Implementing an audio seekbar
[watersofshiloah] / src / windows.py
index ba3f65d..0820900 100644 (file)
@@ -10,7 +10,9 @@ import gtk
 import constants
 import hildonize
 import util.misc as misc_utils
+import util.go_utils as go_utils
 
+import stream_index
 import banners
 import playcontrol
 import presenter
@@ -19,7 +21,7 @@ import presenter
 _moduleLogger = logging.getLogger(__name__)
 
 
-class BasicWindow(gobject.GObject):
+class BasicWindow(gobject.GObject, go_utils.AutoSignal):
 
        __gsignals__ = {
                'quit' : (
@@ -65,6 +67,7 @@ class BasicWindow(gobject.GObject):
                self._layout.pack_start(self._errorBanner.toplevel, False, True)
 
                self._window = gtk.Window()
+               go_utils.AutoSignal.__init__(self, self.window)
                self._window.add(self._layout)
                self._window = hildonize.hildonize_window(self, self._window)
 
@@ -100,6 +103,9 @@ class BasicWindow(gobject.GObject):
                else:
                        self._window.unfullscreen()
 
+       def jump_to(self, node):
+               raise NotImplementedError("On %s" % self)
+
        @misc_utils.log_exception(_moduleLogger)
        def _on_destroy(self, *args):
                self._isDestroyed = True
@@ -150,9 +156,7 @@ class BasicWindow(gobject.GObject):
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_jump(self, source, node):
-               _moduleLogger.error("Jump is not implemented")
-               self.emit("jump-to", node)
-               self._window.destroy()
+               raise NotImplementedError("On %s" % self)
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_quit(self, *args):
@@ -170,22 +174,22 @@ class SourceSelector(BasicWindow):
                self._loadingBanner = banners.GenericBanner()
 
                self._radioButton = self._create_button("radio", "Radio")
-               self._radioButton.connect("clicked", self._on_source_selected, RadioWindow, "radio")
+               self._radioButton.connect("clicked", self._on_source_selected, stream_index.SOURCE_RADIO)
                self._radioWrapper = gtk.VBox()
                self._radioWrapper.pack_start(self._radioButton, False, True)
 
                self._conferenceButton = self._create_button("conferences", "Conferences")
-               self._conferenceButton.connect("clicked", self._on_source_selected, ConferencesWindow, "conferences")
+               self._conferenceButton.connect("clicked", self._on_source_selected, stream_index.SOURCE_CONFERENCES)
                self._conferenceWrapper = gtk.VBox()
                self._conferenceWrapper.pack_start(self._conferenceButton, False, True)
 
                self._magazineButton = self._create_button("magazines", "Magazines")
-               #self._magazineButton.connect("clicked", self._on_source_selected)
+               self._magazineButton.connect("clicked", self._on_source_selected, stream_index.SOURCE_MAGAZINES)
                self._magazineWrapper = gtk.VBox()
                self._magazineWrapper.pack_start(self._magazineButton, False, True)
 
                self._scriptureButton = self._create_button("scriptures", "Scriptures")
-               #self._scriptureButton.connect("clicked", self._on_source_selected)
+               self._scriptureButton.connect("clicked", self._on_source_selected, stream_index.SOURCE_SCRIPTURES)
                self._scriptureWrapper = gtk.VBox()
                self._scriptureWrapper.pack_start(self._scriptureButton, False, True)
 
@@ -196,10 +200,13 @@ class SourceSelector(BasicWindow):
                self._buttonLayout.pack_start(self._magazineWrapper, True, True)
                self._buttonLayout.pack_start(self._scriptureWrapper, True, True)
 
+               self._separator = gtk.HSeparator()
                self._playcontrol = playcontrol.NavControl(player, store)
+               self._playcontrol.connect("jump-to", self._on_jump)
 
                self._layout.pack_start(self._loadingBanner.toplevel, False, False)
                self._layout.pack_start(self._buttonLayout, True, True)
+               self._layout.pack_start(self._separator, False, True)
                self._layout.pack_start(self._playcontrol.toplevel, False, True)
 
                self._window.set_title(constants.__pretty_app_name__)
@@ -250,15 +257,35 @@ class SourceSelector(BasicWindow):
                self._hide_loading()
                self._errorBanner.push_message(str(exception))
 
