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authorArjun Roychowdhury <pliablepixels@gmail.com>2015-10-31 08:21:38 -0400
committerArjun Roychowdhury <pliablepixels@gmail.com>2015-10-31 08:21:38 -0400
commit02811010cf62f1b21a06780d1e470d04bb24c50f (patch)
tree0d933789068aac11c810ed4bb169d14ab16c43c6 /plugins/cordova-plugin-file/www/FileReader.js
parentbca561c1b3989d62a1fba829e0380c6fbf36caf5 (diff)
removed unecessary files from git
Diffstat (limited to 'plugins/cordova-plugin-file/www/FileReader.js')
-rw-r--r--plugins/cordova-plugin-file/www/FileReader.js390
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diff --git a/plugins/cordova-plugin-file/www/FileReader.js b/plugins/cordova-plugin-file/www/FileReader.js
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--- a/plugins/cordova-plugin-file/www/FileReader.js
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@@ -1,390 +0,0 @@
-/*
- *
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements. See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership. The ASF licenses this file
- * to you 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.
- *
-*/
-
-var exec = require('cordova/exec'),
- modulemapper = require('cordova/modulemapper'),
- utils = require('cordova/utils'),
- File = require('./File'),
- FileError = require('./FileError'),
- ProgressEvent = require('./ProgressEvent'),
- origFileReader = modulemapper.getOriginalSymbol(window, 'FileReader');
-
-/**
- * This class reads the mobile device file system.
- *
- * For Android:
- * The root directory is the root of the file system.
- * To read from the SD card, the file name is "sdcard/my_file.txt"
- * @constructor
- */
-var FileReader = function() {
- this._readyState = 0;
- this._error = null;
- this._result = null;
- this._localURL = '';
- this._realReader = origFileReader ? new origFileReader() : {};
-};
-
-// States
-FileReader.EMPTY = 0;
-FileReader.LOADING = 1;
-FileReader.DONE = 2;
-
-utils.defineGetter(FileReader.prototype, 'readyState', function() {
- return this._localURL ? this._readyState : this._realReader.readyState;
-});
-
-utils.defineGetter(FileReader.prototype, 'error', function() {
- return this._localURL ? this._error: this._realReader.error;
-});
-
-utils.defineGetter(FileReader.prototype, 'result', function() {
- return this._localURL ? this._result: this._realReader.result;
-});
-
-function defineEvent(eventName) {
- utils.defineGetterSetter(FileReader.prototype, eventName, function() {
- return this._realReader[eventName] || null;
- }, function(value) {
- this._realReader[eventName] = value;
- });
-}
-defineEvent('onloadstart'); // When the read starts.
-defineEvent('onprogress'); // While reading (and decoding) file or fileBlob data, and reporting partial file data (progress.loaded/progress.total)
-defineEvent('onload'); // When the read has successfully completed.
-defineEvent('onerror'); // When the read has failed (see errors).
-defineEvent('onloadend'); // When the request has completed (either in success or failure).
-defineEvent('onabort'); // When the read has been aborted. For instance, by invoking the abort() method.
-
-function initRead(reader, file) {
- // Already loading something
- if (reader.readyState == FileReader.LOADING) {
- throw new FileError(FileError.INVALID_STATE_ERR);
- }
-
- reader._result = null;
- reader._error = null;
- reader._readyState = FileReader.LOADING;
-
- if (typeof file.localURL == 'string') {
- reader._localURL = file.localURL;
- } else {
- reader._localURL = '';
- return true;
- }
-
- reader.onloadstart && reader.onloadstart(new ProgressEvent("loadstart", {target:reader}));
-}
-
-/**
- * Abort reading file.
- */
-FileReader.prototype.abort = function() {
- if (origFileReader && !this._localURL) {
- return this._realReader.abort();
- }
- this._result = null;
-
- if (this._readyState == FileReader.DONE || this._readyState == FileReader.EMPTY) {
- return;
- }
-
- this._readyState = FileReader.DONE;
-
- // If abort callback
- if (typeof this.onabort === 'function') {
- this.onabort(new ProgressEvent('abort', {target:this}));
- }
- // If load end callback
- if (typeof this.onloadend === 'function') {
- this.onloadend(new ProgressEvent('loadend', {target:this}));
- }
-};
-
-/**
- * Read text file.
- *
- * @param file {File} File object containing file properties
- * @param encoding [Optional] (see http://www.iana.org/assignments/character-sets)
- */
-FileReader.prototype.readAsText = function(file, encoding) {
- if (initRead(this, file)) {
- return this._realReader.readAsText(file, encoding);
- }
-
- // Default encoding is UTF-8
- var enc = encoding ? encoding : "UTF-8";
- var me = this;
- var execArgs = [this._localURL, enc, file.start, file.end];
-
- // Read file
- exec(
- // Success callback
- function(r) {
- // If DONE (cancelled), then don't do anything
- if (me._readyState === FileReader.DONE) {
- return;
- }
-
- // DONE state
- me._readyState = FileReader.DONE;
-
- // Save result
- me._result = r;
-
- // If onload callback
- if (typeof me.onload === "function") {
- me.onload(new ProgressEvent("load", {target:me}));
- }
-
- // If onloadend callback
- if (typeof me.onloadend === "function") {
- me.onloadend(new ProgressEvent("loadend", {target:me}));
- }
- },
- // Error callback
- function(e) {
- // If DONE (cancelled), then don't do anything
- if (me._readyState === FileReader.DONE) {
- return;
- }
-
- // DONE state
- me._readyState = FileReader.DONE;
-
- // null result
- me._result = null;
-
- // Save error
- me._error = new FileError(e);
-
- // If onerror callback
- if (typeof me.onerror === "function") {
- me.onerror(new ProgressEvent("error", {target:me}));
- }
-
- // If onloadend callback
- if (typeof me.onloadend === "function") {
- me.onloadend(new ProgressEvent("loadend", {target:me}));
- }
- }, "File", "readAsText", execArgs);
-};
-
-
-/**
- * Read file and return data as a base64 encoded data url.
