def __init__(self, ges_track_element, action_log):
TimelineElementObserver.__init__(self, ges_track_element, action_log)
if isinstance(ges_track_element, GES.BaseEffect):
property_names = ("active", "priority",)
else:
property_names = ("active",)
self.gobject_observer = GObjectObserver(ges_track_element, property_names, action_log)
def _connectToClip(self, ges_clip):
ges_clip.connect("child-added", self._clipTrackElementAddedCb)
ges_clip.connect("child-removed", self._clipTrackElementRemovedCb)
for track_element in ges_clip.get_children(recursive=True):
self._connectToTrackElement(track_element)
if isinstance(ges_clip, GES.TransitionClip):
return
props = ["start", "duration", "in-point", "priority"]
clip_observer = GObjectObserver(ges_clip, props, self.action_log)
self.clip_observers[ges_clip] = clip_observer
def test_property_change(self):
action_log = UndoableActionLog()
action_log.begin("complex stuff")
stack, = action_log.stacks
clip = GES.TitleClip()
unused_observer = GObjectObserver(clip, ["start"], action_log)
self.assertEqual(len(stack.done_actions), 0)
clip.props.start = 2
self.assertEqual(len(stack.done_actions), 1)
clip.props.start = 2
self.assertEqual(len(stack.done_actions), 1)
clip.props.start = 4
self.assertEqual(len(stack.done_actions), 2)
action = stack.done_actions[-1]
self.assertEqual(action.old_value, 2)
self.assertEqual(action.new_value, 4)
def _connectToTrackElement(self, track_element):
if isinstance(track_element, GES.VideoTransition):
ges_clip = track_element.get_toplevel_parent()
ges_layer = ges_clip.props.layer
action = TransitionClipAddedAction(ges_layer, ges_clip,
track_element)
self.action_log.push(action)
observer = GObjectObserver(track_element, TRANSITION_PROPS,
self.action_log)
self.track_element_observers[track_element] = observer
return
for prop, binding in track_element.get_all_control_bindings().items():
self._connectToControlSource(track_element, binding)
track_element.connect("control-binding-added",
self._controlBindingAddedCb)
if isinstance(track_element, GES.BaseEffect) or \
isinstance(track_element, GES.VideoSource):
observer = TrackElementObserver(track_element, self.action_log)
self.track_element_observers[track_element] = observer
def __init__(self, ges_track_element, action_log):
TimelineElementObserver.__init__(self, ges_track_element, action_log)
self.gobject_observer = GObjectObserver(ges_track_element,
("active", ), action_log)
