gajim-plural/gajim/adhoc_commands.py

646 lines
22 KiB
Python

# -*- coding: utf-8 -*-
## src/adhoc_commands.py
##
## Copyright (C) 2006 Nikos Kouremenos <kourem AT gmail.com>
## Copyright (C) 2006-2007 Tomasz Melcer <liori AT exroot.org>
## Copyright (C) 2006-2014 Yann Leboulanger <asterix AT lagaule.org>
## Copyright (C) 2008 Jonathan Schleifer <js-gajim AT webkeks.org>
## Stephan Erb <steve-e AT h3c.de>
##
## This file is part of Gajim.
##
## Gajim 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 3 only.
##
## Gajim 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 Gajim. If not, see <http://www.gnu.org/licenses/>.
##
# FIXME: think if we need caching command list. it may be wrong if there will
# be entities that often change the list, it may be slow to fetch it every time
from gi.repository import GLib
from gi.repository import Gtk
import nbxmpp
from gajim.common import app
from gajim.common import dataforms
from gajim import gtkgui_helpers
from gajim import dialogs
from gajim import dataforms_widget
class CommandWindow:
"""
Class for a window for single ad-hoc commands session
Note, that there might be more than one for one account/jid pair in one
moment.
TODO: Maybe put this window into MessageWindow? consider this when it will
be possible to manage more than one window of one.
TODO: Account/jid pair in MessageWindowMgr.
TODO: GTK 2.10 has a special wizard-widget, consider using it...
"""
def __init__(self, account, jid, commandnode=None):
"""
Create new window
"""
# an account object
self.account = app.connections[account]
self.jid = jid
self.commandnode = commandnode
self.data_form_widget = None
self.stage_finish_cb = None
self.stage_back_button_cb = None
self.stage_forward_button_cb = None
self.stage_execute_button_cb = None
self.stage_close_button_cb = None
self.stage_restart_button_cb = None
self.stage_window_delete_cb = None
# retrieving widgets from xml
self.xml = gtkgui_helpers.get_gtk_builder('adhoc_commands_window.ui')
self.window = self.xml.get_object('adhoc_commands_window')
self.window.connect('delete-event',
self.on_adhoc_commands_window_delete_event)
for name in ('restart_button', 'back_button', 'forward_button',
'execute_button', 'finish_button', 'close_button', 'stages_notebook',
'retrieving_commands_stage_vbox', 'command_list_stage_vbox',
'command_list_vbox', 'sending_form_stage_vbox',
'sending_form_progressbar', 'notes_label', 'no_commands_stage_vbox',
'error_stage_vbox', 'error_description_label'):
setattr(self, name, self.xml.get_object(name))
self.initiate()
def initiate(self):
self.pulse_id = None # to satisfy self.setup_pulsing()
self.commandlist = None # a list of (commandname, commanddescription)
# command's data
self.sessionid = None
self.dataform = None
self.allow_stage3_close = False
# creating data forms widget
if self.data_form_widget:
self.sending_form_stage_vbox.remove(self.data_form_widget)
self.data_form_widget.destroy()
self.data_form_widget = dataforms_widget.DataFormWidget()
self.data_form_widget.show()
self.sending_form_stage_vbox.pack_start(self.data_form_widget, True, True, 0)
if self.commandnode:
# Execute command
self.stage3()
else:
# setting initial stage
self.stage1()
# displaying the window
self.window.set_title(_('Ad-hoc Commands - Gajim'))
self.xml.connect_signals(self)
self.window.show_all()
self.restart_button.set_sensitive(False)
# These functions are set up by appropriate stageX methods.
def stage_finish(self, *anything):
if self.stage_finish_cb:
self.stage_finish_cb(*anything)
# Widget callbacks...
def on_back_button_clicked(self, *anything):
if self.stage_back_button_cb:
return self.stage_back_button_cb(*anything)
return False
def on_forward_button_clicked(self, *anything):
if self.stage_forward_button_cb:
return self.stage_forward_button_cb(*anything)
return False
def on_execute_button_clicked(self, *anything):
if self.stage_execute_button_cb:
return self.stage_execute_button_cb(*anything)
return False
def on_finish_button_clicked(self, *anything):
if self.stage_finish_button_cb:
return self.stage_finish_button_cb(*anything)
return False
def on_close_button_clicked(self, *anything):
if self.stage_close_button_cb:
return self.stage_close_button_cb(*anything)
return False
def on_restart_button_clicked(self, *anything):
if self.stage_restart_button_cb:
return self.stage_restart_button_cb(*anything)
return False
def on_adhoc_commands_window_destroy(self, *anything):
# TODO: do all actions that are needed to remove this object from memory
self.remove_pulsing()
def on_adhoc_commands_window_delete_event(self, *anything):
if self.stage_window_delete_cb:
return self.stage_window_delete_cb(self.window)
return False
def __del__(self):
print('Object has been deleted.')
