homescreensrv_plat/hswidgetmodel_api/hsiwidgetprovider.h
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Tue, 23 Mar 2010 23:17:02 +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:  HsWidget provider interface.
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*
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*/
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#ifndef HSIWIDGETPROVIDER_H
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#define HSIWIDGETPROVIDER_H
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#include <QtPlugin>
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#include <QList>
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#include <QString>
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#include <QVariant>
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#include <QMetaType>
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/*!
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    \class HsWidgetToken
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    \ingroup group_hswidgetmodel group_widget_api_candidates
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    \brief Represents a home screen widget that can be created. 
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    Home screen widgets are located in widget providers. Each provider
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    exposes its contained widgets as widget tokens. A token has all
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    the needed information for widget selection and creation.
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*/
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class HsWidgetToken
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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 widget.
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*/
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    QString mLibrary;
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/*!
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    Uniquely identifies the widget.
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*/
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    QString mUri;
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/*!
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    Human readable title for GUI purposes.
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*/
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    QString mTitle;
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/*!
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    Identifies widget's icon if it has one.
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*/
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    QString mIconUri;
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/*!
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    The description of the widget.
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*/
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    QString mDescription;
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/*!
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    User data  
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*/
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    QVariant mUserData;
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/*!
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    Uid of the widget
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*/
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    int mUid;
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/*!
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    HsWidget preferences.
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*/
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	QMap<QString,QString> mPreferences;
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};
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class HsWidget;
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/*!
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    \class IHsWidgetProvider
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    \ingroup group_hswidgetmodel group_widget_api_candidates
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    \brief Defines a mechanism for retrieving a home screen widget.
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    Interface that defines a mechanism for retrieving a home screen
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    widget. Each home screen widget provider implements this interface. 
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*/
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class IHsWidgetProvider
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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 ~IHsWidgetProvider() {}
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public:
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/*!
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    Returns contained widgets as a list of widget tokens.
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*/
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    virtual QList<HsWidgetToken> widgets() = 0;
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/*!
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    Creates and returns a widget based on the given \a token.
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*/
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    virtual HsWidget *createWidget(const HsWidgetToken &token) = 0;
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};
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Q_DECLARE_METATYPE(HsWidgetToken)
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Q_DECLARE_INTERFACE(IHsWidgetProvider, "com.nokia.homescreen.iwidgetprovider/1.0")
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#endif