contentpublishingsrv/contentharvester/contentharvesterswiplugin/src/chswiplugin.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 25 May 2010 13:01:39 +0300
branchRCL_3
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permissions -rw-r--r--
Revision: 201019 Kit: 2010121
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/*
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* Copyright (c) 2007 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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 *
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*/
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#include "chswiplugin.h"
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#include <e32std.h>
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#include <ecom/implementationproxy.h>
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#include <contentharvesterpluginuids.hrh>
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#include <liwservicehandler.h>
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#include <driveinfo.h>
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#include "cpglobals.h"
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#include "chswiusbhandler.h"
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#include "chswiusbobserver.h"
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_LIT( KHSTemplate, "hstemplate" );
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_LIT8( KWidgetUid, "widget_uid");
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const TInt KWidgetArrayGran = 8;
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// Map the interface UIDs to implementation factory functions
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// ============================= LOCAL FUNCTIONS ===============================
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// Map the interface UIDs to implementation factory functions
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const TImplementationProxy ImplementationTable[] = 
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    {
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      {{KCHSwiPluginUidImpl}, (TProxyNewLPtr)CCHSwiPlugin::NewL},
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    };
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// ----------------------------------------------------------------------------
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// Exported proxy for instantiation method resolution
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// ----------------------------------------------------------------------------
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//
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EXPORT_C const TImplementationProxy* ImplementationGroupProxy(
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                                                TInt& aTableCount )
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    {
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    aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
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    return ImplementationTable;
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    }
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// ============================ MEMBER FUNCTIONS ==============================
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// ----------------------------------------------------------------------------
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// CCHSwiPlugin::CCHSwiPlugin
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// Constructor
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// ----------------------------------------------------------------------------
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//
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CCHSwiPlugin::CCHSwiPlugin( MLiwInterface* aInterface )
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	{
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	iCPSInterface = aInterface;
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    }
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// ----------------------------------------------------------------------------
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// CADatSwi::ConstructL
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// Symbian 2nd phase constructor can leave.
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// ----------------------------------------------------------------------------
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//
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void CCHSwiPlugin::ConstructL()
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    {
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    iNotifier = CApaAppListNotifier::NewL( this, CActive::EPriorityStandard );
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    User::LeaveIfError( iApaLsSession.Connect() );
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    User::LeaveIfError( iFs.Connect() );
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    iMassMemoryAvailable = InternalMassMemoryAvailable();
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    iUsbHandler = CCHSwiUsbHandler::NewL( this, iFs );
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    iUsbObserver = CCHSwiUsbObserver::NewL( iUsbHandler, iFs );
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    iUsbObserver->Start();
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    }
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// ----------------------------------------------------------------------------
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// CADatSwi::NewL
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// Two-phased constructor.
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// ----------------------------------------------------------------------------
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//
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CCHSwiPlugin* CCHSwiPlugin::NewL(  MLiwInterface* aInterface)
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    {
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    CCHSwiPlugin* self = new (ELeave) CCHSwiPlugin( aInterface );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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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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// CCHSwiPlugin::~CCHSwiPlugin
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// Destructor.
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// ----------------------------------------------------------------------------
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//
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CCHSwiPlugin::~CCHSwiPlugin()
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    {
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    delete iNotifier;
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    delete iUsbHandler;
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    delete iUsbObserver;
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    iApaLsSession.Close();
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    iFs.Close();
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    }
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// ----------------------------------------------------------------------------
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// CCHSwiPlugin::UpdateL
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// (other items were commented in a header).
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// ----------------------------------------------------------------------------
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//  
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void CCHSwiPlugin::UpdateL()
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    {
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    UpdateWidgetsL();
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    }
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// ----------------------------------------------------------------------------
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// CCHSwiPlugin::HandleAppListEvent
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// (other items were commented in a header).
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// ----------------------------------------------------------------------------
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//  
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void CCHSwiPlugin::HandleAppListEvent( TInt /*aEvent*/ )
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    {
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    TRAP_IGNORE( UpdateWidgetsL() );
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    }
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// ----------------------------------------------------------------------------
3
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// CCHSwiPlugin::HandleMassStorageModeEndEvent
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// (refer to MCHSwiMassModeObserver declaration).
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// ----------------------------------------------------------------------------
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//  
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void CCHSwiPlugin::HandleMassStorageModeEndEvent()
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	{
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	TRAP_IGNORE( UpdateWidgetsL() );
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	}
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// ----------------------------------------------------------------------------
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// CCHSwiPlugin::HandleSuccessfulAsynchDriveScan
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// (refer to MCHSwiMassModeObserver declaration).
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// ----------------------------------------------------------------------------
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//  
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void CCHSwiPlugin::HandleSuccessfulAsynchDriveScan()
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	{
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	iUsbObserver->Start();
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	}
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// ----------------------------------------------------------------------------
0
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// CCHSwiPlugin::UpdateWidgetsL
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// MMC watcher callback.
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// ----------------------------------------------------------------------------
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//
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void CCHSwiPlugin::UpdateWidgetsL()
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    {
3
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	CLiwGenericParamList* inparam = CLiwGenericParamList::NewLC( );
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	CLiwGenericParamList* outparam = CLiwGenericParamList::NewLC( );
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	inparam->AppendL( TLiwGenericParam( KType, TLiwVariant( KPublisher ) ) );
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	CLiwDefaultMap* filter = CLiwDefaultMap::NewLC();
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	filter->InsertL( KContentType, TLiwVariant( KHSTemplate ));
3
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	inparam->AppendL( TLiwGenericParam( KFilter, TLiwVariant( filter ) ) );
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	iCPSInterface->ExecuteCmdL( KGetList, *inparam, *outparam );
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	RemoveWidgetsL( outparam );
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	CleanupStack::PopAndDestroy( filter );
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	CleanupStack::PopAndDestroy( outparam );
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	CleanupStack::PopAndDestroy( inparam );  
0
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    }
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// ----------------------------------------------------------------------------
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// CCHSwiPlugin::RemoveWidgetsL
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// MMC watcher callback.
