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if (index != -1) {
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this.listeners_[type].splice(index, 1);
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}
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}
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}
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/**
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* Receive an event and pass it to the listener functions.
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*
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* @param {bitjs.archive.UnarchiveEvent} e
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* @private
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*/
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handleWorkerEvent_(e) {
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if ((e instanceof bitjs.archive.UnarchiveEvent || e.type) &&
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this.listeners_[e.type] instanceof Array) {
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this.listeners_[e.type].forEach(function (listener) { listener(e) });
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if (e.type == bitjs.archive.UnarchiveEvent.Type.FINISH) {
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this.worker_.terminate();
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}
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} else {
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console.log(e);
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}
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}
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/**
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* Starts the unarchive in a separate Web Worker thread and returns immediately.
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*/
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start() {
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const me = this;
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const scriptFileName = this.pathToBitJS_ + this.getScriptFileName();
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if (scriptFileName) {
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this.worker_ = new Worker(scriptFileName);
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this.worker_.onerror = function(e) {
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console.log('Worker error: message = ' + e.message);
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throw e;
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};
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this.worker_.onmessage = function(e) {
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if (typeof e.data == 'string') {
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// Just log any strings the workers pump our way.
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console.log(e.data);
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} else {
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// Assume that it is an UnarchiveEvent. Some browsers preserve the 'type'
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// so that instanceof UnarchiveEvent returns true, but others do not.
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me.handleWorkerEvent_(e.data);
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}
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};
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this.worker_.postMessage({file: this.ab});
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}
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}
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/**
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* Terminates the Web Worker for this Unarchiver and returns immediately.
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*/
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stop() {
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if (this.worker_) {
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this.worker_.terminate();
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}
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}
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}
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/**
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* Unzipper
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*/
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bitjs.archive.Unzipper = class extends bitjs.archive.Unarchiver {
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constructor(arrayBuffer, opt_pathToBitJS) {
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super(arrayBuffer, opt_pathToBitJS);
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}
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getScriptFileName() { return 'archive/unzip.js'; }
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}
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/**
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* Unrarrer
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*/
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bitjs.archive.Unrarrer = class extends bitjs.archive.Unarchiver {
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constructor(arrayBuffer, opt_pathToBitJS) {
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super(arrayBuffer, opt_pathToBitJS);
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}
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getScriptFileName() { return 'archive/unrar.js'; }
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}
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/**
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* Untarrer
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* @extends {bitjs.archive.Unarchiver}
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* @constructor
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*/
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bitjs.archive.Untarrer = class extends bitjs.archive.Unarchiver {
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constructor(arrayBuffer, opt_pathToBitJS) {
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super(arrayBuffer, opt_pathToBitJS);
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}
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getScriptFileName() { return 'archive/untar.js'; };
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}
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/**
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* Factory method that creates an unarchiver based on the byte signature found
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* in the arrayBuffer.
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* @param {ArrayBuffer} ab
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* @param {string=} opt_pathToBitJS Path to the unarchiver script files.
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* @return {bitjs.archive.Unarchiver}
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*/
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bitjs.archive.GetUnarchiver = function(ab, opt_pathToBitJS) {
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let unarchiver = null;
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const pathToBitJS = opt_pathToBitJS || '';
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const h = new Uint8Array(ab, 0, 10);
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if (h[0] == 0x52 && h[1] == 0x61 && h[2] == 0x72 && h[3] == 0x21) { // Rar!
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unarchiver = new bitjs.archive.Unrarrer(ab, pathToBitJS);
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} else if (h[0] == 0x50 && h[1] == 0x4B) { // PK (Zip)
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unarchiver = new bitjs.archive.Unzipper(ab, pathToBitJS);
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} else { // Try with tar
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unarchiver = new bitjs.archive.Untarrer(ab, pathToBitJS);
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}
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return unarchiver;
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};
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