##	systray.py
##
## Copyright (C) 2003-2006 Yann Le Boulanger <asterix@lagaule.org>
## Copyright (C) 2003-2004 Vincent Hanquez <tab@snarc.org>
## Copyright (C) 2005-2006 Nikos Kouremenos <nkour@jabber.org>
## Copyright (C) 2005 Dimitur Kirov <dkirov@gmail.com>
## Copyright (C) 2005-2006 Travis Shirk <travis@pobox.com>
## Copyright (C) 2005 Norman Rasmussen <norman@rasmussen.co.za>
##
## 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 gobject
import os

import dialogs
import config
import tooltips
import gtkgui_helpers

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

HAS_SYSTRAY_CAPABILITIES = True

try:
	import egg.trayicon as trayicon	# gnomepythonextras trayicon
except:
	try:
		import trayicon # our trayicon
	except:
		gajim.log.debug('No trayicon module available')
		HAS_SYSTRAY_CAPABILITIES = False

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

GTKGUI_GLADE = 'gtkgui.glade'

class Systray:
	'''Class for icon in the notification area
	This class is both base class (for systraywin32.py) and normal class
	for trayicon in GNU/Linux'''
	
	def __init__(self):
		self.jids = [] # Contain things like [account, jid, type_of_msg]
		self.single_message_handler_id = None
		self.t = None
		self.img_tray = gtk.Image()
		self.status = 'offline'
		self.xml = gtk.glade.XML(GTKGUI_GLADE, 'systray_context_menu', APP)
		self.systray_context_menu = self.xml.get_widget('systray_context_menu')
		self.xml.signal_autoconnect(self)
		self.popup_menus = []

	def set_img(self):
		if len(self.jids) > 0:
			state = 'message'
		else:
			state = self.status
		image = gajim.interface.roster.jabber_state_images['16'][state]
		if image.get_storage_type() == gtk.IMAGE_ANIMATION:
			self.img_tray.set_from_animation(image.get_animation())
		elif image.get_storage_type() == gtk.IMAGE_PIXBUF:
			self.img_tray.set_from_pixbuf(image.get_pixbuf())

	def add_jid(self, jid, account, typ):
		l = [account, jid, typ]
		# We can keep several single message 'cause we open them one by one
		if not l in self.jids or typ == 'normal':
			self.jids.append(l)
			self.set_img()

	def remove_jid(self, jid, account, typ):
		l = [account, jid, typ]
		if l in self.jids:
			self.jids.remove(l)
			self.set_img()

	def change_status(self, global_status):
		''' set tray image to 'global_status' '''
		# change image and status, only if it is different 
		if global_status is not None and self.status != global_status:
			self.status = global_status
		self.set_img()
	
	def start_chat(self, widget, account, jid):
		contact = gajim.contacts.get_first_contact_from_jid(account, jid)
		if gajim.interface.msg_win_mgr.has_window(jid, account):
			gajim.interface.msg_win_mgr.get_window(jid, account).set_active_tab(
				jid, account)
			gajim.interface.msg_win_mgr.get_window(jid, account).window.present()
		elif contact:
			gajim.interface.roster.new_chat(contact, account)
			gajim.interface.msg_win_mgr.get_window(jid, account).set_active_tab(
				jid, account)
	
	def on_single_message_menuitem_activate(self, widget, account):
		dialogs.SingleMessageWindow(account, action = 'send')

	def make_menu(self, event = None):
		'''create chat with and new message (sub) menus/menuitems
		event is None when we're in Windows
		'''

		for m in self.popup_menus:
			m.destroy()

		chat_with_menuitem = self.xml.get_widget('chat_with_menuitem')
		single_message_menuitem = self.xml.get_widget('single_message_menuitem')
		status_menuitem = self.xml.get_widget('status_menu')
		join_gc_menuitem = self.xml.get_widget('join_gc_menuitem')
		
		if self.single_message_handler_id:
			single_message_menuitem.handler_disconnect(
				self.single_message_handler_id)
			self.single_message_handler_id = None

		sub_menu = gtk.Menu()
		self.popup_menus.append(sub_menu)
		status_menuitem.set_submenu(sub_menu)
		
		gc_sub_menu = gtk.Menu() # gc is always a submenu
		join_gc_menuitem.set_submenu(gc_sub_menu)

