From da87b4f29a564fc648cc2d62cecdb2c05badc9e0 Mon Sep 17 00:00:00 2001
From: Artem Garmash <artemgarmash@gmail.com>
Date: Fri, 12 Feb 2010 23:59:10 +0200
Subject: [PATCH] Check that eventlogger constructed correctly and try to
 recover in case of failure

---
 src/el-home-applet.c |   91 ++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 69 insertions(+), 22 deletions(-)

diff --git a/src/el-home-applet.c b/src/el-home-applet.c
index 7991a94..6254576 100644
--- a/src/el-home-applet.c
+++ b/src/el-home-applet.c
@@ -146,6 +146,8 @@ struct _ELHomeAppletPrivate
         OssoABookContact *contact;
 
         gboolean time_fmt_24h;
+
+        guint init_timer;
 };
 
 HD_DEFINE_PLUGIN_MODULE (ELHomeApplet, el_home_applet, HD_TYPE_HOME_PLUGIN_ITEM);
@@ -830,6 +832,11 @@ dispose (GObject *self)
 {
         ELHomeAppletPrivate *priv = EL_HOME_APPLET(self)->priv;
 
+        if (priv->init_timer) {
+                g_source_remove (priv->init_timer);
+                priv->init_timer = 0;
+        }
+
         stop_scroll_anim (priv);
         if (priv->idle_id) {
                 g_source_remove (priv->idle_id);
@@ -1714,6 +1721,67 @@ leave_notify_event_cb (GtkWidget        *widget,
         return FALSE;
 }
 
+static gboolean
+init_eventlogger (ELHomeApplet *self)
+{
+        ELHomeAppletPrivate *priv = self->priv;
+
+        priv->eventlogger = rtcom_el_new ();
+
+        /* check that db is initialized */
+        gpointer *db = NULL;
+        g_object_get (priv->eventlogger, "db", &db, NULL);
+        if (!db) {
+                static int trial = 0;
+
+                g_object_unref (priv->eventlogger);
+                priv->eventlogger = NULL;
+
+                if (trial == 0) {
+                        trial++;
+                        priv->init_timer = g_timeout_add_seconds (5,
+                                                                  (GSourceFunc)init_eventlogger,
+                                                                  self);
+                        return TRUE; /* return value doesn't matter */
+                }
+                else if (trial < 5) {
+                        trial++;
+                        return TRUE;
+                }
+                else {
+                        g_error ("Failed to init eventlogger");
+                        return FALSE;
+                }
+        }
+
+        g_signal_connect (priv->eventlogger,
+                          "new-event",
+                          G_CALLBACK (new_event_cb),
+                          self);
+        g_signal_connect (priv->eventlogger,
+                          "event-updated",
+                          G_CALLBACK (new_event_cb),
+                          self);
+        g_signal_connect (priv->eventlogger,
+                          "event-deleted",
+                          G_CALLBACK (new_event_cb),
+                          self);
+        g_signal_connect (priv->eventlogger,
+                          "all-deleted",
+                          G_CALLBACK (all_deleted_cb),
+                          self);
+        g_signal_connect (priv->eventlogger,
+                          "refresh-hint",
+                          G_CALLBACK (refresh_hint_cb),
+                          self);
+
+        add_new_idle (self);
+
+        priv->init_timer = 0;
+
+        return FALSE;
+}
+
 static void
 el_home_applet_init (ELHomeApplet *self)
 {
@@ -1848,27 +1916,6 @@ el_home_applet_init (ELHomeApplet *self)
 
         gtk_widget_show_all (GTK_WIDGET (event_box));
 
-        priv->eventlogger = rtcom_el_new ();
-        g_signal_connect (priv->eventlogger,
-                          "new-event",
-                          G_CALLBACK (new_event_cb),
-                          self);
-        g_signal_connect (priv->eventlogger,
-                          "event-updated",
-                          G_CALLBACK (new_event_cb),
-                          self);
-        g_signal_connect (priv->eventlogger,
-                          "event-deleted",
-                          G_CALLBACK (new_event_cb),
-                          self);
-        g_signal_connect (priv->eventlogger,
-                          "all-deleted",
-                          G_CALLBACK (all_deleted_cb),
-                          self);
-        g_signal_connect (priv->eventlogger,
-                          "refresh-hint",
-                          G_CALLBACK (refresh_hint_cb),
-                          self);
 
         osso_abook_init_with_name (PACKAGE, NULL);
 
@@ -1878,7 +1925,7 @@ el_home_applet_init (ELHomeApplet *self)
                                                     NULL);
         g_object_unref (gconf);
 
-        add_new_idle (self);
+        init_eventlogger (self);
 }
 
 static void
-- 
1.7.9.5