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CLoudnessMessageHandler Class Reference

class CLoudnessMessageHandler : public CMMFObject

This class encapsulates the message handler for the Loudness effect.

Inherits from

CLoudnessMessageHandler
- CMMFObject
  - CBase

Public Member Functions
	~CLoudnessMessageHandler ()
void	EffectChanged (const CAudioEffect *, TUint8 )
void	HandleRequest ( TMMFMessage &)
IMPORT_C CLoudnessMessageHandler *	NewL ( TAny *)

Private Member Functions
	CLoudnessMessageHandler ( CLoudness *)
void	ConstructL ()
void	DoApplyL ( TMMFMessage &)
void	DoGetLoudnessLevelL ( TMMFMessage &)
void	DoHandleRequestL ( TMMFMessage &)
void	DoInitializeL ( TMMFMessage &)
void	DoObserveL ( TMMFMessage &)

Inherited Functions
	CBase::CBase()
	CBase::Delete(CBase *)
	CBase::Extension_(TUint,TAny &,TAny )
	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()
	CMMFObject::CMMFObject(TUid)
	CMMFObject::Handle()
	CMMFObject::operator==(const CMMFObject &)
	CMMFObject::~CMMFObject()

Private Attributes
TSglQue < CEffectDataQueItem > *	iEffectDataQue
CLoudness *	iLoudness
TMMFMessage *	iMessage
TBool	iRegistered

Constructor & Destructor Documentation

CLoudnessMessageHandler(CLoudness *)

CLoudnessMessageHandler

(

CLoudness *

aLoudness

)

[private]

C++ default constructor.

Parameters

CLoudness * aLoudness

~CLoudnessMessageHandler()

~CLoudnessMessageHandler

(

)

[virtual]

Destructor.

Member Functions Documentation

ConstructL()

void

ConstructL

(

)

[private]

Second phase constructor for this class.

Since: 3.0

DoApplyL(TMMFMessage &)

void

DoApplyL

(

TMMFMessage &

aMessage

)

[private]

Handle applying the Loudness data to the Loudness object

Parameters

TMMFMessage & aMessage

message to be handled

DoGetLoudnessLevelL(TMMFMessage &)

void

DoGetLoudnessLevelL

(

TMMFMessage &

aMessage

)

[private]

Handle getting the Loudness object number of bands data.

Parameters

TMMFMessage & aMessage

message to be handled

DoHandleRequestL(TMMFMessage &)

void

DoHandleRequestL

(

TMMFMessage &

aMessage

)

[private]

Handle the request message

Parameters

TMMFMessage & aMessage

message to be handled

DoInitializeL(TMMFMessage &)

void

DoInitializeL

(

TMMFMessage &

aMessage

)

[private]

Handle initializing the Loudness object with initial data.

Parameters

TMMFMessage & aMessage

message to be handled

DoObserveL(TMMFMessage &)

void

DoObserveL

(

TMMFMessage &

aMessage

)

[private]

Handle observation request messages

Parameters

TMMFMessage & aMessage

message to be handled

EffectChanged(const CAudioEffect *, TUint8)

void	EffectChanged	(	const CAudioEffect *	aAudioEffect,
			TUint8	aEvent
		)

From MLoudnessObserver Changes to Loudness data has occured

Since: 3.0

Parameters

const CAudioEffect * aAudioEffect
TUint8 aEvent	The specific event Id of the effect that changed.

HandleRequest(TMMFMessage &)

void

HandleRequest

(

TMMFMessage &

aMessage

)

[virtual]

Handle the request message

Parameters

TMMFMessage & aMessage

message to be handled

NewL(TAny *)

IMPORT_C CLoudnessMessageHandler *

NewL

(

TAny *

customInterface

)

[static]

Parameters

TAny * customInterface

Member Data Documentation

TSglQue< CEffectDataQueItem > * iEffectDataQue

TSglQue < CEffectDataQueItem > *

iEffectDataQue

[private]

CLoudness * iLoudness

CLoudness *

iLoudness

[private]

TMMFMessage * iMessage

TMMFMessage *

iMessage

[private]

TBool iRegistered

TBool

iRegistered

[private]