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CAudioEqualizerMessageHandler Class Reference

class CAudioEqualizerMessageHandler : public CMMFObject

This class encapsulates the message handler for the Audio Equalizer effect.

Inherits from

CAudioEqualizerMessageHandler
- CMMFObject
  - CBase

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

Private Member Functions
	CAudioEqualizerMessageHandler(CAudioEqualizer *)
void	ConstructL()
void	DoApplyBandL(TMMFMessage &)
void	DoApplyL(TMMFMessage &)
void	DoGetNumberOfBandsL(TMMFMessage &)
void	DoHandleRequestL(TMMFMessage &)
void	DoInitializeBandL(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
CAudioEqualizer *	iAudioEqualizer
TSglQue< CEffectDataQueItem > *	iEffectDataQue
TMMFMessage *	iMessage
TBool	iRegistered

Constructor & Destructor Documentation

CAudioEqualizerMessageHandler(CAudioEqualizer *)

CAudioEqualizerMessageHandler

(

CAudioEqualizer *

aAudioEqualizer

)

[private]

C++ default constructor.

Parameters

CAudioEqualizer * aAudioEqualizer

~CAudioEqualizerMessageHandler()

~CAudioEqualizerMessageHandler

(

)

[virtual]

Destructor.

Member Functions Documentation

ConstructL()

void

ConstructL

(

)

[private]

Second phase constructor for this class.

Since: 3.0

DoApplyBandL(TMMFMessage &)

void

DoApplyBandL

(

TMMFMessage &

aMessage

)

[private]

Handle applying the AudioEqualizer band data to the AudioEqualizer object

Parameters

TMMFMessage & aMessage

message to be handled

DoApplyL(TMMFMessage &)

void

DoApplyL

(

TMMFMessage &

aMessage

)

[private]

Handle applying the AudioEqualizer data to the AudioEqualizer object

Parameters

TMMFMessage & aMessage

message to be handled

DoGetNumberOfBandsL(TMMFMessage &)

void

DoGetNumberOfBandsL

(

TMMFMessage &

aMessage

)

[private]

Handle getting the AudioEqualizer 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

DoInitializeBandL(TMMFMessage &)

void

DoInitializeBandL

(

TMMFMessage &

aMessage

)

[private]

Handle initializing the AudioEqualizer object with initial band data.

Parameters

TMMFMessage & aMessage

message to be handled

DoInitializeL(TMMFMessage &)

void

DoInitializeL

(

TMMFMessage &

aMessage

)

[private]

Handle initializing the AudioEqualizer 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 MAudioEqualizerObserver Changes to AudioEqualizer 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 CAudioEqualizerMessageHandler *

NewL

(

TAny *

customInterface

)

[static]

Parameters

TAny * customInterface

Member Data Documentation

CAudioEqualizer * iAudioEqualizer

CAudioEqualizer *

iAudioEqualizer

[private]

TSglQue< CEffectDataQueItem > * iEffectDataQue

TSglQue< CEffectDataQueItem > *

iEffectDataQue

[private]

TMMFMessage * iMessage

TMMFMessage *

iMessage

[private]

TBool iRegistered

TBool

iRegistered

[private]