--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/predictivesearch/PcsServer/inc/CPcsPluginInterface.h	Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,171 @@
+/*
+* Copyright (c) 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:  
+*
+*/
+
+#ifndef CPCS_PLUGIN_INTERFACE_H
+#define CPCS_PLUGIN_INTERFACE_H
+
+// INCLUDE FILES
+#include <s32mem.h>
+#include <coemain.h>
+
+#include <CPcsDefs.h>
+#include "CPsClientData.h"
+#include "CPsQuery.h"
+#include "CPsSettings.h"
+#include "CPsPattern.h"
+
+// FORWARD DECLARATION	
+class CPcsPlugin;
+
+/**
+* Class is used to instantiate the required plugins when the search has been
+* asked. Acts as interface to all Plugins.
+*/
+
+class CPcsPluginInterface: public CBase 
+{
+	public:
+
+		/** 
+		* Symbian OS 2 phased constructor.
+		* @return	A pointer to the created instance of CPcsPluginInterface.
+		*/
+		static CPcsPluginInterface* NewL();
+
+		/** 
+		* Symbian OS 2 phased constructor.
+		* @return	A pointer to the created instance of CPcsPluginInterface.
+		*/
+		static CPcsPluginInterface* NewLC();
+
+		/**
+		* Destructor.
+		*/      
+		virtual ~CPcsPluginInterface();
+
+		/**
+		* Instantiates the required search plug-ins known by the ecom framework.
+		* basically this function first calls ListAllImplementationsL()
+		* and then checks them one by one to match the algorithm name
+		*/
+		void InstantiateAlgorithmL(TDes& aAlgorithm);
+
+		/**
+		* Unloads all plugins
+		* This should internally call  REComSession::DestroyedImplementation( iDtor_ID_Key )
+		* and then REComSession::FinalClose()
+		*/
+		void UnloadPlugIns(); 
+
+		/**
+		* Lists all implementations which satisfy this ecom interface
+		*
+		* @param aImplInfoArray On return, contains the list of available implementations
+		* 
+		*/   
+		inline void ListAllImplementationsL( RImplInfoPtrArray& aImplInfoArray )
+		{
+			REComSession::ListImplementationsL( KPcsPluginInterfaceUid, aImplInfoArray );
+		}
+
+		/**
+		* Forwards the search request to the algorithm instance
+		*/
+		void  PerformSearchL(CPsSettings& aSettings,
+				             CPsQuery& aCondition,
+				             RPointerArray<CPsClientData>& aPsData,
+				             RPointerArray<CPsPattern>& aPattern);
+		/**
+		* Forwards the search request to the algorithm instance
+		*/
+		void  SearchInputL(CPsQuery& aSearchQuery,
+				           TDesC& aSearchData,
+				           RPointerArray<TDesC>& aMatchSet,
+				           RArray<TPsMatchLocation>& aMatchLocation); 
+
+        /**
+        * Forwards the search request to the algorithm instance
+        */
+        void  SearchMatchStringL(CPsQuery& aSearchQuery,
+                           TDesC& aSearchData,
+                           TDes& aMatch ); 		
+		
+		/**
+		* Forwards the request to check if language is supported
+		* to the algorithm instance
+		*/
+		TBool IsLanguageSupportedL(const TUint32 aLanguage);   
+		              
+		/**
+		* Forwards the request to recover data fields order for a URI
+		* to the algorithm instance
+		*/
+		void GetDataOrderL(TDesC& aURI, RArray<TInt>& aDataOrder);
+
+		/**
+		* Forwards the request to recover sort order for a URI
+		* to the algorithm instance
+		*/
+		void GetSortOrderL(TDesC& aURI, RArray<TInt>& aSortOrder);  
+
+		/**
+		* Forwards the request to set sort order for a URI
+		* to the algorithm instance
+		*/
+		void ChangeSortOrderL(TDesC& aURI, RArray<TInt>& aSortOrder);
+		                                                          
+		/** 
+		* Returns the UID of the algorithm in use
+		*/
+		TUid AlgorithmInUse() 
+		{
+			return iAlgorithmInUse;
+		}
+
+	private: 
+
+		/** 
+		* Performs the first phase of two phase construction.
+		*/
+		CPcsPluginInterface();  
+
+		/** 
+		* Symbian OS 2 phased constructor.
+		*/
+		void ConstructL();
+
+		/**
+		* Instantiates a PCS plug-in, knowing the implementation uid.
+		* @param aImpUid imp uID
+		*/
+		CPcsPlugin* InstantiatePlugInFromImpUidL( const TUid& aImpUid );
+
+
+	private: 
+
+		TUid iDtor_ID_Key;
+
+		// List of plugins that this interface will interact with
+		RPointerArray<CPcsPlugin>  iPcsPluginInstances; 
+
+		// Uid of the algorithm in use
+		TUid iAlgorithmInUse;
+};
+
+#endif // CPCS_PLUGIN_INTERFACE_H
+
+//End of File