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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: Implements an observer to CPS
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*
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*/
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// INCLUDE FILES
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#include <liwcommon.h>
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#include <liwservicehandler.h>
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#include <liwvariant.h>
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#include <liwgenericparam.h>
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#include "cpsobserver.h"
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#include "cpswrapper.h"
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#include "cpsconst.h"
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namespace cpswrapper
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{
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// =============================================================================
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// --------------------------------------------------------------------------
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// Cleanup utility for RPointerArray
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// --------------------------------------------------------------------------
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//
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static void DoCleanup( TAny* aPtr )
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{
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__ASSERT_DEBUG( aPtr, User::Invariant() );
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static_cast< RCriteriaArray* >( aPtr )->ResetAndDestroy();
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}
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// ============================ MEMBER FUNCTIONS ==============================
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// ----------------------------------------------------------------------------
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// Constructor
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// ----------------------------------------------------------------------------
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//
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CCpsObserver::CCpsObserver( CCpsWrapper* aCpsWrapper )
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: iCpsWrapper( aCpsWrapper )
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{
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}
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// ----------------------------------------------------------------------------
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// Two-phased constructor.
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// ----------------------------------------------------------------------------
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//
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CCpsObserver* CCpsObserver::NewLC( CCpsWrapper* aCpsWrapper )
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{
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CCpsObserver* self(
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new( ELeave ) CCpsObserver( aCpsWrapper ) );
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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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// Destructor
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// ---------------------------------------------------------------------------
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//
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CCpsObserver::~CCpsObserver()
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{
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TRAP_IGNORE( ReleaseL() );
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ReleaseLiw();
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}
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// ----------------------------------------------------------------------------
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// Symbian 2nd phase constructor can leave.
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// ----------------------------------------------------------------------------
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//
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void CCpsObserver::ConstructL()
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{
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InitLiwL();
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}
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// ---------------------------------------------------------------------------
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// CCpsObserver::HandleNotifyL
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//
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// Handles Published content notification
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// ---------------------------------------------------------------------------
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//
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TInt CCpsObserver::HandleNotifyL(
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TInt /*aErrorCode */,
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TInt /*aEventId*/,
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CLiwGenericParamList& aEventParamList,
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const CLiwGenericParamList& /*aInParamList*/ )
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{
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TInt pos( 0 );
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aEventParamList.FindFirst( pos, KChangeInfo );
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if ( pos != KErrNotFound )
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{
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// Get list of maps
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TLiwVariant variant( (aEventParamList)[pos].Value() );
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variant.PushL();
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const CLiwList* changeMapsList( variant.AsList() );
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// Iter through list content
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for ( TInt i = 0; i < changeMapsList->Count(); ++i )
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{
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TLiwVariant changeMap;
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changeMap.PushL();
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if ( changeMapsList->AtL( i, changeMap ) )
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{
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const CLiwMap* map = changeMap.AsMap();
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if ( map->FindL( KContentType, changeMap ) )
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{
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HBufC* publisher = NULL;
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HBufC* contentType = NULL;
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contentType = changeMap.AsDes().AllocLC();
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if ( KHSTemplate() == contentType &&
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map->FindL( KPublisher, changeMap ) )
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{
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publisher = changeMap.AsDes().AllocLC();
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if ( map->FindL( KOperation, changeMap ) )
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{
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HBufC* operation = changeMap.AsDes().AllocLC();
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// unregitered publisher's widget
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// from home screen if exist or add
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// new widget to widgetmanager
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iCpsWrapper->HandleChangedPublisherL( *publisher,
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*operation );
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CleanupStack::PopAndDestroy( operation );
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}
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CleanupStack::PopAndDestroy( publisher );
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}
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else if( KWRTTemplate() == contentType &&
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map->FindL( KContentId, changeMap ) )
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{
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publisher = changeMap.AsDes().AllocLC();
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if ( map->FindL( KOperation, changeMap ) )
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{
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HBufC* operation = changeMap.AsDes().AllocLC();
