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// Copyright (C) 2023 The Qt Company Ltd.
// Copyright (C) 2019 Luxoft Sweden AB
// Copyright (C) 2018 Pelagicore AG
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <qqmlinfo.h>
#include "systemframetimerimpl.h"
#include "applicationmanagerwindow.h"
#include "frametimer.h"
#include "inprocesswindow.h"
#if QT_CONFIG(am_multi_process)
# include "waylandwindow.h"
#endif
QT_BEGIN_NAMESPACE_AM
SystemFrameTimerImpl::SystemFrameTimerImpl(FrameTimer *frameTimer)
: FrameTimerImpl(frameTimer)
{ }
bool SystemFrameTimerImpl::connectToSystemWindow(QObject *window)
{
if (qobject_cast<InProcessWindow *>(window)) {
qmlWarning(frameTimer()) << "It makes no sense to measure the FPS of a WindowObject in single-process mode."
" FrameTimer won't operate with the given window.";
return true;
}
#if QT_CONFIG(am_multi_process)
if (auto *wlwin = qobject_cast<WaylandWindow *>(window)) {
auto connectToWaylandSurface = [this](WaylandWindow *waylandWindow) {
if (m_redrawConnection) {
QObject::disconnect(m_redrawConnection);
m_redrawConnection = { };
}
if (auto surface = waylandWindow ? waylandWindow->waylandSurface() : nullptr) {
m_redrawConnection = QObject::connect(surface, &QWaylandQuickSurface::redraw,
frameTimer(), &FrameTimer::reportFrameSwap);
}
};
m_surfaceChangeConnection = QObject::connect(wlwin, &WaylandWindow::waylandSurfaceChanged,
frameTimer(), [=]() {
connectToWaylandSurface(wlwin);
});
connectToWaylandSurface(wlwin);
return true;
}
#endif
return false;
}
void SystemFrameTimerImpl::disconnectFromSystemWindow(QObject *window)
{
Q_UNUSED(window)
#if QT_CONFIG(am_multi_process)
if (m_redrawConnection) {
QObject::disconnect(m_redrawConnection);
m_redrawConnection = { };
}
if (m_surfaceChangeConnection) {
QObject::disconnect(m_surfaceChangeConnection);
m_surfaceChangeConnection = { };
}
#endif
}
QT_END_NAMESPACE_AM
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