Overhaul room list sorting

harmonyqml/backend/backend.py

@@ -8,6 +8,7 @@ from typing import Dict, Sequence, Set
 from PyQt5.QtCore import QObject, pyqtProperty, pyqtSlot
 
 from .html_filter import HtmlFilter
+from .model.items import RoomEvent
 from .model.qml_models import QMLModels
 from .pyqt_future import futurize
 
@@ -113,3 +114,22 @@ class Backend(QObject):
         from PyQt5.QtCore import pyqtRemoveInputHook
         pyqtRemoveInputHook()
         pdb.set_trace()
+
+
+    @pyqtSlot("QVariant", str, result=bool)
+    def EventIsOurProfileChanged(self, event: RoomEvent, account_id) -> bool:
+        # pylint: disable=unused-self
+        info     = event.dict.get("content")
+        previous = event.dict.get("prev_content")
+
+        return (
+            event.type == "RoomMemberEvent" and
+            event.dict["sender"] == account_id and
+            bool(info) and
+            bool(previous) and
+            info["membership"] == previous["membership"] and
+            (
+                info.get("displayname") != previous.get("displayname") or
+                info.get("avatar_url") != previous.get("avatar_url")
+            )
+        )