/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

#ifndef INAVIGATIONWIDGET_H
#define INAVIGATIONWIDGET_H

#include <coreplugin/id.h>

#include <QObject>
#include <QList>

QT_BEGIN_NAMESPACE
class QToolButton;
class QKeySequence;
class QWidget;
QT_END_NAMESPACE

namespace Core {

struct NavigationView
{
    QWidget *widget;
    QList<QToolButton *> dockToolBarWidgets;
};

class CORE_EXPORT INavigationWidgetFactory : public QObject
{
    Q_OBJECT

public:
    INavigationWidgetFactory() {}

    virtual QString displayName() const = 0;
    virtual int priority() const = 0;
    virtual Id id() const = 0;
    virtual QKeySequence activationSequence() const;
    // This design is not optimal, think about it again once we need to extend it
    // It could be implemented as returning an object which has both the widget
    // and the docktoolbar widgets
    // Similar to how IView
    virtual NavigationView createWidget() = 0;

    // Read and store settings for the widget, created by this factory
    // and being at position position. (The position is important since
    // a certain type of widget could exist multiple times.)
    virtual void saveSettings(int position, QWidget *widget);
    virtual void restoreSettings(int position, QWidget *widget);
};

} // namespace Core

#endif // INAVIGATIONWIDGET_H
