/*

* Copyright (c) 2007 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:  running (normal operation) application state

*

*/

#include "tvtuistates.h"

#include "tvtuiappstates.h"

#include "mvtuistatecontext.h"

#include "cvtuiappshutter.h"

#include "videotelui.hrh"

#include <cvtlogger.h>

#include <vtengevents.h>

#include <StringLoader.h>

#include <AknQueryDialog.h>

#include <videotelui.rsg>

TVtUiStateRunning* TVtUiStateRunning::iInstance = NULL;

// c++ constructor

TVtUiStateRunning::TVtUiStateRunning(

    MVtUiStateContext& aCtx, TVtUiStates& aUiStates )

    : TVtUiAppStateBase( aCtx, aUiStates ), iCreateVoiceCallDlg( NULL )

    {

    }

// Destructor

TVtUiStateRunning::~TVtUiStateRunning()

    {

    }

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

// TVtUiStateRunning::InstanceL

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

//

TVtUiStateRunning * TVtUiStateRunning::InstanceL(

    MVtUiStateContext& aCtx,

    TVtUiStates& aUiStates )

    {

    __VTPRINTENTER( "UiStateRunning.InstanceL" )

    if ( iInstance == NULL )

        iInstance = new ( ELeave ) TVtUiStateRunning( aCtx, aUiStates );

    __VTPRINTEXIT( "UiStateRunning.InstanceL" )

    return iInstance;

    }

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

// TVtUiStateRunning::HandleVtEventL

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

//

TVtUiAppStateBase::TEventResponse TVtUiStateRunning::HandleVtEventL(

    const TInt aEvent )

    {

    __VTPRINTENTER( "UiStateRunning.HandleVtEventL" )

    // let TVtUiAppStateBase base class do common tasks

    TEventResponse handled = TVtUiAppStateBase::HandleVtEventL( aEvent );

    switch ( aEvent )

        {

    case KVtEngDeviceLockOn:

    case KVtEngDeviceLockOff:

        TVtUiAppStateBase::HandleVtEventL( aEvent );

        if ( aEvent == KVtEngDeviceLockOff )

            {

            iCtx.ChangeApplicationFocus( ETrue );

            }

        break;

    case KVtEngSessionStateChanged:

        if ( CheckEndActiveCallL() )

            {

            // At this point shutdown is in progress. Don't allow

            // appUi to do actions due to this event.

            handled = EEventHandled;

            }

        break;

    default:

        break;

        }

    __VTPRINTEXIT( "UiStateRunning.HandleVtEventL" )

    return handled;

    }

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

// TVtUiStateRunning::HandleCommandL

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

//

TVtUiAppStateBase::TEventResponse TVtUiStateRunning::HandleCommandL(

    const TInt aCommand )

    {

    __VTPRINTENTER( "UiStateRunning.HandleCommandL" )

    /** By default all commands are enabled by running state.

      * Other details command validations are done elsewhere

      */

    TEventResponse handled = EEventHandled;

    switch ( aCommand )

        {

    case EVtUiCmdEndActiveCall:

        {

        const MVtEngSessionInfo::TSessionState state = SessionState( EFalse );

        if ( state == MVtEngSessionInfo::EOpen )

            {

            ShutdownWithEngineCommandL( KVtEngTerminateSession );

            }

        }

        break;

    case EVtUiCmdCreateVoice:

        CreateVoiceCallL();

        break;

    case EVtUiCmdDialEmergency:

        // Attempt emergency call. Note that emergency number check is done

        // after calling DialEmergencyCallL and if supplied number is not

        // emergency leave occurs.

        TRAP_IGNORE( DialEmergencyCallL() );

        break;

    default:

        handled = TVtUiAppStateBase::HandleCommandL( aCommand );

        break;

        }

    __VTPRINTEXITR( "UiStateRunning.HandleCommandL %d", handled )

    return handled;

    }

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

// TVtUiStateRunning::HandleForegroundChangedL

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

//

TBool TVtUiStateRunning::HandleForegroundChangedL( const TBool aIsForeground )

    {

    __VTPRINTENTER( "UiStateRunning.HandleForegroundChangedL" )

    // Closes create voice call dialog if it is open

    delete iCreateVoiceCallDlg; iCreateVoiceCallDlg = NULL;

    SetLightsState( aIsForeground );

    iCtx.RefreshL( MVtUiStateContext::ENaviPane );

    TBool handleAsForeground( aIsForeground );

    TPtrC8 params( reinterpret_cast< TUint8* >( &handleAsForeground ),

        sizeof( TBool ) );

    iCtx.DoExecuteCmdL( KVtEngSetUIForeground, &params );

    __VTPRINTEXIT( "UiStateRunning.HandleForegroundChangedL" )

    return handleAsForeground;

    }

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

// TVtUiStateRunning::PreHandleForegroundChangedL

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

//

TBool TVtUiStateRunning::PreHandleForegroundChangedL( const TBool aIsForeground )

    {

    __VTPRINTENTER( "UiStateRunning.PreHandleForegroundChangedL" )

    TBool handleAsForeground( aIsForeground );

