--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/meetingrequest/mrgui/inc/cesmrfieldeventqueue.h Wed Sep 01 12:28:57 2010 +0100
@@ -0,0 +1,130 @@
+/*
+* 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: 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