--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/usbmgmt/usbmgr/host/fdf/production/fdcbase/public/fdcplugin.h Tue Feb 02 02:02:59 2010 +0200
@@ -0,0 +1,95 @@
+/*
+* Copyright (c) 2007-2009 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:
+*
+*/
+
+/**
+ @file
+ @publishedPartner
+ @released
+*/
+
+#ifndef FDCPLUGIN_H
+#define FDCPLUGIN_H
+
+#include <e32base.h>
+
+class MFdcPluginObserver;
+
+/**
+Base class for FDC plugins.
+*/
+class CFdcPlugin : public CBase
+ {
+ // So we can make most of this class private- validly callable only by
+ // CFdcProxy.
+ friend class CFdcProxy;
+
+private: // used by FDF to create and destroy FDC instances
+ /**
+ Constructor.
+ @param aImplementationUid UID of implementation to create.
+ @param aObserver Handle back onto the FDF for the FDC to use.
+ @return Ownership of a new FDC plugin.
+ */
+ IMPORT_C static CFdcPlugin* NewL(TUid aImplementationUid, MFdcPluginObserver& aObserver);
+
+ /**
+ Called by FDF to get a pointer to an object which implements the
+ FDF API with UID aUid. This is a mechanism for allowing future change
+ to the FDF API without breaking BC in existing (non-updated) FDF
+ plugins.
+ */
+ virtual TAny* GetInterface(TUid aUid) = 0;
+
+protected: // called by concrete FDF plugins
+ /**
+ Constructor
+ */
+ IMPORT_C CFdcPlugin(MFdcPluginObserver& aObserver);
+
+ /** Destructor. */
+ IMPORT_C ~CFdcPlugin();
+
+ /**
+ Accessor for the interface to the FDF.
+ @return Interface to the FDF.
+ */
+ IMPORT_C MFdcPluginObserver& Observer();
+
+ /**
+ From CBase.
+ */
+ IMPORT_C TInt Extension_(TUint aExtensionId, TAny*& a0, TAny* a1);
+
+private: // owned
+ /**
+ UID set by ECOM when the instance is created. Used when the instance is
+ destroyed.
+ */
+ TUid iInstanceId;
+
+ /**
+ Interface for calls up to the FDF.
+ */
+ MFdcPluginObserver& iObserver;
+
+ /**
+ Pad for BC-friendly future change.
+ */
+ TAny* iPad;
+ };
+
+#endif // FDCPLUGIN_H