Files
Modus/services/custom_notification.py
T

275 lines
9.3 KiB
Python

# Standard library imports
import json
import os
from typing import List
# Fabric imports
import gi
from gi.repository import GdkPixbuf
import config.data as data
from fabric.core.service import Property, Service, Signal
from fabric.notifications import (
Notification,
NotificationAction,
NotificationImagePixmap,
Notifications,
)
gi.require_version("Gtk", "3.0")
NOTIFICATION_CACHE_FILE = f"{data.CACHE_DIR}/notification"
class CachedNotification(Service):
@classmethod
def create_from_dict(cls, data, **kwargs):
data["timeout"] = 0
self = cls.__new__(cls)
Service.__init__(self, **kwargs)
self._notification = Notification.deserialize(data)
self.cache_id = data["cached-id"]
return self
@Signal
def removed_from_cache(self) -> None: ...
@Property(int, "read-write")
def cache_id(self) -> int:
return self._cache_id
@cache_id.setter
def cache_id(self, cache_id: int):
self._cache_id = cache_id
@Property(str, "readable")
def app_name(self) -> str:
return self._notification.app_name
@Property(str, "readable")
def app_icon(self) -> str:
return self._notification.app_icon
@Property(str, "readable")
def summary(self) -> str:
return self._notification.summary
@Property(str, "readable")
def body(self) -> str:
return self._notification.body
@Property(int, "readable")
def id(self) -> int:
return self._notification.id
@Property(int, "readable")
def replaces_id(self) -> int:
return self._notification.replaces_id
@Property(int, "readable")
def urgency(self) -> int:
return self._notification.urgency
@Property(list[NotificationAction], "readable")
def actions(self) -> list[NotificationAction]:
return self._notification.actions
@Property(NotificationImagePixmap, "readable")
def image_pixmap(self) -> NotificationImagePixmap:
return self._notification.image_pixmap # type: ignore
@Property(str, "readable")
def image_file(self) -> str:
return self._notification.image_file # type: ignore
@Property(GdkPixbuf.Pixbuf, "readable")
def image_pixbuf(self) -> GdkPixbuf.Pixbuf:
if self.image_pixmap:
return self.image_pixmap.as_pixbuf()
if self.image_file and os.path.exists(self.image_file):
try:
return GdkPixbuf.Pixbuf.new_from_file(self.image_file)
except Exception:
# If file can't be loaded, return None
pass
return None # type: ignore
@Property(dict, "readable")
def serialized(self) -> dict:
return {
"cached-id": self.cache_id,
"id": self.id,
"replaces-id": self.replaces_id,
"app-name": self.app_name,
"app-icon": self.app_icon,
"summary": self.summary,
"body": self.body,
"urgency": self.urgency,
"actions": [(action.identifier, action.label) for action in self.actions],
"image-file": self.image_file,
"image-pixmap": (
self.image_pixmap.serialize() if self.image_pixmap else None
),
}
def __init__(self, notification: Notification, cache_id: int, **kwargs):
super().__init__()
self._notification: Notification = notification
self._cache_id = cache_id
def remove_from_cache(self):
self.removed_from_cache.emit()
class CachedNotifications(Notifications):
"""A service to manage the cached notifications."""
@Signal
def clear_all(self) -> None:
"""Signal emitted when notifications are emptied."""
pass
@Signal
def cached_notification_added(self, notification: CachedNotification) -> None:
"""Signal emitted when a notification is cached."""
pass
@Signal
def cached_notification_removed(self, notification: CachedNotification) -> None:
"""Signal emitted when a notification is removed from cache."""
pass
@Property(List[CachedNotification], "readable")
def cached_notifications(self) -> List[CachedNotification]:
"""Return the cached notifications."""
return list(self._cached_notifications.values())
@Property(int, "readable")
def count(self) -> int:
"""Return the count of notifications."""
return self._count
@Property(bool, "read-write", default_value=False)
def dont_disturb(self) -> bool:
"""Return the pause status."""
return self._dont_disturb
@dont_disturb.setter
def dont_disturb(self, value: bool):
"""Set the pause status."""
self._dont_disturb = value
self.notify("dont-disturb")
def __init__(self, **kwargs):
super().__init__()
self._cached_notifications: dict[int, CachedNotification] = {}
self._signal_handlers = {} # Store signal handlers by notification_id
self._dont_disturb = False
self._count = 0
self.load_cached_notifications()
def load_cached_notifications(self) -> dict[int, CachedNotification]:
"""Load cached notifications from a JSON file (deserialization)."""
try:
with open(NOTIFICATION_CACHE_FILE, "r") as file:
data = json.load(file) # Load list of serialized notifications
except (FileNotFoundError, json.JSONDecodeError):
# If file doesn't exist or is corrupted, start with empty list
data = []
for notification in data:
cached_notification = CachedNotification.create_from_dict(notification)
handler_id = cached_notification.connect(
"removed-from-cache",
lambda *args: self.remove_cached_notification(
notification_id=cached_notification.cache_id
),
)
self._signal_handlers[cached_notification.cache_id] = handler_id
self._cached_notifications[cached_notification.cache_id] = (
cached_notification
)
self._count += 1
self.notify("count")
def cache_notifications(self) -> None:
"""Save cached notifications to a JSON file."""
# Ensure cache directory exists
os.makedirs(os.path.dirname(NOTIFICATION_CACHE_FILE), exist_ok=True)
serialized_data = [
notif.serialized for notif in self._cached_notifications.values()
] # Convert to serializable format
with open(NOTIFICATION_CACHE_FILE, "w") as file:
json.dump(serialized_data, file, indent=4)
def clear_all_cached_notifications(self):
"""Empty the notifications."""
for cached_notification in self._cached_notifications.values():
handler_id = self._signal_handlers.pop(cached_notification.cache_id, None)
if handler_id:
cached_notification.disconnect(handler_id)
self._cached_notifications = {}
self.cache_notifications()
self._count = 0
self.notify("count")
self.clear_all.emit()
def notification_added(self, notification_id: int) -> None:
"""Handle notification added and cache it."""
super().notification_added(notification_id)
notification = self.get_notification_from_id(notification_id)
if notification:
# Import here to avoid circular imports
from config import data
# Check if this app should be ignored for history (don't cache)
if notification.app_name in data.NOTIFICATION_IGNORED_APPS_HISTORY:
# Don't cache notifications from ignored apps, but still allow popup display
return
# Cache notifications (except for ignored apps)
# DND only affects popup display, not caching
self._count += 1
cache_id = self._count
cached_notification = CachedNotification(
notification=notification, cache_id=cache_id
)
handler_id = cached_notification.connect(
"removed-from-cache",
lambda *args: self.remove_cached_notification(notification_id=cache_id),
)
self._signal_handlers[cache_id] = handler_id
self._cached_notifications[cache_id] = cached_notification
self.cache_notifications()
self.notify("count")
self.emit("cached-notification-added", cached_notification)
def remove_cached_notification(self, notification_id: int):
"""Remove the notification of given id."""
if notification_id in self._cached_notifications:
cached_notification = self._cached_notifications.pop(
notification_id
) # Remove from cache
self.cache_notifications() # Update JSON
self._count -= 1
self.notify("count")
# Get the stored signal handler ID and disconnect it
handler_id = self._signal_handlers.pop(notification_id, None)
if handler_id:
# Disconnect the signal handler
cached_notification.disconnect(handler_id)
# Emit signal to notify UI that notification was removed
self.emit("cached-notification-removed", cached_notification)
def toggle_dnd(self):
self.dont_disturb = not self.dont_disturb