| author | Pat Downey <patd@symbian.org> |
| Wed, 01 Sep 2010 12:28:47 +0100 | |
| branch | RCL_3 |
| changeset 45 | a9c0808a1095 |
| parent 44 | 0b68a1b0c15e |
| permissions | -rw-r--r-- |
| 5 | 1 |
/* |
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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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50974a8b132e
Revision: 200945
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
5
diff
changeset
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#include <MCLFItem.h> |
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#include "mgpostfilter.h" |
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#include <mmfcontrollerpluginresolver.h> |
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const TInt32 KLargestSigned32 = 0x7fffffff; |
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const TInt64 KLargestSigned64 = 0x7fffffffffffffff; |
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// ----------------------------------------------------------------------------- |
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// CPostFilter::NewL |
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// Returns the instance of CPostFilter. |
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// ----------------------------------------------------------------------------- |
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CPostFilter* CPostFilter::NewL() |
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{
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CPostFilter* self = new (ELeave) CPostFilter(); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// CPostFilter::~CPostFilter |
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// Destructor |
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// ----------------------------------------------------------------------------- |
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CPostFilter::~CPostFilter() |
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{
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delete iFilterVal; |
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} |
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// ----------------------------------------------------------------------------- |
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// CPostFilter::FilterItemsL |
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// Method to filter source list. This method is called when |
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// the filtering process is executed by list model refresh method. |
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// ----------------------------------------------------------------------------- |
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void CPostFilter::FilterItemsL( const TArray<MCLFItem*>& aItemList, |
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RPointerArray<MCLFItem>& aFilteredItemList ) |
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{
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// It will filter the Items |
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CleanupResetAndDestroyPushL(aFilteredItemList); |
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MCLFItem* item = NULL; |
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for( TInt i = 0 ; i < aItemList.Count() ; ++i ) |
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{
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item = aItemList[i]; |
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if( 0 == CompareItem( item )) |
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{
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// item should be include in result |
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aFilteredItemList.AppendL( item ); |
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} |
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} |
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CleanupStack::Pop(&aFilteredItemList); |
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} |
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// ----------------------------------------------------------------------------- |
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// CPostFilter::SetFilterMetaData |
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// method to set the filter metadata |
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// ----------------------------------------------------------------------------- |
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void CPostFilter::SetFilterMetaData(const TCLFDefaultFieldId& aMetaDataId, |
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const TCLFItemDataType& aMetaDataType) |
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{
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iFilterMetaData = aMetaDataId; |
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iFilterDataType = aMetaDataType; |
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} |
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// ----------------------------------------------------------------------------- |
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// CPostFilter::SetFilterValue |
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// Method to set the filter value |
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// return KErrCancel if the FilterMetaData is not Set |
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// return KErrArgument if the Start or End Value is not Supported |
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// return KErrNone if sucessful |
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// ----------------------------------------------------------------------------- |
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void CPostFilter::SetFilterValueL(const TDesC& aStartVal, |
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const TDesC& aEndVal) |
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{
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// check the filter values as per the meta data ... |
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// If any abnormal values come it will return proper error code.. |
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switch ( iFilterDataType ) |
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{
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case ECLFItemDataTypeDesC: |
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{
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//Filter Id and Value Not NULL |
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if( 0 != aStartVal.CompareF( KNullDesC ) ) |
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{
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iFilterVal = aStartVal.AllocL(); |
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} |
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else |
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{
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User::Leave( KErrNotFound ); |
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} |
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break; |
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} |
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case ECLFItemDataTypeTTime: |
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{
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if( ( 0 == aStartVal.CompareF( KNullDesC ) ) && |
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( 0 == aEndVal.CompareF( KNullDesC ) ) ) |
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{
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User::Leave( KErrArgument ); |
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} |
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if( 0 != aStartVal.CompareF( KNullDesC ) ) |
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{
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// check whether start time is in correct format |
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if( KErrNone != iStartTime.Set( aStartVal ) ) |
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{
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User::Leave( KErrArgument ); |
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} |
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} |
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if( 0 != aEndVal.CompareF( KNullDesC ) ) |
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{
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// check whether end time is in correct format |
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if( KErrNone != iEndTime.Set( aEndVal ) ) |
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{
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User::Leave( KErrArgument ); |
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} |
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} |
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if( iStartTime > iEndTime ) |
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{
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User::Leave( KErrArgument ); |
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} |
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break; |
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} |
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case ECLFItemDataTypeTInt32: |
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{
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TLex lex; |
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if( ( 0 == aStartVal.CompareF( KNullDesC ) ) && |
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( 0 == aEndVal.CompareF( KNullDesC ) ) ) |
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{
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User::Leave( KErrArgument ); |
