epoc32/include/hwrmhapticsactuatorobserver.h
branchSymbian2
changeset 2 2fe1408b6811
child 4 837f303aceeb
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/epoc32/include/hwrmhapticsactuatorobserver.h	Tue Mar 16 16:12:26 2010 +0000
     1.3 @@ -0,0 +1,103 @@
     1.4 +/*
     1.5 +* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). 
     1.6 +* All rights reserved.
     1.7 +* This component and the accompanying materials are made available
     1.8 +* under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
     1.9 +* which accompanies this distribution, and is available
    1.10 +* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
    1.11 +*
    1.12 +* Initial Contributors:
    1.13 +* Nokia Corporation - initial contribution.
    1.14 +*
    1.15 +* Contributors:
    1.16 +*
    1.17 +* Description:  This file contains the header of the 
    1.18 +*                MHWRMHapticsActuatorObserver class.
    1.19 +*
    1.20 +*/
    1.21 +
    1.22 +
    1.23 +#ifndef M_HWRMHAPTICSACTUATOROBSERVER_H
    1.24 +#define M_HWRMHAPTICSACTUATOROBSERVER_H
    1.25 +
    1.26 +#include <hwrmlogicalactuators.h>
    1.27 +
    1.28 +/**
    1.29 +* MHWRMHapticsActuatorObserver observer class.
    1.30 +*
    1.31 +* A client should derive from this abstract class to receive
    1.32 +* logical actuator event notifications.
    1.33 +*
    1.34 +* @since S60 5.1
    1.35 +*/
    1.36 +class MHWRMHapticsActuatorObserver
    1.37 +    {
    1.38 +public:
    1.39 + 
    1.40 +    /**
    1.41 +    * @enum THWRMActuatorEvents
    1.42 +    * 
    1.43 +    * Events that can happen to logical actuators.
    1.44 +    */    
    1.45 +    enum THWRMActuatorEvents
    1.46 +        {
    1.47 +        /**
    1.48 +        * This event occurs, when an actuator plugin of a previously
    1.49 +        * unsupported logical actuator type is installed to the device.
    1.50 +        *
    1.51 +        * In practice, this event may occur when the user of the device
    1.52 +        * starts using an external vibra device, which requires the 
    1.53 +        * installation of an actuator plugin currently not present in
    1.54 +        * the device.
    1.55 +        */
    1.56 +        EHWRMActuatorAttached,
    1.57 +        
    1.58 +        /**
    1.59 +        * This event occurs, when an actuator plugin of a previously
    1.60 +        * supported logical actuator type is uninstalled from the device.
    1.61 +        *
    1.62 +        * In practice, this event may occur when the user of the device
    1.63 +        * chooses to stop using an external vibra device, and uninstalls
    1.64 +        * a previously installed actuator plugin.
    1.65 +        */
    1.66 +        EHWRMActuatorDetached,
    1.67 +        
    1.68 +        /**
    1.69 +        * Actuator is currently enabled and it is ready to be used
    1.70 +        * as normal.
    1.71 +        *
    1.72 +        * Enabled/disabled state of an actuator is notified, when the
    1.73 +        * actuator is opened by a client and when the state changes
    1.74 +        * on runtime.
    1.75 +        */
    1.76 +        EHWRMActuatorEnabled,
    1.77 +        
    1.78 +        /**
    1.79 +        * Actuator is currently disabled and it is not able to handle
    1.80 +        * haptics commands. This state of a logical actuator is in most
    1.81 +        * cases relevant only for actuator plugins handling external
    1.82 +        * vibra devices; E.g. connection to the external device may be
    1.83 +        * lost, in which case the plugin is not able to execute incoming
    1.84 +        * commands.
    1.85 +        */
    1.86 +        EHWRMActuatorDisabled, 
    1.87 +        
    1.88 +        /**
    1.89 +        * For sanity checks only e.g. when enumerating actuator events.
    1.90 +        */ 
    1.91 +        EHWRMEventLast    
    1.92 +        };
    1.93 +        
    1.94 +    /**
    1.95 +    * Called when the state of an actuator changes. 
    1.96 +    * 
    1.97 +    * @param aEvent Indicates the type of event.
    1.98 +    * @param aActuator Logical actuator to which the event happened.
    1.99 +    *
   1.100 +    * @since S60 5.1
   1.101 +    */
   1.102 +    virtual void ActuatorEventL( THWRMActuatorEvents aEvent, 
   1.103 +                                 THWRMLogicalActuators aActuator ) = 0;
   1.104 +    };
   1.105 +
   1.106 +#endif // M_HWRMHAPTICSACTUATOROBSERVER_H