[empathy] Add magic to automatically run tasks when empathy-auth-client is started

[Guillaume Desmottes <gdesmott src gnome org>]

commit c69625323288a119356bb6627c00f21a74f32f24
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Tue Mar 6 15:08:03 2012 +0100

    Add magic to automatically run tasks when empathy-auth-client is started
    
    empathy-auth-client is the best place to do such tasks as it will be run even
    if using only the Shell without Empathy's UI.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=671452

 data/org.gnome.Empathy.gschema.xml.in |    5 ++
 libempathy/empathy-gsettings.h        |    1 +
 src/Makefile.am                       |    1 +
 src/empathy-auth-client.c             |    3 +
 src/empathy-sanity-cleaning.c         |   89 +++++++++++++++++++++++++++++++++
 src/empathy-sanity-cleaning.h         |   27 ++++++++++
 6 files changed, 126 insertions(+), 0 deletions(-)
---
diff --git a/data/org.gnome.Empathy.gschema.xml.in b/data/org.gnome.Empathy.gschema.xml.in
index 8e7d9fd..8901d21 100644
--- a/data/org.gnome.Empathy.gschema.xml.in
+++ b/data/org.gnome.Empathy.gschema.xml.in
@@ -28,6 +28,11 @@
       <_summary>Empathy default download folder</_summary>
       <_description>The default folder to save file transfers in.</_description>
     </key>
+    <key name="sanity-cleaning-number" type="u">
+      <default>0</default>
+      <_summary>Magic number used to check if sanity cleaning tasks should be run</_summary>
+      <_description>empathy-sanity-cleaning.c uses this number to check if the cleaning tasks should be executed or not. Users should not change this key manually.</_description>
+    </key>
     <child name="ui" schema="org.gnome.Empathy.ui"/>
     <child name="contacts" schema="org.gnome.Empathy.contacts"/>
     <child name="sounds" schema="org.gnome.Empathy.sounds"/>
diff --git a/libempathy/empathy-gsettings.h b/libempathy/empathy-gsettings.h
index fd05141..2863cf9 100644
--- a/libempathy/empathy-gsettings.h
+++ b/libempathy/empathy-gsettings.h
@@ -30,6 +30,7 @@ G_BEGIN_DECLS
 #define EMPATHY_PREFS_AUTOCONNECT                  "autoconnect"
 #define EMPATHY_PREFS_AUTOAWAY                     "autoaway"
 #define EMPATHY_PREFS_FILE_TRANSFER_DEFAULT_FOLDER "file-transfer-default-folder"
+#define EMPATHY_PREFS_SANITY_CLEANING_NUMBER       "sanity-cleaning-number"
 
 #define EMPATHY_PREFS_NOTIFICATIONS_SCHEMA EMPATHY_PREFS_SCHEMA ".notifications"
 #define EMPATHY_PREFS_NOTIFICATIONS_ENABLED        "notifications-enabled"
diff --git a/src/Makefile.am b/src/Makefile.am
index 8ffdedc..dfde205 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -102,6 +102,7 @@ libexec_PROGRAMS += empathy-av
 endif
 
 empathy_auth_client_SOURCES =						\
+	empathy-sanity-cleaning.c empathy-sanity-cleaning.h \
 	empathy-auth-client.c \
 	$(NULL)
 
diff --git a/src/empathy-auth-client.c b/src/empathy-auth-client.c
index 22a6252..ecf1ad1 100644
--- a/src/empathy-auth-client.c
+++ b/src/empathy-auth-client.c
@@ -41,6 +41,8 @@
 #include <libempathy-gtk/empathy-tls-dialog.h>
 #include <libempathy-gtk/empathy-ui-utils.h>
 
+#include "empathy-sanity-cleaning.h"
+
 #include <gnutls/gnutls.h>
 
 #include <extensions/extensions.h>
@@ -351,6 +353,7 @@ main (int argc,
     }
 
   start_timer ();
+  empathy_sanity_checking_run_if_needed ();
 
   gtk_main ();
 
diff --git a/src/empathy-sanity-cleaning.c b/src/empathy-sanity-cleaning.c
new file mode 100644
index 0000000..95353eb
--- /dev/null
+++ b/src/empathy-sanity-cleaning.c
@@ -0,0 +1,89 @@
+/*
+ * empathy-sanity-cleaning.c
+ * Code automatically called when starting a specific version of Empathy for
+ * the first time doing misc cleaning.
+ *
+ * Copyright (C) 2012 Collabora Ltd.
+ * @author Guillaume Desmottes <guillaume desmottes collabora co uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "config.h"
+
+#include "empathy-sanity-cleaning.h"
+
+#include <telepathy-glib/telepathy-glib.h>
+
+#include <libempathy/empathy-gsettings.h>
+
+#define DEBUG_FLAG EMPATHY_DEBUG_OTHER
+#include <libempathy/empathy-debug.h>
+
+/*
+ * This number has to be increased each time a new task is added or modified.
+ *
+ * If the number stored in gsettings is lower than it, all the tasks will
+ * be executed.
+ */
+#define SANITY_CLEANING_NUMBER 0
+
+static void
+run_sanity_cleaning_tasks (TpAccountManager *am)
+{
+  DEBUG ("Starting sanity cleaning tasks");
+}
+
+static void
+am_prepare_cb (GObject *source,
+    GAsyncResult *result,
+    gpointer user_data)
+{
+  GError *error = NULL;
+  TpAccountManager *am = TP_ACCOUNT_MANAGER (source);
+
+  if (!tp_proxy_prepare_finish (am, result, &error))
+    {
+      DEBUG ("Failed to prepare account manager: %s", error->message);
+      g_error_free (error);
+      return;
+    }
+
+  run_sanity_cleaning_tasks (am);
+}
+
+void empathy_sanity_checking_run_if_needed (void)
+{
+  GSettings *settings;
+  guint number;
+  TpAccountManager *am;
+
+  settings = g_settings_new (EMPATHY_PREFS_SCHEMA);
+  number = g_settings_get_uint (settings, EMPATHY_PREFS_SANITY_CLEANING_NUMBER);
+
+  if (number == SANITY_CLEANING_NUMBER)
+    goto out;
+
+  am = tp_account_manager_dup ();
+
+  tp_proxy_prepare_async (am, NULL, am_prepare_cb, NULL);
+
+  g_settings_set_uint (settings, EMPATHY_PREFS_SANITY_CLEANING_NUMBER,
+      SANITY_CLEANING_NUMBER);
+
+  g_object_unref (am);
+out:
+  g_object_unref (settings);
+}
diff --git a/src/empathy-sanity-cleaning.h b/src/empathy-sanity-cleaning.h
new file mode 100644
index 0000000..593f9ad
--- /dev/null
+++ b/src/empathy-sanity-cleaning.h
@@ -0,0 +1,27 @@
+/*
+ * empathy-sanity-cleaning.h
+ *
+ * Copyright (C) 2012 Collabora Ltd.
+ * @author Guillaume Desmottes <guillaume desmottes collabora co uk>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef __EMPATHY_SANITY_CLEANING_H__
+#define __EMPATHY_SANITY_CLEANING_H__
+
+void empathy_sanity_checking_run_if_needed (void);
+
+#endif