--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/menufw/menufwui/mmextensions/mmextensionmanager/inc/mmecomobserver.h	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,131 @@
+/*
+* 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:   Menu Framewrok ECom observer
+*
+*/
+
+#ifndef C_ECOM_OBSERVER_H
+#define C_ECOM_OBSERVER_H
+
+#include <e32base.h>	// For CActive, link against: euser.lib
+#include <e32std.h>		// For RTimer, link against: euser.lib
+
+class REComSession;
+
+/**
+ * Class defining callback interface.
+ */
+
+/**
+ * MHNEcomInstallNotifierCallback is an interface contains function
+ * executed when ECom plugin have changed. Interface is used by all
+ * ECom observer implementations.
+ *
+ * @since S60 5.0
+ * @ingroup group_mmextensions
+ */
+class MHNEcomInstallNotifierCallback
+    {
+public:
+	
+	/**
+	 * Refreshes list of MultimediaMenu plugins implementations.
+	 */
+    virtual void EcomChangedL() = 0;    
+    };
+
+/**
+ * Class for observing ECom server
+ */
+
+/**
+ * CMMEcomObserver is a class represents ECom plugin. Class is
+ * derived by all ECom plugin implemetations. Implementation
+ * contains basic functionality related with ECom mechanism and
+ * notification handling.
+ *
+ * @since S60 5.0
+ * @ingroup group_mmextensions
+ */
+NONSHARABLE_CLASS( CMMEcomObserver ) : public CActive
+    {
+public:
+    /**
+     * Cancel and destroy.
+     */
+    ~CMMEcomObserver();
+
+    /**
+     * Two-phased constructor.
+     * @param aCallback Pointer to ECom plugin callback.
+     * @return Instance of the CMMEcomObserver class.
+     */
+    static CMMEcomObserver* NewL( MHNEcomInstallNotifierCallback* aCallback );
+
+    /**
+     * Two-phased constructor.
+     * @param aCallback Pointer to ECom plugin callback.
+     * @return Instance of the CMMEcomObserver class.
+     */
+    static CMMEcomObserver* NewLC( MHNEcomInstallNotifierCallback* aCallback );
+
+private:
+    /**
+     * Default C++ constructor.
+     */
+    CMMEcomObserver();
+
+    /**
+     * Second-phase constructor.
+     * @param aCallback Pointer to ECom plugin callback.
+     */
+    void ConstructL( MHNEcomInstallNotifierCallback* aCallback );
+
+private:
+    
+    /**
+     * From CActive. Handles completion.
+     */
+    void RunL();
+
+    /**
+     * Cancels active object.
+     */
+    void DoCancel();
+
+    /**
+     * Override to handle leaves from RunL(). Default implementation causes
+     * the active scheduler to panic.
+     * @param aError Currently error status.
+     * @return Error code.
+     */
+    TInt RunError( TInt aError );
+
+private:
+
+    /**
+     * ECom handler
+     * Own.
+     */
+    REComSession* iSession;
+    
+    /**
+     * Callback pointer.
+     * Not own.
+     */
+    MHNEcomInstallNotifierCallback* iCallback;
+    
+    };
+
+#endif // C_ECOM_OBSERVER_H