gajim-plural/src/tabbed_chat_window.py

##	tabbed_chat_window.py
##
## Gajim Team:
##	- Yann Le Boulanger <asterix@lagaule.org>
##	- Vincent Hanquez <tab@snarc.org>
##	- Nikos Kouremenos <kourem@gmail.com>
##
##	Copyright (C) 2003-2005 Gajim Team
##
## 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; version 2 only.
##
## 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.
##

import gtk
import gtk.glade
import pango
import gobject
import time
import urllib
import base64

import dialogs
import chat
import gtkgui_helpers

from common import gajim
from common import helpers
from common import i18n

_ = i18n._
APP = i18n.APP
gtk.glade.bindtextdomain(APP, i18n.DIR)
gtk.glade.textdomain(APP)

GTKGUI_GLADE = 'gtkgui.glade'

class TabbedChatWindow(chat.Chat):
	"""Class for tabbed chat window"""
	def __init__(self, user, plugin, account):
		chat.Chat.__init__(self, plugin, account, 'tabbed_chat_window')
		self.contacts = {}
		self.chatstates = {}
		# keep check for possible paused timeouts per jid
		self.possible_paused_timeout_id = {}
		# keep check for possible inactive timeouts per jid
		self.possible_inactive_timeout_id = {}
		self.new_user(user)
		self.show_title()
		
		# NOTE: if it not a window event, connect in new_user function
		signal_dict = {
'on_tabbed_chat_window_destroy': self.on_tabbed_chat_window_destroy,
'on_tabbed_chat_window_delete_event': self.on_tabbed_chat_window_delete_event,
'on_tabbed_chat_window_focus_in_event': self.on_tabbed_chat_window_focus_in_event,
'on_tabbed_chat_window_focus_out_event': self.on_tabbed_chat_window_focus_out_event,
'on_chat_notebook_key_press_event': self.on_chat_notebook_key_press_event,
'on_chat_notebook_switch_page': self.on_chat_notebook_switch_page, # in chat.py
'on_tabbed_chat_window_motion_notify_event': self.on_tabbed_chat_window_motion_notify_event,
         }

		self.xml.signal_autoconnect(signal_dict)


		if gajim.config.get('saveposition'):
			# get window position and size from config
			self.window.move(gajim.config.get('chat-x-position'),
					gajim.config.get('chat-y-position'))
			self.window.resize(gajim.config.get('chat-width'),
					gajim.config.get('chat-height'))

		# gtk+ doesn't make use of the motion notify on gtkwindow by default
		# so this line adds that
		self.window.set_events(gtk.gdk.POINTER_MOTION_MASK)
		
		self.window.show_all()
	
	def save_var(self, jid):
		'''return the specific variable of a jid, like gpg_enabled
		the return value have to be compatible with wthe one given to load_var'''
		gpg_enabled = self.xmls[jid].get_widget('gpg_togglebutton').get_active()
		return {'gpg_enabled': gpg_enabled}
	
	def load_var(self, jid, var):
		if not self.xmls.has_key(jid):
			return
		self.xmls[jid].get_widget('gpg_togglebutton').set_active(
			var['gpg_enabled'])
		
	def on_tabbed_chat_window_motion_notify_event(self, widget, event):
		'''it gets called no matter if it is the active window or not'''
		if widget.get_property('has-toplevel-focus'):
			# change chatstate only if window is the active one
			self.mouse_over_in_last_5_secs = True
			self.mouse_over_in_last_30_secs = True

	def draw_widgets(self, contact):
		"""draw the widgets in a tab (status_image, contact_button ...)
		according to the the information in the contact variable"""
		jid = contact.jid
		self.set_state_image(jid)
		contact_button = self.xmls[jid].get_widget('contact_button')
		contact_button.set_use_underline(False)
		tb = self.xmls[jid].get_widget('gpg_togglebutton')
		if contact.keyID: # we can do gpg
			tb.set_sensitive(True)
			tt = _('OpenPGP Encryption')
		else:
			tb.set_sensitive(False)
			tt = _('%s has not broadcasted an OpenPGP key nor you have assigned one') % contact.name
		tip = gtk.Tooltips()
		tip.set_tip(self.xmls[jid].get_widget('gpg_eventbox'), tt)

