idlefw/plugins/sapidataplugin/inc/sapidataobserver.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:54:17 +0200
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/*
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* Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Plug-in main class
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*
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*/
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#ifndef SAPIDATAOBSERVER_H
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#define SAPIDATAOBSERVER_H
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// INCLUDE FILES
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#include <LiwCommon.h>
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class CSapiData;
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class CSapiDataObserver : public CBase, public MLiwNotifyCallback
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    {
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public:
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    /**
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    * Part of the two phased constuction
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    *
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    * @param aInterface reference of the interface 
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    * @param aData reference of the sapi data object
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    * @return none
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    */
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    static CSapiDataObserver* NewL( MLiwInterface* aInterface, CSapiData* aData );
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    /**
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    * Destructor
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    *
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    * @param none
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    * @return none
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    */   
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    ~CSapiDataObserver();
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private :
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    /**
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    * Constructor
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    *
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    * @param none
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    * @return none
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    */
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    CSapiDataObserver();
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    /**
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    * Part of the two phased construction
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    *
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    * @param aInterface reference of the interface
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    * @param aData reference of the sapi data object
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    * @return void
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    */
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    void ConstructL( MLiwInterface* aInterface, CSapiData* aData );
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public:  //from MLiwNotifyCallbackc
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    /**
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    * Handles notifications caused by an asynchronous Execute*CmdL call
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    * or an event.
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    *
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    * @param aCmdId The service command associated to the event.
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    * @param aEventId occurred event, see LiwCommon.hrh.
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    * @param aEventParamList Event parameters, if any, as defined per
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    *        each event.
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    * @param aInParamList Input parameters, if any, given in the
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    *        related HandleCommmandL.
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    * @return Error code for the call back.
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    */
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    virtual TInt HandleNotifyL(
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        TInt aCmdId,
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        TInt /*aEventId*/,
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        CLiwGenericParamList& aEventParamList,
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        const CLiwGenericParamList& /*aInParamList*/);
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public:
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    /**
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    * Registers to CPS for add, delete , update and execute notifications
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    * @aFilter - filter for input parameter list
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    * @return void.
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    */
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    void RegisterL( CLiwDefaultMap* aFilter, const TDesC& aRegistry );
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    /**
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    * Cancel all the registered notifications. 
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    * @return void.
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    */
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    void ReleaseL();
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private:
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    // Reference of 
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    // Not owned
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    MLiwInterface* iInterface;
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    // Reference of the sapi data
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    // Not owned
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    CSapiData* iData;
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    // Call back error code
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    TInt iError;
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    };
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#endif /*SAPIDATAOBSERVER_H*/