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[animation] Proxy properties whenever possible

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The Animation class should proxy the :mode, :duration and :loop
properties whenever possible, to avoid them going out of sync when
changed using the Alpha and Timeline instances directly.

Currently, if Timeline:duration is changed, querying Animation:duration
will yield the old value, but the animation itself (being driven by
the Timeline) will use the Timeline's :duration new value. This holds
for the :loop and :mode properties as well.

Instead, the getters for the Animation's :duration, :loop and
:mode properties should ask the relevant object -- if any. The
loop, duration and mode values inside AnimationPrivate should only
be used if no Timeline or no Alpha instances are available, or
when creating new instances.
This commit is contained in:
Emmanuele Bassi 2009-05-27 12:12:11 +01:00
parent 1f44c3584c
commit 7edaf8ece8
1 changed files with 46 additions and 14 deletions
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60
clutter/clutter-animation.c
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@ -220,15 +220,15 @@ clutter_animation_get_property (GObject *gobject,
break;
case PROP_MODE:
g_value_set_ulong (value, priv->mode);
g_value_set_ulong (value, clutter_animation_get_mode (animation));
break;
case PROP_DURATION:
g_value_set_uint (value, priv->duration);
g_value_set_uint (value, clutter_animation_get_duration (animation));
break;
case PROP_LOOP:
g_value_set_boolean (value, priv->loop);
g_value_set_boolean (value, clutter_animation_get_loop (animation));
break;
case PROP_TIMELINE:
@ -747,7 +747,7 @@ on_timeline_completed (ClutterTimeline *timeline,
{
CLUTTER_NOTE (ANIMATION, "Timeline [%p] complete", timeline);
if (!animation->priv->loop)
if (!clutter_animation_get_loop (animation))
g_signal_emit (animation, animation_signals[COMPLETED], 0);
}
@ -1031,9 +1031,16 @@ clutter_animation_set_mode (ClutterAnimation *animation,
gulong
clutter_animation_get_mode (ClutterAnimation *animation)
{
ClutterAnimationPrivate *priv;
g_return_val_if_fail (CLUTTER_IS_ANIMATION (animation), CLUTTER_LINEAR);
return animation->priv->mode;
priv = animation->priv;
if (priv->alpha != NULL)
return clutter_alpha_get_mode (priv->alpha);
return priv->mode;
}
/**
@ -1104,17 +1111,16 @@ clutter_animation_set_loop (ClutterAnimation *animation,
priv = animation->priv;
if (priv->loop == loop)
return;
priv->loop = loop;
alpha = clutter_animation_get_alpha_internal (animation);
timeline = clutter_alpha_get_timeline (alpha);
if (timeline == NULL)
clutter_animation_create_timeline (animation);
{
priv->loop = loop;
clutter_animation_create_timeline (animation);
}
else
clutter_timeline_set_loop (timeline, priv->loop);
clutter_timeline_set_loop (timeline, loop);
g_object_notify (G_OBJECT (animation), "loop");
}
@ -1132,9 +1138,22 @@ clutter_animation_set_loop (ClutterAnimation *animation,
gboolean
clutter_animation_get_loop (ClutterAnimation *animation)
{
ClutterAnimationPrivate *priv;
g_return_val_if_fail (CLUTTER_IS_ANIMATION (animation), FALSE);
return animation->priv->loop;
priv = animation->priv;
if (priv->alpha != NULL)
{
ClutterTimeline *timeline;
timeline = clutter_alpha_get_timeline (priv->alpha);
if (timeline != NULL)
return clutter_timeline_get_loop (timeline);
}
return priv->loop;
}
/**
@ -1150,9 +1169,22 @@ clutter_animation_get_loop (ClutterAnimation *animation)
guint
clutter_animation_get_duration (ClutterAnimation *animation)
{
ClutterAnimationPrivate *priv;
g_return_val_if_fail (CLUTTER_IS_ANIMATION (animation), 0);
return animation->priv->duration;
priv = animation->priv;
if (priv->alpha != NULL)
{
ClutterTimeline *timeline;
timeline = clutter_alpha_get_timeline (priv->alpha);
if (timeline != NULL)
return clutter_timeline_get_duration (timeline);
}
return priv->duration;
}
/**