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-rw-r--r--calendar/ChangeLog16
-rw-r--r--calendar/cal-client/Makefile.am1
-rw-r--r--calendar/cal-client/cal-client.c38
-rw-r--r--calendar/cal-client/cal-client.h2
-rw-r--r--calendar/gui/gnome-cal.c32
5 files changed, 89 insertions, 0 deletions
diff --git a/calendar/ChangeLog b/calendar/ChangeLog
index 406b18dc12..f547769669 100644
--- a/calendar/ChangeLog
+++ b/calendar/ChangeLog
@@ -1,3 +1,19 @@
+2002-08-16 Rodrigo Moya <rodrigo@ximian.com>
+
+ * cal-client/cal-client.[ch]: added internal EComponentListener
+ object, to listen for the activated Cal.
+ (cal_client_class_init): added "backend_died" signal.
+ (cal_client_destroy): clean up component listener.
+ (backend_died_cb): new callback for getting signals from the
+ EComponentListener.
+ (cal_opened_cb): setup component listener.
+
+ * cal-client/Makefile.am: added libetuil to needed LIBS.
+
+ * gui/gnome-cal.c (backend_died_cb): new callback.
+ (gnome_calendar_construct): connect to "backend_died" signal
+ on all CalClient's we create.
+
2002-08-14 JP Rosevear <jpr@ximian.com>
* gui/dialogs/cal-prefs-dialog.c (init_widgets): listen for the
diff --git a/calendar/cal-client/Makefile.am b/calendar/cal-client/Makefile.am
index de4b85e51f..c1ede1e84f 100644
--- a/calendar/cal-client/Makefile.am
+++ b/calendar/cal-client/Makefile.am
@@ -77,6 +77,7 @@ client_test_INCLUDES = \
client_test_LDADD = \
$(EVOLUTION_CALENDAR_LIBS) \
+ $(top_builddir)/e-util/libeutil.la \
$(top_builddir)/calendar/cal-util/libcal-util.la \
$(top_builddir)/libversit/libversit.a \
$(top_builddir)/libical/src/libical/libical-evolution.la \
diff --git a/calendar/cal-client/cal-client.c b/calendar/cal-client/cal-client.c
index 992f0bf157..b46dc3a215 100644
--- a/calendar/cal-client/cal-client.c
+++ b/calendar/cal-client/cal-client.c
@@ -29,6 +29,7 @@
#include <bonobo-conf/bonobo-config-database.h>
#include <libgnome/gnome-util.h>
+#include "e-util/e-component-listener.h"
#include "cal-client-types.h"
#include "cal-client.h"
#include "cal-listener.h"
@@ -69,6 +70,9 @@ struct _CalClientPrivate {
/* The default timezone to use to resolve DATE and floating DATE-TIME
values. */
icaltimezone *default_zone;
+
+ /* The component listener to keep track of the lifetime of backends */
+ EComponentListener *comp_listener;
};
@@ -81,6 +85,7 @@ enum {
OBJ_REMOVED,
CATEGORIES_CHANGED,
FORGET_PASSWORD,
+ BACKEND_DIED,
LAST_SIGNAL
};
@@ -196,6 +201,13 @@ cal_client_class_init (CalClientClass *class)
gtk_marshal_NONE__STRING,
GTK_TYPE_NONE, 1,
GTK_TYPE_STRING);
+ cal_client_signals[BACKEND_DIED] =
+ gtk_signal_new ("backend_died",
+ GTK_RUN_FIRST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (CalClientClass, backend_died),
+ gtk_marshal_NONE__NONE,
+ GTK_TYPE_NONE, 0);
gtk_object_class_add_signals (object_class, cal_client_signals, LAST_SIGNAL);
@@ -204,6 +216,7 @@ cal_client_class_init (CalClientClass *class)
class->obj_removed = NULL;
class->categories_changed = NULL;
class->forget_password = NULL;
+ class->backend_died = NULL;
object_class->destroy = cal_client_destroy;
}
@@ -223,6 +236,7 @@ cal_client_init (CalClient *client)
priv->timezones = g_hash_table_new (g_str_hash, g_str_equal);
priv->w_client = NULL;
priv->default_zone = icaltimezone_get_utc_timezone ();
+ priv->comp_listener = NULL;
}
/* Gets rid of the factories that a client knows about */
@@ -332,6 +346,12 @@ cal_client_destroy (GtkObject *object)
priv->listener = NULL;
}
+ if (priv->comp_listener) {
+ gtk_signal_disconnect_by_data (GTK_OBJECT (priv->comp_listener), client);
+ gtk_object_unref (GTK_OBJECT (priv->comp_listener));
+ priv->comp_listener = NULL;
+ }
+
