Fix past events loading error for invited room

TODO.md

@@ -35,6 +35,11 @@
       - Accept/cancel buttons
       - Transitions
 
+  - Restoring UI state:
+    - Sendbox content
+    - Which element was focused
+    - Room member filter field
+
   - Combine events so they take less space
     - After combining is implemented, no need to hide our own profile changes.
   - Room last activity time in RoomDelegate

src/python/matrix_client.py

@@ -212,7 +212,7 @@ class MatrixClient(nio.AsyncClient):
 
 
     async def load_past_events(self, room_id: str) -> bool:
-        if room_id in self.fully_loaded_rooms:
+        if room_id in self.fully_loaded_rooms or room_id in self.invited_rooms:
             return False
 
         await self.first_sync_happened.wait()

src/qml/Chat/Timeline/EventList.qml

@@ -69,16 +69,20 @@ HRectangle {
         // Declaring this as "alias" provides the on... signal
         property real yPos: visibleArea.yPosition
         property bool canLoad: true
-        onYPosChanged: Qt.callLater(loadPastEvents)
+        onYPosChanged: if (canLoad && yPos < 0.1) Qt.callLater(loadPastEvents)
 
         function loadPastEvents() {
-            if (chatPage.invited_id || ! canLoad || yPos > 0.1) { return }
             eventList.canLoad = false
             py.callClientCoro(
                 chatPage.userId, "load_past_events", [chatPage.roomId],
                 moreToLoad => { eventList.canLoad = moreToLoad }
             )
         }
+
+        property string inviter: chatPage.roomInfo.inviter || ""
+        // When an invited room becomes joined, we should now be able to fetch
+        // past events.
+        onInviterChanged: canLoad = true
     }
 
     HNoticePage {

src/qml/Python.qml

@@ -34,7 +34,6 @@ Python {
 
     function saveConfig(backend_attribute, data, callback=null) {
         if (! py.ready) { return }  // config not loaded yet
-        print(backend_attribute, JSON.stringify( data, null, 4))
         callCoro(backend_attribute + ".write", [data], callback)
     }