Added session information panel into the chat window

blink/chatwindow.py

@@ -6,8 +6,8 @@ __all__ = ['ChatWindow']
 import os
 
 from PyQt4 import uic
-from PyQt4.QtCore import Qt, QEvent, QPointF, QPropertyAnimation, QRect, QSettings, QTimer, pyqtSignal
-from PyQt4.QtGui  import QAction, QDesktopServices, QIcon, QListView, QMenu, QPainter, QPalette, QPen, QPolygonF, QTextCursor, QTextDocument, QTextEdit
+from PyQt4.QtCore import Qt, QEasingCurve, QEvent, QPointF, QPropertyAnimation, QRect, QSettings, QTimer, pyqtSignal
+from PyQt4.QtGui  import QAction, QColor, QDesktopServices, QIcon, QListView, QMenu, QPainter, QPalette, QPen, QPolygonF, QTextCursor, QTextDocument, QTextEdit
 from PyQt4.QtWebKit import QWebPage, QWebSettings, QWebView
 
 from abc import ABCMeta, abstractmethod
@@ -28,6 +28,7 @@ from blink.resources import IconManager, Resources
 from blink.sessions import ChatSessionModel, ChatSessionListView, StreamDescription
 from blink.util import run_in_gui_thread
 from blink.widgets.color import ColorHelperMixin
+from blink.widgets.graph import Graph
 from blink.widgets.util import ContextMenuActions
 
 
@@ -604,30 +605,41 @@ ui_class, base_class = uic.loadUiType(Resources.get('chat_window.ui'))
 class ChatWindow(base_class, ui_class, ColorHelperMixin):
     implements(IObserver)
 
+    sliding_panels = True
+
     def __init__(self, parent=None):
         super(ChatWindow, self).__init__(parent)
         with Resources.directory:
             self.setupUi()
+
         self.selected_item = None
         self.session_model = ChatSessionModel(self)
         self.session_list.setModel(self.session_model)
         self.session_widget.installEventFilter(self)
         self.state_label.installEventFilter(self)
+
         self.mute_button.clicked.connect(self._SH_MuteButtonClicked)
         self.hold_button.clicked.connect(self._SH_HoldButtonClicked)
         self.record_button.clicked.connect(self._SH_RecordButtonClicked)
         self.control_button.clicked.connect(self._SH_ControlButtonClicked)
+        self.participants_panel_info_button.clicked.connect(self._SH_InfoButtonClicked)
+        self.participants_panel_files_button.clicked.connect(self._SH_FilesButtonClicked)
+        self.files_panel_info_button.clicked.connect(self._SH_InfoButtonClicked)
+        self.files_panel_participants_button.clicked.connect(self._SH_ParticipantsButtonClicked)
+        self.info_panel_files_button.clicked.connect(self._SH_FilesButtonClicked)
+        self.info_panel_participants_button.clicked.connect(self._SH_ParticipantsButtonClicked)
+        self.latency_graph.updated.connect(self._SH_LatencyGraphUpdated)
+        self.packet_loss_graph.updated.connect(self._SH_PacketLossGraphUpdated)
+        self.traffic_graph.updated.connect(self._SH_TrafficGraphUpdated)
         self.session_model.sessionAdded.connect(self._SH_SessionModelSessionAdded)
         self.session_model.sessionRemoved.connect(self._SH_SessionModelSessionRemoved)
         self.session_model.sessionAboutToBeRemoved.connect(self._SH_SessionModelSessionAboutToBeRemoved)
         self.session_list.selectionModel().selectionChanged.connect(self._SH_SessionListSelectionChanged)
-        self.dummy_tab = ChatWidget(None, self.tab_widget)
-        self.dummy_tab.setDisabled(True)
-        self.tab_widget.addTab(self.dummy_tab, "Dummy")
-        self.tab_widget.setCurrentWidget(self.dummy_tab)
+
         geometry = QSettings().value("chat_window/geometry")
         if geometry:
             self.restoreGeometry(geometry)
+
         notification_center = NotificationCenter()
         notification_center.add_observer(self, name='SIPApplicationDidStart')
         notification_center.add_observer(self, name='BlinkSessionNewIncoming')
@@ -644,9 +656,22 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
         notification_center.add_observer(self, name='MediaStreamDidFail')
         notification_center.add_observer(self, name='MediaStreamDidEnd')
 
+        #self.splitter.splitterMoved.connect(self._SH_SplitterMoved) # check this and decide on what size to have in the window (see Notes) -Dan
+
+    def _SH_SplitterMoved(self, pos, index):
+        print "-- splitter:", pos, index, self.splitter.sizes()
+
     def setupUi(self):
         super(ChatWindow, self).setupUi(self)
 
+        self.control_icon = QIcon(Resources.get('icons/cog.svg'))
+        self.cancel_icon = QIcon(Resources.get('icons/cancel.png'))
+        self.lock_grey_icon = QIcon(Resources.get('icons/lock-grey-12.svg'))
+        self.lock_green_icon = QIcon(Resources.get('icons/lock-green-12.svg'))
+
+        # re-apply the stylesheet for self.session_info_container_widget to account for all its subwidget role properties that were set after it
+        self.info_panel_container_widget.setStyleSheet(self.info_panel_container_widget.styleSheet())
+
         # fix the SVG icons as the generated code loads them as pixmaps, losing their ability to scale -Dan
         def svg_icon(filename_off, filename_on):
             icon = QIcon()
@@ -657,7 +682,7 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
         self.mute_button.setIcon(svg_icon(Resources.get('icons/mic-on.svg'), Resources.get('icons/mic-off.svg')))
         self.hold_button.setIcon(svg_icon(Resources.get('icons/pause.svg'), Resources.get('icons/paused.svg')))
         self.record_button.setIcon(svg_icon(Resources.get('icons/record.svg'), Resources.get('icons/recording.svg')))
-        self.control_button.setIcon(QIcon(Resources.get('icons/cog.svg')))
+        self.control_button.setIcon(self.control_icon)
 
         self.control_menu = QMenu(self.control_button)
         self.control_button.setMenu(self.control_menu)
@@ -671,9 +696,41 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
 
         self.session_list = ChatSessionListView(self)
         self.session_list.setObjectName('session_list')
+
+        self.slide_direction = self.session_details.RightToLeft # decide if we slide from one direction only -Dan
+        self.slide_direction = self.session_details.Automatic
+        self.session_details.animationDuration = 300
+        self.session_details.animationEasingCurve = QEasingCurve.OutCirc
+
+        self.audio_latency_graph = Graph([], color=QColor(0, 100, 215), over_boundary_color=QColor(255, 0, 100))
+        self.video_latency_graph = Graph([], color=QColor(0, 215, 100), over_boundary_color=QColor(255, 100, 0))
+        self.audio_packet_loss_graph = Graph([], color=QColor(0, 100, 215), over_boundary_color=QColor(255, 0, 100))
+        self.video_packet_loss_graph = Graph([], color=QColor(0, 215, 100), over_boundary_color=QColor(255, 100, 0))
+
+        self.incoming_traffic_graph = Graph([], color=QColor(255, 50, 50))
+        self.outgoing_traffic_graph = Graph([], color=QColor(0, 100, 215))
+
+        self.latency_graph.add_graph(self.audio_latency_graph)
+        self.latency_graph.add_graph(self.video_latency_graph)
+        self.packet_loss_graph.add_graph(self.audio_packet_loss_graph)
+        self.packet_loss_graph.add_graph(self.video_packet_loss_graph)
+
+        # the graph added 2nd will be displayed on top
+        self.traffic_graph.add_graph(self.incoming_traffic_graph)
+        self.traffic_graph.add_graph(self.outgoing_traffic_graph)
+
+        self.info_panel_files_button.hide()
+        self.info_panel_participants_button.hide()
+        self.participants_panel_files_button.hide()
+
         while self.tab_widget.count():
             self.tab_widget.removeTab(0) # remove the tab(s) added in designer
         self.tab_widget.tabBar().hide()
+        self.dummy_tab = ChatWidget(None, self.tab_widget)
+        self.dummy_tab.setDisabled(True)
+        self.tab_widget.addTab(self.dummy_tab, "Dummy")
+        self.tab_widget.setCurrentWidget(self.dummy_tab)
+
         self.session_list.hide()
         self.new_messages_button.hide()
 
@@ -699,6 +756,7 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
                 notification_center.add_observer(self, sender=new_session.blink_session)
                 self._update_widgets_for_session()
                 self._update_control_menu()
+                self._update_session_info_panel(elements={'session', 'media', 'statistics', 'status'}, update_visibility=True)
 
     selected_session = property(_get_selected_session, _set_selected_session)
     del _get_selected_session, _set_selected_session
@@ -740,12 +798,12 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
         state = blink_session.state
         if state=='connecting/*' and blink_session.direction=='outgoing' or state=='connected/sent_proposal':
             self.control_button.setMenu(None)
-            self.control_button.setIcon(QIcon(Resources.get('icons/cancel.png')))
+            self.control_button.setIcon(self.cancel_icon)
         elif state == 'connected/received_proposal':
             self.control_button.setEnabled(False)
         else:
             self.control_button.setEnabled(True)
-            self.control_button.setIcon(QIcon(Resources.get('icons/cog.svg')))
+            self.control_button.setIcon(self.control_icon)
             menu.clear()
             if state not in ('connecting/*', 'connected/*'):
                 menu.addAction(self.control_button.actions.connect)
@@ -757,6 +815,112 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
             #menu.addAction(self.control_button.actions.dump_session) # remove this later -Dan
             self.control_button.setMenu(menu)
 