    TPtrC8 params( reinterpret_cast< TUint8* >( &handleAsForeground ), sizeof( TBool ) );

    iCtx.DoExecuteCmdL( KVtEngSetUIForeground, &params );

    __VTPRINTEXIT( "UiStateRunning.PreHandleForegroundChangedL" )

    return handleAsForeground;

    }

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

// TVtUiStateRunning::HandleLayoutChangedL

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

//

void TVtUiStateRunning::HandleLayoutChangedL( )

    {

    __VTPRINTENTER( "UiStateRunning.HandleLayoutChangedL" )

    iUiStates.SetLayoutChangeNeeded( EFalse );

    iCtx.DoHandleLayoutChangedL();

    __VTPRINTEXIT( "UiStateRunning.HandleLayoutChangedL" )

    }

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

// TVtUiStateRunning::StartDtmfTone

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

//

void TVtUiStateRunning::StartDtmfTone( const TChar& aTone )

    {

    iCtx.StartDtmfTone( aTone );

    }

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

// TVtUiStateRunning::StopDtmfTone

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

//

void TVtUiStateRunning::StopDtmfTone()

    {

    iCtx.StopDtmfTone();

    }

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

// TVtUiStateRunning::CreateVoiceCallL

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

//

void TVtUiStateRunning::CreateVoiceCallL()

    {

    __VTPRINTENTER( "TVtUiStateRunning.CreateVoiceCallL" )

    HBufC* prompt =

    	StringLoader::LoadLC( R_VIDEOTELUI_QTN_QUERY_CREATE_VOICE_CALL );

    // Create and initialize query dialog

    CAknQueryDialog* createVoiceCallDlg = CAknQueryDialog::NewL();

    CleanupStack::PushL( createVoiceCallDlg );

    createVoiceCallDlg->SetPromptL( *prompt );

    CleanupStack::Pop(); // createVoiceCallDlg

    iCreateVoiceCallDlg = createVoiceCallDlg;

    TInt result( KErrNone );

    TRAPD( error, result = iCreateVoiceCallDlg->ExecuteLD(

        R_VIDEOTELUI_CREATE_VOICE_QUERY ) );

    // Just set to NULL because ExecuteLD() deletes instance

    iCreateVoiceCallDlg = NULL;

    // Leave if ExecuteLD() left

    User::LeaveIfError( error );

    CleanupStack::PopAndDestroy( ); // prompt

    if ( result )

        {

        //user answered yes

		iCtx.DoExecuteCmdL( KVtEngSwitchToVoice, NULL );

        }

    __VTPRINTEXITR( "TVtUiAppStateBase.CreateVoiceCallL %d", result )

    }

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

// TVtUiStateRunning::ShutdownWithEngineCommandL

// Starts shutdown with command to engine.

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

//

void TVtUiStateRunning::ShutdownWithEngineCommandL( const TInt aCommand )

    {

    __VTPRINTENTER(

        "TVtUiStateRunning.ShutdownWithEngineCommandL" )

    TVtUiAppStateBase* resetState =

        TVtUiStateResetting::InstanceL( iCtx, iUiStates, aCommand ); 

    CVtUiAppShutter* shutter = CVtUiAppShutter::InstanceL( *resetState );

    if ( shutter )

        {

        // open resetting state, handles engine command request/reply

        ChangeStateL( *resetState );

#ifdef _DEBUG

        __VTPRINTEXIT(

            "TVtUiStateRunning.ShutdownWithEngineCommandL 1" )

        return;

#endif

        }    

    __VTPRINTEXIT(

        "TVtUiStateRunning.ShutdownWithEngineCommandL 0" )

    }

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

// TVtUiStateRunning::DialEmergencyCallL

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

//

void TVtUiStateRunning::DialEmergencyCallL()

    {

    __VTPRINTENTER(

        "TVtUiStateRunning.DialEmergencyCallL" )

    TVtUiAppStateBase* resetState =

        TVtUiStateResetting::InstanceL( iCtx, iUiStates );

    CVtUiAppShutter* shutter = CVtUiAppShutter::InstanceL( *resetState );

    if ( shutter )

        {

        // Make emergency call and proceed when 1) state has given permission 

        // and 2) callback from emergency call api is received

        shutter->ShutdownWithEmergencyCallL( iCtx );

        ChangeStateL( *resetState );

        }

    __VTPRINTEXIT( "TVtUiStateRunning.DialEmergencyCallL" )

    }

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

// TVtUiStateRunning::OpenL

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

//

void TVtUiStateRunning::OpenL()

    {

    __VTPRINTENTER( "TVtUiStateRunning.OpenL" )

    SetExecState( TVtUiStates::EExecStateRunning );

    iCtx.RefreshStatesL();

    __VTPRINTEXIT( "TVtUiStateRunning.OpenL" )

    }

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

// TVtUiStateRunning::Close

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

//

void TVtUiStateRunning::Close()

    {

    __VTPRINTENTER( "TVtUiStateRunning.Close" )

    if ( TVtUiStateRunning::iInstance )

        {

        delete TVtUiStateRunning::iInstance;

        TVtUiStateRunning::iInstance = NULL;

        }

    __VTPRINTEXIT( "TVtUiStateRunning.Close" )

    }