idlehomescreen/widgetmanager/src/wminstaller.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 13 Oct 2010 14:18:30 +0300
branchRCL_3
changeset 102 ba63c83f4716
parent 83 5456b4e8b3a8
permissions -rw-r--r--
Revision: 201039 Kit: 201041
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies)..
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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* widget manager plugin implementation
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*
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*/
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#include <e32base.h>
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#include <eikenv.h>
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#include "wminstaller.h"
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#include "wmwidgetdata.h"
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#include "wmplugin.h"
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// CONSTANTS
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_LIT8( KWrtMime, "application/x-nokia-widget");
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/* 
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  Note: 
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  same mime type as above is used for wgz & wgt in wk9.
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  \ext\mw\cwrt\app\platform\s60\WidgetRecognizer\
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  Uninstalltion will fail with KErrNotFound for now.
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*/
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_LIT8( KCWrtMime, "application/widget");
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// ---------------------------------------------------------
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// CWmInstaller::NewL
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// ---------------------------------------------------------
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//
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CWmInstaller* CWmInstaller::NewL( CWmPlugin& aWmPlugin )
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    {
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    CWmInstaller* self = CWmInstaller::NewLC( aWmPlugin );
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    CleanupStack::Pop(); // self;
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    return self;
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    }
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// ---------------------------------------------------------
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// CWmInstaller::NewLC
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// ---------------------------------------------------------
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//
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CWmInstaller* CWmInstaller::NewLC( CWmPlugin& aWmPlugin )
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    {
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    CWmInstaller* self = new ( ELeave ) CWmInstaller( aWmPlugin );
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    return self;
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    }
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// ---------------------------------------------------------
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// CWmInstaller::CWmInstaller
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// ---------------------------------------------------------
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//
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CWmInstaller::CWmInstaller( CWmPlugin& aWmPlugin ) :
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    CActive( EPriorityStandard ),
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    iWmPlugin( aWmPlugin )
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    {
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    iUid = KNullUid;
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    iIdle = NULL;
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    CActiveScheduler::Add( this );
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    }
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// ---------------------------------------------------------
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// CWmInstaller::ConstructL
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// ---------------------------------------------------------
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//
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void CWmInstaller::ConstructL()
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    {
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    iIdle = CIdle::NewL( CActive::EPriorityStandard );
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    }
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// ---------------------------------------------------------
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// CWmInstaller::~CWmInstaller
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// ---------------------------------------------------------
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//
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CWmInstaller::~CWmInstaller()
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    {
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    Cancel();
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    if ( iIdle && iIdle->IsActive() )
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        {
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        iIdle->Cancel();
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        }
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    delete iIdle;
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    delete iMime;
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    }
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// ---------------------------------------------------------
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// CWmInstaller::DoCancel
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// ---------------------------------------------------------
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//
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void CWmInstaller::DoCancel()
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    {
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    if ( IsActive() )
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        {
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        iInstaller.CancelAsyncRequest( 
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                SwiUI::ERequestSilentUninstall );
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        // close session
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        iInstaller.Close();
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        }
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    }
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// ---------------------------------------------------------
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// CWmInstaller::RunL
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// ---------------------------------------------------------
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//
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void CWmInstaller::RunL()
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    {
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    // if error has occurred, stop uninstallation animation.
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    CWmWidgetData* widget = 
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            iWmPlugin.GetUninstalledWidgetByUid( iUid );
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    if ( widget )
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        {
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        widget->StopUninstallAnimation();
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        }
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    if ( KErrNone !=  iStatus.Int() )
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        {
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        // display error note incase of error
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        CEikonEnv::Static()->HandleError( iStatus.Int() );
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        }
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    // close SWI session
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    if ( iIdle && iIdle->IsActive() )
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        {
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        iIdle->Cancel();
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        }
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    iIdle->Start( TCallBack( CloseSwiSession, this ) );
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    }
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// ---------------------------------------------------------
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// CWmInstaller::CloseSwiSession
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// ---------------------------------------------------------
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//
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TInt CWmInstaller::CloseSwiSession( TAny* aPtr )
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    {
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    CWmInstaller* self = static_cast< CWmInstaller* >( aPtr );
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    if ( self->iIdle->IsActive() )
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      {
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      self->iIdle->Cancel(); 
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      }
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    self->iUid = KNullUid;
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    self->iInstaller.Close();
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    return KErrNone;
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    }
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// ---------------------------------------------------------
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// CWmInstaller::RunError
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// ---------------------------------------------------------
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//
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TInt CWmInstaller::RunError(TInt /*aError*/)
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    {
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     // if error has occurred, stop uninstallation animation.
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    CWmWidgetData* widget = 
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            iWmPlugin.GetUninstalledWidgetByUid( iUid );
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    if ( widget )
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        {
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        widget->StopUninstallAnimation();
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        }
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    // close SWI session
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    if ( iIdle && iIdle->IsActive() )
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        {
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        iIdle->Cancel();
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        }
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    iIdle->Start( TCallBack( CloseSwiSession, this ) );
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    return KErrNone;
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    }
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// ---------------------------------------------------------
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// CWmInstaller::UninstallL
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// ---------------------------------------------------------
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//
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void CWmInstaller::UninstallL( CWmWidgetData* aData )
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    {
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    if ( IsActive() )
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        {
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        User::Leave( KErrInUse );
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        }
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    else if ( !aData || aData->PublisherUid() == KNullUid ||
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        aData->WrtType() == CWmWidgetData::EUnIdentified )
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        {
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        User::Leave( KErrArgument );
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        }
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    else
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        {
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        delete iMime;
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        iMime = NULL;
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        CloseSwiSession( this );
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        // re-open session to swi server
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        User::LeaveIfError( iInstaller.Connect() );
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        iMime = ( ( aData->WrtType() == CWmWidgetData::EWgt ) ?
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            KCWrtMime().AllocL() : KWrtMime().AllocL() );
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        iUid = aData->PublisherUid();
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        SwiUI::TUninstallOptions optionsUninstall;
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        optionsUninstall.iBreakDependency = SwiUI::EPolicyAllowed;
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        optionsUninstall.iKillApp = SwiUI::EPolicyAllowed;
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        SwiUI::TUninstallOptionsPckg uninstallOptionsPkg( optionsUninstall );
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        iInstaller.SilentUninstall( iStatus, iUid, 
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                                uninstallOptionsPkg, *iMime );
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        aData->VisualizeUninstallL();
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        SetActive();
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        }
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    }
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// ---------------------------------------------------------
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// CWmInstaller::Uid
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// ---------------------------------------------------------
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//
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TUid CWmInstaller::UninstallUid()
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    {
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    if ( IsActive() )
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        {
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        return iUid;
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        }
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    else
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        {
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        return KNullUid;
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        }
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    }