		# add the fat line at the top
		self.draw_name_banner(contact)

	def draw_name_banner(self, contact, chatstate = None):
		'''Draw the fat line at the top of the window that 
		houses the status icon, name, jid, and avatar'''
		# this is the text for the big brown bar
		# some chars need to be escaped..
		jid = contact.jid
		banner_name_label = self.xmls[jid].get_widget('banner_name_label')
		
		name = gtkgui_helpers.escape_for_pango_markup(contact.name)
		
		status = contact.status
		#FIXME: when gtk2.4 is OOOOLD do it via glade2.10+  
		if gtk.pygtk_version >= (2, 6, 0) and gtk.gtk_version >= (2, 6, 0):
			banner_name_label.set_ellipsize(pango.ELLIPSIZE_END)
		#FIXME: remove me when gtk24 is OLD
		elif status is not None and len(status) > 50:
				status = status[:47] + '...'
		status = gtkgui_helpers.escape_for_pango_markup(status)

		#FIXME: uncomment me when we support sending messages to specific resource
		# composing full jid
		#fulljid = jid
		#if self.contacts[jid].resource:
		#	fulljid += '/' + self.contacts[jid].resource
		#label_text = '<span weight="heavy" size="x-large">%s</span>\n%s' \
		#	% (name, fulljid)
		
		
		st = gajim.config.get('chat_state_notifications')
		if chatstate and st in ('composing_only', 'all'):
			if st == 'all':
				chatstate = helpers.get_uf_chatstate(chatstate)
			else: # 'composing_only'
				if chatstate in ('composing', 'paused'):
					# only print composing, paused
					chatstate = helpers.get_uf_chatstate(chatstate)
				else:
					chatstate = ''
			print chatstate
			label_text = \
			'<span weight="heavy" size="x-large">%s</span> %s' % (name, chatstate)
		else:
			label_text = '<span weight="heavy" size="x-large">%s</span>' % name
		
		if status is not None:
			label_text += '\n%s' % status

		# setup the label that holds name and jid
		banner_name_label.set_markup(label_text)
		self.paint_banner(jid)

	def set_avatar(self, vcard):
		if not vcard.has_key('PHOTO'):
			return
		if type(vcard['PHOTO']) != type({}):
			return
		img_decoded = None
		if vcard['PHOTO'].has_key('BINVAL'):
			try:
				img_decoded = base64.decodestring(vcard['PHOTO']['BINVAL'])
			except:
				pass
		elif vcard['PHOTO'].has_key('EXTVAL'):
			url = vcard['PHOTO']['EXTVAL']
			try:
				fd = urllib.urlopen(url)
				img_decoded = fd.read()
			except:
				pass
		if img_decoded:
			pixbufloader = gtk.gdk.PixbufLoader()
			pixbufloader.write(img_decoded)
			pixbuf = pixbufloader.get_pixbuf()
			pixbufloader.close()
			scaled_buf = pixbuf.scale_simple(52, 52, gtk.gdk.INTERP_HYPER)
			x = None
			if self.xmls.has_key(vcard['jid']):
				x = self.xmls[vcard['jid']]
			# it can be xmls[jid/resource] if it's a vcard from pm
			elif self.xmls.has_key(vcard['jid'] + '/' + vcard['resource']):
				x = self.xmls[vcard['jid'] + '/' + vcard['resource']]
			image = x.get_widget('avatar_image')
			image.set_from_pixbuf(scaled_buf)
			image.show_all()

	def set_state_image(self, jid):
		prio = 0
		if gajim.contacts[self.account].has_key(jid):
			contacts_list = gajim.contacts[self.account][jid]
		else:
			contacts_list = [self.contacts[jid]]

		user = contacts_list[0]
		show = user.show
		jid = user.jid
		keyID = user.keyID

		for u in contacts_list:
			if u.priority > prio:
				prio = u.priority
				show = u.show
				keyID = u.keyID
		child = self.childs[jid]
		hb = self.notebook.get_tab_label(child).get_children()[0]
		status_image = hb.get_children()[0]
		state_images = self.plugin.roster.get_appropriate_state_images(jid)
		image = state_images[show]
		banner_status_image = self.xmls[jid].get_widget('banner_status_image')

