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Bug 1071 - clutter_timeline_get_duration doesn't always work

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* clutter/clutter-timeline.c: Calculate the 'duration' property
	on-demand instead of storing it as a member variable. Notify
	duration property changes whenever the fps or num_frames changes.
This commit is contained in:
Neil Roberts 2008-08-01 11:09:43 +00:00
parent 420dcf7437
commit fc73b84002
2 changed files with 34 additions and 19 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2008-08-01 Neil Roberts <neil@o-hand.com>
Bug 1071 - clutter_timeline_get_duration doesn't always work
* clutter/clutter-timeline.c: Calculate the 'duration' property
on-demand instead of storing it as a member variable. Notify
duration property changes whenever the fps or num_frames changes.
2008-08-01 Neil Roberts <neil@o-hand.com> 2008-08-01 Neil Roberts <neil@o-hand.com>
Bug 1069 - Warnings with ClutterScore Bug 1069 - Warnings with ClutterScore

45
clutter/clutter-timeline.c
View File

@ -107,7 +107,6 @@ struct _ClutterTimelinePrivate
guint fps; guint fps;
guint n_frames; guint n_frames;
guint delay; guint delay;
guint duration;
gint skipped_frames; gint skipped_frames;
@ -256,7 +255,7 @@ clutter_timeline_set_property (GObject *object,
clutter_timeline_set_speed (timeline, g_value_get_uint (value)); clutter_timeline_set_speed (timeline, g_value_get_uint (value));
break; break;
case PROP_NUM_FRAMES: case PROP_NUM_FRAMES:
priv->n_frames = g_value_get_uint (value); clutter_timeline_set_n_frames (timeline, g_value_get_uint (value));
break; break;
case PROP_LOOP: case PROP_LOOP:
priv->loop = g_value_get_boolean (value); priv->loop = g_value_get_boolean (value);
@ -303,7 +302,7 @@ clutter_timeline_get_property (GObject *object,
g_value_set_uint (value, priv->delay); g_value_set_uint (value, priv->delay);
break; break;
case PROP_DURATION: case PROP_DURATION:
g_value_set_uint (value, priv->duration); g_value_set_uint (value, clutter_timeline_get_duration (timeline));
break; break;
case PROP_DIRECTION: case PROP_DIRECTION:
g_value_set_enum (value, priv->direction); g_value_set_enum (value, priv->direction);
@ -1058,9 +1057,17 @@ clutter_timeline_set_n_frames (ClutterTimeline *timeline,
if (priv->n_frames != n_frames) if (priv->n_frames != n_frames)
{ {
g_object_ref (timeline);
g_object_freeze_notify (G_OBJECT (timeline));
priv->n_frames = n_frames; priv->n_frames = n_frames;
g_object_notify (G_OBJECT (timeline), "num-frames"); g_object_notify (G_OBJECT (timeline), "num-frames");
g_object_notify (G_OBJECT (timeline), "duration");
g_object_thaw_notify (G_OBJECT (timeline));
g_object_unref (timeline);
} }
} }
@ -1099,7 +1106,13 @@ clutter_timeline_set_speed (ClutterTimeline *timeline,
timeline, NULL); timeline, NULL);
} }
g_object_freeze_notify (G_OBJECT (timeline));
g_object_notify (G_OBJECT (timeline), "duration");
g_object_notify (G_OBJECT (timeline), "fps"); g_object_notify (G_OBJECT (timeline), "fps");
g_object_thaw_notify (G_OBJECT (timeline));
g_object_unref (timeline); g_object_unref (timeline);
} }
} }
@ -1267,9 +1280,13 @@ clutter_timeline_set_delay (ClutterTimeline *timeline,
guint guint
clutter_timeline_get_duration (ClutterTimeline *timeline) clutter_timeline_get_duration (ClutterTimeline *timeline)
{ {
ClutterTimelinePrivate *priv;
g_return_val_if_fail (CLUTTER_IS_TIMELINE (timeline), 0); g_return_val_if_fail (CLUTTER_IS_TIMELINE (timeline), 0);
return timeline->priv->duration; priv = timeline->priv;
return priv->n_frames * 1000 / priv->fps;
} }
/** /**
@ -1287,27 +1304,17 @@ clutter_timeline_set_duration (ClutterTimeline *timeline,
guint msecs) guint msecs)
{ {
ClutterTimelinePrivate *priv; ClutterTimelinePrivate *priv;
guint n_frames;
g_return_if_fail (CLUTTER_IS_TIMELINE (timeline)); g_return_if_fail (CLUTTER_IS_TIMELINE (timeline));
priv = timeline->priv; priv = timeline->priv;
if (priv->duration != msecs) n_frames = msecs * priv->fps / 1000;
{ if (n_frames < 1)
g_object_ref (timeline); n_frames = 1;
g_object_freeze_notify (G_OBJECT (timeline)); clutter_timeline_set_n_frames (timeline, n_frames);
priv->duration = msecs;
priv->n_frames = priv->duration * priv->fps / 1000;
g_object_notify (G_OBJECT (timeline), "num-frames");
g_object_notify (G_OBJECT (timeline), "duration");
g_object_thaw_notify (G_OBJECT (timeline));
g_object_unref (timeline);
}
} }
/** /**