		# We need our own set of status icons, let's make 'em!
		iconset = gajim.config.get('iconset')
		if not iconset:
			iconset = 'dcraven'
		path = os.path.join(gajim.DATA_DIR, 'iconsets', iconset, '16x16')
		state_images = gajim.interface.roster.load_iconset(path)

		for show in ('online', 'chat', 'away', 'xa', 'dnd', 'invisible'):
			uf_show = helpers.get_uf_show(show, use_mnemonic = True)
			item = gtk.ImageMenuItem(uf_show)
			item.set_image(state_images[show])
			sub_menu.append(item)
			item.connect('activate', self.on_show_menuitem_activate, show)

		item = gtk.SeparatorMenuItem()
		sub_menu.append(item)

		item = gtk.ImageMenuItem(_('_Change Status Message...'))
		path = os.path.join(gajim.DATA_DIR, 'pixmaps', 'kbd_input.png')
		img = gtk.Image()
		img.set_from_file(path)
		item.set_image(img)
		sub_menu.append(item)
		item.connect('activate', self.on_change_status_message_activate)
		connected_accounts = gajim.get_number_of_connected_accounts()
		if connected_accounts < 1:
			item.set_sensitive(False)

		item = gtk.SeparatorMenuItem()
		sub_menu.append(item)

		uf_show = helpers.get_uf_show('offline', use_mnemonic = True)
		item = gtk.ImageMenuItem(uf_show)
		item.set_image(state_images['offline'])
		sub_menu.append(item)
		item.connect('activate', self.on_show_menuitem_activate, 'offline')

		iskey = connected_accounts > 0
		chat_with_menuitem.set_sensitive(iskey)
		single_message_menuitem.set_sensitive(iskey)
		join_gc_menuitem.set_sensitive(iskey)
		
		if connected_accounts >= 2: # 2 or more connections? make submenus
			account_menu_for_chat_with = gtk.Menu()
			chat_with_menuitem.set_submenu(account_menu_for_chat_with)
			self.popup_menus.append(account_menu_for_chat_with)

			account_menu_for_single_message = gtk.Menu()
			single_message_menuitem.set_submenu(account_menu_for_single_message)
			self.popup_menus.append(account_menu_for_single_message)
			
			accounts_list = gajim.contacts.get_accounts()
			accounts_list.sort()
			for account in accounts_list:
				if gajim.connections[account].connected > 1:
					#for chat_with
					item = gtk.MenuItem(_('using account %s') % account)
					account_menu_for_chat_with.append(item)
					group_menu = self.make_groups_submenus_for_chat_with(account)
					self.popup_menus.append(group_menu)
					item.set_submenu(group_menu)

					#for single message
					item = gtk.MenuItem(_('using account %s') % account)
					item.connect('activate',
						self.on_single_message_menuitem_activate, account)
					account_menu_for_single_message.append(item)

					# join gc 
					label = gtk.Label()
					label.set_markup('<u>' + account.upper() +'</u>')
					label.set_use_underline(False)
					gc_item = gtk.MenuItem()
					gc_item.add(label)
					gc_sub_menu.append(gc_item)
					gajim.interface.roster.add_bookmarks_list(gc_sub_menu, account)
				
		elif connected_accounts == 1: # one account
			# one account connected, no need to show 'as jid'
			for account in gajim.connections:
				if gajim.connections[account].connected > 1:
					# for chat_with
					group_menu = self.make_groups_submenus_for_chat_with(account)
					self.popup_menus.append(group_menu)
					chat_with_menuitem.set_submenu(group_menu)
							
					# for single message
					single_message_menuitem.remove_submenu()
					self.single_message_handler_id = single_message_menuitem.connect(
						'activate', self.on_single_message_menuitem_activate, account)

