Symbian^3 Application Developer Library >

CMMFDataPathEventMonitor Class Reference

class CMMFDataPathEventMonitor : public CActive

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.

Since
7.0s

Inherits from

Public Member Functions
~CMMFDataPathEventMonitor ()
IMPORT_C CMMFDataPathEventMonitor * NewL ( MMMFDataPathEventMonitorObserver &, RMMFDataPathProxy &)
IMPORT_C void RunL ()
IMPORT_C void Start ()
Protected Member Functions
void DoCancel ()
Private Member Functions
CMMFDataPathEventMonitor ( MMMFDataPathEventMonitorObserver &, RMMFDataPathProxy &)
Inherited Functions
CActive::CActive(TInt)
CActive::Cancel()
CActive::Deque()
CActive::Extension_(TUint,TAny *&,TAny *)
CActive::IsActive()const
CActive::IsAdded()const
CActive::Priority()const
CActive::RunError(TInt)
CActive::SetActive()
CActive::SetPriority(TInt)
CActive::~CActive()
CBase::CBase()
CBase::Delete(CBase *)
CBase::operator new(TUint)
CBase::operator new(TUint,TAny *)
CBase::operator new(TUint,TLeave)
CBase::operator new(TUint,TLeave,TUint)
CBase::operator new(TUint,TUint)
CBase::~CBase()
Inherited Enumerations
CActive:TPriority
Private Attributes
TMMFEventPckg iEventPckg
RMMFDataPathProxy & iMMFDataPathProxy
MMMFDataPathEventMonitorObserver & iObserver
Inherited Attributes
CActive::iStatus

Constructor & Destructor Documentation

CMMFDataPathEventMonitor(MMMFDataPathEventMonitorObserver &, RMMFDataPathProxy &)

CMMFDataPathEventMonitor ( MMMFDataPathEventMonitorObserver & aObserver,
RMMFDataPathProxy & aMMFDataPathProxy
) [private]

Constructs a datapath event monitor object.

Since
7.0s

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 datapath proxy class.

~CMMFDataPathEventMonitor()

IMPORT_C ~CMMFDataPathEventMonitor ( )

Destructor.

Calls Cancel() .

Member Functions Documentation

DoCancel()

void DoCancel ( ) [protected, virtual]

Cancels the outstanding request on iMMFDataPathProxy.

Since
7.0s

NewL(MMMFDataPathEventMonitorObserver &, RMMFDataPathProxy &)

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

Constructs a datapath event monitor object.

Since
7.0s

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.

RunL()

IMPORT_C void RunL ( ) [virtual]

Internal active object function.

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

Calls HandleEvent on iObserver.

Since
7.0s

Start()

IMPORT_C void Start ( )

Tells the datapath event monitor to start listening for events.

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

Since
7.0s

Member Data Documentation

TMMFEventPckg iEventPckg

TMMFEventPckg iEventPckg [private]

RMMFDataPathProxy & iMMFDataPathProxy

RMMFDataPathProxy & iMMFDataPathProxy [private]

MMMFDataPathEventMonitorObserver & iObserver

MMMFDataPathEventMonitorObserver & iObserver [private]

Copyright ©2010 Nokia Corporation and/or its subsidiary(-ies).
All rights reserved. Unless otherwise stated, these materials are provided under the terms of the Eclipse Public License v1.0.