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// SPDX-FileCopyrightText: Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later
#pragma once
#include <QObject>
#include <QQmlEngine>
#include <vector>
#include <mtx/events.hpp>
#include <mtx/events/presence.hpp>
class PresenceEmitter final : public QObject
{
Q_OBJECT
QML_NAMED_ELEMENT(Presence)
QML_SINGLETON
public:
PresenceEmitter(QObject *p)
: QObject(p)
{
instance_ = this;
}
static PresenceEmitter *create(QQmlEngine *qmlEngine, QJSEngine *)
{
// The instance has to exist before it is used. We cannot replace it.
Q_ASSERT(instance_);
// The engine has to have the same thread affinity as the singleton.
Q_ASSERT(qmlEngine->thread() == instance_->thread());
// There can only be one engine accessing the singleton.
static QJSEngine *s_engine = nullptr;
if (s_engine)
Q_ASSERT(qmlEngine == s_engine);
else
s_engine = qmlEngine;
QJSEngine::setObjectOwnership(instance_, QJSEngine::CppOwnership);
return instance_;
}
void sync(const std::vector<mtx::events::Event<mtx::events::presence::Presence>> &presences);
Q_INVOKABLE QString userPresence(QString id) const;
Q_INVOKABLE QString userStatus(QString id) const;
signals:
void presenceChanged(QString userid);
private:
inline static PresenceEmitter *instance_ = nullptr;
};
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