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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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*
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*/
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#include <tstaskmonitorglobals.h>
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#include "tsstorage.h"
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#include "tsmodelitemkeymsg.h"
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const TInt KTsDataLimit(10);
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// -----------------------------------------------------------------------------
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/**
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* Two phase construction. Create and initialize storage instance.
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* @param aDataProviders - list of data providers
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* @return storage instane
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*/
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CTsStorage* CTsStorage::NewL(const TArray<MTsModel*> &aDataProviders)
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{
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CTsStorage* self = new(ELeave) CTsStorage();
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CleanupStack::PushL( self );
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self->ConstructL( aDataProviders );
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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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/**
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* Destructor. Function cancel subscribtion for data change notyfications
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*/
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CTsStorage::~CTsStorage()
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{
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for( TInt iter(0); iter < iDataProviders.Count(); ++iter )
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{
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iDataProviders[iter]->SetObserver( 0 );
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}
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iData.Close();
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}
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// -----------------------------------------------------------------------------
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/**
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* First phase construction.
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*/
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CTsStorage::CTsStorage()
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{
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//No implementation required
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}
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// -----------------------------------------------------------------------------
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/**
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* Second phase construction. Function make subscribtion for data changes notifications
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* @param aDataProviders - list of data providers
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*/
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void CTsStorage::ConstructL( const TArray<MTsModel*> &aDataProviders )
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{
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for (TInt iter(0); iter < aDataProviders.Count(); ++iter)
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{
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iDataProviders.AppendL( aDataProviders[iter] );
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aDataProviders[iter]->SetObserver( this );
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}
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}
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// -----------------------------------------------------------------------------
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/**
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* Interface implementation
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* @see MTsDataObserver::DataChanged()
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*/
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void CTsStorage::DataChanged()
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{
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ResetModel();
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}
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// -----------------------------------------------------------------------------
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TBool CTsStorage::IsSupported( TInt aFunction ) const
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{
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return ( OpenTaskMessage == aFunction || CloseTaskMessage == aFunction );
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}
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// -----------------------------------------------------------------------------
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void CTsStorage::HandleDataL( TInt aFunction, RReadStream& aDataStream )
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{
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if( !IsSupported(aFunction) )
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{
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User::Leave( KErrCorrupt );
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}
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CTsModelItemKeyMsg* msg = CTsModelItemKeyMsg::NewLC( aDataStream );
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OpenTaskMessage == aFunction ? Launch( msg->Key() ) : Close( msg->Key() );
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CleanupStack::PopAndDestroy( msg );
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}
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// -----------------------------------------------------------------------------
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/**
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* Interface implementation
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* @see MTsModelObserver::dataChanged(MTsModel &)
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*/
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void CTsStorage::DataChanged(MTsModel &/*model*/)
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{
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ResetModel();
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}
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// -----------------------------------------------------------------------------
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/**
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* Interface implementation
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* @see MTsModel::count()
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*/
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TInt CTsStorage::Count() const
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{
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return iData.Count();
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}
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// -----------------------------------------------------------------------------
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/**
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* Interface implementation
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* @see MTsModel::SetObserver(MTsModelObserver *)
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*/
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void CTsStorage::SetObserver( MTsModelObserver* aObserver )
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{
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iDataObserver = aObserver;
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}
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// -----------------------------------------------------------------------------
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/**
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* Interface implementation
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* @see MTsModel::DisplayNameL(TInt)
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*/
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const TDesC& CTsStorage::DisplayName( TInt aOffset ) const
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{
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return iData[aOffset].DisplayName();
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}
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// -----------------------------------------------------------------------------
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/**
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* Interface implementation
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* @see MTsModel::IconHandleL(TInt)
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*/
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TInt CTsStorage::IconHandle( TInt aOffset ) const
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{
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return iData[aOffset].IconHandle();
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}
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// -----------------------------------------------------------------------------
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/**
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* Interface implementation
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* @see MTsModel::TimestampL(TInt)
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*/
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TTime CTsStorage::Timestamp( TInt aOffset ) const
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{
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return iData[aOffset].Timestamp();
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}
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// -----------------------------------------------------------------------------
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/**
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* Interface implementation
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* @see MTsModel::TimestampUpdateL(TInt)
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*/
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TTime CTsStorage::TimestampUpdate( TInt offset ) const
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{
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return iData[offset].TimestampUpdate();
