/********************************************************************
 KWin - the KDE window manager
 This file is part of the KDE project.

Copyright (C) 2014 Martin Gräßlin <mgraesslin@kde.org>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program 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 General Public License for more details.

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

#include <QList>
#include <QObject>

struct wl_display;
struct wl_event_loop;

namespace KWin
{
namespace WaylandServer
{

class CompositorInterface;
class OutputInterface;
class SeatInterface;
class ShellInterface;

class Display : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QString socketName READ socketName WRITE setSocketName NOTIFY socketNameChanged)
    Q_PROPERTY(bool running READ isRunning NOTIFY runningChanged)
public:
    explicit Display(QObject *parent = nullptr);
    virtual ~Display();

    void setSocketName(const QString &name);
    QString socketName() const;

    quint32 serial();
    quint32 nextSerial();

    void start();
    void terminate();

    operator wl_display*() {
        return m_display;
    }
    operator wl_display*() const {
        return m_display;
    }
    bool isRunning() const {
        return m_running;
    }

    OutputInterface *createOutput(QObject *parent = nullptr);
    void removeOutput(OutputInterface *output);
    const QList<OutputInterface*> &outputs() const {
        return m_outputs;
    }

    CompositorInterface *createCompositor(QObject *parent = nullptr);
    void createShm();
    ShellInterface *createShell(QObject *parent = nullptr);
    SeatInterface *createSeat(QObject *parent = nullptr);

Q_SIGNALS:
    void socketNameChanged(const QString&);
    void runningChanged(bool);
    void aboutToTerminate();

private:
    void flush();
    void setRunning(bool running);
    wl_display *m_display;
    wl_event_loop *m_loop;
    QString m_socketName;
    bool m_running;
    QList<OutputInterface*> m_outputs;
};

}
}

#endif