+    def _update_session_info_panel(self, elements={}, update_visibility=False):
+        blink_session = self.selected_session.blink_session
+        have_session = blink_session.state in ('connecting/*', 'connected/*', 'ending')
+        have_audio = 'audio' in blink_session.streams
+        have_chat = 'chat' in blink_session.streams
+
+        if update_visibility:
+            self.status_value_label.setEnabled(have_session)
+            self.duration_value_label.setEnabled(have_session)
+            self.account_value_label.setEnabled(have_session)
+            self.remote_agent_value_label.setEnabled(have_session)
+            self.sip_addresses_value_label.setEnabled(have_session)
+            self.audio_value_widget.setEnabled(have_audio)
+            self.audio_addresses_value_label.setEnabled(have_audio)
+            self.audio_ice_status_value_label.setEnabled(have_audio)
+            self.chat_value_widget.setEnabled(have_chat)
+            self.chat_addresses_value_label.setEnabled(have_chat)
+
+        session_info = blink_session.info
+        audio_info = blink_session.info.streams.audio
+        video_info = blink_session.info.streams.video
+        chat_info = blink_session.info.streams.chat
+
+        if 'status' in elements and blink_session.state in ('initialized', 'connecting/*', 'connected/*', 'ended'):
+            state_map = {'initialized': 'Disconnected',
+                         'connecting/dns_lookup': 'Finding destination',
+                         'connecting': 'Connecting',
+                         'connecting/ringing': 'Ringing',
+                         'connecting/starting': 'Starting media',
+                         'connected': 'Connected'}
+
+            if blink_session.state == 'ended':
+                self.status_value_label.setForegroundRole(QPalette.AlternateBase if blink_session.state.error else QPalette.WindowText)
+                self.status_value_label.setText(blink_session.state.reason)
+            elif blink_session.state in state_map:
+                self.status_value_label.setForegroundRole(QPalette.WindowText)
+                self.status_value_label.setText(state_map[blink_session.state])
+
+            want_duration = blink_session.state == 'connected/*' or blink_session.state == 'ended' and not blink_session.state.error
+            self.status_title_label.setVisible(not want_duration)
+            self.status_value_label.setVisible(not want_duration)
+            self.duration_title_label.setVisible(want_duration)
+            self.duration_value_label.setVisible(want_duration)
+
+        if 'session' in elements:
+            self.account_value_label.setText(blink_session.account.id)
+            self.remote_agent_value_label.setText(session_info.remote_user_agent or u'N/A')
+            if session_info.local_address and session_info.remote_address:
+                self.sip_addresses_value_label.setText(u'%s \u21c4 %s:%s' % (session_info.local_address, session_info.transport, session_info.remote_address))
+            elif session_info.local_address:
+                self.sip_addresses_value_label.setText(u'%s \u21c4 N/A' % session_info.local_address)
+            else:
+                self.sip_addresses_value_label.setText(u'N/A')
+
+        if 'media' in elements:
+            self.audio_value_label.setText(audio_info.codec or 'N/A')
+            self.audio_encryption_label.setVisible(audio_info.encryption is not None)
+
+            if audio_info.local_address and audio_info.remote_address:
+                self.audio_addresses_value_label.setText(u'%s \u21c4 %s' % (audio_info.local_address, audio_info.remote_address))
+            else:
+                self.audio_addresses_value_label.setText(u'N/A')
+
+            if audio_info.ice_status == None:
+                self.audio_ice_status_value_label.setText(u'N/A')
+            elif audio_info.ice_status == 'disabled':
+                self.audio_ice_status_value_label.setText(u'Disabled')
+            elif audio_info.ice_status == 'gathering':
+                self.audio_ice_status_value_label.setText(u'Gathering candidates')
+            elif audio_info.ice_status == 'gathering_complete':
+                self.audio_ice_status_value_label.setText(u'Gathered candidates')
+            elif audio_info.ice_status == 'negotiating':
+                self.audio_ice_status_value_label.setText(u'Negotiating')
+            elif audio_info.ice_status == 'succeeded':
+                if 'relay' in {candidate.type.lower() for candidate in (audio_info.local_rtp_candidate, audio_info.remote_rtp_candidate)}:
+                    self.audio_ice_status_value_label.setText(u'Using relay')
+                else:
+                    self.audio_ice_status_value_label.setText(u'Peer to peer')
+            elif audio_info.ice_status == 'failed':
+                self.audio_ice_status_value_label.setText(u"Couldn't negotiate ICE")
+
+            if any(len(path) > 1 for path in (chat_info.full_local_path, chat_info.full_remote_path)):
+                self.chat_value_label.setText(u'Using relay')
+            elif chat_info.full_local_path and chat_info.full_remote_path:
+                self.chat_value_label.setText(u'Peer to peer')
+            else:
+                self.chat_value_label.setText(u'N/A')
+            self.chat_encryption_label.setVisible(chat_info.remote_address is not None and chat_info.transport=='tls')
+
+            if chat_info.local_address and chat_info.remote_address:
+                self.chat_addresses_value_label.setText(u'%s \u21c4 %s:%s' % (chat_info.local_address, chat_info.transport, chat_info.remote_address))
+            else:
+                self.chat_addresses_value_label.setText(u'N/A')
+
+        if 'statistics' in elements:
+            self.duration_value_label.value = session_info.duration
+            self.audio_latency_graph.data = audio_info.latency
+            self.video_latency_graph.data = video_info.latency
+            self.audio_packet_loss_graph.data = audio_info.packet_loss
+            self.video_packet_loss_graph.data = video_info.packet_loss
+            self.incoming_traffic_graph.data = audio_info.incoming_traffic
+            self.outgoing_traffic_graph.data = audio_info.outgoing_traffic
+            self.latency_graph.update()
+            self.packet_loss_graph.update()
+            self.traffic_graph.update()
+
     def show(self):
         super(ChatWindow, self).show()
         self.raise_()
@@ -782,7 +946,7 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
                     self._EH_CloseSession()
                 else:
                     self._EH_ShowSessions()
-            elif event_type == QEvent.Paint and self.session_widget.hovered:
+            elif event_type == QEvent.Paint: # and self.session_widget.hovered:
                 watched.event(event)
                 self.drawSessionWidgetIndicators()
                 return True
@@ -863,24 +1027,10 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
 
     def _NH_BlinkSessionNewIncoming(self, notification):
         if 'chat' in notification.sender.streams.types:
-            # temporary show the session list view until we have a detail view -Dan
-            if not self.session_list.isVisibleTo(self):
-                self.session_list.animation.setDirection(QPropertyAnimation.Forward)
-                self.session_list.animation.setStartValue(self.session_widget.geometry())
-                self.session_list.animation.setEndValue(self.session_panel.rect())
-                self.session_list.show()
-                self.session_list.animation.start()
             self.show()
 
     def _NH_BlinkSessionNewOutgoing(self, notification):
         if 'chat' in notification.sender.stream_descriptions.types:
-            # temporary show the session list view until we have a detail view -Dan
-            if not self.session_list.isVisibleTo(self):
-                self.session_list.animation.setDirection(QPropertyAnimation.Forward)
-                self.session_list.animation.setStartValue(self.session_widget.geometry())
-                self.session_list.animation.setEndValue(self.session_panel.rect())
-                self.session_list.show()
-                self.session_list.animation.start()
             self.show()
 
     def _NH_BlinkSessionDidReinitializeForIncoming(self, notification):
@@ -925,10 +1075,15 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
 
     def _NH_BlinkSessionDidRemoveStream(self, notification):
         self._update_control_menu()
+        self._update_session_info_panel(update_visibility=True)
 
     def _NH_BlinkSessionDidChangeState(self, notification):
         # even if we use this, we also need to listen for BlinkSessionDidRemoveStream as that transition doesn't change the state at all -Dan
         self._update_control_menu()
+        self._update_session_info_panel(elements={'status'}, update_visibility=True)
+
+    def _NH_BlinkSessionInfoUpdated(self, notification):
+        self._update_session_info_panel(elements=notification.data.elements)
 
     def _NH_ChatSessionItemDidChange(self, notification):
         self._update_widgets_for_session()
@@ -1015,6 +1170,37 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
 
     # signal handlers
     #
+    def _SH_InfoButtonClicked(self, checked):
+        if self.sliding_panels:
+            self.session_details.slideInWidget(self.info_panel, direction=self.slide_direction)
+        else:
+            self.session_details.setCurrentWidget(self.info_panel)
+
+    def _SH_FilesButtonClicked(self, checked):
+        if self.sliding_panels:
+            self.session_details.slideInWidget(self.files_panel, direction=self.slide_direction)
+        else:
+            self.session_details.setCurrentWidget(self.files_panel)
+
+    def _SH_ParticipantsButtonClicked(self, checked):
+        if self.sliding_panels:
+            self.session_details.slideInWidget(self.participants_panel, direction=self.slide_direction)
+        else:
+            self.session_details.setCurrentWidget(self.participants_panel)
+
+    def _SH_LatencyGraphUpdated(self):
+        self.latency_label.setText(u'Network Latency: %dms, max=%dms' % (max(self.audio_latency_graph.last_value, self.video_latency_graph.last_value), self.latency_graph.max_value))
+
+    def _SH_PacketLossGraphUpdated(self):
+        self.packet_loss_label.setText(u'Packet Loss: %.1f%%, max=%.1f%%' % (max(self.audio_packet_loss_graph.last_value, self.video_packet_loss_graph.last_value), self.packet_loss_graph.max_value))
+
+    def _SH_TrafficGraphUpdated(self):
+        #incoming_traffic = TrafficNormalizer.normalize(self.incoming_traffic_graph.last_value)
+        #outgoing_traffic = TrafficNormalizer.normalize(self.outgoing_traffic_graph.last_value)
+        incoming_traffic = TrafficNormalizer.normalize(self.incoming_traffic_graph.last_value*8, bits_per_second=True)
+        outgoing_traffic = TrafficNormalizer.normalize(self.outgoing_traffic_graph.last_value*8, bits_per_second=True)
+        self.traffic_label.setText(u"""<p>Traffic: <span style="color: #d70000;">\u2193</span> %s <span style="color: #0064d7;">\u2191</span> %s</p>""" % (incoming_traffic, outgoing_traffic))
+
     def _SH_MuteButtonClicked(self, checked):
         settings = SIPSimpleSettings()
         settings.audio.muted = checked
@@ -1121,3 +1307,16 @@ class ChatWindow(base_class, ui_class, ColorHelperMixin):
 del ui_class, base_class
 
 
+class TrafficNormalizer(object):
+    boundaries = [(             1024, '%d%ss',                   1),
+                  (          10*1024, '%.2fk%ss',           1024.0),  (        1024*1024, '%.1fk%ss',           1024.0),
+                  (     10*1024*1024, '%.2fM%ss',      1024*1024.0),  (   1024*1024*1024, '%.1fM%ss',      1024*1024.0),
+                  (10*1024*1024*1024, '%.2fG%ss', 1024*1024*1024.0),  (float('infinity'), '%.1fG%ss', 1024*1024*1024.0)]
+
+    @classmethod
+    def normalize(cls, value, bits_per_second=False):
+        for boundary, format, divisor in cls.boundaries:
+            if value < boundary:
+                return format % (value/divisor, 'bp' if bits_per_second else 'B/')
+
+

blink/sessions.py

@@ -9,7 +9,7 @@ import os
 import re
 import string
 
-from collections import defaultdict
+from collections import defaultdict, deque
 from datetime import datetime, timedelta
 from functools import partial
 from itertools import chain, izip, repeat
@@ -42,6 +42,129 @@ from blink.widgets.color import ColorHelperMixin
 from blink.widgets.util import ContextMenuActions
 
 
+class RTPStreamInfo(object):
+    dataset_size = 5000
+    average_interval = 10
+
+    def __init__(self):
+        self.ice_status = None
+        self.encryption = None
+        self.codec_name = None
+        self.sample_rate = None
+        self.local_address = None
+        self.remote_address = None
+        self.local_rtp_candidate = None
+        self.remote_rtp_candidate = None
+        self.latency = deque(maxlen=self.dataset_size)
+        self.packet_loss = deque(maxlen=self.dataset_size)
+        self.jitter = deque(maxlen=self.dataset_size)
+        self.incoming_traffic = deque(maxlen=self.dataset_size)
+        self.outgoing_traffic = deque(maxlen=self.dataset_size)
+        self.bytes_sent = 0
+        self.bytes_received = 0
+        self._total_packets = 0
+        self._total_packets_lost = 0
+        self._total_packets_discarded = 0
+        self._average_loss_queue = deque(maxlen=self.average_interval)
+
+    @property
+    def codec(self):
+        return '%s %dkHz' % (self.codec_name, self.sample_rate/1000) if self.codec_name else None
+
+    def _update(self, stream):
+        if stream is not None:
+            self.codec_name = stream.codec
+            self.sample_rate = stream.sample_rate
+            self.local_address = stream.local_rtp_address
+            self.remote_address = stream.remote_rtp_address
+            self.encryption = 'SRTP' if stream.srtp_active else None
+            if stream.session and not stream.session.account.nat_traversal.use_ice:
+                self.ice_status = 'disabled'
+
+    def _update_statistics(self, statistics):
+        if statistics:
+            packets = statistics['rx']['packets'] - self._total_packets
+            packets_lost = statistics['rx']['packets_lost'] - self._total_packets_lost
+            packets_discarded = statistics['rx']['packets_discarded'] - self._total_packets_discarded
+            self._average_loss_queue.append(100.0 * packets_lost / (packets + packets_lost - packets_discarded) if packets_lost else 0)
+            self._total_packets += packets
+            self._total_packets_lost += packets_lost
+            self._total_packets_discarded += packets_discarded
+            self.latency.append(statistics['rtt']['last'] / 1000 / 2)
+            self.jitter.append(statistics['rx']['jitter']['last'] / 1000)
+            self.incoming_traffic.append(float(statistics['rx']['bytes'] - self.bytes_received)) # bytes/second
+            self.outgoing_traffic.append(float(statistics['tx']['bytes'] - self.bytes_sent))     # bytes/second
+            self.bytes_sent = statistics['tx']['bytes']
+            self.bytes_received = statistics['rx']['bytes']
+            self.packet_loss.append(sum(self._average_loss_queue) / self.average_interval)
+
+    def _reset(self):
+        self.__init__()
+
+
+class MSRPStreamInfo(object):
+    def __init__(self):
+        self.local_address = None
+        self.remote_address = None
+        self.transport = None
+        self.full_local_path = []
+        self.full_remote_path = []
+
+    def _update(self, stream):
+        if stream is not None:
+            if stream.msrp:
+                self.transport = stream.transport
+                self.local_address = stream.msrp.local_uri.host
+                self.remote_address = stream.msrp.next_host().host
+                self.full_local_path = stream.msrp.full_local_path
+                self.full_remote_path = stream.msrp.full_remote_path
+            elif stream.session:
+                self.transport = stream.transport
+                self.local_address = stream.local_uri.host
+
+    def _reset(self):
+        self.__init__()
+
+
+class StreamsInfo(object):
+    __slots__ = 'audio', 'video', 'chat'
+
+    def __init__(self):
+        self.audio = RTPStreamInfo()
+        self.video = RTPStreamInfo()
+        self.chat = MSRPStreamInfo()
+
+    def __getitem__(self, key):
+        try:
+            return getattr(self, key)
+        except AttributeError:
+            raise KeyError(key)
+
+    def _update(self, streams):
+        self.audio._update(streams.get('audio'))
+        self.video._update(streams.get('video'))
+        self.chat._update(streams.get('chat'))
+
+
+class SessionInfo(object):
+    def __init__(self):
+        self.duration = timedelta(0)
+        self.local_address = None
+        self.remote_address = None
+        self.transport = None
+        self.remote_user_agent = None
+        self.streams = StreamsInfo()
+
+    def _update(self, session):
+        sip_session = session.sip_session
+        if sip_session is not None:
+            self.transport = sip_session.transport
+            self.local_address = session.account.contact[self.transport].host
+            self.remote_address = sip_session.peer_address # consider reading from sip_session.route if peer_address is None (route can also be None) -Dan
+            self.remote_user_agent = sip_session.remote_user_agent
+        self.streams._update(session.streams)
+
+
 class StreamDescription(object):
     def __init__(self, type, **kw):
         self.type = type
@@ -59,65 +182,6 @@ class StreamDescription(object):
             return "%s(%r)" % (self.__class__.__name__, self.type)
 
