Collapse all Symbian^3 Product Developer Library

MNcdSubscription Class Reference

class MNcdSubscription : public MCatalogsBase

Subscription interface.

This interface describes a subscription and provides methods for subscription management.

Inherits from

MNcdSubscription
- MCatalogsBase

Public Member Functions
TBool	CreditLimit(TReal &, TReal &)
TBool	DownloadLimit(TInt &, TInt &)
HBufC8 *	IconL()
TBool	IsObsolete()
const TDesC &	Name()
MNcdNode *	OriginNodeL()
const TDesC &	OriginPurchaseOptionId()
TStatus	SubscriptionStatus()
TType	SubscriptionType()
MNcdSubscriptionOperation *	UnsubscribeL(MNcdSubscriptionOperationObserver &)
TBool	Unsubscribed()
TBool	ValidityTime(TTime &)

Protected Member Functions
	~MNcdSubscription()

Inherited Functions
	MCatalogsBase::AddRef()const
	MCatalogsBase::QueryInterfaceL()
	MCatalogsBase::QueryInterfaceL()const
	MCatalogsBase::QueryInterfaceL(TInt)const
	MCatalogsBase::QueryInterfaceLC()
	MCatalogsBase::QueryInterfaceLC()const
	MCatalogsBase::Release()const
	MCatalogsBase::~MCatalogsBase()

Public Member Enumerations
enum	TStatus { ESubscriptionActive, ESubscriptionExpired }
enum	TType { EPeriodic, EAutomaticContinous }

Inherited Enumerations
	MCatalogsBase:@52

Constructor & Destructor Documentation

~MNcdSubscription()

~MNcdSubscription

(

)

[protected, inline, virtual]

Destructor

Protected so that the implementing object cannot be deleted through this interface by using delete. The destructor of an interface should be set virtual to make sure that the destructors of derived classes will be called when object is destroyed.

Member Functions Documentation

CreditLimit(TReal &, TReal &)

TBool	CreditLimit	(	TReal &	aCreditsLeft,
			TReal &	aTotalCredits
		)	const [pure virtual]

Get subscription credit limit information.

Parameters

TReal & aCreditsLeft	If ETrue is returned, set to current number of credits left in the subscription.
TReal & aTotalCredits	If ETrue is returned, set to total number of credits the subscription originally had after purchase.

DownloadLimit(TInt &, TInt &)

TBool	DownloadLimit	(	TInt &	aDownloadsLeft,
			TInt &	aTotalDownloads
		)	const [pure virtual]

Get subscription download limit information.

Parameters

TInt & aDownloadsLeft	If ETrue is returned, set to current number of downloads left in the subscription.
TInt & aTotalDownloads	If ETrue is returned, set to total number of downloads the subscription originally had after purchase.

IconL()

HBufC8 *

IconL

(

)

const [pure virtual]

Icon getter.

Exceptions

Leave

with KNcdErrorObsolete if this subscription is obsolete. Otherwise leave with System wide error code.

IsObsolete()

TBool

IsObsolete

(

)

const [pure virtual]

Checks whether this subscription is obsolete or not. Subscription becomes obsolete if it is removed while user still has reference to it. Removal can be done for example because the subscription was removed from the server. Obsolete subscription should not be used and valid subscription instances should be retrieved by using SubscriptionsL method from MNcdSubscriptionManager interface.

Name()

const TDesC &

Name

(

)

const [pure virtual]

Name getter.

OriginNodeL()

MNcdNode *

OriginNodeL

(

)

const [pure virtual]

Returns the node that has the purchase option which was used to buy this subscription.

Exceptions

Leave

with KNcdErrorObsolete if this subscription is obsolete. Otherwise leave with System wide error code.

OriginPurchaseOptionId()

const TDesC &

OriginPurchaseOptionId

(

)

const [pure virtual]

Returns an id that identifies the purchaseoption that was used to buy this subscription. Node that has the purchase option identified by the id returned from this function can be queried by using method OriginNodeL() of this class.

SubscriptionStatus()

TStatus

SubscriptionStatus

(

)

const [pure virtual]

Returns the current status for the subscription.

SubscriptionType()

TType

SubscriptionType

(

)

const [pure virtual]

Get type of the subscription.

UnsubscribeL(MNcdSubscriptionOperationObserver &)

MNcdSubscriptionOperation *

UnsubscribeL

(

MNcdSubscriptionOperationObserver &

aObserver

)

[pure virtual]

Unsubscribe a currently valid subscription.

Exceptions

Leave

with KNcdErrorObsolete if this subscription is obsolete. Otherwise leave with System wide error code.

Parameters

MNcdSubscriptionOperationObserver & aObserver

Operation observer interface.

Unsubscribed()

TBool

Unsubscribed

(

)

const [pure virtual]

Returns whether the subscription has been unsubscribed or not.

ValidityTime(TTime &)

TBool

ValidityTime

(

TTime &

aValidUntil

)

const [pure virtual]

Get subscription validity time information.

Parameters

TTime & aValidUntil

Set to time when the subscription expires, if ETrue is returned, otherwise not used. Time given is in local time.

Member Enumerations Documentation

Enum TStatus

Status of the subscription.

Enumerators

ESubscriptionActive	Subscription has been purchased and is still active (validity time/credits/downloads left).
ESubscriptionExpired	Subscription has been purchased, but has expired (out of validity time/credits/downloads).

Enum TType

Type of the subscription renewal method.

Enumerators

EPeriodic	Requires an explicit renewal after expiration.
EAutomaticContinous	Renewed automatically on server side after expiration.