Fix Runner and MatrixImageProvider singletons

src/main.cpp

@@ -223,7 +223,7 @@ int main(int argc, char *argv[])
         });
     }
 
-    engine.addImageProvider(QLatin1String("mxc"), new MatrixImageProvider);
+    engine.addImageProvider(QLatin1String("mxc"), MatrixImageProvider::create(&engine, &engine));
     engine.addImageProvider(QLatin1String("blurhash"), new BlurhashImageProvider);
 
     engine.load(QUrl(QStringLiteral("qrc:/org/kde/neochat/qml/main.qml")));
@@ -236,8 +236,8 @@ int main(int argc, char *argv[])
     }
 
 #ifdef HAVE_RUNNER
-    Runner runner;
+    auto runner = Runner::create(&engine, &engine);
-    QDBusConnection::sessionBus().registerObject("/RoomRunner"_ls, &runner, QDBusConnection::ExportScriptableContents);
+    QDBusConnection::sessionBus().registerObject("/RoomRunner"_ls, runner, QDBusConnection::ExportScriptableContents);
 #endif
 
     QWindow *window = windowFromEngine(&engine);

src/matriximageprovider.h

@@ -60,6 +60,13 @@ class MatrixImageProvider : public QQuickAsyncImageProvider
 
     Q_PROPERTY(NeoChatConnection *connection MEMBER m_connection)
 public:
+    static MatrixImageProvider *create(QQmlEngine *engine, QJSEngine *)
+    {
+        static MatrixImageProvider instance;
+        engine->setObjectOwnership(&instance, QQmlEngine::CppOwnership);
+        return &instance;
+    }
+
     /**
      * @brief Return a job to provide the image with the given ID.
      *
@@ -69,4 +76,5 @@ public:
 
 private:
     NeoChatConnection *m_connection = nullptr;
+    MatrixImageProvider() = default;
 };

src/runner.h

@@ -170,7 +170,12 @@ class Runner : public QObject, protected QDBusContext
 
     Q_PROPERTY(RoomListModel *roomListModel READ roomListModel WRITE setRoomListModel NOTIFY roomListModelChanged)
 public:
-    Runner();
+    static Runner *create(QQmlEngine *engine, QJSEngine *)
+    {
+        static Runner instance;
+        engine->setObjectOwnership(&instance, QQmlEngine::CppOwnership);
+        return &instance;
+    }
 
     /**
      * @brief Return a list of KRunner actions.
@@ -200,4 +205,5 @@ private:
 
     SortFilterRoomListModel m_model;
     RoomListModel m_sourceModel;
+    Runner();
 };