 
-class StreamInfo(object):
-    def __init__(self, status=None, ice_status=None, encryption=None, hd=False, codec=''):
-        self.status = status
-        self.ice_status = ice_status
-        self.encryption = encryption
-        self.hd = hd
-        self.codec = codec
-
-    @classmethod
-    def from_stream(cls, stream):
-        instance = cls()
-        instance.update(stream)
-        return instance
-
-    def update(self, stream):
-        if stream.type not in ('audio', 'video'):
-            raise ValueError('only audio and video streams are supported')
-        if stream.type == 'audio':
-            self.ice_status = 'Active' if stream.ice_active else 'Inactive'
-            self.encryption = 'SRTP' if stream.srtp_active else None
-            self.hd = stream.sample_rate/1000 >= 16
-            self.codec = '%s %dkHz' % (stream.codec, stream.sample_rate/1000)
-        elif stream.type == 'video':
-            self.ice_status = 'Active' if stream.ice_active else 'Inactive'
-            self.encryption = 'SRTP' if stream.srtp_active else None
-            self.hd = stream.clock_rate/1024 >= 512
-            self.codec = '%s %dkbit' % (stream.codec, stream.clock_rate/1024)
-
-    def __repr__(self):
-        return "{0.__class__.__name__}(status={0.status!r}, ice_status={0.ice_status!r}, encryption={0.encryption!r}, hd={0.hd!r}, codec={0.codec!r})".format(self)
-
-
-class StreamStatistics(object):
-    def __init__(self, audio=None, video=None):
-        self.audio = audio
-        self.video = video
-
-
-class RTPStatistics(object):
-    def __init__(self, latency=0, packet_loss=0, jitter=0, sent_bytes=0, received_bytes=0):
-        self.latency = latency
-        self.packet_loss = packet_loss
-        self.jitter = jitter
-        self.sent_bytes = sent_bytes
-        self.received_bytes = received_bytes
-
-    @classmethod
-    def load(cls, data):
-        latency = data['rtt']['last'] / 1000
-        packet_loss = int(data['rx']['packets_lost']*100.0/data['rx']['packets']) if data['rx']['packets'] else 0
-        jitter = data['rx']['jitter']['last'] / 1000
-        sent_bytes = data['tx']['bytes']
-        received_bytes = data['rx']['bytes']
-        return cls(latency, packet_loss, jitter, sent_bytes, received_bytes)
-
-    def __repr__(self):
-        return "{0.__class__.__name__}(latency={0.latency!r}, packet_loss={0.packet_loss!r}, jitter={0.jitter!r}, sent_bytes={0.sent_bytes!r}, received_bytes={0.received_bytes!r})".format(self)
-
-
 class StreamSet(object):
     def __init__(self, streams):
         self._stream_map = {stream.type: stream for stream in streams}
@@ -181,8 +245,6 @@ class StreamContainer(object):
         old_stream = self._stream_map.get(stream.type, None)
         if old_stream is not None:
             notification_center.remove_observer(self._session, sender=old_stream)
-        if stream.type in ('audio', 'video'):
-            stream.info = StreamInfo()
         stream.blink_session = self._session
         self._stream_map[stream.type] = stream
         notification_center.add_observer(self._session, sender=stream)
@@ -271,8 +333,6 @@ class BlinkSession(QObject):
     implements(IObserver)
 
     # check what should be a signal and what a notification -Dan
-    streamInfoUpdated = pyqtSignal(object)
-    infoUpdated       = pyqtSignal(object, object) # duration, stream statistics
     conferenceChanged = pyqtSignal(object, object) # old_conference, new_conference
 
     streams = StreamListDescriptor()
@@ -313,7 +373,7 @@ class BlinkSession(QObject):
         self.remote_hold = False
         self.recording = False
 
-        self.duration = timedelta(0)
+        self.info = SessionInfo()
 
         self._sibling = None
 
@@ -437,6 +497,10 @@ class BlinkSession(QObject):
     def reusable(self):
         return self.persistent and self.state in (None, 'initialized', 'ended')
 
+    @property
+    def duration(self):
+        return self.info.duration
+
     def init_incoming(self, sip_session, streams, contact, contact_uri, reinitialize=False):
         assert self.state in (None, 'initialized', 'ended')
         assert self.contact is None or contact.settings is self.contact.settings
@@ -453,11 +517,13 @@ class BlinkSession(QObject):
         self.contact_uri = contact_uri
         self.uri = self._parse_uri(contact_uri.uri)
         self.streams.extend(streams)
+        self.info._update(self)
         self.state = 'connecting'
         if reinitialize:
             notification_center.post_notification('BlinkSessionDidReinitializeForIncoming', sender=self)
         else:
             notification_center.post_notification('BlinkSessionNewIncoming', sender=self)
+        notification_center.post_notification('BlinkSessionInfoUpdated', sender=self, data=NotificationData(elements={'session', 'media', 'statistics'}))
         notification_center.post_notification('BlinkSessionConnectionProgress', sender=self, data=NotificationData(stage='connecting'))
         self.sip_session.accept(streams)
 
@@ -480,10 +546,12 @@ class BlinkSession(QObject):
         self.stream_descriptions = StreamSet(stream_descriptions)
         self._sibling = sibling
         self.state = 'initialized'
+        self.info._update(self)
         if reinitialize:
             notification_center.post_notification('BlinkSessionDidReinitializeForOutgoing', sender=self)
         else:
             notification_center.post_notification('BlinkSessionNewOutgoing', sender=self)
+        notification_center.post_notification('BlinkSessionInfoUpdated', sender=self, data=NotificationData(elements={'session', 'media', 'statistics'}))
 
     def connect(self):
         assert self.direction == 'outgoing' and self.state == 'initialized'
@@ -514,11 +582,13 @@ class BlinkSession(QObject):
         assert self.state == 'connected'
         if stream_description.type in self.streams:
             raise RuntimeError('session already has a stream of type %s' % stream_description.type)
+        self.info.streams[stream_description.type]._reset()
         stream = stream_description.create_stream()
         self.sip_session.add_stream(stream)
         self.streams.add(stream)
         notification_center = NotificationCenter()
         notification_center.post_notification('BlinkSessionWillAddStream', sender=self, data=NotificationData(stream=stream))
+        notification_center.post_notification('BlinkSessionInfoUpdated', sender=self, data=NotificationData(elements={'media', 'statistics'}))
 
     def remove_stream(self, stream):
         assert self.state == 'connected'
@@ -536,8 +606,10 @@ class BlinkSession(QObject):
         self.sip_session.accept_proposal(streams)
         notification_center = NotificationCenter()
         for stream in streams:
+            self.info.streams[stream.type]._reset()
             self.streams.add(stream)
             notification_center.post_notification('BlinkSessionWillAddStream', sender=self, data=NotificationData(stream=stream))
+        notification_center.post_notification('BlinkSessionInfoUpdated', sender=self, data=NotificationData(elements={'media', 'statistics'}))
 
     def hold(self):
         if self.sip_session is not None and not self.local_hold:
@@ -635,7 +707,11 @@ class BlinkSession(QObject):
         self.remote_hold = False
         self.recording = False
 
-        self.state = 'ended'
+        state = BlinkSessionState('ended')
+        state.reason = reason
+        state.error = error
+
+        self.state = state
         notification_center.post_notification('BlinkSessionDidEnd', sender=self, data=NotificationData(reason=reason, error=error))
 
         if not self.persistent:
@@ -666,18 +742,11 @@ class BlinkSession(QObject):
         return uri
 
     def _SH_TimerFired(self):
-        self.duration += timedelta(seconds=1)
-        audio_stream = self.streams.get('audio')
-        if audio_stream is not None and audio_stream.statistics is not None:
-            audio_stats = RTPStatistics.load(audio_stream.statistics)
-        else:
-            audio_stats = None
-        video_stream = self.streams.get('video')
-        if video_stream is not None and video_stream.statistics is not None:
-            video_stats = RTPStatistics.load(video_stream.statistics)
-        else:
-            video_stats = None
-        self.infoUpdated.emit(self.duration, StreamStatistics(audio=audio_stats, video=video_stats))
+        self.info.duration += timedelta(seconds=1)
+        self.info.streams.audio._update_statistics(self.streams.get('audio', Null).statistics)
+        self.info.streams.video._update_statistics(self.streams.get('video', Null).statistics)
+        notification_center = NotificationCenter()
+        notification_center.post_notification('BlinkSessionInfoUpdated', sender=self, data=NotificationData(elements={'statistics'}))
 
     @run_in_gui_thread
     def handle_notification(self, notification):
@@ -701,7 +770,9 @@ class BlinkSession(QObject):
 
     def _NH_SIPSessionNewOutgoing(self, notification):
         self.state = 'connecting'
+        self.info._update(self)
         notification.center.post_notification('BlinkSessionConnectionProgress', sender=self, data=NotificationData(stage='connecting'))
+        notification.center.post_notification('BlinkSessionInfoUpdated', sender=self, data=NotificationData(elements={'session'}))
 
     def _NH_SIPSessionGotProvisionalResponse(self, notification):
         if notification.data.code == 180:
@@ -710,10 +781,14 @@ class BlinkSession(QObject):
         elif notification.data.code == 183:
             self.state = 'connecting/early_media'
             notification.center.post_notification('BlinkSessionConnectionProgress', sender=self, data=NotificationData(stage='early_media'))
+        self.info._update(self)
+        notification.center.post_notification('BlinkSessionInfoUpdated', sender=self, data=NotificationData(elements={'session', 'media'}))
 
     def _NH_SIPSessionWillStart(self, notification):
         self.state = 'connecting/starting'
+        self.info._update(self)
         notification.center.post_notification('BlinkSessionConnectionProgress', sender=self, data=NotificationData(stage='starting'))
+        notification.center.post_notification('BlinkSessionInfoUpdated', sender=self, data=NotificationData(elements={'session', 'media'}))
 
     def _NH_SIPSessionDidStart(self, notification):
         for stream in set(self.streams).difference(notification.data.streams):
@@ -721,16 +796,9 @@ class BlinkSession(QObject):
         if self.state not in ('ending', 'ended', 'deleted'):
             self.state = 'connected'
             self.timer.start()
-            audio_stream = self.streams.get('audio')
-            if audio_stream is not None:
-                audio_stream.info.update(audio_stream)
-                self.streamInfoUpdated.emit(audio_stream)
-            video_stream = self.streams.get('video')
-            if video_stream is not None:
-                video_stream.info.update(video_stream)
-                self.streamInfoUpdated.emit(video_stream)
-            notification_center = NotificationCenter()
-            notification_center.post_notification('BlinkSessionDidConnect', sender=self)
+            self.info._update(self)
+            notification.center.post_notification('BlinkSessionDidConnect', sender=self)
+            notification.center.post_notification('BlinkSessionInfoUpdated', sender=self, data=NotificationData(elements={'session', 'media'}))
 
