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// Copyright (C) 2017 Erik Larsson.
// Copyright (C) 2021 David Redondo <qt@david-redondo.de>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qwaylandclientextension.h"
#include "qwaylandclientextension_p.h"
#include <QtWaylandClient/private/qwaylanddisplay_p.h>
#include <QtWaylandClient/private/qwaylandintegration_p.h>
QT_BEGIN_NAMESPACE
using RegistryGlobal = QtWaylandClient::QWaylandDisplay::RegistryGlobal;
QWaylandClientExtensionPrivate::QWaylandClientExtensionPrivate()
{
// Keep the possibility to use a custom waylandIntegration as a plugin,
// but also add the possibility to run it as a QML component.
waylandIntegration = QtWaylandClient::QWaylandIntegration::instance();
if (!waylandIntegration)
waylandIntegration = new QtWaylandClient::QWaylandIntegration();
}
void QWaylandClientExtensionPrivate::globalAdded(const RegistryGlobal &global)
{
Q_Q(QWaylandClientExtension);
if (!active && global.interface == QLatin1String(q->extensionInterface()->name)) {
q->bind(global.registry, global.id, global.version);
active = true;
emit q->activeChanged();
}
}
void QWaylandClientExtensionPrivate::globalRemoved(const RegistryGlobal &global)
{
Q_Q(QWaylandClientExtension);
if (active && global.interface == QLatin1String(q->extensionInterface()->name)) {
active = false;
emit q->activeChanged();
}
}
void QWaylandClientExtension::initialize()
{
Q_D(QWaylandClientExtension);
if (d->active) {
return;
}
const QtWaylandClient::QWaylandDisplay *display = d->waylandIntegration->display();
const auto globals = display->globals();
auto global =
std::find_if(globals.cbegin(), globals.cend(), [this](const RegistryGlobal &global) {
return global.interface == QLatin1String(extensionInterface()->name);
});
if (global != globals.cend()) {
bind(global->registry, global->id, global->version);
d->active = true;
emit activeChanged();
}
}
QWaylandClientExtension::QWaylandClientExtension(const int ver)
: QObject(*new QWaylandClientExtensionPrivate())
{
Q_D(QWaylandClientExtension);
d->version = ver;
auto display = d->waylandIntegration->display();
QObjectPrivate::connect(display, &QtWaylandClient::QWaylandDisplay::globalAdded, d,
&QWaylandClientExtensionPrivate::globalAdded);
QObjectPrivate::connect(display, &QtWaylandClient::QWaylandDisplay::globalRemoved, d,
&QWaylandClientExtensionPrivate::globalRemoved);
// This function uses virtual functions and we don't want it to be called from the constructor.
QMetaObject::invokeMethod(this, "initialize", Qt::QueuedConnection);
}
QWaylandClientExtension::~QWaylandClientExtension()
{
}
QtWaylandClient::QWaylandIntegration *QWaylandClientExtension::integration() const
{
Q_D(const QWaylandClientExtension);
return d->waylandIntegration;
}
int QWaylandClientExtension::version() const
{
Q_D(const QWaylandClientExtension);
return d->version;
}
void QWaylandClientExtension::setVersion(const int ver)
{
Q_D(QWaylandClientExtension);
if (d->version != ver) {
d->version = ver;
emit versionChanged();
}
}
bool QWaylandClientExtension::isActive() const
{
Q_D(const QWaylandClientExtension);
return d->active;
}
QT_END_NAMESPACE
#include "moc_qwaylandclientextension.cpp"
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