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}
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// -----------------------------------------------------------------------------
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/**
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* Interface implementation
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* @see MTsModel::Key(TInt)
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*/
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TTsEntryKey CTsStorage::Key( TInt aoffset ) const
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{
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return iData[aoffset].Key();
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}
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// -----------------------------------------------------------------------------
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/**
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* Interface implementation
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* @see MTsModel::IsActive(TInt)
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*/
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TBool CTsStorage::IsActive( TInt aOffset ) const
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{
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return iData[aOffset].IsActive();
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}
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// -----------------------------------------------------------------------------
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/**
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* Interface implementation
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* @see MTsModel::IsClosableL(TInt)
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*/
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TBool CTsStorage::IsClosable( TInt aOffset ) const
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{
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return iData[aOffset].IsClosable();
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}
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// -----------------------------------------------------------------------------
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/**
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* Interface implementation
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* @see MTsModel::IsMandatoryL(TInt) const
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*/
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TBool CTsStorage::IsMandatory( TInt aOffset ) const
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{
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return iData[aOffset].IsMandatory();
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}
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// -----------------------------------------------------------------------------
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/**
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* Interface implementation
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* @see MTsModel::Close(TTsModelItemKey)
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*/
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TBool CTsStorage::Close( TTsEntryKey aKey ) const
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{
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TBool retVal(EFalse);
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TRAP_IGNORE(retVal = FindL(aKey).Close())
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return retVal;
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}
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// -----------------------------------------------------------------------------
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/**
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* Interface implementation
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* @see MTsModel::Launch(TTsModelItemKey)
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*/
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TBool CTsStorage::Launch(TTsEntryKey aKey) const
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{
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TBool retVal(EFalse);
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TRAP_IGNORE(retVal = FindL(aKey).Launch())
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return retVal;
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}
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// -----------------------------------------------------------------------------
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TTsModelItem CTsStorage::FindL( TTsEntryKey aKey ) const
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{
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for( TInt offset(0); offset < iData.Count(); ++offset )
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{
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if( iData[offset].Key() == aKey )
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{
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return iData[offset];
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}
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}
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User::Leave(KErrNotFound);
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return ItemL(0);//just avoid compilation warnings
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}
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// -----------------------------------------------------------------------------
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/**
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* Retrieve shallow copy of data from known data providers and sort entries
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*/
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TInt CTsStorage::ResetModel()
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{
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TRAPD(errNo, ResetModelL());
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return errNo;
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}
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// -----------------------------------------------------------------------------
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/**
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* Retrieve shallow copy of data from known data providers and sort entries
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*/
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void CTsStorage::ResetModelL()
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{
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iData.Reset();
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for(TInt iter(0); iter < iDataProviders.Count(); ++iter )
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{
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PullDataL(*(iDataProviders[iter]));
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}
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ReorderDataL();
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if (0 != iDataObserver)
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{
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iDataObserver->DataChanged(*this);
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}
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}
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// -----------------------------------------------------------------------------
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/**
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* Retrieve shallow copy of data from source model
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* @param aSrc - source model
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*/
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void CTsStorage::PullDataL( const MTsModel& aSrc )
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{
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for( TInt iter(0); iter < aSrc.Count(); ++iter )
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{
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iData.AppendL(aSrc.ItemL(iter));
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}
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}
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// -----------------------------------------------------------------------------
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/**
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* Sort internal data model
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*/
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void CTsStorage::ReorderDataL()
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{
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for( TInt prev(0); prev < iData.Count(); ++prev )
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{
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for( TInt next(prev + 1); next < iData.Count(); ++next )
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{
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const TTsModelItem prevItem(iData[prev]), nextItem(iData[next]);
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if( ( !prevItem.IsMandatory() && nextItem.IsMandatory() ) ||
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( prevItem.Timestamp() < nextItem.Timestamp() && prevItem.IsMandatory() == nextItem.IsMandatory() ) )
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{
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iData.Remove(prev);
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iData.InsertL(nextItem, prev);
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iData.Remove(next);
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iData.InsertL(prevItem, next);
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}
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}
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}
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TrimDataL();
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}
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// -----------------------------------------------------------------------------
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void CTsStorage::TrimDataL()
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{
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const TInt lastItemOffset(iData.Count() -1);
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if(KTsDataLimit <= lastItemOffset && !iData[lastItemOffset].IsMandatory())
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{
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iData.Remove(lastItemOffset);
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TrimDataL();
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}
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}
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