diff -r 159fc2f68139 -r d59c248c9d36 ImagePrint/ImagePrintEngine/ImagePrintServer/inc/cprotocolsloader.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ImagePrint/ImagePrintEngine/ImagePrintServer/inc/cprotocolsloader.h Wed Sep 01 12:30:38 2010 +0100 @@ -0,0 +1,96 @@ +/* +* Copyright (c) 2004-2007 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: Contains the CProtocolsLoader class definition. +* +*/ + + +#ifndef CPROTOCOLSLOADER_H +#define CPROTOCOLSLOADER_H + +#include + +class MProtPrintingDevice; + +class CProtocolsLoader : public CBase + { + public: + + static CProtocolsLoader* NewL(); + ~CProtocolsLoader(); + + /** + * Gets the number of protocol implementations that could be loaded. + * @return Number of protocols available. + */ + TInt GetNumberOfProtocolsAvailable() const; + + /** + * Gets the next protocol in the internal list of protocols. + * + * Returns a pointer to the next protocol in the list. If the end of the list is reached, it starts the list over. + * The order in which protocols will be returned is: DPOF, BPP, PictBridge, any other protocols (sorted alpha- + * betically). This pointer should not be deleted. + * @return Pointer to the next protocol instance. + */ + MProtPrintingDevice* GetNextProtocol(); + + /** + * Gets the protocol located in the position specified. + * @param aIndex Index of the desired protocol. If there are 3 protocols, the valid indexes are: 0, 1, 2. + * @return Pointer to the next protocol instance. This pointer should not be deleted. + */ + MProtPrintingDevice* GetProtocolAt(TInt aIndex); + + /** + * Resets the inner pointers to the beginning of the protocols' list. + */ + void Reset(); + + /** + * Returns the index of the current protocol + */ + TInt GetProtocolIndex() const; + + /** + * @brief Returns the Protocols supported by the DLL. It can be any of the KImagePrint_PrinterProtocol* constants. + * @return An OR'ed value with the supported protocols information. + */ + TUint SupportedProtocols() const; + + private: + + CProtocolsLoader(); + void ConstructL(); + void LoadL(); + static void CleanupProt( TAny* aData ); + + private: // data + + /// Used to store the number of protocols loaded and available for use. + TInt iAvailableProtocols; + + /// Index of the next protocol available. + TInt iProtIndex; + + /// Pointer array used to store the reference to the protocols. + RPointerArray iProtocols; + + /// OR'ed value with the supported protocols information. + TUint iSupportedProtocols; + }; + +#endif // CPROTOCOLSLOADER_H + +// End of File