     def _NH_SIPSessionDidFail(self, notification):
         if notification.data.failure_reason == 'user request':
@@ -761,14 +829,6 @@ class BlinkSession(QObject):
         accepted_streams = notification.data.accepted_streams
         proposed_streams = notification.data.proposed_streams
         if self.state not in ('ending', 'ended', 'deleted'):
-            audio_stream = self.streams.get('audio')
-            if audio_stream is not None and audio_stream in accepted_streams:
-                audio_stream.info.update(audio_stream)
-                self.streamInfoUpdated.emit(audio_stream)
-            video_stream = self.streams.get('video')
-            if video_stream is not None and video_stream in accepted_streams:
-                video_stream.info.update.emit(video_stream)
-                self.streamInfoUpdated(video_stream)
             self.state = 'connected'
         for stream in proposed_streams:
             if stream in accepted_streams:
@@ -776,6 +836,9 @@ class BlinkSession(QObject):
             else:
                 self.streams.remove(stream)
                 notification.center.post_notification('BlinkSessionDidNotAddStream', sender=self, data=NotificationData(stream=stream))
+        if accepted_streams:
+            self.info.streams._update(self.streams)
+            notification.center.post_notification('BlinkSessionInfoUpdated', sender=self, data=NotificationData(elements={'media'}))
 
     def _NH_SIPSessionProposalRejected(self, notification):
         for stream in set(notification.data.proposed_streams).intersection(self.streams):
@@ -803,17 +866,26 @@ class BlinkSession(QObject):
             self.unhold()
 
     def _NH_AudioStreamICENegotiationStateDidChange(self, notification):
-        audio_stream = notification.sender
         state = notification.data.state
         if state == 'GATHERING':
-            audio_stream.info.status = 'Gathering ICE candidates'
+            self.info.streams.audio.ice_status = 'gathering'
+            notification.center.post_notification('BlinkSessionInfoUpdated', sender=self, data=NotificationData(elements={'media'}))
+        if state == 'GATHERING_COMPLETE':
+            self.info.streams.audio.ice_status = 'gathering_complete'
+            notification.center.post_notification('BlinkSessionInfoUpdated', sender=self, data=NotificationData(elements={'media'}))
         elif state == 'NEGOTIATING':
-            audio_stream.info.status = 'Negotiating ICE'
-        elif state == 'RUNNING':
-            audio_stream.info.status = 'ICE negotiation succeeded'
-        elif state == 'FAILED':
-            audio_stream.info.status = 'ICE negotiation failed'
-        self.streamInfoUpdated.emit(audio_stream)
+            self.info.streams.audio.ice_status = 'negotiating'
+            notification.center.post_notification('BlinkSessionInfoUpdated', sender=self, data=NotificationData(elements={'media'}))
+
+    def _NH_AudioStreamICENegotiationDidSucceed(self, notification):
+        self.info.streams.audio.ice_status = 'succeeded'
+        self.info.streams.audio.local_rtp_candidate = notification.sender.local_rtp_candidate
+        self.info.streams.audio.remote_rtp_candidate = notification.sender.remote_rtp_candidate
+        notification.center.post_notification('BlinkSessionInfoUpdated', sender=self, data=NotificationData(elements={'media'}))
+
+    def _NH_AudioStreamICENegotiationDidFail(self, notification):
+        self.info.streams.audio.ice_status = 'failed'
+        notification.center.post_notification('BlinkSessionInfoUpdated', sender=self, data=NotificationData(elements={'media'}))
 
     def _NH_AudioStreamGotDTMF(self, notification):
         digit_map = {'*': 'star'}
@@ -893,9 +965,6 @@ class AudioSessionItem(object):
 
         self.__deleted__ = False
 
-        self.blink_session.infoUpdated.connect(self._SH_BlinkSessionInfoUpdated)
-        self.blink_session.streamInfoUpdated.connect(self._SH_BlinkSessionStreamInfoUpdated)
-
         notification_center = NotificationCenter()
         notification_center.add_observer(self, sender=self.blink_session)
 
@@ -1033,7 +1102,7 @@ class AudioSessionItem(object):
 
     @property
     def duration(self):
-        return self.blink_session.duration
+        return self.blink_session.info.duration
 
     def end(self):
         # this needs to consider the case where the audio stream is being added. in that case we need to cancel the proposal -Dan
@@ -1061,8 +1130,6 @@ class AudioSessionItem(object):
         self.widget.hold_button.setEnabled(False)
         self.widget.record_button.setEnabled(False)
         self.widget.hangup_button.setEnabled(False)
-        self.blink_session.infoUpdated.disconnect(self._SH_BlinkSessionInfoUpdated)
-        self.blink_session.streamInfoUpdated.disconnect(self._SH_BlinkSessionStreamInfoUpdated)
 
     def _reset_status(self):
         if not self.blink_session.on_hold:
@@ -1087,20 +1154,6 @@ class AudioSessionItem(object):
         else:
             self.blink_session.stop_recording()
 
-    def _SH_BlinkSessionInfoUpdated(self, duration, statistics):
-        self.widget.duration_label.value = duration
-        # TODO: compute packet loss and latency statistics -Saul
-
-    def _SH_BlinkSessionStreamInfoUpdated(self, stream):
-        if stream is self.audio_stream:
-            if stream.info.status:
-                self.status = Status(stream.info.status)
-            else:
-                self.status = None
-            self.type = 'HD Audio' if stream.info.hd else 'Audio'
-            self.codec_info = stream.info.codec
-            self.srtp = stream.info.encryption == 'SRTP'
-
     def handle_notification(self, notification):
         handler = getattr(self, '_NH_%s' % notification.name, Null)
         handler(notification)
@@ -1119,6 +1172,16 @@ class AudioSessionItem(object):
         else:
             self.status = None
 
+    def _NH_BlinkSessionInfoUpdated(self, notification):
+        if 'media' in notification.data.elements:
+            audio_info = self.blink_session.info.streams.audio
+            self.type = 'HD Audio' if audio_info.sample_rate >= 16000 else 'Audio'
+            self.codec_info = audio_info.codec
+            self.srtp = audio_info.encryption == 'SRTP'
+        if 'statistics' in notification.data.elements:
+            self.widget.duration_label.value = self.blink_session.info.duration
+            # TODO: compute packet loss and latency statistics -Saul
+
     def _NH_BlinkSessionDidChangeHoldState(self, notification):
         self.widget.hold_button.setChecked(notification.data.local_hold)
         if self.blink_session.state == 'connected':
@@ -2619,6 +2682,7 @@ class ChatSessionListView(QListView):
 
         self.setMouseTracking(True)
         self.setAlternatingRowColors(True)
+        self.setAutoFillBackground(True)
         self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
         self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
         #self.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded) # default

blink/widgets/containers.py

+# Copyright (c) 2014 AG Projects. See LICENSE for details.
+#
+
+__all__ = ['SlidingStackedWidget']
+
+from PyQt4.QtCore import QEasingCurve, QParallelAnimationGroup, QPropertyAnimation, QPoint, pyqtSignal
+from PyQt4.QtGui  import QStackedWidget
+
+from blink.widgets.util import QtDynamicProperty
+
+
+class SlidingStackedWidget(QStackedWidget):
+    animationEasingCurve = QtDynamicProperty('animationEasingCurve', int)
+    animationDuration = QtDynamicProperty('animationDuration', int)
+    verticalMode = QtDynamicProperty('verticalMode', bool)
+    wrap = QtDynamicProperty('wrap', bool)
+
+    animationFinished = pyqtSignal()
+
+    LeftToRight, RightToLeft, TopToBottom, BottomToTop, Automatic = range(5)
+
+    def __init__(self, parent=None):
+        super(SlidingStackedWidget, self).__init__(parent)
+        self.animationEasingCurve = QEasingCurve.Linear
+        self.animationDuration = 250
+        self.verticalMode = False
+        self.wrap = False
+        self._active = False
+        self._animation_group = QParallelAnimationGroup()
+        self._animation_group.finished.connect(self._SH_AnimationGroupFinished)
+
+    def slideInNext(self):
+        next_index = self.currentIndex() + 1
+        if self.wrap or next_index < self.count():
+            self.slideInIndex(next_index % self.count(), direction=self.BottomToTop if self.verticalMode else self.RightToLeft)
+
+    def slideInPrev(self):
+        previous_index = self.currentIndex() - 1
+        if self.wrap or previous_index >= 0:
+            self.slideInIndex(previous_index % self.count(), direction=self.TopToBottom if self.verticalMode else self.LeftToRight)
+
+    def slideInIndex(self, index, direction=Automatic):
+        self.slideInWidget(self.widget(index), direction)
+
+    def slideInWidget(self, widget, direction=Automatic):
+        if self.indexOf(widget) == -1 or widget is self.currentWidget():
+            return
+
+        if self._active:
+            return
+
+        self._active = True
+
+        prev_widget = self.currentWidget()
+        next_widget = widget
+
+        if direction == self.Automatic:
+            if self.indexOf(prev_widget) < self.indexOf(next_widget):
+                direction = self.BottomToTop if self.verticalMode else self.RightToLeft
+            else:
+                direction = self.TopToBottom if self.verticalMode else self.LeftToRight
+
+        width = self.frameRect().width()
+        height = self.frameRect().height()
+
+        # the following is important, to ensure that the new widget has correct geometry information when sliding in the first time
+        next_widget.setGeometry(0, 0, width, height)
+
+        if direction in (self.TopToBottom, self.BottomToTop):
+            offset = QPoint(0, height if direction==self.TopToBottom else -height)
+        elif direction in (self.LeftToRight, self.RightToLeft):
+            offset = QPoint(width if direction==self.LeftToRight else -width, 0)
+
+        # re-position the next widget outside of the display area
+        prev_widget_position = prev_widget.pos()
+        next_widget_position = next_widget.pos()
+
+        next_widget.move(next_widget_position - offset)
+        next_widget.show()
+        next_widget.raise_()
+
+        prev_widget_animation = QPropertyAnimation(prev_widget, "pos")
+        prev_widget_animation.setDuration(self.animationDuration)
+        prev_widget_animation.setEasingCurve(QEasingCurve(self.animationEasingCurve))
+        prev_widget_animation.setStartValue(prev_widget_position)
+        prev_widget_animation.setEndValue(prev_widget_position + offset)
+
+        next_widget_animation = QPropertyAnimation(next_widget, "pos")
+        next_widget_animation.setDuration(self.animationDuration)
+        next_widget_animation.setEasingCurve(QEasingCurve(self.animationEasingCurve))
+        next_widget_animation.setStartValue(next_widget_position - offset)
+        next_widget_animation.setEndValue(next_widget_position)
+
+        self._animation_group.clear()
+        self._animation_group.addAnimation(prev_widget_animation)
+        self._animation_group.addAnimation(next_widget_animation)
+        self._animation_group.start()
+
+    def _SH_AnimationGroupFinished(self):
+        prev_widget_animation = self._animation_group.animationAt(0)
+        next_widget_animation = self._animation_group.animationAt(1)
+        prev_widget = prev_widget_animation.targetObject()
+        next_widget = next_widget_animation.targetObject()
+        self.setCurrentWidget(next_widget)
+        prev_widget.hide() # this may have been done already by QStackedWidget when changing the current widget above -Dan
+        prev_widget.move(prev_widget_animation.startValue()) # move the outshifted widget back to its original position
+        self._animation_group.clear()
+        self._active = False
+        self.animationFinished.emit()
+
+

