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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.
+ *
+*/
+
+(function () {
+ /* global require */
+
+ // Only Chrome uses this file.
+ if (!require('./isChrome')()) {
+ return;
+ }
+
+ var channel = require('cordova/channel');
+ var FileError = require('./FileError');
+ var PERSISTENT_FS_QUOTA = 5 * 1024 * 1024;
+ var filePluginIsReadyEvent = new Event('filePluginIsReady'); // eslint-disable-line no-undef
+
+ var entryFunctionsCreated = false;
+ var quotaWasRequested = false;
+ var eventWasThrown = false;
+
+ if (!window.requestFileSystem) {
+ window.requestFileSystem = function (type, size, win, fail) {
+ if (fail) {
+ fail('Not supported');
+ }
+ };
+ } else {
+ window.requestFileSystem(window.TEMPORARY, 1, createFileEntryFunctions, function () {});
+ }
+
+ if (!window.resolveLocalFileSystemURL) {
+ window.resolveLocalFileSystemURL = function (url, win, fail) {
+ if (fail) {
+ fail('Not supported');
+ }
+ };
+ }
+
+ // Resolves a filesystem entry by its path - which is passed either in standard (filesystem:file://) or
+ // Cordova-specific (cdvfile://) universal way.
+ // Aligns with specification: http://www.w3.org/TR/2011/WD-file-system-api-20110419/#widl-LocalFileSystem-resolveLocalFileSystemURL
+ var nativeResolveLocalFileSystemURL = window.resolveLocalFileSystemURL || window.webkitResolveLocalFileSystemURL;
+ window.resolveLocalFileSystemURL = function (url, win, fail) {
+ /* If url starts with `cdvfile` then we need convert it to Chrome real url first:
+ cdvfile://localhost/persistent/path/to/file -> filesystem:file://persistent/path/to/file */
+ if (url.trim().substr(0, 7) === 'cdvfile') {
+ /* Quirk:
+ Plugin supports cdvfile://localhost (local resources) only.
+ I.e. external resources are not supported via cdvfile. */
+ if (url.indexOf('cdvfile://localhost') !== -1) {
+ // Browser supports temporary and persistent only
+ var indexPersistent = url.indexOf('persistent');
+ var indexTemporary = url.indexOf('temporary');
+
+ /* Chrome urls start with 'filesystem:' prefix. See quirk:
+ toURL function in Chrome returns filesystem:-prefixed path depending on application host.
+ For example, filesystem:file:///persistent/somefile.txt,
+ filesystem:http://localhost:8080/persistent/somefile.txt. */
+ var prefix = 'filesystem:file:///';
+ if (location.protocol !== 'file:') { // eslint-disable-line no-undef
+ prefix = 'filesystem:' + location.origin + '/'; // eslint-disable-line no-undef
+ }
+
+ var result;
+ if (indexPersistent !== -1) {
+ // cdvfile://localhost/persistent/path/to/file -> filesystem:file://persistent/path/to/file
+ // or filesystem:http://localhost:8080/persistent/path/to/file
+ result = prefix + 'persistent' + url.substr(indexPersistent + 10);
+ nativeResolveLocalFileSystemURL(result, win, fail);
+ return;
+ }
+
+ if (indexTemporary !== -1) {
+ // cdvfile://localhost/temporary/path/to/file -> filesystem:file://temporary/path/to/file
+ // or filesystem:http://localhost:8080/temporary/path/to/file
+ result = prefix + 'temporary' + url.substr(indexTemporary + 9);
+ nativeResolveLocalFileSystemURL(result, win, fail);
+ return;
+ }
+ }
+
+ // cdvfile other than local file resource is not supported
+ if (fail) {
+ fail(new FileError(FileError.ENCODING_ERR));
+ }
+ } else {
+ nativeResolveLocalFileSystemURL(url, win, fail);
+ }
+ };
+
+ function createFileEntryFunctions (fs) {
+ fs.root.getFile('todelete_658674_833_4_cdv', {create: true}, function (fileEntry) {
+ var fileEntryType = Object.getPrototypeOf(fileEntry);
+ var entryType = Object.getPrototypeOf(fileEntryType);
+
+ // Save the original method
+ var origToURL = entryType.toURL;
+ entryType.toURL = function () {
+ var origURL = origToURL.call(this);
+ if (this.isDirectory && origURL.substr(-1) !== '/') {
+ return origURL + '/';
+ }
+ return origURL;
+ };
+
+ entryType.toNativeURL = function () {
+ console.warn("DEPRECATED: Update your code to use 'toURL'");
+ return this.toURL();
+ };
+
+ entryType.toInternalURL = function () {
+ if (this.toURL().indexOf('persistent') > -1) {
+ return 'cdvfile://localhost/persistent' + this.fullPath;
+ }
+
+ if (this.toURL().indexOf('temporary') > -1) {
+ return 'cdvfile://localhost/temporary' + this.fullPath;
+ }
+ };
+
+ entryType.setMetadata = function (win, fail /*, metadata */) {
+ if (fail) {
+ fail('Not supported');
+ }
+ };
+
+ fileEntry.createWriter(function (writer) {
+ var originalWrite = writer.write;
+ var writerProto = Object.getPrototypeOf(writer);
+ writerProto.write = function (blob) {
+ if (blob instanceof Blob) { // eslint-disable-line no-undef
+ originalWrite.apply(this, [blob]);
+ } else {
+ var realBlob = new Blob([blob]); // eslint-disable-line no-undef
+ originalWrite.apply(this, [realBlob]);
+ }
+ };
+
+ fileEntry.remove(function () { entryFunctionsCreated = true; }, function () { /* empty callback */ });
+ });
+ });
+ }
+
+ window.initPersistentFileSystem = function (size, win, fail) {
+ if (navigator.webkitPersistentStorage) {
+ navigator.webkitPersistentStorage.requestQuota(size, win, fail);
+ return;
+ }
+
+ fail('This browser does not support this function');
+ };
+
+ window.isFilePluginReadyRaised = function () { return eventWasThrown; };
+
+ window.initPersistentFileSystem(PERSISTENT_FS_QUOTA, function () {
+ console.log('Persistent fs quota granted');
+ quotaWasRequested = true;
+ }, function (e) {
+ console.log('Error occured while trying to request Persistent fs quota: ' + JSON.stringify(e));
+ });
+
+ channel.onCordovaReady.subscribe(function () {
+ function dispatchEventIfReady () {
+ if (entryFunctionsCreated && quotaWasRequested) {
+ window.dispatchEvent(filePluginIsReadyEvent);
+ eventWasThrown = true;
+ } else {
+ setTimeout(dispatchEventIfReady, 100);
+ }
+ }
+
+ dispatchEventIfReady();
+ }, false);
+})();