Files.app: Make NamingControll class.

ui/file_manager/file_manager/foreground/js/naming_controller.js

Index: ui/file_manager/file_manager/foreground/js/naming_controller.js
diff --git a/ui/file_manager/file_manager/foreground/js/naming_controller.js b/ui/file_manager/file_manager/foreground/js/naming_controller.js
new file mode 100644
index 0000000000000000000000000000000000000000..3833a0736625735d201d5009f5d41ccff35efd09
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+++ b/ui/file_manager/file_manager/foreground/js/naming_controller.js
@@ -0,0 +1,52 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/**
+ * Controller to handle naming.
+ *
+ * @param {!FileFilter} fileFilter
+ * @param {!cr.ui.dialogs.AlertDialog} alertDialog
+ * @constructor
+ * @struct
+ */
+function NamingController(fileFilter, alertDialog) {
+  /**
+   * File filter.
+   * @type {!FileFilter}
+   * @const
+   * @private
+   */
+  this.fileFilter_ = fileFilter;
+
+  /**
+   * Alert dialog.
+   * @type {!cr.ui.dialogs.AlertDialog}
+   * @const
+   * @private
+   */
+  this.alertDialog_ = alertDialog;
+}
+
+/**
+ * Verifies the user entered name for file or folder to be created or
+ * renamed to. See also util.validateFileName.
+ *
+ * @param {DirectoryEntry} parentEntry The URL of the parent directory entry.
+ * @param {string} name New file or folder name.
+ * @param {function(boolean)} onDone Function to invoke when user closes the
+ *    warning box or immediatelly if file name is correct. If the name was
+ *    valid it is passed true, and false otherwise.
+ */
+NamingController.prototype.validateFileName = function(
+    parentEntry, name, onDone) {
+  var fileNameErrorPromise = util.validateFileName(
+      parentEntry,
+      name,
+      this.fileFilter_.isFilterHiddenOn());
+  fileNameErrorPromise.then(onDone.bind(null, true), function(message) {
+    this.alertDialog_.show(message, onDone.bind(null, false));
+  }.bind(this)).catch(function(error) {
+    console.error(error.stack || error);
+  });
+};