--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mrgui/inc/cesmrfieldeventqueue.h	Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,130 @@
+/*
+* Copyright (c) 2007-2009 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: This file defines class CESMRFieldEventQueue.
+*
+*/
+
+
+#ifndef CESMRFIELDEVENTQUEUE_H
+#define CESMRFIELDEVENTQUEUE_H
+
+#include <e32base.h>
+
+#include "mesmrfieldeventqueue.h"
+
+/**
+ *  CESMRFieldEventQueue defines an field event queue for ESMR GUI.
+ *
+ *  @code
+ *   
+ *  @endcode
+ *
+ *  @lib esmrgui.lib
+ */
+NONSHARABLE_CLASS( CESMRFieldEventQueue ) : public CBase,
+                                            public MESMRFieldEventQueue
+    {
+
+public:
+
+    static CESMRFieldEventQueue* NewL();
+    static CESMRFieldEventQueue* NewLC();
+
+    /**
+     * Destructor.
+     */
+    virtual ~CESMRFieldEventQueue();
+
+// from base class MESMRFieldEventQueue
+
+    /**
+     * From MESMRFieldEventQueue.
+     * Adds observer to the event queue.
+     *
+     * @param aObserver the observer.
+     */
+    void AddObserverL( MESMRFieldEventObserver* aObserver );
+    
+    /**
+     * From MESMRFieldEventQueue.
+     * Removes observer from the event queue.
+     *
+     * @param aObserver the observer.
+     */
+    void RemoveObserver( MESMRFieldEventObserver* aObserver );
+    
+    /**
+     * From MESMRFieldEventQueue.
+     * Notifies event to the event observers in the queue.
+     * Event is notified synchronously.
+     * 
+     * @param aEvent the event.
+     */
+    void NotifyEventL( const MESMRFieldEvent& aEvent );
+
+    /**
+     * From MESMRFieldEventQueue.
+     * Enques event to event queue and notifies it asynchronously to
+     * the observers. Ownership of the event is transferred to the queue.
+     * 
+     * @param aEvent the event to enque to the event queue.
+     */
+    void NotifyEventAsyncL( MESMRFieldEvent* aEvent );
+    
+    /**
+     * From MESMRFieldEventQueue.
+     * Removes event from the event queue.
+     * 
+     * @param aEvent the event to remove from the event queue.
+     */
+    void CancelEvent( MESMRFieldEvent* aEvent );
+
+private:
+
+    CESMRFieldEventQueue();
+
+    void ConstructL();
+
+    static TInt NotifyCallBack( TAny* aPtr );
+    
+    void DoNotifyEventAsyncL();
+    
+    TBool HasEvents() const;
+    
+    void Start();
+    
+private: // data
+
+    /**
+     * Observer array
+     */
+    RPointerArray< MESMRFieldEventObserver > iObservers;
+
+    /**
+     * Event queue
+     */
+    RPointerArray< MESMRFieldEvent > iEventQueue;
+    
+    /**
+     * Current observer index
+     */
+    TInt iNotifyIndex;
+    
+    /**
+     * Idle callback. Own.
+     */
+    CIdle* iIdle;
+    };
+
+#endif // CESMRFIELDEVENTQUEUE_H