/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * The contents of this file are subject to the Netscape Public
 * License Version 1.1 (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.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1998 Netscape Communications Corporation. All
 * Rights Reserved.
 *
 * Contributor(s): 
 */
 
#include "nsICollection.idl"
#include "nsIFolderListener.idl"

interface nsISupportsArray;

[scriptable, uuid(75621650-0fce-11d3-8b49-006008948010)]
interface nsIFolder : nsICollection {

	readonly attribute string URI;
	attribute wstring name;
	attribute wstring prettyName;
	readonly attribute wstring abbreviatedName;

	nsISupports GetChildNamed(in string name);
	attribute nsIFolder parent;

	nsIEnumerator GetSubFolders();
	readonly attribute boolean hasSubFolders;

	void AddFolderListener(in nsIFolderListener listener);
	void RemoveFolderListener(in nsIFolderListener listener);
	nsIFolder FindSubFolder(in string subFolderName);

  void NotifyPropertyChanged(in nsIAtom property,
                             in string oldValue,
                             in string newValue);
  void NotifyIntPropertyChanged(in nsIAtom property,
                                in long oldValue,
                                in long newValue);
  void NotifyBoolPropertyChanged(in nsIAtom property,
                                 in boolean oldValue,
                                 in boolean newValue);
  void NotifyPropertyFlagChanged(in nsISupports item,
                                 in nsIAtom property,
                                 in unsigned long oldValue,
                                 in unsigned long newValue);
  void NotifyUnicharPropertyChanged(in nsIAtom property,
                                    in wstring oldValue,
                                    in wstring newValue);
  
  void NotifyItemAdded(in nsISupports parentItem, in nsISupports item, in string viewString);
  void NotifyItemDeleted(in nsISupports parentItem, in nsISupports item, in string viewString);

  void NotifyFolderEvent(in nsIAtom event);
  
  //  void NotifyFolderLoaded();
  //  void NotifyDeleteOrMoveMessagesCompleted(in nsIFolder folder);

  // lists all descendents, not just first level children
  void ListDescendents(in nsISupportsArray descendents);  
	void Shutdown(in boolean shutdownChildren);
};