/*

* 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:  Ringing state handle interfaces implementation

*

*/

// INCLUDE FILES

#include    "CVtEngStateRinging.h"

#include    "CVtEngInitializer.h"

#include    "VtEngUtils.h"

#include    <cvtlogger.h>

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

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

// CVtEngStateRinging::CVtEngStateRinging

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

// might leave.

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

//

CVtEngStateRinging::CVtEngStateRinging( 

    CVtEngStateManager& aStateManager,

    CVtEngEventManager& aEventManager )

    : CVtEngStateBase( aStateManager, aEventManager )

    {

    }

// Destructor

CVtEngStateRinging::~CVtEngStateRinging()

    {

    __VTPRINT( DEBUG_DESTRUCT, "~StateRing")

    }

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

// CVtEngStateRinging::UpdateL

// Updates state

// (other items were commented in a header).

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

//

void CVtEngStateRinging::UpdateL()

    {

    __VTPRINTENTER( "StateRing.Update" )

    const MVtCtlCallControl::TVtCtlState bearerstate = 

        SessionHandler().RealState();

    CVtEngStateBase* newState = NULL;

    switch ( bearerstate )

        {

        case MVtCtlCallControl::EConnected:

            newState = NegotiatingOrConnectedStateL();

            break;

        case MVtCtlCallControl::EDisconnecting:

        case MVtCtlCallControl::EIdle:

            newState = NewStateL( MVtEngSessionInfo::EIdle );

            // Initializer may be waiting for dataport. In that case MediaHandler 

            // has already signaled reqStatus of CVtEngInitializer which must

            // complete KVtEngInitializeEngine command in order uninitialisation to

            // finish properly. This scenario may happen in 1st call since phone

            // boot, i.e. when dataport name is not already published.

            CVtEngUtility::EngineUtils()->Initializer().CancelInit();

            break;

        default:

            break;

        }

    if ( newState )

        {

        newState->OpenL( this );

        }

    __VTPRINTEXIT( "StateRing.Update")

    }

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

// CVtEngStateRinging::OpenL

// State transition to Ring.

// (other items were commented in a header).

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

//

void CVtEngStateRinging::DoOpenL()

    {

    __VTPRINTENTER( "StateRing.Open")

    NotifyStateChange( MVtEngSessionInfo::EReceiving );

    __VTPRINTEXIT( "StateRing.Open")

    }

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

// CVtEngStateRinging::ValidateCommand

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

// 

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

//

TBool CVtEngStateRinging::ValidateCommand(

    const TVtEngCommandId aCommandId )

    {

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

    TBool okToPerform( EFalse );

    switch ( aCommandId )

        {

        case KVtEngSetSource:

        case KVtEngPrepareViewFinder:                

        case KVtEngStartViewFinder:

        case KVtEngPauseViewFinder:

        case KVtEngPrepareRemoteRenderDSA:

        case KVtEngPrepareRemoteRenderDP:

        case KVtEngPrepareRemoteRender:

        case KVtEngPrepareRemoteRenderNGA:

        case KVtEngStartRenderRemote: 

            okToPerform = ETrue;

            break;

        default:

            okToPerform = CVtEngStateBase::ValidateCommand( aCommandId );

            break;

        }

    return okToPerform;

    }

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

// CVtEngStateRinging::State

// Returns session state.

// 

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

//

MVtEngSessionInfo::TSessionState CVtEngStateRinging::State() const

    {

    return MVtEngSessionInfo::EReceiving;

    }

// End of File