--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailservices/emailserver/cmailhandlerplugin/inc/PSSubscriber.h	Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,106 @@
+/*
+* Copyright (c) 2009 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:
+*       Subscriber class for Publish & Subsribe events
+*
+*/
+
+#ifndef PSSUBSCRIBER_H
+#define PSSUBSCRIBER_H
+
+#include <e32base.h>
+#include <e32property.h>
+
+class MPSSubscribeHandler;
+
+/**
+*  CPSSubscriber is an acitve object that subscribes to a single
+*  Publish and Subscribe Property and notifies about the Property changes.
+*/
+class CPSSubscriber : public CActive
+{
+public:
+    /**
+    * Two-phased constructor.
+	*
+	* @param aPropertyResponder The object to be notified about Property changes
+	* @param aCategory The category of the Property to be observed
+	* @param aKey The subkey of the Property to be observed
+    */
+    static CPSSubscriber* NewL( MPSSubscribeHandler& aPropertyResponder, const TUid& aCategory, TUint aKey );
+
+    /**
+    * Destructor.
+    */
+     ~CPSSubscriber();
+
+	 /**
+	  * Subscribes to the Property given in constructor
+	  */
+     void Subscribe();
+
+private:
+	/**
+     * C++ default constructor.
+	 *
+  	 * @param aPropertyResponder The object to be notified about Property changes
+	 * @param aCategory The category of the Property to be observed
+	 * @param aKey The subkey of the Property to be observed
+     */
+    CPSSubscriber( MPSSubscribeHandler& aPropertyResponder, const TUid& aCategory, TUint aKey );
+
+    /**
+     * By default Symbian 2nd phase constructor is private.
+     */
+	 void ConstructL();
+
+public: // from CActive
+    /**
+	*   RunL
+    */
+    void RunL();
+
+    /**
+	*   RunError
+    *	@param aError the error returned
+	*
+    *	@return error
+    */
+    TInt RunError( TInt aError );
+
+    /**
+    *	DoCancel
+    */
+    void DoCancel();
+
+private: // Methods not implemented
+    CPSSubscriber( const CPSSubscriber& );           // Copy constructor
+    CPSSubscriber& operator=( const CPSSubscriber& );// Assigment operator
+
+private: // data
+
+	// The object to be notified about Property changes
+    MPSSubscribeHandler&      iPropertyResponder;
+
+	// The property object that subscribes to the Property to be observed
+    RProperty                 iProperty;
+
+	// The category of the Property to be observed
+    TUid                      iCategory;
+
+	// The subkey of the Property to be observed
+	TUint                     iKey;
+};
+
+#endif // PSSUBSCRIBER_H