#!/usr/bin/python
# Print the current tabs from a Firefox sessionstore.js file.
# This lets me see what I've got open even if Firefox isn't running, or
# I don't have access to the display.
# Adam Sampson <ats@offog.org>

import os, sys, json, glob

def dump(fn):
	f = open(fn)
	data = json.load(f)
	f.close()

	for win in data["windows"]:
		for tab in win["tabs"]:
			entries = tab["entries"]
			if entries == []:
				continue

			# This can contain forward history as well.
			# The entry with the "scroll" attribute appears to be
			# the currently-visible entry.
			current = tab["entries"][-1]
			for entry in entries:
				if "scroll" in entry:
					current = entry

			s = ("%s\n  %s\n"
			     % (current.get("title", "(no title)"),
			        current.get("url", "(no URL)")))
			s = s.encode("ASCII", "xmlcharrefreplace")
			sys.stdout.write(s)

if __name__ == "__main__":
	if len(sys.argv) > 1:
		for fn in sys.argv[1:]:
			dump(fn)
	else:
		# Try to find the default profile's sessionstore.js.
		fn = glob.glob(os.environ["HOME"] + "/.mozilla/firefox/*default/sessionstore.js")[0]
		dump(fn)