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/* * * 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. * */
/* * truncate * * IN: * args * 0 - URL of file to truncate * 1 - start position * OUT: * success - new length of file * fail - FileError */
var resolve = cordova.require('cordova-plugin-file.resolveLocalFileSystemURIProxy'), requestAnimationFrame = cordova.require('cordova-plugin-file.bb10RequestAnimationFrame');
module.exports = function (success, fail, args) { var uri = args[0], length = args[1], onSuccess = function (data) { if (typeof success === 'function') { success(data.loaded); } }, onFail = function (error) { if (typeof fail === 'function') { if (error && error.code) { fail(error.code); } else { fail(error); } } }; resolve(function (fs) { requestAnimationFrame(function () { fs.nativeEntry.file(function (file) { var reader = new FileReader()._realReader; reader.onloadend = function () { var contents = new Uint8Array(this.result).subarray(0, length), blob = new Blob([contents]); window.requestAnimationFrame(function () { fs.nativeEntry.createWriter(function (fileWriter) { fileWriter.onwriteend = onSuccess; fileWriter.onerror = onFail; fileWriter.write(blob); }, onFail); }); }; reader.onerror = onFail; reader.readAsArrayBuffer(file); }, onFail); }); }, onFail, [uri]); };
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