| /* |
| * |
| * 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 application data. |
| * @param type local file system type |
| * @param size indicates how much storage space, in bytes, the application 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; |
| })(); |