--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scrsaver/scrsaverplugins/BmpAnimScrPlugin/src/CBmpAnimModel.cpp	Thu Dec 17 08:46:04 2009 +0200
@@ -0,0 +1,170 @@
+/*
+* Copyright (c) 2003 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:     Takes care of storing and serving the bitmaps
+*               to be animated along with their properties
+*
+*/
+
+
+
+
+
+#include "CBmpAnimModel.h"
+
+
+// C'tor
+CBmpAnimModel::CBmpAnimModel()
+    {
+    }
+
+    
+// D'tor
+CBmpAnimModel::~CBmpAnimModel()
+    {
+    // Delete item array
+    if (iItems)
+        {
+        iItems->ResetAndDestroy();
+        }
+    delete iItems;
+    }
+
+    
+// Two-phase constructor, initialises member arrays and stuff
+void CBmpAnimModel::ConstructL(CBmpAnimSettings* aSettings)
+    {
+    // Create item array
+    iItems = new(ELeave) CArrayPtrFlat<CBmpAnimItem>(
+        KBmpAnimItemArrayGranularity);
+
+    iSettings = aSettings;
+    }
+
+
+// Number of items query
+TInt CBmpAnimModel::NumberOfItems() const
+    {
+    return iItems ? iItems->Count() : 0;
+    }
+    
+  
+// Add an item to the end of the array
+void CBmpAnimModel::AppendItemL(CBmpAnimItem* aItem)
+    {
+    // Sanity check
+    if (!iItems)
+        {
+        ASSERT(EFalse);
+        return;
+        }
+
+    // Stash it in
+    iItems->AppendL(aItem);
+    }
+
+    
+// Insert an item at <aIndex>. Space must be reserved.
+void CBmpAnimModel::InsertItemL(TInt aIndex, CBmpAnimItem* aItem)
+    {
+    if ((iItems) && (aIndex >= 0) && (aIndex <= NumberOfItems()))
+        {
+        // Squeeze it in
+        iItems->InsertL(aIndex, aItem);
+        }
+    else
+        {
+        ASSERT(EFalse);
+        }
+    }
+    
+
+// Delete item at <aIndex>
+void CBmpAnimModel::DeleteItemL(TInt aIndex)
+    {
+    if ((iItems) && (aIndex >= 0) && (aIndex <= NumberOfItems()))
+        {
+        // Grab hold of the item for deletion, remove from array
+        // and compress the array
+        CBmpAnimItem* ptr = iItems->At(aIndex);
+        iItems->Delete(aIndex);
+        delete ptr;
+        iItems->Compress();
+        }
+    else
+        {
+        ASSERT(EFalse);
+        }
+    }
+
+
+// Delete all Items
+void CBmpAnimModel::DeleteAll()
+    {
+    if (iItems)
+        {
+        iItems->ResetAndDestroy();
+        }
+    }
+
+    
+// Get item at position <aIndex>
+CBmpAnimItem* CBmpAnimModel::ItemAt(TInt aIndex) const
+    {
+    if ((iItems) && (aIndex >= 0) && (aIndex < NumberOfItems()))
+        {
+        return iItems->At(aIndex);
+        }
+    else
+        {
+        return NULL;
+        }
+    }
+
+
+// Get next item in animation sequence. Returns NULL at the end of the
+// sequence (or if there are no items at all), and wraps around to the
+// beginning, so that next call again returns an item.
+CBmpAnimItem* CBmpAnimModel::NextItem(TBool& aWrapped)
+    {
+    CBmpAnimItem* pItem = ItemAt(iCurrentItem++);
+
+    if (pItem)
+        {
+        aWrapped = EFalse;
+        }
+    else
+        {
+        // Apparently there are no more items - wrap around and set indicator
+        iCurrentItem = 0;
+        aWrapped = ETrue;
+
+        pItem = ItemAt(iCurrentItem++);
+        }
+
+    return pItem;
+    }
+
+    
+// Reserve space for <aCount> Items
+void CBmpAnimModel::SetReserveL(TInt aCount)
+    {
+    if ((iItems) && (aCount >= NumberOfItems()))
+        {
+        iItems->SetReserveL(aCount);
+        }
+    }
+
+    
+// --- private functions ---
+//  End of File