priv->w_client = NULL;
destroy_factories (client);
destroy_cal (client);
@@ -356,6 +376,19 @@ cal_client_destroy (GtkObject *object)
+static void
+backend_died_cb (EComponentListener *cl, gpointer user_data)
+{
+ CalClientPrivate *priv;
+ CalClient *client = (CalClient *) user_data;
+
+ g_return_if_fail (IS_CAL_CLIENT (client));
+
+ priv = client->priv;
+ priv->load_state = CAL_CLIENT_LOAD_NOT_LOADED;
+ gtk_signal_emit (GTK_OBJECT (client), cal_client_signals[BACKEND_DIED]);
+}
+
/* Signal handlers for the listener's signals */
/* Handle the cal_opened notification from the listener */
static void
@@ -394,6 +427,11 @@ cal_opened_cb (CalListener *listener,
priv->load_state = CAL_CLIENT_LOAD_LOADED;
client_status = CAL_CLIENT_OPEN_SUCCESS;
+
+ /* setup component listener */
+ priv->comp_listener = e_component_listener_new (priv->cal, 0);
+ gtk_signal_connect (GTK_OBJECT (priv->comp_listener), "component_died",
+ GTK_SIGNAL_FUNC (backend_died_cb), client);
goto out;
case GNOME_Evolution_Calendar_Listener_ERROR:
diff --git a/calendar/cal-client/cal-client.h b/calendar/cal-client/cal-client.h
index 68bef1e96c..de5e19ffdf 100644
--- a/calendar/cal-client/cal-client.h
+++ b/calendar/cal-client/cal-client.h
@@ -110,6 +110,8 @@ struct _CalClientClass {
void (* categories_changed) (CalClient *client, GPtrArray *categories);
void (* forget_password) (CalClient *client, const char *key);
+
+ void (* backend_died) (CalClient *client);
};
typedef gchar * (* CalClientAuthFunc) (CalClient *client,
diff --git a/calendar/gui/gnome-cal.c b/calendar/gui/gnome-cal.c
index d26ad60e56..939b4c6d5c 100644
--- a/calendar/gui/gnome-cal.c
+++ b/calendar/gui/gnome-cal.c
@@ -1717,6 +1717,34 @@ client_categories_changed_cb (CalClient *client, GPtrArray *categories, gpointer
free_categories (merged);
}
+/* Callback when the backend dies */
+static void
+backend_died_cb (CalClient *client, gpointer data)
+{
+ GnomeCalendar *gcal;
+ GnomeCalendarPrivate *priv;
+ char *message;
+
+ gcal = GNOME_CALENDAR (data);
+ priv = gcal->priv;
+
+ if (client == priv->client) {
+ message = g_strdup_printf (_("The calendar backend for\n%s\n has crashed. "
+ "You will have to restart Evolution in order "
+ "to use it again"),
+ cal_client_get_uri (priv->client));
+ } else if (client == priv->task_pad_client) {
+ message = g_strdup_printf (_("The task backend for\n%s\n has crashed. "
+ "You will have to restart Evolution in order "
+ "to use it again"),
+ cal_client_get_uri (priv->task_pad_client));
+ } else
+ g_assert_not_reached ();
+
+ gnome_error_dialog_parented (message, GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (gcal))));
+ g_free (message);
+}
+
GtkWidget *
gnome_calendar_construct (GnomeCalendar *gcal)
{
@@ -1740,6 +1768,8 @@ gnome_calendar_construct (GnomeCalendar *gcal)
GTK_SIGNAL_FUNC (client_cal_opened_cb), gcal);
gtk_signal_connect (GTK_OBJECT (priv->client), "categories_changed",
GTK_SIGNAL_FUNC (client_categories_changed_cb), gcal);
+ gtk_signal_connect (GTK_OBJECT (priv->client), "backend_died",
+ GTK_SIGNAL_FUNC (backend_died_cb), gcal);
e_day_view_set_cal_client (E_DAY_VIEW (priv->day_view),
priv->client);
@@ -1761,6 +1791,8 @@ gnome_calendar_construct (GnomeCalendar *gcal)
GTK_SIGNAL_FUNC (client_cal_opened_cb), gcal);
gtk_signal_connect (GTK_OBJECT (priv->task_pad_client), "categories_changed",
GTK_SIGNAL_FUNC (client_categories_changed_cb), gcal);
+ gtk_signal_connect (GTK_OBJECT (priv->task_pad_client), "backend_died",
+ GTK_SIGNAL_FUNC (backend_died_cb), gcal);
model = e_calendar_table_get_model (E_CALENDAR_TABLE (priv->todo));
g_assert (model != NULL);
generated by cgit (git 2.34.1) at 2024-11-19 01:35:00 +0800