diff -r 000000000000 -r 7f85d04be362 upnpavcontroller/upnpavcontrollerhelper/src/upnpabstractbrowsingsessionobserver.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnpavcontroller/upnpavcontrollerhelper/src/upnpabstractbrowsingsessionobserver.cpp	Thu Dec 17 08:52:00 2009 +0200
@@ -0,0 +1,228 @@
+/*
+* Copyright (c) 2007 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:      An abstract browsing session observer implementation
+*
+*/
+
+
+
+
+
+
+// INCLUDE FILES
+#include "upnpavbrowsingsession.h"
+#include "upnpavbrowsingsessionobserver.h"
+
+#include "upnpabstractbrowsingsessionobserver.h"
+
+_LIT( KComponentLogfile, "upnpavcontrollerhelper.txt");
+#include "upnplog.h"
+
+
+// CONSTANTS
+
+
+// METHODS
+
+
+// --------------------------------------------------------------------------
+// CUPnPAbstractBrowsingSessionObserver::CUPnPAbstractBrowsingSessionObserver
+//---------------------------------------------------------------------------
+EXPORT_C CUPnPAbstractBrowsingSessionObserver::
+    CUPnPAbstractBrowsingSessionObserver()
+    {
+    }
+
+
+// --------------------------------------------------------------------------
+// CUPnPAbstractBrowsingSessionObserver::~CUPnPAbstractBrowsingSessionObserver
+//---------------------------------------------------------------------------
+EXPORT_C CUPnPAbstractBrowsingSessionObserver::
+    ~CUPnPAbstractBrowsingSessionObserver()
+    {
+    DisableSessionObserver();
+    }
+
+
+// --------------------------------------------------------------------------
+// CUPnPAbstractBrowsingSessionObserver::SetSession
+//---------------------------------------------------------------------------
+EXPORT_C void CUPnPAbstractBrowsingSessionObserver::SetSession(
+    MUPnPAVBrowsingSession& aHostSession )
+    {
+    // observer bust be disabled when calling this!
+    __ASSERTD( !iObserverEnabled, __FILE__, __LINE__ );
+    iObservedSession = &aHostSession;
+    }
+
+
+
+// --------------------------------------------------------------------------
+// CUPnPAbstractBrowsingSessionObserver::EnableSessionObserver
+//---------------------------------------------------------------------------
+EXPORT_C void CUPnPAbstractBrowsingSessionObserver::EnableSessionObserver()
+    {
+    __LOG( "AbstractObserver:EnableSessionObserver()" );
+    if ( !iObserverEnabled )
+        {
+        // take original observer as proxy
+        iProxyObserver = iObservedSession->Observer();
+        iObservedSession->RemoveObserver();
+        iObservedSession->SetObserver( *this );
+        iObserverEnabled = ETrue;
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPAbstractBrowsingSessionObserver::DisableSessionObserver
+//---------------------------------------------------------------------------
+EXPORT_C void CUPnPAbstractBrowsingSessionObserver::DisableSessionObserver()
+    {
+    if ( iObserverEnabled )
+        {
+        __LOG( "AbstractObserver:DisableSessionObserver()" );
+        __ASSERTD( iObservedSession != 0, __FILE__, __LINE__ );
+        // check we still are still the observer !!!