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// unregitered publisher's widget
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// from home screen if exist or add
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// new widget to widgetmanager
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iCpsWrapper->HandleChangedPublisherL( *publisher,
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*operation );
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CleanupStack::PopAndDestroy( operation );
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}
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CleanupStack::PopAndDestroy( publisher );
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}
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CleanupStack::PopAndDestroy( contentType );
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}
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}
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CleanupStack::PopAndDestroy( &changeMap );
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}
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CleanupStack::PopAndDestroy( &variant );
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}
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return KErrNone;
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}
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// ---------------------------------------------------------------------------
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// CCpsObserver::RegisterL
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//
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// Register for notifications
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// ---------------------------------------------------------------------------
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//
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void CCpsObserver::RegisterL( CLiwDefaultMap* aFilter, const TDesC& aRegistry )
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{
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CLiwGenericParamList* inParamList( CLiwGenericParamList::NewLC() );
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CLiwGenericParamList* outParamList( CLiwGenericParamList::NewLC() );
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// Fill in input list for RequestNotification command
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inParamList->AppendL(TLiwGenericParam(KType,TLiwVariant( aRegistry )));
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inParamList->AppendL(TLiwGenericParam(KFilter ,TLiwVariant( aFilter )));
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iInterface->ExecuteCmdL( KRequestNotification, *inParamList,
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*outParamList, 0, this );
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CleanupStack::PopAndDestroy( outParamList );
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CleanupStack::PopAndDestroy( inParamList );
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}
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// ---------------------------------------------------------------------------
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// CCpsObserver::ReleaseL
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//
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// Sing off to notification
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// ---------------------------------------------------------------------------
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//
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void CCpsObserver::ReleaseL()
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{
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if( iInterface )
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{
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CLiwGenericParamList* inParamList = CLiwGenericParamList::NewL();
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CleanupStack::PushL( inParamList );
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CLiwGenericParamList* outParamList = CLiwGenericParamList::NewL();
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CleanupStack::PushL( outParamList );
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iInterface->ExecuteCmdL( KRequestNotification, *inParamList, *outParamList,
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KLiwOptCancel, this );
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CleanupStack::PopAndDestroy( outParamList );
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CleanupStack::PopAndDestroy( inParamList );
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}
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}
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// ------------------------------------------------------------------------
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// CCpsObserver::InitLiwL
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//
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// Init LIW interface.
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// ------------------------------------------------------------------------
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void CCpsObserver::InitLiwL()
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{
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if ( !iLiwHandler )
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{
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TInt error( KErrNone );
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CLiwGenericParamList* in( NULL );
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CLiwGenericParamList* out( NULL );
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CLiwCriteriaItem* criterion( NULL );
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RCriteriaArray array( 1 );
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TCleanupItem cleanup( DoCleanup, &array );
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CleanupStack::PushL( cleanup );
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// Do the basic initialization.
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iLiwHandler = CLiwServiceHandler::NewL();
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// Get iCPSIface.
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in = CLiwGenericParamList::NewLC();
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out = CLiwGenericParamList::NewLC();
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criterion = CLiwCriteriaItem::NewL(
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KLiwCmdAsStr,
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KCPSConfigurationIf,
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KCPS );
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error = array.Append( criterion );
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if ( error )
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{
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delete criterion;
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criterion = NULL;
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User::Leave( error );
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}
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criterion->SetServiceClass( TUid::Uid( KLiwClassBase ) );
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iLiwHandler->AttachL( array );
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iLiwHandler->ExecuteServiceCmdL( *criterion, *in, *out );
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out->FindFirst( error, KCPSConfigurationIf );
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User::LeaveIfError( error );
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iInterface = (*out)[ error ].Value().AsInterface();
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CleanupStack::PopAndDestroy( 3 );
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}
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}
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// ---------------------------------------------------------------------------
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// CCpsObserver::ReleaseLiw
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// ---------------------------------------------------------------------------
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//
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void CCpsObserver::ReleaseLiw()
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{
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if ( iInterface )
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{
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iInterface->Close();
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iInterface = NULL;
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}
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delete iLiwHandler;
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iLiwHandler = NULL;
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}
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}
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// End of File
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