		if keyID:
			self.xmls[jid].get_widget('gpg_togglebutton').set_sensitive(True)
		else:
			self.xmls[jid].get_widget('gpg_togglebutton').set_sensitive(False)

		if image.get_storage_type() == gtk.IMAGE_ANIMATION:
			banner_status_image.set_from_animation(image.get_animation())
			status_image.set_from_animation(image.get_animation())
		elif image.get_storage_type() == gtk.IMAGE_PIXBUF:
			# make a copy because one will be scaled, one not (tab icon)
			pix = image.get_pixbuf()
			scaled_pix = pix.scale_simple(32, 32, gtk.gdk.INTERP_BILINEAR)
			banner_status_image.set_from_pixbuf(scaled_pix)
			status_image.set_from_pixbuf(pix)

	def on_tabbed_chat_window_delete_event(self, widget, event):
		'''close window'''
		for jid in self.contacts:
			if time.time() - gajim.last_message_time[self.account][jid] < 2:
				# 2 seconds
				dialog = dialogs.ConfirmationDialog(
					_('You just received a new message from "%s"' % jid),
					_('If you close the window, this message will be lost.'))
				if dialog.get_response() != gtk.RESPONSE_OK:
					return True #stop the propagation of the event

		if gajim.config.get('saveposition'):
			# save the window size and position
			x, y = self.window.get_position()
			gajim.config.set('chat-x-position', x)
			gajim.config.set('chat-y-position', y)
			width, height = self.window.get_size()
			gajim.config.set('chat-width', width)
			gajim.config.set('chat-height', height)

	def on_tabbed_chat_window_destroy(self, widget):
		#clean self.plugin.windows[self.account]['chats']
		chat.Chat.on_window_destroy(self, widget, 'chats')

	def on_tabbed_chat_window_focus_in_event(self, widget, event):
		chat.Chat.on_chat_window_focus_in_event(self, widget, event)
		# on focus in, send 'active' chatstate
		self.send_chatstate('active')

	def on_tabbed_chat_window_focus_out_event(self, widget, event):
		'''catch focus out and minimized and send inactive chatstate;
		minimize action also focuses out first so it's catched here'''
		window_state = widget.window.get_state()
		if window_state is None:
			return
		
		# focus-out is also emitted by showing context menu
		# so check to see if we're really not paying attention to window/tab
		# NOTE: if the user changes tab, (switch-tab send inactive to current tab
		# so that's not a problem)
		if self.popup_is_shown is False: # we are outside of the window
			# so no context menu, so send inactive to alls tabs
			for jid in self.xmls:
				self.send_chatstate('inactive', jid)

	def on_chat_notebook_key_press_event(self, widget, event):
		chat.Chat.on_chat_notebook_key_press_event(self, widget, event)

	def on_send_file_menuitem_activate(self, widget):
		jid = self.get_active_jid()
		contact = gajim.get_first_contact_instance_from_jid(self.account, jid)
		self.plugin.windows['file_transfers'].show_file_send_request( 
			self.account, contact)

	def on_add_to_roster_menuitem_activate(self, widget):
		jid = self.get_active_jid()
		dialogs.AddNewContactWindow(self.plugin, self.account, jid)

	def on_send_button_clicked(self, widget):
		"""When send button is pressed: send the current message"""
		jid = self.get_active_jid()
		message_textview = self.xmls[jid].get_widget('message_textview')
		message_buffer = message_textview.get_buffer()
		start_iter = message_buffer.get_start_iter()
		end_iter = message_buffer.get_end_iter()
		message = message_buffer.get_text(start_iter, end_iter, 0)

		# send the message
		self.send_message(message)

		message_buffer.set_text('')

	def remove_tab(self, jid):
		if time.time() - gajim.last_message_time[self.account][jid] < 2:
			dialog = dialogs.ConfirmationDialog(
				_('You just received a new message from "%s"' % jid),
				_('If you close this tab, the message will be lost.'))
			if dialog.get_response() != gtk.RESPONSE_OK:
				return

