#! /usr/bin/env python
#
# October 20, 2004 by Jay Loden: firefox.py
# revised October 28 to check version number for 
# Firefox .9 series
# revised November 11 to work with 1.0 release
#
# jloden@gmail.com	 http://jayloden.com/firepy.htm
#
# call firefox, if firefox is open, open in a new tab
# if not open, open firefox with the url
# if no arguments given, open new instance at homepage
#
# This is released under the GPL and is freely availble

import sys
import os

# change firepath to wherever you installed firefox
firepath = "/usr/local/firefox/firefox"

def chkver():
	v = os.popen(firepath + " -V")
	r = v.readlines()
	v.close()
	ret = 'new'
	for f in r:
		ver = f.find('.9')

		if ver >= 0:
			ret = 'old'
	
	return ret
	
# Launch a new instance at url (if no url, open to default homepage
def newInst(url=""):
        if url == "":
                os.execl(firepath, firepath)
        else:
                os.execl(firepath, firepath, url)
	
# launch url into new tab in existing firefox
def tabIt(url):
	ex = "openURL(%s,new-tab)" % (url)
    #ex = "%s --remote \"openURL(%s,new-tab)\"" % (firepath, url)
    #oldex = "%s -a firefox --remote \"openURL(%s,new-tab)\"" % (firepath, url)

    if chkver() == "old":
        os.spawnl(os.P_NOWAIT, firepath, firepath, "-a", "firefox", "--remote", ex)
        #os.system(oldex)

    else:
        os.spawnl(os.P_NOWAIT, firepath, firepath, "--remote", ex)
        #os.system(ex)

# check if firefox is running, return 1 if yes, 0 if no
def chkstat():
	ps = os.popen('''ps -A''')
	x = ps.readlines()
	ps.close()	
	ret = 0
	for y in x:
   		chk = y.find('firefox')
		
		if chk >= 0:
		 	ret = 1

	return ret


def main():
	if len(sys.argv) == 1:
		newInst()
		sys.exit(0)
	
	if len(sys.argv) == 2:
		if chkstat() == 0:
			newInst(sys.argv[1])
			sys.exit(0)

		elif chkstat() == 1:
			tabIt(sys.argv[1])
			sys.exit(0)
main()