Revert "Revert "Revert "Revert "deskmirror - fix dangling reference to mirror by...
authorCarsten Haitzler (Rasterman) <raster@rasterman.com>
Thu, 24 Sep 2015 05:01:21 +0000 (14:01 +0900)
committerCarsten Haitzler (Rasterman) <raster@rasterman.com>
Thu, 24 Sep 2015 23:23:39 +0000 (08:23 +0900)
This reverts commit 2373b69c61d7d6ab74675a4facff54601831ce9a.

stop crashing on restart

src/bin/e_deskmirror.c

index 3efe066..4abc0b3 100644 (file)
@@ -41,6 +41,7 @@ typedef struct Mirror
    Evas_Object *comp_object;
    Evas_Object *mirror;
    int x, y, w, h;
+   int ref;
    Eina_Bool added : 1;
 } Mirror;
 
@@ -110,6 +111,20 @@ _mirror_scale_set(Mirror *m, float sc)
 }
 
 static void
+_mirror_ref(Mirror *m)
+{
+   m->ref++;
+}
+
+static void
+_mirror_unref(Mirror *m)
+{
+   m->ref--;
+   if (m->ref > 0) return;
+   free(m);
+}
+
+static void
 _e_deskmirror_smart_reconfigure(E_Smart_Data *sd)
 {
    e_layout_freeze(sd->layout);
@@ -337,7 +352,10 @@ _mirror_client_smart_del(Evas_Object *obj)
         evas_object_smart_callback_del_full(mb->m->ec->frame, "shadow_change", _mirror_client_shadow_change, mb->frame);
      }
    evas_object_del(mb->frame);
+   mb->frame = NULL;
    evas_object_del(mb->mirror);
+   mb->mirror = NULL;
+   _mirror_unref(mb->m);
    free(mb);
 }
 
@@ -474,12 +492,13 @@ _e_deskmirror_mirror_del_hash(Mirror *m)
    evas_object_smart_callback_del_full(m->comp_object, "frame_recalc_done", _e_deskmirror_mirror_frame_recalc_cb, m);
    evas_object_event_callback_del_full(m->comp_object, EVAS_CALLBACK_DEL, _e_deskmirror_mirror_del_cb, m);
    evas_object_del(m->mirror);
+   m->mirror = NULL;
    evas_object_event_callback_del_full(m->comp_object, EVAS_CALLBACK_SHOW, (Evas_Object_Event_Cb)_comp_object_show, m);
    evas_object_event_callback_del_full(m->comp_object, EVAS_CALLBACK_HIDE, (Evas_Object_Event_Cb)_comp_object_hide, m);
    evas_object_event_callback_del_full(m->comp_object, EVAS_CALLBACK_RESTACK, (Evas_Object_Event_Cb)_comp_object_stack, m);
    evas_object_event_callback_del_full(m->comp_object, EVAS_CALLBACK_RESIZE, (Evas_Object_Event_Cb)_comp_object_configure, m);
    evas_object_event_callback_del_full(m->comp_object, EVAS_CALLBACK_MOVE, (Evas_Object_Event_Cb)_comp_object_configure, m);
-   free(m);
+   _mirror_unref(m);
 }
 
 static Evas_Object *
@@ -492,6 +511,7 @@ _mirror_client_new(Mirror *m)
    o = evas_object_smart_add(m->sd->e, _mirror_client_smart);
    mb = evas_object_smart_data_get(o);
    mb->m = m;
+   _mirror_ref(m);
    mb->frame = edje_object_add(m->sd->e);
    evas_object_name_set(mb->frame, "mirror_border");
    _mirror_client_theme_setup(mb, mb->frame);
@@ -656,6 +676,7 @@ _e_deskmirror_mirror_add(E_Smart_Data *sd, Evas_Object *obj)
    m->ec = ec;
    m->sd = sd;
    m->mirror = o;
+   m->ref = 1;
    evas_object_event_callback_add(obj, EVAS_CALLBACK_SHOW, (Evas_Object_Event_Cb)_comp_object_show, m);
    evas_object_event_callback_add(obj, EVAS_CALLBACK_HIDE, (Evas_Object_Event_Cb)_comp_object_hide, m);
    evas_object_event_callback_add(obj, EVAS_CALLBACK_RESTACK, (Evas_Object_Event_Cb)_comp_object_stack, m);