/*

* 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:  Idle state

*

*/

// INCLUDE FILES

#include    "CVtEngStateIdle.h"

#include    <cvtlogger.h>

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

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

// CVtEngStateIdle::CVtEngStateIdle

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

// might leave.

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

//

CVtEngStateIdle::CVtEngStateIdle( 

    CVtEngStateManager& aStateManager,

    CVtEngEventManager& aEventManager )

    : CVtEngStateBase( aStateManager, aEventManager )

    {

    }

// Destructor

CVtEngStateIdle::~CVtEngStateIdle()

    {

    __VTPRINT( DEBUG_DESTRUCT, "~Stateidl")

    }

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

// CVtEngStateIdle::UpdateL

// Updates state

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

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

//

void CVtEngStateIdle::UpdateL()

    {

    __VTPRINTENTER( "StateIdle.Update")

    const MVtCtlCallControl::TVtCtlState state = SessionHandler().RealState();

    CVtEngStateBase* newState = NULL;

    if( iStateManager.PreviousSessionState() == MVtEngSessionInfo::EUnknown )

        {

        switch ( state )

            {

            case MVtCtlCallControl::EInitializing:

                newState = NewStateL( MVtEngSessionInfo::EInitializing );

                break;

            case MVtCtlCallControl::EAlerting:

                newState = NewStateL( MVtEngSessionInfo::ERemoteAlerting );

                break;

            case MVtCtlCallControl::ERinging:

                newState = NewStateL( MVtEngSessionInfo::EReceiving );

                break;

            case MVtCtlCallControl::EConnected:

                newState = NegotiatingOrConnectedStateL();

                break;

            default:

                break;

            }

        if ( newState )

            {

            CVtEngUtility* utils = CVtEngUtility::EngineUtils();

            // Notify UI about initial autolock state. UI must have this

            // information early enough to deduce if it is allowed to 

            // go to foreground.

            utils->NotifyLockState();            

            utils->StartSATListenL();

            newState->OpenL( this );

            }

        }

    else

        {

        __VTPRINT( DEBUG_GEN, "StateIdle.Update wrong previous state, ignoring")        

        }

    __VTPRINTEXIT( "StateIdle.Update")

    }

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

// CVtEngStateIdle::OpenL

// State transition to idle.

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

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

//

void CVtEngStateIdle::DoOpenL()

    {

    __VTPRINTENTER( "StateIdle.Open")

    // Reset settings

    CVtEngSettings& settings = CVtEngUtility::Settings();

    settings.ResetAll();

    NotifyStateChange( MVtEngSessionInfo::EIdle );

    __VTPRINTEXIT( "StateIdle.Open")

    }

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

// CVtEngStateIdle::ValidateCommand

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

// 

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

//

TBool CVtEngStateIdle::ValidateCommand(

            const TVtEngCommandId aCommandId )

    {

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

    TBool okToPerform( EFalse );

    switch ( aCommandId )

        {

        case KVtEngPrepareViewFinder:        

        case KVtEngPrepareRemoteRenderDSA:

        case KVtEngPrepareRemoteRenderDP:

        case KVtEngPrepareRemoteRender:

        case KVtEngPrepareRemoteRenderNGA:

            okToPerform = ETrue;

            break;

        default:

            okToPerform = CVtEngStateBase::ValidateCommand( aCommandId );

            break;

        }

    return okToPerform;

    }

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

// CVtEngStateIdle::State

// Returns session state.

// 

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

//

MVtEngSessionInfo::TSessionState CVtEngStateIdle::State() const

    {

    return MVtEngSessionInfo::EIdle;

    }

// End of File