diff --git a/data/glade/change_activity_dialog.glade b/data/glade/change_activity_dialog.glade
new file mode 100644
index 0000000000000000000000000000000000000000..7665916fdc7e5d66b56fbfbf402a78c550ecf43f
--- /dev/null
+++ b/data/glade/change_activity_dialog.glade
@@ -0,0 +1,158 @@
+<?xml version="1.0" standalone="no"?> <!--*- mode: xml -*-->
+<!DOCTYPE glade-interface SYSTEM "http://glade.gnome.org/glade-2.0.dtd">
+
+<glade-interface>
+
+<widget class="GtkDialog" id="change_activity_dialog">
+  <property name="border_width">6</property>
+  <property name="title" translatable="yes"></property>
+  <property name="type">GTK_WINDOW_TOPLEVEL</property>
+  <property name="window_position">GTK_WIN_POS_NONE</property>
+  <property name="modal">False</property>
+  <property name="default_width">270</property>
+  <property name="resizable">True</property>
+  <property name="destroy_with_parent">False</property>
+  <property name="decorated">True</property>
+  <property name="skip_taskbar_hint">False</property>
+  <property name="skip_pager_hint">False</property>
+  <property name="type_hint">GDK_WINDOW_TYPE_HINT_DIALOG</property>
+  <property name="gravity">GDK_GRAVITY_NORTH_WEST</property>
+  <property name="focus_on_map">True</property>
+  <property name="urgency_hint">False</property>
+  <property name="has_separator">True</property>
+  <signal name="key_press_event" handler="on_change_status_message_dialog_key_press_event" last_modification_time="Wed, 16 Mar 2005 00:53:06 GMT"/>
+
+  <child internal-child="vbox">
+    <widget class="GtkVBox" id="dialog-vbox5">
+      <property name="visible">True</property>
+      <property name="homogeneous">False</property>
+      <property name="spacing">6</property>
+
+      <child internal-child="action_area">
+	<widget class="GtkHButtonBox" id="dialog-action_area">
+	  <property name="visible">True</property>
+	  <property name="layout_style">GTK_BUTTONBOX_END</property>
+
+	  <child>
+	    <widget class="GtkButton" id="cancel_button">
+	      <property name="visible">True</property>
+	      <property name="can_default">True</property>
+	      <property name="can_focus">True</property>
+	      <property name="label">gtk-cancel</property>
+	      <property name="use_stock">True</property>
+	      <property name="relief">GTK_RELIEF_NORMAL</property>
+	      <property name="focus_on_click">True</property>
+	      <property name="response_id">-6</property>
+	      <signal name="clicked" handler="on_cancel_button_clicked" last_modification_time="Sat, 31 Mar 2007 07:58:52 GMT"/>
+	    </widget>
+	  </child>
+
+	  <child>
+	    <widget class="GtkButton" id="ok_button">
+	      <property name="visible">True</property>
+	      <property name="can_default">True</property>
+	      <property name="has_default">True</property>
+	      <property name="can_focus">True</property>
+	      <property name="label">gtk-ok</property>
+	      <property name="use_stock">True</property>
+	      <property name="relief">GTK_RELIEF_NORMAL</property>
+	      <property name="focus_on_click">True</property>
+	      <property name="response_id">-5</property>
+	      <signal name="clicked" handler="on_ok_button_clicked" last_modification_time="Sat, 31 Mar 2007 07:57:55 GMT"/>
+	    </widget>
+	  </child>
+	</widget>
+	<packing>
+	  <property name="padding">0</property>
+	  <property name="expand">False</property>
+	  <property name="fill">False</property>
+	  <property name="pack_type">GTK_PACK_END</property>
+	</packing>
+      </child>
+
+      <child>
+	<widget class="GtkFrame" id="frame38">
+	  <property name="visible">True</property>
+	  <property name="label_xalign">0</property>
+	  <property name="label_yalign">0.5</property>
+	  <property name="shadow_type">GTK_SHADOW_NONE</property>
+
+	  <child>
+	    <widget class="GtkAlignment" id="alignment107">
+	      <property name="visible">True</property>
+	      <property name="xalign">0.5</property>
+	      <property name="yalign">0.5</property>
+	      <property name="xscale">1</property>
+	      <property name="yscale">1</property>
+	      <property name="top_padding">0</property>
+	      <property name="bottom_padding">0</property>
