ncdengine/inc/ncdsubscriptionmanager.h
author Pat Downey <patd@symbian.org>
Tue, 18 May 2010 13:42:18 +0100
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Merge docml changeset, iby creation mods and sqlite_secure (bug 2548).
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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:   Definition of MNcdSubscriptionManager interface
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*
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*/
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#ifndef M_NCDSUBSCRIPTIONMANAGER_H
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#define M_NCDSUBSCRIPTIONMANAGER_H
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#include "catalogsbase.h"
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#include "ncdinterfaceids.h"
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#include "catalogsarray.h"
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class MNcdSubscription;
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class MNcdSubscriptionOperation;
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class MNcdSubscriptionOperationObserver;
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/**
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 *  Subscription manager interface.
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 *
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 *  This interface describes a subscription manager. Subscription manager
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 *  provides methods for subscription management.
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 *
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 *  
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 */
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class MNcdSubscriptionManager : public virtual MCatalogsBase
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    {
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public:
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    /**
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     * Unique identifier for the interface, required for all MCatalogsBase interfaces.
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     *
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     * 
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     */
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    enum { KInterfaceUid = ENcdSubscriptionManagerUid };
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    /**
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     * Get all subscriptions.
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     *
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     * @note This function should be called to get current and valid list of
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     *       subscriptions after changes to subscriptions.
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     *
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     * 
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     * @return Array of made subscriptions. Counted, Release() must be called
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     *  for each object after use, e.g. with a call to
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     *  RCatalogsArray::ResetAndDestroy()
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     */
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    virtual RCatalogsArray< MNcdSubscription > SubscriptionsL() const = 0;
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    /**
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     * Refresh subscriptions from service providers. 
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     *
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     * 
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     * @param aObserver Operation observer interface.
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     * @return Subscription operation object. Counted, Release() must be called after use.
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     * @exception Leave System wide error code.
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     */
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    virtual MNcdSubscriptionOperation* RefreshSubscriptionsL( 
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        MNcdSubscriptionOperationObserver& aObserver ) = 0;
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protected: // Destruction
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    /**
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     * Destructor.
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     *
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     * @see MCatalogsBase::~MCatalogsBase
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     */
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    virtual ~MNcdSubscriptionManager() {}
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    };
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#endif // M_NCDSUBSCRIPTIONMANAGER_H