-       @misc_utils.log_exception(_moduleLogger)
-       def _on_source_selected(self, widget, Source, nodeName):
-               node = self._index.get_source(nodeName, self._languages[0]["id"])
+       def _window_from_node(self, node):
+               if node.id == stream_index.SOURCE_RADIO:
+                       Source = RadioWindow
+               elif node.id == stream_index.SOURCE_CONFERENCES:
+                       Source = ConferencesWindow
+               elif node.id == stream_index.SOURCE_MAGAZINES:
+                       pass
+               elif node.id == stream_index.SOURCE_SCRIPTURES:
+                       pass
                sourceWindow = Source(self._player, self._store, node)
                sourceWindow.window.set_modal(True)
                sourceWindow.window.set_transient_for(self._window)
                sourceWindow.window.set_default_size(*self._window.get_size())
                sourceWindow.connect("quit", self._on_quit)
+               sourceWindow.connect("jump-to", self._on_jump)
                sourceWindow.show()
+               return sourceWindow
+
+       @misc_utils.log_exception(_moduleLogger)
+       def _on_jump(self, source, node):
+               targetNodePath = list(reversed(list(stream_index.walk_ancestors(node))))
+               ancestor = targetNodePath[0]
+               window = self._window_from_node(ancestor)
+               window.jump_to(node)
+
+       @misc_utils.log_exception(_moduleLogger)
+       def _on_source_selected(self, widget, nodeName):
+               node = self._index.get_source(nodeName, self._languages[0]["id"])
+               self._window_from_node(node)
 
 
 gobject.type_register(SourceSelector)
@@ -271,8 +298,8 @@ class RadioWindow(BasicWindow):
                self._node = node
                self._childNode = None
 
-               self._player.connect("state-change", self._on_player_state_change)
-               self._player.connect("title-change", self._on_player_title_change)
+               self.connect_auto(self._player, "state-change", self._on_player_state_change)
+               self.connect_auto(self._player, "title-change", self._on_player_title_change)
 
                self._loadingBanner = banners.GenericBanner()
 
@@ -310,10 +337,6 @@ class RadioWindow(BasicWindow):
                self._treeScroller.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
 
                self._presenter = presenter.StreamMiniPresenter(self._store)
-               if self._player.state == "play":
-                       self._presenter.set_state(self._store.STORE_LOOKUP["play"])
-               else:
-                       self._presenter.set_state(self._store.STORE_LOOKUP["pause"])
                self._presenterNavigation = presenter.NavigationBox()
                self._presenterNavigation.toplevel.add(self._presenter.toplevel)
                self._presenterNavigation.connect("action", self._on_nav_action)
@@ -327,8 +350,8 @@ class RadioWindow(BasicWindow):
                self._layout.pack_start(self._loadingBanner.toplevel, False, False)
                self._layout.pack_start(self._radioLayout, True, True)
 
-               self._window.set_title("Radio")
                self._dateShown = datetime.datetime.now()
+               self._update_title()
 
        def show(self):
                BasicWindow.show(self)
@@ -338,6 +361,30 @@ class RadioWindow(BasicWindow):
 
                self._refresh()
 