- * A data url is of the form:
- * data:[<mediatype>][;base64],<data>
- *
- * @param file {File} File object containing file properties
- */
-FileReader.prototype.readAsDataURL = function(file) {
- if (initRead(this, file)) {
- return this._realReader.readAsDataURL(file);
- }
-
- var me = this;
- var execArgs = [this._localURL, file.start, file.end];
-
- // Read file
- exec(
- // Success callback
- function(r) {
- // If DONE (cancelled), then don't do anything
- if (me._readyState === FileReader.DONE) {
- return;
- }
-
- // DONE state
- me._readyState = FileReader.DONE;
-
- // Save result
- me._result = r;
-
- // If onload callback
- if (typeof me.onload === "function") {
- me.onload(new ProgressEvent("load", {target:me}));
- }
-
- // If onloadend callback
- if (typeof me.onloadend === "function") {
- me.onloadend(new ProgressEvent("loadend", {target:me}));
- }
- },
- // Error callback
- function(e) {
- // If DONE (cancelled), then don't do anything
- if (me._readyState === FileReader.DONE) {
- return;
- }
-
- // DONE state
- me._readyState = FileReader.DONE;
-
- me._result = null;
-
- // Save error
- me._error = new FileError(e);
-
- // If onerror callback
- if (typeof me.onerror === "function") {
- me.onerror(new ProgressEvent("error", {target:me}));
- }
-
- // If onloadend callback
- if (typeof me.onloadend === "function") {
- me.onloadend(new ProgressEvent("loadend", {target:me}));
- }
- }, "File", "readAsDataURL", execArgs);
-};
-
-/**
- * Read file and return data as a binary data.
- *
- * @param file {File} File object containing file properties
- */
-FileReader.prototype.readAsBinaryString = function(file) {
- if (initRead(this, file)) {
- return this._realReader.readAsBinaryString(file);
- }
-
- var me = this;
- var execArgs = [this._localURL, file.start, file.end];
-
- // Read file
- exec(
- // Success callback
- function(r) {
- // If DONE (cancelled), then don't do anything
- if (me._readyState === FileReader.DONE) {
- return;
- }
-
- // DONE state
- me._readyState = FileReader.DONE;
-
- me._result = r;
-
- // If onload callback
- if (typeof me.onload === "function") {
- me.onload(new ProgressEvent("load", {target:me}));
- }
-
- // If onloadend callback
- if (typeof me.onloadend === "function") {
- me.onloadend(new ProgressEvent("loadend", {target:me}));
- }
- },
- // Error callback
- function(e) {
- // If DONE (cancelled), then don't do anything
- if (me._readyState === FileReader.DONE) {
- return;
- }
-
- // DONE state
- me._readyState = FileReader.DONE;
-
- me._result = null;
-
- // Save error
- me._error = new FileError(e);
-
- // If onerror callback
- if (typeof me.onerror === "function") {
- me.onerror(new ProgressEvent("error", {target:me}));
- }
-
- // If onloadend callback
- if (typeof me.onloadend === "function") {
- me.onloadend(new ProgressEvent("loadend", {target:me}));
- }
- }, "File", "readAsBinaryString", execArgs);
-};
-
-/**
- * Read file and return data as a binary data.
- *
- * @param file {File} File object containing file properties
- */
-FileReader.prototype.readAsArrayBuffer = function(file) {
- if (initRead(this, file)) {
- return this._realReader.readAsArrayBuffer(file);
- }
-
- var me = this;
- var execArgs = [this._localURL, file.start, file.end];
-
- // Read file
- exec(
- // Success callback
- function(r) {
- // If DONE (cancelled), then don't do anything
- if (me._readyState === FileReader.DONE) {
- return;
- }
-
- // DONE state
- me._readyState = FileReader.DONE;
-
- if (r instanceof Array) {
- r = new Uint8Array(r).buffer;
- }
- me._result = r;
-
- // If onload callback
- if (typeof me.onload === "function") {
- me.onload(new ProgressEvent("load", {target:me}));
- }
-
- // If onloadend callback
- if (typeof me.onloadend === "function") {
- me.onloadend(new ProgressEvent("loadend", {target:me}));
- }
- },
- // Error callback
- function(e) {
- // If DONE (cancelled), then don't do anything
- if (me._readyState === FileReader.DONE) {
- return;
- }
-
- // DONE state
- me._readyState = FileReader.DONE;
-
- me._result = null;
-
- // Save error
- me._error = new FileError(e);
-
- // If onerror callback
- if (typeof me.onerror === "function") {
- me.onerror(new ProgressEvent("error", {target:me}));
- }
-
- // If onloadend callback
- if (typeof me.onloadend === "function") {
- me.onloadend(new ProgressEvent("loadend", {target:me}));
- }
- }, "File", "readAsArrayBuffer", execArgs);
-};
-
-module.exports = FileReader;