--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpxplugins/viewplugins/views/commoncontainer/src/mpxcommoncontainerfilteredlist.cpp	Thu Dec 17 08:45:05 2009 +0200
@@ -0,0 +1,261 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Class for providing list filtering.
+*
+*/
+
+
+#include <mpxmedia.h>
+#include <mpxmediaarray.h>
+#include <mpxmediageneraldefs.h>
+#include "mpxcommoncontainerfilteredlist.h"
+
+// CONSTANTS
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+CMPXCommonContainerFilteredList* CMPXCommonContainerFilteredList::NewL()
+    {
+    CMPXCommonContainerFilteredList* self =
+        CMPXCommonContainerFilteredList::NewLC();
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+CMPXCommonContainerFilteredList* CMPXCommonContainerFilteredList::NewLC()
+    {
+    CMPXCommonContainerFilteredList* self =
+        new (ELeave) CMPXCommonContainerFilteredList();
+    CleanupStack::PushL( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+CMPXCommonContainerFilteredList::CMPXCommonContainerFilteredList()
+ :  iFiltering( EFalse )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+CMPXCommonContainerFilteredList::~CMPXCommonContainerFilteredList()
+    {
+    iFilteredMediaList.Reset();
+    delete iFilteringWord;
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMPXCommonContainerFilteredList::ReplaceMediaListL( const CMPXMediaArray& aMediaList )
+    {
+    iMediaList = const_cast<CMPXMediaArray*>(&aMediaList);
+
+    if ( iFiltering )
+        {
+        HBufC* tempWord = iFilteringWord;
+        CleanupStack::PushL( tempWord );
+        iFilteringWord = NULL;
+
+        ReAdjustFilteringL( *tempWord );
+
+        CleanupStack::PopAndDestroy( tempWord );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMPXCommonContainerFilteredList::SetFilteringWordL( const TDesC& aWord )
+    {
+    if ( aWord.Length() > 0 )
+        {
+        if ( HasMediaList() )
+            {
+            ReAdjustFilteringL( aWord );
+            iFiltering = ETrue;
+            }
+        }
+    else
+        {
+        iFilteredMediaList.Reset();
+        delete iFilteringWord;
+        iFilteringWord = NULL;
+        iFiltering = EFalse;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+TBool CMPXCommonContainerFilteredList::IsFiltering()
+    {
+    return iFiltering;
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+TBool CMPXCommonContainerFilteredList::HasMediaList()
+    {
+    return iMediaList != NULL;
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+TInt CMPXCommonContainerFilteredList::FilteredCount()
+    {
+    if ( HasMediaList() )
+        {
+        if ( iFiltering )
+            {
+            return iFilteredMediaList.Count();
+            }
+        else
+            {
+            return iMediaList->Count();
+            }
+        }
+
+    return 0;
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+TBool CMPXCommonContainerFilteredList::IsFilteredIndexValid( TInt aFilteredIndex )
+    {
+    if ( HasMediaList() && aFilteredIndex >= 0 )
+        {
+        if ( iFiltering )
+            {
+            if ( aFilteredIndex < iFilteredMediaList.Count() )
+                {
+                return ETrue;
+                }
+            }
+        else
+            {
+            if ( aFilteredIndex < iMediaList->Count() )
+                {
+                return ETrue;
+                }
+            }
+        }
+
+    return EFalse;
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+TInt CMPXCommonContainerFilteredList::FilteredIndexToRealIndex( TInt aFilteredIndex )
+    {
+    TInt realIndex( KErrNotFound );
+
+    if ( HasMediaList() )
+        {
+        if ( iFiltering )
+            {
+            if ( aFilteredIndex < iFilteredMediaList.Count() )
+                {
+                realIndex = iFilteredMediaList[aFilteredIndex];
+                }
+            }
+        else
+            {
+            if ( aFilteredIndex < iMediaList->Count() )
+                {
+                realIndex = aFilteredIndex;
+                }
+            }
+        }
+
+    return realIndex;
+    }
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CMPXCommonContainerFilteredList::ReAdjustFilteringL( const TDesC& aWord )
+    {
+    CMPXMedia* media = NULL;
+
+    // If user added more letters to filtering, update from existing set.
+    if ( iFilteringWord &&
+         iFilteringWord->Length() < aWord.Length() )
+        {
+        TInt ri( KErrNotFound );
+
+        for ( TInt fi = 0; fi < iFilteredMediaList.Count(); fi++ )
+            {
+            ri = iFilteredMediaList[fi];
+            if ( ri < iMediaList->Count() )
+                {
+                media = (*iMediaList)[ri];
+
+                if ( media->IsSupported( KMPXMediaGeneralTitle ) )
+                    {
+                    if ( media->ValueText( KMPXMediaGeneralTitle ).FindF( aWord ) == KErrNotFound )
+                        {
+                        iFilteredMediaList.Remove( fi );
+                        fi--;
+                        }
+                    }
+                }
+            }
+        }
+    // If there is no filtering, or user removed letters, create a new filtering set.
+    else
+        {
+        iFilteredMediaList.Reset();
+
+        for ( TInt ri = 0; ri < iMediaList->Count(); ri++ )
+            {
+            media = (*iMediaList)[ri];
+
+            if ( media->IsSupported( KMPXMediaGeneralTitle ) )
+                {
+                if ( media->ValueText( KMPXMediaGeneralTitle ).FindF( aWord ) != KErrNotFound )
+                    {
+                    iFilteredMediaList.AppendL( ri );
+                    }
+                }
+            }
+        }
+
+    delete iFilteringWord;
+    iFilteringWord = NULL;
+    iFilteringWord = aWord.AllocL();
+    }