+       def jump_to(self, node):
+               _moduleLogger.info("Only 1 channel, nothing to jump to")
+
+       def _update_title(self):
+               self._window.set_title("%s - %s" % (self._node.title, self._dateShown.strftime("%m/%d")))
+
+       @property
+       def _active(self):
+               return self._player.node is self._childNode
+
+       def _set_context(self, state):
+               if state == self._player.STATE_PLAY:
+                       if self._active:
+                               self._presenter.set_state(self._store.STORE_LOOKUP["pause"])
+                       else:
+                               self._presenter.set_state(self._store.STORE_LOOKUP["play"])
+               elif state == self._player.STATE_PAUSE:
+                       self._presenter.set_state(self._store.STORE_LOOKUP["play"])
+               elif state == self._player.STATE_STOP:
+                       self._presenter.set_state(self._store.STORE_LOOKUP["play"])
+               else:
+                       _moduleLogger.info("Unhandled player state %s" % state)
+                       self._presenter.set_state(self._store.STORE_LOOKUP["play"])
+
        def _show_loading(self):
                animationPath = self._store.STORE_LOOKUP["loading"]
                animation = self._store.get_pixbuf_animation_from_store(animationPath)
@@ -353,6 +400,7 @@ class RadioWindow(BasicWindow):
                        self._on_channels,
                        self._on_load_error,
                )
+               self._set_context(self._player.state)
 
        def _get_current_row(self):
                nowTime = self._dateShown.strftime("%H:%M:%S")
@@ -371,58 +419,68 @@ class RadioWindow(BasicWindow):
                if self._headerNavigation.is_active() or self._presenterNavigation.is_active():
                        return
 
-               if newState == "play":
-                       self._presenter.set_state(self._store.STORE_LOOKUP["play"])
-               elif newState == "pause":
-                       self._presenter.set_state(self._store.STORE_LOOKUP["pause"])
-               else:
-                       _moduleLogger.info("Unhandled player state %s" % newState)
-                       self._presenter.set_state(self._store.STORE_LOOKUP["pause"])
+               self._set_context(newState)
 
        @misc_utils.log_exception(_moduleLogger)
-       def _on_player_title_change(self, player, newState):
-               _moduleLogger.info("Player title magically changed to %s" % player.title)
-               self._destroy()
+       def _on_player_title_change(self, player, node):
+               if node is not self._childNode or node is None:
+                       _moduleLogger.info("Player title magically changed to %s" % player.title)
+                       return
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_navigating(self, widget, navState):
                if navState == "clicking":
-                       if self._player.state == "play":
-                               imageName = "pause"
+                       if self._player.state == self._player.STATE_PLAY:
+                               if self._active:
+                                       imageName = "pause_pressed"
+                               else:
+                                       imageName = "play_pressed"
+                       elif self._player.state == self._player.STATE_PAUSE:
+                               imageName = "play_pressed"
+                       elif self._player.state == self._player.STATE_STOP:
+                               imageName = "play_pressed"
                        else:
-                               imageName = "play"
+                               imageName = "play_pressed"
+                               _moduleLogger.info("Unhandled player state %s" % self._player.state)
                elif navState == "down":
                        imageName = "home"
-               elif navState == "up":
-                       imageName = "play"
-               elif navState == "left":
-                       imageName = "play"
-               elif navState == "right":
-                       imageName = "play"
+               else:
+                       if self._player.state == self._player.STATE_PLAY:
+                               imageName = "pause"
+                       else:
+                               imageName = "play"
 
                self._presenter.set_state(self._store.STORE_LOOKUP[imageName])
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_nav_action(self, widget, navState):
-               if self._player.state == "play":
-                       self._presenter.set_state(self._store.STORE_LOOKUP["play"])
-               else:
-                       self._presenter.set_state(self._store.STORE_LOOKUP["pause"])
+               self._set_context(self._player.state)
 
                if navState == "clicking":
-                       if self._player.state == "play":
-                               self._player.pause()
-                       else:
+                       if self._player.state == self._player.STATE_PLAY:
+                               if self._active:
+                                       self._player.pause()
+                               else:
+                                       self._player.set_piece_by_node(self._childNode)
+                                       self._player.play()
+                       elif self._player.state == self._player.STATE_PAUSE:
                                self._player.play()
+                       elif self._player.state == self._player.STATE_STOP:
+                               self._player.set_piece_by_node(self._childNode)
+                               self._player.play()
+                       else:
+                               _moduleLogger.info("Unhandled player state %s" % self._player.state)
                elif navState == "down":
                        self.window.destroy()
                elif navState == "up":
                        pass
                elif navState == "left":
                        self._dateShown += datetime.timedelta(days=1)
+                       self._update_title()
                        self._refresh()
                elif navState == "right":
                        self._dateShown -= datetime.timedelta(days=1)
+                       self._update_title()
                        self._refresh()
 
