/*

* 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:

* widget manager plugin implementation

*

*/

#include <e32base.h>

#include <eikenv.h>

#include "wminstaller.h"

#include "wmwidgetdata.h"

#include "wmplugin.h"

// CONSTANTS

_LIT8( KWrtMime, "application/x-nokia-widget");

/* 

  Note: 

  same mime type as above is used for wgz & wgt in wk9.

  \ext\mw\cwrt\app\platform\s60\WidgetRecognizer\

  Uninstalltion will fail with KErrNotFound for now.

*/

_LIT8( KCWrtMime, "application/widget");

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

// CWmInstaller::NewL

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

//

CWmInstaller* CWmInstaller::NewL( CWmPlugin& aWmPlugin )

    {

    CWmInstaller* self = CWmInstaller::NewLC( aWmPlugin );

    CleanupStack::Pop(); // self;

    return self;

    }

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

// CWmInstaller::NewLC

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

//

CWmInstaller* CWmInstaller::NewLC( CWmPlugin& aWmPlugin )

    {

    CWmInstaller* self = new ( ELeave ) CWmInstaller( aWmPlugin );

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

    }

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

// CWmInstaller::CWmInstaller

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

//

CWmInstaller::CWmInstaller( CWmPlugin& aWmPlugin ) :

    CActive( EPriorityStandard ),

    iWmPlugin( aWmPlugin )

    {

    iUid = KNullUid;

    iIdle = NULL;

    CActiveScheduler::Add( this );

    }

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

// CWmInstaller::ConstructL

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

//

void CWmInstaller::ConstructL()

    {

    iIdle = CIdle::NewL( CActive::EPriorityStandard );

    }

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

// CWmInstaller::~CWmInstaller

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

//

CWmInstaller::~CWmInstaller()

    {

    Cancel();

    if ( iIdle && iIdle->IsActive() )

        {

        iIdle->Cancel();

        }

    delete iIdle;

    delete iMime;

    }

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

// CWmInstaller::DoCancel

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

//

void CWmInstaller::DoCancel()

    {

    if ( IsActive() )

        {

        iInstaller.CancelAsyncRequest( 

                SwiUI::ERequestSilentUninstall );

        // close session

        iInstaller.Close();

        }

    }

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

// CWmInstaller::RunL

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

//

void CWmInstaller::RunL()

    {

    // if error has occurred, stop uninstallation animation.

    CWmWidgetData* widget = 

            iWmPlugin.GetUninstalledWidgetByUid( iUid );

    if ( widget )

        {

        widget->StopUninstallAnimation();

        }

    if ( KErrNone !=  iStatus.Int() )

        {

        // display error note incase of error

        CEikonEnv::Static()->HandleError( iStatus.Int() );

        }

    // close SWI session

    if ( iIdle && iIdle->IsActive() )

        {

        iIdle->Cancel();

        }

    iIdle->Start( TCallBack( CloseSwiSession, this ) );

    }

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

// CWmInstaller::CloseSwiSession

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

//

TInt CWmInstaller::CloseSwiSession( TAny* aPtr )

    {

    CWmInstaller* self = static_cast< CWmInstaller* >( aPtr );

    if ( self->iIdle->IsActive() )

      {

      self->iIdle->Cancel(); 

      }

    self->iUid = KNullUid;

    self->iInstaller.Close();

    return KErrNone;

    }

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

// CWmInstaller::RunError

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

//

TInt CWmInstaller::RunError(TInt /*aError*/)

    {

     // if error has occurred, stop uninstallation animation.

    CWmWidgetData* widget = 

            iWmPlugin.GetUninstalledWidgetByUid( iUid );

    if ( widget )

        {

        widget->StopUninstallAnimation();

        }

    // close SWI session

    if ( iIdle && iIdle->IsActive() )

        {

        iIdle->Cancel();

        }

    iIdle->Start( TCallBack( CloseSwiSession, this ) );

    return KErrNone;

    }

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

// CWmInstaller::UninstallL

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

//

void CWmInstaller::UninstallL( CWmWidgetData* aData )

    {

    if ( IsActive() )

        {

        User::Leave( KErrInUse );

        }

    else if ( !aData || aData->PublisherUid() == KNullUid ||

        aData->WrtType() == CWmWidgetData::EUnIdentified )

        {

        User::Leave( KErrArgument );

        }

    else

        {

        delete iMime;

        iMime = NULL;

        CloseSwiSession( this );

        // re-open session to swi server

        User::LeaveIfError( iInstaller.Connect() );

        iMime = ( ( aData->WrtType() == CWmWidgetData::EWgt ) ?

            KCWrtMime().AllocL() : KWrtMime().AllocL() );

        iUid = aData->PublisherUid();

        SwiUI::TUninstallOptions optionsUninstall;

        optionsUninstall.iBreakDependency = SwiUI::EPolicyAllowed;

        optionsUninstall.iKillApp = SwiUI::EPolicyAllowed;

        SwiUI::TUninstallOptionsPckg uninstallOptionsPkg( optionsUninstall );

        iInstaller.SilentUninstall( iStatus, iUid, 

                                uninstallOptionsPkg, *iMime );

        aData->VisualizeUninstallL();

        SetActive();

        }

    }

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

// CWmInstaller::Uid

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

//

TUid CWmInstaller::UninstallUid()

    {

    if ( IsActive() )

        {

        return iUid;

        }

    else

        {

        return KNullUid;

        }

    }