/*

* Copyright (c) 2007-2008 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:   Makes installtion of sis pkgs.

*

*/

#ifndef IAUPDATERINSTALLER_H

#define IAUPDATERINSTALLER_H

#include <e32base.h>

#include <f32file.h>

class CIAUpdaterMngr;

class CIAUpdaterSilentLauncher;

/**

 *  This class implements installation for IAUpdater.exe.

 *

 *  @code   

 *  @endcode

 *  @lib 

 *  @since S60 

 */ 

class CIAUpdaterInstaller : public CActive

    {

public:

    enum TDSisInstallerState

        {           

        EDSisInstallerStateIdle,

        EDSisInstallerStateInstallerBusy,

        EDSisInstallerStateInstalling     

        };        

    /**

     * Two-phased constructor.

     */    

    static CIAUpdaterInstaller* NewL( 

        RFs& aFs,    

        CIAUpdaterMngr& aIAUpdater );

    /**

     * C++ Destructor

     */

    ~CIAUpdaterInstaller();

    /**

     * Adds a file to the list of files to be installed.

     *

     * @since S60 

     * @param aFileName The full path of the file to be installed.     

     */        

    void AddFileToInstallL( const TDesC& aFileName );

    /**

     * Install the specified sis file

     *

     * @note This is a synchronous function that uses asynchronous installation.

     * So, this function will return after installation is finished.

     * This uses CActiveSchedulerWait::Start() and CActiveSchedulerWait::AsyncStop().

     * So, be cautious about nested loops. 

     *

     * @since S60      

     */        

    void StartInstallingL();

    /**

     * Cancels the possible on-going operation by calling Cancel.

     * Also, calls CActiveSchedulerWait::AsyncStop if it is required 

     * to release the nested loop.

     *

     * @note User of this object should call this function instead of directly 

     * calling DoCancel because this function can release nested loop waits

     * correctly.

     */

    void CancelOperation();

private: // From CActive

    /**

     * Called by Cancel when a request from this class 

     * is outstanding.

     *

     * @since S60 

     */            

    void DoCancel();

    /**

     * Asynchronous request processing.

     *

     * @since S60      

     */            

    void RunL();

    /**

     * Handles any leaves from the RunL

     *

     * @since S60 ?S60_version

     * @param aError Erroro code.     

     * @return TInt Return code.

     */            

    TInt RunError( TInt aError );

private:

    /**

     * C++ constructor

     */

    CIAUpdaterInstaller( 

        RFs& aFs,    

        CIAUpdaterMngr& aIAUpdater );

    /**

     * Constructor

     */

    void ConstructL( );

    /**

     * Self request completion

     *

     * @since S60 

     */            

    void CompleteSelf();

    /**

     * Completes the installation and stops active scheduler.

     *

     * @since S60 

     * @param aResult Installation result

     */            

    void InstallationCompleted( TInt aResult );

    /**

     * Checks that given installation pkg is a valis sisx pkg.

     *

     * @since S60 

     * @param aPackageName The full paht of the sis pkg.

     * @return TBool ETrue is file is sisx type. 

     */            

    TBool IsValidPackageL( const TDesC& aPackageName );      

private: // data

    // File server

    RFs& iFs;

    // Updater manager.

    CIAUpdaterMngr& iIAUpdater;  		

    // The state

    TDSisInstallerState iState;    

    // Installer error

    TInt iInstallErr;

    // Sis pkgs index

    TInt iFileIndex;

    // Sis file and location

    TBuf<KMaxFileName> iSisFile;    

    // Installation pkgs.

    RPointerArray<HBufC> iFilesToInstall;

    // Timer

    RTimer iTimer;

    // Silent installation launcher.    

    CIAUpdaterSilentLauncher* iInstallLauncher;

    // CActiveSchedulerWait object can be used as a data member 

    // inside other CBase derived classes.

    CActiveSchedulerWait iWaiter;    

    };		

#endif //CIAUPDATERINSTALLER_H

//EOF