textinput/peninputarc/inc/pensrvcliinc/peninputsrvobserver.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 12 Mar 2010 15:44:07 +0200
branchRCL_3
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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:  This file contains classes of Peninput server client side.
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*
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*/
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#ifndef R_RPENINPUTSERVER_OBSERVER_H
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#define R_RPENINPUTSERVER_OBSERVER_H
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#include <peninputsrveventhandler.h>
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class RPeninputServerImpl;
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/**
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 * Peninput server observer
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 *
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 *
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 * @lib peninputclient.lib
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 * @since S60 v4.0 
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 */
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NONSHARABLE_CLASS(CPeninputServerObserver) : public CActive,
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                                             public MPeninputServerEventHandler
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    {
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public:
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    static CPeninputServerObserver* NewL(RPeninputServerImpl* aPeninputServer,
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    						                    TThreadId aSrvThreadId);
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    /**
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     * Constructor 
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     *
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     * @since S60 v4.0
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     * @param aPeninputServer The server to be observered
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     * @param aHandler A server event handler
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     */
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    CPeninputServerObserver(RPeninputServerImpl* aPeninputServer,
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    						                        TThreadId aSrvThreadId);
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    /**
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     * Destructor 
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     *
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     * @since S60 v4.0
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     */
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    ~CPeninputServerObserver();
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    /**
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     * Set UI activation handler
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     *
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     * @since S60 v4.0
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     * @param aHandler A server event handler
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     */
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	void AddUiActivationHandler(MPeninputServerEventHandler* aHandler);
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    /**
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     * Add server event handler
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     *
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     * @since S60 v4.0
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     * @param aHandler A server event handler
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     */	
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	void AddEventHandler(MPeninputServerEventHandler* aHandler);
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	void SetActive()
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	    {
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	    CActive::SetActive();
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	    }
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	TRequestStatus& RequestStatus() 
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	    {
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	    return iStatus;
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	    }
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    void ReConstructL(TThreadId aId);	    
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protected: 
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     void ConstructL();
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    //From base class CActive
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    /** 
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     * From CActive
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     * Cancels all notification requests 
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     *
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     * @since S60 v4.0
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     */
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    void DoCancel();
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    /** 
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     * From CActive
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     * Receives messages and carries out requested operations
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     *
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     * @since S60 v4.0
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     */
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    void RunL();
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    /** 
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     * From CActive
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     * Handles error if RunL() leaves
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     *
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     * @since S60 v4.0
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     */
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    TInt RunError(TInt aError);
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private:
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    virtual TBool HandleServerEventL(TInt aEventId);	
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public:
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    /**
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     * server event handler
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     * Not own
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     */
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    MPeninputServerEventHandler* iHandler;
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    /**
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     * UI activation event handler
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     * Not own
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     */
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    MPeninputServerEventHandler* iUiActivationHandler;
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private:
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    /**
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     * Reference to connected RPeninputServerImpl session
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     * Not own
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     */
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    RPeninputServerImpl* iPeninputServer;
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    /**
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     * Server thread id
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     */        
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    TThreadId iSrvThreadId;
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    /**
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     * Server status flag
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     */        
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    TBool iServerExit;
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};
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//class CPenUiNotificationHandler
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NONSHARABLE_CLASS(CPenUiNotificationHandler): public CBase,public MPeninputServerEventHandler
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    {
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    public:
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        static CPenUiNotificationHandler* NewL(MPenUiActivationHandler* aHandler,
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                                                RPeninputServerImpl* aClient,
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                                                TInt aType);
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        TBool HandleServerEventL(TInt aEventId);
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        MPenUiActivationHandler* Handler() 
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            {
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            return iHandler;
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            }
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        TInt RegisteredType() 
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            {
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             return iType;
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            }
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    private:
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        CPenUiNotificationHandler(MPenUiActivationHandler* aHandler,
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                                    RPeninputServerImpl* aClient,TInt aType);
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        void ConstructL();
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    private:
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        MPenUiActivationHandler* iHandler;        
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        RPeninputServerImpl* iClient; //not owned
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        TInt iType;
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    };
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#endif //R_RPENINPUTSERVER_OBSERVER_H