diff -r 5f0182e07bfb -r 5456b4e8b3a8 menufw/hierarchynavigator/hnutilities/inc/hnservicehandler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/menufw/hierarchynavigator/hnutilities/inc/hnservicehandler.h	Wed Sep 01 12:32:46 2010 +0100
@@ -0,0 +1,284 @@
+/*
+* Copyright (c) 2007-2008 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 C_HNMDSERVICEHANDLER_H
+#define C_HNMDSERVICEHANDLER_H
+
+//#include <mnaiwservices.h>
+#include <liwcommon.h>
+#include <e32base.h>
+#include <xmlengelement.h>
+
+#include "hnglobals.h"
+
+class CLiwServiceHandler;
+class CHnMdQuery;
+class CLiwGenericParamList;
+class MLiwInterface;
+class CLiwDefaultMap;
+class CHnMdBaseKey;
+class CHnMdServiceCommand;
+class CHnServiceHandler;
+
+/**
+ * Class represeting request to LIW service.
+ * The request can be synchronous or asynchronous.
+ *
+ * @since S60 5.0
+ * @ingroup group_hnutilities
+ */
+NONSHARABLE_CLASS(CHnServiceHandler) : public CBase, public MLiwNotifyCallback
+    {
+public:
+
+    /**
+     * Two-phase constructor.
+     *
+     * @since S60 5.0
+     * @param aService Service name.
+     * @param aInterface Interface name.
+     * @param aCommand Request to the Service.
+     * @param aMode Asynchronous or Synchronous Request.
+     * @param aConstructor Parameters used during Service construction.
+     * @param aServiceCommand Additional Parameters for the Request.
+     * @return Fully cosntructed object.
+     */
+    IMPORT_C static CHnServiceHandler* NewL(
+            const TDesC8& aService, const TDesC8& aInterface,
+            const TDesC8& aCommand, TServiceMode aMode,
+            CLiwGenericParamList* aConstructor,
+            CLiwGenericParamList* aServiceCommand );
+
+    /**
+     * Two-phase constructor.
+     *
+     * @since S60 5.0
+     * @param aService Service name.
+     * @param aInterface Interface name.
+     * @param aCommand Request to the Service.
+     * @param aMode Asynchronous or Synchronous Request.
+     * @param aConstructor Parameters used during Service construction.
+     * @param aServiceCommand Additional Parameters for the Request.
+     * @return Fully cosntructed object.
+     */
+    IMPORT_C static CHnServiceHandler* NewLC(
+            const TDesC8& aService, const TDesC8& aInterface,
+            const TDesC8& aCommand, TServiceMode aMode,
+            CLiwGenericParamList* aConstructor,
+            CLiwGenericParamList* aServiceCommand );
+
+    /**
+     * Standard C++ virtual destructor.
+     *
+     * @since S60 5.0
+     */
+    IMPORT_C virtual ~CHnServiceHandler();
+
+    /**
+     * Executes the Request on the service.
+     *
+     * since S60 v5.0
+     * @param aOutParamList Request outcome.
+     * @param aStatus Status for signalling when request completes.
+     * @return Error code.
+     */
+    IMPORT_C TInt ExecuteL( CLiwGenericParamList& aOutParamList, TRequestStatus& aStatus );
+
+    /**
+     * Executes the query on the service, with external
+     * notification callback.
+     *
+     * since S60 v5.0
+     * @param aCallback Notification callback.
+     * @param aCmdOptions Additional options for the Request.
+     * @return Error code.
+     */
+    IMPORT_C TInt ExecuteL( MLiwNotifyCallback* aCallback,
+            TInt aCmdOptions = 0 );
+
+
+    /**
+     * Executes the query on the service.
+     * Deprecated - Do not Use this method!!!! Will be removed asap.
+     *
+     * since S60 v5.0
+     * @return Error code.
+     */
+    IMPORT_C TInt ExecuteL();
+
+    /**
+     * Checks if an action model matches an existing service.
+     *
+     * since S60 v5.0
+     * @param aService service.
+     * @param aInterface interface.
+     * @param aConstructor constructor.
+     * @return true if an action model matches the service.
