/****************************************************************************
**
** Copyright (C) 2017 Jolla Ltd, author: <giulio.camuffo@jollamobile.com>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWaylandCompositor module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QWAYLANDSURFACEVIEW_H
#define QWAYLANDSURFACEVIEW_H

#include <QtWaylandCompositor/QWaylandBufferRef>
#include <QtWaylandCompositor/qtwaylandcompositorglobal.h>

#include <QtCore/QPointF>
#include <QtCore/QObject>

QT_BEGIN_NAMESPACE

class QWaylandSurface;
class QWaylandViewPrivate;
class QWaylandOutput;

class Q_WAYLAND_COMPOSITOR_EXPORT QWaylandView : public QObject
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QWaylandView)
    Q_PROPERTY(QObject *renderObject READ renderObject CONSTANT)
    Q_PROPERTY(QWaylandSurface *surface READ surface WRITE setSurface NOTIFY surfaceChanged)
    Q_PROPERTY(QWaylandOutput *output READ output WRITE setOutput NOTIFY outputChanged)
    Q_PROPERTY(bool bufferLocked READ isBufferLocked WRITE setBufferLocked NOTIFY bufferLockedChanged)
    Q_PROPERTY(bool allowDiscardFrontBuffer READ allowDiscardFrontBuffer WRITE setAllowDiscardFrontBuffer NOTIFY allowDiscardFrontBufferChanged)
    Q_MOC_INCLUDE("qwaylandoutput.h")
public:
    QWaylandView(QObject *renderObject = nullptr, QObject *parent = nullptr);
    ~QWaylandView() override;

    QObject *renderObject() const;

    QWaylandSurface *surface() const;
    void setSurface(QWaylandSurface *surface);

    QWaylandOutput *output() const;
    void setOutput(QWaylandOutput *output);

    virtual void bufferCommitted(const QWaylandBufferRef &buffer, const QRegion &damage);
    virtual bool advance();
    virtual void discardCurrentBuffer();
    virtual QWaylandBufferRef currentBuffer();
    virtual QRegion currentDamage();

    bool isBufferLocked() const;
    void setBufferLocked(bool locked);

    bool allowDiscardFrontBuffer() const;
    void setAllowDiscardFrontBuffer(bool discard);

    void setPrimary();
    bool isPrimary() const;

    struct wl_resource *surfaceResource() const;

Q_SIGNALS:
    void surfaceChanged();
    void surfaceDestroyed();
    void outputChanged();
    void bufferLockedChanged();
    void allowDiscardFrontBufferChanged();
};

QT_END_NAMESPACE

#endif
