idlefw/inc/utility/caicontentitemarrayiterator.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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/*
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* Copyright (c) 2005-2006 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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#ifndef C_AIARRAYITERATOR_H
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#define C_AIARRAYITERATOR_H
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#include <e32base.h>
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#include <aicontentmodel.h>
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/**
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 *  @ingroup group_aiutils
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 * 
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 *  Content item array iterator.
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 *
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 *  Iterator implementation for content item arrays
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 *  Usage example:
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 *
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 *      const TAiContentItem KExPluginContent[] =
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 *          {
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 *              { 1, "Counter", "text/plain" },
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 *              { 2, "Status",  "text/plain" }
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 *          };
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 *
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 *      CAiContentItemArrayIterator* iContent =
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 *          CreateIteratorL( KExPluginContent );
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 *
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 *      while( iContent->HasNext() )
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 *          {
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 *          TAiContentItem& myItem = iContent->NextL();
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 *          // My ops using myItem
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 *          }
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 *
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 *  @since S60 3.1
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 */
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NONSHARABLE_CLASS(CAiContentItemArrayIterator) : 
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    public CBase, public MAiContentItemIterator
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    {
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public:
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    /**
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     * Creates a new iterator instance from a TAiContentItem array.
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     *
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     * @param aArray content item array.
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     * @param aCount  number of content items in aArray.
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     * @return a new iterator object for aArray.
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     * @see CreateIteratorL
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     * @since S60 3.2
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     */
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    static CAiContentItemArrayIterator* NewL
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        ( const TAiContentItem* aArray, TInt aCount );
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    virtual ~CAiContentItemArrayIterator();
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    void Release();
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// from base class MAiContentItemIterator
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    TBool HasNext() const;
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    const TAiContentItem& NextL();
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    const TAiContentItem& ItemL(TInt aId) const;
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	const TAiContentItem& ItemL( const TDesC& aCid ) const;
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    void Reset();
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private:
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     CAiContentItemArrayIterator( const TAiContentItem* aArray, TInt aCount );
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private: // data
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    /**
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     * Array of items
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     * Not Own.
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     */
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    const TAiContentItem*   iArray;
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    /**
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     * Total number of items
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     */
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    TInt                    iCount;
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    /**
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     * Current iterator index
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     */
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    TInt                    iIndex;
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    };
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#endif // C_CAiContentItemArrayIterator_H