author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 14 May 2010 15:52:22 +0300 | |
changeset 29 | 2c833fc9e98f |
parent 24 | 99ad1390cd33 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008-2009 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: Item ordered for traversing lists |
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* |
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*/ |
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#include "mglxmedialist.h" |
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#include "glxlistutils.h" |
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#include "glxmedialistiterator.h" |
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#include <glxtracer.h> |
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#include <glxlog.h> |
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#include <hal.h> |
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const TInt KSequentialIteratorInitialValue = -1; |
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// Default granularity of items to request for |
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const TUint KGlxBlockyIteratorDefaultGranularity = 15; |
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const TInt KGlxLowerMemoryLimitForCacheSize = 15000000; |
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const TInt KGlxUpperMemoryLimitForCacheSize = 25000000; |
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const TInt KMaxLowMemOffsetValue = 3; |
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const TInt KMinLowMemOffsetValue = 1; |
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const TInt KMaxLowMemOffsetValueList = 10; |
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const TInt KMinLowMemOffsetValueList = 6; |
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const TInt KRearOffsetListValue = 2; |
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EXPORT_C TGlxSequentialIterator::TGlxSequentialIterator() |
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{ |
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TRACER("TGlxSequentialIterator::TGlxSequentialIterator"); |
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iList = NULL; |
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iCurrentItem = KSequentialIteratorInitialValue; |
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iRange = KMaxTInt; // To support full list length iteration,if range is not set |
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} |
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// ----------------------------------------------------------------------------- |
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// Set to first item |
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// ----------------------------------------------------------------------------- |
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// |
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void TGlxSequentialIterator::SetToFirst(const MGlxMediaList* aList) |
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{ |
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TRACER("TGlxSequentialIterator::SetToFirst"); |
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__ASSERT_DEBUG(aList != NULL, Panic(EGlxPanicNullPointer)); |
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iList = aList; |
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iCurrentItem = KSequentialIteratorInitialValue; |
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} |
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// ----------------------------------------------------------------------------- |
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// Return the next item index or KErrNotFound |
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// ----------------------------------------------------------------------------- |
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// |
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TInt TGlxSequentialIterator::operator++(TInt) |
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{ |
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TRACER("TGlxSequentialIterator::operator++"); |
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iCurrentItem++; |
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if (iCurrentItem < iList->Count() && iCurrentItem < iRange ) |
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{ |
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return iCurrentItem; |
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} |
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else |
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{ |
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return KErrNotFound; |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// Return ETrue if index is within range, EFalse otherwise |
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// ----------------------------------------------------------------------------- |
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// |
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TBool TGlxSequentialIterator::InRange(TInt aIndex) const |
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{ |
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TRACER("TGlxSequentialIterator::InRange"); |
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return (aIndex < iRange && aIndex < iList->Count() && aIndex >= 0); |
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} |
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// ----------------------------------------------------------------------------- |
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// SetRange |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C void TGlxSequentialIterator::SetRange( TInt aRange ) |
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{ |
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TRACER("TGlxSequentialIterator::SetRange"); |
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iRange = aRange; |
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} |
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// ----------------------------------------------------------------------------- |
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// Constructor |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C TGlxSpecificIdIterator::TGlxSpecificIdIterator(const TGlxIdSpaceId& aIdSpaceId, TGlxMediaId aMediaId) |
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: iMediaId(aMediaId), iIdSpaceId(aIdSpaceId), iFinished(EFalse) |
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{ |
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TRACER("TGlxSpecificIdIterator::TGlxSpecificIdIterator"); |
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|
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} |
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|
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// ----------------------------------------------------------------------------- |
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// Set to first item |
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// ----------------------------------------------------------------------------- |
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// |
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void TGlxSpecificIdIterator::SetToFirst(const MGlxMediaList* aList) |
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{ |
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TRACER("TGlxSpecificIdIterator::SetToFirst"); |
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|
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__ASSERT_DEBUG(aList != NULL, Panic(EGlxPanicNullPointer)); |
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iList = aList; |
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iFinished = EFalse; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// Return the next item index or KErrNotFound |
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// ----------------------------------------------------------------------------- |
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// |
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TInt TGlxSpecificIdIterator::operator++(TInt) |
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{ |
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TRACER("TGlxSpecificIdIterator::operator++"); |
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|
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if (iFinished) |
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{ |
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return KErrNotFound; |
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} |
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else |
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{ |
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iFinished = ETrue; |
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return iList->Index(iIdSpaceId, iMediaId); |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// Return ETrue if index is within range, EFalse otherwise |
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// ----------------------------------------------------------------------------- |
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// |
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TBool TGlxSpecificIdIterator::InRange(TInt aIndex) const |
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{ |
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TRACER("TGlxSpecificIdIterator::InRange"); |
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|
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return (aIndex == iList->Index(iIdSpaceId, iMediaId)); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// Constructor |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C TGlxFirstThenLastIterator::TGlxFirstThenLastIterator() |
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{ |
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TRACER("TGlxFirstThenLastIterator::TGlxFirstThenLastIterator"); |
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|
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iCurrentItem = 0; |
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iList = NULL; |
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} |
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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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EXPORT_C TGlxFirstThenLastIterator::~TGlxFirstThenLastIterator() |
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{ |
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TRACER("TGlxFirstThenLastIterator::~TGlxFirstThenLastIterator"); |
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|
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} |
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|
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// ----------------------------------------------------------------------------- |
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// Set to first item |
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// ----------------------------------------------------------------------------- |
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// |
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void TGlxFirstThenLastIterator::SetToFirst(const MGlxMediaList* aList) |
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{ |
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TRACER("TGlxFirstThenLastIterator::SetToFirst"); |
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__ASSERT_DEBUG(aList, Panic(EGlxPanicNullPointer)); |
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|
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iList = aList; |
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iCurrentItem = 0; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// Return the next item index or KErrNotFound |
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// ----------------------------------------------------------------------------- |
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// |
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TInt TGlxFirstThenLastIterator::operator++(TInt) |
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{ |
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TRACER("TGlxFirstThenLastIterator::operator++"); |
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__ASSERT_DEBUG(iList != NULL, Panic(EGlxPanicNullPointer)); |
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|
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TInt count = iList->Count(); |
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if (count <= 0) |
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{ |
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return KErrNotFound; |
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} |
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|
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if (iCurrentItem == 0) |
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{ |
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// Return first item index |
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iCurrentItem++; |
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return 0; |
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} |
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|
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if (iCurrentItem == 1) |
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{ |
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// Return last item index |
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iCurrentItem++; |
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return count - 1; |
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} |
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|
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// At last item already |
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return KErrNotFound; |
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} |
