--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/server/src/tsrunningappsession.cpp	Mon Sep 13 13:26:33 2010 +0300
@@ -0,0 +1,159 @@
+/*
+* 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 "tsrunningappsession.h"
+#include "tstaskmonitorglobals.h"
+
+#include "tsdataobservertask.h"
+#include "tsdataprovidertask.h"
+#include "tsdatatask.h"
+
+_LIT(KErrObserverExists, "Observer already exists");
+// -----------------------------------------------------------------------------
+/**
+ * Constructor for performing 1st stage construction
+ */
+CTsRunningAppSession::CTsRunningAppSession( 
+                                    const MTsDataProvider& aDataProvider )
+:
+    iDataProvider(aDataProvider)
+    {
+    // No implementation required
+    }
+
+// -----------------------------------------------------------------------------
+/**
+ * Destructor.
+ */
+CTsRunningAppSession::~CTsRunningAppSession()
+    {
+    iDataStorages.Close();
+    iObservers.ResetAndDestroy();
+    }
+
+// -----------------------------------------------------------------------------
+/**
+ * Two-phased constructor.
+ * @param aObserverStorage - observers storage
+ * @param aDataProvider - serialized data provider
+ * @param aDataStorages - data storages
+ */
+CTsRunningAppSession* CTsRunningAppSession::NewL(
+                                  const MTsDataProvider& aDataProvider,
+                                  const TArray<MTsDataStorage*> &aDataStorages )
+    {
+    CTsRunningAppSession* self = 
+        new (ELeave) CTsRunningAppSession( aDataProvider );
+    CleanupStack::PushL( self );
+    self->ConstructL( aDataStorages );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+/**
+* EPOC default constructor for performing 2nd stage construction
+*/
+void CTsRunningAppSession::ConstructL(
+                                 const TArray<MTsDataStorage*> &aDataStorages )
+    {
+    for( TInt iter(0); iter < aDataStorages.Count(); ++iter )
+        {
+        iDataStorages.AppendL( aDataStorages[iter] );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+/**
+ * Implements interface
+ * @see void CSession2::ServiceL(const RMessage2&)
+ */
+void CTsRunningAppSession::ServiceL(const RMessage2& aMessage)
+    {
+    switch ( aMessage.Function() )
+        {
+        case SubscribeRunningAppChanges:
+            CTsDataObserverTask::ExecuteLD( *this, aMessage );
+            break;
+        
+        case CancelSubscribeRunningAppChanges:
+            iObservers.ResetAndDestroy();
+            aMessage.Complete(KErrNone);
+            break;
+        
+        case GetRunningAppInfo:
+        case FlushData:
+            TsDataProviderTask::ExecuteL( iDataProvider, aMessage );
+            break;
+        
+        case RegisterScreenshotMessage:
+        case UnregisterScreenshotMessage:
+        case VisibilityChange:
+        case OpenTaskMessage:
+        case CloseTaskMessage:
+            TsDataTask::ExecuteL( iDataStorages.Array(), aMessage );
+            break;
+        
+        default:
+            aMessage.Complete(CServer2::EBadMessageNumber);
+        }
+    }
+
+// -----------------------------------------------------------------------------
+/**
+ * Implements interface
+ * @see void MTsDataObserver::DataChanged()
+ */
+void CTsRunningAppSession::DataChanged()
+    {
+    TInt iter(iObservers.Count()-1);
+    iMissedDataUpdate = ( iter < 0 );
+    for( ; iter >= 0; --iter )
+        {
+        iObservers[iter]->DataChanged();
+        }
+    }
+
+// -----------------------------------------------------------------------------
+/**
+ * Implements interface
+ * @see void MTsDataObserverStorage::PushL(CTsDataObserver*)
+ */
+void CTsRunningAppSession::PushL(CTsDataObserver* aObserver)
+    {
+    ( 0 <= iObservers.Find( aObserver ) ) ?
+            User::Panic( KErrObserverExists, KErrAlreadyExists ) :
+            iObservers.AppendL( aObserver );
+    if( iMissedDataUpdate )
+        {
+        aObserver->DataChanged();
+        iMissedDataUpdate = EFalse;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+/**
+ * Implements interface
+ * @see void MTsDataObserverStorage::Pop(CTsDataObserver*)
+ */
+void CTsRunningAppSession::Pop(CTsDataObserver* aObserver)
+    {
+    const TInt offset( iObservers.Find( aObserver ) );
+    if( 0 <= offset )
+        {
+        iObservers.Remove(offset);
+        }
+    }