        @misc_utils.log_exception(_moduleLogger)
@@ -452,9 +510,14 @@ class RadioWindow(BasicWindow):
                        row = program["time"], program["title"]
                        self._programmingModel.append(row)
 
-               path = (self._get_current_row(), )
-               self._treeView.scroll_to_cell(path)
-               self._treeView.get_selection().select_path(path)
+               currentDate = datetime.datetime.now()
+               if currentDate.date() != self._dateShown.date():
+                       self._treeView.get_selection().set_mode(gtk.SELECTION_NONE)
+               else:
+                       self._treeView.get_selection().set_mode(gtk.SELECTION_SINGLE)
+                       path = (self._get_current_row(), )
+                       self._treeView.scroll_to_cell(path)
+                       self._treeView.get_selection().select_path(path)
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_load_error(self, exception):
@@ -482,6 +545,8 @@ class ListWindow(BasicWindow):
                BasicWindow.__init__(self, player, store)
                self._node = node
 
+               self.connect_auto(self._player, "title-change", self._on_player_title_change)
+
                self._loadingBanner = banners.GenericBanner()
 
                modelTypes, columns = zip(*self._get_columns())
@@ -500,12 +565,14 @@ class ListWindow(BasicWindow):
                self._treeScroller.add(self._treeView)
                self._treeScroller.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
 
+               self._separator = gtk.HSeparator()
                self._playcontrol = playcontrol.NavControl(self._player, self._store)
                self._playcontrol.connect("home", self._on_home)
                self._playcontrol.connect("jump-to", self._on_jump)
 
                self._contentLayout = gtk.VBox(False)
                self._contentLayout.pack_start(self._treeScroller, True, True)
+               self._contentLayout.pack_start(self._separator, False, True)
                self._contentLayout.pack_start(self._playcontrol.toplevel, False, True)
 
                self._layout.pack_start(self._loadingBanner.toplevel, False, False)
@@ -525,12 +592,55 @@ class ListWindow(BasicWindow):
                raise NotImplementedError("")
 
        def _get_current_row(self):
+               if self._player.node is None:
+                       return -1
+               ancestors, current, descendants = stream_index.common_paths(self._player.node, self._node)
+               if not descendants:
+                       return -1
+               activeChild = descendants[0]
+               for i, row in enumerate(self._model):
+                       if activeChild is row[0]:
+                               return i
+               else:
+                       return -1
+
+       def jump_to(self, node):
+               ancestors, current, descendants = stream_index.common_paths(node, self._node)
+               if current is None:
+                       raise RuntimeError("Cannot jump to node %s" % node)
+               if not descendants:
+                       _moduleLogger.info("Current node is the target")
+                       return
+               child = descendants[0]
+               window = self._window_from_node(child)
+               window.jump_to(node)
+
+       def _window_from_node(self, node):
                raise NotImplementedError("")
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_row_activated(self, view, path, column):
                raise NotImplementedError("")
 
+       @misc_utils.log_exception(_moduleLogger)
+       def _on_player_title_change(self, player, node):
+               self._select_row()
+
+       @misc_utils.log_exception(_moduleLogger)
+       def _on_jump(self, source, node):
+               ancestors, current, descendants = stream_index.common_paths(node, self._node)
+               if current is None:
+                       _moduleLogger.info("%s is not the target, moving up" % self._node)
+                       self.emit("jump-to", node)
+                       self._window.destroy()
+                       return
+               if not descendants:
+                       _moduleLogger.info("Current node is the target")
+                       return
+               child = descendants[0]
+               window = self._window_from_node(child)
+               window.jump_to(node)
+
        def _show_loading(self):
                animationPath = self._store.STORE_LOOKUP["loading"]
                animation = self._store.get_pixbuf_animation_from_store(animationPath)
@@ -544,7 +654,10 @@ class ListWindow(BasicWindow):
                self._model.clear()
 
        def _select_row(self):
-               path = (self._get_current_row(), )
+               rowIndex = self._get_current_row()
+               if rowIndex < 0:
+                       return
+               path = (rowIndex, )
                self._treeView.scroll_to_cell(path)
                self._treeView.get_selection().select_path(path)
 