# stage 1: waiting for command list
def stage1(self):
"""
Prepare the first stage. Request command list, set appropriate state of
widgets
"""
# close old stage...
self.stage_finish()
# show the stage
self.stages_notebook.set_current_page(
self.stages_notebook.page_num(
self.retrieving_commands_stage_vbox))
# set widgets' state
self.close_button.set_sensitive(True)
self.back_button.set_sensitive(False)
self.forward_button.set_sensitive(False)
self.execute_button.set_sensitive(False)
self.finish_button.set_sensitive(False)
# request command list
self.request_command_list()
self.setup_pulsing(
self.xml.get_object('retrieving_commands_progressbar'))
# setup the callbacks
self.stage_finish_cb = self.stage1_finish
self.stage_close_button_cb = self.stage1_close_button_clicked
self.stage_restart_button_cb = self.stage1_restart_button_clicked
self.stage_window_delete_cb = \
self.stage1_adhoc_commands_window_delete_event
def stage1_finish(self):
self.remove_pulsing()
def stage1_close_button_clicked(self, widget):
# cancelling in this stage is not critical, so we don't
# show any popups to user
self.stage_finish()
self.window.destroy()
def stage1_restart_button_clicked(self, widget):
self.stage_finish()
self.restart()
def stage1_adhoc_commands_window_delete_event(self, widget):
self.stage1_finish()
return True
# stage 2: choosing the command to execute
def stage2(self):
"""
Populate the command list vbox with radiobuttons
FIXME: If there is more commands, maybe some kind of list, set widgets
state
"""
# close old stage
self.stage_finish()
assert len(self.commandlist)>0
self.stages_notebook.set_current_page(
self.stages_notebook.page_num(self.command_list_stage_vbox))
self.close_button.set_sensitive(True)
self.back_button.set_sensitive(False)
self.forward_button.set_sensitive(True)
self.execute_button.set_sensitive(False)
self.finish_button.set_sensitive(False)
# build the commands list radiobuttons
first_radio = None
for (commandnode, commandname) in self.commandlist:
radio = Gtk.RadioButton.new_with_label_from_widget(first_radio, commandname)
radio.connect("toggled", self.on_command_radiobutton_toggled,
commandnode)
if not first_radio:
first_radio = radio
self.commandnode = commandnode
self.command_list_vbox.pack_start(radio, False, True, 0)
self.command_list_vbox.show_all()
self.stage_finish_cb = self.stage2_finish
self.stage_close_button_cb = self.stage2_close_button_clicked
self.stage_restart_button_cb = self.stage2_restart_button_clicked
self.stage_forward_button_cb = self.stage2_forward_button_clicked
self.stage_window_delete_cb = None
def stage2_finish(self):
"""
Remove widgets we created. Not needed when the window is destroyed
"""
def remove_widget(widget, param):
self.command_list_vbox.remove(widget)
self.command_list_vbox.foreach(remove_widget, None)
def stage2_close_button_clicked(self, widget):
self.stage_finish()
self.window.destroy()
def stage2_restart_button_clicked(self, widget):
self.stage_finish()
self.restart()
def stage2_forward_button_clicked(self, widget):
self.stage3()
def on_command_radiobutton_toggled(self, widget, commandnode):
self.commandnode = commandnode
def on_check_commands_1_button_clicked(self, widget):
self.stage1()
# stage 3: command invocation
def stage3(self):
# close old stage
self.stage_finish()
self.form_status = None
self.stages_notebook.set_current_page(
self.stages_notebook.page_num(
self.sending_form_stage_vbox))
self.restart_button.set_sensitive(True)
self.close_button.set_sensitive(True)
self.back_button.set_sensitive(False)
self.forward_button.set_sensitive(False)
self.execute_button.set_sensitive(False)
self.finish_button.set_sensitive(False)
self.stage3_submit_form()
self.stage_finish_cb = None
self.stage_back_button_cb = self.stage3_back_button_clicked
self.stage_forward_button_cb = self.stage3_forward_button_clicked
self.stage_execute_button_cb = self.stage3_execute_button_clicked
self.stage_finish_button_cb = self.stage3_finish_button_clicked
self.stage_close_button_cb = self.stage3_close_button_clicked
self.stage_restart_button_cb = self.stage3_restart_button_clicked
self.stage_window_delete_cb = self.stage3_close_button_clicked
def stage3_can_close(self, cb):
if self.form_status == 'completed':
cb()
return
def on_yes(button):
self.send_cancel()
dialog.destroy()
cb()
dialog = dialogs.HigDialog(self.window, Gtk.MessageType.WARNING,
Gtk.ButtonsType.YES_NO, _('Cancel confirmation'),
_('You are in process of executing command. Do you really want to '
'cancel it?'), on_response_yes=on_yes)
dialog.popup()
def stage3_close_button_clicked(self, widget):
"""
We are in the middle of executing command. Ask user if he really want to
cancel the process, then cancel it
"""
# this works also as a handler for window_delete_event, so we have to
# return appropriate values
if self.allow_stage3_close:
return False
