from builtins import object
# ----------------------------------------------------------------------------
# pyglet
# Copyright (c) 2006-2008 Alex Holkner
# Copyright (c) 2008-2019 pyglet contributors
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#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
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#  * Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#  * Redistributions in binary form must reproduce the above copyright
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#    the documentation and/or other materials provided with the
#    distribution.
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#    derived from this software without specific prior written
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#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# ----------------------------------------------------------------------------

import time

import pyglet


class MediaEvent(object):
    """Representation of a media event.

    These events are used internally by some audio driver implementation to
    communicate events to the :class:`~pyglet.media.player.Player`.
    One example is the ``on_eos`` event.

    Args:
        timestamp (float): The time where this event happens.
        event (str): Event description.
        *args: Any required positional argument to go along with this event.
    """
    def __init__(self, timestamp, event, *args):
        # Meaning of timestamp is dependent on context; and not seen by
        # application.
        self.timestamp = timestamp
        self.event = event
        self.args = args

    def _sync_dispatch_to_player(self, player):
        pyglet.app.platform_event_loop.post_event(player, self.event, *self.args)
        time.sleep(0)
        # TODO sync with media.dispatch_events

    def __repr__(self):
        return '%s(%r, %r, %r)' % (self.__class__.__name__,
                                   self.timestamp, self.event, self.args)
    
    def __lt__(self, other):
        return hash(self) < hash(other)


