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 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__