					# join gc
					gajim.interface.roster.add_bookmarks_list(gc_sub_menu, account)
					break # No other connected account
			
		if event is None:
			# None means windows (we explicitly popup in systraywin32.py)
			if self.added_hide_menuitem is False:
				self.systray_context_menu.prepend(gtk.SeparatorMenuItem())
				item = gtk.MenuItem(_('Hide this menu'))
				self.systray_context_menu.prepend(item)
				self.added_hide_menuitem = True
			
		else: # GNU and Unices
			self.systray_context_menu.popup(None, None, None, event.button, event.time)
		self.systray_context_menu.show_all()

	def on_show_all_events_menuitem_activate(self, widget):
		for i in range(len(self.jids)):
			self.handle_first_event()

	def on_show_roster_menuitem_activate(self, widget):
		win = gajim.interface.roster.window
		win.present()

	def on_preferences_menuitem_activate(self, widget):
		if gajim.interface.instances.has_key('preferences'):
			gajim.interface.instances['preferences'].window.present()
		else:
			gajim.interface.instances['preferences'] = config.PreferencesWindow()

	def on_quit_menuitem_activate(self, widget):	
		gajim.interface.roster.on_quit_menuitem_activate(widget)

	def make_groups_submenus_for_chat_with(self, account):
		iconset = gajim.config.get('iconset')
		if not iconset:
			iconset = 'dcraven'
		path = os.path.join(gajim.DATA_DIR, 'iconsets', iconset, '16x16')
		state_images = gajim.interface.roster.load_iconset(path)
		
		groups_menu = gtk.Menu()
		sort_by_show = gajim.config.get('sort_by_show')
		# store contact infos in a table so we can easily sort by group,
		# status and lower.name
		# if we sort_by_show : contacts_table = [group, status, lowered name, jid, (real) name]
		# else : contacts_table = [group,  lowered name, status, jid, (real) name]
		contacts_table = []
		show_list = list(gajim.SHOW_LIST) # copy gajim.SHOW_LIST in show_list
		# not in roster is not in this list but we need it
		show_list.append('not in roster')
		for jid in gajim.contacts.get_jid_list(account):
			contact = gajim.contacts.get_contact_with_highest_priority(account,
				jid)
			if contact.show not in ('offline', 'error'):
				if contact.show == 'not in roster':
					# show user in not in roster group
					contact_groups = [_('Not in Roster')]
				elif contact.groups == []: # user has no group, print him in General
					contact_groups = [_('General')]
				else:
					contact_groups = contact.groups
				for group in contact_groups:
					# the user can be in mutiple groups, see in all of them	
					if group == _('Transports'):
						continue
					contact_name =	contact.get_shown_name()
					try:
						show = show_list.index(contact.show)
					except ValueError: # unknown show
						show = 0 # offline
					if sort_by_show: # see comment about contacts_table above
						contacts_table.append ([group, show, contact_name.lower(),
							contact.jid, contact_name])
					else:
						contacts_table.append ([group, contact_name.lower(),
						 	show, contact.jid, contact_name])
		
		# Sort : first column before, last column in the end
		# In theory we sort full table, including columns that don't need sorting,
		# but as python sort() seems intelligent the table will be ordered before we
		# sort lasts columns in most case.
		contacts_table.sort() 
				
		previous_group = ''
		for contact_item in contacts_table:
			if sort_by_show: # see comment about contacts_table above
				contact_show = show_list[contact_item[1]]
			else:
				contact_show = show_list[contact_item[2]]
			contact_jid = contact_item[3]
			contact_name = contact_item[4]
			#we don't care about lowered name now
			if contact_item[0] != previous_group:
				# It's a new group, add the submenu
				item = gtk.MenuItem(contact_item[0])
				contacts_menu = gtk.Menu()
				self.popup_menus.append(contacts_menu) 
				item.set_submenu(contacts_menu)
				groups_menu.append(item)
				previous_group = contact_item[0]
			# add contact in group submenu
			s = gtkgui_helpers.escape_underscore(contact_name)
			item_contact = gtk.ImageMenuItem(s)
			# any given gtk widget can only be used in one place
			# (here we use it in status menu too)
			# gtk.Image is a widget, it's better we refactor to use
			# gdk.gdk.Pixbuf allover
			img = state_images[contact_show]
			img_copy = gobject.new(gtk.Image, pixbuf=img.get_pixbuf())
			item_contact.set_image(img_copy)
			item_contact.connect('activate', self.start_chat, account,
					contact_jid)
			contacts_menu.append(item_contact)
			
		return groups_menu

	def on_left_click(self):
		win = gajim.interface.roster.window
		if len(self.jids) == 0:
			# no pending events, so toggle visible/hidden for roster window
			if win.get_property('visible'): # visible in ANY virtual desktop?
				win.hide() # we hide it from VD that was visible in
				
