Uses MatriqueRoom inherited from QMatrixClient::Room and rewrite related

objects.

src/matriqueroom.h

@@ -0,0 +1,43 @@
+#ifndef MATRIQUEROOM_H
+#define MATRIQUEROOM_H
+
+#include "room.h"
+
+#include <QObject>
+
+using namespace QMatrixClient;
+
+class MatriqueRoom : public Room {
+  Q_OBJECT
+  Q_PROPERTY(QString cachedInput READ cachedInput WRITE setCachedInput NOTIFY
+                 cachedInputChanged)
+ public:
+  explicit MatriqueRoom(Connection* connection, QString roomId,
+                        JoinState joinState = {});
+
+  const QString& cachedInput() const { return m_cachedInput; }
+  void setCachedInput(const QString& input) {
+    if (input != m_cachedInput) {
+      m_cachedInput = input;
+      emit cachedInputChanged();
+    }
+  }
+
+ private:
+  QString m_cachedInput = "";
+
+  QString getMIME(const QUrl& fileUrl) const;
+  void postFile(const QUrl& localFile, const QUrl& mxcUrl);
+
+ signals:
+  void cachedInputChanged();
+
+ public slots:
+  void chooseAndUploadFile();
+  void saveFileAs(QString eventId);
+  void acceptInvitation();
+  void rejectInvitation();
+  void forget();
+};
+
+#endif  // MATRIQUEROOM_H