blink/widgets/graph.py

+# Copyright (c) 2014 AG Projects. See LICENSE for details.
+#
+
+__all__ = ['Graph', 'GraphWidget', 'HeightScaler', 'LogarithmicScaler', 'MaxScaler', 'SoftScaler']
+
+from PyQt4.QtCore import Qt, QLine, QPointF, QMetaObject, pyqtSignal
+from PyQt4.QtGui  import QColor, QLinearGradient, QPainterPath, QPen, QPolygonF, QStyle, QStyleOption, QStylePainter, QWidget
+
+from abc import ABCMeta, abstractmethod
+from application.python import limit
+from collections import deque
+from itertools import chain, islice
+from math import ceil, log10, modf
+
+from blink.widgets.color import ColorHelperMixin
+from blink.widgets.util import QtDynamicProperty
+
+
+class HeightScaler(object):
+    __metaclass__ = ABCMeta
+
+    @abstractmethod
+    def get_height(self, max_value):
+        return NotImplemented
+
+
+class LogarithmicScaler(HeightScaler):
+    """A scaler that returns the closest next power of 10"""
+
+    def get_height(self, max_value):
+        return 10 ** int(ceil(log10(max_value or 1)))
+
+
+class MaxScaler(HeightScaler):
+    """A scaler that returns the max_value"""
+
+    def get_height(self, max_value):
+        return max_value
+
+
+class SoftScaler(HeightScaler):
+    """A scaler that returns the closest next value from the series: { ..., 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50, ... }"""
+
+    def __init__(self):
+        self.point_20 = log10(2)
+        self.point_50 = log10(5)
+
+    def get_height(self, max_value):
+        fraction, integer = modf(log10(max_value or 0.9))
+        if fraction < -self.point_50:
+            return 10**integer / 5
+        elif fraction < -self.point_20:
+            return 10**integer / 2
+        elif fraction < 0:
+            return 10**integer
+        elif fraction < self.point_20:
+            return 10**integer * 2
+        elif fraction < self.point_50:
+            return 10**integer * 5
+        else:
+            return 10**integer * 10
+
+
+class Graph(object):
+    def __init__(self, data, color, over_boundary_color=None, fill_envelope=False, enabled=True):
+        self.data = data
+        self.color = color
+        self.over_boundary_color = over_boundary_color or color
+        self.fill_envelope = fill_envelope
+        self.enabled = enabled
+
+    @property
+    def max_value(self):
+        return max(self.data) if self.data else 0
+
+    @property
+    def last_value(self):
+        return self.data[-1] if self.data else 0
+
+
+class GraphWidget(QWidget, ColorHelperMixin):
+    graphStyle = QtDynamicProperty('graphStyle', type=int)
+    graphHeight = QtDynamicProperty('graphHeight', type=float)
+    minHeight = QtDynamicProperty('minHeight', type=float)
+    lineThickness = QtDynamicProperty('lineThickness', type=float)
+    horizontalPixelsPerUnit = QtDynamicProperty('horizontalPixelsPerUnit', type=int)
+    boundary = QtDynamicProperty('boundary', type=float)
+    boundaryColor = QtDynamicProperty('boundaryColor', type=QColor)
+    smoothEnvelope = QtDynamicProperty('smoothEnvelope', type=bool)
+    smoothFactor = QtDynamicProperty('smoothFactor', type=float)
+    fillEnvelope = QtDynamicProperty('fillEnvelope', type=bool)
+    fillTransparency = QtDynamicProperty('fillTransparency', type=int)
+
+    EnvelopeStyle, BarStyle = range(2)
+    AutomaticHeight = 0
+
+    updated = pyqtSignal()
+
+    def __init__(self, parent=None):
+        super(GraphWidget, self).__init__(parent)
+        self.graphStyle = self.EnvelopeStyle
+        self.graphHeight = self.AutomaticHeight
+        self.minHeight = 0
+        self.lineThickness = 1.6
+        self.horizontalPixelsPerUnit = 2
+        self.boundary = None
+        self.boundaryColor = None
+        self.smoothEnvelope = True
+        self.smoothFactor = 0.1
+        self.fillEnvelope = True
+        self.fillTransparency = 50
+        self.scaler = SoftScaler()
+        self.graphs = []
+        self.__dict__['graph_width'] = 0
+        self.__dict__['graph_height'] = 0
+        self.__dict__['max_value'] = 0
+
+    def _get_scaler(self):
+        return self.__dict__['scaler']
+
+    def _set_scaler(self, scaler):
+        if not isinstance(scaler, HeightScaler):
+            raise TypeError("scaler must be a HeightScaler instance")
+        self.__dict__['scaler'] = scaler
+
+    scaler = property(_get_scaler, _set_scaler)
+    del _get_scaler, _set_scaler
+
+    @property
+    def graph_width(self):
+        return self.__dict__['graph_width']
+
+    @property
+    def graph_height(self):
+        return self.__dict__['graph_height']
+
+    @property
+    def max_value(self):
+        return self.__dict__['max_value']
+
+    def paintEvent(self, event):
+        option = QStyleOption()
+        option.initFrom(self)
+
+        contents_rect = self.style().subElementRect(QStyle.SE_FrameContents, option, self) or self.contentsRect() # the SE_FrameContents rect is Null unless the stylesheet defines decorations
+
+        if self.graphStyle == self.BarStyle:
+            graph_width = self.__dict__['graph_width'] = int(ceil(float(contents_rect.width()) / self.horizontalPixelsPerUnit))
+        else:
+            graph_width = self.__dict__['graph_width'] = int(ceil(float(contents_rect.width() - 1) / self.horizontalPixelsPerUnit) + 1)
+
+        max_value = self.__dict__['max_value'] = max(chain([0], *(islice(reversed(graph.data), graph_width) for graph in self.graphs if graph.enabled)))
+
+        if self.graphHeight == self.AutomaticHeight or self.graphHeight < 0:
+            graph_height = self.__dict__['graph_height'] = max(self.scaler.get_height(max_value), self.minHeight)
+        else:
+            graph_height = self.__dict__['graph_height'] = max(self.graphHeight, self.minHeight)
+
+        if self.graphStyle == self.BarStyle:
+            height_scaling = float(contents_rect.height()) / graph_height
+        else:
+            height_scaling = float(contents_rect.height() - self.lineThickness) / graph_height
+
+        painter = QStylePainter(self)
+        painter.drawPrimitive(QStyle.PE_Widget, option)
+
+        painter.setClipRect(contents_rect)
+
+        painter.save()
+        painter.translate(contents_rect.x() + contents_rect.width() - 1, contents_rect.y() + contents_rect.height() - 1)
+        painter.scale(-1, -1)
+
+        painter.setRenderHint(QStylePainter.Antialiasing, self.graphStyle != self.BarStyle)
+
+        for graph in (graph for graph in self.graphs if graph.enabled and graph.data):
+            if self.boundary is not None and 0 < self.boundary < graph_height:
+                boundary_width = min(5.0/height_scaling, self.boundary-0, graph_height-self.boundary)
+                pen_color = QLinearGradient(0, (self.boundary - boundary_width) * height_scaling, 0, (self.boundary + boundary_width) * height_scaling)
+                pen_color.setColorAt(0, graph.color)
+                pen_color.setColorAt(1, graph.over_boundary_color)
+                brush_color = QLinearGradient(0, (self.boundary - boundary_width) * height_scaling, 0, (self.boundary + boundary_width) * height_scaling)
+                brush_color.setColorAt(0, self.color_with_alpha(graph.color, self.fillTransparency))
+                brush_color.setColorAt(1, self.color_with_alpha(graph.over_boundary_color, self.fillTransparency))
+            else:
+                pen_color = graph.color
+                brush_color = self.color_with_alpha(graph.color, self.fillTransparency)
+            dataset = islice(reversed(graph.data), graph_width)
+            if self.graphStyle == self.BarStyle:
+                lines = [QLine(x*self.horizontalPixelsPerUnit, 0, x*self.horizontalPixelsPerUnit, y*height_scaling) for x, y in enumerate(dataset)]
+                painter.setPen(QPen(pen_color, self.lineThickness))
+                painter.drawLines(lines)
+            else:
+                painter.translate(0, +self.lineThickness/2 - 1)
+
+                if self.smoothEnvelope and self.smoothFactor > 0:
+                    min_value = 0
+                    max_value = graph_height * height_scaling
+                    cx_offset = self.horizontalPixelsPerUnit / 3.0
+                    smoothness = self.smoothFactor
+
+                    last_values = deque(3*[dataset.next() * height_scaling], maxlen=3) # last 3 values: 0 last, 1 previous, 2 previous previous
+
+                    envelope = QPainterPath()
+                    envelope.moveTo(0, last_values[0])
+                    for x, y in enumerate(dataset, 1):
+                        x = x * self.horizontalPixelsPerUnit
+                        y = y * height_scaling * (1 - smoothness) + last_values[0] * smoothness
+                        last_values.appendleft(y)
+                        c1x = x - cx_offset * 2
+                        c2x = x - cx_offset
+                        c1y = limit((1 + smoothness) * last_values[1] - smoothness * last_values[2], min_value, max_value) # same gradient as previous previous value to previous value
+                        c2y = limit((1 - smoothness) * last_values[0] + smoothness * last_values[1], min_value, max_value) # same gradient as previous value to last value
+                        envelope.cubicTo(c1x, c1y, c2x, c2y, x, y)
+                else:
+                    envelope = QPainterPath()
+                    envelope.addPolygon(QPolygonF([QPointF(x*self.horizontalPixelsPerUnit, y*height_scaling) for x, y in enumerate(dataset)]))
+
+                if self.fillEnvelope or graph.fill_envelope:
+                    first_element = envelope.elementAt(0)
+                    last_element = envelope.elementAt(envelope.elementCount() - 1)
+                    fill_path = QPainterPath()
+                    fill_path.moveTo(last_element.x, last_element.y)
+                    fill_path.lineTo(last_element.x + 1, last_element.y)
+                    fill_path.lineTo(last_element.x + 1, -self.lineThickness)
+                    fill_path.lineTo(-self.lineThickness, -self.lineThickness)
+                    fill_path.lineTo(-self.lineThickness, first_element.y)
+                    fill_path.connectPath(envelope)
+                    painter.fillPath(fill_path, brush_color)
+
+                painter.strokePath(envelope, QPen(pen_color, self.lineThickness, join=Qt.RoundJoin))
+
+                painter.translate(0, -self.lineThickness/2 + 1)
+
+        if self.boundary is not None and self.boundaryColor:
+            painter.setRenderHint(QStylePainter.Antialiasing, False)
+            painter.setPen(QPen(self.boundaryColor, 1.0))
+            painter.drawLine(0, self.boundary*height_scaling, contents_rect.width(), self.boundary*height_scaling)
+
+        painter.restore()
+
+        # queue the 'updated' signal to be emited after returning to the main loop
+        QMetaObject.invokeMethod(self, 'updated', Qt.QueuedConnection)
+
+    def add_graph(self, graph):
+        if not isinstance(graph, Graph):
+            raise TypeError("graph should be an instance of Graph")
+        self.graphs.append(graph)
+        if graph.enabled:
+            self.update()
+
+    def remove_graph(self, graph):
+        self.graphs.remove(graph)
+        self.update()
+
+    def clear(self):
+        self.graphs = []
+        self.update()
+
+

