Process events list client side

matrixgw_frontend/src/widgets/messages/RoomWidget.tsx

@@ -1,9 +1,30 @@
+import React from "react";
+import { MatrixApiEvent } from "../../api/matrix/MatrixApiEvent";
 import type { UsersMap } from "../../api/matrix/MatrixApiProfile";
 import type { Room } from "../../api/matrix/MatrixApiRoom";
+import { RoomEventsManager } from "../../utils/RoomEventsManager";
+import { AsyncWidget } from "../AsyncWidget";
 
 export function RoomWidget(p: {
   room: Room;
   users: UsersMap;
 }): React.ReactElement {
-  return <>room</>;
+  const [roomMgr, setRoomMgr] = React.useState<undefined | RoomEventsManager>();
+
+  const load = async () => {
+    setRoomMgr(undefined);
+    const messages = await MatrixApiEvent.GetRoomEvents(p.room);
+    const mgr = new RoomEventsManager(p.room, messages);
+    setRoomMgr(mgr);
+  };
+
+  return (
+    <AsyncWidget
+      loadKey={p.room.id}
+      ready={!!roomMgr}
+      load={load}
+      errMsg="Failed to load room!"
+      build={() => <>room</>}
+    />
+  );
 }