/*
    This file is part of the Kasten Framework, made within the KDE community.

    Copyright 2006-2007 Friedrich W. H. Kossebau <kossebau@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) version 3, or any
    later version accepted by the membership of KDE e.V. (or its
    successor approved by the membership of KDE e.V.), which shall
    act as a proxy defined in Section 6 of version 3 of the license.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef ABSTRACTVIEW_H
#define ABSTRACTVIEW_H

// lib
#include "kastengui_export.h"
// Kasten core
#include <abstractdocument.h>

class QWidget;


namespace Kasten
{

// TODO: is there a common base for view and document?
class KASTENGUI_EXPORT AbstractView : public AbstractModel
{
    Q_OBJECT

  public:
    explicit AbstractView( AbstractModel* baseModel = 0 );
    virtual ~AbstractView();

  public: // API to be implemented
    virtual void setFocus() = 0;

    virtual QWidget* widget() const = 0;
    virtual bool hasFocus() const = 0;

  Q_SIGNALS:
    // TODO: should be signal the diff? how to say then remote is in synch again?
    // TODO: this signal should be part of AbstractModel?
    void localSyncStateChanged( Kasten::LocalSyncState newState );
    void remoteSyncStateChanged( Kasten::RemoteSyncState newState );
    // view has focus in the window
    void focusChanged( bool hasFocus );
};

}

#endif
