/*

* 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:  Base class for the Adaptive WLAN Scan Engine.

*

*/

/*

*/

#ifndef AWSENGINEBASE_H

#define AWSENGINEBASE_H

#include <ecom/ecom.h>

#include <e32std.h>

#include "awsinterface.h"

/** Value for expiry when background scan should expire immediately. */

const TUint32 KWlanBgScanMaxDelayExpireImmediately = 0;

/** Value for background scan interval when background scan is off. */

const TUint32 KWlanBgScanIntervalNever = 0;

/** Value for Automatic background scan interval. */

const TUint32 KWlanBgScanIntervalAutomatic = 0xFFFFFFFF;

/** Value for AWS ECOM interface UID. */

const TInt KAwsClientInterfaceUid = 0x2002700C;

/**

 *  AWS Engine base class

 *  This class implements base class for AWS Engine.

 *

 *  @since S60 v5.2

 */

class CAwsEngineBase : public CBase, public MAws

    {

public:

    struct TAwsEngineConstructionParameters

        {

        MAwsBgScanProvider* aServiceProvider;

        TUint aServiceProviderInterfaceVersion;

        TUint& aAwsEngineInterfaceVersion;

        };

    /**

     * Two-phased constructor.

     * @param aUid UID of implementation to instantiate.

     * @param aConstructionParameters Pointer to construction parameters,

     *                                must not be NULL.

     * @return Pointer to the constructed instance.

     */

    inline static CAwsEngineBase* NewL(

            TInt aUid,

            TAwsEngineConstructionParameters* aConstructionParameters );

    /**

    * Destructor.

    */

    virtual ~CAwsEngineBase();

    /**

     * List implementations for AWS Plugin interface.

     * @param aImplInfoArray Array of implementation informations.

     */

            RImplInfoPtrArray& aImplInfoArray);

private: // data

    /**

     * Identifies the instance of an implementation created by

     * the ECOM framework.

     */

    TUid iInstanceIdentifier;

    };

#include "awsenginebase.inl"

#endif // AWSENGINEBASE_H