--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hwrmhaptics/hapticsclient/inc/hwrmhapticsstatusobserver.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,188 @@
+/*
+* Copyright (c) 2008 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:  Haptics status observer header file.
+*
+*/
+
+
+#ifndef HWRMHAPTICSSTATUSOBSERVER_H
+#define HWRMHAPTICSSTATUSOBSERVER_H
+
+#include <e32base.h>
+#include <hwrmhapticsobserver.h>
+#include "hwrmhapticsclientserver.h"
+
+class RHWRMHapticsGenericClient;
+class MHWRMHapticsActuatorObserver;
+
+/**
+ * Active object for observing haptics status changes in the 
+ * haptics server.
+ *
+ * @lib hwrmhapticsclient.lib
+ * @since S60 5.1
+ */
+NONSHARABLE_CLASS( CHWRMHapticsStatusObserver ): public CActive
+    {
+public:
+
+    /**
+     * Two-phased constructor. A newly created instance starts 
+     * immediately listening to status changes.
+     *
+     * @param aHapticsCallback Pointer to a haptics status callback instance. 
+     * If NULL, status values are not notified to the user of haptics client.
+     * @param aActuatorCallback Pointer to a actuator status callback instance. 
+     * If NULL, status values are not notified to the user of haptics client.
+     * @param aClient Open session to haptics server for status value
+     * observation.
+     * @return A pointer to a newly created instance.
+     */
+    static CHWRMHapticsStatusObserver* NewL( 
+                            MHWRMHapticsObserver* aHapticsCallback,
+                            MHWRMHapticsActuatorObserver* aActuatorCallback,
+                            RHWRMHapticsSession* aClient );
+
+    /**
+     * Destructor.
+     */
+    virtual ~CHWRMHapticsStatusObserver();
+
+    /**
+     * Retrieves the current haptics status. 
+     *
+     * @return THWRMHapticsStatus indicating the current haptics status.
+     */
+    MHWRMHapticsObserver::THWRMHapticsStatus CurrentStatus() const;
+
+protected:
+
+    /**
+     * @see CActive
+     */
+    virtual void RunL();
+
+    /**
+     * @see CActive
+     */
+    virtual TInt RunError(TInt aError);
+
+    /**
+     * @see CActive
+     */
+    virtual void DoCancel();
+
+private:
+
+    /**
+     * Constructor.
+     *
+     * @param aHapticsCallback Pointer to haptics status callback instance.
+     * @param aActuatorCallback Pointer to actuator status callback instance.
+     * @param aClient Open session to haptics server for status value
+     * observation.
+     */
+    CHWRMHapticsStatusObserver( MHWRMHapticsObserver* aHapticsCallback,
+                                MHWRMHapticsActuatorObserver* aActuatorCallback,
+                                RHWRMHapticsSession* aClient );
+                                               
+    /**
+     * By default Symbian 2nd phase constructor.
+     */
+    void ConstructL();
+
+    /**
+     * Activates this object and starts observation.
+     */
+    void OrderNotification();
+
+    /**
+     * Based on available callback instances, returns the type
+     * of status notification, which should be used in notification
+     * requests.
+     *
+     * @return Status type to be used in notification requests.
+     */
+    THWRMHapticsStatusTypes NotificationStatusType() const;
+    
+private:
+
+    /**
+     * Internal typedef for haptics status enumeration.
+     */
+    typedef MHWRMHapticsObserver::THWRMHapticsStatus THapticsStatus;
+
+    /**
+     * Internal typedef for actuator event enumeration.
+     */
+    typedef MHWRMHapticsActuatorObserver::THWRMActuatorEvents TActuatorStatus;
+
+private:
+    /** 
+     * Haptics status callback instance. Not owned.
+     */
+    MHWRMHapticsObserver* iHapticsCallback;
+    
+    /** 
+     * Actuator status callback instance. Not owned.
+     */
+    MHWRMHapticsActuatorObserver* iActuatorCallback;
+    
+    /** 
+     * Connection to haptics server. Not owned.
+     */
+    RHWRMHapticsSession* iClient;
+    
+    /**
+     * Last haptics status received.
+     */
+    THapticsStatus iHapticsStatus;
+
+    /**
+     * Last status value received from server. This value can be of 
+     * either THWRMHapticsStatus or THWRMActuatorEvents.
+     */
+    TInt iLastStatus;
+    
+    /**
+     * Indication of which type of status was received the last time.
+     * Also used when sending notification request to indicate what type
+     * of statuses should be notified.
+     */
+    THWRMHapticsStatusTypes iStatusType;
+    
+    /**
+     * Actuator type to which received actuator event is related to.
+     */
+    THWRMLogicalActuators iActuator;
+
+    /**
+     * Status package for async calls.
+     */
+    TPckg<TInt> iStatusPckg;
+
+    /**
+     * Status type package for async calls.
+     */
+    TPckg<THWRMHapticsStatusTypes> iStatusTypePckg;
+
+    /**
+     * Actuator type package for async calls.
+     */
+    TPckg<THWRMLogicalActuators> iActuatorPckg;
+    };
+
+#endif // HWRMHAPTICSSTATUSOBSERVER_H
+
+// End of File