from __future__ import annotations
from typing import TYPE_CHECKING

import uno
from ...events.args.event_args import EventArgs as EventArgs
from ..adapter_base import AdapterBase, GenericArgs as GenericArgs

from com.sun.star.lang import XEventListener

if TYPE_CHECKING:
    from com.sun.star.lang import EventObject


class EventListener(AdapterBase, XEventListener):
    """
    Implementation of base interface

    This listener must be attached manually.

    See Also:
        `API XEventListener <https://api.libreoffice.org/docs/idl/ref/interfacecom_1_1sun_1_1star_1_1lang_1_1XEventListener.html>`_
    """

    def __init__(self, trigger_args: GenericArgs | None = None) -> None:
        """
        Constructor

        Args:
            trigger_args (GenericArgs, Optional): Args that are passed to events when they are triggered.
        """
        super().__init__(trigger_args=trigger_args)

    def disposing(self, event: EventObject) -> None:
        """
        Gets called when the broadcaster is about to be disposed.

        All listeners and all other objects, which reference the broadcaster
        should release the reference to the source. No method should be invoked
        anymore on this object ( including ``XComponent.removeEventListener()`` ).

        This method is called for every listener registration of derived listener
        interfaced, not only for registrations at ``XComponent``.
        """
        self._trigger_event("disposing", event)
