bumblebee-status/modules/contrib/dunst.py

#pylint: disable=C0111,R0903

'''Toggle dunst notifications.'''

import bumblebee.input
import bumblebee.output
import bumblebee.engine


class Module(bumblebee.engine.Module):
    def __init__(self, engine, config):
        super(Module, self).__init__(engine, config,
                bumblebee.output.Widget(full_text='')
        )
        self._paused = False
        # Make sure that dunst is currently not paused
        try:
            bumblebee.util.execute('killall -SIGUSR2 dunst')
        except:
            pass
        engine.input.register_callback(self, button=bumblebee.input.LEFT_MOUSE,
                cmd=self.toggle_status
        )

    def toggle_status(self, event):
        self._paused = not self._paused
        
        try:
            if self._paused:
                bumblebee.util.execute('killall -SIGUSR1 dunst')
            else:
                bumblebee.util.execute('killall -SIGUSR2 dunst')
        except:
            self._paused = not self._paused # toggling failed

    def state(self, widget):
        if self._paused:
            return ['muted', 'warning']
        return ['unmuted']