[gnome-software] Show a system-wide notification when the OS is end of life

[Richard Hughes <rhughes src gnome org>]

commit 32ae3e987281ba4e111d0db18a005ac1c5b1651c
Author: Richard Hughes <richard hughsie com>
Date:   Fri May 12 14:16:41 2017 +0100

    Show a system-wide notification when the OS is end of life

 src/gs-update-monitor.c |   52 +++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 52 insertions(+), 0 deletions(-)
---
diff --git a/src/gs-update-monitor.c b/src/gs-update-monitor.c
index ab1baaf..fa3a115 100644
--- a/src/gs-update-monitor.c
+++ b/src/gs-update-monitor.c
@@ -224,6 +224,42 @@ should_show_upgrade_notification (GsUpdateMonitor *monitor)
 }
 
 static void
+get_system_finished_cb (GObject *object, GAsyncResult *res, gpointer data)
+{
+       GsPluginLoader *plugin_loader = GS_PLUGIN_LOADER (object);
+       GsUpdateMonitor *monitor = GS_UPDATE_MONITOR (data);
+       g_autoptr(GError) error = NULL;
+       g_autoptr(GNotification) n = NULL;
+       g_autoptr(GsApp) app = NULL;
+
+       /* get result */
+       if (!gs_plugin_loader_app_refine_finish (plugin_loader, res, &error)) {
+               if (!g_error_matches (error, GS_PLUGIN_ERROR, GS_PLUGIN_ERROR_CANCELLED))
+                       g_warning ("failed to get system: %s", error->message);
+               return;
+       }
+
+       /* might be alrady showing, so just withdraw it and re-issue it */
+       g_application_withdraw_notification (monitor->application, "eol");
+
+       /* do not show when the main window is active */
+       if (gs_application_has_active_window (GS_APPLICATION (monitor->application)))
+               return;
+
+       /* is not EOL */
+       app = gs_plugin_loader_get_system_app (plugin_loader);
+       if (gs_app_get_state (app) != AS_APP_STATE_UNAVAILABLE)
+               return;
+
+       /* TRANSLATORS: this is when the current OS version goes end-of-life */
+       n = g_notification_new (_("Operating System Updates Unavailable"));
+       /* TRANSLATORS: this is the message dialog for the distro EOL notice */
+       g_notification_set_body (n, _("Upgrade to continue receiving security updates."));
+       g_notification_set_default_action_and_target (n, "app.set-mode", "s", "update");
+       g_application_send_notification (monitor->application, "eol", n);
+}
+
+static void
 get_upgrades_finished_cb (GObject *object,
                          GAsyncResult *res,
                          gpointer data)
@@ -307,6 +343,21 @@ get_upgrades (GsUpdateMonitor *monitor)
 }
 
 static void
+get_system (GsUpdateMonitor *monitor)
+{
+       g_autoptr(GsApp) app = NULL;
+
+       g_debug ("Getting system");
+       app = gs_plugin_loader_get_system_app (monitor->plugin_loader);
+       gs_plugin_loader_app_refine_async (monitor->plugin_loader, app,
+                                          GS_PLUGIN_REFINE_FLAGS_DEFAULT,
+                                          GS_PLUGIN_FAILURE_FLAGS_NONE,
+                                          monitor->cancellable,
+                                          get_system_finished_cb,
+                                          monitor);
+}
+
+static void
 refresh_cache_finished_cb (GObject *object,
                           GAsyncResult *res,
                           gpointer data)
@@ -434,6 +485,7 @@ check_thrice_daily_cb (gpointer data)
 
        g_debug ("Daily upgrades check");
        get_upgrades (monitor);
+       get_system (monitor);
 
        return G_SOURCE_CONTINUE;
 }