[gnome-user-share] Make the preferences single-instance

[Bastien Nocera <hadess src gnome org>]

commit a3f6cbcd22360bfb12b2ecb8b0f6481f4d115eee
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Nov 26 14:36:33 2009 +0000

    Make the preferences single-instance

 configure.in                |    2 +-
 src/file-share-properties.c |   23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletions(-)
---
diff --git a/configure.in b/configure.in
index a4a0799..4110e59 100644
--- a/configure.in
+++ b/configure.in
@@ -60,7 +60,7 @@ PKG_CHECK_MODULES(USER_SHARE, glib-2.0 >= 2.15.2 gio-2.0 gdk-x11-2.0 gtk+-2.0 gc
 AC_SUBST(USER_SHARE_CFLAGS)
 AC_SUBST(USER_SHARE_LIBS)
 
-PKG_CHECK_MODULES(USER_SHARE_CONFIG, glib-2.0 >= 2.15.2 gtk+-2.0 >= 2.12.0 gconf-2.0)
+PKG_CHECK_MODULES(USER_SHARE_CONFIG, glib-2.0 >= 2.15.2 gtk+-2.0 >= 2.12.0 gconf-2.0 unique-1.0)
 AC_SUBST(USER_SHARE_CONFIG_CFLAGS)
 AC_SUBST(USER_SHARE_CONFIG_LIBS)
 	
diff --git a/src/file-share-properties.c b/src/file-share-properties.c
index b858e78..17dc9bb 100644
--- a/src/file-share-properties.c
+++ b/src/file-share-properties.c
@@ -29,6 +29,7 @@
 #include <gtk/gtk.h>
 #include <glib/gi18n.h>
 #include <gconf/gconf-client.h>
+#include <unique/uniqueapp.h>
 
 #include "user_share-private.h"
 
@@ -469,6 +470,18 @@ help_button_clicked (GtkButton *button, GtkWidget *window)
 	}
 }
 
+static UniqueResponse
+message_received_cb (UniqueApp         *app,
+		     int                command,
+		     UniqueMessageData *message_data,
+		     guint              time_,
+		     gpointer           user_data)
+{
+  gtk_window_present (GTK_WINDOW (user_data));
+
+  return UNIQUE_RESPONSE_OK;
+}
+
 int
 main (int argc, char *argv[])
 {
@@ -487,6 +500,7 @@ main (int argc, char *argv[])
     GtkListStore *store;
     GtkCellRenderer *cell;
     GtkTreeIter iter;
+    UniqueApp *app;
     
     bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
     bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
@@ -494,6 +508,13 @@ main (int argc, char *argv[])
     
     gtk_init (&argc, &argv);
 
+    app = unique_app_new ("org.gnome.user-share.properties", NULL);
+    if (unique_app_is_running (app)) {
+      gdk_notify_startup_complete ();
+      unique_app_send_message (app, UNIQUE_ACTIVATE, NULL);
+      return 0;
+    }
+
     builder = gtk_builder_new ();
     gtk_builder_add_from_file (builder, DATADIR"file-share-properties.ui", &error);
 
@@ -511,6 +532,8 @@ main (int argc, char *argv[])
     window = GTK_WIDGET (gtk_builder_get_object (builder, "user_share_dialog"));
     g_signal_connect (G_OBJECT (window), "delete_event",
 		      G_CALLBACK (gtk_main_quit), NULL);
+    g_signal_connect (app, "message-received",
+		      G_CALLBACK (message_received_cb), window);
 
     client = gconf_client_get_default ();
     gconf_client_add_dir (client,