[ubuntu_dock] Add plugin

ubuntu_dock/__init__.py

+from .ubuntu_dock import UbuntuDockPlugin

ubuntu_dock/manifest.ini

+[info]
+name = Ubuntu Dock Integration
+short_name = ubuntu_dock
+version = 0.0.1
+homepage = https://dev.gajim.org/gajim/gajim-plugins/wikis/UbuntuDockPlugin
+max_gajim_version = 0.16.9
+description = This plugin integrates Gajim into the Ubuntu Dock and can show number of unread messages.
+authors = Kyoken <kyoken@kyoken.ninja>

ubuntu_dock/ubuntu_dock.py

+# -*- coding: utf-8 -*-
+
+# Copyright (C) 2017 Kyoken, kyoken@kyoken.ninja
+
+# 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 3
+# 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 os
+
+from plugins import GajimPlugin
+from plugins.helpers import log_calls
+from common import dbus_support, gajim as app
+
+ERR_MSG = ''
+
+if dbus_support.supported:
+    import dbus
+    import dbus.service
+
+    class LauncherEntry(dbus.service.Object):
+        '''
+        https://wiki.ubuntu.com/Unity/LauncherAPI
+        '''
+        def __init__(self, conn, object_path='/org/gajim/Gajim'):
+            dbus.service.Object.__init__(self, conn, object_path)
+
+        @dbus.service.signal('com.canonical.Unity.LauncherEntry',
+                             signature='sa{sv}')
+        def Update(self, app_uri, properties):
+            pass
+
+else:
+    ERR_MSG = 'D-Bus Python bindings are missing.'
+
+if os.name == 'nt':
+    ERR_MSG = "Plugin can't be run under Windows."
+
+
+class UbuntuDockPlugin(GajimPlugin):
+    @log_calls('UbuntuDockPlugin')
+    def init(self):
+        self.config_dialog = None
+        if ERR_MSG:
+            self.available_text = ERR_MSG
+            self.activatable = False
+
+    @log_calls('UbuntuDockPlugin')
+    def activate(self):
+        bus = dbus.SessionBus()
+        self.launcher = LauncherEntry(bus)
+
+        app.events.event_added_subscribe(self.update_count)
+        app.events.event_removed_subscribe(self.update_count)
+        self.active = True
+
+    @log_calls('UbuntuDockPlugin')
+    def deactivate(self):
+        app.events.event_added_unsubscribe(self.update_count)
+        app.events.event_removed_unsubscribe(self.update_count)
+        self.active = False
+
+    def update_count(self, *args):
+        nb_unread = 0
+        for account in app.connections:
+            events = [
+                'chat', 'normal',
+                'file-request', 'file-error', 'file-completed',
+                'file-request-error', 'file-send-error', 'file-stopped',
+                'printed_chat',
+                'printed_marked_gc_msg',
+            ]
+            if app.config.get('notify_on_all_muc_messages'):
+                events.append('printed_gc_msg')
+            nb_unread += app.events.get_nb_events(events, account)
+
+        self.launcher.Update('application://gajim.desktop', {
+            'count': dbus.Int64(nb_unread),
+            'count-visible': bool(nb_unread),
+        })