UtlObservableImpl.h

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//
// Copyright (C) 2006 SIPfoundry Inc.
// Licensed by SIPfoundry under the LGPL license.
//
// Copyright (C) 2006 Pingtel Corp.  All rights reserved.
// Licensed to SIPfoundry under a Contributor Agreement.
//
// $$


#ifndef _UtlObservableImpl_h_
#define _UtlObservableImpl_h_

// SYSTEM INCLUDES
// APPLICATION INCLUDES
#include "os/OsLock.h"
#include "os/OsMutex.h"
#include "utl/UtlObservable.h"
#include "utl/UtlSList.h"

// DEFINES
// MACROS
// EXTERNAL FUNCTIONS
// EXTERNAL VARIABLES
// CONSTANTS
// STRUCTS
// TYPEDEFS
// FORWARD DECLARATIONS

class UtlObservableImpl : public UtlObservable
{
public:
    UtlObservableImpl();
    
    virtual void registerObserver(UtlObserver* observer) = 0;

    virtual void removeObserver(UtlObserver* observer) = 0;
protected:
    
    virtual void notify(int code, void *pUserData);    
private:
    UtlSList mObservers;
    
    OsMutex mMutex;
};

#endif