serviceproviders/sapi_sensor/inc/sensorservicehandler.h
author Pat Downey <patrick.downey@nokia.com>
Fri, 03 Jul 2009 15:51:24 +0100
changeset 5 989d2f495d90
child 23 50974a8b132e
permissions -rw-r--r--
Revision: 200923 Kit: 200925

/*
* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "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:  Loads the sensor service
*
*/

#ifndef C_CSENSORSERVICEHANDLER_H
#define C_CSENSORSERVICEHANDLER_H

#include <Liwserviceifbase.h>

/**
 * CsensorProvider - inherits the CLiwServiceIfBase to Load the sensor
 * service class.
 */
class CSensorProvider : public CLiwServiceIfBase
    {
    public:
        /**
         * Two-phased constructor.
         * @return CSensorProvider*
         */
        static CSensorProvider* NewL();
        /**
         * Destructor
         */
        ~CSensorProvider();

    private:
        /**
         * Default constructor.
         */
        CSensorProvider();

    public:
       /**
        * Called by the Liw framework to initialise provider with necessary information
        * from the Service Handler. This method is called when the consumer makes
        * the attach operation.
        *
        * @param aFrameworkCallback Framework provided callback for provider to send
        *                           events to framework.
        * @param aInterest List of criteria items which invoked the provider.
        */
        virtual void InitialiseL( MLiwNotifyCallback& aFrameworkCallback,
                                  const RCriteriaArray& aInterest );
       /**
        * Executes generic service commands included in criteria.
        *
        * @param aCmdId Command to be executed.
        * @param aInParamList Input parameters, can be an empty list.
        * @param aOutParamList Output parameters, can be an empty list.
        * @param aCmdOptions Options for the command, see KLiwOpt* in LiwCommon.hrh.
        * @param aCallback Callback for asynchronous command handling, parameter checking, etc.
        * @leave KErrArgument Callback is missing when required.
        * @leave KErrNotSupported No provider supports service.
        */
        virtual void HandleServiceCmdL( const TInt& aCmdId,
                                        const CLiwGenericParamList& aInParamList,
                                        CLiwGenericParamList& aOutParamList,
                                        TUint aCmdOptions = 0,
                                        const MLiwNotifyCallback* aCallback = NULL );
    };
#endif // C_CSENSORSERVICEHANDLER_H