diff -r 3ab5c078b490 -r 0b3699f6c654 taskswitcher/server/src/tsservice.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/server/src/tsservice.cpp	Fri Sep 17 08:32:18 2010 +0300
@@ -0,0 +1,195 @@
+/*
+* 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 <QObject>
+#include <QDateTime>
+#include <QVariantHash>
+
+#include <xqconversions.h>
+
+#include "tsservice.h"
+#include "tsmodelobserver.h"
+#include "tsserviceobserver.h"
+
+// -----------------------------------------------------------------------------
+LOCAL_C QVariantHash valueL( QObject *aModel, TInt aOffset )
+    {
+    QList<QVariantHash> items;
+    QMetaObject::invokeMethod( aModel, 
+                               "taskList", 
+                               Q_RETURN_ARG(QList<QVariantHash>, 
+                               items ) );
+    if( aOffset >= items.count() ) 
+        {
+        User::Leave(KErrCorrupt);
+        }
+    return items.at(aOffset);
+    }
+
+// -----------------------------------------------------------------------------
+CTsService* CTsService::NewLC(QObject* model)
+    {
+    CTsService *self = new (ELeave)CTsService();
+    CleanupStack::PushL(self);
+    self->ConstructL(model);
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+CTsService::CTsService()
+    {
+    //No implementation required
+    }
+
+// -----------------------------------------------------------------------------
+void CTsService::ConstructL( QObject* model )
+    {
+    iModel = model;
+    User::LeaveIfNull(iModel);
+    // @todo: add checking for all necessary methods
+    
+    iServiceObserver = new TsServiceObserver(*this);
+    User::LeaveIfNull(iServiceObserver);
+    QObject::connect(iModel, 
+                     SIGNAL(dataChanged()),
+                     iServiceObserver,
+                     SLOT(dataChanged()));
+    }
+
+// -----------------------------------------------------------------------------
+CTsService::~CTsService()
+    {
+    delete iModel;
+    delete iServiceObserver;
+    delete iBuffer;
+    }
+
+// -----------------------------------------------------------------------------
+void CTsService::DataChanged()
+    {
+    if(0 != iModelObserver) 
+        {
+        iModelObserver->DataChanged(*this);
+        }
+    }
+// -----------------------------------------------------------------------------
+TInt CTsService::Count() const
+    {
+    QList<QVariantHash> items;
+    QMetaObject::invokeMethod(iModel, 
+                              "taskList", 
+                              Q_RETURN_ARG(QList<QVariantHash>, items));
+    return items.count();
+    }
+
+// -----------------------------------------------------------------------------
+void CTsService::SetObserver( MTsModelObserver *aObserver )
+    {
+    iModelObserver = aObserver;
+    }
+
+// -----------------------------------------------------------------------------
+const TDesC& CTsService::DisplayNameL( TInt aOffset ) const
+    {
+    return StringValueL( aOffset, "TaskName" );
+    }
+
+// -----------------------------------------------------------------------------
+TInt CTsService::IconHandleL( TInt aOffset ) const
+    {
+    return IntValueL( aOffset, "TaskScreenshot" );
+    }
+
+// -----------------------------------------------------------------------------
+TTime CTsService::TimestampL( TInt aOffset ) const
+    {
+    return TimeValueL( aOffset, "TaskTimestamp" );
+    }
+
+// -----------------------------------------------------------------------------
+TTime CTsService::TimestampUpdateL(TInt offset) const
+{
+    return TimeValueL(offset, "TaskUpdateTimestamp");
+}
+
+TTsModelItemKey CTsService::KeyL( TInt aOffset ) const
+    {
+    return TTsModelItemKey( IntValueL( aOffset, "TaskId" ), 
+                            reinterpret_cast<TInt>( this ) );
+    }
+
+// -----------------------------------------------------------------------------
+TBool CTsService::IsActiveL( TInt aOffset ) const
+    {
+    return IntValueL( aOffset, "TaskIsRunning" );
+    }
+
+// -----------------------------------------------------------------------------
+TBool CTsService::IsClosableL( TInt aOffset ) const
+    {
+    return IntValueL( aOffset, "TaskCanBeClosed" );
+    }
+
+// -----------------------------------------------------------------------------
+TBool CTsService::CloseL( TTsModelItemKey aKey ) const
+    {
+    bool result(false);
+    QMetaObject::invokeMethod( iModel, 
+                               "closeTask", 
+                               Q_RETURN_ARG(bool, result), 
+                               Q_ARG(QVariant, aKey.Key() ) );
+    return result;
+    }
+
+// -----------------------------------------------------------------------------
+TBool CTsService::LaunchL( TTsModelItemKey aKey ) const
+    {
+    bool result(false);
+    QMetaObject::invokeMethod( iModel, 
+                               "openTask", 
+                               Q_RETURN_ARG(bool, result), 
+                               Q_ARG(QVariant, aKey.Key() ) );
+    return result;
+    }
+
+// -----------------------------------------------------------------------------
+TInt CTsService::IntValueL( TInt aOffset, const char* aKey) const
+    {
+    return valueL(iModel, aOffset).value( aKey ).toInt();
+    }
+
+// -----------------------------------------------------------------------------
+TTime CTsService::TimeValueL(TInt aOffset, const char* aKey) const
+    {
+    // Conversion between TTime which counts from year 0, and QDateTime which uses unix epoch (1st Jan 1970)
+    QDateTime timestamp = valueL( iModel, aOffset ).value( aKey ).toDateTime();
+    
+    return TTime( _L( "19700000:" ) ) + TTimeIntervalSeconds( timestamp.toTime_t() ) +
+                         TTimeIntervalMicroSeconds( timestamp.time().msec() * 1000 );
+    }
+
+// -----------------------------------------------------------------------------
+const TDesC& CTsService::StringValueL( TInt aOffset, const char* aKey ) const
+    {
+    delete iBuffer;
+    const_cast<CTsService *>(this)->iBuffer = 0;
+    
+    const QVariantHash item(valueL(iModel, aOffset));
+    QT_TRYCATCH_LEAVING(
+    const_cast<CTsService *>(this)->iBuffer = 
+    XQConversions::qStringToS60Desc(item.value(aKey).toString()));
+    return *iBuffer;
+    }