Class CMMFDataPathEventMonitor

class CMMFDataPathEventMonitor : public CActive;

Description

Active object utility class that can be used to monitor a datapath that is running in its own thread for events. If an event occurs, the client will be notified via the MMMFDataPathEventMonitorObserver interface.

Derivation

• CBase - Base class for all classes to be instantiated on the heap

• CActive - The core class of the active object abstraction

• CMMFDataPathEventMonitor - Active object utility class that can be used to monitor a datapath that is running in its own thread for events

Members

Defined in CMMFDataPathEventMonitor:
DoCancel(), NewL(), RunL(), Start(), ~CMMFDataPathEventMonitor()

Inherited from CActive:
Cancel(), Deque(), EPriorityHigh, EPriorityIdle, EPriorityLow, EPriorityStandard, EPriorityUserInput, Extension_(), IsActive(), IsAdded(), Priority(), RunError(), SetActive(), SetPriority(), TPriority, iStatus

Inherited from CBase:
Delete(), operator new()

static IMPORT_C CMMFDataPathEventMonitor *NewL(MMMFDataPathEventMonitorObserver &aObserver, RMMFDataPathProxy &aMMFDataPathProxy);

Description

Constructs a datapath event monitor object.

Parameters

MMMFDataPathEventMonitorObserver &aObserver A reference to the observer of the active object. The observer will be notified when an event occurs. RMMFDataPathProxy &aMMFDataPathProxy A reference to the client datapath proxy class.

Return value

CMMFDataPathEventMonitor * A pointer to the new event monitor.

IMPORT_C ~CMMFDataPathEventMonitor();

Description

Destructor.

Calls Cancel().

IMPORT_C void Start();

Description

Tells the datapath event monitor to start listening for events.

The datapath proxy must have been opened before this method is called.

virtual IMPORT_C void RunL();

Description

Internal active object function.

Starts the data path event monitor and handles an event if there is no error status.

Calls HandleEvent on iObserver.

protected: virtual void DoCancel();

Description

Cancels the outstanding request on iMMFDataPathProxy.