*

public: // Constructors and destructor

    /**

    * Two-phased constructor.

    */

    static CHsAppKeyPlugin* NewL();

    /**

    * Destructor.

    */

    virtual ~CHsAppKeyPlugin();

public: //MHbDeviceDialogObserver interfaces

    void DataReceived( CHbSymbianVariantMap& aData );

    void DeviceDialogClosed( TInt aCompletionCode );

public: // New functions

    /**

    * HandleKeyEventL

    * @since Series 60 Series60_version 3.0

    * @param const TKeyEvent& aKeyEvent, TEventCode aType

    * @return TKeyResponse If key was consumed. Generally it should be, since the KEF calls the plugins only with the right key.

    */

    virtual TKeyResponse HandleKeyEventL( const TKeyEvent& aKeyEvent,

                                          TEventCode aType );

    /**

    * Provides the key events that the plugin wants to listen to.

    * Plugins should overload this method if they are of version 2 or higher.

    * iCode, iScanCode and iModifiers MUST be defined in each TKeyEvent.

    *

    * @since S60 5.1

    * @return array of key events

    */

    void ProvideKeyEventsL( RArray<TKeyEvent>& aKeyEventArray );

private: // Constructors

    /**

    * C++ default constructor.

    */

    CHsAppKeyPlugin();

    /**

    * By default Symbian 2nd phase constructor is private.

    */

    void ConstructL();

private: // helper methods

    void HandleShortPressL();

    void HandleLongPressL();

    void DismissTaskSwitcher();

private: //data

    CEikonEnv* iEikEnv;

    TBool iSecondEvent;

    CHbDeviceDialogSymbian* iDialog;