/*

* Copyright (c) 2002-2005 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:

*

*/

#ifndef ISCCHANNELCONTAINER_H

#define ISCCHANNELCONTAINER_H

//  INCLUDES

#include <kernel.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

class DIscChannel;

// CLASS DECLARATION

/**

*  Static class to hold channel objects

*

*  @lib IscDriver.LIB

*  @since 2.8

*/

class IscChannelContainer

    {

    public:  // Constructors and destructor

    public: // New functions

        /**

        * Set pointer to channel

        * @since 2.8

        * @param IscChannel* aChannel pointer to channel

        * @param const TUint16 aUnit channelnumber

        * @return void

        */

        IMPORT_C static TInt SetChannel( DIscChannel* aChannel,

        								 const TUint16 aUnit );

        /**

        * Return pointer to channel. TUint16 aChannelSharingIndex is needed

        * for channel sharing

        * @since 2.8

        * @param const TUint16 aChannel channel number

        * @param const TUint16 aChannelSharingIndex, index in channel table. 

        * @return static DIscChannel* pointer to channel instance

        */

        static DIscChannel* Channel( const TUint16 aChannel,

        							 const TUint16 aChannelSharingIndex );

        /**

        * Remove channel pointer from channel table

        * @since 2.8

        * @param DIscChannel* aChannel pointer to DIscChannel

        * @return static TInt 

        */

        static TInt RemoveChannel( DIscChannel* aChannel );

        /**

        * Goes through channels and open ones are emptied

        * @since 2.8

        * @param TAny* not used

        * @return static void 

        */

        static void ChannelComplition( TAny* /*a*/ );

        /**

        * Allocates Dfc function dynamically and formats data tables.

        * @since 2.8

        * @return static void 

        */

        static void Initialize();

        /**

        * Deallocates Dfc function

        * @since 2.8

        * @return static void 

        */

        static void DeActivate();

        /**

        * Adds ChannelComplition Dfc.

        * Can be called from any context.

        * @since 2.8

        * @return static void 

        */

        static void AddDfc();

        /**

        * Make sure that pointer is valid DIscChannel pointer

        * @since 2.8

        * @param aChannelPtr DIscChannel pointer

        * @return void 

        */

        static TInt ValidateChannel( DIscChannel* aChannelPtr );

    private:    // Data

        static DIscChannel* iIscChannels[KIscNumberOfUnits][KIscMaxNumberOfChannelSharers];         

        static TDfc* iDfc;

    };

#endif      // ISCCHANNELCONTAINER_H   

// End of File