TB9.2 Example Applications: examples/SysLibs/ECom/InterfaceDefinition/Interface.h Source File

00001 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+00002 // All rights reserved.
+00003 // This component and the accompanying materials are made available
+00004 // under the terms of "Eclipse Public License v1.0"
+00005 // which accompanies this distribution, and is available
+00006 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
+00007 //
+00008 // Initial Contributors:
+00009 // Nokia Corporation - initial contribution.
+00010 //
+00011 // Contributors:
+00012 //
+00013 // Description:
+00014 //
+00015 
+00016 #ifndef _CEXAMPLEINTERFACE__
+00017 #define _CEXAMPLEINTERFACE__
+00018 
+00019 #include <e32base.h>
+00020 #include <ecom.h>
+00021 #include <badesca.h>
+00022 
+00023 // UID of this interface
+00024 const TUid KCExampleInterfaceUid = {0x10009DC0};
+00025 
+00036 class CExampleInterface : public CBase
+00037         {
+00038 public:
+00039         // The interface for passing initialisation parameters
+00040         // to the derived class constructor.
+00041         struct TExampleInterfaceInitParams
+00042                 {
+00043                 TInt integer;
+00044                 const TDesC* descriptor;
+00045                 };
+00046 
+00047         // Instantiates an object of this type 
+00048         static CExampleInterface* NewL();
+00049 
+00050         // Instantiates an object of this type 
+00051         // using the aMatchString as the resolver parameters.
+00052         static CExampleInterface* NewL(const TDesC8& aMatchString);
+00053 
+00054         // Instantiates an object of this type
+00055         // using the aMatchString as the resolver parameters
+00056         // and passing the aParams parameters 
+00057         static CExampleInterface* NewL(const TDesC8& aMatchString, TExampleInterfaceInitParams& aParams);
+00058 
+00059         // Destructor.
+00060         virtual ~CExampleInterface();
+00061 
+00062         // Request a list of all available implementations which 
+00063         // satisfy this given interface.
+00064         static void ListAllImplementationsL(RImplInfoPtrArray& aImplInfoArray);
+00065 
+00066         // Pure interface method
+00067         // Representative of a method provided on the interface by 
+00068         // the interface definer.
+00069         virtual void DoMethodL(TDes& aString) = 0;
+00070 
+00071 protected:
+00072         //Default c'tor
+00073         inline CExampleInterface();
+00074 
+00075 private:
+00076         // Unique instance identifier key
+00077         TUid iDtor_ID_Key;
+00078         };
+00079 
+00080 #include "interface.inl"
+00081 
+00082 #endif 
+00083 
+