/* * * 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. * */ (function() { //For browser platform: not all browsers use this file. function checkBrowser() { if (cordova.platformId === "browser" && require('./isChrome')()) { module.exports = window.requestFileSystem || window.webkitRequestFileSystem; return true; } return false; } if (checkBrowser()) { return; } var argscheck = require('cordova/argscheck'), FileError = require('./FileError'), FileSystem = require('./FileSystem'), exec = require('cordova/exec'); var fileSystems = require('./fileSystems'); /** * Request a file system in which to store applications data. * @param type local file system type * @param size indicates how much storage space, in bytes, the applications expects to need * @param successCallback invoked with a FileSystem object * @param errorCallback invoked if error occurs retrieving file system */ var requestFileSystem = function(type, size, successCallback, errorCallback) { argscheck.checkArgs('nnFF', 'requestFileSystem', arguments); var fail = function(code) { if (errorCallback) { errorCallback(new FileError(code)); } }; if (type < 0) { fail(FileError.SYNTAX_ERR); } else { // if successful, return a FileSystem object var success = function(file_system) { if (file_system) { if (successCallback) { fileSystems.getFs(file_system.name, function(fs) { // This should happen only on platforms that haven't implemented requestAllFileSystems (windows) if (!fs) { fs = new FileSystem(file_system.name, file_system.root); } successCallback(fs); }); } } else { // no FileSystem object returned fail(FileError.NOT_FOUND_ERR); } }; exec(success, fail, "File", "requestFileSystem", [type, size]); } }; module.exports = requestFileSystem; })();