@@ -553,7 +666,7 @@ class ConferencesWindow(ListWindow):
 
        def __init__(self, player, store, node):
                ListWindow.__init__(self, player, store, node)
-               self._window.set_title("Conferences")
+               self._window.set_title(self._node.title)
 
        @classmethod
        def _get_columns(cls):
@@ -571,10 +684,6 @@ class ConferencesWindow(ListWindow):
                column.add_attribute(textrenderer, "text", 2)
                yield gobject.TYPE_STRING, column
 
-       def _get_current_row(self):
-               # @todo Not implemented yet
-               return 0
-
        def _refresh(self):
                ListWindow._refresh(self)
                self._node.get_children(
@@ -594,27 +703,29 @@ class ConferencesWindow(ListWindow):
                        row = programNode, program["title"], program["full_title"]
                        self._model.append(row)
 
-               path = (self._get_current_row(), )
-               self._treeView.scroll_to_cell(path)
-               self._treeView.get_selection().select_path(path)
+               self._select_row()
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_error(self, exception):
                self._hide_loading()
                self._errorBanner.push_message(str(exception))
 
-       @misc_utils.log_exception(_moduleLogger)
-       def _on_row_activated(self, view, path, column):
-               itr = self._model.get_iter(path)
-               node = self._model.get_value(itr, 0)
-
+       def _window_from_node(self, node):
                sessionsWindow = ConferenceSessionsWindow(self._player, self._store, node)
                sessionsWindow.window.set_modal(True)
                sessionsWindow.window.set_transient_for(self._window)
                sessionsWindow.window.set_default_size(*self._window.get_size())
                sessionsWindow.connect("quit", self._on_quit)
                sessionsWindow.connect("home", self._on_home)
+               sessionsWindow.connect("jump-to", self._on_jump)
                sessionsWindow.show()
+               return sessionsWindow
+
+       @misc_utils.log_exception(_moduleLogger)
+       def _on_row_activated(self, view, path, column):
+               itr = self._model.get_iter(path)
+               node = self._model.get_value(itr, 0)
+               self._window_from_node(node)
 
 
 gobject.type_register(ConferencesWindow)
@@ -624,7 +735,7 @@ class ConferenceSessionsWindow(ListWindow):
 
        def __init__(self, player, store, node):
                ListWindow.__init__(self, player, store, node)
-               self._window.set_title("Sessions")
+               self._window.set_title(self._node.title)
 
        @classmethod
        def _get_columns(cls):
@@ -636,10 +747,6 @@ class ConferenceSessionsWindow(ListWindow):
                column.add_attribute(textrenderer, "text", 1)
                yield gobject.TYPE_STRING, column
 
-       def _get_current_row(self):
-               # @todo Not implemented yet
-               return 0
-
        def _refresh(self):
                ListWindow._refresh(self)
                self._node.get_children(
@@ -659,27 +766,29 @@ class ConferenceSessionsWindow(ListWindow):
                        row = programNode, program["title"]
                        self._model.append(row)
 
-               path = (self._get_current_row(), )
-               self._treeView.scroll_to_cell(path)
-               self._treeView.get_selection().select_path(path)
+               self._select_row()
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_error(self, exception):
                self._hide_loading()
                self._errorBanner.push_message(str(exception))
 
