/*

* 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    "CVtEngStateAlerting.h"

#include    <cvtlogger.h>

#include    "CVtEngOperation.h"

#include    "CVtEngSettings.h"

#include    "VtEngUtils.h"

#include    "CVtEngAudioHandler.h"

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

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

// CVtEngStateAlerting::CVtEngStateAlerting

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

// might leave.

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

//

CVtEngStateAlerting::CVtEngStateAlerting( 

    CVtEngStateManager& aStateManager,

    CVtEngEventManager& aEventManager )

    : CVtEngStateBase( aStateManager, aEventManager )

    {

    }

// Destructor

CVtEngStateAlerting::~CVtEngStateAlerting()

    {

    __VTPRINT( DEBUG_DESTRUCT, "~StateAlrt")

    }

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

// CVtEngStateAlerting::UpdateL

// Updates state.

// 

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

//

void CVtEngStateAlerting::UpdateL()

    {

    __VTPRINTENTER(  "StateAlert.Update" )

    const MVtCtlCallControl::TVtCtlState bearerstate = 

        SessionHandler().RealState();

    CVtEngStateBase* newState = NULL;

    if ( bearerstate == MVtCtlCallControl::EIdle ||

         bearerstate == MVtCtlCallControl::EDisconnecting )

        {

        newState = NewStateL( MVtEngSessionInfo::EIdle );

        }

    else

        {

        newState = NegotiatingOrConnectedStateL(); // or null

        }

    if ( newState )

        {

        newState->OpenL( this );

        }

    __VTPRINTEXIT( "StateAlert.Update")

    }

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

// CVtEngStateAlerting::OpenL

// State transition to alerting state.

// 

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

//

void CVtEngStateAlerting::DoOpenL()

    {

    __VTPRINTENTER( "StateAlert.Open" )

    NotifyStateChange( MVtEngSessionInfo::ERemoteAlerting );

    // Instantiate temporary devsound for audio routing

    AudioHandler().SetRoutingEnablerL( ETrue );

    __VTPRINTEXIT( "StateAlert.Open" )

    }

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

// CVtEngStateAlerting::ValidateCommand

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

// 

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

//

TBool CVtEngStateAlerting::ValidateCommand(

    const TVtEngCommandId aCommandId )

    {

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

    TBool okToPerform( EFalse );

    switch ( aCommandId )

        {

        case KVtEngInitializeEngine:

        case KVtEngInitializeEngineDiag:

        case KVtEngInitializeEngineTest:

        case KVtEngSetSource:

        case KVtEngPrepareViewFinder:

        case KVtEngPrepareViewFinderDSA:

        case KVtEngPrepareViewFinderDP:

        case KVtEngStartViewFinder:

        case KVtEngPauseViewFinder:

        case KVtEngPrepareRemoteRenderDSA:

        case KVtEngPrepareRemoteRenderDP:

        case KVtEngPrepareRemoteRenderNGA:

            okToPerform = ETrue;

            break;

        default:

            okToPerform = CVtEngStateBase::ValidateCommand( aCommandId );

            break;

        }

    return okToPerform;

    }

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

// CVtEngStateAlerting::State

// Returns session state.

// 

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

//

MVtEngSessionInfo::TSessionState CVtEngStateAlerting::State() const

    {

    return MVtEngSessionInfo::ERemoteAlerting;

    }

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

// CVtEngStateAlerting::HandleL

// Handles an operation when behavior is state dependent.

// 

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

//

TBool CVtEngStateAlerting::HandleL( 

    CVtEngOperation& aOp )

    {

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

    return handled;

    }

// End of File