+     */
+    IMPORT_C TBool ServiceHandlerMatchesModel(
+        const TDesC8& aService,
+        const TDesC8& aInterface,
+        const CLiwGenericParamList* aConstructor ) const;
+    
+    /**
+     * Allows for reusing the object when a request needs to be invoked on
+     * the same interface of the same service.
+     * 
+     * @param aCommand Request to the Service.
+     * @param aMode Asynchronous or Synchronous Request.
+     * @param aServiceCommand Additional Parameters for the Request.
+     */
+    IMPORT_C void PrepareForNextExecutionL( const TDesC8& aCommand,
+            TServiceMode aMode, CLiwGenericParamList* aServiceCommand );
+
+private:
+
+    /**
+     * Standard C++ constructor.
+     *
+     * @since S60 5.0
+     * @param aMode Synchronous or asynchronous.
+     */
+    CHnServiceHandler( TServiceMode aMode );
+
+
+    /**
+     * Standard symbian 2nd phase contructor.
+     *
+     * @since S60 5.0
+     * @param aService Service name.
+     * @param aInterface Interface name.
+     * @param aCommandName Request to the Service.
+     * @param aConstructor Parameters used during Service construction.
+     * @param aServiceCommand Additional Parameters for the Request.
+     */
+    void ConstructL(
+            const TDesC8& aService, const TDesC8& aInterface,
+            const TDesC8& aCommandName,
+            CLiwGenericParamList* aConstructor,
+            CLiwGenericParamList* aServiceCommand );
+
+
+    /**
+     * Handles notifications caused by an asynchronous Request.
+     *
+     * @param aCmdId The service command associated to the event.
+     * @param aEventId Occured event, see LiwCommon.hrh.
+     * @param aEventParamList Event parameters, if any, as defined per
+     *        each event.
+     * @param aInParamList Input parameters, if any, given in the
+     *        related HandleCommmandL.
+     * @return Error code for the callback.
+     */
+    TInt HandleNotifyL(
+            TInt aCmdId,
+            TInt aEventId,
+            CLiwGenericParamList& aEventParamList,
+            const CLiwGenericParamList& aInParamList);
+
+    /**
+     * Creates interface.
+     *
+     * @param aConstructor constructor
+     * @return Error code.
+     */
+    TInt SetServiceInterfaceL( CLiwGenericParamList* aConstructor );
+
+private: // data
+
+    /**
+     * Service name.
+     * Own.
+     */
+    RBuf8 iServiceName;
+
+    /**
+     * Interface name.
+     * Own.
+     */
+    RBuf8 iInterfaceName;
+
+    /**
+     * Command (Request) name.
+     * Own.
+     */
+    RBuf8 iCommandName;
+
+    /**
+     * Service mode.
+     */
+    TServiceMode iMode;
+
+    /**
+     * Stores input parameters (not data) of the service search method\
+     * (ExecuteServiceCmdL).
+     * Own.
+     */
+    CLiwGenericParamList* iConstructor;
+
+    /**
+     *
+     * Own.
+     */
+    CLiwGenericParamList* iCommand;
+
+    /**
+     * Parameters for the Request.
+     * Own.
+     */
+    CLiwGenericParamList* iInput;
+
+    /**
+     * Request results from ExecuteL();
+     * Own.
+     */
+    CLiwGenericParamList* iOutputForAS;
+
+    /**
+     * Request results from
+     * ExecuteL( CLiwGenericParamList& aOutParamList, TRequestStatus& aStatus ).
+     * Own.
+     */
+    CLiwGenericParamList* iOutputForAO;
+
+    /**
+     * Service interface.
+     */
+    MLiwInterface* iServiceInterface;
+
+    /**
+     * Service Handler.
+     * Own.
+     */
+    CLiwServiceHandler* iServiceHandler;
+
+    /**
+     * Client status.
+     * Not Own.
+     */
+    TRequestStatus* iClientStatus;
+
+    /**
+     * Waits for asynchronous queries.
+     * Own.
+     */
+    CActiveSchedulerWait* iWait;
+
+    };
+
+#endif // C_HNMDSERVICEHANDLER_H