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// ----------------------------------------------------------------------------- |
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// Return ETrue if index is within range, EFalse otherwise |
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// ----------------------------------------------------------------------------- |
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// |
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TBool TGlxFirstThenLastIterator::InRange(TInt aIndex) const |
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{ |
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TRACER("TGlxFirstThenLastIterator::InRange"); |
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__ASSERT_DEBUG(aIndex >= 0 && aIndex < iList->Count(), Panic(EGlxPanicIllegalArgument)); |
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|
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// Return ETrue if first or last item |
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return (aIndex == 0) || (aIndex == iList->Count() - 1); |
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} |
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237 |
|
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// ----------------------------------------------------------------------------- |
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// Constructor |
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// ----------------------------------------------------------------------------- |
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241 |
// |
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EXPORT_C TGlxFromFocusOutwardIterator::TGlxFromFocusOutwardIterator() |
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{ |
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TRACER("TGlxFromFocusOutwardIterator::TGlxFromFocusOutwardIterator"); |
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iCurrentItem = 0; |
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iFrontOffset = 0; |
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iRearOffset = 0; |
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iList = NULL; |
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} |
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250 |
|
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// ----------------------------------------------------------------------------- |
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// Destructor |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C TGlxFromFocusOutwardIterator::~TGlxFromFocusOutwardIterator() |
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{ |
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TRACER("TGlxFromFocusOutwardIterator::~TGlxFromFocusOutwardIterator"); |
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} |
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259 |
|
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// ---------------------------------------------------------------------------- |
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// Set range offsets |
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// ---------------------------------------------------------------------------- |
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// |
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EXPORT_C void TGlxFromFocusOutwardIterator::SetRangeOffsets(TInt aRearOffset, |
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TInt aFrontOffset) |
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{ |
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TRACER("TGlxFromFocusOutwardIterator::SetRangeOffsets"); |
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__ASSERT_DEBUG(aRearOffset >= 0 && aFrontOffset >= 0, Panic(EGlxPanicIllegalArgument)); |
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iFrontOffset = aFrontOffset; |
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iRearOffset = aRearOffset; |
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iOriginalFrontOffset = iFrontOffset; |
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iOriginalRearOffset = iRearOffset; |
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} |
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274 |
|
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// ----------------------------------------------------------------------------- |
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// Set to first item |
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// ----------------------------------------------------------------------------- |
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// |
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void TGlxFromFocusOutwardIterator::SetToFirst(const MGlxMediaList* aList) |
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{ |
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TRACER("TGlxFromFocusOutwardIterator::SetToFirst"); |
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__ASSERT_DEBUG(aList != NULL, Panic(EGlxPanicNullPointer)); |
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283 |
|
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iList = aList; |
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iCurrentItem = 0; |
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} |
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287 |
|
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// ----------------------------------------------------------------------------- |
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// Return the item index or KErrNotFound, and goes to next |
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// ----------------------------------------------------------------------------- |
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// |
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TInt TGlxFromFocusOutwardIterator::operator++(TInt) |
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293 |
{ |
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TRACER("TGlxFromFocusOutwardIterator::operator++"); |
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__ASSERT_DEBUG(iList != NULL, Panic(EGlxPanicNullPointer)); |
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|
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TInt count = iList->Count(); |
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if (count <= 0) |
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{ |
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return KErrNotFound; |
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} |
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302 |
|
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if (iOriginalFrontOffset > KMaxLowMemOffsetValue && |
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iOriginalRearOffset > KMaxLowMemOffsetValue) |
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{ |
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TInt freeMemory = 0; |
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HAL::Get( HALData::EMemoryRAMFree, freeMemory ); |
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if ( freeMemory < KGlxUpperMemoryLimitForCacheSize && |
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freeMemory > KGlxLowerMemoryLimitForCacheSize ) |
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{ |
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iFrontOffset = KMaxLowMemOffsetValue; |
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iRearOffset = KMaxLowMemOffsetValue; |
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} |
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else if ( freeMemory < KGlxLowerMemoryLimitForCacheSize ) |
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315 |
{ |
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|
316 |
iFrontOffset = KMinLowMemOffsetValue; |
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parents:
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|
317 |
iRearOffset = KMinLowMemOffsetValue; |
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|
318 |
} |
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|
319 |
else if (iFrontOffset != iOriginalFrontOffset |
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|
320 |
&& iRearOffset!= iOriginalRearOffset) |
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|
321 |
{ |
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parents:
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|
322 |
iFrontOffset = Max(iFrontOffset, iOriginalFrontOffset ); |
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|
323 |
iRearOffset = Max(iRearOffset, iOriginalRearOffset ); |
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|
324 |
} |
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|
325 |
} |
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diff
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|
326 |
|
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|
327 |
// Check if out of bounds |
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|
328 |
if (iFrontOffset + iRearOffset < iCurrentItem || count <= iCurrentItem) |
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|
329 |
{ |
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|
330 |
return KErrNotFound; |
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parents:
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|
331 |
} |
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|
332 |
|
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diff
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|
333 |
// The ranges may be inequal, which means there won't be any jumping between |
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|
334 |
// front and rear. |
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|
335 |
|
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|
336 |
// |-------F----------------------| |
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|
337 |
// |< jumping zone>| |
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|
338 |
|
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|
339 |
TInt index = iList->FocusIndex(); |
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|
340 |
|
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|
341 |
TInt min = Min(iFrontOffset, iRearOffset); |
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parents:
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|
342 |
TInt jumpingZoneLength = min * 2; |
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parents:
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|
343 |
if (iCurrentItem <= jumpingZoneLength) |
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|
344 |
{ |
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|
345 |
// Still within the (rear-front-rear-front) jumping zone |
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|
346 |
TInt distanceFromFocus = (iCurrentItem + 1) / 2; |
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parents:
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|
347 |
TBool rear = !(iCurrentItem & 1); // Rear if number is even |
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|
348 |
if (rear) |
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|
349 |
{ |
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parents:
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|
350 |
index -= distanceFromFocus; |
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|
351 |
} |
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Revision: 201007
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parents:
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|
352 |
else |
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Revision: 201007
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parents:
diff
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|
353 |
{ |
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|
354 |
index += distanceFromFocus; |
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parents:
diff
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|
355 |
} |
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Revision: 201007
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parents:
diff
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|
356 |
} |
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|
357 |
else |
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|
358 |
{ |
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|
359 |
__ASSERT_DEBUG(iFrontOffset != iRearOffset, Panic(EGlxPanicLogicError)); |
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parents:
diff
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|
360 |
|
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Revision: 201007
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parents:
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|
361 |
// index is currently focus index. Figure out how much need to move. |
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parents:
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|
362 |
TInt indexesFromFocus = iCurrentItem - min; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
363 |
if (iRearOffset < iFrontOffset) |
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Revision: 201007
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parents:
diff
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|
364 |
{ |
74c9f037fd5d
Revision: 201007
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parents:
diff
changeset
|
365 |
// Front range is longer than rear, so the item is on the front side |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
366 |
index += indexesFromFocus; |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
367 |
} |
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Revision: 201007
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parents:
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|
368 |
else |
74c9f037fd5d
Revision: 201007
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parents:
diff
changeset
|
369 |
{ |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
370 |
// Rear range is longer than front, so the item is on the rear side |
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Revision: 201007
