/*

* Copyright (c) 1020 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: application class.

*/

#ifndef __HS_LAUNCH_

#define __HS_LAUNCH_

#include <e32base.h>

#include <centralrepository.h>

#include <cenrepnotifyhandler.h>

#include "hsprocessmonitor.h"

#include "hsshutdownmonitor.h"

class t_hsapplicationlauncher;

/**

 * CHsLaunch

 * 

 * application class.

 * 

 * @since S60 5.2  

 */

class CHsLaunch : public CActive,

                         MCenRepNotifyHandlerCallback,

                         MHsProcessMonitorObserver,

                         MHsShutdownMonitorObserver

    {

    public:

        /**

         * Create new launcher

         *

         * @since S60 5.2     

         */    

        static CHsLaunch* NewL();

        /**

         * Destructor.

         *

         * @since S60 5.2     

         */

        virtual ~CHsLaunch();

        /**

         * Set active object to be ran

         * 

         * @since S60 5.2

         */        

        void Activate();        

        /**

         * Get application return value

         * 

         * @return TInt     Application return value

         * @since S60 5.2

         */        

        TInt ApplicationReturnValue();      

    protected:

        /**

         * C++ constructor.

         *

         * @since S60 5.2      

         */        

        CHsLaunch();    

        /**

         * Symbian 2nd phase constructor

         * 

         * @since S60 5.2

         */        

        void ConstructL();

    private: // From CActive.

        /**

         * From CActive

         */        

        void RunL();

        /**

         * From CActive

         * 

         * @since S60 5.2

         */        

        void DoCancel(); 

        /**

         * From CActive

         * 

         * @since S60 5.2

         */        

        TInt RunError( TInt aError );

    private: // From MCenRepNotifyHandlerCallback

        /**

         * From MCenRepNotifyHandlerCallback

         */

        void HandleNotifyInt(TUint32 aId, TInt aNewValue);

    private: // From MHsProcessMonitorObserver

        /**

         * From MHsProcessMonitorObserver

         */

        void ProcessEnded( const TExitType& aExitType,

                           const TInt aExitReason,

                           const TExitCategoryName& aExitCategory );

        /**

         * From MHsProcessMonitorObserver

         */

        void ProcessMonitoringError( TInt aError );

    private: // From MHsShutdownMonitorObserver

        /**

         * From MHsShutdownMonitorObserver

         */

        void SystemShutdownEvent();

    private:

        /**

         * Initialize process monitor

         * 

         * @param aProcessId    Id of process to monitor 

         */

        void InitProcessMonitorL( const TInt aProcessId );

        /**

         * Shut down application 

         * 

         * @param aApplicationReturnValue   Application return value.

         */

        void ShutdownApp( const TInt aApplicationReturnValue );         

        /**

         * Starts the home screen application.

         */

        void StartHomeScreen();

        /**

         * Checks if the language is selected.

         */

        TBool IsLanguageSelectedL();

        /**

         * Starts listening the repository notifications for

         * language selection.

         */

        void StartListeningLanguageSelectionL();

        /**

         * Stops listening the repository notifications for

         * language selection.

         */

        void StopListeningLanguageSelection();

    private: // data.

        // Process monitor. Owned.

        CHsProcessMonitor* iProcessMonitor;

        // Shutdown monitor. Owned.

        CHsShutdownMonitor* iShutdownMonitor;

        // Repository.

        CRepository *iRepository;

        // Repository notify handler.

        CCenRepNotifyHandler* iCenRepNotifyHandler;

        // Application return value

        TInt iApplicationReturnValue;

        friend class t_hsapplicationlauncher;

    };

#endif // __HS_LAUNCH_