--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/server/src/tsserializeddataprovider.cpp	Thu Sep 16 12:11:40 2010 +0100
@@ -0,0 +1,127 @@
+/*
+* Copyright (c) 2009 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:
+*
+*/
+#include <s32mem.h>
+#include "tsserializeddataprovider.h"
+#include "tsmodel.h"
+// -----------------------------------------------------------------------------
+/**
+ * Leaving constructor. 
+ * @param observer - data observer
+ */
+CTsSerializedDataProvider* CTsSerializedDataProvider::NewL(MTsDataObserver &observer)
+{
+    return new (ELeave) CTsSerializedDataProvider(observer);
+    
+}
+
+// -----------------------------------------------------------------------------
+/**
+ * Constructor
+ * @param observer - data observer
+ */
+CTsSerializedDataProvider::CTsSerializedDataProvider(MTsDataObserver& observer)
+:
+    mObserver(observer)
+{}
+
+// -----------------------------------------------------------------------------
+/**
+ * Destructor
+ */
+CTsSerializedDataProvider::~CTsSerializedDataProvider()
+{
+    mData.Close();
+}
+
+// -----------------------------------------------------------------------------
+/**
+ * Interface implementation.
+ * @see MTsDataProvider::Data()
+ */
+const TDesC8& CTsSerializedDataProvider::Data() const
+{
+    return mData;
+}
+
+// -----------------------------------------------------------------------------
+/**
+ * Interface implementation.
+ * @see MTsModelObserver::dataChanged(MTsModel &)
+ */
+void CTsSerializedDataProvider::dataChanged(MTsModel &model)
+{
+    serializeModel(model);
+}
+
+// -----------------------------------------------------------------------------
+/**
+ * Interface implementation.
+ * @see MTsModelObserver::dataChanged(TTsModelItem &)
+ */
+void CTsSerializedDataProvider::dataChanged(const TTsModelItem &/*item*/)
+{
+    //No implementation required now. 
+}
+
+// -----------------------------------------------------------------------------
+/**
+ * Serialize source model into internal data storage
+ * @param src - model
+ */
+void CTsSerializedDataProvider::serializeModel(const MTsModel &src)
+{
+    TRAPD(errNo, serializeModelL(src));
+    if(KErrNone == errNo ) {
+        mObserver.DataChanged();
+    }
+}
+
+// -----------------------------------------------------------------------------
+/**
+ * Serialize source model into internal data storage. Function can leave.
+ * @param src - source model
+ */
+void CTsSerializedDataProvider::serializeModelL(const MTsModel &src)
+{
+    const TInt KExpandSize = 256;
+    CBufFlat* buf = CBufFlat::NewL(KExpandSize);
+    CleanupStack::PushL(buf);
+    RBufWriteStream stream(*buf); 
+    CleanupClosePushL(stream);
+    
+    serializeModelL(stream, src);
+    
+    CleanupStack::PopAndDestroy(&stream);
+    mData.Close();
+    mData.CreateL(buf->Size());
+    buf->Read(0, mData, buf->Size());
+    CleanupStack::PopAndDestroy(buf);
+}
+
+// -----------------------------------------------------------------------------
+/**
+ * Serialize source model into destination stream. Function can leave.
+ * @param dst - destination stream
+ * @param src - source model
+ */
+void CTsSerializedDataProvider::serializeModelL(RWriteStream& dst, const MTsModel &src)
+{
+    dst.WriteInt32L(src.count());
+    for (TInt iter(0); iter < src.count(); ++iter) {
+        dst << src.itemL(iter);
+    }
+}