def __focus_in_event_cb(self, unused_widget, unused_event):
ges_timeline = self.timeline_ui.timeline.ges_timeline
if not ges_timeline:
# Nothing to work with, Pitivi is starting up.
return
# Commit the timeline so its nested timelines assets are refreshed.
ges_timeline.commit()
# We need to track the changed assets ourselves.
changed_files_uris = ThumbnailCache.update_caches()
if changed_files_uris:
self.medialibrary.update_asset_thumbs(changed_files_uris)
for ges_layer in ges_timeline.get_layers():
for ges_clip in ges_layer.get_clips():
if ges_clip.get_asset().props.id in changed_files_uris:
if ges_clip.ui.audio_widget:
ges_clip.ui.audio_widget.update_previewer()
if ges_clip.ui.video_widget:
ges_clip.ui.video_widget.update_previewer()
