author | Kiiskinen Klaus (Nokia-D-MSW/Tampere) <klaus.kiiskinen@nokia.com> |
Mon, 30 Mar 2009 12:51:10 +0300 | |
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/* |
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* Copyright (c) 2007-2007 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 the License "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: It filter the media items as per the filter value sets |
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* |
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*/ |
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#ifndef __CMGPOSTFILTER_H |
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#define __CMGPOSTFILTER_H |
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#include <mclfpostfilter.h> |
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#include <e32base.h> |
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// CLASS DECLARATION |
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/** |
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* PostFilter class for Media Management.It filters the media items as per the |
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* filter values set |
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* |
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* @since Series60 v3.2 |
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*/ |
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NONSHARABLE_CLASS( CPostFilter ) : public CBase ,public MCLFPostFilter |
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{ |
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public: |
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/** |
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* Returns the instance of CPostFilter. |
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* @since Series60 v3.2 |
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* @param void |
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* @return CPostFilter* return the instance of CPostFilter class |
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*/ |
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static CPostFilter* NewL(); |
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/** |
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* Destructor. |
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*/ |
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virtual ~CPostFilter(); |
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/** |
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* Method to filter item list. This method is called when |
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* the filtering process is executed by list model refresh. |
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* @since Series60 v3.2 |
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* @param aItemList Source list, contains all items that are in |
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* the list model |
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* @param aFilteredItemList Filtered/destination list, contains all items |
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* that will be in the list model after filtering. |
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* @return void |
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*/ |
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virtual void FilterItemsL( const TArray<MCLFItem*>& aItemList, |
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RPointerArray<MCLFItem>& aFilteredItemList ); |
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/** |
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* This function will set the metadata on which the FilterItemsL function |
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* will filter the items in the list model. |
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* @since Series60 v3.2 |
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* @param aMetaDataId Id of filter criteria as per CLF framework |
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* @param aMetaDataType Datatype of the above Id |
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* @return void |
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*/ |
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void SetFilterMetaData(const TCLFDefaultFieldId& aMetaDataId, |
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const TCLFItemDataType& aMetaDataType); |
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/** |
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* This Function will set the filter values of the metadata given |
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* in SetFilterMetaData function |
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* Leave with KErrArgument if any arguments are out of range |
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* @since Series60 v3.2 |
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* @param aStartVal Start Value for filter criteria |
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* (i.e FilterCriteria >= aStartVal) |
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* @param aEndVal End Value for filter criteria |
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* (i.e FilterCriteria < aEndVal) |
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*/ |
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void SetFilterValueL(const TDesC& aStartVal,const TDesC& aEndVal); |
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/** |
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* It will clear filter metadata field. |
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* @since Series60 v3.2 |
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* @param void |
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* @return void |
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*/ |
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void Clear(); |
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private: |
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/** |
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* Constructor |
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* @since Series60 v3.2 |
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* @param void |
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* @return void |
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*/ |
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CPostFilter(); |
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/** |
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* This function will check if the given aItem matches with the set |
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* filtered values or not. |
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* @since Series60 v3.2 |
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* @param aItem media item |
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* @return -1 If aItem does not match with the set filter values ,0 If it match. |
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*/ |
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TInt CompareItem(MCLFItem* aItem); |
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private: |
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/** |
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* Contains the meta data on which filteration will be performed. |
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*/ |
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TCLFDefaultFieldId iFilterMetaData; |
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/** |
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* Contains the data type of meta data |
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*/ |
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TCLFItemDataType iFilterDataType; |
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/** |
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* Value of Filter MetaData. |
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*/ |
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HBufC* iFilterVal; |
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/** |
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* Starting Value of Filter MetaData if its DataType is Time. |
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*/ |
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TTime iStartTime; |
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/** |
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* Ending Value of Filter MetaData if its DataType is Time. |
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*/ |
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TTime iEndTime; |
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/** |
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* Starting Value of Filter MetaData if its DataType is Integer. |
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*/ |
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TInt32 iStartIntVal; |
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/** |
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* Ending Value of Filter MetaData if its DataType is Integer. |
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*/ |
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TInt32 iEndIntVal; |
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}; |
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#endif __CMGPOSTFILTER_H |