resources/chat_window.ui

@@ -124,7 +124,7 @@ QToolButton:pressed {
             <widget class="QWidget" name="session_widget" native="true">
              <property name="minimumSize">
               <size>
-               <width>210</width>
+               <width>230</width>
                <height>0</height>
               </size>
              </property>
@@ -509,12 +509,1335 @@ QWidget#session_widget_no:hover {
             </widget>
            </item>
            <item>
-            <widget class="QStackedWidget" name="info_panels">
+            <widget class="SlidingStackedWidget" name="session_details">
+             <property name="sizePolicy">
+              <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
+               <horstretch>0</horstretch>
+               <verstretch>0</verstretch>
+              </sizepolicy>
+             </property>
              <property name="currentIndex">
-              <number>0</number>
+              <number>2</number>
              </property>
-             <widget class="QWidget" name="chat_panel"/>
-             <widget class="QWidget" name="conference_panel"/>
+             <widget class="QWidget" name="participants_panel">
+              <layout class="QVBoxLayout" name="participants_panel_layout">
+               <property name="margin">
+                <number>0</number>
+               </property>
+               <item>
+                <widget class="QWidget" name="participants_panel_title_widget" native="true">
+                 <property name="minimumSize">
+                  <size>
+                   <width>0</width>
+                   <height>18</height>
+                  </size>
+                 </property>
+                 <property name="styleSheet">
+                  <string notr="true">QWidget#participants_panel_title_widget {
+	border-top-left-radius: 4px;
+	border-top-right-radius: 4px;
+	border: 1px outset #303030;
+	background-color: #505050;
+	border: 1px outset #202020;
+	background-color: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #404040, stop:1 #606060);
+}
+
+QWidget {
+	color: white;
+}
+</string>
+                 </property>
+                 <layout class="QHBoxLayout" name="participants_panel_title_layout">
+                  <property name="spacing">
+                   <number>2</number>
+                  </property>
+                  <property name="leftMargin">
+                   <number>2</number>
+                  </property>
+                  <property name="topMargin">
+                   <number>0</number>
+                  </property>
+                  <property name="rightMargin">
+                   <number>2</number>
+                  </property>
+                  <property name="bottomMargin">
+                   <number>0</number>
+                  </property>
+                  <item>
+                   <widget class="QLabel" name="participants_panel_title_label">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>Participants</string>
+                    </property>
+                    <property name="indent">
+                     <number>3</number>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <widget class="QToolButton" name="participants_panel_files_button">
+                    <property name="minimumSize">
+                     <size>
+                      <width>16</width>
+                      <height>16</height>
+                     </size>
+                    </property>
+                    <property name="maximumSize">
+                     <size>
+                      <width>16</width>
+                      <height>16</height>
+                     </size>
+                    </property>
+                    <property name="focusPolicy">
+                     <enum>Qt::NoFocus</enum>
+                    </property>
+                    <property name="toolTip">
+                     <string>Conference Files</string>
+                    </property>
+                    <property name="styleSheet">
+                     <string notr="true">QToolButton {
+	background: transparent;
+	border: 2px solid #808080;
+	border-radius: 4px;
+	margin: 0px;
+	padding: 1px;
+}
+
+QToolButton:hover {
+	border: 2px solid #c0c0c0;
+}
+
+QToolButton:pressed {
+	border: 2px solid #c0c0c0;
+	background: qradialgradient(cx: 0.5, cy: 0.5, radius: 1, fx:0.5, fy:0.5, stop:0 #909090, stop:1 transparent);
+	background-origin: border;
+}
+</string>
+                    </property>
+                    <property name="text">
+                     <string/>
+                    </property>
+                    <property name="icon">
+                     <iconset>
+                      <normaloff>icons/downloads16.svg</normaloff>icons/downloads16.svg</iconset>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <widget class="QToolButton" name="participants_panel_info_button">
+                    <property name="minimumSize">
+                     <size>
+                      <width>16</width>
+                      <height>16</height>
+                     </size>
+                    </property>
+                    <property name="maximumSize">
+                     <size>
+                      <width>16</width>
+                      <height>16</height>
+                     </size>
+                    </property>
+                    <property name="focusPolicy">
+                     <enum>Qt::NoFocus</enum>
+                    </property>
+                    <property name="toolTip">
+                     <string>Session Information</string>
+                    </property>
+                    <property name="styleSheet">
+                     <string notr="true">QToolButton {
+	background: transparent;
+	border: 2px solid #808080;
+	border-radius: 4px;
+	margin: 0px;
+	padding: 1px;
+}
+
+QToolButton:hover {
+	border: 2px solid #c0c0c0;
+}
+
+QToolButton:pressed {
+	border: 2px solid #c0c0c0;
+	background: qradialgradient(cx: 0.5, cy: 0.5, radius: 1, fx:0.5, fy:0.5, stop:0 #909090, stop:1 transparent);
+	background-origin: border;
+}
+</string>
+                    </property>
+                    <property name="text">
+                     <string/>
+                    </property>
+                    <property name="icon">
+                     <iconset>
+                      <normaloff>icons/info16.svg</normaloff>icons/info16.svg</iconset>
+                    </property>
+                   </widget>
+                  </item>
+                 </layout>
+                </widget>
+               </item>
+               <item>
+                <widget class="QListView" name="participants_list">
+                 <property name="styleSheet">
+                  <string notr="true">QListView { border: 1px inset palette(dark); border-radius: 3px; }</string>
+                 </property>
+                </widget>
+               </item>
+              </layout>
+             </widget>
+             <widget class="QWidget" name="files_panel">
+              <layout class="QVBoxLayout" name="files_panel_layout">
+               <property name="margin">
+                <number>0</number>
+               </property>
+               <item>
+                <widget class="QWidget" name="files_panel_title_widget" native="true">
+                 <property name="minimumSize">
+                  <size>
+                   <width>0</width>
+                   <height>18</height>
+                  </size>
+                 </property>
+                 <property name="styleSheet">
+                  <string notr="true">QWidget#files_panel_title_widget {
+	border-top-left-radius: 4px;
+	border-top-right-radius: 4px;
+	border: 1px outset #303030;
+	background-color: #505050;
+	border: 1px outset #202020;
+	background-color: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #404040, stop:1 #606060);
+}
+
+QWidget {
+	color: white;
+}
+</string>
+                 </property>
+                 <layout class="QHBoxLayout" name="files_panel_title_layout">
+                  <property name="spacing">
+                   <number>2</number>
+                  </property>
+                  <property name="leftMargin">
+                   <number>2</number>
+                  </property>
+                  <property name="topMargin">
+                   <number>0</number>
+                  </property>
+                  <property name="rightMargin">
+                   <number>2</number>
+                  </property>
+                  <property name="bottomMargin">
+                   <number>0</number>
+                  </property>
+                  <item>
+                   <widget class="QLabel" name="files_panel_title_label">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>Conference Files</string>
+                    </property>
+                    <property name="indent">
+                     <number>3</number>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <widget class="QToolButton" name="files_panel_participants_button">
+                    <property name="minimumSize">
+                     <size>
+                      <width>16</width>
+                      <height>16</height>
+                     </size>
+                    </property>
+                    <property name="maximumSize">
+                     <size>
+                      <width>16</width>
+                      <height>16</height>
+                     </size>
+                    </property>
+                    <property name="focusPolicy">
+                     <enum>Qt::NoFocus</enum>
+                    </property>
+                    <property name="toolTip">
+                     <string>Conference Participants</string>
+                    </property>
+                    <property name="styleSheet">
+                     <string notr="true">QToolButton {
+	background: transparent;
+	border: 2px solid #808080;
+	border-radius: 4px;
+	margin: 0px;
+	padding: 1px;
+}
+
+QToolButton:hover {
+	border: 2px solid #c0c0c0;
+}
+
+QToolButton:pressed {
+	border: 2px solid #c0c0c0;
+	background: qradialgradient(cx: 0.5, cy: 0.5, radius: 1, fx:0.5, fy:0.5, stop:0 #909090, stop:1 transparent);
+	background-origin: border;
+}
+</string>
+                    </property>
+                    <property name="text">
+                     <string/>
+                    </property>
+                    <property name="icon">
+                     <iconset>
+                      <normaloff>icons/participants16.svg</normaloff>icons/participants16.svg</iconset>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <widget class="QToolButton" name="files_panel_info_button">
+                    <property name="minimumSize">
+                     <size>
+                      <width>16</width>
+                      <height>16</height>
+                     </size>
+                    </property>
+                    <property name="maximumSize">
+                     <size>
+                      <width>16</width>
+                      <height>16</height>
+                     </size>
+                    </property>
+                    <property name="focusPolicy">
+                     <enum>Qt::NoFocus</enum>
+                    </property>
+                    <property name="toolTip">
+                     <string>Session Information</string>
+                    </property>
+                    <property name="styleSheet">
+                     <string notr="true">QToolButton {
+	background: transparent;
+	border: 2px solid #808080;
+	border-radius: 4px;
+	margin: 0px;
+	padding: 1px;
+}
+
+QToolButton:hover {
+	border: 2px solid #c0c0c0;
+}
+
+QToolButton:pressed {
+	border: 2px solid #c0c0c0;
+	background: qradialgradient(cx: 0.5, cy: 0.5, radius: 1, fx:0.5, fy:0.5, stop:0 #909090, stop:1 transparent);
+	background-origin: border;
+}
+</string>
+                    </property>
+                    <property name="text">
+                     <string/>
+                    </property>
+                    <property name="icon">
+                     <iconset>
+                      <normaloff>icons/info16.svg</normaloff>icons/info16.svg</iconset>
+                    </property>
+                   </widget>
+                  </item>
+                 </layout>
+                </widget>
+               </item>
+               <item>
+                <widget class="QListView" name="files_list">
+                 <property name="styleSheet">
+                  <string notr="true">QListView { border: 1px inset palette(dark); border-radius: 3px; }</string>
+                 </property>
+                </widget>
+               </item>
+              </layout>
+             </widget>
+             <widget class="QWidget" name="info_panel">
+              <layout class="QVBoxLayout" name="info_panel_layout">
+               <property name="margin">
+                <number>0</number>
+               </property>
+               <item>
+                <widget class="QWidget" name="info_panel_title_widget" native="true">
+                 <property name="minimumSize">
+                  <size>
+                   <width>0</width>
+                   <height>18</height>
+                  </size>
+                 </property>
+                 <property name="styleSheet">
+                  <string notr="true">QWidget#info_panel_title_widget {
+	border-top-left-radius: 4px;
+	border-top-right-radius: 4px;
+	border: 1px outset #303030;
+	background-color: #505050;
+	border: 1px outset #202020;
+	background-color: qlineargradient(x1:0, y1:0, x2:0, y2:1, stop:0 #404040, stop:1 #606060);
+}
+
+QWidget {
+	color: white;
+}
+</string>
+                 </property>
+                 <layout class="QHBoxLayout" name="info_panel_title_layout">
+                  <property name="spacing">
+                   <number>2</number>
+                  </property>
+                  <property name="leftMargin">
+                   <number>2</number>
+                  </property>
+                  <property name="topMargin">
+                   <number>0</number>
+                  </property>
+                  <property name="rightMargin">
+                   <number>2</number>
+                  </property>
+                  <property name="bottomMargin">
+                   <number>0</number>
+                  </property>
+                  <item>
+                   <widget class="QLabel" name="info_panel_title_label">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>Session Information</string>
+                    </property>
+                    <property name="indent">
+                     <number>2</number>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <widget class="QToolButton" name="info_panel_files_button">
+                    <property name="minimumSize">
+                     <size>
+                      <width>16</width>
+                      <height>16</height>
+                     </size>
+                    </property>
+                    <property name="maximumSize">
+                     <size>
+                      <width>16</width>
+                      <height>16</height>
+                     </size>
+                    </property>
+                    <property name="focusPolicy">
+                     <enum>Qt::NoFocus</enum>
+                    </property>
+                    <property name="toolTip">
+                     <string>Conference Files</string>
+                    </property>
+                    <property name="styleSheet">
+                     <string notr="true">QToolButton {
+	background: transparent;
+	border: 2px solid #808080;
+	border-radius: 4px;
+	margin: 0px;
+	padding: 1px;
+}
+
+QToolButton:hover {
+	border: 2px solid #c0c0c0;
+}
+
+QToolButton:pressed {
+	border: 2px solid #c0c0c0;
+	background: qradialgradient(cx: 0.5, cy: 0.5, radius: 1, fx:0.5, fy:0.5, stop:0 #909090, stop:1 transparent);
+	background-origin: border;
+}
+</string>
+                    </property>
+                    <property name="text">
+                     <string/>
+                    </property>
+                    <property name="icon">
+                     <iconset>
+                      <normaloff>icons/downloads16.svg</normaloff>icons/downloads16.svg</iconset>
+                    </property>
+                   </widget>
+                  </item>
+                  <item>
+                   <widget class="QToolButton" name="info_panel_participants_button">
+                    <property name="minimumSize">
+                     <size>
+                      <width>16</width>
+                      <height>16</height>
+                     </size>
+                    </property>
+                    <property name="maximumSize">
+                     <size>
+                      <width>16</width>
+                      <height>16</height>
+                     </size>
+                    </property>
+                    <property name="focusPolicy">
+                     <enum>Qt::NoFocus</enum>
+                    </property>