+	      <property name="left_padding">12</property>
+	      <property name="right_padding">0</property>
+
+	      <child>
+		<widget class="GtkVBox" id="vbox112">
+		  <property name="border_width">6</property>
+		  <property name="visible">True</property>
+		  <property name="homogeneous">False</property>
+		  <property name="spacing">6</property>
+
+		  <child>
+		    <widget class="GtkComboBox" id="combobox1">
+		      <property name="visible">True</property>
+		      <property name="add_tearoffs">False</property>
+		      <property name="focus_on_click">True</property>
+		    </widget>
+		    <packing>
+		      <property name="padding">0</property>
+		      <property name="expand">False</property>
+		      <property name="fill">False</property>
+		    </packing>
+		  </child>
+
+		  <child>
+		    <widget class="GtkComboBox" id="combobox2">
+		      <property name="visible">True</property>
+		      <property name="add_tearoffs">False</property>
+		      <property name="focus_on_click">True</property>
+		    </widget>
+		    <packing>
+		      <property name="padding">0</property>
+		      <property name="expand">False</property>
+		      <property name="fill">False</property>
+		    </packing>
+		  </child>
+
+		  <child>
+		    <widget class="GtkEntry" id="entry">
+		      <property name="visible">True</property>
+		      <property name="can_focus">True</property>
+		      <property name="editable">True</property>
+		      <property name="visibility">True</property>
+		      <property name="max_length">0</property>
+		      <property name="text" translatable="yes"></property>
+		      <property name="has_frame">True</property>
+		      <property name="invisible_char">●</property>
+		      <property name="activates_default">False</property>
+		    </widget>
+		    <packing>
+		      <property name="padding">0</property>
+		      <property name="expand">False</property>
+		      <property name="fill">False</property>
+		    </packing>
+		  </child>
+		</widget>
+	      </child>
+	    </widget>
+	  </child>
+	</widget>
+	<packing>
+	  <property name="padding">0</property>
+	  <property name="expand">True</property>
+	  <property name="fill">True</property>
+	</packing>
+      </child>
+    </widget>
+  </child>
+</widget>
+
+</glade-interface>
diff --git a/src/common/pep.py b/src/common/pep.py
index b820d44780ad8b6d2a35a90a4df04cac2ce27b4c..8762b8602865087fb719bd869146bd2f351b7e14 100644
--- a/src/common/pep.py
+++ b/src/common/pep.py
@@ -52,3 +52,14 @@ def user_send_mood(account, mood, message = ''):
 		i.addData(message)
 
 	gajim.connections[account].send_pb_publish('', xmpp.NS_MOOD, item, '0')
+
+def user_send_activity(account, activity, subactivity = '', message = ''):
+	item = xmpp.Node('activity', {'xmlns': xmpp.NS_ACTIVITY})
+	i = item.addChild(activity)
+	if subactivity != '':
+		i.addChild(subactivity)
+	if message != '':
+		i = item.addChild('text')
+		i.addData(message)
+
+	gajim.connections[account].send_pb_publish('', xmpp.NS_ACTIVITY, item, '0')
diff --git a/src/dialogs.py b/src/dialogs.py
index cb3486b91b2fb63279ee204f0c08f66091fe5059..b7503eb1578ea08dd29f2e7bb5af36339111ec57 100644
--- a/src/dialogs.py
+++ b/src/dialogs.py
@@ -307,6 +307,86 @@ class ChooseGPGKeyDialog:
 				self.keys_treeview.set_cursor(path)
 
 
+class ChangeActivityDialog:
+	activities = [_('doing_chores'), _('drinking'), _('eating'),
+	_('excercising'), _('grooming'), _('having_appointment'),
+	_('inactive'), _('relaxing'), _('talking'), _('traveling'),
+	_('working'), ]
+	subactivities = [_('at_the_spa'), _('brushing_teeth'),
+			_('buying_groceries'), _('cleaning'), _('coding'),
+			_('commuting'), _('cooking'), _('cycling'), _('day_off'),
+			_('doing_maintenance'), _('doing_the_dishes'),
+			_('doing_the_laundry'), _('driving'), _('gaming'),
+			_('gardening'), _('getting_a_haircut'), _('going_out'),
+			_('hanging_out'), _('having_a_beer'), _('having_a_snack'),
+			_('having_breakfast'), _('having_coffee'),
+			_('having_dinner'), _('having_lunch'), _('having_tea'),
+			_('hiking'), _('in_a_car'), _('in_a_meeting'),
+			_('in_real_life'), _('jogging'), _('on_a_bus'),
+			_('on_a_plane'), _('on_a_train'), _('on_a_trip'),