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parents:
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|
371 |
index -= indexesFromFocus; |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
372 |
} |
74c9f037fd5d
Revision: 201007
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parents:
diff
changeset
|
373 |
} |
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Revision: 201007
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parents:
diff
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|
374 |
|
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Revision: 201007
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parents:
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|
375 |
iCurrentItem++; |
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Revision: 201007
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parents:
diff
changeset
|
376 |
|
74c9f037fd5d
Revision: 201007
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parents:
diff
changeset
|
377 |
// The index may be below 0 or above count. Normalise back to list indexes. |
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Revision: 201007
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parents:
diff
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|
378 |
return GlxListUtils::NormalizedIndex(index, count); |
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Revision: 201007
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parents:
diff
changeset
|
379 |
} |
74c9f037fd5d
Revision: 201007
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parents:
diff
changeset
|
380 |
|
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
381 |
// ----------------------------------------------------------------------------- |
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Revision: 201007
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parents:
diff
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|
382 |
// Return ETrue if index is within range, EFalse otherwise |
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Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
383 |
// ----------------------------------------------------------------------------- |
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Revision: 201007
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parents:
diff
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|
384 |
// |
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Revision: 201007
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parents:
diff
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|
385 |
TBool TGlxFromFocusOutwardIterator::InRange(TInt aIndex) const |
74c9f037fd5d
Revision: 201007
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parents:
diff
changeset
|
386 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
387 |
TRACER("TGlxFromFocusOutwardIterator::InRange"); |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
388 |
TInt count = iList->Count(); |
74c9f037fd5d
Revision: 201007
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parents:
diff
changeset
|
389 |
|
74c9f037fd5d
Revision: 201007
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parents:
diff
changeset
|
390 |
// Handle the case where range is longer than count separately, because looping will |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
391 |
// confuse otherwise |
74c9f037fd5d
Revision: 201007
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parents:
diff
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|
392 |
if (count <= iRearOffset + iFrontOffset) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
393 |
{ |
74c9f037fd5d
Revision: 201007
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parents:
diff
changeset
|
394 |
// Range is longer than count, must be in range |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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|
395 |
return ETrue; |
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Revision: 201007
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parents:
diff
changeset
|
396 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
398 |
TInt focusIndex = iList->FocusIndex(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
TInt firstInRange = GlxListUtils::NormalizedIndex(focusIndex - iRearOffset, count); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
TInt lastInRange = GlxListUtils::NormalizedIndex(focusIndex + iFrontOffset, count); |
74c9f037fd5d
Revision: 201007
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parents:
diff
changeset
|
401 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
if (firstInRange <= lastInRange) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
// Normal case: | F-------L | |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
return aIndex >= firstInRange && aIndex <= lastInRange; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
else |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
// Looping case: |----L F----| |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
return aIndex <= lastInRange || aIndex >= firstInRange; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
// Constructor |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
416 |
// ----------------------------------------------------------------------------- |
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Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
// |
24
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
418 |
EXPORT_C TGlxFromVisibleIndexOutwardListIterator::TGlxFromVisibleIndexOutwardListIterator() |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
419 |
{ |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
420 |
TRACER("TGlxFromVisibleIndexOutwardListIterator::TGlxFromVisibleIndexOutwardListIterator"); |
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|
421 |
iCurrentItem = 0; |
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|
422 |
iFrontOffset = 0; |
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|
423 |
iRearOffset = 0; |
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|
424 |
iList = NULL; |
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|
425 |
} |
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changeset
|
426 |
|
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|
427 |
// ----------------------------------------------------------------------------- |
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|
428 |
// Destructor |
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|
429 |
// ----------------------------------------------------------------------------- |
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|
430 |
// |
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|
431 |
EXPORT_C TGlxFromVisibleIndexOutwardListIterator::~TGlxFromVisibleIndexOutwardListIterator() |
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|
432 |
{ |
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|
433 |
TRACER("TGlxFromVisibleIndexOutwardListIterator::~TGlxFromVisibleIndexOutwardListIterator"); |
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|
434 |
} |
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changeset
|
435 |
|
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|
436 |
// ---------------------------------------------------------------------------- |
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|
437 |
// Set range offsets |
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|
438 |
// ---------------------------------------------------------------------------- |
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|
439 |
// |
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|
440 |
EXPORT_C void TGlxFromVisibleIndexOutwardListIterator::SetRangeOffsets(TInt aRearOffset, |
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|
441 |
TInt aFrontOffset) |
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changeset
|
442 |
{ |
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|
443 |
TRACER("TGlxFromVisibleIndexOutwardListIterator::SetRangeOffsets"); |
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|
444 |
__ASSERT_DEBUG(aRearOffset >= 0 && aFrontOffset >= 0, Panic(EGlxPanicIllegalArgument)); |
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|
445 |
iFrontOffset = aFrontOffset; |
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|
446 |
iRearOffset = aRearOffset; |
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|
447 |
iOriginalFrontOffset = iFrontOffset; |
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|
448 |
iOriginalRearOffset = iRearOffset; |
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|
449 |
} |
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|
450 |
|
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|
451 |
// ----------------------------------------------------------------------------- |
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|
452 |
// Set to first item |
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|
453 |
// ----------------------------------------------------------------------------- |
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|
454 |
// |
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|
455 |
void TGlxFromVisibleIndexOutwardListIterator::SetToFirst(const MGlxMediaList* aList) |
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|
456 |
{ |
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|
457 |
TRACER("TGlxFromVisibleIndexOutwardListIterator::SetToFirst"); |
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|
458 |
__ASSERT_DEBUG(aList != NULL, Panic(EGlxPanicNullPointer)); |
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|
459 |
|
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|
460 |
iList = aList; |
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|
461 |
iCurrentItem = 0; |
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|
462 |
} |
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|
463 |
|
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|
464 |
// ----------------------------------------------------------------------------- |
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|
465 |
// Return the item index or KErrNotFound, and goes to next |
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|
466 |
// ----------------------------------------------------------------------------- |
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|
467 |
// |
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|
468 |
TInt TGlxFromVisibleIndexOutwardListIterator::operator++(TInt) |
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|
469 |
{ |
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|
470 |
TRACER("TGlxFromVisibleIndexOutwardListIterator::operator++"); |
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|
471 |
__ASSERT_DEBUG(iList != NULL, Panic(EGlxPanicNullPointer)); |
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changeset
|
472 |
|
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|
473 |
TInt count = iList->Count(); |
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|
474 |
if (count <= 0) |
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|
475 |
{ |
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|
476 |
return KErrNotFound; |
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|
477 |
} |
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changeset
|
478 |
|
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|
479 |
if (iOriginalFrontOffset > KMaxLowMemOffsetValue && |
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|
480 |
iOriginalRearOffset > KMaxLowMemOffsetValue) |
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changeset
|
481 |
{ |
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changeset
|
482 |
TInt freeMemory = 0; |
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|
483 |
HAL::Get( HALData::EMemoryRAMFree, freeMemory ); |
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|
484 |
if ( freeMemory < KGlxUpperMemoryLimitForCacheSize && |
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changeset
|
485 |
freeMemory > KGlxLowerMemoryLimitForCacheSize ) |
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changeset
|
486 |
{ |
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|
487 |
iFrontOffset = KMaxLowMemOffsetValueList; |
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|
488 |
iRearOffset = KRearOffsetListValue; |
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|
489 |
} |
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|
490 |
else if ( freeMemory < KGlxLowerMemoryLimitForCacheSize ) |
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changeset
|
491 |
{ |
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|
492 |
iFrontOffset = KMinLowMemOffsetValueList; |
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|
493 |
iRearOffset = KRearOffsetListValue; |
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changeset
|
494 |
} |
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|
495 |
else if (iFrontOffset != iOriginalFrontOffset |
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|
496 |
&& iRearOffset!= iOriginalRearOffset) |
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changeset
|
497 |
{ |
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|
498 |
iFrontOffset = Max(iFrontOffset, iOriginalFrontOffset ); |
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|
499 |
iRearOffset = Max(iRearOffset, iOriginalRearOffset ); |
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changeset
|
500 |
} |
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|
501 |
} |
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changeset
|
502 |
|
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changeset
|
503 |
// Check if out of bounds |
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|
504 |
if (iFrontOffset + iRearOffset < iCurrentItem || count <= iCurrentItem) |
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changeset
|
505 |
{ |
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Revision: 201011
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|
506 |
return KErrNotFound; |
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changeset
|
507 |
} |
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changeset
|
508 |
|