		# chatstates - window is destroyed, send gone
		self.send_chatstate('gone', jid)
		
		chat.Chat.remove_tab(self, jid, 'chats')
		del self.contacts[jid]
	
	def new_user(self, contact):
		'''when new tab is created'''
		self.names[contact.jid] = contact.name
		self.xmls[contact.jid] = gtk.glade.XML(GTKGUI_GLADE, 'chats_vbox', APP)
		self.childs[contact.jid] = self.xmls[contact.jid].get_widget('chats_vbox')
		self.contacts[contact.jid] = contact

		if contact.jid in gajim.encrypted_chats[self.account]:
			self.xmls[contact.jid].get_widget('gpg_togglebutton').set_active(True)
		
		xm = gtk.glade.XML(GTKGUI_GLADE, 'tabbed_chat_popup_menu', APP)
		xm.signal_autoconnect(self)
		self.tabbed_chat_popup_menu = xm.get_widget('tabbed_chat_popup_menu')
		
		chat.Chat.new_tab(self, contact.jid)
		self.redraw_tab(contact.jid)
		self.draw_widgets(contact)

		#restore previous conversation
		self.restore_conversation(contact.jid)

		#print queued messages
		if gajim.awaiting_messages[self.account].has_key(contact.jid):
			self.read_queue(contact.jid)

		gajim.connections[self.account].request_vcard(contact.jid)
		self.childs[contact.jid].show_all()

		# chatstates
		self.kbd_activity_in_last_5_secs = False
		self.mouse_over_in_last_5_secs = False
		self.mouse_over_in_last_30_secs = False
		self.kbd_activity_in_last_30_secs = False
		
		self.chatstates[contact.jid] = None # our current chatstate with contact
		self.possible_paused_timeout_id[contact.jid] =\
			gobject.timeout_add(5000, self.check_for_possible_paused_chatstate,
				contact)
		self.possible_inactive_timeout_id[contact.jid] =\
			gobject.timeout_add(30000, self.check_for_possible_inactive_chatstate,
				contact)
		
	def handle_incoming_chatstate(self, account, jid, chatstate):
		''' handle incoming chatstate that jid SENT TO us '''
		contact = gajim.get_first_contact_instance_from_jid(account, jid)
		self.draw_name_banner(contact, chatstate)

	def check_for_possible_paused_chatstate(self, contact):
		''' did we move mouse of that window or kbd activity in that window
		in the last 5 seconds?
		if yes we go active for mouse, composing for kbd
		if no we go paused if we were previously composing '''
		current_state = self.chatstates[contact.jid]
		if current_state == False: # jid doesn't support chatstates
			return False # stop looping
		
		if self.mouse_over_in_last_5_secs:
			self.send_chatstate('active')
		elif self.kbd_activity_in_last_5_secs:
			self.send_chatstate('composing')
		else:
			if self.chatstates[contact.jid] == 'composing':
				self.send_chatstate('paused', contact.jid) # pause composing
		
		# assume no activity and let the motion-notify or key_press make them True
		self.mouse_over_in_last_5_secs = False
		self.kbd_activity_in_last_5_secs = False
		
		# refresh 30 seconds or else it's 30 - 5 = 25 seconds!
		self.mouse_over_in_last_30_secs = True
		self.kbd_activity_in_last_30_secs = True
		
		return True # loop forever

	def check_for_possible_inactive_chatstate(self, contact):
		''' did we move mouse over that window or kbd activity in that window
		in the last 30 seconds?
		if yes we go active
		if no we go inactive '''
		current_state = self.chatstates[contact.jid]
		if current_state == False: # jid doesn't support chatstates
			return False # stop looping
		
		if not (self.mouse_over_in_last_30_secs or\
		self.kbd_activity_in_last_30_secs):
			self.send_chatstate('inactive', contact.jid)

