williamr@2: // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@2: // All rights reserved.
williamr@2: // This component and the accompanying materials are made available
williamr@2: // 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
williamr@2: // which accompanies this distribution, and is available
williamr@2: // at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
williamr@2: //
williamr@2: // Initial Contributors:
williamr@2: // Nokia Corporation - initial contribution.
williamr@2: //
williamr@2: // Contributors:
williamr@2: //
williamr@2: // Description:
williamr@2: //
williamr@2: 
williamr@2: #ifndef __CBIOASYNCWAITER_H__
williamr@2: #define __CBIOASYNCWAITER_H__
williamr@2: 
williamr@2: #include <e32base.h>
williamr@2: 
williamr@2: /**
williamr@2: Utility class for waiting for asychronous requests.
williamr@2: 
williamr@2: This class allows asynchronous requests to be made from synchronous
williamr@2: objects. This object is used by passing its iStatus to an asynchronous
williamr@2: request and then calling Start(). The result of the request can be 
williamr@2: obtained by calling the Result() method.
williamr@2: 
williamr@2: @publishedAll
williamr@2: @released
williamr@2: */
williamr@2: class CBioAsyncWaiter : public CActive
williamr@2: 	{
williamr@2: public:
williamr@2: 	IMPORT_C static CBioAsyncWaiter* NewLC();
williamr@2: 	IMPORT_C ~CBioAsyncWaiter();
williamr@2: 	
williamr@2: 	IMPORT_C void StartAndWait();
williamr@2: 	IMPORT_C TInt Result() const;
williamr@2: 	
williamr@2: private:
williamr@2: 	CBioAsyncWaiter();
williamr@2: 	
williamr@2: 	// from CActive
williamr@2: 	virtual void RunL();
williamr@2: 	virtual void DoCancel();
williamr@2: 	
williamr@2: private:
williamr@2: 	TInt iError;
williamr@2: 	};
williamr@2: 
williamr@2: #endif // __CBIOASYNCWAITER_H__