Collapse all Symbian^3 Application Developer Library

CCamera::CCameraDirectViewFinder Class Reference

class CCamera::CCameraDirectViewFinder : public CBase

CCamera direct view finder class is used to provide support for Direct View Finder functionalities like pause/resume.

Note:

This class is not intended for sub-classing and used to standardise existing varieties of implementations.

This class features are supposed to be meant for the direct viewfinder started using CCamera methods.

If the class methods leave, the output type parameter value is not guaranteed to be valid.

Inherits from

CCamera::CCameraDirectViewFinder
- CBase

Public Member Functions
	~CCameraDirectViewFinder ()
IMPORT_C CCameraDirectViewFinder *	NewL ( CCamera &)
IMPORT_C void	PauseViewFinderDirectL ()
IMPORT_C void	ResumeViewFinderDirectL ()
IMPORT_C TViewFinderState	ViewFinderState ()

Private Member Functions
	CCameraDirectViewFinder ( CCamera &)
void	ConstructL ()
void	SetImplHandle ()

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()

Public Member Enumerations
enum	TViewFinderState { EViewFinderActive , EViewFinderPause , EViewFinderInActive }

Private Attributes
MCameraDirectViewFinder *	iImpl
CCamera &	iOwner

Constructor & Destructor Documentation

CCameraDirectViewFinder(CCamera &)

CCameraDirectViewFinder

(

CCamera &

aOwner

)

[private]

CCameraDirectViewFinder Constructor.

Parameters

CCamera & aOwner

a reference to a CCamera object providing the settings.

~CCameraDirectViewFinder()

IMPORT_C

~CCameraDirectViewFinder

(

)

Destructor

Member Functions Documentation

ConstructL()

void

ConstructL

(

)

[private]

NewL(CCamera &)

IMPORT_C CCameraDirectViewFinder *

NewL

(

CCamera &

aOwner

)

[static]

Factory function for creating the CCameraDirectViewFinder object.

leave: KErrNoMemory Out of memory Or any other system-wide error code.

Parameters

CCamera & aOwner

a reference to a CCamera object providing the settings.

PauseViewFinderDirectL()

IMPORT_C void

PauseViewFinderDirectL

(

)

Pauses the direct viewfinder

leave: KErrNoMemory: Out of memory.

Note:

This will pause the direct viewfinder which is started using the CCamera method.

CCamera::StartViewFinderDirectL(RWsSession& aWs,CWsScreenDevice& aScreenDevice,RWindowBase& aWindow,TRect& aScreenRect) CCamera::StartViewFinderDirectL(RWsSession& aWs,CWsScreenDevice& aScreenDevice,RWindowBase& aWindow,TRect& aScreenRect,TRect& aClipRect)

ResumeViewFinderDirectL()

IMPORT_C void

ResumeViewFinderDirectL

(

)

Resumes the direct viewfinder

leave: KErrNoMemory Out of memory.

Note:

This will resume the direct viewfinder which is started using the CCamera method.

SetImplHandle()

void

SetImplHandle

(

)

[private]

Gets the handle to the implementer's MCameraDirectViewFinder derived class.

ViewFinderState()

IMPORT_C TViewFinderState

ViewFinderState

(

)

const

Gets the current view finder state.

Note:

This will retrieve the state of the direct viewfinder which is started using the CCamera method.

Member Enumerations Documentation

Enum TViewFinderState

Specifies direct viewfinder state.

Enumerators

EViewFinderActive	View Finder is activated
EViewFinderPause	View Finder has been paused
EViewFinderInActive	View Finder has been stopped or hasn't yet started. Default state.

Member Data Documentation

MCameraDirectViewFinder * iImpl

MCameraDirectViewFinder *

iImpl

[private]

CCamera & iOwner

CCamera &

iOwner

[private]