		# assume no activity and let the motion-notify or key_press make them True
		self.mouse_over_in_last_5_secs = False
		self.kbd_activity_in_last_5_secs = False
		
		self.mouse_over_in_last_30_secs = False
		self.kbd_activity_in_last_30_secs = False
		
		return True # loop forever

	def on_message_textview_key_press_event(self, widget, event):
		"""When a key is pressed:
		if enter is pressed without the shift key, message (if not empty) is sent
		and printed in the conversation"""

		jid = self.get_active_jid()
		conversation_textview = widget
		message_buffer = conversation_textview.get_buffer()
		start_iter, end_iter = message_buffer.get_bounds()
		message = message_buffer.get_text(start_iter, end_iter, False)

		if event.keyval == gtk.keysyms.ISO_Left_Tab: # SHIFT + TAB
			if event.state & gtk.gdk.CONTROL_MASK: # CTRL + SHIFT + TAB
				self.notebook.emit('key_press_event', event)
		if event.keyval == gtk.keysyms.Tab:
			if event.state & gtk.gdk.CONTROL_MASK: # CTRL + TAB
				self.notebook.emit('key_press_event', event)
		elif event.keyval == gtk.keysyms.Page_Down: # PAGE DOWN
			if event.state & gtk.gdk.CONTROL_MASK: # CTRL + PAGE DOWN
				self.notebook.emit('key_press_event', event)
			elif event.state & gtk.gdk.SHIFT_MASK: # SHIFT + PAGE DOWN
				conversation_textview.emit('key_press_event', event)
		elif event.keyval == gtk.keysyms.Page_Up: # PAGE UP
			if event.state & gtk.gdk.CONTROL_MASK: # CTRL + PAGE UP
				self.notebook.emit('key_press_event', event)
			elif event.state & gtk.gdk.SHIFT_MASK: # SHIFT + PAGE UP
				conversation_textview.emit('key_press_event', event)
		elif event.keyval == gtk.keysyms.Up:
			if event.state & gtk.gdk.CONTROL_MASK: #Ctrl+UP
				self.sent_messages_scroll(jid, 'up', widget.get_buffer())
				return True # override the default gtk+ thing for ctrl+up
		elif event.keyval == gtk.keysyms.Down:
			if event.state & gtk.gdk.CONTROL_MASK: #Ctrl+Down
				self.sent_messages_scroll(jid, 'down', widget.get_buffer())
				return True # override the default gtk+ thing for ctrl+down
		elif event.keyval == gtk.keysyms.Return or \
			event.keyval == gtk.keysyms.KP_Enter: # ENTER
			if gajim.config.get('send_on_ctrl_enter'): 
				if not (event.state & gtk.gdk.CONTROL_MASK):
					return False
			elif (event.state & gtk.gdk.SHIFT_MASK):
					return False
			if gajim.connections[self.account].connected < 2: #we are not connected
				dialogs.ErrorDialog(_('A connection is not available'),
					_('Your message can not be sent until you are connected.')).get_response()
				return True

			# send the message
			self.send_message(message)

			message_buffer.set_text('')
			return True
			
		else:
			# chatstates
			# if really composing (eg. no Ctrl, or alt modifier, send chatstate
			if not (event.state & gtk.gdk.CONTROL_MASK) and not\
				(event.state & gtk.gdk.MOD1_MASK):
				# but what about Shift+ sth ?
				# Shift + 'a' = A so we're composing
				# Shift + Escape is not composing, so we let the gtk+ decide
				# in an workaround way (we could also get somehow the listed shortcuts
				# but I don't know if it's possible)
				
				# get images too (eg. emoticons)
				message = message_buffer.get_slice(start_iter, end_iter, True)
				message = message.strip() # enter and space does not mean writing
				chars_no = len(message)
				gobject.timeout_add(1000, self.check_for_possible_composing,
					message_buffer, jid, chars_no)
				
	def check_for_possible_composing(self, message_buffer, jid, chars_no):
		start_iter, end_iter = message_buffer.get_bounds()
		message = message_buffer.get_slice(start_iter, end_iter, True)
		message = message.strip() # enter and space does not mean writing
		chars_no_after_one_sec = len(message)
		if chars_no != chars_no_after_one_sec:
			# so GTK+ decided key_press was for writing..
			self.kbd_activity_in_last_5_secs = True
			self.kbd_activity_in_last_30_secs = True
			self.send_chatstate('composing', jid)

	def send_chatstate(self, state, jid = None):
		''' sends our chatstate as STANDLONE chat state message (eg. no body)
		to the current tab only if new chatstate is different
		from the previous one'''
		# JEP 85 does not allow resending the same chatstate
		# this function checks for that and just returns so it's safe to call it
		# with same state.
		
