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CAknTaskList Class Reference

class CAknTaskList : public CBase

Class for finding out about running applications. This class specialises in locating and identifying root applications, those applications who do not have any parent window group. It can be used along-side TApaTaskList.

Since: Series 60 3.0

Inherits from

CAknTaskList
- CBase

Public Member Functions
	~CAknTaskList()
IMPORT_C TInt	FindChildWgId(TInt)
IMPORT_C TInt	FindParentWgId(TInt)
IMPORT_C TApaTask	FindRootApp(TUid)
IMPORT_C TBool	IsRootWindowGroup(TInt)
IMPORT_C CAknTaskList *	NewL(RWsSession &)
IMPORT_C CAknTaskList *	NewLC(RWsSession &)
IMPORT_C void	UpdateListL()
IMPORT_C const RArray< RWsSession::TWindowGroupChainInfo > &	WgArray()

Private Member Functions
	CAknTaskList(RWsSession &)
void	ConstructL()

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()

Private Attributes
RArray< RWsSession::TWindowGroupChainInfo >	iWgs
RWsSession &	iWs

Constructor & Destructor Documentation

CAknTaskList(RWsSession &)

CAknTaskList

(

RWsSession &

aWsSession

)

[private]

Parameters

RWsSession & aWsSession

~CAknTaskList()

IMPORT_C

~CAknTaskList

(

)

Destructor.

Member Functions Documentation

ConstructL()

void

ConstructL

(

)

[private]

FindChildWgId(TInt)

IMPORT_C TInt

FindChildWgId

(

TInt

aWgId

)

const

Find the child window group. If there is no child, 0 is returned.

Parameters

TInt aWgId

the window group id that you want to find the child of.

FindParentWgId(TInt)

IMPORT_C TInt

FindParentWgId

(

TInt

aWgId

)

const

Find the parent window group. If there is no parent, 0 is returned.

Parameters

TInt aWgId

the window group id that you want to find the parent of.

FindRootApp(TUid)

IMPORT_C TApaTask

FindRootApp

(

TUid

aAppUid

)

const

Find an application with the requested UID 3, which is running as a root application

Parameters

TUid aAppUid

the UID 3 of the target application.

IsRootWindowGroup(TInt)

IMPORT_C TBool

IsRootWindowGroup

(

TInt

aWgId

)

const

Query whether an application's window group is running as a root application.

Parameters

TInt aWgId

the window group identifier of the target application.

NewL(RWsSession &)

IMPORT_C CAknTaskList *

NewL

(

RWsSession &

aWsSession

)

[static]

Factory function

Parameters

RWsSession & aWsSession

an open session to the window server, often from CEikonEnv::WsSession()

NewLC(RWsSession &)

IMPORT_C CAknTaskList *

NewLC

(

RWsSession &

aWsSession

)

[static]

Factory function

Parameters

RWsSession & aWsSession

an open session to the window server, often from CEikonEnv::WsSession()

UpdateListL()

IMPORT_C void

UpdateListL

(

)

Refresh the window group array

WgArray()

IMPORT_C const RArray< RWsSession::TWindowGroupChainInfo > &

WgArray

(

)

const

Accessor for the window group array

Member Data Documentation

RArray< RWsSession::TWindowGroupChainInfo > iWgs

RArray< RWsSession::TWindowGroupChainInfo >

iWgs

[private]

RWsSession & iWs

RWsSession &

iWs

[private]