Implement voice & video calls

src/call/callparticipant.h

@@ -0,0 +1,36 @@
+// SPDX-FileCopyrightText: 2023 Tobias Fella <tobias.fella@kde.org>
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <QObject>
+#include <QTimer>
+
+#include "neochatuser.h"
+
+class QQuickItem;
+
+class CallParticipant : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(NeoChatUser *user READ user CONSTANT)
+    Q_PROPERTY(bool hasCamera READ hasCamera NOTIFY hasCameraChanged)
+
+public:
+    NeoChatUser *m_user = nullptr;
+    bool m_hasCamera = false;
+
+    Q_INVOKABLE void initCamera(QQuickItem *item);
+
+    [[nodiscard]] NeoChatUser *user() const;
+
+    [[nodiscard]] bool hasCamera() const;
+
+    explicit CallParticipant(QObject *parent = nullptr);
+
+Q_SIGNALS:
+    void initialized(QQuickItem *item);
+    void heightChanged();
+    void widthChanged();
+    void hasCameraChanged();
+};