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compositor: Avoid thaw on inconsistent effect_completed calls

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If the meta_window_actor_effect_completed() triggers inconsistent
accounting, there's also high chances that the thaw call will be
unexpected at this time too, which will lead to a g_error().

This makes mutter more lenient to effect_completed() calls of the
right type (i.e. those triggering freeze/thaw) being performed more
times than necessary in the upper parts. A warning will be issued,
but the process won't abort.

https://bugzilla.gnome.org/show_bug.cgi?id=777691
This commit is contained in:
Carlos Garnacho 2017-01-24 11:03:41 +01:00
parent 18a4b9fb2c
commit 23c315ea71
1 changed files with 7 additions and 1 deletions
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8
src/compositor/meta-window-actor.c
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@ -1129,6 +1129,7 @@ meta_window_actor_effect_completed (MetaWindowActor *self,
MetaPluginEffect event)
{
MetaWindowActorPrivate *priv = self->priv;
gboolean inconsistent = FALSE;
/* NB: Keep in mind that when effects get completed it possible
* that the corresponding MetaWindow may have be been destroyed.
@ -1145,6 +1146,7 @@ meta_window_actor_effect_completed (MetaWindowActor *self,
{
g_warning ("Error in minimize accounting.");
priv->minimize_in_progress = 0;
inconsistent = TRUE;
}
}
break;
@ -1155,6 +1157,7 @@ meta_window_actor_effect_completed (MetaWindowActor *self,
{
g_warning ("Error in unminimize accounting.");
priv->unminimize_in_progress = 0;
inconsistent = TRUE;
}
}
break;
@ -1169,6 +1172,7 @@ meta_window_actor_effect_completed (MetaWindowActor *self,
{
g_warning ("Error in map accounting.");
priv->map_in_progress = 0;
inconsistent = TRUE;
}
break;
case META_PLUGIN_DESTROY:
@ -1178,6 +1182,7 @@ meta_window_actor_effect_completed (MetaWindowActor *self,
{
g_warning ("Error in destroy accounting.");
priv->destroy_in_progress = 0;
inconsistent = TRUE;
}
break;
case META_PLUGIN_SIZE_CHANGE:
@ -1186,6 +1191,7 @@ meta_window_actor_effect_completed (MetaWindowActor *self,
{
g_warning ("Error in size change accounting.");
priv->size_change_in_progress = 0;
inconsistent = TRUE;
}
break;
case META_PLUGIN_SWITCH_WORKSPACE:
@ -1193,7 +1199,7 @@ meta_window_actor_effect_completed (MetaWindowActor *self,
break;
}
if (is_freeze_thaw_effect (event))
if (is_freeze_thaw_effect (event) && !inconsistent)
meta_window_actor_thaw (self);
if (!meta_window_actor_effect_in_progress (self))