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Revision: 201011
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|
509 |
TInt index = iList->VisibleWindowIndex() + iCurrentItem ; |
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|
510 |
iCurrentItem++; |
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changeset
|
511 |
|
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changeset
|
512 |
// The index may be below 0 or above count. Normalise back to list indexes. |
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|
513 |
return GlxListUtils::NormalizedIndex(index, count); |
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Revision: 201011
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|
514 |
} |
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Revision: 201011
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changeset
|
515 |
|
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Revision: 201011
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changeset
|
516 |
// ----------------------------------------------------------------------------- |
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Revision: 201011
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|
517 |
// Return ETrue if index is within range, EFalse otherwise |
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Revision: 201011
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changeset
|
518 |
// ----------------------------------------------------------------------------- |
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Revision: 201011
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changeset
|
519 |
// |
99ad1390cd33
Revision: 201011
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|
520 |
TBool TGlxFromVisibleIndexOutwardListIterator::InRange(TInt aIndex) const |
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Revision: 201011
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changeset
|
521 |
{ |
99ad1390cd33
Revision: 201011
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changeset
|
522 |
TRACER("TGlxFromVisibleIndexOutwardListIterator::InRange"); |
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Revision: 201011
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23
diff
changeset
|
523 |
TInt count = iList->Count(); |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
524 |
|
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
525 |
// Handle the case where range is longer than count separately, because looping will |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
526 |
// confuse otherwise |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
527 |
if (count <= iRearOffset + iFrontOffset) |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
528 |
{ |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
529 |
// Range is longer than count, must be in range |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
530 |
return ETrue; |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
531 |
} |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
532 |
TInt focusIndex; |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
533 |
if (!iList->VisibleWindowIndex()) |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
534 |
focusIndex = 0; |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
535 |
else |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
536 |
focusIndex = iList->VisibleWindowIndex(); |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
537 |
|
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
538 |
TInt firstInRange = GlxListUtils::NormalizedIndex(focusIndex - iRearOffset, count); |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
539 |
TInt lastInRange = GlxListUtils::NormalizedIndex(focusIndex + iFrontOffset, count); |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
540 |
|
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
541 |
if (firstInRange <= lastInRange) |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
542 |
{ |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
543 |
// Normal case: | F-------L | |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
544 |
return aIndex >= firstInRange && aIndex <= lastInRange; |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
545 |
} |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
546 |
else |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
547 |
{ |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
548 |
// Looping case: |----L F----| |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
549 |
return aIndex <= lastInRange || aIndex >= firstInRange; |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
550 |
} |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
551 |
} |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
552 |
|
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
553 |
// ----------------------------------------------------------------------------- |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
554 |
// Constructor |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
555 |
// ----------------------------------------------------------------------------- |
99ad1390cd33
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
23
diff
changeset
|
556 |
// |
23
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
EXPORT_C TGlxFromIndexOutwardBlockyIterator::TGlxFromIndexOutwardBlockyIterator( |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
558 |
const MGlxIndex& aIndexFunctor ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
: iIndexFunctor( aIndexFunctor ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
560 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
TRACER("TGlxFromIndexOutwardBlockyIterator::TGlxFromIndexOutwardBlockyIterator"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
562 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
563 |
iCurrentItem = 0; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
564 |
iFrontOffset = 2 * KGlxBlockyIteratorDefaultGranularity; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
iRearOffset = 2 * KGlxBlockyIteratorDefaultGranularity; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
iList = NULL; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
567 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
568 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
569 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
// Destructor |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
573 |
EXPORT_C TGlxFromIndexOutwardBlockyIterator::~TGlxFromIndexOutwardBlockyIterator() |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
TRACER("TGlxFromIndexOutwardBlockyIterator::~TGlxFromIndexOutwardBlockyIterator"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
576 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
// ---------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
// Set range offsets |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
// ---------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
EXPORT_C void TGlxFromIndexOutwardBlockyIterator::SetRangeOffsets(TInt aRearOffset, |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
TInt aFrontOffset) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
TRACER("TGlxFromIndexOutwardBlockyIterator::SetRangeOffsets"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
587 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
588 |
__ASSERT_DEBUG(aRearOffset >= 0 && aFrontOffset >= 0, Panic(EGlxPanicIllegalArgument)); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
iFrontOffset = Max(aFrontOffset, KGlxBlockyIteratorDefaultGranularity ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
590 |
iRearOffset = Max(aRearOffset, KGlxBlockyIteratorDefaultGranularity ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
591 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
592 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
593 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
594 |
// Set to first item |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
595 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
596 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
void TGlxFromIndexOutwardBlockyIterator::SetToFirst(const MGlxMediaList* aList) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
599 |
TRACER("TGlxFromIndexOutwardBlockyIterator::SetToFirst"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
600 |
__ASSERT_DEBUG(aList != NULL, Panic(EGlxPanicNullPointer)); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
601 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
602 |
iList = aList; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
603 |
iCurrentItem = 0; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
604 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
605 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
606 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
607 |
// Return the item index or KErrNotFound, and goes to next |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
608 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
609 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
610 |
TInt TGlxFromIndexOutwardBlockyIterator::operator++(TInt) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
611 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
612 |
TRACER("TGlxFromIndexOutwardBlockyIterator::operator++"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
613 |
__ASSERT_DEBUG(iList != NULL, Panic(EGlxPanicNullPointer)); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
614 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
615 |
TInt count = iList->Count(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
616 |
if (count <= 0) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
617 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
618 |
return KErrNotFound; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
619 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
620 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
621 |
// Check if out of bounds |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
622 |
if (iFrontOffset + iRearOffset < iCurrentItem || count <= iCurrentItem) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
623 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
624 |
return KErrNotFound; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
625 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
626 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
627 |
// The ranges may be inequal, which means there won't be any jumping between |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
628 |
// front and rear. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
629 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
630 |
// |-------F----------------------| |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
631 |
// |< jumping zone>| |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
632 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
633 |
TInt index = iIndexFunctor.Index(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
634 |
__ASSERT_ALWAYS( index >= 0 && index < iList->Count(), Panic( EGlxPanicIllegalState ) ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
635 |
index -= index % KGlxBlockyIteratorDefaultGranularity; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
636 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
637 |
TInt min = Min(iFrontOffset, iRearOffset); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
638 |
TInt jumpingZoneLength = min * 2; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
639 |
if (iCurrentItem <= jumpingZoneLength) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
640 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
641 |
// Still within the (rear-front-rear-front) jumping zone |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
642 |
TInt distanceFromFocus = (iCurrentItem + 1) / 2; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
643 |
TBool rear = !(iCurrentItem & 1); // Rear if number is even |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
644 |
if (rear) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
645 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
646 |
index -= distanceFromFocus; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
647 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
648 |
else |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
649 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
650 |
index += distanceFromFocus; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
651 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
652 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
653 |
else |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
654 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
655 |
__ASSERT_DEBUG(iFrontOffset != iRearOffset, Panic(EGlxPanicLogicError)); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
656 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
657 |
// index is currently focus index. Figure out how much need to move. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
658 |
TInt indexesFromFocus = iCurrentItem - min; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
659 |
if (iRearOffset < iFrontOffset) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
660 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
661 |
// Front range is longer than rear, so the item is on the front side |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
662 |
index += indexesFromFocus; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
663 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
664 |
else |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
665 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
666 |
// Rear range is longer than front, so the item is on the rear side |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
667 |
index -= indexesFromFocus; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
668 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
669 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
670 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
671 |
iCurrentItem++; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
672 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
673 |
