fix media sync progress not updating, and issues closing profile

qt/aqt/main.py

@@ -514,11 +514,13 @@ close the profile or restart Anki."""
         self.col.reopen()
 
     def unloadCollection(self, onsuccess: Callable) -> None:
-        def after_sync():
-            self.media_syncer.show_diag_until_finished()
+        def after_media_sync():
             self._unloadCollection()
             onsuccess()
 
+        def after_sync():
+            self.media_syncer.show_diag_until_finished(after_media_sync)
+
         def before_sync():
             self.setEnabled(False)
             self.maybe_auto_sync_on_open_close(after_sync)

qt/aqt/mediasync.py

@@ -6,7 +6,7 @@ from __future__ import annotations
 import time
 from concurrent.futures import Future
 from dataclasses import dataclass
-from typing import List, Optional, Union
+from typing import Callable, List, Optional, Union
 
 import aqt
 from anki.rsbackend import (
@@ -62,7 +62,9 @@ class MediaSyncer:
 
         self._log_and_notify(tr(TR.SYNC_MEDIA_STARTING))
         self._syncing = True
-        self._progress_timer = self.mw.progress.timer(1000, self._on_progress, False)
+        self._progress_timer = self.mw.progress.timer(
+            1000, self._on_progress, True, False
+        )
         gui_hooks.media_sync_did_start_or_stop(True)
 
         def run() -> None:
@@ -121,13 +123,22 @@ class MediaSyncer:
     def show_sync_log(self):
         aqt.dialogs.open("sync_log", self.mw, self)
 
-    def show_diag_until_finished(self):
+    def show_diag_until_finished(self, on_finished: Callable[[], None]):
         # nothing to do if not syncing
         if not self.is_syncing():
-            return
+            return on_finished()
 
         diag: MediaSyncDialog = aqt.dialogs.open("sync_log", self.mw, self, True)
-        diag.exec_()
+        diag.show()
+
+        timer: Optional[QTimer] = None
+
+        def check_finished():
+            if not self.is_syncing():
+                timer.stop()
+                on_finished()
+
+        timer = self.mw.progress.timer(150, check_finished, True, False)
 
     def seconds_since_last_sync(self) -> int:
         if self.is_syncing():