--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/voiceui/vcommand/inc/headsetbuttonmonitor.h	Wed Sep 01 12:29:17 2010 +0100
@@ -0,0 +1,156 @@
+/*
+* Copyright (c) 2006 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:  DOS Server Monitor Class is used to monitor Audio Accessorries,
+*                and encapsulate the interfaces with DOS Server.
+*
+*/
+
+
+
+#ifndef CHeadsetButtonMonitor_H
+#define CHeadsetButtonMonitor_H
+
+#include <e32base.h>
+#include <dossvrservices.h>
+#include <psvariables.h>		// Property values
+
+
+/**
+* DOS Server Monitor Class is used to monitor Audio Accessorries,
+* and encapsulate the interfaces with DOS Server.
+*/
+class CVoiceProgressDialog;
+class CPlaybackVoiceDialog;
+class CHeadsetButtonMonitor : public CDosEventListenerBase
+    {
+    public: // Constructors and destructor
+
+        /**
+        * The CVoiceTagHeadsetButtonMonitor destructor
+        * @param 
+        * @return 
+        */   
+        virtual ~CHeadsetButtonMonitor();
+
+
+        /**
+        * 2nd phase CVoiceTagHeadsetButtonMonitor constructor
+        * @param aObserver - an observer to be notified when the disruption occurred.
+        * @return a pointer to the new CActiveClass0SMSMonitor object
+        */   
+        static CHeadsetButtonMonitor* NewLC();
+
+
+        /**
+        * 2nd phase CVoiceTagHeadsetButtonMonitor constructor
+        * @param aObserver - an observer to be notified when the disruption occurred.
+        * @return a pointer to the new CActiveClass0SMSMonitor object
+        */   
+        static CHeadsetButtonMonitor* NewL();
+
+    public:
+    
+        /**
+        * Method to handle the registration for Audio Accessories disruption monitor.
+        * @param aDisruptionType - a disruption type to be monitored
+        * @return - Symbian standard error response
+        */   
+        TInt ActivateMonitorL();
+
+
+        /**
+        * Method to handle the deregistration of monitoring class 0 SMS
+        * @param aDisruptionType - a disruption type to be stopped monitoring
+        * @return 
+        */  
+        TInt DeActivateMonitor();
+
+        /**
+        * Method to handle the deregistration of monitoring class 0 SMS
+        * @param aDisruptionType - a disruption type to be stopped monitoring
+        * @return 
+        */  
+        void Register(CVoiceProgressDialog* aProgressObserver,CPlaybackVoiceCommandDialog* aPlaybackObserver);
+
+        /**
+        * Method to handle the deregistration of monitoring class 0 SMS
+        * @param aDisruptionType - a disruption type to be stopped monitoring
+        * @return 
+        */  
+        void DeRegister(CVoiceProgressDialog* aProgressObserver,CPlaybackVoiceCommandDialog* aPlaybackObserver);
+
+
+        /**
+        * Method to cancel the monitoring operation from Dos Server
+        * @param 
+        * @return 
+        */   
+        void CancelMonitor();
+
+    protected:
+
+        /**
+        * It notifies about a change in the status of the headset.
+        * @param aStatus The new status.
+        * @return void
+        */ 
+		void HeadsetButtonChangedL(EPSButtonState aState);
+
+        /**
+        * Handles headset button down operation
+        * @return void
+        */
+        void HandleButtonDown();
+        
+        /**
+        * Handles head set button up operation
+        * return void
+        */
+        void HandleButtonUp();
+        
+        /**
+        * Handles head set button long press down operation
+        * return void
+        */
+        void HandleButtonDownLong();
+
+      private:
+
+        /**
+        * 2nd phase CVoiceTagHeadsetButtonMonitor constructor
+        * @param 
+        * @return 
+        */   
+        void ConstructL();
+
+       /**
+        * The CVoiceTagHeadsetButtonMonitor constructor
+        * @param aObserver - an observer to be notified when the disruption occurred.
+        * @return 
+        */   
+        CHeadsetButtonMonitor ();
+
+    private: // data
+
+        RDosServer                   iDosServerSession;
+        CVoiceProgressDialog*        iProgressObserver;
+        CPlaybackVoiceCommandDialog* iPlaybackObserver;
+        TBool                        iButtonDown;
+    };
+
+
+#endif // CHeadsetButtonMonitor_H
+
+
+// End of File