/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** 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.org Code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1999
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of 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.h"
#include "nsIComponentLoader.h"
#include "nsIComponentManager.h"
#include "nsDirectoryService.h"
#include "nsCOMPtr.h"
#include "nsHashtable.h"
#include "nsVoidArray.h"
#include "xcDll.h"

#ifndef nsNativeComponentLoader_h__
#define nsNativeComponentLoader_h__

class nsNativeComponentLoader : public nsIComponentLoader
{

 public:
    NS_DECL_ISUPPORTS
    NS_DECL_NSICOMPONENTLOADER

    nsNativeComponentLoader();
 
    nsIComponentManager* mCompMgr;      // weak reference -- backpointer

 private:
    nsObjectHashtable   mDllStore;
    nsVoidArray mDeferredComponents;

    ~nsNativeComponentLoader() {}

    NS_IMETHOD RegisterComponentsInDir(PRInt32 when, nsIFile *dir);

    nsresult CreateDll(nsIFile *aSpec, const char *aLocation, nsDll **aDll);
    nsresult SelfRegisterDll(nsDll *dll, const char *registryLocation,
                             PRBool deferred);
    nsresult SelfUnregisterDll(nsDll *dll);
    nsresult GetFactoryFromModule(nsDll *aDll, const nsCID &aCID,
                                  nsIFactory **aFactory);

    nsresult DumpLoadError(nsDll *dll, 
                           const char *aCallerName,
                           const char *aNsprErrorMsg);
};

#endif /* nsNativeComponentLoader_h__ */

