diff -r 000000000000 -r ed9695c8bcbe vtengines/videoteleng/Src/State/CVtEngStateManager.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtengines/videoteleng/Src/State/CVtEngStateManager.cpp	Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,182 @@
+/*
+* Copyright (c) 2006 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:  Implementation of state manager for session and audio routing states.
+*
+*/
+
+
+
+// INCLUDE FILES
+#include    "CVtEngStateManager.h"
+#include    "CVtEngHandlerContainer.h"
+#include    "CVtEngStateBase.h"
+#include    "CVtEngStateIdle.h"
+#include    "CVtEngStateOpen.h"
+#include    "CVtEngEventManager.h"
+#include    "CVtEngStateConnected.h"
+#include    "CVtEngOperation.h"
+#include    "cvtlogger.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CVtEngStateManager::CVtEngStateManager
+// C++ constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CVtEngStateManager::CVtEngStateManager( 
+    CVtEngHandlerContainer& aHandlers,
+    CVtEngEventManager& aEventManager ) : 
+    iPreviousSessionState( MVtEngSessionInfo::EUnknown ),
+    iHandlers( aHandlers ), 
+    iEventManager( aEventManager )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngStateManager::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CVtEngStateManager::ConstructL()
+    {
+    iSessionState = new ( ELeave ) 
+        CVtEngStateIdle( *this, iEventManager );
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngStateManager::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CVtEngStateManager* CVtEngStateManager::NewL(
+    CVtEngHandlerContainer& aHandlers,
+    CVtEngEventManager& aEventManager )
+    {
+    __VTPRINT( DEBUG_GEN , "CVtEngStateManager::NewL" )
+    CVtEngStateManager* self = new ( ELeave ) 
+        CVtEngStateManager( aHandlers, aEventManager );
+    
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop();
+
+    return self;
+    }
+
+    
+// Destructor
+CVtEngStateManager::~CVtEngStateManager()
+    {
+    __VTPRINT( DEBUG_GEN , "CVtEngStateManager::~" )
+    delete iSessionState;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngStateManager::UpdateL
+// Updates current state.
+// 
+// -----------------------------------------------------------------------------
+//
+void CVtEngStateManager::Update( )
+    {
+    if ( iSessionState )
+        {
+        TRAPD(err,iSessionState->UpdateL());
+        if ( err != KErrNone )
+            {
+            __VTPRINT2( DEBUG_GEN, "SM.update fail=%d", err )
+            iEventManager.NotifyEvent( err );
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngStateManager::IsCommandPossible
+// Checks if a command is possible in current state.
+// 
+// -----------------------------------------------------------------------------
+//
+TBool CVtEngStateManager::IsCommandPossible( 
+            const TVtEngCommandId aCommandId ) const
+    {
+    if ( iSessionState )
+        {
+        return iSessionState->ValidateCommand( aCommandId );
+        }
+    return EFalse;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngStateManager::SetState
+// Sets new session state.
+// 
+// -----------------------------------------------------------------------------
+//
+void CVtEngStateManager::SetState( CVtEngStateBase& aNewState )
+    {
+    if( iSessionState )
+        {
+        iPreviousSessionState = iSessionState->State();
+        }
+    iSessionState = &aNewState;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngStateManager::HandleOperationL
+// 
+// 
+// -----------------------------------------------------------------------------
+//
+TBool CVtEngStateManager::HandleOperationL( CVtEngOperation& aOp )
+    {
+    __VTPRINT2( DEBUG_GEN, "StateMgr.HandleOp=%d", aOp.Command() )
+    TInt handled( EFalse );
+    if ( iSessionState )
+        {
+        handled = iSessionState->HandleL( aOp );
+        }
+    __VTPRINT2( DEBUG_GEN | DEBUG_RETURN, "StateMgr.HandleOp handled=%d", 
+        handled )
+    return handled;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngStateManager::SessionState
+// Returns session state.
+// 
+// -----------------------------------------------------------------------------
+//
+MVtEngSessionInfo::TSessionState CVtEngStateManager::SessionState() const
+    {
+    if ( iSessionState )
+        {
+        return iSessionState->State();
+        }
+    return MVtEngSessionInfo::EUnknown;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngStateManager::PreviousSessionState
+// Returns session state.
+// 
+// -----------------------------------------------------------------------------
+//
+MVtEngSessionInfo::TSessionState CVtEngStateManager::PreviousSessionState() const
+    {
+    return iPreviousSessionState;
+    }
+
+//  End of File