#!/usr/bin/python

################################################################################
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##      10        20        30        40        50        60        70        80
##
## Info:
##    Example of how to use libnotify correctly
##
## Run:
##    chmod +x icon-value.py
##    ./icon-value.py
##
## Copyright 2014 Canonical Ltd.
##
## Author:
##    Mirco "MacSlow" Mueller <mirco.mueller@canonical.com>
##
## This program is free software: you can redistribute it and/or modify it
## under the terms of the GNU General Public License version 3, as published
## by the Free Software Foundation.
##
## This program is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranties of
## MERCHANTABILITY, SATISFACTORY QUALITY, 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/>.
##
################################################################################

import sys
import time
import pynotify
import example

def pushNotification (icon, value):
    n = pynotify.Notification ("Volume", # for a11y-reasons supply something meaning full
                               "",      # this needs to be empty!
                               icon);
    n.set_hint_int32 ("value", value);
    n.set_hint_string ("x-lomiri-private-synchronous", "true");
    n.set_hint_string ("x-lomiri-non-shaped-icon", "true");
    n.show ()
    return n

def updateNotification (n, icon, value):
    n.clear_hints()
    n.update("Volume", # for a11y-reasons supply something meaning full
             ("", "High Volume")[bool(value > 75)],
             icon);
    n.set_hint_int32 ("value", value);

    if value > 75:
        n.set_hint_string ("x-lomiri-value-bar-tint", "true");
    n.set_hint_string ("x-lomiri-private-synchronous", "true");
    n.set_hint_string ("x-lomiri-non-shaped-icon", "true");
    n.show ()

if __name__ == '__main__':
    if not pynotify.init ("icon-value"):
        sys.exit (1)

    # call this so we can savely use capabilities dictionary later
    example.initCaps ()

    # show what's supported
    example.printCaps ()

    # try the icon-value case
    if example.capabilities['x-lomiri-private-synchronous'] and \
        example.capabilities['x-lomiri-non-shaped-icon'] and \
        example.capabilities['value'] and \
        example.capabilities['x-lomiri-value-bar-tint']:
        n = pushNotification ("audio-volume-muted", 0);
        time.sleep (1)
        updateNotification (n, "audio-volume-low", 25);
        time.sleep (1)
        updateNotification (n, "audio-volume-medium", 50);
        time.sleep (1)
        updateNotification (n, "audio-volume-high", 76);
        time.sleep (1)
        updateNotification (n, "audio-volume-high", 100);
        time.sleep (1)

        # trigger "overshoot"-effect
        updateNotification (n, "audio-volume-high", 100);
        time.sleep (1)
        updateNotification (n, "audio-volume-high", 76);
        time.sleep (1)
        updateNotification (n, "audio-volume-medium", 50);
        time.sleep (1)
        updateNotification (n, "audio-volume-low", 25);
        time.sleep (1)
        updateNotification (n, "audio-volume-muted", 0);
        time.sleep (1)

    else:
        print "The daemon does not support the x-lomiri-private-icon-only, x-lomiri-non-shaped-icon, value and value-hint hints!"
