qwaylandpresentationtime_p_p.h

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// Copyright (C) 2021 LG Electronics Inc.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
 
#ifndef QWAYLANDPRESENTATIONTIME_P_P_H
#define QWAYLANDPRESENTATIONTIME_P_P_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include <QtWaylandCompositor/private/qwaylandcompositorextension_p.h>
#include <QtWaylandCompositor/private/qwayland-server-presentation-time.h>
 
#include <QObject>
#include <QPointer>
#include <QMultiMap>
 
QT_BEGIN_NAMESPACE
 
 
class QWaylandSurface;
class QWaylandView;
class QQuickWindow;
 
class PresentationFeedback : public QObject, public QtWaylandServer::wp_presentation_feedback
{
    Q_OBJECT
public:
    PresentationFeedback(QWaylandPresentationTime *, QWaylandSurface *, struct ::wl_client *, uint32_t, int);
 
    void setSurface(QWaylandSurface *);
    QWaylandSurface *surface() { return m_surface; }
 
    void destroy();
    void sendSyncOutput();
 
private Q_SLOTS:
    void discard();
    void onSurfaceCommit();
    void onSurfaceMapped();
    void onWindowChanged();
    void onSync();
    void onSwapped();
    void sendPresented(quint64 sequence, quint64 tv_sec, quint32 tv_nsec, quint32 refresh_nsec);
 
private:
    QWaylandPresentationTime *presentationTime() { return m_presentationTime; }
    void maybeConnectToWindow(QWaylandView *);
    void connectToWindow(QQuickWindow *);
 
    void wp_presentation_feedback_destroy_resource(Resource *resource) override;
 
public:
    QWaylandPresentationTime *m_presentationTime = nullptr;
    QWaylandSurface *m_surface = nullptr;
    QQuickWindow *m_connectedWindow = nullptr;
 
    bool m_committed = false;
    bool m_sync = false;
};
 
class QWaylandPresentationTimePrivate : public QWaylandCompositorExtensionPrivate, public QtWaylandServer::wp_presentation
{
    Q_DECLARE_PUBLIC(QWaylandPresentationTime)
public:
    QWaylandPresentationTimePrivate();
 
protected:
    void wp_presentation_feedback(Resource *resource, struct ::wl_resource *surface, uint32_t callback) override;
    void wp_presentation_bind_resource(Resource *resource) override;
};
 
QT_END_NAMESPACE
 
#endif