| /* |
| * |
| * 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'), |
| FileError = require('./FileError') ; |
| |
| /** |
| * An interface that lists the files and directories in a directory. |
| */ |
| function DirectoryReader(path) { |
| this.path = path || null; |
| this.hasReadEntries = false; |
| } |
| |
| /** |
| * Returns a list of entries from a directory. |
| * |
| * @param {Function} successCallback is called with a list of entries |
| * @param {Function} errorCallback is called with a FileError |
| */ |
| DirectoryReader.prototype.readEntries = function(successCallback, errorCallback) { |
| // If we've already read and passed on this directory's entries, return an empty list. |
| if (this.hasReadEntries) { |
| successCallback([]); |
| return; |
| } |
| var reader = this; |
| var win = typeof successCallback !== 'function' ? null : function(result) { |
| var retVal = []; |
| for (var i=0; i<result.length; i++) { |
| var entry = null; |
| if (result[i].isDirectory) { |
| entry = new (require('./DirectoryEntry'))(); |
| } |
| else if (result[i].isFile) { |
| entry = new (require('./FileEntry'))(); |
| } |
| entry.isDirectory = result[i].isDirectory; |
| entry.isFile = result[i].isFile; |
| entry.name = result[i].name; |
| entry.fullPath = result[i].fullPath; |
| retVal.push(entry); |
| } |
| reader.hasReadEntries = true; |
| successCallback(retVal); |
| }; |
| var fail = typeof errorCallback !== 'function' ? null : function(code) { |
| errorCallback(new FileError(code)); |
| }; |
| exec(win, fail, "File", "readEntries", [this.path]); |
| }; |
| |
| module.exports = DirectoryReader; |