skins/AknSkins/src/AknsContainerDataContext.cpp
changeset 0 05e9090e2422
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/skins/AknSkins/src/AknsContainerDataContext.cpp	Thu Dec 17 09:14:12 2009 +0200
@@ -0,0 +1,102 @@
+/*
+* Copyright (c) 2002-2008 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:  Data context suitable for containers.
+*
+*/
+
+
+// INCLUDE FILES
+#include <e32base.h>
+
+#include "AknsContainerDataContext.h"
+#include <AknsUtils.h>
+#include <AknsSkinInstance.h>
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CAknsContainerDataContext::CAknsContainerDataContext
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CAknsContainerDataContext::CAknsContainerDataContext()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CAknsContainerDataContext::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CAknsContainerDataContext* CAknsContainerDataContext::NewL()
+    {
+    CAknsContainerDataContext* self = new (ELeave) CAknsContainerDataContext;
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CAknsContainerDataContext::~CAknsContainerDataContext()
+    {
+    MAknsSkinInstance* skin = AknsUtils::SkinInstance();
+    if( !skin )
+        {
+        return;
+        }
+
+    TInt n;
+
+    while( (n=iIDArray.Count()) > 0 )
+        {
+        skin->RootDataContext()->ReleaseItem( iIDArray[n-1] );
+        iIDArray.Remove( n-1 );
+        }
+
+    iIDArray.Close();
+    }
+
+// -----------------------------------------------------------------------------
+// CAknsContainerDataContext::ReserveItemL()
+// (documented in the header).
+// -----------------------------------------------------------------------------
+//
+void CAknsContainerDataContext::ReserveItemL( const TAknsItemID& aID )
+    {
+    MAknsSkinInstance* skin = AknsUtils::SkinInstance();
+    if( !skin )
+        {
+        return;
+        }
+
+    if( iIDArray.FindInOrder( aID, TAknsItemID::LinearOrder ) == KErrNotFound )
+        {
+        skin->RootDataContext()->ReserveItemL( aID );
+        User::LeaveIfError(
+            iIDArray.InsertInOrder( aID, TAknsItemID::LinearOrder ) );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CAknsContainerDataContext::ReleaseItem()
+// (documented in the header).
+// -----------------------------------------------------------------------------
+//
+void CAknsContainerDataContext::ReleaseItem( const TAknsItemID& /*aID*/ )
+    {
+    }
+
+//  End of File