#!/usr/bin/env python

__version__='0.1'
__author__ ='Antonio Cuni <anto.cuni@gmail.com>'
__url__='http://codespeak.net/svn/user/antocuni/desklets/volume.py'

import sys
import alsaaudio

class Mixer(object):

    def __init__(self):
        if 'Master' in alsaaudio.mixers():
            self.mixer = alsaaudio.Mixer('Master')
        else:
            self.mixer = alsaaudio.Mixer('Front')
        self.vol = self.mixer.getvolume()[0]
        self.mute = self.mixer.getmute()[0]

    def up(self):
        self.vol = min(self.vol+5, 100)
        self.mixer.setvolume(self.vol)

    def down(self):
        self.vol = max(self.vol-5, 0)
        self.mixer.setvolume(self.vol)

    def toggle_mute(self):
        self.mute = not self.mute
        self.mixer.setmute(self.mute)

    def get_status(self):
        if self.mute:
            return 'muted'
        if self.vol < 33:
            return 'low'
        if self.vol < 66:
            return 'medium'
        return 'high'


def test(m=None):
    if m is None:
        m = Mixer()

    print "<test_delay 5/>"
    print "<background.color None />"
    #print "<color 'FFFFFFCC' />"
    print "<color '000000CC' />"
    print "<bar_meter.border.color 'FFFFFF00' />"
    print "<bar_meter.color '00FF00FF' />"
    
    name = 'volume-%s.png' % m.get_status()
    print "<image '%s' 16 16 />" % name,
    print m.vol, '%'
    #print "<bar_meter -1 5 %s/>" % m.vol

def click(button):
    m = Mixer()
    if button == '1':   # left click
        m.toggle_mute()
    elif button == '4': # mouse wheel up
        m.up()
    elif button == '5': # mouse wheel down
        m.down()
    test(m)

def main():
    if len(sys.argv) < 2:
        test() # for testing
        return
    action = sys.argv[1]
    args = sys.argv[2:]
    if action == 'test':
        test()
    elif action == 'click':
        click(*args)
    else:
        print 'unexpected action: %s' % action
        test()

if __name__ == '__main__':
    try:
        main()
    except Exception, e:
        print repr(e)
        sys.exit(1)