def on_ok():
self.allow_stage3_close = True
self.window.destroy()
self.stage3_can_close(on_ok)
return True # Block event, don't close window
def stage3_restart_button_clicked(self, widget):
def on_ok():
self.restart()
self.stage3_can_close(on_ok)
def stage3_back_button_clicked(self, widget):
self.stage3_submit_form('prev')
def stage3_forward_button_clicked(self, widget):
self.stage3_submit_form('next')
def stage3_execute_button_clicked(self, widget):
self.stage3_submit_form('execute')
def stage3_finish_button_clicked(self, widget):
self.stage3_submit_form('complete')
def stage3_submit_form(self, action='execute'):
self.data_form_widget.set_sensitive(False)
if self.data_form_widget.get_data_form():
df = self.data_form_widget.get_data_form()
if not df.is_valid():
app.interface.raise_dialog(
'invalid-form', transient_for=self.window)
self.data_form_widget.set_sensitive(True)
return
self.data_form_widget.data_form.type_ = 'submit'
else:
self.data_form_widget.hide()
self.close_button.set_sensitive(True)
self.back_button.set_sensitive(False)
self.forward_button.set_sensitive(False)
self.execute_button.set_sensitive(False)
self.finish_button.set_sensitive(False)
self.sending_form_progressbar.show()
self.setup_pulsing(self.sending_form_progressbar)
self.send_command(action)
def stage3_next_form(self, command):
if not isinstance(command, nbxmpp.Node):
self.stage5(error=_('Service sent malformed data'), senderror=True)
return
self.remove_pulsing()
self.sending_form_progressbar.hide()
if not self.sessionid:
self.sessionid = command.getAttr('sessionid')
elif self.sessionid != command.getAttr('sessionid'):
self.stage5(error=_('Service changed the session identifier.'),
senderror=True)
return
self.form_status = command.getAttr('status')
self.commandnode = command.getAttr('node')
if command.getTag('x'):
self.dataform = dataforms.ExtendForm(node=command.getTag('x'))
self.data_form_widget.set_sensitive(True)
try:
self.data_form_widget.selectable = True
self.data_form_widget.data_form = self.dataform
except dataforms.Error:
self.stage5(error=_('Service sent malformed data'),
senderror=True)
return
self.data_form_widget.show()
if self.data_form_widget.title:
self.window.set_title(_('%s - Ad-hoc Commands - Gajim') % \
self.data_form_widget.title)
else:
self.data_form_widget.hide()
actions = command.getTag('actions')
if actions:
# actions, actions, actions...
self.close_button.set_sensitive(True)
self.back_button.set_sensitive(actions.getTag('prev') is not None)
self.forward_button.set_sensitive(
actions.getTag('next') is not None)
self.execute_button.set_sensitive(True)
self.finish_button.set_sensitive(actions.getTag('complete') is not \
None)
else:
self.close_button.set_sensitive(True)
self.back_button.set_sensitive(False)
self.forward_button.set_sensitive(False)
self.execute_button.set_sensitive(True)
self.finish_button.set_sensitive(False)
if self.form_status == 'completed':
self.close_button.set_sensitive(True)
self.back_button.hide()
self.forward_button.hide()
self.execute_button.hide()
self.finish_button.hide()
self.close_button.show()
self.stage_window_delete_cb = self.stage3_close_button_clicked
note = command.getTag('note')
if note:
self.notes_label.set_text(note.getData())
self.notes_label.set_no_show_all(False)
self.notes_label.show()
else:
self.notes_label.set_no_show_all(True)
self.notes_label.hide()
def restart(self):
self.commandnode = None
self.initiate()
# stage 4: no commands are exposed
def stage4(self):
"""
Display the message. Wait for user to close the window
"""
# close old stage
self.stage_finish()
self.stages_notebook.set_current_page(
self.stages_notebook.page_num(self.no_commands_stage_vbox))
self.close_button.set_sensitive(True)
self.back_button.set_sensitive(False)
self.forward_button.set_sensitive(False)
self.execute_button.set_sensitive(False)
self.finish_button.set_sensitive(False)
self.stage_finish_cb = None
self.stage_close_button_cb = self.stage4_close_button_clicked
self.stage_restart_button_cb = self.stage4_restart_button_clicked
self.stage_window_delete_cb = None
def stage4_close_button_clicked(self, widget):
self.window.destroy()
def stage4_restart_button_clicked(self, widget):
self.restart()
def on_check_commands_2_button_clicked(self, widget):
self.stage1()
# stage 5: an error has occured
def stage5(self, error=None, errorid=None, senderror=False):
"""
Display the error message. Wait for user to close the window
"""
# FIXME: sending error to responder
# close old stage
self.stage_finish()
assert errorid or error
if errorid:
# we've got error code, display appropriate message
try:
errorname = nbxmpp.NS_STANZAS + ' ' + str(errorid)
errordesc = nbxmpp.ERRORS[errorname][2]
error = errordesc
del errorname, errordesc
except KeyError: # when stanza doesn't have error description
error = _('Service returned an error.')
