/*

* Copyright (c) 2007-2008 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:  event handler class

*

*/

#include <liwservicehandler.h>

#include "hneventhandler.h"

#include "hnmdmodel.h"

#include "hnglobals.h"

#include "hnconvutils.h"

#include "hnliwutils.h"

#include "hnmdbasekey.h"

#include "hncontrollerinterface.h"

#include "hnactionmodel.h"

#include "hnservicehandler.h"

#include "menudebug.h"

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

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

// Safe constructor. Initializes refrerece to the Meta Data Model in which 

// the event-to-action mappings are stored.

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

//

CHnEventHandler::CHnEventHandler( MHnMdModelEventObserver& aModelObserver,

        MHnControllerInterface& aController ):

        iEventObserver( aModelObserver), iControllerInterface( aController )

    {

    }

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

// 

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

//

CHnEventHandler::~CHnEventHandler()

    {

    delete iServiceHandler;

    }

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

// 

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

//

CHnEventHandler* CHnEventHandler::NewLC( 

                                      MHnMdModelEventObserver& aModelObserver,

                                      MHnControllerInterface& aController )

    {

    CHnEventHandler* self =

        new (ELeave)CHnEventHandler( aModelObserver, aController );

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

    }

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

// 

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

//

CHnEventHandler* CHnEventHandler::NewL( 

                                    MHnMdModelEventObserver& aModelObserver,

                                    MHnControllerInterface& aController )

    {

    CHnEventHandler* self=CHnEventHandler::NewLC( aModelObserver, 

                                                  aController );

    CleanupStack::Pop(self); 

    return self;

    }

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

// 

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

//

void CHnEventHandler::ConstructL()

    {

    }

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

// 

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

//

TInt CHnEventHandler::ExecuteStandardActionL( CHnActionModel* aActionModel )

    {

    delete iServiceHandler;

    iServiceHandler = NULL;

    iServiceHandler = CHnServiceHandler::NewL(

            aActionModel->Service(),

            aActionModel->Interface(),

            aActionModel->CommandName(),

            aActionModel->ServiceMode(),

            aActionModel->ConstructorLC(), 

            aActionModel->CommandLC() );

    CleanupStack::Pop( 2 );

    TInt res = iServiceHandler->ExecuteL( this, 0 ); 

    return res;

    }

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

// 

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

//

TInt CHnEventHandler::ExtractUidFromActionL( const TDesC8& aInterface, 

        TUid& aUid )

    {

    DEBUG16(("_MM_: CHnEventHandler::ExtractUidFromActionL UIext - uid %S",

                &aInterface ));

    TLex8 lex( aInterface );

    lex.Inc( 2 );

    return lex.Val( (TUint32 &) aUid.iUid, EHex );

    }

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

// 

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

//

TInt CHnEventHandler::ExecuteInternalActionL( CHnActionModel* aActionModel )

    {

    TInt ret(KErrNotFound);

    CLiwGenericParamList* params = aActionModel->CommandLC();

    if ( aActionModel->CommandName() == KServiceOpenSuite )

        {

        ret = iEventObserver.HandleModelEventL( KNewSuiteLoadedMdEvent(), 

                *params );

        }

    else if ( aActionModel->CommandName() == KServiceSwitchWidget )

        {

        ret = iEventObserver.HandleModelEventL( KSwitchWidgetMdEvent(), 

                *params );

        }

    else if ( aActionModel->CommandName() == KServiceStartEditMode )

        {

        ret = iEventObserver.HandleModelEventL( KStartEditModeMdEvent(), 

                *params );

        }

    else if ( aActionModel->CommandName() == KServiceStopEditMode )

        {

        ret = iEventObserver.HandleModelEventL( KStopEditModeMdEvent(), 

                *params );

        }

    else if ( aActionModel->CommandName() == KServiceBack )

        {

        ret = iEventObserver.HandleModelEventL( KBackMdEvent(), 

                *params );

        }

    else if ( aActionModel->CommandName() == KSetFocus )

        {

        ret = iEventObserver.HandleModelEventL( KSetFocusEvent(), 

                *params );

        }

    CleanupStack::PopAndDestroy( params );

    return ret;

    }

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

// 

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

//

TInt CHnEventHandler::ExecuteExtensionManagerActionL(

        CHnActionModel* aActionModel )

    {

    TUid uid;

    TInt err = ExtractUidFromActionL( aActionModel->Interface(), uid );

    if ( KErrNone == err )

        {

        HBufC* cmd = HnConvUtils::Str8ToStrFastLC( aActionModel->CommandName() );

        CLiwGenericParamList* command = aActionModel->CommandLC();

        err = iControllerInterface.ExecuteExtensionActionL( uid, *cmd, command );        

        CleanupStack::PopAndDestroy( command );

        CleanupStack::PopAndDestroy( cmd );

        }

    return err;

    }

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

// 

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

//

EXPORT_C TInt CHnEventHandler::ExecuteActionL( CHnActionModel* aActionModel )

    {

    ASSERT( aActionModel );

    TInt err( KErrNone );

    if( aActionModel->Service() == KServiceMultimediaMenu )

        {

        if ( aActionModel->Interface().Length() == 0 )

            {

            err = ExecuteInternalActionL( aActionModel );

            }

        else

            {

            err = ExecuteExtensionManagerActionL( aActionModel );

            }

        }

    else

        {

        err = ExecuteStandardActionL( aActionModel );

        }

    return err;

    }

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

//

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

TInt CHnEventHandler::HandleNotifyL( TInt /*aCmdId*/, TInt /*aEventId*/,

        CLiwGenericParamList& /*aEventParamList*/,

        const CLiwGenericParamList& /*aInParamList*/ )

    {

    return KErrNone;

    }