-       @misc_utils.log_exception(_moduleLogger)
-       def _on_row_activated(self, view, path, column):
-               itr = self._model.get_iter(path)
-               node = self._model.get_value(itr, 0)
-
+       def _window_from_node(self, node):
                sessionsWindow = ConferenceTalksWindow(self._player, self._store, node)
                sessionsWindow.window.set_modal(True)
                sessionsWindow.window.set_transient_for(self._window)
                sessionsWindow.window.set_default_size(*self._window.get_size())
                sessionsWindow.connect("quit", self._on_quit)
                sessionsWindow.connect("home", self._on_home)
+               sessionsWindow.connect("jump-to", self._on_jump)
                sessionsWindow.show()
+               return sessionsWindow
+
+       @misc_utils.log_exception(_moduleLogger)
+       def _on_row_activated(self, view, path, column):
+               itr = self._model.get_iter(path)
+               node = self._model.get_value(itr, 0)
+               self._window_from_node(node)
 
 
 gobject.type_register(ConferenceSessionsWindow)
@@ -689,7 +798,7 @@ class ConferenceTalksWindow(ListWindow):
 
        def __init__(self, player, store, node):
                ListWindow.__init__(self, player, store, node)
-               self._window.set_title("Talks")
+               self._window.set_title(self._node.title)
 
        @classmethod
        def _get_columns(cls):
@@ -701,10 +810,6 @@ class ConferenceTalksWindow(ListWindow):
                column.add_attribute(textrenderer, "text", 1)
                yield gobject.TYPE_STRING, column
 
-       def _get_current_row(self):
-               # @todo Not implemented yet
-               return 0
-
        def _refresh(self):
                ListWindow._refresh(self)
                self._node.get_children(
@@ -724,27 +829,29 @@ class ConferenceTalksWindow(ListWindow):
                        row = programNode, "%s\n%s" % (program["title"], program["speaker"])
                        self._model.append(row)
 
-               path = (self._get_current_row(), )
-               self._treeView.scroll_to_cell(path)
-               self._treeView.get_selection().select_path(path)
+               self._select_row()
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_error(self, exception):
                self._hide_loading()
                self._errorBanner.push_message(str(exception))
 
-       @misc_utils.log_exception(_moduleLogger)
-       def _on_row_activated(self, view, path, column):
-               itr = self._model.get_iter(path)
-               node = self._model.get_value(itr, 0)
-
+       def _window_from_node(self, node):
                sessionsWindow = ConferenceTalkWindow(self._player, self._store, node)
                sessionsWindow.window.set_modal(True)
                sessionsWindow.window.set_transient_for(self._window)
                sessionsWindow.window.set_default_size(*self._window.get_size())
                sessionsWindow.connect("quit", self._on_quit)
                sessionsWindow.connect("home", self._on_home)
+               sessionsWindow.connect("jump-to", self._on_jump)
                sessionsWindow.show()
+               return sessionsWindow
+
+       @misc_utils.log_exception(_moduleLogger)
+       def _on_row_activated(self, view, path, column):
+               itr = self._model.get_iter(path)
+               node = self._model.get_value(itr, 0)
+               self._window_from_node(node)
 
 
 gobject.type_register(ConferenceTalksWindow)
@@ -754,38 +861,51 @@ class ConferenceTalkWindow(BasicWindow):
 
        def __init__(self, player, store, node):
                BasicWindow.__init__(self, player, store)
+               self._node = node
+               self._playerNode = self._player.node
+               self._nextSearch = None
+               self._updateSeek = None
 
-               self._player.connect("state-change", self._on_player_state_change)
-               self._player.connect("title-change", self._on_player_title_change)
+               self.connect_auto(self._player, "state-change", self._on_player_state_change)
+               self.connect_auto(self._player, "title-change", self._on_player_title_change)
+               self.connect_auto(self._player, "error", self._on_player_error)
 
                self._loadingBanner = banners.GenericBanner()
 
                self._presenter = presenter.StreamPresenter(self._store)
+               self._presenter.set_context(
+                       self._store.STORE_LOOKUP["conference_background"],
+                       self._node.title,
+                       self._node.subtitle,
+               )
                self._presenterNavigation = presenter.NavigationBox()
                self._presenterNavigation.toplevel.add(self._presenter.toplevel)
                self._presenterNavigation.connect("action", self._on_nav_action)
                self._presenterNavigation.connect("navigating", self._on_navigating)
 
