1.1 --- a/epoc32/include/bacntf.h	Tue Nov 24 13:55:44 2009 +0000
     1.2 +++ b/epoc32/include/bacntf.h	Tue Mar 16 16:12:26 2010 +0000
     1.3 @@ -1,1 +1,63 @@
     1.4 -bacntf.h
     1.5 +// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.6 +// All rights reserved.
     1.7 +// This component and the accompanying materials are made available
     1.8 +// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
     1.9 +// which accompanies this distribution, and is available
    1.10 +// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
    1.11 +//
    1.12 +// Initial Contributors:
    1.13 +// Nokia Corporation - initial contribution.
    1.14 +//
    1.15 +// Contributors:
    1.16 +//
    1.17 +// Description:
    1.18 +//
    1.19 +
    1.20 +// Started by BLB, October 1996
    1.21 +#if !defined(__BACNTF_H__)
    1.22 +#define __BACNTF_H__
    1.23 +
    1.24 +#include <e32base.h>
    1.25 +
    1.26 +
    1.27 +class CEnvironmentChangeNotifier : public CActive
    1.28 +/** Environment change notifier. This is an active object and can be used to handle 
    1.29 +environment change events. 
    1.30 +@publishedAll
    1.31 +@released
    1.32 +*/
    1.33 +	{
    1.34 +public:
    1.35 +	IMPORT_C static CEnvironmentChangeNotifier* NewL(TInt aPriority,const TCallBack& aCallBack);
    1.36 +	IMPORT_C ~CEnvironmentChangeNotifier();
    1.37 +	IMPORT_C void Start();
    1.38 +	IMPORT_C TInt Set(const TCallBack& aCallBack);
    1.39 +	inline TInt Change() const;
    1.40 +private:
    1.41 +	inline CEnvironmentChangeNotifier(TInt aPriority);
    1.42 +	void RunL();
    1.43 +	void DoCancel();
    1.44 +private:
    1.45 +	TInt iChange;
    1.46 +	TCallBack iCallBack;
    1.47 +	RChangeNotifier iChangeNotifier;
    1.48 +	};
    1.49 +
    1.50 +
    1.51 +
    1.52 +inline TInt CEnvironmentChangeNotifier::Change() const
    1.53 +	/** Returns the last set of change events.
    1.54 +	
    1.55 +	If the last outstanding request completed normally, the function returns a 
    1.56 +	bit pattern where each bit value corresponds to one of the enumerators defined 
    1.57 +	by TChanges. A set bit indicates that the corresponding change event occurred.
    1.58 +	
    1.59 +	For example, if the bit value TChanges::EChangesMidnightCrossover is set, 
    1.60 +	then the system time has passed midnight.
    1.61 +	
    1.62 +	@return A set of bits consisting of one or more of the values defined by TChanges, 
    1.63 +	or KErrCancel if the last outstanding request was cancelled. 
    1.64 +	@see TChanges */
    1.65 +	{return iChange;}
    1.66 +
    1.67 +#endif