--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vtengines/videoteleng/Src/State/CVtEngStateClearing.cpp	Mon Nov 23 14:47:47 2009 +0200
@@ -0,0 +1,144 @@
+/*
+* 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:  Base class for states
+*
+*/
+
+
+// INCLUDE FILES
+#include    "CVtEngStateClearing.h"
+#include    <cvtlogger.h>
+#include    "CVtEngOperation.h"
+#include    "CVtEngSettings.h"
+#include    "VtEngUtils.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CVtEngStateClearing::CVtEngStateClearing
+// C++ constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CVtEngStateClearing::CVtEngStateClearing( 
+    CVtEngStateManager& aStateManager,
+    CVtEngEventManager& aEventManager )
+    : CVtEngStateBase( aStateManager, aEventManager )
+    {
+    }
+
+// Destructor
+CVtEngStateClearing::~CVtEngStateClearing()
+    {
+    __VTPRINT( DEBUG_DESTRUCT, "~StateClr")
+    }
+
+
+// -----------------------------------------------------------------------------
+// CVtEngStateClearing::UpdateL
+// Updates state.
+// 
+// -----------------------------------------------------------------------------
+//
+void CVtEngStateClearing::UpdateL()
+    {
+    __VTPRINTENTER( "StateClr.Update" )
+    const MVtCtlCallControl::TVtCtlState bearerstate = 
+        SessionHandler().RealState();
+    const MVtProtocolCommand::TVtProtocolState protostate( MediaHandler().ProtoState() );
+
+    __VTPRINT2( DEBUG_GEN, "StateClr.bearerState=%d", bearerstate )
+    __VTPRINT2( DEBUG_GEN, "StateClr.protoState=%d", protostate )
+
+    if ( bearerstate == MVtCtlCallControl::EIdle ||
+         bearerstate == MVtCtlCallControl::EDisconnecting ||
+         bearerstate == MVtCtlCallControl::EUnknown ||
+         protostate == MVtProtocolCommand::EIdle || 
+         protostate == MVtProtocolCommand::ESetup )
+        {
+        CVtEngStateBase* idleState = NewStateL( MVtEngSessionInfo::EIdle );
+        idleState->OpenL( this );
+        }
+    __VTPRINTEXIT( "StateClr.Update" )
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngStateClearing::OpenL
+// State transition to clearing state.
+// 
+// -----------------------------------------------------------------------------
+//
+void CVtEngStateClearing::DoOpenL()
+    {
+    __VTPRINTENTER( "StateClr.Open")
+    
+    // Do disconnect on Protocol, it is possible that disconnect is already
+    // ongoing and we get error and that's fine.
+    TInt err( MediaHandler().Disconnect() );
+    if ( err != KErrNone && err != KErrAlreadyExists )
+        {
+        __VTPRINT2( DEBUG_GEN, "StateClr.OpenL disconnect fail=%d", err)
+        }
+    // Reset settings
+    CVtEngSettings& settings = CVtEngUtility::Settings();
+    settings.ResetAll();
+    NotifyStateChange( MVtEngSessionInfo::EClearing );
+    __VTPRINTEXIT( "StateClr.Open")
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngStateClearing::ValidateCommand
+// Returns if a command is valid in idle state.
+// 
+// -----------------------------------------------------------------------------
+//
+TBool CVtEngStateClearing::ValidateCommand(
+            const TVtEngCommandId aCommandId )
+    {
+    TBool okToPerform( EFalse );
+    switch ( aCommandId )
+        {
+        case KVtEngTerminateSession:
+            break;
+        default:
+            okToPerform = CVtEngStateBase::ValidateCommand( aCommandId );
+            break;
+        }
+    return okToPerform;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngStateClearing::State
+// Returns session state.
+// 
+// -----------------------------------------------------------------------------
+//
+MVtEngSessionInfo::TSessionState CVtEngStateClearing::State() const
+    {
+    return MVtEngSessionInfo::EClearing;
+    }
+
+// -----------------------------------------------------------------------------
+// CVtEngStateClearing::HandleL
+// Handles an operation when behavior is state dependent.
+// 
+// -----------------------------------------------------------------------------
+//
+TBool CVtEngStateClearing::HandleL( CVtEngOperation& aOp )
+    {
+    TBool handled( CVtEngStateBase::HandleL( aOp ));
+    return handled;
+    }
+
+// End of File