/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla 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/MPL/
 *
 * 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 Communicator.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications.
 * Portions created by the Initial Developer are Copyright (C) 2003
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *  Kathleen Brade <brade@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"

interface nsIClipboardDragDropHooks;
interface nsISimpleEnumerator;


/**
 * Please note that the following api is not intended for embedders;
 * it is intended as an internal (to gecko).  Embedders can indirectly
 * call these by sending commands (see description in 
 * nsIClipboardDragDropHooks.idl).
 *
 * Internal gecko usage is accomplished by calling get_Interface on a
 * docshell.
 */


// 876A2015-6B66-11D7-8F18-0003938A9D96
[scriptable,uuid(876A2015-6B66-11D7-8F18-0003938A9D96)]
interface nsIClipboardDragDropHookList : nsISupports
{
  /**
   * Add a hook to list.
   * @param aHooks  implementation of hooks
   */
  void addClipboardDragDropHooks(in nsIClipboardDragDropHooks aHooks);

  /**
   * Remove a hook from list (note if this implementation is not present
   * in the list then removal will be ignored).
   * @param aHooks  implementation of hooks
   */
  void removeClipboardDragDropHooks(in nsIClipboardDragDropHooks aHooks);

  /**
   * Gets an enumerator for all hooks which have been added.
   * @return nsISimpleEnumerator for nsIClipboardDragDropHooks
   */
  nsISimpleEnumerator getHookEnumerator();
};