✨ Added blocking/async managers

src/store/managers/async_manager.py

@@ -0,0 +1,41 @@
+from gi.repository import Gio
+
+from src.game import Game
+from src.store.managers.manager import Manager
+from src.utils.task import Task
+
+
+class AsyncManager(Manager):
+    """Manager that can run asynchronously"""
+
+    blocking = False
+    cancellable: Gio.Cancellable = None
+
+    def __init__(self) -> None:
+        super().__init__()
+        self.cancellable = Gio.Cancellable()
+
+    def cancel_tasks(self):
+        """Cancel all tasks for this manager"""
+        self.cancellable.cancel()
+
+    def reset_cancellable(self):
+        """Reset the cancellable for this manager.
+        Already scheduled Tasks will no longer be cancellable."""
+        self.cancellable = Gio.Cancellable()
+
+    def run(self, game: Game) -> None:
+        data = (game,)
+        task = Task.new(self, self.cancellable, self._task_callback, data)
+        task.set_task_data(data)
+        task.run_in_thread(self._task_thread_func)
+
+    def _task_thread_func(self, _task, _source_object, data, cancellable):
+        """Task thread entry point"""
+        game, *_rest = data
+        self.emit("started")
+        self.final_run(game)
+
+    def _task_callback(self, _source_object, _result, _data):
+        """Method run after the async task is done"""
+        self.emit("done")