+                    <property name="toolTip">
+                     <string>Conference Participants</string>
+                    </property>
+                    <property name="styleSheet">
+                     <string notr="true">QToolButton {
+	background: transparent;
+	border: 2px solid #808080;
+	border-radius: 4px;
+	margin: 0px;
+	padding: 1px;
+}
+
+QToolButton:hover {
+	border: 2px solid #c0c0c0;
+}
+
+QToolButton:pressed {
+	border: 2px solid #c0c0c0;
+	background: qradialgradient(cx: 0.5, cy: 0.5, radius: 1, fx:0.5, fy:0.5, stop:0 #909090, stop:1 transparent);
+	background-origin: border;
+}
+</string>
+                    </property>
+                    <property name="text">
+                     <string/>
+                    </property>
+                    <property name="icon">
+                     <iconset>
+                      <normaloff>icons/participants16.svg</normaloff>icons/participants16.svg</iconset>
+                    </property>
+                   </widget>
+                  </item>
+                 </layout>
+                </widget>
+               </item>
+               <item>
+                <widget class="QWidget" name="info_panel_container_widget" native="true">
+                 <property name="sizePolicy">
+                  <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
+                   <horstretch>0</horstretch>
+                   <verstretch>0</verstretch>
+                  </sizepolicy>
+                 </property>
+                 <property name="styleSheet">
+                  <string notr="true">#info_panel_container_widget &gt; [role=&quot;title&quot;] {
+	margin-top: 10px;
+	font-weight: bold;
+}
+
+#info_panel_container_widget &gt; [role=&quot;name&quot;] {
+	background-color: rbga(0, 0, 0, 10);
+	border-top-left-radius: 3px;
+	border-bottom-left-radius: 3px;
+	border: 1px solid rgba(0, 0, 0, 50);
+	border-right: 0px;
+	padding-right: 7px;
+}
+
+#info_panel_container_widget &gt; [role=&quot;value&quot;] {
+	background-color: rbga(0, 0, 0, 10);
+	border-top-right-radius: 3px;
+	border-bottom-right-radius: 3px;
+	border: 1px solid rgba(0, 0, 0, 50);
+	border-left: 0px;
+	padding-right: 2px;
+}
+
+#info_panel_container_widget &gt; [role=&quot;alt-title&quot;] {
+	background-color: transparent;
+	border-bottom: 1px solid rgba(0, 0, 0, 50);
+	padding-bottom: 1px;
+	margin-top: 8px;
+	font-weight: bold;
+}
+
+#info_panel_container_widget &gt; [role=&quot;alt-name&quot;] {
+	background-color: transparent;
+	border-bottom: 1px solid rgba(0, 0, 0, 50);
+	padding-bottom: 1px;
+	padding-right: 7px;
+}
+
+#info_panel_container_widget &gt; [role=&quot;alt-value&quot;] {
+	background-color: transparent;
+	border-bottom: 1px solid rgba(0, 0, 0, 50);
+	padding-bottom: 1px;
+	padding-right: 2px;
+}
+</string>
+                 </property>
+                 <layout class="QGridLayout" name="info_panel_container_layout">
+                  <property name="leftMargin">
+                   <number>0</number>
+                  </property>
+                  <property name="topMargin">
+                   <number>2</number>
+                  </property>
+                  <property name="rightMargin">
+                   <number>0</number>
+                  </property>
+                  <property name="bottomMargin">
+                   <number>0</number>
+                  </property>
+                  <property name="horizontalSpacing">
+                   <number>0</number>
+                  </property>
+                  <property name="verticalSpacing">
+                   <number>2</number>
+                  </property>
+                  <item row="12" column="0" colspan="2">
+                   <widget class="QWidget" name="packet_loss_widget" native="true">
+                    <layout class="QVBoxLayout" name="packet_loss_layout">
+                     <property name="spacing">
+                      <number>0</number>
+                     </property>
+                     <property name="leftMargin">
+                      <number>0</number>
+                     </property>
+                     <property name="topMargin">
+                      <number>3</number>
+                     </property>
+                     <property name="rightMargin">
+                      <number>0</number>
+                     </property>
+                     <property name="bottomMargin">
+                      <number>0</number>
+                     </property>
+                     <item>
+                      <widget class="QLabel" name="packet_loss_label">
+                       <property name="styleSheet">
+                        <string notr="true">QLabel {
+	border-top-left-radius: 4px;
+	border-top-right-radius: 4px;
+	border: 1px solid #606060;
+	background-color: rgba(0, 0, 0, 60);
+}
+</string>
+                       </property>
+                       <property name="text">
+                        <string>Packet Loss: 0.0%, max=0.0%</string>
+                       </property>
+                       <property name="indent">
+                        <number>5</number>
+                       </property>
+                      </widget>
+                     </item>
+                     <item>
+                      <widget class="GraphWidget" name="packet_loss_graph" native="true">
+                       <property name="minimumSize">
+                        <size>
+                         <width>0</width>
+                         <height>50</height>
+                        </size>
+                       </property>
+                       <property name="styleSheet">
+                        <string notr="true">QWidget#packet_loss_graph {
+	border: 1px solid #606060;
+	border-top: 1px solid transparent;
+	background-color: #f8f8f8;
+}</string>
+                       </property>
+                       <property name="minHeight" stdset="0">
+                        <double>10.000000000000000</double>
+                       </property>
+                       <property name="boundary" stdset="0">
+                        <double>3.000000000000000</double>
+                       </property>
+                       <property name="lineThickness" stdset="0">
+                        <double>1.600000000000000</double>
+                       </property>
+                       <property name="smoothEnvelope" stdset="0">
+                        <bool>false</bool>
+                       </property>
+                      </widget>
+                     </item>
+                    </layout>
+                   </widget>
+                  </item>
+                  <item row="2" column="0">
+                   <widget class="QLabel" name="account_title_label">
+                    <property name="text">
+                     <string>Account</string>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">name</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="1" column="0">
+                   <widget class="QLabel" name="duration_title_label">
+                    <property name="text">
+                     <string>Duration</string>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">name</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="7" column="1">
+                   <widget class="ElidedLabel" name="chat_addresses_value_label">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Ignored" vsizetype="Preferred">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>10.0.0.1 ⇄ tls:1.2.3.4</string>
+                    </property>
+                    <property name="indent">
+                     <number>0</number>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">value</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="3" column="0">
+                   <widget class="QLabel" name="remote_agent_title_label">
+                    <property name="text">
+                     <string>Remote Agent</string>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">name</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="3" column="1">
+                   <widget class="ElidedLabel" name="remote_agent_value_label">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Ignored" vsizetype="Preferred">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>Blink Qt 1.0.0</string>
+                    </property>
+                    <property name="indent">
+                     <number>0</number>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">value</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="4" column="0">
+                   <widget class="QLabel" name="sip_addresses_title_label">
+                    <property name="text">
+                     <string>Addresses</string>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">name</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="2" column="1">
+                   <widget class="ElidedLabel" name="account_value_label">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Ignored" vsizetype="Preferred">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>user@domain</string>
+                    </property>
+                    <property name="indent">
+                     <number>0</number>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">value</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="1" column="1">
+                   <widget class="DurationLabel" name="duration_value_label">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Ignored" vsizetype="Preferred">
+                      <horstretch>1</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>01:27</string>
+                    </property>
+                    <property name="indent">
+                     <number>0</number>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">value</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="14" column="0" colspan="2">
+                   <spacer name="info_panel_spacer">
+                    <property name="orientation">
+                     <enum>Qt::Vertical</enum>
+                    </property>
+                    <property name="sizeType">
+                     <enum>QSizePolicy::Expanding</enum>
+                    </property>
+                    <property name="sizeHint" stdset="0">
+                     <size>
+                      <width>0</width>
+                      <height>0</height>
+                     </size>
+                    </property>
+                   </spacer>
+                  </item>
+                  <item row="8" column="1">
+                   <widget class="QWidget" name="audio_value_widget" native="true">
+                    <property name="role" stdset="0">
+                     <string notr="true">value</string>
+                    </property>
+                    <layout class="QHBoxLayout" name="audio_value_layout">
+                     <property name="spacing">
+                      <number>2</number>
+                     </property>
+                     <property name="margin">
+                      <number>0</number>
+                     </property>
+                     <item>
+                      <widget class="ElidedLabel" name="audio_value_label">
+                       <property name="sizePolicy">
+                        <sizepolicy hsizetype="Ignored" vsizetype="Preferred">
+                         <horstretch>0</horstretch>
+                         <verstretch>0</verstretch>
+                        </sizepolicy>
+                       </property>
+                       <property name="text">
+                        <string>opus 48kHz</string>
+                       </property>
+                       <property name="indent">
+                        <number>0</number>
+                       </property>
+                      </widget>
+                     </item>
+                     <item>
+                      <widget class="QLabel" name="audio_encryption_label">
+                       <property name="sizePolicy">
+                        <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+                         <horstretch>0</horstretch>
+                         <verstretch>0</verstretch>
+                        </sizepolicy>
+                       </property>
+                       <property name="minimumSize">
+                        <size>
+                         <width>16</width>
+                         <height>16</height>
+                        </size>
+                       </property>
+                       <property name="maximumSize">
+                        <size>
+                         <width>16</width>
+                         <height>16</height>
+                        </size>
+                       </property>
+                       <property name="text">
+                        <string/>
+                       </property>
+                       <property name="pixmap">
+                        <pixmap>icons/lock-grey-12.svg</pixmap>
+                       </property>
+                       <property name="alignment">
+                        <set>Qt::AlignCenter</set>
+                       </property>
+                      </widget>
+                     </item>
+                    </layout>
+                   </widget>
+                  </item>
+                  <item row="8" column="0">
+                   <widget class="QLabel" name="audio_title_label">
+                    <property name="text">
+                     <string>Audio</string>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">name</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="11" column="0" colspan="2">
+                   <widget class="QWidget" name="latency_widget" native="true">
+                    <layout class="QVBoxLayout" name="latency_layout">
+                     <property name="spacing">
+                      <number>0</number>
+                     </property>
+                     <property name="leftMargin">
+                      <number>0</number>
+                     </property>
+                     <property name="topMargin">
+                      <number>5</number>
+                     </property>
+                     <property name="rightMargin">
+                      <number>0</number>
+                     </property>
+                     <property name="bottomMargin">
+                      <number>0</number>
+                     </property>
+                     <item>
+                      <widget class="QLabel" name="latency_label">
+                       <property name="styleSheet">
+                        <string notr="true">QLabel {
+	border-top-left-radius: 4px;
+	border-top-right-radius: 4px;
+	border: 1px solid #606060;
+	background-color: rgba(0, 0, 0, 60);
+}
+</string>
+                       </property>
+                       <property name="text">
+                        <string>Network Latency: 0ms, max=0ms</string>
+                       </property>
+                       <property name="indent">
+                        <number>5</number>
+                       </property>
+                      </widget>
+                     </item>
+                     <item>
+                      <widget class="GraphWidget" name="latency_graph" native="true">
+                       <property name="minimumSize">
+                        <size>
+                         <width>0</width>
+                         <height>50</height>
+                        </size>
+                       </property>
+                       <property name="styleSheet">
+                        <string notr="true">QWidget#latency_graph {
+	border: 1px solid #606060;
+	border-top: 1px solid transparent;
+	background-color: #f8f8f8;
+}</string>
+                       </property>
+                       <property name="boundary" stdset="0">
+                        <double>300.000000000000000</double>
+                       </property>
+                       <property name="minHeight" stdset="0">
+                        <double>10.000000000000000</double>
+                       </property>
+                       <property name="lineThickness" stdset="0">
+                        <double>1.600000000000000</double>
+                       </property>
+                       <property name="smoothEnvelope" stdset="0">
+                        <bool>true</bool>
+                       </property>
+                      </widget>
+                     </item>
+                    </layout>
+                   </widget>
+                  </item>
+                  <item row="4" column="1">
+                   <widget class="ElidedLabel" name="sip_addresses_value_label">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Ignored" vsizetype="Preferred">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>10.0.0.1 ⇄ tls:1.2.3.4:5061</string>
+                    </property>
+                    <property name="indent">
+                     <number>0</number>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">value</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="7" column="0">