+        if ( iObservedSession->Observer() == this )
+            {
+            iObservedSession->RemoveObserver();
+            if ( iProxyObserver )
+                {
+                // set proxy observer back
+                iObservedSession->SetObserver( *iProxyObserver );
+                iProxyObserver = 0;
+                }
+            }
+        else
+            {
+            __LOG( "Disable: Not disabling - wrong observer!" );
+            }
+        iObserverEnabled = EFalse;
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPAbstractBrowsingSessionObserver::IsSessionObserverEnabled
+//---------------------------------------------------------------------------
+EXPORT_C TBool CUPnPAbstractBrowsingSessionObserver::IsSessionObserverEnabled()
+    {
+    return iObserverEnabled;
+    }
+
+
+// --------------------------------------------------------------------------
+// CUPnPAbstractBrowsingSessionObserver::BrowseResponse
+//---------------------------------------------------------------------------
+void CUPnPAbstractBrowsingSessionObserver::BrowseResponse(
+    const TDesC8& aBrowseResponse,
+    TInt aError,
+    TInt aMatches,
+    TInt aTotalCount,
+    const TDesC8& aUpdateId )
+    {
+    __ASSERTD( iObserverEnabled, __FILE__, __LINE__ );
+    if ( iProxyObserver )
+        {
+        iProxyObserver->BrowseResponse( aBrowseResponse, aError,
+            aMatches, aTotalCount, aUpdateId );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPAbstractBrowsingSessionObserver::SearchResponse
+//---------------------------------------------------------------------------
+void CUPnPAbstractBrowsingSessionObserver::SearchResponse( 
+    const TDesC8& aSearchResponse,
+    TInt aError,
+    TInt aMatches,
+    TInt aTotalCount,
+    const TDesC8& aUpdateId )
+    {
+    __ASSERTD( iObserverEnabled, __FILE__, __LINE__ );
+    if ( iProxyObserver )
+        {
+        iProxyObserver->SearchResponse( aSearchResponse, aError,
+            aMatches, aTotalCount, aUpdateId );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPAbstractBrowsingSessionObserver::SearchCapabilitiesResponse
+//---------------------------------------------------------------------------
+void CUPnPAbstractBrowsingSessionObserver::SearchCapabilitiesResponse( 
+    TInt aError,
+    const TDesC8& aSearchCapabilities )
+    {
+    __ASSERTD( iObserverEnabled, __FILE__, __LINE__ );
+    if ( iProxyObserver )
+        {
+        iProxyObserver->SearchCapabilitiesResponse(
+            aError, aSearchCapabilities );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPAbstractBrowsingSessionObserver::CreateContainerResponse
+//---------------------------------------------------------------------------
+void CUPnPAbstractBrowsingSessionObserver::CreateContainerResponse(
+    TInt aError, 
+    const TDesC8& aObjectId )
+    {
+    __ASSERTD( iObserverEnabled, __FILE__, __LINE__ );
+    if ( iProxyObserver )
+        {
+        iProxyObserver->CreateContainerResponse( aError, aObjectId );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPAbstractBrowsingSessionObserver::DeleteObjectResponse
+//---------------------------------------------------------------------------
+void CUPnPAbstractBrowsingSessionObserver::DeleteObjectResponse(
+    TInt aError )
+    {
+    __ASSERTD( iObserverEnabled, __FILE__, __LINE__ );
+    if ( iProxyObserver )
+        {
+        iProxyObserver->DeleteObjectResponse( aError );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPAbstractBrowsingSessionObserver::ReserveLocalMSServicesCompleted
+//---------------------------------------------------------------------------
+void CUPnPAbstractBrowsingSessionObserver::
+    ReserveLocalMSServicesCompleted( TInt aError )
+    {
+    __ASSERTD( iObserverEnabled, __FILE__, __LINE__ );
+    if ( iProxyObserver )
+        {
+        iProxyObserver->ReserveLocalMSServicesCompleted( aError );
+        }
+    }
+
+// --------------------------------------------------------------------------
+// CUPnPAbstractBrowsingSessionObserver::MediaServerDisappeared
+//---------------------------------------------------------------------------
+void CUPnPAbstractBrowsingSessionObserver::MediaServerDisappeared(
+    TUPnPDeviceDisconnectedReason aReason )
+    {
+    __ASSERTD( iObserverEnabled, __FILE__, __LINE__ );
+    if ( iProxyObserver )
+        {
+        iProxyObserver->MediaServerDisappeared( aReason );
+        }
+    }
+
+