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/****************************************************************************
** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB.  All rights reserved.
**
** This file is part of the KD Tools library.
**
** Licensees holding valid commercial KD Tools licenses may use this file in
** accordance with the KD Tools Commercial License Agreement provided with
** the Software.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU Lesser General Public License version 2 and version 3 as published by the
** Free Software Foundation and appearing in the file LICENSE.LGPL included.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** Contact info@kdab.com if any conditions of this licensing are not
** clear to you.
**
**********************************************************************/

#ifndef KD_UPDATER_APPLICATION_H
#define KD_UPDATER_APPLICATION_H

#include "kdupdater.h"
#include <QObject>

QT_BEGIN_NAMESPACE
class QUrl;
QT_END_NAMESPACE

namespace KDUpdater
{
    class PackagesInfo;
    class SignatureVerifier;
    class UpdateSourcesInfo;

    class ConfigurationInterface
    {
    public:
        virtual ~ConfigurationInterface();
        virtual QVariant value( const QString& key ) const = 0;
        virtual void setValue( const QString& key, const QVariant& value ) = 0;
    };

    class KDTOOLS_UPDATER_EXPORT Application : public QObject
    {
        Q_OBJECT

    public:
        enum SignatureTarget {
            Metadata,
            Packages
        };

        explicit Application( ConfigurationInterface* config=0, QObject* parent=0);
        ~Application();

        static Application* instance();

        void setApplicationDirectory(const QString& dir);
        QString applicationDirectory() const;

        QString applicationName() const;
        QString applicationVersion() const;
        int compatLevel() const;

        const SignatureVerifier* signatureVerifier( SignatureTarget target ) const;
        void setSignatureVerifier( SignatureTarget target, const SignatureVerifier* verifier );

        void setPackagesXMLFileName(const QString& fileName);
        QString packagesXMLFileName() const;
        PackagesInfo* packagesInfo() const;

        void addUpdateSource( const QString& name, const QString& title, 
                              const QString& description, const QUrl& url, int priority = -1 );

        void setUpdateSourcesXMLFileName(const QString& fileName);
        QString updateSourcesXMLFileName() const;
        UpdateSourcesInfo* updateSourcesInfo() const;

        QStringList filesForDelayedDeletion() const;
        void addFilesForDelayedDeletion( const QStringList& files );
        
    public Q_SLOTS:
        void printError( int errorCode, const QString& error );

    private:
        struct ApplicationData;
        ApplicationData* d;
    };

}

#endif