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/*
SPDX-FileCopyrightText: 2022 Aleix Pol Gonzalez <aleixpol@kde.org>
SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#include "RecordMe.h"
#include <QLoggingCategory>
#include <QQmlApplicationEngine>
#include <QQmlContext>
#include <QTimer>
#include "xdp_dbus_screencast_interface.h"
Q_DECLARE_METATYPE(Stream)
QDebug operator<<(QDebug debug, const Stream& plug)
{
QDebugStateSaver saver(debug);
debug.nospace() << "Stream(id: " << plug.id << ", opts: " << plug.opts << ')';
return debug;
}
const QDBusArgument &operator<<(const QDBusArgument &argument, const Stream &/*stream*/)
{
argument.beginStructure();
// argument << stream.id << stream.opts;
argument.endStructure();
return argument;
}
const QDBusArgument &operator>>(const QDBusArgument &argument, Stream &stream)
{
argument.beginStructure();
argument >> stream.id >> stream.opts;
argument.endStructure();
return argument;
}
const QDBusArgument &operator>>(const QDBusArgument &argument, QList<Stream> &stream)
{
argument.beginArray();
while ( !argument.atEnd() ) {
Stream element;
argument >> element;
stream.append( element );
}
argument.endArray();
return argument;
}
RecordMe::RecordMe(QObject* parent)
: QObject(parent)
, iface(new OrgFreedesktopPortalScreenCastInterface(
QLatin1String("org.freedesktop.portal.Desktop"), QLatin1String("/org/freedesktop/portal/desktop"), QDBusConnection::sessionBus(), this))
, m_durationTimer(new QTimer(this))
, m_handleToken(QStringLiteral("RecordMe%1").arg(QRandomGenerator::global()->generate()))
, m_engine(new QQmlApplicationEngine(this))
{
m_engine->rootContext()->setContextProperty(QStringLiteral("app"), this);
m_engine->load(QUrl(QStringLiteral("qrc:/main.qml")));
// create session
const auto sessionParameters = QVariantMap {
{ QLatin1String("session_handle_token"), m_handleToken },
{ QLatin1String("handle_token"), m_handleToken }
};
auto sessionReply = iface->CreateSession(sessionParameters);
sessionReply.waitForFinished();
if (!sessionReply.isValid()) {
qWarning("Couldn't initialize the remote control session");
exit(1);
return;
}
const bool ret = QDBusConnection::sessionBus().connect(QString(),
sessionReply.value().path(),
QLatin1String("org.freedesktop.portal.Request"),
QLatin1String("Response"),
this,
SLOT(response(uint, QVariantMap)));
if (!ret) {
qWarning() << "failed to create session";
exit(2);
return;
}
qDBusRegisterMetaType<Stream>();
qDBusRegisterMetaType<QList<Stream>>();
m_durationTimer->setSingleShot(true);
}
RecordMe::~RecordMe() = default;
void RecordMe::init(const QDBusObjectPath& path)
{
m_path = path;
{
uint32_t cursor_mode;
if (iface->availableCursorModes() & Metadata) {
cursor_mode = Metadata;
} else {
cursor_mode = Hidden;
}
QVariantMap sourcesParameters = {{QLatin1String("handle_token"), m_handleToken},
{QLatin1String("types"), iface->availableSourceTypes()},
{QLatin1String("multiple"), false}, // for now?
{QLatin1String("cursor_mode"), uint(cursor_mode)},
{QLatin1String("persist_mode"), uint(m_persistMode)}};
if (!m_restoreToken.isEmpty()) {
sourcesParameters[QLatin1String("restore_token")] = m_restoreToken;
}
auto reply = iface->SelectSources(m_path, sourcesParameters);
reply.waitForFinished();
if (reply.isError()) {
qWarning() << "Could not select sources" << reply.error();
exit(1);
return;
}
qDebug() << "select sources done" << reply.value().path();
}
}
void RecordMe::response(uint code, const QVariantMap& results)
{
if (code > 0) {
qWarning() << "error!!!" << code << results;
exit(666);
return;
}
if (results.contains(QLatin1String("restore_token"))) {
qDebug() << "Restore token:" << results[QLatin1String("restore_token")].toString();
}
const auto streamsIt = results.constFind(QStringLiteral("streams"));
if (streamsIt != results.constEnd()) {
QList<Stream> streams;
streamsIt->value<QDBusArgument>() >> streams;
handleStreams(streams);
return;
}
const auto handleIt = results.constFind(QStringLiteral("session_handle"));
if (handleIt != results.constEnd()) {
init(QDBusObjectPath(handleIt->toString()));
return;
}
qDebug() << "params" << results << code;
if (results.isEmpty()) {
start();
return;
}
}
void RecordMe::start()
{
const QVariantMap startParameters = {
{ QLatin1String("handle_token"), m_handleToken }
};
auto reply = iface->Start(m_path, QStringLiteral("org.freedesktop.RecordMe"), startParameters);
reply.waitForFinished();
if (reply.isError()) {
qWarning() << "Could not start stream" << reply.error();
exit(1);
return;
}
qDebug() << "started!" << reply.value().path();
}
void RecordMe::handleStreams(const QList<Stream> &streams)
{
const QVariantMap startParameters = {
{ QLatin1String("handle_token"), m_handleToken }
};
auto reply = iface->OpenPipeWireRemote(m_path, startParameters);
reply.waitForFinished();
if (reply.isError()) {
qWarning() << "Could not start stream" << reply.error();
exit(1);
return;
}
const int fd = reply.value().takeFileDescriptor();
const auto roots = m_engine->rootObjects();
for (const auto &stream : streams) {
for (auto root : roots) {
auto mo = root->metaObject();
qDebug() << "feeding..." << stream.id << fd;
mo->invokeMethod(root,
"addStream",
Q_ARG(QVariant, QVariant::fromValue<quint32>(stream.id)),
Q_ARG(QVariant, m_handleToken),
Q_ARG(QVariant, fd),
Q_ARG(QVariant, true));
}
}
}
void RecordMe::setPersistMode(PersistMode persistMode)
{
m_persistMode = persistMode;
}
void RecordMe::setRestoreToken(const QString &restoreToken)
{
m_restoreToken = restoreToken;
}
void RecordMe::setDuration(int duration)
{
m_durationTimer->setInterval(duration);
}
#include "moc_RecordMe.cpp"
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