// The index may be below 0 or above count. Normalise back to list indexes. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
674 |
return GlxListUtils::NormalizedIndex(index, count); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
675 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
676 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
677 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
678 |
// Return ETrue if index is within range, EFalse otherwise |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
679 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
680 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
681 |
TBool TGlxFromIndexOutwardBlockyIterator::InRange(TInt aIndex) const |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
682 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
683 |
TRACER("TGlxFromIndexOutwardBlockyIterator::InRange"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
684 |
TInt count = iList->Count(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
685 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
686 |
// Handle the case where range is longer than count separately, because looping will |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
687 |
// confuse otherwise |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
688 |
if (count <= iRearOffset + iFrontOffset) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
689 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
690 |
// Range is longer than count, must be in range |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
691 |
return ETrue; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
692 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
693 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
694 |
TInt index = iIndexFunctor.Index(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
695 |
__ASSERT_ALWAYS( index >= 0 && index < iList->Count(), Panic( EGlxPanicIllegalState ) ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
696 |
index -= index % KGlxBlockyIteratorDefaultGranularity; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
697 |
TInt firstInRange = GlxListUtils::NormalizedIndex(index - iRearOffset, count); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
698 |
TInt lastInRange = GlxListUtils::NormalizedIndex(index + iFrontOffset, count); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
699 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
700 |
if (firstInRange <= lastInRange) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
701 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
702 |
// Normal case: | F-------L | |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
703 |
return aIndex >= firstInRange && aIndex <= lastInRange; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
704 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
705 |
else |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
706 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
707 |
// Looping case: |----L F----| |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
708 |
return aIndex <= lastInRange || aIndex >= firstInRange; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
709 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
710 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
711 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
712 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
713 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
714 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
715 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
716 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
717 |
// Constructor |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
718 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
719 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
720 |
EXPORT_C TGlxFromFocusOutwardBlockyIterator::TGlxFromFocusOutwardBlockyIterator() |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
721 |
: TGlxFromIndexOutwardBlockyIterator(*static_cast<TGlxFromIndexOutwardBlockyIterator::MGlxIndex*>(this) ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
722 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
723 |
TRACER("TGlxFromIndexOutwardBlockyIterator::TGlxFromFocusOutwardBlockyIterator"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
724 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
725 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
726 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
727 |
// Destructor |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
728 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
729 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
730 |
EXPORT_C TGlxFromFocusOutwardBlockyIterator::~TGlxFromFocusOutwardBlockyIterator() |
74c9f037fd5d
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{ |
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TRACER("TGlxFromIndexOutwardBlockyIterator::~TGlxFromFocusOutwardBlockyIterator"); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// Index |
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// ----------------------------------------------------------------------------- |
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// |
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TInt TGlxFromFocusOutwardBlockyIterator::Index() const |
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{ |
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TRACER("TGlxFromIndexOutwardBlockyIterator::Index"); |
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return iList->FocusIndex(); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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// ----------------------------------------------------------------------------- |
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|
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// ----------------------------------------------------------------------------- |
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// Constructor |
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// ----------------------------------------------------------------------------- |
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// |
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EXPORT_C TGlxFromManualIndexOutwardBlockyIterator::TGlxFromManualIndexOutwardBlockyIterator() |
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: TGlxFromIndexOutwardBlockyIterator( *static_cast<TGlxFromIndexOutwardBlockyIterator::MGlxIndex*>(this) ), iIndex( 0 ) |
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{ |
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TRACER("TGlxFromManualIndexOutwardBlockyIterator::TGlxFromManualIndexOutwardBlockyIterator"); |
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} |
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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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EXPORT_C TGlxFromManualIndexOutwardBlockyIterator::~TGlxFromManualIndexOutwardBlockyIterator() |
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{ |
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TRACER("TGlxFromManualIndexOutwardBlockyIterator::~TGlxFromManualIndexOutwardBlockyIterator"); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// SetIndex |
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// ----------------------------------------------------------------------------- |
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771 |
// |
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EXPORT_C void TGlxFromManualIndexOutwardBlockyIterator::SetIndex( TInt aIndex ) |
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{ |
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TRACER("TGlxFromManualIndexOutwardBlockyIterator::SetIndex"); |
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|
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__ASSERT_DEBUG( aIndex >= 0 && aIndex < iList->Count(), Panic( EGlxPanicIllegalArgument ) ); |
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iIndex = aIndex; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// Index |
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// ----------------------------------------------------------------------------- |
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// |
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TInt TGlxFromManualIndexOutwardBlockyIterator::Index() const |
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{ |
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TRACER("TGlxFromManualIndexOutwardBlockyIterator::Index"); |
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|
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return iIndex; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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792 |
// ----------------------------------------------------------------------------- |
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793 |
// ----------------------------------------------------------------------------- |
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|
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|
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795 |
// ----------------------------------------------------------------------------- |
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// Constructor |
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// ----------------------------------------------------------------------------- |
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798 |
// |
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EXPORT_C TGlxSelectionIterator::TGlxSelectionIterator() |
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{ |
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TRACER("TGlxSelectionIterator::TGlxSelectionIterator"); |
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|
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iCurrentItem = 0; |
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iList = NULL; |
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iRange = KMaxTInt; |
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iDisabledIfMoreThanRangeSelected = EFalse; |
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} |
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|
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809 |
// ----------------------------------------------------------------------------- |
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// Destructor |
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// ----------------------------------------------------------------------------- |
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812 |
// |
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813 |
EXPORT_C TGlxSelectionIterator::~TGlxSelectionIterator() |
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{ |
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TRACER("TGlxSelectionIterator::~TGlxSelectionIterator"); |
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816 |
} |
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|
817 |
|
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818 |
// ----------------------------------------------------------------------------- |
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|
819 |
// Set to first item |
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820 |
// ----------------------------------------------------------------------------- |
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821 |
// |
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|
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EXPORT_C void TGlxSelectionIterator::SetToFirst(const MGlxMediaList* aList) |
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|
823 |
{ |
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|
824 |
TRACER("TGlxSelectionIterator::SetToFirst"); |
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|
825 |
__ASSERT_DEBUG(aList != NULL, Panic(EGlxPanicNullPointer)); |
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|
826 |
|
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|
827 |
iList = aList; |
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|
828 |
iCurrentItem = 0; |
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|
829 |
} |
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|
830 |
|
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|
831 |
// ----------------------------------------------------------------------------- |
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Revision: 201007
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|
832 |
// Return the next item index or KErrNotFound |
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|
833 |
// ----------------------------------------------------------------------------- |
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|
834 |
// |
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Revision: 201007
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|
835 |
EXPORT_C TInt TGlxSelectionIterator::operator++(TInt) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
836 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
837 |
TRACER("TGlxSelectionIterator::operator++"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
838 |
__ASSERT_DEBUG(iList != NULL, Panic(EGlxPanicNullPointer)); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
839 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
840 |
TInt result = KErrNotFound; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
841 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
842 |
TInt selectionCount = iList->SelectionCount(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
843 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
844 |
if (!iDisabledIfMoreThanRangeSelected || (selectionCount <= iRange)) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
845 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
846 |
if (selectionCount == 0) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
847 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
848 |
// If no items are selected, treat the focused index as the selection |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
