serviceproviders/sapi_sysinfo/inc/sysinfoobserver.h
changeset 19 989d2f495d90
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/serviceproviders/sapi_sysinfo/inc/sysinfoobserver.h	Fri Jul 03 15:51:24 2009 +0100
@@ -0,0 +1,87 @@
+/*
+* Copyright (c) 2005-2006 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 "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:  CSysInfoObserver class for handling async requests
+*
+*/
+
+
+#ifndef __SYSINFOOBSERVER_H__
+#define __SYSINFOOBSERVER_H__
+
+#include <e32base.h>
+#include "sysinfoservice.h"
+#include "sysrequest.h"
+
+//FORWARD DECLARATION
+class CLiwGenericParamList;
+class CSysInfoInterface;
+
+/**
+* CSysInfoObserver
+* This class acts as an observer for all asynchronous requests. After the request
+* is completed, it checks for error and packs it in output param list. If there
+* is no error, then the iterator is also packed into the output param list.
+*/
+// CLASS DECLARATION
+NONSHARABLE_CLASS(CSysInfoObserver): public CBase, public ISystemObserver
+    {
+    public: // New methods
+
+    /**
+    * NewL.
+    * Two-phased constructor.
+    * Create a CSysInfoObserver object.
+    * @param aLmIface The CSysInfoInterface instance.
+    * @return A pointer to the newly created instance of CSysInfoObserver.
+    */
+    static CSysInfoObserver* NewL( CSysInfoInterface* aSysInfoIf );
+
+    /**
+    * ~CSysInfoObserver
+    * Destructor.
+    */
+    ~CSysInfoObserver() {}
+
+    public:// from ISystemObserver
+
+    /**
+    * HandleResponseL ()
+    * Delegates asycn response to client by calling 
+    * MLiwNotifyCallback::HandleNotifyL().
+    */		
+    void HandleResponseL(const TDesC& aEntity,const TDesC& aKey, 
+                            CSysData* aOutput, TInt32 aTransID, 
+                            TSysRequest::TRequestType aType, TInt aError);
+
+    private: // Constructors
+
+    /**
+    * CSysInfoObserver.
+    * C++ default constructor.
+    * @param aSysInfoIf The CSysInfoInterface instance.
+    */
+    CSysInfoObserver( CSysInfoInterface* aSysInfoIf );
+
+    private: //Data        
+
+    /**
+    * iSysInfoIf
+    * Handle to CSysInfoInterface instance.
+    */
+    CSysInfoInterface* iSysInfoIf;
+    };
+
+#endif // __SYSINFOOBSERVER_H__
+
+// End of File
\ No newline at end of file