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// ----------------------------------------------------------------------------
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//
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void CCHSwiPlugin::RemoveWidgetsL( CLiwGenericParamList* aWidgets )
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    {
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    TInt pos ( 0 );
3
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    aWidgets->FindFirst( pos, KResults ); 	
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    if ( pos != KErrNotFound )
0
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        {
3
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        CDesC16ArrayFlat* notFoundWidgets = new (ELeave) CDesC16ArrayFlat( KWidgetArrayGran ); 
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        CleanupStack::PushL( notFoundWidgets );
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0
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        TLiwVariant variant = (*aWidgets)[pos].Value();
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        variant.PushL();
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        CLiwIterable* iterable = variant.AsIterable();
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        iterable->Reset();
3
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        while ( iterable->NextL( variant ) )
0
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            {
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            CLiwDefaultMap *map = CLiwDefaultMap::NewLC();
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            variant.Get( *map );
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            if ( map->FindL( KDataMap, variant) )
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                {
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                CLiwDefaultMap *dataMap = CLiwDefaultMap::NewLC();
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                variant.Get( *dataMap );
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                if ( dataMap->FindL( KWidgetUid, variant ) )
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                    {
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                    TApaAppInfo appInfo;
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                    if( KErrNotFound == iApaLsSession.GetAppInfo( 
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                            appInfo, TUid::Uid( variant.AsTInt32() ) ) )
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                        {
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                        if( map->FindL( KPublisherId, variant ) )
0
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                            {
3
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                            notFoundWidgets->AppendL( variant.AsDes() );
0
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                            }
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                        }
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                    }
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                CleanupStack::PopAndDestroy( dataMap );
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                }
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            CleanupStack::PopAndDestroy( map );
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            }
3
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        if ( notFoundWidgets->Count() > 0 )
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        	{
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        	iUsbHandler->SynchronousDriveScan();
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        	if ( !IsMassStorageMode() )
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        		{
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        		for ( TInt i = 0; i < notFoundWidgets->Count(); i++ )
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        			{
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        			RemoveWidgetL( KPublisher, (*notFoundWidgets)[i] );
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        			RemoveWidgetL( KCpData, (*notFoundWidgets)[i] );
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        			}
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        	   	}
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        	}
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        CleanupStack::PopAndDestroy( &variant );
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        CleanupStack::PopAndDestroy( notFoundWidgets );
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        }
3
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0
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    }
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// ----------------------------------------------------------------------------
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// CCHSwiPlugin::RemoveWidgetL
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// MMC watcher callback.
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// ----------------------------------------------------------------------------
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//
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void CCHSwiPlugin::RemoveWidgetL( const TDesC& aType, 
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        const TDesC& aPublisherId )
0
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    {
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    CLiwGenericParamList* inparam = CLiwGenericParamList::NewLC( );
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    CLiwGenericParamList* outparam = CLiwGenericParamList::NewLC( );
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    inparam->AppendL( TLiwGenericParam( KType, TLiwVariant( aType ) ) );
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    CLiwDefaultMap* filter = CLiwDefaultMap::NewLC();
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    filter->InsertL( KPublisherId, TLiwVariant( aPublisherId ));
0
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    inparam->AppendL( TLiwGenericParam( KFilter, TLiwVariant( filter ) ) );
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    iCPSInterface->ExecuteCmdL( KDelete, *inparam, *outparam );
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    CleanupStack::PopAndDestroy( filter );
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    CleanupStack::PopAndDestroy( outparam );
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    CleanupStack::PopAndDestroy( inparam );
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    }
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3
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// ----------------------------------------------------------------------------
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// CCHSwiPlugin::SetMassStorageMode
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// Sets Mass Storage mode.
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// ----------------------------------------------------------------------------
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//
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void CCHSwiPlugin::SetMassStorageMode( TBool aMode )
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	{
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	iMassStorageMode = aMode;
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	}
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// ----------------------------------------------------------------------------
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// CCHSwiPlugin::IsMassStorageMode
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// Gets Mass Storage mode.
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// ----------------------------------------------------------------------------
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//
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TBool CCHSwiPlugin::IsMassStorageMode()
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	{
78
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    if (iMassMemoryAvailable)
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    	{
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    	return iMassStorageMode;
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    	}
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    else
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    	{
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    	return EFalse;
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    	}
3
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	}
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78
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// ----------------------------------------------------------------------------
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//
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// ----------------------------------------------------------------------------
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//
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TBool CCHSwiPlugin::InternalMassMemoryAvailable( )
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    {
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    TBool result(EFalse);
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    // List all drives in the system
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    TDriveList driveList;
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    TInt error = iFs.DriveList( driveList );
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    if ( KErrNone == error )
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        {
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        for ( TInt driveNumber = EDriveY;
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              driveNumber >= EDriveA;
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              driveNumber-- )
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            {
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            TUint status( 0 );
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            TInt error = DriveInfo::GetDriveStatus( iFs, driveNumber, status );
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            if( (KErrNone == error) && ( status & DriveInfo::EDriveExternallyMountable ) 
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            		&& ( status & DriveInfo::EDriveInternal ) )
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                {
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                // Internal Memory
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                result = ETrue;
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                break;
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                }
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            }
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        }
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    return result;
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    }
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0
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//  End of File