/*

* 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:  System Application light extension plugin handler

*

*/

#include <e32debug.h>

#include <sysaplightcontrolplugin.h>

#include "sysaplightpluginhandler.h"

#include "SysAp.hrh"

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

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

// CSysApLightPluginHandler::CSysApLightPluginHandler

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

//

CSysApLightPluginHandler::CSysApLightPluginHandler() : iPlugin( NULL ),

                                                       iEventCompleted( ETrue )

    {

    }

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

// CSysApLightPluginHandler::ConstructL

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

//

void CSysApLightPluginHandler::ConstructL()

    {

    TRACES( RDebug::Print( _L("CSysApLightPluginHandler::ConstructL") ) );

    TRAPD( err, iPlugin = CSysApLightControlPlugin::NewL() );

    if ( err != KErrNone )

        {

        TRACES( RDebug::Print( _L("CSysApLightPluginHandler::ConstructL: loading plugin failed, err=%d"), err ) );

        iPlugin = NULL;

        }

    }

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

// CSysApLightPluginHandler::CSysApLightPluginHandler

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

//

CSysApLightPluginHandler* CSysApLightPluginHandler::NewL()

    {

    TRACES( RDebug::Print( _L("CSysApLightPluginHandler::NewL") ) );

    CSysApLightPluginHandler* self = new (ELeave) CSysApLightPluginHandler();

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CSysApLightPluginHandler::~CSysApLightPluginHandler

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

//

CSysApLightPluginHandler::~CSysApLightPluginHandler()

    {

    TRACES( RDebug::Print( _L("CSysApLightPluginHandler::~CSysApLightPluginHandler") ) );

    delete iPlugin;

    }

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

// CSysApLightPluginHandler::HandleEvent

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

//    

void CSysApLightPluginHandler::HandleEvent( SysApLightExtension::TLightEvent aLightEvent, const TDesC8& aData )

    {

    iEventCompleted = EFalse;

    if ( iPlugin )

        {

        TRACES( RDebug::Print( _L("CSysApLightPluginHandler::HandleEvent: aLightEvent=%d"), aLightEvent ) );

        TRAPD( err, iPlugin->LightEventL( aLightEvent, aData ) );

        if ( err != KErrNone )

            {

            TRACES( RDebug::Print( _L("CSysApLightPluginHandler::HandleEvent: err=%d"), err ) );

            }

        }

    }

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

// CSysApLightPluginHandler::HandleEventNoAction

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

//    

void CSysApLightPluginHandler::HandleEventNoAction( SysApLightExtension::TLightEvent aLightEvent, const TDesC8& aData )

    {

    HandleEvent( aLightEvent, aData );

    HandleCommand( SysApLightExtension::ELightCommandNoAction );

    }

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

// CSysApLightPluginHandler::HandleCommand

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

//

TBool CSysApLightPluginHandler::HandleCommand( SysApLightExtension::TLightCommand aLightCommand, const TDesC8& aData )

    {

    if ( !iPlugin )

        {

        return EFalse; // light extension plugin not installed

        }

    iEventCompleted = ETrue;

    TRACES( RDebug::Print( _L("CSysApLightPluginHandler::HandleCommand: aLightCommand=%d"), aLightCommand ) );

    TInt response(SysApLightExtension::ECommandHandled);

    TRAPD( err, response = iPlugin->HandleLightCommandL( aLightCommand, aData ) );

    if ( err != KErrNone )

        {

        TRACES( RDebug::Print( _L("CSysApLightPluginHandler::HandleLightCommand: err=%d"), err ) );

        response = SysApLightExtension::ECommandHandled; // don't apply default light control in case of a leave

        }

    TRACES( RDebug::Print( _L("CSysApLightPluginHandler::HandleLightCommand: response=%d"), response ) );

    return (response == SysApLightExtension::ECommandHandled ? ETrue : EFalse);

    }