Mon 21 Jul 22:43:21 CEST 2025

js/ui/cordova/plugins/cordova-plugin-file/www/requestFileSystem.js

@@ -0,0 +1,79 @@
+/*
+ *
+ * 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) {
+            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;
+})();