Implementing an audio seekbar

[watersofshiloah] / src / windows.py

diff --git a/src/windows.py b/src/windows.py
index 4027a41..0820900 100644 (file)
--- a/src/windows.py
+++ b/src/windows.py
@@ -654,7 +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)
 
@@ -861,6 +864,7 @@ class ConferenceTalkWindow(BasicWindow):
                self._node = node
                self._playerNode = self._player.node
                self._nextSearch = None
+               self._updateSeek = None
 
                self.connect_auto(self._player, "state-change", self._on_player_state_change)
                self.connect_auto(self._player, "title-change", self._on_player_title_change)
@@ -879,8 +883,12 @@ class ConferenceTalkWindow(BasicWindow):
                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(self._node.title)
 
@@ -890,6 +898,7 @@ class ConferenceTalkWindow(BasicWindow):
                self._errorBanner.toplevel.hide()
                self._loadingBanner.toplevel.hide()
                self._set_context(self._player.state)
+               self._seekbar.hide()
 
        def jump_to(self, node):
                assert self._node is node
@@ -920,11 +929,28 @@ class ConferenceTalkWindow(BasicWindow):
                        _moduleLogger.info("Unhandled player state %s" % state)
 
        @misc_utils.log_exception(_moduleLogger)
+       def _on_user_seek(self, widget, scroll, value):
+               self._player.seek(value / 100.0)
+
+       @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._presenterNavigation.is_active():
-                       return
+               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:
+                       self._seekbar.hide()
+                       self._updateSeek.cancel()
+                       self._updateSeek = None
 
-               self._set_context(newState)
+               if not self._presenterNavigation.is_active():
+                       self._set_context(newState)
 
        @misc_utils.log_exception(_moduleLogger)
        def _on_player_title_change(self, player, node):