849 |
if ( iCurrentItem == 0 ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
850 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
851 |
result = iList->FocusIndex(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
852 |
iCurrentItem++; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
853 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
854 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
855 |
else |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
856 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
857 |
if ( iCurrentItem < iRange && iCurrentItem < selectionCount ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
858 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
859 |
result = iList->SelectedItemIndex(iCurrentItem); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
860 |
iCurrentItem++; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
861 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
862 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
863 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
864 |
return result; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
865 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
866 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
867 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
868 |
// TGlxSelectionIterator::InRange |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
869 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
870 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
871 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
872 |
EXPORT_C TBool TGlxSelectionIterator::InRange(TInt aIndex) const |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
873 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
874 |
TRACER("TGlxSelectionIterator::InRange"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
875 |
__ASSERT_DEBUG(aIndex >= 0 && aIndex < iList->Count(), Panic(EGlxPanicIllegalArgument)); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
876 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
877 |
TInt selectionCount = iList->SelectionCount(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
878 |
TBool inRange = EFalse; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
879 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
880 |
if (selectionCount) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
881 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
882 |
TBool legalIndex = EFalse; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
883 |
if (selectionCount > iRange) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
884 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
885 |
if (iDisabledIfMoreThanRangeSelected) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
886 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
887 |
legalIndex = EFalse; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
888 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
889 |
else |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
890 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
891 |
legalIndex = (iList->SelectedItemIndex(iRange) > aIndex); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
892 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
893 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
894 |
else |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
895 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
896 |
legalIndex = ETrue; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
897 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
898 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
899 |
if(legalIndex) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
900 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
901 |
inRange = iList->IsSelected(aIndex); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
902 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
903 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
904 |
else |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
905 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
906 |
if (!(iDisabledIfMoreThanRangeSelected && (iRange == 0))) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
907 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
908 |
inRange = (aIndex == iList->FocusIndex()); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
909 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
910 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
911 |
return inRange; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
912 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
913 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
914 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
915 |
// TGlxSelectionIterator::SetRange |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
916 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
917 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
918 |
EXPORT_C void TGlxSelectionIterator::SetRange(TInt aMaxItems) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
919 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
920 |
TRACER("TGlxSelectionIterator::SetRange"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
921 |
iRange = aMaxItems; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
922 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
923 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
924 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
925 |
// TGlxSelectionIterator::SetDisabledIfMoreThanRangeSelected |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
926 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
927 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
928 |
EXPORT_C void TGlxSelectionIterator::SetDisabledIfMoreThanRangeSelected(TBool aDisabledIfMoreThanRangeSelected) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
929 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
930 |
TRACER("TGlxSelectionIterator::SetDisabledIfMoreThanRangeSelected"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
931 |
iDisabledIfMoreThanRangeSelected = aDisabledIfMoreThanRangeSelected; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
932 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
933 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
934 |
// Constructor |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
935 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
936 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
937 |
EXPORT_C TGlxExclusionIterator::TGlxExclusionIterator( MGlxMediaListIterator& aIncludedItemsIterator, |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
938 |
MGlxMediaListIterator& aExcludedItemsIterator ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
939 |
:iIncludedItemsIterator( aIncludedItemsIterator ), |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
940 |
iExcludedItemsIterator( aExcludedItemsIterator ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
941 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
942 |
TRACER("TGlxExclusionIterator::TGlxExclusionIterator" ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
943 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
944 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
945 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
946 |
// Destructor |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
947 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
948 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
949 |
EXPORT_C TGlxExclusionIterator::~TGlxExclusionIterator() |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
950 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
951 |
TRACER("TGlxExclusionIterator::~TGlxExclusionIterator"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
952 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
953 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
954 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
955 |
// Set to first item |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
956 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
957 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
958 |
EXPORT_C void TGlxExclusionIterator::SetToFirst(const MGlxMediaList* aList) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
959 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
960 |
TRACER("TGlxExclusionIterator::SetToFirst"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
961 |
__ASSERT_DEBUG(aList != NULL, Panic(EGlxPanicNullPointer)); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
962 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
963 |
//implementation delegates to both the iterators |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
964 |
iIncludedItemsIterator.SetToFirst( aList ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
965 |
iExcludedItemsIterator.SetToFirst( aList ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
966 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
967 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
968 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
969 |
// Return the next item index or KErrNotFound |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
970 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
971 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
972 |
TInt TGlxExclusionIterator::operator++(TInt ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
973 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
974 |
TRACER("TGlxExclusionIterator::operator++"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
975 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
976 |
// This method returns the next valid item of the iterator such that |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
977 |
// (1) The index is within the range of iIncludedItemsIterator |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
978 |
// and |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
979 |
// (2) The index is not in the range of iExcludedItemsIterator. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
980 |
// If iIncludedItemsIterator reaches its end in this process then we loop to the |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
981 |
// first item and repeat the above steps. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
982 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
983 |
TInt index = KErrNotFound; // assign initial value for maintenance safety |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
984 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
985 |
do { |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
986 |
index = iIncludedItemsIterator++; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
987 |
} while ( KErrNotFound != index && iExcludedItemsIterator.InRange( index ) ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
988 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
989 |
return index; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
990 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
991 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
992 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
993 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
994 |
// Return ETrue if index is within range, EFalse otherwise |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
995 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
996 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
997 |
TBool TGlxExclusionIterator::InRange(TInt aIndex) const |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
998 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
999 |
TRACER("TGlxExclusionIterator::InRange"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1000 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1001 |
// Verify that aIndex is |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1002 |
// (1) In the range of iIncludedItemsIterator |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1003 |
// and |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1004 |
// (2) Not in the range of iExcludedItemsIterator |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1005 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1006 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1007 |
return iIncludedItemsIterator.InRange(aIndex) && |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1008 |
!iExcludedItemsIterator.InRange(aIndex); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1009 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1010 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1011 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1012 |
// Constructor |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1013 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1014 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1015 |
EXPORT_C TGlxFromManualIndexBlockyIterator::TGlxFromManualIndexBlockyIterator( ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1016 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1017 |
TRACER("TGlxFromManualIndexBlockyIterator::TGlxFromManualIndexBlockyIterator"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1018 |
iDefaultVisItems = GlxListUtils::VisibleItemsGranularityL(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1019 |
iCurrentItem = 0; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1020 |
iFrontOffset = 4 * iDefaultVisItems; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1021 |
iRearOffset = 2 * iDefaultVisItems; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1022 |
iOriginalFrontOffset = iFrontOffset; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1023 |
iOriginalRearOffset = iRearOffset; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1024 |
iList = NULL; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1025 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1026 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1027 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1028 |
// Destructor |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1029 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1030 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1031 |
