File indexing completed on 2024-05-19 16:34:58

 /*
     KWin - the KDE window manager
     This file is part of the KDE project.
 
     SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #include "subsurfacemonitor.h"
 
 #include "wayland/subcompositor_interface.h"
 #include "wayland/surface_interface.h"
 
 using namespace KWaylandServer;
 
 namespace KWin
 {
 
 SubSurfaceMonitor::SubSurfaceMonitor(SurfaceInterface *surface, QObject *parent)
     : QObject(parent)
 {
     registerSurface(surface);
 }
 
 void SubSurfaceMonitor::registerSubSurface(SubSurfaceInterface *subSurface)
 {
     SurfaceInterface *surface = subSurface->surface();
 
     connect(subSurface, &SubSurfaceInterface::positionChanged,
             this, &SubSurfaceMonitor::subSurfaceMoved);
     connect(surface, &SurfaceInterface::sizeChanged,
             this, &SubSurfaceMonitor::subSurfaceResized);
     connect(surface, &SurfaceInterface::mapped,
             this, &SubSurfaceMonitor::subSurfaceMapped);
     connect(surface, &SurfaceInterface::unmapped,
             this, &SubSurfaceMonitor::subSurfaceUnmapped);
     connect(surface, &SurfaceInterface::surfaceToBufferMatrixChanged,
             this, &SubSurfaceMonitor::subSurfaceSurfaceToBufferMatrixChanged);
     connect(surface, &SurfaceInterface::bufferSizeChanged,
             this, &SubSurfaceMonitor::subSurfaceBufferSizeChanged);
     connect(surface, &SurfaceInterface::committed,
             this, [this, subSurface]() {
                 Q_EMIT subSurfaceCommitted(subSurface);
             });
 
     registerSurface(surface);
 }
 
 void SubSurfaceMonitor::unregisterSubSurface(SubSurfaceInterface *subSurface)
 {
     SurfaceInterface *surface = subSurface->surface();
     if (!surface) {
         return;
     }
 
     disconnect(subSurface, nullptr, this, nullptr);
 
     unregisterSurface(surface);
 }
 
 void SubSurfaceMonitor::registerSurface(SurfaceInterface *surface)
 {
     connect(surface, &SurfaceInterface::childSubSurfaceAdded,
             this, &SubSurfaceMonitor::subSurfaceAdded);
     connect(surface, &SurfaceInterface::childSubSurfaceRemoved,
             this, &SubSurfaceMonitor::subSurfaceRemoved);
     connect(surface, &SurfaceInterface::childSubSurfaceAdded,
             this, &SubSurfaceMonitor::registerSubSurface);
     connect(surface, &SurfaceInterface::childSubSurfaceRemoved,
             this, &SubSurfaceMonitor::unregisterSubSurface);
 
     const QList<SubSurfaceInterface *> below = surface->below();
     for (SubSurfaceInterface *childSubSurface : below) {
         registerSubSurface(childSubSurface);
     }
 
     const QList<SubSurfaceInterface *> above = surface->above();
     for (SubSurfaceInterface *childSubSurface : above) {
         registerSubSurface(childSubSurface);
     }
 }
 
 void SubSurfaceMonitor::unregisterSurface(SurfaceInterface *surface)
 {
     disconnect(surface, nullptr, this, nullptr);
 }
 
 } // namespace KWin