examples/SFExamples/symbian_os_communications_programming_book_v2/chapter8/receivingmessages/CWeatherReportWatcher.h

// 
// Copyright (c) 2002-2009 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:
// 

#ifndef MWEATHERREPORTWATCHER_H
#define MWEATHERREPORTWATCHER_H

#include <e32base.h>
#include <e32cons.h>
#include <ES_SOCK.H>
#include <f32file.h>

class MWeatherReportObserver
        {
public:

        enum TWeatherReport
                {
                ENone,
                ESunny,
                ECloudy,
                ERainy
                };

        virtual void NewWeatherReport(TWeatherReport aWeatherReport) = 0;
        };

class CWeatherReportWatcher : public CActive
        {
public:

        ~CWeatherReportWatcher();

        // Construct and start listening for weather reports
        static CWeatherReportWatcher* NewL(MWeatherReportObserver& aWeatherReportObserver, RFs& aFs);
        
        // CActive functions
        void DoCancel();
        void RunL();

private:
        CWeatherReportWatcher(MWeatherReportObserver& aWeatherReportObserver, RFs& aFs);
        void ConstructL();
        void WaitForWeatherReportL();

private:
        RSocketServ iSocketServer;
        RSocket iSmsSocket;
        MWeatherReportObserver& iWeatherReportObserver;
        RFs& iFs;
        TPckgBuf<TUint> iSbuf;
        
        enum TWeatherWatcherState
                {
                EWaitingForWeatherReport,
                EAcknowledgingWeatherReport 
                };
                
        TWeatherWatcherState iState;
        };

#endif

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