+               self._seekbar = hildonize.create_seekbar()
+               self._seekbar.connect("change-value", self._on_user_seek)
+
                self._layout.pack_start(self._loadingBanner.toplevel, False, False)
                self._layout.pack_start(self._presenterNavigation.toplevel, True, True)
+               self._layout.pack_start(self._seekbar, False, False)
 
-               self._window.set_title("Talk")
+               self._window.set_title(self._node.title)
 
        def show(self):
                BasicWindow.show(self)
                self._window.show_all()
                self._errorBanner.toplevel.hide()
                self._loadingBanner.toplevel.hide()
+               self._set_context(self._player.state)
+               self._seekbar.hide()
 
-               self._presenter.set_context(
-                       self._store.STORE_LOOKUP["conference_background"],
-                       self._player.title,
-                       self._player.subtitle,
-               )
-               if self._player.state == "play":
-                       self._presenter.set_state(self._store.STORE_LOOKUP["play"])
-               else:
-                       self._presenter.set_state(self._store.STORE_LOOKUP["pause"])
+       def jump_to(self, node):
+               assert self._node is node
+
+       @property
+       def _active(self):
+               return self._playerNode is self._node
 
        def _show_loading(self):
                animationPath = self._store.STORE_LOOKUP["loading"]
@@ -795,38 +915,84 @@ class ConferenceTalkWindow(BasicWindow):
        def _hide_loading(self):
                self._loadingBanner.hide()
 
+       def _set_context(self, state):
+               if state == self._player.STATE_PLAY:
+                       if self._active:
+                               self._presenter.set_state(self._store.STORE_LOOKUP["pause"])
+                       else:
+                               self._presenter.set_state(self._store.STORE_LOOKUP["play"])
+               elif state == self._player.STATE_PAUSE:
+                       self._presenter.set_state(self._store.STORE_LOOKUP["play"])
+               elif state == self._player.STATE_STOP:
+                       self._presenter.set_state(self._store.STORE_LOOKUP["play"])
+               else:
+                       _moduleLogger.info("Unhandled player state %s" % state)
+
        @misc_utils.log_exception(_moduleLogger)
-       def _on_player_state_change(self, player, newState):
-               if self._presenterNavigation.is_active():
-                       return
+       def _on_user_seek(self, widget, scroll, value):
+               self._player.seek(value / 100.0)
 
-               if newState == "play":
-                       self._presenter.set_state(self._store.STORE_LOOKUP["play"])
-               elif newState == "pause":
-                       self._presenter.set_state(self._store.STORE_LOOKUP["pause"])
+       @misc_utils.log_exception(_moduleLogger)
+       def _on_player_update_seek(self):
+               self._seekbar.set_value(self._player.percent_elapsed * 100)
+               return True if not self._isDestroyed else False
+
+       @misc_utils.log_exception(_moduleLogger)
+       def _on_player_state_change(self, player, newState):
+               if self._active and self._player.state == self._player.STATE_PLAY:
+                       self._seekbar.show()
+                       assert self._updateSeek is None
+                       self._updateSeek = go_utils.Timeout(self._updateSeek, once=False)
+                       self._updateSeek.start(seconds=30)
                else:
-                       _moduleLogger.info("Unhandled player state %s" % newState)
-                       self._presenter.set_state(self._store.STORE_LOOKUP["pause"])
+                       self._seekbar.hide()
+                       self._updateSeek.cancel()
+                       self._updateSeek = None
+
+               if not self._presenterNavigation.is_active():
+                       self._set_context(newState)
 
