#!/usr/bin/env python
#
#   Simple Tab Close Focus - Epiphany Extension
#   Copyright (C) 2006  Stefan Stuhr
#
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY 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, write to the Free Software Foundation, Inc.,
#   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.


import gtk
import epiphany

def tab_parent_set_cb(tab, old_parent, notebook):
	if not old_parent:
		return

	num = notebook.page_num(tab)
	count = notebook.get_n_pages()

	if getattr(tab, "_other_extensions_i_didnt_have_focus", False):
		return

	if count <= 1:
		return
	elif num < count - 1:
		notebook.set_current_page(num + 1)
	else:
		notebook.set_current_page(num - 1)

def attach_tab(window, tab):
	notebook = window.get_notebook()
	tab._stf_tab_parent_set_sig = tab.connect("parent-set", tab_parent_set_cb, notebook)

def detach_tab(window, tab):
	if hasattr(tab, "_stf_tab_parent_set_sig"):
		tab.disconnect(tab._stf_tab_parent_set_sig)
		delattr(tab, "_stf_tab_parent_set_sig")