#! /usr/bin/python

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__author__="bjschuma"
__date__ ="$May 11, 2010 11:50:23 PM$"


import gst
from gstreamer import player
from gstreamer import time
from gstreamer.playback import getstate


def duration():
	state = getstate()
	if (state!=gst.STATE_PLAYING) and (state!=gst.STATE_PAUSED):
		return 0
	total = player.query_duration(time)[0]
	return total


def currentpos():
	state = getstate()
	if (state!=gst.STATE_PLAYING) and (state!=gst.STATE_PAUSED):
		return 0
	position = player.query_position(time)[0]
	return position


def getProgress():
	state = getstate()
	if (state!=gst.STATE_PLAYING) and (state!=gst.STATE_PAUSED):
		return 0
	total = duration()
	current = currentpos()
	fraction = float(current) / float(total)
	if fraction < 0.0:
		return 0.0
	elif fraction > 1.0:
		return 1.0
	return fraction


# Seek to the desired percent of the song.
# Fraction is True if prcnt is already a fraction
def seek(prcnt):
	if prcnt < 0:
		prcnt = 0
	elif prcnt > 100:
		prcnt = 1
	elif prcnt > 1:
		prcnt = float(prcnt) / 100.0
	newTime = duration() * prcnt
	player.seek_simple(time,gst.SEEK_FLAG_FLUSH,newTime)
	return 0