[evolution] Bug 747473 - Recurring all day events shown incorrectly

[Milan Crha <mcrha src gnome org>]

commit 73945cefd2515fd87be471c28b2e835c89762c03
Author: Milan Crha <mcrha redhat com>
Date:   Fri Apr 10 12:00:16 2015 +0200

    Bug 747473 - Recurring all day events shown incorrectly

 calendar/gui/comp-util.c        |    5 ++---
 calendar/gui/e-cal-data-model.c |   21 +++++++++++++++++++--
 2 files changed, 21 insertions(+), 5 deletions(-)
---
diff --git a/calendar/gui/comp-util.c b/calendar/gui/comp-util.c
index cd1732b..114a4bc 100644
--- a/calendar/gui/comp-util.c
+++ b/calendar/gui/comp-util.c
@@ -887,7 +887,7 @@ cal_comp_get_instance_times (ECalClient *client,
                                if (st_zone)
                                        zone = st_zone;
                        }
-              }
+               }
        }
 
        *instance_start = icaltime_as_timet_with_zone (start_time, zone);
@@ -914,8 +914,7 @@ cal_comp_get_instance_times (ECalClient *client,
                                if (end_zone)
                                        zone = end_zone;
                        }
-              }
-
+               }
        }
 
        *instance_end = icaltime_as_timet_with_zone (end_time, zone);
diff --git a/calendar/gui/e-cal-data-model.c b/calendar/gui/e-cal-data-model.c
index ea6430a..fd84f71 100644
--- a/calendar/gui/e-cal-data-model.c
+++ b/calendar/gui/e-cal-data-model.c
@@ -1018,18 +1018,35 @@ cal_data_model_instance_generated (ECalComponent *comp,
 {
        GenerateInstancesData *gid = data;
        ComponentData *comp_data;
+       ECalComponent *comp_copy;
+       icaltimetype tt, tt2;
 
        g_return_val_if_fail (gid != NULL, FALSE);
 
-       cal_comp_get_instance_times (gid->client, e_cal_component_get_icalcomponent (comp),
+       comp_copy = e_cal_component_clone (comp);
+       g_return_val_if_fail (comp_copy != NULL, FALSE);
+
+       tt = icalcomponent_get_dtstart (e_cal_component_get_icalcomponent (comp_copy));
+       tt2 = icaltime_from_timet_with_zone (instance_start, tt.is_date, gid->zone);
+       icalcomponent_set_dtstart (e_cal_component_get_icalcomponent (comp_copy), tt2);
+
+       tt = icalcomponent_get_dtend (e_cal_component_get_icalcomponent (comp_copy));
+       tt2 = icaltime_from_timet_with_zone (instance_end, tt.is_date, gid->zone);
+       icalcomponent_set_dtend (e_cal_component_get_icalcomponent (comp_copy), tt2);
+
+       e_cal_component_rescan (comp_copy);
+
+       cal_comp_get_instance_times (gid->client, e_cal_component_get_icalcomponent (comp_copy),
                gid->zone, &instance_start, NULL, &instance_end, NULL, NULL);
 
        if (instance_end > instance_start)
                instance_end--;
 
-       comp_data = component_data_new (comp, instance_start, instance_end, FALSE);
+       comp_data = component_data_new (comp_copy, instance_start, instance_end, FALSE);
        *gid->pexpanded_recurrences = g_slist_prepend (*gid->pexpanded_recurrences, comp_data);
 
+       g_object_unref (comp_copy);
+
        return TRUE;
 }