EXPORT_C TGlxFromManualIndexBlockyIterator::~TGlxFromManualIndexBlockyIterator() |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1032 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1033 |
TRACER("TGlxFromManualIndexBlockyIterator::~TGlxFromManualIndexBlockyIterator"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1034 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1035 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1036 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1037 |
// ---------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1038 |
// Set range offsets |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1039 |
// ---------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1040 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1041 |
EXPORT_C void TGlxFromManualIndexBlockyIterator::SetRangeOffsets(TInt aRearOffset, |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1042 |
TInt aFrontOffset) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1043 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1044 |
TRACER("TGlxFromManualIndexBlockyIterator::SetRangeOffsets"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1045 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1046 |
__ASSERT_DEBUG(aRearOffset >= 0 && aFrontOffset >= 0, Panic(EGlxPanicIllegalArgument)); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1047 |
iFrontOffset = Max(aFrontOffset, iDefaultVisItems ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1048 |
iRearOffset = Max(aRearOffset, iDefaultVisItems ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1049 |
iOriginalFrontOffset = iFrontOffset; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1050 |
iOriginalRearOffset = iRearOffset; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1051 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1052 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1053 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1054 |
// Set to first item |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1055 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1056 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1057 |
void TGlxFromManualIndexBlockyIterator::SetToFirst(const MGlxMediaList* aList) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1058 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1059 |
TRACER("TGlxFromManualIndexBlockyIterator::SetToFirst"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1060 |
__ASSERT_DEBUG(aList != NULL, Panic(EGlxPanicNullPointer)); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1061 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1062 |
iList = aList; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1063 |
iCurrentItem = 0; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1064 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1065 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1066 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1067 |
// Return the item index or KErrNotFound, and goes to next |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1068 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1069 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1070 |
TInt TGlxFromManualIndexBlockyIterator::operator++(TInt) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1071 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1072 |
TRACER("TGlxFromManualIndexBlockyIterator::operator++"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1073 |
__ASSERT_DEBUG(iList != NULL, Panic(EGlxPanicNullPointer)); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1074 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1075 |
TInt count = iList->Count(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1076 |
if (count <= 0) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1077 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1078 |
return KErrNotFound; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1079 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1080 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1081 |
if (iOriginalFrontOffset > KMaxLowMemOffsetValue* iDefaultVisItems && |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1082 |
iOriginalRearOffset > KMaxLowMemOffsetValue * iDefaultVisItems) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1083 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1084 |
TInt freeMemory = 0; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1085 |
HAL::Get( HALData::EMemoryRAMFree, freeMemory ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1086 |
if ( freeMemory < KGlxUpperMemoryLimitForCacheSize && |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1087 |
freeMemory > KGlxLowerMemoryLimitForCacheSize ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1088 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1089 |
iFrontOffset = 2*iDefaultVisItems; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1090 |
iRearOffset = 3*iDefaultVisItems; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1091 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1092 |
else if ( freeMemory < KGlxLowerMemoryLimitForCacheSize ) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1093 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1094 |
iFrontOffset = iDefaultVisItems; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1095 |
iRearOffset = iDefaultVisItems; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1096 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1097 |
else if (iFrontOffset != iOriginalFrontOffset |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1098 |
&& iRearOffset!= iOriginalRearOffset) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1099 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1100 |
iFrontOffset = Max(iFrontOffset, iOriginalFrontOffset ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1101 |
iRearOffset = Max(iRearOffset, iOriginalRearOffset ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1102 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1103 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1104 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1105 |
// Check if out of bounds |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1106 |
if (iFrontOffset + iRearOffset < iCurrentItem || count <= iCurrentItem) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1107 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1108 |
return KErrNotFound; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1109 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1110 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1111 |
// The ranges may be inequal, which means there won't be any jumping between |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1112 |
// front and rear. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1113 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1114 |
// |-------F----------------------| |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1115 |
// |< jumping zone>| |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1116 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1117 |
TInt visIndex = iList->VisibleWindowIndex(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1118 |
TInt index = visIndex; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1119 |
TInt listCount = iList->Count(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1120 |
__ASSERT_ALWAYS( index >= 0 && index <= listCount, Panic( EGlxPanicIllegalState ) ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1121 |
//Inorder to ensure that the start of refresh of thumbnails is contained in |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1122 |
//in the current visible window. We set the startIndex to center element of |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1123 |
//the current visible window. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1124 |
TInt startIndex = index + iDefaultVisItems/2; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1125 |
if (listCount < iDefaultVisItems) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1126 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1127 |
startIndex = listCount/2; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1128 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1129 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1130 |
index = ( (startIndex) <= (listCount)) ? startIndex : listCount; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1131 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1132 |
TInt min = Min(iFrontOffset, iRearOffset); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1133 |
TInt jumpingZoneLength = min * 2; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1134 |
if (iCurrentItem <= jumpingZoneLength) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1135 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1136 |
// Still within the (rear-front-rear-front) jumping zone |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1137 |
TInt distanceFromFocus = (iCurrentItem + 1) / 2; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1138 |
TBool rear = !(iCurrentItem & 1); // Rear if number is even |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1139 |
// Check if out of bounds |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1140 |
if (rear) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1141 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1142 |
if (index - distanceFromFocus <= visIndex - iRearOffset) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1143 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1144 |
return KErrNotFound; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1145 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1146 |
index -= distanceFromFocus; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1147 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1148 |
else |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1149 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1150 |
if (index + distanceFromFocus >= visIndex + iFrontOffset) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1151 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1152 |
return KErrNotFound; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1153 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1154 |
index += distanceFromFocus; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1155 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1156 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1157 |
else |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1158 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1159 |
__ASSERT_DEBUG(iFrontOffset != iRearOffset, Panic(EGlxPanicLogicError)); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1160 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1161 |
// index is currently visible index. Figure out how much need to move. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1162 |
TInt indexesFromFocus = iCurrentItem - min; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1163 |
if (iRearOffset < iFrontOffset) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1164 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1165 |
// Front range is longer than rear, so the item is on the front side |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1166 |
index += indexesFromFocus; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1167 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1168 |
else |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1169 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1170 |
// Rear range is longer than front, so the item is on the rear side |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1171 |
index -= indexesFromFocus; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1172 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1173 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1174 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1175 |
iCurrentItem++; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1176 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1177 |
// The index may be below 0 or above count. Normalise back to list indexes. |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1178 |
return GlxListUtils::NormalizedIndex(index, count); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1179 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1180 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1181 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1182 |
// Return ETrue if index is within range, EFalse otherwise |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1183 |
// ----------------------------------------------------------------------------- |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1184 |
// |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1185 |
TBool TGlxFromManualIndexBlockyIterator::InRange(TInt aIndex) const |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1186 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1187 |
TRACER("TGlxFromManualIndexBlockyIterator::InRange"); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1188 |
TInt count = iList->Count(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1189 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1190 |
// Handle the case where range is longer than count separately, because looping will |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1191 |
// confuse otherwise |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1192 |
if (count <= iRearOffset + iFrontOffset) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1193 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1194 |
// Range is longer than count, must be in range |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1195 |
return ETrue; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1196 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1197 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1198 |
TInt index = iList->VisibleWindowIndex(); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1199 |
__ASSERT_ALWAYS( index >= 0 && index < iList->Count(), Panic( EGlxPanicIllegalState ) ); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1200 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1201 |
TInt firstInRange = GlxListUtils::NormalizedIndex(index - iRearOffset, count); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1202 |
