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// Copyright (c) 1997-2009 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:
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//
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// Started by BLB, October 1996
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#if !defined(__BACNTF_H__)
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#define __BACNTF_H__
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#include <e32base.h>
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class CEnvironmentChangeNotifier : public CActive
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/** Environment change notifier. This is an active object and can be used to handle
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environment change events.
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@publishedAll
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@released
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*/
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{
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public:
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IMPORT_C static CEnvironmentChangeNotifier* NewL(TInt aPriority,const TCallBack& aCallBack);
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IMPORT_C ~CEnvironmentChangeNotifier();
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IMPORT_C void Start();
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IMPORT_C TInt Set(const TCallBack& aCallBack);
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inline TInt Change() const;
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private:
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inline CEnvironmentChangeNotifier(TInt aPriority);
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void RunL();
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void DoCancel();
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private:
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TInt iChange;
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TCallBack iCallBack;
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RChangeNotifier iChangeNotifier;
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};
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inline TInt CEnvironmentChangeNotifier::Change() const
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/** Returns the last set of change events.
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If the last outstanding request completed normally, the function returns a
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bit pattern where each bit value corresponds to one of the enumerators defined
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by TChanges. A set bit indicates that the corresponding change event occurred.
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For example, if the bit value TChanges::EChangesMidnightCrossover is set,
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then the system time has passed midnight.
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@return A set of bits consisting of one or more of the values defined by TChanges,
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or KErrCancel if the last outstanding request was cancelled.
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@see TChanges */
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{return iChange;}
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#endif
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