				# but we could be in another VD right now. eg vd2
				# and we want not only to hide it in vd1 but also show it in vd2
				gtkgui_helpers.possibly_move_window_in_current_desktop(win)
			else:
				win.present()
		else:
			self.handle_first_event()

	def handle_first_event(self):
		account = self.jids[0][0]
		jid = self.jids[0][1]
		typ = self.jids[0][2]
		gajim.interface.handle_event(account, jid, typ)

	def on_middle_click(self):
		'''middle click raises window to have complete focus (fe. get kbd events)
		but if already raised, it hides it'''
		win = gajim.interface.roster.window
		if win.is_active(): # is it fully raised? (eg does it receive kbd events?)
			win.hide()
		else:
			win.present()

	def on_clicked(self, widget, event):
		self.on_tray_leave_notify_event(widget, None)
		if event.button == 1: # Left click
			self.on_left_click()
		elif event.button == 2: # middle click
			self.on_middle_click()
		elif event.button == 3: # right click
			self.make_menu(event)
	
	def on_show_menuitem_activate(self, widget, show):
		# we all add some fake (we cannot select those nor have them as show)
		# but this helps to align with roster's status_combobox index positions
		l = ['online', 'chat', 'away', 'xa', 'dnd', 'invisible', 'SEPARATOR',
			'CHANGE_STATUS_MSG_MENUITEM', 'SEPARATOR', 'offline']
		index = l.index(show)
		gajim.interface.roster.status_combobox.set_active(index)

	def on_change_status_message_activate(self, widget):
		model = gajim.interface.roster.status_combobox.get_model()
		active = gajim.interface.roster.status_combobox.get_active()
		status = model[active][2].decode('utf-8')
		dlg = dialogs.ChangeStatusMessageDialog(status)
		message = dlg.run()
		if message is not None: # None if user press Cancel
			accounts = gajim.connections.keys()
			for acct in accounts:
				if not gajim.config.get_per('accounts', acct,
					'sync_with_global_status'):
					continue
				show = gajim.SHOW_LIST[gajim.connections[acct].connected]
				gajim.interface.roster.send_status(acct, show, message)

	def show_tooltip(self, widget):
		position = widget.window.get_origin()
		if self.tooltip.id == position:
			size = widget.window.get_size()
			self.tooltip.show_tooltip('', size[1], position[1])
			
	def on_tray_motion_notify_event(self, widget, event):
		wireq=widget.size_request()
		position = widget.window.get_origin()
		if self.tooltip.timeout > 0:
			if self.tooltip.id != position:
				self.tooltip.hide_tooltip()
		if self.tooltip.timeout == 0 and \
			self.tooltip.id != position:
			self.tooltip.id = position
			self.tooltip.timeout = gobject.timeout_add(500,
				self.show_tooltip, widget)
	
	def on_tray_leave_notify_event(self, widget, event):
		position = widget.window.get_origin()
		if self.tooltip.timeout > 0 and \
			self.tooltip.id == position:
			self.tooltip.hide_tooltip()
		
	def show_icon(self):
		if not self.t:
			self.t = trayicon.TrayIcon('Gajim')
			eb = gtk.EventBox()
			# avoid draw seperate bg color in some gtk themes
			eb.set_visible_window(False)
			eb.set_events(gtk.gdk.POINTER_MOTION_MASK)
			eb.connect('button-press-event', self.on_clicked)
			eb.connect('motion-notify-event', self.on_tray_motion_notify_event)
			eb.connect('leave-notify-event', self.on_tray_leave_notify_event)
			self.tooltip = tooltips.NotificationAreaTooltip()

			self.img_tray = gtk.Image()
			eb.add(self.img_tray)
			self.t.add(eb)
			self.set_img()
		self.t.show_all()
	
	def hide_icon(self):
		if self.t:
			self.t.destroy()
			self.t = None