elif error:
# we've got error message
pass
else:
# we don't know what's that, bailing out
assert False
self.stages_notebook.set_current_page(
self.stages_notebook.page_num(self.error_stage_vbox))
self.close_button.set_sensitive(True)
self.back_button.hide()
self.forward_button.hide()
self.execute_button.hide()
self.finish_button.hide()
self.error_description_label.set_text(error)
self.stage_finish_cb = None
self.stage_close_button_cb = self.stage5_close_button_clicked
self.stage_restart_button_cb = self.stage5_restart_button_clicked
self.stage_window_delete_cb = None
def stage5_close_button_clicked(self, widget):
self.window.destroy()
def stage5_restart_button_clicked(self, widget):
self.restart()
# helpers to handle pulsing in progressbar
def setup_pulsing(self, progressbar):
"""
Set the progressbar to pulse. Makes a custom function to repeatedly call
progressbar.pulse() method
"""
assert not self.pulse_id
assert isinstance(progressbar, Gtk.ProgressBar)
def callback():
progressbar.pulse()
return True # important to keep callback be called back!
# 12 times per second (80 milliseconds)
self.pulse_id = GLib.timeout_add(80, callback)
def remove_pulsing(self):
"""
Stop pulsing, useful when especially when removing widget
"""
if self.pulse_id:
GLib.source_remove(self.pulse_id)
self.pulse_id = None
# handling xml stanzas
def request_command_list(self):
"""
Request the command list. Change stage on delivery
"""
query = nbxmpp.Iq(typ='get', to=nbxmpp.JID(self.jid),
queryNS=nbxmpp.NS_DISCO_ITEMS)
query.setQuerynode(nbxmpp.NS_COMMANDS)
def callback(response):
'''Called on response to query.'''
# FIXME: move to connection_handlers.py
# is error => error stage
error = response.getError()
if error:
# extracting error description
self.stage5(errorid=error)
return
# no commands => no commands stage
# commands => command selection stage
query = response.getTag('query')
if query and query.getAttr('node') == nbxmpp.NS_COMMANDS:
items = query.getTags('item')
else:
items = []
if len(items)==0:
self.commandlist = []
self.stage4()
else:
self.commandlist = [(t.getAttr('node'), t.getAttr('name')) \
for t in items]
self.stage2()
self.account.connection.SendAndCallForResponse(query, callback)
def send_command(self, action='execute'):
"""
Send the command with data form. Wait for reply
"""
# create the stanza
assert action in ('execute', 'prev', 'next', 'complete')
stanza = nbxmpp.Iq(typ='set', to=self.jid)
cmdnode = stanza.addChild('command', namespace=nbxmpp.NS_COMMANDS,
attrs={'node':self.commandnode, 'action':action})
if self.sessionid:
cmdnode.setAttr('sessionid', self.sessionid)
if self.data_form_widget.data_form:
cmdnode.addChild(node=self.data_form_widget.data_form.get_purged())
def callback(response):
# FIXME: move to connection_handlers.py
err = response.getError()
if err:
self.stage5(errorid = err)
else:
self.stage3_next_form(response.getTag('command'))
self.account.connection.SendAndCallForResponse(stanza, callback)
def send_cancel(self):
"""
Send the command with action='cancel'
"""
assert self.commandnode
if self.sessionid and self.account.connection:
# we already have sessionid, so the service sent at least one reply.
stanza = nbxmpp.Iq(typ='set', to=self.jid)
stanza.addChild('command', namespace=nbxmpp.NS_COMMANDS, attrs={
'node':self.commandnode,
'sessionid':self.sessionid,
'action':'cancel'
})
self.account.connection.send(stanza)
else:
# we did not received any reply from service;
# FIXME: we should wait and then send cancel; for now we do nothing
pass