/*

* Copyright (c) 2004-2009 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: 

*

*/

#include <e32base.h>

#include <f32file.h>

#include <apgcli.h>

#include "ShutdownWatcher.h"    // MShutdownObserver

// Forward declarations

class CPreviouslyInstalledAppsCache;

class CInstallationFailedAppsCache;

namespace Swi

{

// Modified for S60

class CSilentLauncher;

class CDialogWrapper;   

class CProgramStatus; //For uninstaller

/**

* Describes the installation behaviour of any sis files found by the Daemon

*/

class MDaemonInstallBehaviour

    {

    public:

        /**

         * Notify plug-in that daemon has complete media processing.

         * Plug-in can start installation.          

         */

        virtual void DoNotifyMediaProcessingComplete() = 0; 

        /**

         * Returns ture is plugin is loaded.

         * 

         * @Return TBool ETrue if plug-in is available.          

         */        

        virtual TBool IsPlugin() = 0;

        /**

         * This function does check if plugin is all ready notified that media

         * processing is started. If not it calls MediaProcessingStart.

         * 

         * @Return TBool ETrue if plug-in is available.          

         */            

        virtual void NotifyPlugin() = 0;

        /**

         * Reguest plug-in to install given package.

         *  

         * @param aDrive aSisFile Package file.

         */             

        virtual void RequestPluginInstall( TDesC& aSisFile ) = 0;              

    };

/**

* The Daemon SIS installer

*/

class CSisInstaller : public CActive, public MShutdownObserver

    {

    public:

        enum TDSisInstallerState

            {           

#ifdef RD_MULTIPLE_DRIVE                      

            EDSisInstallerStateIdle,

            EDSisInstallerStateInstallerBusy,

            EDSisInstallerStateInstalling,

            EDSisInstallerStateCompleted

#else

            EDSisInstallerStateIdle,

            EDSisInstallerStateInstallerBusy,

            EDSisInstallerStateInstalling     

#endif //RD_MULTIPLE_DRIVE 

            };        

        /**

        * Symbian construction (for member variables)

        */

        static CSisInstaller* NewL(

                MDaemonInstallBehaviour* aDaemonBehaviour,

                CProgramStatus& aMainStatus ); //For uninstaller

        /**

        * C++ destructor

        */

        ~CSisInstaller();

        /**

        Adds a file to the list of files to be installed

        @param aFileName The full name and path of the file to be installed

        */

        void AddFileToInstallL(const TDesC& aFileName);

        /**

        * Install the specified sis file

        */

        void StartInstallingL();

#ifdef RD_MULTIPLE_DRIVE 

        /**

        * Returns status of installer.

        */

        TBool IsInstalling();        

#endif                

    private: // From CActive

        /**

        * Called by Cancel when a request from this class is outstanding

        */

        void DoCancel();

        /**

        * Asynchronous completion request processing

        */

        void RunL();

        /**

        * Handles any Leaves from the RunL

        */

        TInt RunError(TInt aError);

    private:  // From MShutdownObserver

        /**

        * Called by CShutdownWatcher when the system is closing down

        */

        void NotifyShuttingDown();        

    private:

        /**

        * C++ constructor

        */

        CSisInstaller( MDaemonInstallBehaviour* aDaemonBehaviour );

        /**

        * 2nd phase constructor

        */

        void ConstructL( CProgramStatus& aMainStatus ); //Uninstaller

        /**

        * Self request completion

        */

        void CompleteSelf();

        /**

        * Completes the installation procedure.

        */

        void InstallationCompleted( TInt aResult );

        /**

        * Indicates if this package was ever installed or not.

        */

        TBool NeedsInstallingL( const TDesC& aPackageName );

        /**

        * Indicates if the media is present in the drive.

        */

        TBool IsMediaPresent( TChar aDrive );

        /**

        * Indicates if this package is valid.

        */

        TBool IsValidPackageL( const TDesC& aPackageName );      

    private:

        MDaemonInstallBehaviour* iDaemonBehaviour;	

        // The state

        TDSisInstallerState iState;	

        RPointerArray<HBufC> iFilesToInstall;	

        // Sis files and location

        TBuf<KMaxFileName> iSisFile;

        TInt iFileIndex;	

        // Timer and time step

        RTimer iTimer;                

        CSilentLauncher* iInstallLauncher;

        CDialogWrapper* iDialogs;

        TInt iInstallErr;

        RFs iFs;

        RApaLsSession iApaSession;

        // Pointer to the already ever installed checker class

        CPreviouslyInstalledAppsCache* iPreviouslyInstalledAppsCache;

        // Pointer to failed installation cache.

        CInstallationFailedAppsCache* iInstallationFailedAppsCache;

#ifdef RD_MULTIPLE_DRIVE 

        // Defines state of Installer 

        TDSisInstallerState iInstallerState;

#endif     		

        // PkgID

        TUid iCurrentPackageId;

        CShutdownWatcher* iShutdownWatcher;

        // For uninstaller

        TInt iGeneralProcessStatus;

        CProgramStatus* iProgramStatus;   

        // For plugin support

        TBool iUpdateCache;

    };		

}