+			_('on_the_phone'), _('on_vacation'), _('other'),
+			_('partying'), _('playing_sports'), _('reading'),
+			_('rehearsing'), _('running'), _('running_an_errand'),
+			_('scheduled_holiday'), _('shaving'), _('shopping'),
+			_('skiing'), _('sleeping'), _('socializing'),
+			_('studying'), _('sunbathing'), _('swimming'),
+			_('taking_a_bath'), _('taking_a_shower'), _('walking'),
+			_('walking_the_dog'), _('watching_tv'),
+			_('watching_a_movie'), _('working_out'), _('writing'), ]
+	def __init__(self, account):
+		self.account = account
+		self.xml = gtkgui_helpers.get_glade('change_activity_dialog.glade')
+		self.window = self.xml.get_widget('change_activity_dialog')
+		self.window.set_transient_for(gajim.interface.roster.window)
+		self.window.set_title(_('Activity'))
+
+		self.entry = self.xml.get_widget('entry')
+
+		self.combo1 = self.xml.get_widget('combobox1')
+		self.liststore1 = gtk.ListStore(str)
+		self.combo1.set_model(self.liststore1)
+
+		for activity in self.activities:
+			self.liststore1.append((activity,))
+
+		cellrenderertext = gtk.CellRendererText()
+		self.combo1.pack_start(cellrenderertext, True)
+		self.combo1.add_attribute(cellrenderertext, 'text', 0)
+
+		self.combo2 = self.xml.get_widget('combobox2')
+		self.liststore2 = gtk.ListStore(str)
+		self.combo2.set_model(self.liststore2)
+
+		for subactivity in self.subactivities:
+			self.liststore2.append((subactivity,))
+
+		cellrenderertext = gtk.CellRendererText()
+		self.combo2.pack_start(cellrenderertext, True)
+		self.combo2.add_attribute(cellrenderertext, 'text', 0)
+
+		self.xml.signal_autoconnect(self)
+		self.window.show_all()
+
+	def on_ok_button_clicked(self, widget):
+		'''Return activity and messsage (None if no activity selected)'''
+		activity = None 
+		subactivity = None
+		message = None
+		active1 = self.combo1.get_active()
+		active2 = self.combo2.get_active()
+		if active1 > -1:
+			activity = self.liststore1[active1][0].decode('utf-8')
+			if active2 > -1:
+				subactivity = self.liststore2[active2][0].decode('utf-8')
+			message = self.entry.get_text().decode('utf-8')
+			from common import pep
+			pep.user_send_activity(self.account, activity,
+					subactivity, message)
+			self.window.destroy()
+
+	def on_cancel_button_clicked(self, widget):
+		self.window.destroy()
+
 class ChangeMoodDialog:
 	moods = [_('afraid'), _('amazed'), _('angry'), _('annoyed'), _('anxious'), _('aroused'), _('ashamed'), _('bored'), _('brave'), _('calm'), _('cold'), _('confused'), _('contented'), _('cranky'), _('curious'), _('depressed'), _('disappointed'), _('disgusted'), _('distracted'), _('embarrassed'), _('excited'), _('flirtatious'), _('frustrated'), _('grumpy'), _('guilty'), _('happy'), _('hot'), _('humbled'), _('humiliated'), _('hungry'), _('hurt'), _('impressed'), _('in_awe'), _('in_love'), _('indignant'), _('interested'), _('intoxicated'), _('invincible'), _('jealous'), _('lonely'), _('mean'), _('moody'), _('nervous'), _('neutral'), _('offended'), _('playful'), _('proud'), _('relieved'), _('remorseful'), _('restless'), _('sad'), _('sarcastic'), _('serious'), _('shocked'), _('shy'), _('sick'), _('sleepy'), _('stressed'), _('surprised'), _('thirsty'), _('worried')]
 	def __init__(self, account):
diff --git a/src/roster_window.py b/src/roster_window.py
index 94e5b9a1d605231fa952938327080e15d9b2e7a7..f94fb59df2fee758fd8b8a2c3234ea979e268a29 100644
--- a/src/roster_window.py
+++ b/src/roster_window.py
@@ -2268,6 +2268,9 @@ class RosterWindow:
 			gajim.config.get_per('accounts', account, 'name'))
 		helpers.launch_browser_mailer('url', url)
 
+	def on_change_activity_activate(self, widget, account):
+		dlg = dialogs.ChangeActivityDialog(account)
+
 	def on_change_mood_activate(self, widget, account):
 		dlg = dialogs.ChangeMoodDialog(account)
 
@@ -2340,6 +2343,9 @@ class RosterWindow:
 				item = gtk.MenuItem('Mood')
 				pep_submenu.append(item)
 				item.connect('activate', self.on_change_mood_activate, account)
+				item = gtk.MenuItem('Activity')
+				pep_submenu.append(item)
+				item.connect('activate', self.on_change_activity_activate, account)
 			else:
 				pep_menuitem.set_no_show_all(True)
 				pep_menuitem.hide()