--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingappbase/mce/inc/mceiaupdateutils.h	Wed Nov 03 09:52:46 2010 +0530
@@ -0,0 +1,177 @@
+/*
+* Copyright (c) 2002 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:  
+*     Application class for Mce.
+*
+*/
+
+#ifndef C_CMCEIAUPDATEUTILS_H
+#define C_CMCEIAUPDATEUTILS_H
+
+// system include files go here:
+#include <e32base.h>
+#include <iaupdateobserver.h>
+
+// forward declarations go here:
+class CMceUi;
+class CIAUpdate;
+class CIAUpdateParameters;
+
+/**
+ *  Has utilities to help IAD aware applications to
+ *  update themselves (discover, download and install updates).
+ *
+ *  @code
+ *   const TUid KYourAppUid ={0x10005ABC};
+ *   CMceIAUpdateUtils *MsgIadUpdate = CMceIAUpdateUtils::NewL();
+ *   iMsgIadUpdate->StartL(KYourAppUid);
+ *  @endcode
+ *
+ */
+class CMceIAUpdateUtils : public CActive,
+public MIAUpdateObserver
+    {
+public:
+
+    /**
+     * Two-phased constructor.
+     * @param aAppUid Uid of the app for which update needs to be checked.
+     */
+    static CMceIAUpdateUtils* NewL(CMceUi& aMceUi);
+
+
+    /**
+    * Destructor.
+    */
+    virtual ~CMceIAUpdateUtils();
+
+    void StartL( const TUid aAppUid );
+    
+    /**
+     * Is IAD Update requried to do now
+     * @return TBool
+     * ETrue, If the KMceIADUpdateCheckRetryInterval is over after the previous try
+     * EFalse, If the KMceIADUpdateCheckRetryInterval is not over after the previous retry 
+     */
+    TBool IsUpdateRequired();
+    
+protected: 
+
+     /**
+     * From CActive
+     */
+     void RunL();
+     
+     void DoCancel();  
+
+private:
+	
+    /**
+     * C++ default constructor.
+     */
+    CMceIAUpdateUtils(CMceUi& aMceUi);
+
+    /**
+     * By default Symbian 2nd phase constructor is private.
+     */
+    void ConstructL();
+
+    /**
+     * Cleanup function.
+     */
+    void Delete();
+	
+	/**
+     * For Setting the active object active immediately.
+     */	
+	void CompleteSelf();
+	
+	/**
+     * Start IA update process.
+     * @param aAppUid Uid of the app for which update needs to be checked.
+     */
+    void DoStartL(TUid aAppUid);
+
+private: // From MIAUpdateObserver
+
+    /**
+     * From MIAUpdateObserver.
+     * This callback function is called when the update checking operation has
+     * completed.
+     *
+     * @param aErrorCode The error code of the observed update operation.
+     *                   KErrNone for successful completion,
+     *                   otherwise a system wide error code.
+     * @param aAvailableUpdates Number of the updates that were found available.
+     */
+    void CheckUpdatesComplete( TInt aErrorCode, TInt aAvailableUpdates );
+
+
+    /**
+     * From MIAUpdateObserver.
+     * This callback function is called when an update operation has completed.
+     * Even if multiple functions are provided to start different update
+     * operations, this callback function is always called after an update
+     * operation has completed.
+     *
+     * @param aErrorCode The error code of the completed update operation.
+     *                   KErrNone for successful completion,
+     *                   otherwise a system wide error code.
+     * @param aResult Details about the completed update operation.
+     *                Ownership is transferred.
+     */
+    void UpdateComplete( TInt aErrorCode, CIAUpdateResult* aResultDetails );
+
+
+    /**
+     * From MIAUpdateObserver.
+     * This callback function is called when an update query operation has
+     * completed.
+     *
+     * @param aErrorCode The error code of the observed query operation.
+     *                   KErrNone for successful completion,
+     *                   otherwise a system wide error code.
+     * @param aUpdateNow ETrue informs that an update operation should be started.
+     *                   EFalse informs that there is no need to start an update
+     *                   operation.
+     */
+    void UpdateQueryComplete( TInt aErrorCode, TBool aUpdateNow );
+
+private: // data
+
+    /**
+     * IAD update API.
+     * Own.
+     */
+    CIAUpdate* iUpdate;
+
+    /**
+     * IAD update parameters.
+     * Own.
+     */
+    CIAUpdateParameters* iParameters;
+    
+    TUid 				 iAppUid;
+    
+    CMceUi&              iMceUi;
+	
+    /**
+	 * Previous IAD update check retry time
+	 */
+    TTime                iPrevIADUpdateCheckTry;
+    };
+
+#endif // C_CMCEIAUPDATEUTILS_H
+
+//EOF