bagetmodel/inc/ibagetprovider.h
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Wed, 24 Mar 2010 13:06:03 +0200
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/*
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* Copyright (c) 2009 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:  Baget provider interface.
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*
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*/
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#ifndef IBAGETPROVIDER_H
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#define IBAGETPROVIDER_H
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#include <QtPlugin>
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#include <QVariant>
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/*!
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    \class BagetToken
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    \brief Represents a Baget that can be created.
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    Bagets are located in baget providers. Each provider
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    exposes its contained Bagets as baget tokens. A token has all
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    the needed information for Baget selection and creation.
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*/
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class BagetToken
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{
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public:
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    /*!
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        The name of the library/plugin that contains the Baget.
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    */
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    QString mLibrary;
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    /*!
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        Uniquely identifies the Baget.
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    */
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    QString mUri;
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};
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class Baget;
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/*!
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    \class IBagetProvider
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    \brief Defines a mechanism for retrieving a Baget.
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    Interface that defines a mechanism for retrieving a Baget. 
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    Each Baget provider implements this interface. 
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*/
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class IBagetProvider
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{
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public:
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    /*!
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        Destructor.
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    */
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    virtual ~IBagetProvider() {}
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public:
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    /*!
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        Returns contained Bagets as a list of baget tokens.
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        \return Contained Bagets as tokens.
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    */
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    virtual QList<BagetToken> bagets() = 0;
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    /*!
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        Creates and returns a Baget based on the given token.
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        \param token Identifies the Baget to be created.
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        \return The created Baget or null in failure cases.
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    */
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    virtual Baget *createBaget(const BagetToken &token) = 0;
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};
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Q_DECLARE_METATYPE(BagetToken)
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Q_DECLARE_INTERFACE(IBagetProvider, "com.nokia.baget.ibagetprovider/1.0")
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#endif // IBAGETPROVIDER_H