        @misc_utils.log_exception(_moduleLogger)
-       def _on_player_title_change(self, player, newState):
-               self._presenter.set_context(
-                       self._store.STORE_LOOKUP["conference_background"],
-                       self._player.title,
-                       self._player.subtitle,
-               )
+       def _on_player_title_change(self, player, node):
+               if not self._active or node in [None, self._node]:
+                       self._playerNode = player.node
+                       return
+               self._playerNode = player.node
+               self.emit("jump-to", node)
+               self._window.destroy()
+
+       @misc_utils.log_exception(_moduleLogger)
+       def _on_player_error(self, player, err, debug):
+               _moduleLogger.error("%r - %r" % (err, debug))
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_navigating(self, widget, navState):
                if navState == "clicking":
-                       if self._player.state == "play":
-                               imageName = "pause"
+                       if self._player.state == self._player.STATE_PLAY:
+                               if self._active:
+                                       imageName = "pause_pressed"
+                               else:
+                                       imageName = "play_pressed"
+                       elif self._player.state == self._player.STATE_PAUSE:
+                               imageName = "play_pressed"
+                       elif self._player.state == self._player.STATE_STOP:
+                               imageName = "play_pressed"
                        else:
-                               imageName = "play"
+                               _moduleLogger.info("Unhandled player state %s" % self._player.state)
                elif navState == "down":
                        imageName = "home"
                elif navState == "up":
-                       imageName = "play"
+                       if self._player.state == self._player.STATE_PLAY:
+                               if self._active:
+                                       imageName = "pause"
+                               else:
+                                       imageName = "play"
+                       elif self._player.state == self._player.STATE_PAUSE:
+                               imageName = "play"
+                       elif self._player.state == self._player.STATE_STOP:
+                               imageName = "play"
+                       else:
+                               _moduleLogger.info("Unhandled player state %s" % self._player.state)
                elif navState == "left":
                        imageName = "next"
                elif navState == "right":
@@ -836,25 +1002,52 @@ class ConferenceTalkWindow(BasicWindow):
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_nav_action(self, widget, navState):
-               if self._player.state == "play":
-                       self._presenter.set_state(self._store.STORE_LOOKUP["play"])
-               else:
-                       self._presenter.set_state(self._store.STORE_LOOKUP["pause"])
+               self._set_context(self._player.state)
 
                if navState == "clicking":
-                       if self._player.state == "play":
-                               self._player.pause()
-                       else:
+                       if self._player.state == self._player.STATE_PLAY:
+                               if self._active:
+                                       self._player.pause()
+                               else:
+                                       self._player.set_piece_by_node(self._node)
+                                       self._player.play()
+                       elif self._player.state == self._player.STATE_PAUSE:
+                               self._player.play()
+                       elif self._player.state == self._player.STATE_STOP:
+                               self._player.set_piece_by_node(self._node)
                                self._player.play()
+                       else:
+                               _moduleLogger.info("Unhandled player state %s" % self._player.state)
                elif navState == "down":
                        self.emit("home")
                        self._window.destroy()
                elif navState == "up":
                        pass
                elif navState == "left":
-                       self._player.next()
+                       if self._active:
+                               self._player.next()
+                       else:
+                               assert self._nextSearch is None
+                               self._nextSearch = stream_index.AsyncWalker(stream_index.get_next)
+                               self._nextSearch.start(self._node, self._on_next_node, self._on_node_search_error)
                elif navState == "right":
-                       self._player.back()
+                       if self._active:
+                               self._player.back()
+                       else:
+                               assert self._nextSearch is None
+                               self._nextSearch = stream_index.AsyncWalker(stream_index.get_previous)
+                               self._nextSearch.start(self._node, self._on_next_node, self._on_node_search_error)
+
+       @misc_utils.log_exception(_moduleLogger)
+       def _on_next_node(self, node):
+               self._nextSearch = None
+               self.emit("jump-to", node)
+               self._window.destroy()
+
+       @misc_utils.log_exception(_moduleLogger)
+       def _on_node_search_error(self, e):
+               self._nextSearch = None
+               self._errorBanner.push_message(str(e))
 
 
 gobject.type_register(ConferenceTalkWindow)