Files
cartridges/src/store/managers/async_manager.py
2023-08-20 14:32:23 +02:00

63 lines
2.1 KiB
Python

# async_manager.py
#
# Copyright 2023 Geoffrey Coulaud
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# SPDX-License-Identifier: GPL-3.0-or-later
from typing import Any, Callable
from gi.repository import Gio
from src.game import Game
from src.store.managers.manager import Manager
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 process_game(
self, game: Game, additional_data: dict, callback: Callable[["Manager"], Any]
) -> None:
"""Create a task to process the game in a separate thread"""
task = Gio.Task.new(None, self.cancellable, self._task_callback, (callback,))
task.run_in_thread(lambda *_: self._task_thread_func((game, additional_data)))
def _task_thread_func(self, data):
"""Task thread entry point"""
game, additional_data, *_rest = data
self.run(game, additional_data)
def _task_callback(self, _source_object, _result, data):
"""Method run after the task is done"""
callback, *_rest = data
callback(self)