/*

* Copyright (c) 2004-2006 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    "CVtEngStateConnected.h"

#include    <cvtlogger.h>

#include    "CVtEngOperation.h"

#include    "CVtEngSettings.h"

#include    "VtEngUtils.h"

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CVtEngStateConnected::CVtEngStateConnected

// C++ constructor can NOT contain any code, that

// might leave.

// -----------------------------------------------------------------------------

//

CVtEngStateConnected::CVtEngStateConnected( 

    CVtEngStateManager& aStateManager,

    CVtEngEventManager& aEventManager )

    : CVtEngStateBase( aStateManager, aEventManager )

    {

    }

// Destructor

CVtEngStateConnected::~CVtEngStateConnected()

    {

    __VTPRINT( DEBUG_DESTRUCT, "~StateConnected")

    }

// -----------------------------------------------------------------------------

// CVtEngStateConnected::UpdateL

// Updates state.

// 

// -----------------------------------------------------------------------------

//

void CVtEngStateConnected::UpdateL()

    {

    __VTPRINTENTER( "StateConnected.Update")

    const MVtCtlCallControl::TVtCtlState bearerstate = 

        SessionHandler().RealState();

    MVtProtocolCommand::TVtProtocolState state( MediaHandler().ProtoState() );

    CVtEngStateBase* newState = NULL;

    if ( bearerstate != MVtCtlCallControl::EConnected )

        {

        // we've lost bearer connection, go to idle

        newState = NewStateL( MVtEngSessionInfo::EIdle );

        }

    else if ( state == MVtProtocolCommand::EConnected )

        {

        // protocol is open (should always go through neg.state but just in case)

        // change to open state

        newState = NewStateL( MVtEngSessionInfo::EOpen );

        }

    else if ( state == MVtProtocolCommand::EDisconnecting ||

              state == MVtProtocolCommand::EResetting )

        {

        // change to clearing state

        newState = NewStateL( MVtEngSessionInfo::EClearing );

        }

    else

        {

        // protocol is set up so connect now if ready

        newState = NegotiatingOrConnectedStateL( ETrue );

        }

    if ( newState )

        {

        newState->OpenL( this );

        }

    __VTPRINTEXIT( "StateConnected.Update")

    }

// -----------------------------------------------------------------------------

// CVtEngStateConnected::DoOpenL

// State transition to connected state.

// 

// -----------------------------------------------------------------------------

//

void CVtEngStateConnected::DoOpenL()

    {

    __VTPRINTENTER( "StateConnected.Open")

    NotifyStateChange( MVtEngSessionInfo::EConnected );

    //start monitor incoming call

    __VTPRINTEXIT( "StateConnected.Open")

    }

// -----------------------------------------------------------------------------

// CVtEngStateConnected::ValidateCommand

// Returns if a command is valid in idle state.

// 

// -----------------------------------------------------------------------------

//

TBool CVtEngStateConnected::ValidateCommand(

            const TVtEngCommandId aCommandId )

    {

    __VTPRINT( DEBUG_DETAIL |DEBUG_GEN, "StateConnected.Validate")

    TBool okToPerform( EFalse );

    switch ( aCommandId )

        {

        case KVtEngSetSource:

        case KVtEngPrepareViewFinder:

        case KVtEngStartViewFinder:

        case KVtEngPauseViewFinder:

        case KVtEngStopViewFinder:

        case KVtEngPrepareRemoteRenderDSA:

        case KVtEngPrepareRemoteRenderDP:

        case KVtEngPrepareRemoteRenderNGA:

            okToPerform = ETrue;

            break;

        default:

            okToPerform = CVtEngStateBase::ValidateCommand( aCommandId );

            break;

        }

    return okToPerform;

    }

// -----------------------------------------------------------------------------

// CVtEngStateConnected::State

// Returns session state.

// 

// -----------------------------------------------------------------------------

//

MVtEngSessionInfo::TSessionState CVtEngStateConnected::State() const

    {

    return MVtEngSessionInfo::EConnected;

    }

// -----------------------------------------------------------------------------

// CVtEngStateConnected::HandleL

// Handles an operation when behavior is state dependent.

// 

// -----------------------------------------------------------------------------

//

TBool CVtEngStateConnected::HandleL( CVtEngOperation& aOp )

    {

    TBool handled( CVtEngStateBase::HandleL( aOp ));

    return handled;

    }

// End of File