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} |
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if( 0 != aStartVal.CompareF( KNullDesC ) ) |
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{
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lex = aStartVal; |
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//check if start value was valid |
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if( KErrNone != lex.Val( iStartIntVal ) ) |
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{
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User::Leave( KErrArgument ); |
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} |
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} |
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if( 0 != aEndVal.CompareF( KNullDesC ) ) |
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{
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lex = aEndVal; |
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//check if end value given was valid |
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if( KErrNone != lex.Val( iEndIntVal ) ) |
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{
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User::Leave( KErrArgument ); |
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} |
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} |
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if( iStartIntVal > iEndIntVal |
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|| iStartIntVal<0 |
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|| iEndIntVal<0) |
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{
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User::Leave( KErrArgument ); |
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} |
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break; |
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} |
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default: |
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{
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User::Leave( KErrArgument ); |
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} |
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}//End Switch Case |
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}// End Function |
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// ----------------------------------------------------------------------------- |
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// CPostFilter::CPostFilter |
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// Constructor |
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// ----------------------------------------------------------------------------- |
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CPostFilter::CPostFilter(): |
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iFilterMetaData( ECLFFieldIdNull ), |
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iFilterVal(NULL), |
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iStartTime( 0 ), |
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iEndTime( KLargestSigned64 ), |
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iStartIntVal( 0 ), |
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iEndIntVal( KLargestSigned32 ) |
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{
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} |
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// ----------------------------------------------------------------------------- |
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// CPostFilter::Clear |
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// It will clear the filter metadata field |
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// ----------------------------------------------------------------------------- |
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void CPostFilter::Clear() |
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{
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iFilterMetaData = ECLFFieldIdNull; |
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iFilterDataType = ECLFItemDataTypeNull; |
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iStartIntVal=0; |
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iEndIntVal =KLargestSigned32; |
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iStartTime = 0; |
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iEndTime =KLargestSigned64; |
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delete iFilterVal; |
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iFilterVal = NULL; |
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} |
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// ----------------------------------------------------------------------------- |
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// CPostFilter::CompareItem |
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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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// @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 CPostFilter::CompareItem( MCLFItem* aItem ) |
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{
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//this function matches the aItem with the filter values. |
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TInt retValue = 0; |
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// If no filter MetaData skip the function |
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if( ECLFFieldIdNull != iFilterMetaData ) |
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{
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switch ( iFilterDataType ) |
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{
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case ECLFItemDataTypeDesC: |
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{
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if( 0 != ( *iFilterVal ).CompareF( KNullDesC ) ) |
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{
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TPtrC itemVal; |
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if( KErrNone == aItem->GetField( iFilterMetaData, itemVal ) ) |
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{
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if( 0 != itemVal.CompareF( *iFilterVal ) ) |
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{
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retValue = -1; |
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} |
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} |
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else |
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{
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retValue = -1; |
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} |
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} |
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break; |
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}// case ECLFItemDataTypeDesC |
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case ECLFItemDataTypeTTime: |
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{
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TTime itemVal; |
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if( KErrNone == aItem->GetField( iFilterMetaData, itemVal ) ) |
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{
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if( !(( itemVal >= iStartTime ) && ( itemVal <= iEndTime )) ) |
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{
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retValue = -1; |
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} |
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} |
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else |
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{
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retValue = -1; |
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} |
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break; |
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}// case ECLFItemDataTypeTTime |
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case ECLFItemDataTypeTInt32: |
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{
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TInt32 itemVal; |
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if( KErrNone == aItem->GetField( iFilterMetaData, itemVal ) ) |
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{
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if( !(( itemVal >= iStartIntVal ) && ( itemVal <= iEndIntVal ))) |
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{
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retValue = -1; |
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} |
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} |
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else |
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{
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retValue = -1; |
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} |
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break; |
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}// case ECLFItemDataTypeTInt32 |
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default: |
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{
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retValue = -1; |
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break; |
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} |
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}//End Switch Case |
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} |
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return retValue; |
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} |
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