		# This functions also checks for violation in state transitions
		# and raises RuntimeException with appropriate message
		# more on that http://www.jabber.org/jeps/jep-0085.html#statechart

		# do not send nothing if we have chat state notifications disabled
		# that means we won't reply to the <active/> from other peer
		# so we do not broadcast jep85 capabalities
		if gajim.config.get('chat_state_notifications') == 'disabled':
			return

		if jid is None:
			jid = self.get_active_jid()
			
		contact = gajim.get_first_contact_instance_from_jid(self.account, jid)

		if contact is None:
			# contact was from pm in MUC, and left the room so contact is None
			# so we cannot send chatstate anymore
			return

		if contact.chatstate is False: # jid cannot do jep85
			return

		# if current state equals previous state, return
		if contact.chatstate == state:
			return

		if contact.chatstate is None:
			# we don't know anything about jid, so return
			# NOTE:
			# send 'active', set current state to 'ask' and return is done
			# in send_message because we need REAL message (with <body>)
			# for that procedure so return to make sure we send only once 'active'
			# until we know peer supports jep85
			return 

		if contact.chatstate == 'ask':
			return

		# prevent going paused if we we were not composing (JEP violation)
		if state == 'paused' and not contact.chatstate == 'composing':
			gajim.connections[self.account].send_message(jid, None, None,
				chatstate = 'active') # go active before
		
		# if we're inactive prevent composing (JEP violation)
		if contact.chatstate == 'inactive' and state == 'composing':
			gajim.connections[self.account].send_message(jid, None, None,
				chatstate = 'active') # go active before

		gajim.connections[self.account].send_message(jid, None, None,
			chatstate = state)
		
	def send_message(self, message):
		"""Send the given message to the active tab"""
		if not message:
			return

		jid = self.get_active_jid()
		contact = gajim.get_first_contact_instance_from_jid(self.account, jid)
		if contact is None:
			# contact was from pm in MUC, and left the room, or we left the room
			room, nick = gajim.get_room_and_nick_from_fjid(jid)
			dialogs.ErrorDialog(_('Sending private message failed'),
				_('You are no longer in room "%s" or "%s" has left.') % \
				(room, nick)).get_response()
			return

		conversation_textview = self.xmls[jid].get_widget('conversation_textview')
		message_textview = self.xmls[jid].get_widget('message_textview')
		message_buffer = message_textview.get_buffer()

		if message != '' or message != '\n':
			self.save_sent_message(jid, message)
			if message == '/clear':
				self.on_clear(None, conversation_textview) # clear conversation
				self.on_clear(None, message_textview) # clear message textview too
				return True
			elif message == '/compact':
				self.set_compact_view(not self.compact_view_current_state)
				self.on_clear(None, message_textview)
				return True
			keyID = ''
			encrypted = False
			if self.xmls[jid].get_widget('gpg_togglebutton').get_active():
				keyID = self.contacts[jid].keyID
				encrypted = True

			chatstates_on = gajim.config.get(
				'chat_state_notifications') != 'disabled'

			chatstate_to_send = None
			
			if chatstates_on and contact is not None:
				if contact.chatstate is None:
					# no info about peer
					# send active to discover chat state capabilities
					# this is here (and not in send_chatstate)
					# because we want it sent with REAL message
					# (not standlone) eg. one that has body
					chatstate_to_send = 'active'
					contact.chatstate = 'ask' # pseudo state