TInt lastInRange = GlxListUtils::NormalizedIndex(index + iFrontOffset, count); |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1203 |
|
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1204 |
if (firstInRange <= lastInRange) |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1205 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1206 |
// Normal case: | F-------L | |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1207 |
return aIndex >= firstInRange && aIndex <= lastInRange; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1208 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1209 |
else |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1210 |
{ |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1211 |
// Looping case: |----L F----| |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1212 |
return aIndex <= lastInRange || aIndex >= firstInRange; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1213 |
} |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1214 |
} |
29
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1215 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1216 |
// ----------------------------------------------------------------------------- |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1217 |
// Constructor |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1218 |
// ----------------------------------------------------------------------------- |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1219 |
// |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1220 |
EXPORT_C TGlxScrollingDirectionIterator::TGlxScrollingDirectionIterator( ) |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1221 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1222 |
TRACER("TGlxScrollingDirectionIterator::TGlxScrollingDirectionIterator"); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1223 |
iMovingDirection = EForward; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1224 |
iExVisindex = 0; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1225 |
iDefaultVisItems = GlxListUtils::VisibleItemsGranularityL(); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1226 |
iCurrentItem = 0; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1227 |
iFrontOffset = 4 * iDefaultVisItems; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1228 |
iRearOffset = 2 * iDefaultVisItems; // Rear Is Not Handled Yet, We Need To ? |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1229 |
iList = NULL; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1230 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1231 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1232 |
// ----------------------------------------------------------------------------- |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1233 |
// Destructor |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1234 |
// ----------------------------------------------------------------------------- |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1235 |
// |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1236 |
EXPORT_C TGlxScrollingDirectionIterator::~TGlxScrollingDirectionIterator() |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1237 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1238 |
TRACER("TGlxScrollingDirectionIterator::~TGlxScrollingDirectionIterator"); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1239 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1240 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1241 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1242 |
// ---------------------------------------------------------------------------- |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1243 |
// Set range offsets |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1244 |
// ---------------------------------------------------------------------------- |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1245 |
// |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1246 |
EXPORT_C void TGlxScrollingDirectionIterator::SetRangeOffsets(TInt aRearOffset, |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1247 |
TInt aFrontOffset) |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1248 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1249 |
TRACER("TGlxScrollingDirectionIterator::SetRangeOffsets"); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1250 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1251 |
__ASSERT_DEBUG(aRearOffset >= 0 && aFrontOffset >= 0, Panic(EGlxPanicIllegalArgument)); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1252 |
iFrontOffset = Max(aFrontOffset, iDefaultVisItems ); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1253 |
iRearOffset = Max(aRearOffset, iDefaultVisItems ); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1254 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1255 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1256 |
// ----------------------------------------------------------------------------- |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1257 |
// Set to first item |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1258 |
// ----------------------------------------------------------------------------- |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1259 |
// |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1260 |
void TGlxScrollingDirectionIterator::SetToFirst(const MGlxMediaList* aList) |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1261 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1262 |
TRACER("TGlxScrollingDirectionIterator::SetToFirst"); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1263 |
__ASSERT_DEBUG(aList != NULL, Panic(EGlxPanicNullPointer)); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1264 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1265 |
iList = aList; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1266 |
iCurrentItem = 0; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1267 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1268 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1269 |
// ----------------------------------------------------------------------------- |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1270 |
// Return the item index or KErrNotFound, and goes to next |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1271 |
// ----------------------------------------------------------------------------- |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1272 |
// |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1273 |
TInt TGlxScrollingDirectionIterator::operator++(TInt) |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1274 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1275 |
TRACER("TGlxScrollingDirectionIterator::operator++"); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1276 |
__ASSERT_DEBUG(iList != NULL, Panic(EGlxPanicNullPointer)); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1277 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1278 |
TInt listCount = iList->Count(); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1279 |
TInt index = iList->VisibleWindowIndex(); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1280 |
__ASSERT_ALWAYS( index >= 0 && index <= listCount, Panic( EGlxPanicIllegalState ) ); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1281 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1282 |
if (listCount <= 0 || iFrontOffset + iRearOffset < iCurrentItem || listCount <= iCurrentItem) |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1283 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1284 |
return KErrNotFound; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1285 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1286 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1287 |
if(iExVisindex < index) |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1288 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1289 |
iMovingDirection = EForward; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1290 |
iExVisindex = index; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1291 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1292 |
else if(iExVisindex > index) |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1293 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1294 |
iMovingDirection = EBackward; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1295 |
iExVisindex = index; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1296 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1297 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1298 |
if(EForward == iMovingDirection) |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1299 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1300 |
if ((index + iCurrentItem < index + iFrontOffset) && (index + iCurrentItem < listCount)) |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1301 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1302 |
index += iCurrentItem; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1303 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1304 |
else |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1305 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1306 |
return KErrNotFound; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1307 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1308 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1309 |
else |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1310 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1311 |
if((index + iDefaultVisItems - iCurrentItem > index + iDefaultVisItems - iFrontOffset) && (index + iDefaultVisItems - iCurrentItem < listCount)) |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1312 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1313 |
index += iDefaultVisItems - iCurrentItem; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1314 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1315 |
else |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1316 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1317 |
return KErrNotFound; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1318 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1319 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1320 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1321 |
iCurrentItem++; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1322 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1323 |
// The index may be below 0 or above count. Normalise back to list indexes. |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1324 |
return GlxListUtils::NormalizedIndex(index, listCount); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1325 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1326 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1327 |
// ----------------------------------------------------------------------------- |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1328 |
// Return ETrue if index is within range, EFalse otherwise, |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1329 |
// ----------------------------------------------------------------------------- |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1330 |
// |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1331 |
TBool TGlxScrollingDirectionIterator::InRange(TInt aIndex) const |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1332 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1333 |
TRACER("TGlxScrollingDirectionIterator::InRange"); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1334 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1335 |
// Rear Window is Not Handled yet , Still We include Rear window in Consideration for Garbage Collection |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1336 |
// Need to Re-Visit |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1337 |
TInt count = iList->Count(); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1338 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1339 |
// Handle the case where range is longer than count separately, because looping will |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1340 |
// confuse otherwise |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1341 |
if (count <= iRearOffset + iFrontOffset) |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1342 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1343 |
// Range is longer than count, must be in range |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1344 |
return ETrue; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1345 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1346 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1347 |
TInt index = iList->VisibleWindowIndex(); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1348 |
__ASSERT_ALWAYS( index >= 0 && index < iList->Count(), Panic( EGlxPanicIllegalState ) ); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1349 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1350 |
TInt firstInRange = GlxListUtils::NormalizedIndex(index - iRearOffset, count); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1351 |
TInt lastInRange = GlxListUtils::NormalizedIndex(index + iFrontOffset, count); |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1352 |
|
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1353 |
if (firstInRange <= lastInRange) |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1354 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1355 |
// Normal case: | F-------L | |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1356 |
return aIndex >= firstInRange && aIndex <= lastInRange; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1357 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1358 |
else |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1359 |
{ |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1360 |
// Looping case: |----L F----| |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1361 |
return aIndex <= lastInRange || aIndex >= firstInRange; |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1362 |
} |
2c833fc9e98f
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
24
diff
changeset
|
1363 |
} |