/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:   VPN Ecom Notifier's definition file

*

*/

#ifndef __VPNECOMNOTIFIER_H__

#define __VPNECOMNOTIFIER_H__

#include <e32std.h>

#include <e32base.h>

#include <eiknotapi.h>

#include <eikenv.h>

#include "vpndialogmanagerecomstub.h"

#include "vpnnotifierdefs.h"

#include <ecom/implementationproxy.h>

// Notifier should go to a dialog channel, not a led or sound channel

const TUid KCrystalScreenOutputChannel = {0x10009D48};

// Method at ordinal 1 to get a list of notifiers from this dll

IMPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount);

CArrayPtr<MEikSrvNotifierBase2>* NotifierArray();

//////////////////////////////////////////////////////////////////////////////////

//

//  The CVpnNotifier class is registered with the dialog server and

//  is responsible for receiving and sending messages and creating dialogs

//  for user requests.

//

//////////////////////////////////////////////////////////////////////////////////

class MVpnDialog;

class CVpnNotifier : public CBase, public MEikSrvNotifierBase2, public MVpnNotifierCallback

    {

public:

    CVpnNotifier(const TUid& aNotifierUid, const TDesC& aResourceFilename,

                   CVpnDialogManagerEcomStub* aDialogManager);

    ~CVpnNotifier();

    void DialogComplete(TInt aReturnCode);

    void DialogCompleteL(TInt aReturnCode, TVpnDialogOutput& aOutput);

private: // From MEikSrvNotifierBase(2)

    void Release();

    TNotifierInfo RegisterL();

    TNotifierInfo Info() const;

    void StartL( const TDesC8& aBuffer, TInt aReturnValue, const RMessagePtr2& aMessage);

    TPtrC8 StartL( const TDesC8& aBuffer);

    void Cancel();

    TPtrC8 UpdateL( const TDesC8& aBuffer);

private:    

    TFileName GetResourceFileNameL();

    // Added to overcome uninstallation problems

    void LoadResourceFileL();

    void UnloadResourceFile();

    TBool LaunchDialogL(TInt aDialogId, TInt aNoteDialogId, const TDesC8& aInput);

    /**

     * Function for loading the actual VPN dialog manager implementation DLL

     * (due to ecom architecture specialities, it will be unloaded and loaded 

     * again whenever LaunchDialogL is called).

     *

     * @leave Leaves if (e.g.) the DLL is not found

     */

    void        LoadManagerDllL();

    /**

     * Unloads the manager DLL.

     *

     */

    void        CloseManagerDll();

private:

    CEikonEnv* iEikEnv;         // Does not need to be destroyed

    TInt iResourceFileOffset;   // Resource file id

    TNotifierInfo iInfo;        //notifier info

    MVpnDialog* iDialog;

    RMessagePtr2 iMessage;

    TInt iReturnValue;

    CVpnDialogManagerEcomStub* iDialogManager;

    TPtrC iResourceFilename;

    TUid iNotifierUid;

    HBufC8* iInput;

    // Added to overcome uninstallation problems

    TBool iResourceFileLoaded;

    // Instance variables for handling the "real" (non-ecom) dialog manager DLL.

    MVpnDialogManager*  iRealDialogManager;

    RLibrary            iDialogManagerLib;

    };

#endif  // __VPNNOTIFIER_H__