				# if peer supports jep85, send 'active'
				elif contact.chatstate is not False:
					#send active chatstate on every message (as JEP says)
					chatstate_to_send = 'active'
			
			gajim.connections[self.account].send_message(jid, message, keyID,
				chatstate = chatstate_to_send)
			
			contact.chatstate = chatstate_to_send

			message_buffer.set_text('')
			self.print_conversation(message, jid, jid, encrypted = encrypted)

	def on_contact_button_clicked(self, widget):
		jid = self.get_active_jid()
		contact = self.contacts[jid]
		self.plugin.roster.on_info(widget, contact, self.account)

	def read_queue(self, jid):
		"""read queue and print messages containted in it"""
		l = gajim.awaiting_messages[self.account][jid]
		user = self.contacts[jid]
		for event in l:
			self.print_conversation(event[0], jid, tim = event[1],
				encrypted = event[2], contact='print_queue')
			self.plugin.roster.nb_unread -= 1
		self.plugin.roster.show_title()
		del gajim.awaiting_messages[self.account][jid]
		self.plugin.roster.draw_contact(jid, self.account)
		if self.plugin.systray_enabled:
			self.plugin.systray.remove_jid(jid, self.account)
		showOffline = gajim.config.get('showoffline')
		if (user.show == 'offline' or user.show == 'error') and \
			not showOffline:
			if len(gajim.contacts[self.account][jid]) == 1:
				self.plugin.roster.really_remove_contact(user, self.account)

	def print_conversation(self, text, jid, contact = '', tim = None,
		encrypted = False, subject = None):
		"""Print a line in the conversation:
		if contact is set to status: it's a status message
		if contact is set to another value: it's an outgoing message
		if contact is set to print_queue: it is incomming from queue
		if contact is not set: it's an incomming message"""
		user = self.contacts[jid]
		if contact == 'status':
			kind = 'status'
			name = ''
		else:
			ec = gajim.encrypted_chats[self.account]
			if encrypted and jid not in ec:
				msg = _('Encryption enabled')
				chat.Chat.print_conversation_line(self, msg, jid,
					'status', '', tim)
				ec.append(jid)
			if not encrypted and jid in ec:
				msg = _('Encryption disabled')
				chat.Chat.print_conversation_line(self, msg, jid,
					'status', '', tim)
				ec.remove(jid)
			self.xmls[jid].get_widget('gpg_togglebutton').set_active(encrypted)
			if not contact:
				kind = 'incoming'
				name = user.name
			elif contact == 'print_queue': # incoming message, but do not update time
				kind = 'incoming_queue'
				name = user.name
			else:
				kind = 'outgoing'
				name = gajim.nicks[self.account] 
		chat.Chat.print_conversation_line(self, text, jid, kind, name, tim,
			subject = subject)

	def restore_conversation(self, jid):
		# don't restore lines if it's a transport
		is_transport = jid.startswith('aim') or jid.startswith('gadugadu') or\
			jid.startswith('irc') or jid.startswith('icq') or\
			jid.startswith('msn') or jid.startswith('sms') or\
			jid.startswith('yahoo')

		if is_transport:
			return	

		#How many lines to restore and when to time them out
		restore	= gajim.config.get('restore_lines')
		time_out = gajim.config.get('restore_timeout')
		pos		= 0	#position, while reading from history
		size		= 0	#how many lines we alreay retreived
		lines		= []	#we'll need to reverse the lines from history
		count		= gajim.logger.get_no_of_lines(jid)


		if gajim.awaiting_messages[self.account].has_key(jid):
			pos = len(gajim.awaiting_messages[self.account][jid])
		else:
			pos = 0

		now = time.time()
		while size <= restore:
			if pos == count or size > restore - 1:
				#don't try to read beyond history, not read more than required
				break
			
			nb, line = gajim.logger.read(jid, count - 1 - pos, count - pos)
			pos = pos + 1

			if (now - float(line[0][0]))/60 >= time_out:
				#stop looking for messages if we found something too old
				break

			if line[0][1] != 'sent' and line[0][1] != 'recv':
				# we don't want to display status lines, do we?
				continue

			lines.append(line[0])
			size = size + 1

		lines.reverse()
		
		for msg in lines:
			if msg[1] == 'sent':
				kind = 'outgoing'
				name = gajim.nicks[self.account]
			elif msg[1] == 'recv':
				kind = 'incoming'
				name = self.contacts[jid].name

			tim = time.localtime(float(msg[0]))

			text = ':'.join(msg[2:])[:-1] #remove the latest \n
			self.print_conversation_line(text, jid, kind, name, tim,
				['small'], ['small', 'grey'], ['small', 'grey'], False)

		if len(lines):
			self.print_empty_line(jid)