247 lines
8.0 KiB
Python
247 lines
8.0 KiB
Python
# This file is part of Gajim.
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#
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# Gajim is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published
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# by the Free Software Foundation; version 3 only.
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#
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# Gajim is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Gajim. If not, see <http://www.gnu.org/licenses/>.
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'''
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Message length notifier plugin.
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:author: Mateusz Biliński <mateusz@bilinski.it>
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:since: 1st June 2008
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:copyright: Copyright (2008) Mateusz Biliński <mateusz@bilinski.it>
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:license: GPL
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'''
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from __future__ import annotations
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from typing import Any
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from typing import cast
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import logging
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from functools import partial
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from gi.repository import Gdk
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from gi.repository import GObject
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from gi.repository import Gtk
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from nbxmpp.protocol import JID
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from gajim.common import app
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from gajim.common import types
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from gajim.gtk.message_actions_box import MessageActionsBox
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from gajim.gtk.message_input import MessageInputTextView
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from gajim.plugins import GajimPlugin
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from gajim.plugins.gajimplugin import GajimPluginConfig
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from gajim.plugins.plugins_i18n import _
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from length_notifier.config_dialog import LengthNotifierConfigDialog
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log = logging.getLogger('gajim.p.length_notifier')
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class LengthNotifierPlugin(GajimPlugin):
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def init(self) -> None:
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self.description = _('Highlights the chat window’s message input if '
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'a specified message length is exceeded.')
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self.config_dialog = partial(LengthNotifierConfigDialog, self)
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self.gui_extension_points = {
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'message_actions_box': (self._message_actions_box_created, None),
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'switch_contact': (self._on_switch_contact, None)
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}
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self.config_default_values = {
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'MESSAGE_WARNING_LENGTH': (
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140,
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'Message length at which the highlight is shown'),
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'WARNING_COLOR': (
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'rgb(240, 220, 60)',
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'Highlight color for the message input'),
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'JIDS': (
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'',
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'Enable the plugin for selected XMPP addresses '
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'only (comma separated)')
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}
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self._message_action_box = None
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self._actions_box_widget = None
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self._counter = None
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self._contact = None
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def activate(self) -> None:
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if self._counter is not None and self._contact is not None:
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self._counter.update_contact(self._contact)
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def deactivate(self) -> None:
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assert self._counter is not None
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self._counter.reset()
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self._counter.destroy()
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del self._counter
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def _create_counter(self) -> None:
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assert self._message_action_box is not None
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assert self._actions_box_widget is not None
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self._counter = Counter(self._message_action_box.msg_textview,
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self.config)
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self._actions_box_widget.pack_end(self._counter, False, False, 0)
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def _message_actions_box_created(self,
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message_actions_box: MessageActionsBox,
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gtk_box: Gtk.Box
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) -> None:
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self._message_action_box = message_actions_box
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self._actions_box_widget = gtk_box
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self._create_counter()
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def _on_switch_contact(self, contact: types.ChatContactT) -> None:
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assert self._counter is not None
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self._contact = contact
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self._counter.update_contact(contact)
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def update(self):
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assert self._counter is not None
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if self._contact is not None:
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self._counter.update_config(self.config)
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class Counter(Gtk.Label):
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def __init__(self,
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message_input: MessageInputTextView,
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config: GajimPluginConfig
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) -> None:
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Gtk.Label.__init__(self)
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self.set_tooltip_text(_('Number of typed characters'))
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self.get_style_context().add_class('dim-label')
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self._config = config
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self._contact = None
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self._max_length = None
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self._color = None
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self._inverted_color = None
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self._textview = message_input
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self._signal_id = self._textview.connect('buffer-changed', self._update)
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self._provider = None
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self._parse_config()
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self._set_css()
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self.connect('destroy', self._on_destroy)
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def _on_destroy(self, _widget: Counter) -> None:
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self._context.remove_class('length-warning')
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assert self._signal_id is not None
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if GObject.signal_handler_is_connected(
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self._textview, self._signal_id):
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self._textview.disconnect(self._signal_id)
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app.check_finalize(self)
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def _parse_config(self) -> None:
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self._max_length = cast(int, self._config['MESSAGE_WARNING_LENGTH'])
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self._color = cast(str, self._config['WARNING_COLOR'])
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rgba = Gdk.RGBA()
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rgba.parse(self._color)
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red = int(255 - rgba.red * 255)
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green = int(255 - rgba.green * 255)
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blue = int(255 - rgba.blue * 255)
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self._inverted_color = f'rgb({red}, {green}, {blue})'
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def _set_css(self) -> None:
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self._context = self._textview.get_style_context()
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if self._provider is not None:
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self._context.remove_provider(self._provider)
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css = '''
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.length-warning > * {
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color: %s;
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background-color: %s;
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}
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''' % (self._inverted_color, self._color)
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self._provider = Gtk.CssProvider()
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self._provider.load_from_data(bytes(css.encode()))
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self._context.add_provider(
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self._provider, Gtk.STYLE_PROVIDER_PRIORITY_USER)
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def _set_count(self, count: int) -> None:
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self.set_label(str(count))
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def _update(self, *args: Any) -> bool:
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if self._contact is None:
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return False
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enable = self._jid_allowed(self._contact.jid)
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if enable:
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self.show()
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else:
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self.hide()
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assert self._max_length is not None
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if self._textview.has_text and enable:
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text = self._textview.get_text()
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len_text = len(text)
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self._set_count(len_text)
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if len_text > self._max_length:
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self._context.add_class('length-warning')
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else:
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self._context.remove_class('length-warning')
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else:
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self._set_count(0)
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self._context.remove_class('length-warning')
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return False
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def _jid_allowed(self, current_jid: JID) -> bool:
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jids = self._config['JIDS']
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if isinstance(jids, list):
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# Gajim 1.0 stored this as list[str]
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jids = ','.join(jids)
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assert isinstance(jids, str)
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if not len(jids):
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# Not restricted to any JIDs
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return True
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allowed_jids = jids.split(',')
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for allowed_jid in allowed_jids:
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try:
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address = JID.from_string(allowed_jid.strip())
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except Exception as error:
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log.error('Error parsing JID: %s (%s)' % (error, allowed_jid))
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continue
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if address.is_domain:
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if current_jid.domain == address:
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log.debug('Show counter for Domain %s' % address)
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return True
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if current_jid == address:
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log.debug('Show counter for JID %s' % address)
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return True
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return False
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def update_config(self, config: GajimPluginConfig) -> None:
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self._config = config
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self.reset()
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self._update()
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def update_contact(self, contact: types.ChatContactT) -> None:
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self._contact = contact
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self._update()
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def reset(self) -> None:
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self._context.remove_class('length-warning')
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self._parse_config()
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self._set_css()
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