/*

* Copyright (c) 2009 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: Pre Install helper class.

*

*/

#ifndef __EMAILSTOREPREINSTALL_H__

#define __EMAILSTOREPREINSTALL_H__

// ========

// INCLUDES

// ========

#include <e32base.h>

#include <w32std.h>

#include <apgtask.h>

#include <e32property.h>

#include "ProcessTimer.h"

// ========

// LOCALS

// ========

LOCAL_C void DoPreInstallL( );

/**

 * Pre Install helper class.

 */

class CEmailStorePreInstall : public CTimer , public MObserverPreInstall

    {

    public:

        /**

         * Factory methods.

         */

        static CEmailStorePreInstall* NewL();

        static CEmailStorePreInstall* NewLC();

        /**

         * Destructor.

         */

        virtual ~CEmailStorePreInstall();

    public:

        // FROM: MObserverPreInstall

        void Timeout();

    protected:

        //from CTimer

        void RunL();

        void DoCancel();

        TInt RunError( TInt aError );

    private:

        /**

         * Constructor.

         */

        CEmailStorePreInstall( );

        /**

         * Second-phase constructor.

         */

        void ConstructL();

        /**

         * Stop servers.

         * Iterates through servers and signals them to stop.

         * If the stop doesn't occur in a certain time, then the server is killed.

         */

        void StopNextServerL();

        // Internal state

        enum TState

            {

            EInit,

            EStopServers,

            EWaitForProcess,

            EDone

            };

    private:

        /** Current index in the server list. */

        TInt    iServerIndex;        

        /** Internal state. */

        TState  iState;

        /** Process finish timeout. */

        CProcessTimer* iTimeoutTimer;

        /** Current server to be stopped handle. */

        RProcess iProcess;

        /** Logging. */

        __LOG_DECLARATION        

    };

#endif  //__EMAILSTOREPREINSTALL_H__