/*

* Copyright (c) 2002-2004 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:   This module contains the implementation of CSWInstUninstallRequest 

*                class member functions.

*

*/

// INCLUDE FILES

#include <SWInstTaskManager.h>

#include "SWInstUninstallRequest.h"

#include "SWInstUIPluginAPI.h"

#include "SWInstServerPanic.h"

using namespace SwiUI;

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CSWInstUninstallRequest::CSWInstUninstallRequest

// C++ default constructor can NOT contain any code, that

// might leave.

// -----------------------------------------------------------------------------

//

CSWInstUninstallRequest::CSWInstUninstallRequest( const RMessage2& aMessage )

    : CSWInstRequestObject( aMessage )

    {

    }

// -----------------------------------------------------------------------------

// CSWInstUninstallRequest::CSWInstUninstallRequest

// C++ default constructor can NOT contain any code, that

// might leave.

// -----------------------------------------------------------------------------

//

CSWInstUninstallRequest::CSWInstUninstallRequest( TInt aObjectId )

    : CSWInstRequestObject( aObjectId )

    {

    }

// -----------------------------------------------------------------------------

// CSWInstUninstallRequest::ConstructL

// Symbian 2nd phase constructor can leave.

// -----------------------------------------------------------------------------

//

void CSWInstUninstallRequest::ConstructL()

    {

    BaseConstructL();    

    }

// -----------------------------------------------------------------------------

// CSWInstUninstallRequest::NewL

// Two-phased constructor.

// -----------------------------------------------------------------------------

//

CSWInstUninstallRequest* CSWInstUninstallRequest::NewL( const RMessage2& aMessage )

    {

    CSWInstUninstallRequest* self = 

        new ( ELeave ) CSWInstUninstallRequest( aMessage );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self; 

    }

// -----------------------------------------------------------------------------

// CSWInstUninstallRequest::NewL

// Two-phased constructor.

// -----------------------------------------------------------------------------

//

CSWInstUninstallRequest* CSWInstUninstallRequest::NewL( TInt aObjectId )

    {

    CSWInstUninstallRequest* self = new ( ELeave ) CSWInstUninstallRequest( aObjectId );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self; 

    }

// Destructor

CSWInstUninstallRequest::~CSWInstUninstallRequest()

    {    

    }

// -----------------------------------------------------------------------------

// CSWInstUninstallRequest::Uninstall

// Perform uninstallation

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CSWInstUninstallRequest::Uninstall( const TUid& aUid, const TDesC8& aMIME )

    {

    iIsSilent = EFalse;

    iUid = aUid;

    TRAPD( err, DoUninstallL( aMIME ) );

    if ( err != KErrNone )

        {

        CompleteSelf( err );        

        }  

    }

// -----------------------------------------------------------------------------

// CSWInstUninstallRequest::SilentInstall

// Perform silent uninstallation

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CSWInstUninstallRequest::SilentUninstall( const TUid& aUid, 

                                               const TDesC8& aMIME, 

                                               TUninstallOptions& aOptions )   

    {

    iIsSilent = ETrue;

    iUid = aUid;

    iOptions = aOptions;

    TRAPD( err, DoUninstallL( aMIME ) );

    if ( err != KErrNone )

        {

        CompleteSelf( err );        

        }  

    }

// -----------------------------------------------------------------------------

// CSWInstUninstallRequest::CustomUninstall

// Perform a custom uninstallation.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CSWInstUninstallRequest::CustomUninstall( TOperation aOperation, 

                                               const TDesC8& aParams,

                                               const TDesC8& aMIME )

    {

    iIsSilent = EFalse;

    TRAPD( err, DoCustomUninstallL( aOperation, aParams, aMIME ) );

    if ( err != KErrNone )

        {

        CompleteSelf( err );    

        }

    }

// -----------------------------------------------------------------------------

// CSWInstUninstallRequest::SilentCustomUninstall

// Perform a custom uninstallation.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CSWInstUninstallRequest::SilentCustomUninstall( TOperation aOperation, 

                                                     TUninstallOptions& aOptions,

                                                     const TDesC8& aParams,

                                                     const TDesC8& aMIME )

    {

    iIsSilent = ETrue;

    TRAPD( err, DoSilentCustomUninstallL( aOperation, aOptions, aParams, aMIME ) );

    if ( err != KErrNone )

        {

        CompleteSelf( err );    

        }

    }

// -----------------------------------------------------------------------------

// CSWInstUninstallRequest::CancelRequest

// Cancels the current request.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CSWInstUninstallRequest::CancelRequest()

    {

    // If we have a pending uninstall request, cancel it

    if ( iUIPlugin )

        {

        iUIPlugin->Cancel();

        }

    }

// -----------------------------------------------------------------------------

// CSWInstUninstallRequest::RequestCompleteL

// Gets called when the request is completed.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CSWInstUninstallRequest::RequestCompleteL( TInt aResult )

    {

    // First see if we even have a ui plugin

    if ( iUIPlugin )

        {        

        // Run outstanding tasks

        TRAP_IGNORE( iTaskManager->ExecutePendingTasksL() );

        // Inform the ui

        iUIPlugin->CompleteL();

        // Delete the plugin and try to run outstanding tasks once again.

        delete iUIPlugin;

        iUIPlugin = NULL;

        TRAP_IGNORE( iTaskManager->ExecutePendingTasksL() );

        }

    // Complete the client message

    Complete( aResult );

    }

// -----------------------------------------------------------------------------

// CSWInstUninstallRequest::DoUninstallL

// Performs the actual uninstallation.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CSWInstUninstallRequest::DoUninstallL( const TDesC8& aMIME )

    {

    __ASSERT_ALWAYS( iUid != TUid::Uid( 0 ), User::Leave( KErrBadDescriptor ) );  

    // Check that no other instances of installer are running

    LeaveIfInUseL();    

    // Try to recover in case of old fatal error

    TRAP_IGNORE( iTaskManager->ExecuteRecoveryTasksL() );

    // Create the plugin based on the mime type

    CreatePluginL( aMIME );    

    if ( !iIsSilent )

        {        

        iUIPlugin->UninstallL( iUid, aMIME, iStatus );

        }

    else

        {

        iUIPlugin->SilentUninstallL( iUid, aMIME, iOptions, iStatus );

        }

    SetActive();    

    }

// -----------------------------------------------------------------------------

// CSWInstUninstallRequest::DoCustomUninstall

// Perform a custom uninstallation.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CSWInstUninstallRequest::DoCustomUninstallL( TOperation aOperation, 

                                               const TDesC8& aParams,

                                               const TDesC8& aMIME )

    {

    // Check that no other instances of installer are running

    LeaveIfInUseL();

    iTaskManager->ExecuteRecoveryTasksL();

    // Create the plugin based on the mime type

    CreatePluginL( aMIME );    

    iUIPlugin->CustomUninstallL( aOperation, aParams, iStatus );

    SetActive();    

    }

// -----------------------------------------------------------------------------

// CSWInstUninstallRequest::DoSilentCustomUninstall

// Perform a custom uninstallation.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

void CSWInstUninstallRequest::DoSilentCustomUninstallL( TOperation aOperation, 

                                                     TUninstallOptions& aOptions,

                                                     const TDesC8& aParams,

                                                     const TDesC8& aMIME )

    {

    // Check that no other instances of installer are running

    LeaveIfInUseL();

    iTaskManager->ExecuteRecoveryTasksL();

    // Create the plugin based on the mime type

    CreatePluginL( aMIME );    

    iUIPlugin->SilentCustomUninstallL( aOperation, aOptions, aParams, iStatus );

    SetActive();

    }

//  End of File