/* ***** 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 the Instantbird messenging client, released
 * 2008.
 *
 * The Initial Developer of the Original Code is
 * Alexandre Abraham <goulagman@instantbird.org>.
 * Portions created by the Initial Developer are Copyright (C) 2008
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * 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 ***** */

#ifndef PURPLE_G_LIST_ENUMERATOR_H
# define PURPLE_G_LIST_ENUMERATOR_H

# include <glib.h>
# include "nsISimpleEnumerator.h"

class purpleGListEnumerator : public nsISimpleEnumerator
{
public:
  NS_DECL_ISUPPORTS
  NS_DECL_NSISIMPLEENUMERATOR

  // Ctor
  purpleGListEnumerator();

  // Dtor
  ~purpleGListEnumerator();

  typedef nsISupports* (*converterCallback) (void *);
  typedef void (*cleanupCallback) (void *);

  nsresult Init(GList *aGList, converterCallback aDataToSupports,
		cleanupCallback aCleanupCallback = NULL,
		void *aCleanupData = NULL);

private:
  void Cleanup();

  GList *mGList;
  converterCallback mDataToSupports;
  cleanupCallback mCleanupCallback;
  void *mCleanupData;
};


class purpleGSListEnumerator : public nsISimpleEnumerator
{
public:
  NS_DECL_ISUPPORTS
  NS_DECL_NSISIMPLEENUMERATOR

  // Ctor
  purpleGSListEnumerator();

  // Dtor
  ~purpleGSListEnumerator();

  typedef nsISupports* (*converterCallback) (void *);
  typedef void (*cleanupCallback) (void *);

  nsresult Init(GSList *aGSList, converterCallback aDataToSupports,
		cleanupCallback aCleanupCallback = NULL,
		void *aCleanupData = NULL);

private:
  void Cleanup();

  GSList *mGSList;
  converterCallback mDataToSupports;
  cleanupCallback mCleanupCallback;
  void *mCleanupData;
};


template <typename implclass, typename iface, typename PurpleType>
nsISupports* purpleTypeToInterface(void *aData)
{
  implclass *instance = new implclass();
  instance->Init((PurpleType *)aData);

  NS_ADDREF(instance);
  return static_cast<iface *>(instance);
}

#endif /* !PURPLE_G_LIST_ENUMERATOR_H */
