--- a/epoc32/include/ecom/resolver.h Tue Nov 24 13:55:44 2009 +0000
+++ b/epoc32/include/ecom/resolver.h Tue Mar 16 16:12:26 2010 +0000
@@ -1,1 +1,129 @@
-resolver.h
+// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// 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
+// which accompanies this distribution, and is available
+// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// This file contains the definition of the CResolver
+// class.
+//
+//
+
+
+
+#if defined (_MSC_VER) && (_MSC_VER >= 1000)
+#pragma once
+#endif
+#ifndef __RESOLVER_H__
+#define __RESOLVER_H__
+
+#include <e32base.h>
+#include <f32file.h>
+
+#include <ecom/ecom.h>
+#include <ecom/publicregistry.h>
+
+class TEComResolverParams;
+
+/**
+The UID idnetifying the ECOM Resolver plugin interface.
+
+@publishedAll
+@released
+*/
+const TUid KCustomResolverInterfaceUid = {0x10009D90};
+
+/**
+Abstract base class which is used to identify the correct interface implementation
+based on criteria supplied by the client.
+This base class can be used to write a client specific resolver, however this is not
+required as a default implementation is provided within ECom.
+
+@publishedAll
+@released
+*/
+
+class CResolver : public CBase
+{
+public:
+ /**
+ Intended Usage : Request that the resolver identify the most appropriate interface
+ implementation.
+ Error Condition : Depends on implementation.
+ @since 7.0
+ @param aInterfaceUid The interface for which an implementation is requested
+ @param aAdditionalParameters The parameters which must match for an
+ implementation to be suitable
+ @return The unique Id of the implementation which satisfies the specified parameters.
+ @pre This object is fully constructed.
+ */
+
+ virtual TUid IdentifyImplementationL(TUid aInterfaceUid,
+ const TEComResolverParams& aAdditionalParameters) const = 0;
+
+ /**
+ Intended Usage : List all the implementations which satisfy the specified
+ interface definition and the resolve parameters supplied.
+ Error Condition : Depends on implementation.
+ @since 7.0
+ @param aInterfaceUid The interface for which implementations are requested
+ @param aAdditionalParameters The parameters which must match for an
+ implementation to be suitable
+ @return Pointer to an array of suitable implementations. Ownership of this
+ array is passed to the calling function.
+ @pre Object is fully constructed and initialized
+ @post Registry contents are not modified but registry keys may be updated
+ */
+
+ virtual RImplInfoArray* ListAllL(TUid aInterfaceUid,
+ const TEComResolverParams& aAdditionalParameters) const = 0;
+
+
+ inline RImplInfoArray& ListAllL(TUid aInterfaceUid)const;
+
+protected:
+
+ explicit inline CResolver(MPublicRegistry& aRegistry);
+
+ // Attributes
+ /** A reference to the instantiated registry information */
+
+ const MPublicRegistry& iRegistry;
+};
+
+/**
+@internalAll
+Intended Usage : Standardized default c'tor
+Error Condition : None
+@since 7.0
+@post CResolver is fully constructed
+*/
+CResolver::CResolver(MPublicRegistry& aRegistry) :
+CBase(),
+iRegistry(aRegistry)
+ {
+ // Do nothing
+ }
+
+/**
+Intended Usage : List all the implementations which satisfy the specified interface.
+Error Condition : @see CRegistryData::ListImplementationsL
+@since 7.0
+@param aInterfaceUid The interface for which implementations are requested
+@return Array of suitable implementations
+@pre Object is fully constructed and initialized
+@post Registry contents are not modified but registry keys may be updated
+*/
+RImplInfoArray& CResolver::ListAllL(TUid aInterfaceUid)const
+ {
+ return iRegistry.ListImplementationsL(aInterfaceUid);
+ }
+
+#endif /* __RESOLVER_H__ */