+                   <widget class="QLabel" name="chat_addresses_title_label">
+                    <property name="text">
+                     <string>Addresses</string>
+                    </property>
+                    <property name="indent">
+                     <number>12</number>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">name</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="6" column="0">
+                   <widget class="QLabel" name="chat_title_label">
+                    <property name="text">
+                     <string>Chat</string>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">name</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="9" column="1">
+                   <widget class="ElidedLabel" name="audio_addresses_value_label">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Ignored" vsizetype="Preferred">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>10.0.0.1 ⇄ 1.2.3.4</string>
+                    </property>
+                    <property name="indent">
+                     <number>0</number>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">value</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="9" column="0">
+                   <widget class="QLabel" name="audio_addresses_title_label">
+                    <property name="text">
+                     <string>Addresses</string>
+                    </property>
+                    <property name="indent">
+                     <number>12</number>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">name</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="10" column="1">
+                   <widget class="ElidedLabel" name="audio_ice_status_value_label">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Ignored" vsizetype="Preferred">
+                      <horstretch>0</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="text">
+                     <string>Peer to peer</string>
+                    </property>
+                    <property name="indent">
+                     <number>0</number>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">value</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="10" column="0">
+                   <widget class="QLabel" name="audio_ice_status_title_label">
+                    <property name="text">
+                     <string>ICE Status</string>
+                    </property>
+                    <property name="indent">
+                     <number>12</number>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">name</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="6" column="1">
+                   <widget class="QWidget" name="chat_value_widget" native="true">
+                    <property name="role" stdset="0">
+                     <string notr="true">value</string>
+                    </property>
+                    <layout class="QHBoxLayout" name="chat_value_layout">
+                     <property name="spacing">
+                      <number>2</number>
+                     </property>
+                     <property name="margin">
+                      <number>0</number>
+                     </property>
+                     <item>
+                      <widget class="ElidedLabel" name="chat_value_label">
+                       <property name="sizePolicy">
+                        <sizepolicy hsizetype="Ignored" vsizetype="Preferred">
+                         <horstretch>0</horstretch>
+                         <verstretch>0</verstretch>
+                        </sizepolicy>
+                       </property>
+                       <property name="text">
+                        <string>Using relay</string>
+                       </property>
+                       <property name="indent">
+                        <number>0</number>
+                       </property>
+                      </widget>
+                     </item>
+                     <item>
+                      <widget class="QLabel" name="chat_encryption_label">
+                       <property name="sizePolicy">
+                        <sizepolicy hsizetype="Fixed" vsizetype="Preferred">
+                         <horstretch>0</horstretch>
+                         <verstretch>0</verstretch>
+                        </sizepolicy>
+                       </property>
+                       <property name="minimumSize">
+                        <size>
+                         <width>16</width>
+                         <height>16</height>
+                        </size>
+                       </property>
+                       <property name="maximumSize">
+                        <size>
+                         <width>16</width>
+                         <height>16</height>
+                        </size>
+                       </property>
+                       <property name="text">
+                        <string/>
+                       </property>
+                       <property name="pixmap">
+                        <pixmap>icons/lock-grey-12.svg</pixmap>
+                       </property>
+                       <property name="alignment">
+                        <set>Qt::AlignCenter</set>
+                       </property>
+                      </widget>
+                     </item>
+                    </layout>
+                   </widget>
+                  </item>
+                  <item row="13" column="0" colspan="2">
+                   <widget class="QWidget" name="traffic_widget" native="true">
+                    <layout class="QVBoxLayout" name="speed_layout">
+                     <property name="spacing">
+                      <number>0</number>
+                     </property>
+                     <property name="leftMargin">
+                      <number>0</number>
+                     </property>
+                     <property name="topMargin">
+                      <number>3</number>
+                     </property>
+                     <property name="rightMargin">
+                      <number>0</number>
+                     </property>
+                     <property name="bottomMargin">
+                      <number>0</number>
+                     </property>
+                     <item>
+                      <widget class="QLabel" name="traffic_label">
+                       <property name="styleSheet">
+                        <string notr="true">QLabel {
+	border-top-left-radius: 4px;
+	border-top-right-radius: 4px;
+	border: 1px solid #606060;
+	background-color: rgba(0, 0, 0, 60);
+}
+</string>
+                       </property>
+                       <property name="text">
+                        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Traffic: &lt;span style=&quot; color:#d70000;&quot;&gt;↓&lt;/span&gt; 0kbps &lt;span style=&quot; color:#0064d7;&quot;&gt;↑&lt;/span&gt; 0kbps&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+                       </property>
+                       <property name="indent">
+                        <number>5</number>
+                       </property>
+                      </widget>
+                     </item>
+                     <item>
+                      <widget class="GraphWidget" name="traffic_graph" native="true">
+                       <property name="minimumSize">
+                        <size>
+                         <width>0</width>
+                         <height>50</height>
+                        </size>
+                       </property>
+                       <property name="styleSheet">
+                        <string notr="true">QWidget#traffic_graph {
+	border: 1px solid #606060;
+	border-top: 1px solid transparent;
+	background-color: #f8f8f8;
+}</string>
+                       </property>
+                       <property name="lineThickness" stdset="0">
+                        <double>1.600000000000000</double>
+                       </property>
+                       <property name="fillTransparency" stdset="0">
+                        <number>25</number>
+                       </property>
+                       <property name="smoothEnvelope" stdset="0">
+                        <bool>true</bool>
+                       </property>
+                      </widget>
+                     </item>
+                    </layout>
+                   </widget>
+                  </item>
+                  <item row="0" column="1">
+                   <widget class="ElidedLabel" name="status_value_label">
+                    <property name="sizePolicy">
+                     <sizepolicy hsizetype="Ignored" vsizetype="Preferred">
+                      <horstretch>1</horstretch>
+                      <verstretch>0</verstretch>
+                     </sizepolicy>
+                    </property>
+                    <property name="palette">
+                     <palette>
+                      <active>
+                       <colorrole role="Button">
+                        <brush brushstyle="SolidPattern">
+                         <color alpha="10">
+                          <red>0</red>
+                          <green>0</green>
+                          <blue>0</blue>
+                         </color>
+                        </brush>
+                       </colorrole>
+                       <colorrole role="Base">
+                        <brush brushstyle="SolidPattern">
+                         <color alpha="10">
+                          <red>0</red>
+                          <green>0</green>
+                          <blue>0</blue>
+                         </color>
+                        </brush>
+                       </colorrole>
+                       <colorrole role="Window">
+                        <brush brushstyle="SolidPattern">
+                         <color alpha="10">
+                          <red>0</red>
+                          <green>0</green>
+                          <blue>0</blue>
+                         </color>
+                        </brush>
+                       </colorrole>
+                       <colorrole role="AlternateBase">
+                        <brush brushstyle="SolidPattern">
+                         <color alpha="255">
+                          <red>144</red>
+                          <green>0</green>
+                          <blue>0</blue>
+                         </color>
+                        </brush>
+                       </colorrole>
+                      </active>
+                      <inactive>
+                       <colorrole role="Button">
+                        <brush brushstyle="SolidPattern">
+                         <color alpha="10">
+                          <red>0</red>
+                          <green>0</green>
+                          <blue>0</blue>
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+                        </brush>
+                       </colorrole>
+                       <colorrole role="Base">
+                        <brush brushstyle="SolidPattern">
+                         <color alpha="10">
+                          <red>0</red>
+                          <green>0</green>
+                          <blue>0</blue>
+                         </color>
+                        </brush>
+                       </colorrole>
+                       <colorrole role="Window">
+                        <brush brushstyle="SolidPattern">
+                         <color alpha="10">
+                          <red>0</red>
+                          <green>0</green>
+                          <blue>0</blue>
+                         </color>
+                        </brush>
+                       </colorrole>
+                       <colorrole role="AlternateBase">
+                        <brush brushstyle="SolidPattern">
+                         <color alpha="255">
+                          <red>144</red>
+                          <green>0</green>
+                          <blue>0</blue>
+                         </color>
+                        </brush>
+                       </colorrole>
+                      </inactive>
+                      <disabled>
+                       <colorrole role="Button">
+                        <brush brushstyle="SolidPattern">
+                         <color alpha="10">
+                          <red>0</red>
+                          <green>0</green>
+                          <blue>0</blue>
+                         </color>
+                        </brush>
+                       </colorrole>
+                       <colorrole role="Base">
+                        <brush brushstyle="SolidPattern">
+                         <color alpha="10">
+                          <red>0</red>
+                          <green>0</green>
+                          <blue>0</blue>
+                         </color>
+                        </brush>
+                       </colorrole>
+                       <colorrole role="Window">
+                        <brush brushstyle="SolidPattern">
+                         <color alpha="10">
+                          <red>0</red>
+                          <green>0</green>
+                          <blue>0</blue>
+                         </color>
+                        </brush>
+                       </colorrole>
+                       <colorrole role="AlternateBase">
+                        <brush brushstyle="SolidPattern">
+                         <color alpha="255">
+                          <red>144</red>
+                          <green>96</green>
+                          <blue>96</blue>
+                         </color>
+                        </brush>
+                       </colorrole>
+                      </disabled>
+                     </palette>
+                    </property>
+                    <property name="text">
+                     <string>Connected</string>
+                    </property>
+                    <property name="indent">
+                     <number>0</number>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">value</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="0" column="0">
+                   <widget class="QLabel" name="status_title_label">
+                    <property name="text">
+                     <string>Status</string>
+                    </property>
+                    <property name="role" stdset="0">
+                     <string notr="true">name</string>
+                    </property>
+                   </widget>
+                  </item>
+                  <item row="5" column="0" colspan="2">
+                   <spacer name="session_spacer">
+                    <property name="orientation">
+                     <enum>Qt::Vertical</enum>
+                    </property>
+                    <property name="sizeType">
+                     <enum>QSizePolicy::Fixed</enum>
+                    </property>
+                    <property name="sizeHint" stdset="0">
+                     <size>
+                      <width>20</width>
+                      <height>5</height>
+                     </size>
+                    </property>
+                   </spacer>
+                  </item>
+                 </layout>
+                </widget>
+               </item>
+              </layout>
+             </widget>
             </widget>
            </item>
           </layout>
@@ -711,6 +2034,9 @@ QToolButton:hover {
        </layout>
       </widget>
       <widget class="QTabWidget" name="tab_widget">
+       <property name="focusPolicy">
+        <enum>Qt::NoFocus</enum>
+       </property>
        <property name="tabPosition">
         <enum>QTabWidget::South</enum>
        </property>
@@ -748,6 +2074,9 @@ QToolButton:hover {
              <height>64</height>
             </size>
            </property>
+           <property name="focusPolicy">
+            <enum>Qt::NoFocus</enum>
+           </property>
            <property name="url">
             <url>
              <string>about:blank</string>
@@ -824,6 +2153,23 @@ QToolButton:hover {
    <extends>QToolButton</extends>
    <header>blink.widgets.buttons</header>
   </customwidget>
+  <customwidget>
+   <class>SlidingStackedWidget</class>
+   <extends>QStackedWidget</extends>
+   <header>blink.widgets.containers</header>
+   <container>1</container>
+  </customwidget>
+  <customwidget>
+   <class>GraphWidget</class>
+   <extends>QWidget</extends>
+   <header>blink.widgets.graph</header>
+   <container>1</container>
+  </customwidget>
+  <customwidget>
+   <class>DurationLabel</class>
+   <extends>QLabel</extends>
+   <header>blink.widgets.labels</header>
+  </customwidget>
  </customwidgets>
  <tabstops>
   <tabstop>chat_input</tabstop>
@@ -832,8 +2178,6 @@ QToolButton:hover {
   <tabstop>hold_button</tabstop>
   <tabstop>record_button</tabstop>
   <tabstop>new_messages_button</tabstop>
-  <tabstop>tab_widget</tabstop>
-  <tabstop>chat_view</tabstop>
  </tabstops>
  <resources/>
  <connections/>

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