/*

* 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:  The click maker plugin, which

*                handles key events at window server process.

* Part of:      Tactile Feedback.

*

*/

#include <e32std.h>

#include "tactileclickpluginstub.h"

/**

 *  These are used as opcodes (function number) in IPC communication 

 *  between Tactile Feedback Client and the server hosting

 *  Tactile Area Registry (currently window server)

 */

enum TTactileFeedbackOpCodes

    {

    ETactileOpCodeConnect = 200,

    ETactileOpCodeDisconnect = 201,

    ETactileOpCodeImmediateFeedback = 202

    };

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

CTactileClickPlugin::CTactileClickPlugin()

    {

    }

void CTactileClickPlugin::ConstructL()

    {

    // We need to store ourselves to thead local storage, so that

    // Anim Dll plugins can access the feedback functionality

    Dll::SetTls( this );

    }

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

// We really have to trap ConstructL, because construction of click maker 

// plug-in must not fail (otherwise WSERV will panic, resulting in KERN 4 and

// re-boot of whole device).

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

//

CTactileClickPlugin* CTactileClickPlugin::NewL()

    {

    CTactileClickPlugin* self = new( ELeave ) CTactileClickPlugin;

    TRAP_IGNORE( self->ConstructL() );

    return self;

    }

CTactileClickPlugin::~CTactileClickPlugin()

    {

    }

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

// From class CClickMaker.

// No implementation needed

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

//

void CTactileClickPlugin::KeyEvent( 

    TEventCode /*aType*/, const TKeyEvent& /*aEvent*/ )

    {    

    }

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

// From class CClickMaker.

// No implementation needed

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

//

void CTactileClickPlugin::PointerEvent( const TPointerEvent& /*aEvent*/ )

    {

    }

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

// From class CClickMaker.

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

//

void CTactileClickPlugin::OtherEvent( TInt /*aType*/, TAny* /*aParam*/ )

    {

    }

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

// From class CClickMaker.

// This is run when client calls RSoundPlugin::CommandReply -function.

//

// Handling of individual commands has been moved to dedicated functions,

// because data handling requires some effort and relively complex code.

// This is due to the mistake in CClickMaker API design, as the data is

// not delivered in the same format as it was passed to RSoundPlugin on

// client side (client gives data in descriptor, but here the descriptor

// needs to be re-built from TAny* pointer, and in addition the lenght

// of data needs to be known based on command id).

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

//

TInt CTactileClickPlugin::CommandReplyL( TInt aOpcode, TAny* aArgs )

    {    

    TInt errCode = KErrNone;

    switch ( aOpcode )

        {

        case ETactileOpCodeConnect:

            errCode = HandleConnectL( aArgs );

            break;

        case ETactileOpCodeDisconnect:

            HandleDisconnectL( aArgs );

            break;

        case ETactileOpCodeImmediateFeedback:

            errCode = HandleImmediateFeedbackL( aArgs );

            break;

        default:

            break;

        }

    return errCode;    

    };

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

// 

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

//

void CTactileClickPlugin::InstantFeedback( TTouchLogicalFeedback /*aType*/ )

    {

    }

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

// This is not real plugin --> Always return KErrNotSupported

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

//

TInt CTactileClickPlugin::HandleConnectL( TAny* /*aArgs*/ )

    {

    return KErrNotSupported;

    }

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

// No need to do anything here

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

//

void CTactileClickPlugin::HandleDisconnectL( TAny* /*aArgs*/ )

    {  

    }

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

// No need to do anything here

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

//

TInt CTactileClickPlugin::HandleImmediateFeedbackL( TAny* /*aArgs*/ )

    {

    return KErrNone;

    }

// ======== GLOBAL FUNCTIONS ========

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

// Function with this signature needs to be the first exported function

// in click maker plugin DLLs.

//

// Constructs and returns an instance to tactile click maker plugin.

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

//

EXPORT_C CClickMaker* CreateClickMakerL()

    {

    CTactileClickPlugin* clickMaker = CTactileClickPlugin::NewL();

    return clickMaker;

    }