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[virt-tools-list] [PATCH virt-viewer] kiosk: add --kiosk-quit option



In kiosk mode, it's useful to keep the app alive, even if the remote
session ended for example. Ie, we want to prevent the app from quiting
itself, even if the remote end closed, lost network, or crashed etc.
---
 man/remote-viewer.pod |  7 +++++++
 man/virt-viewer.pod   |  8 ++++++++
 src/virt-viewer-app.c | 44 +++++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 58 insertions(+), 1 deletion(-)

diff --git a/man/remote-viewer.pod b/man/remote-viewer.pod
index 10fda2c..079def0 100644
--- a/man/remote-viewer.pod
+++ b/man/remote-viewer.pod
@@ -90,6 +90,13 @@ to lock down the OS. In particular, you must configure or disable the
 window manager, limit the session capabilities, use some
 restart/watchdog mechanism, disable VT switching etc.
 
+=item --kiosk-quit <never|on-disconnect>
+
+By default, when kiosk mode is enabled, virt-viewer will remain open
+when the connection to the remote server is terminated. By setting
+kiosk-quit option to "on-disconnect" value, virt-viewer will quit
+instead.
+
 =back
 
 =head1 HOTKEY
diff --git a/man/virt-viewer.pod b/man/virt-viewer.pod
index 9d0597a..fdaa631 100644
--- a/man/virt-viewer.pod
+++ b/man/virt-viewer.pod
@@ -99,6 +99,14 @@ to lock down the OS. In particular, you must configure or disable the
 window manager, limit the session capabilities, use some
 restart/watchdog mechanism, disable VT switching etc.
 
+=item --kiosk-quit <never|on-disconnect>
+
+By default, when kiosk mode is enabled, virt-viewer will remain open
+when the connection to the remote server is terminated. By setting
+kiosk-quit option to "on-disconnect" value, virt-viewer will quit
+instead. Please note that --reconnect takes precedence over this
+option, and will attempt to do a reconnection before it quits.
+
 =back
 
 =head1 EXAMPLES
diff --git a/src/virt-viewer-app.c b/src/virt-viewer-app.c
index ff387e9..4021148 100644
--- a/src/virt-viewer-app.c
+++ b/src/virt-viewer-app.c
@@ -148,6 +148,7 @@ struct _VirtViewerAppPrivate {
     GdkModifierType insert_smartcard_accel_mods;
     guint remove_smartcard_accel_key;
     GdkModifierType remove_smartcard_accel_mods;
+    gboolean quit_on_disconnect;
 };
 
 
@@ -167,6 +168,7 @@ enum {
     PROP_HAS_FOCUS,
     PROP_FULLSCREEN_AUTO_CONF,
     PROP_KIOSK,
+    PROP_QUIT_ON_DISCONNECT,
 };
 
 enum {
@@ -1130,7 +1132,8 @@ virt_viewer_app_default_deactivated(VirtViewerApp *self, gboolean connect_error)
                               priv->guest_name);
     }
 
-    gtk_main_quit();
+    if (self->priv->quit_on_disconnect)
+        gtk_main_quit();
 }
 
 static void
@@ -1339,6 +1342,10 @@ virt_viewer_app_get_property (GObject *object, guint property_id,
         g_value_set_boolean(value, priv->kiosk);
         break;
 
+    case PROP_QUIT_ON_DISCONNECT:
+        g_value_set_boolean(value, priv->quit_on_disconnect);
+        break;
+
     default:
         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
     }
@@ -1388,6 +1395,10 @@ virt_viewer_app_set_property (GObject *object, guint property_id,
         virt_viewer_app_set_kiosk(self, g_value_get_boolean(value));
         break;
 
+    case PROP_QUIT_ON_DISCONNECT:
+        priv->quit_on_disconnect = g_value_get_boolean(value);
+        break;
+
     default:
         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
     }
@@ -1456,6 +1467,7 @@ static gboolean opt_debug = FALSE;
 static gboolean opt_fullscreen = FALSE;
 static gboolean opt_fullscreen_auto_conf = FALSE;
 static gboolean opt_kiosk = FALSE;
+static gboolean opt_kiosk_quit = FALSE;
 
 static void
 virt_viewer_app_init (VirtViewerApp *self)
@@ -1485,6 +1497,7 @@ virt_viewer_app_init (VirtViewerApp *self)
 
     self->priv->verbose = opt_verbose;
     self->priv->fullscreen_auto_conf = opt_fullscreen_auto_conf;
+    self->priv->quit_on_disconnect = opt_kiosk ? opt_kiosk_quit : TRUE;
 }
 
 static void
@@ -1682,6 +1695,15 @@ virt_viewer_app_class_init (VirtViewerAppClass *klass)
                                                          G_PARAM_READWRITE |
                                                          G_PARAM_STATIC_STRINGS));
 
+    g_object_class_install_property(object_class,
+                                    PROP_QUIT_ON_DISCONNECT,
+                                    g_param_spec_boolean("quit-on-disconnect",
+                                                         "Quit on disconnect",
+                                                         "Quit on disconnect",
+                                                         TRUE,
+                                                         G_PARAM_READWRITE |
+                                                         G_PARAM_STATIC_STRINGS));
+
     signals[SIGNAL_WINDOW_ADDED] =
         g_signal_new("window-added",
                      G_OBJECT_CLASS_TYPE(object_class),
@@ -2149,6 +2171,24 @@ option_fullscreen(G_GNUC_UNUSED const gchar *option_name,
     return FALSE;
 }
 
+static gboolean
+option_kiosk_quit(G_GNUC_UNUSED const gchar *option_name,
+                  const gchar *value,
+                  G_GNUC_UNUSED gpointer data, GError **error)
+{
+    if (g_str_equal(value, "never")) {
+        opt_kiosk_quit = FALSE;
+        return TRUE;
+    }
+    if (g_str_equal(value, "on-disconnect")) {
+        opt_kiosk_quit = TRUE;
+        return TRUE;
+    }
+
+    g_set_error(error, G_OPTION_ERROR, G_OPTION_ERROR_FAILED, _("Invalid kiosk-quit argument: %s"), value);
+    return FALSE;
+}
+
 const GOptionEntry *
 virt_viewer_app_get_options(void)
 {
@@ -2161,6 +2201,8 @@ virt_viewer_app_get_options(void)
           N_("Customise hotkeys"), NULL },
         { "kiosk", 'k', 0, G_OPTION_ARG_NONE, &opt_kiosk,
           N_("Enable kiosk mode"), NULL },
+        { "kiosk-quit", '\0', 0, G_OPTION_ARG_CALLBACK, option_kiosk_quit,
+          N_("Quit on given condition in kiosk mode"), N_("<never|on-disconnect>") },
         { "verbose", 'v', 0, G_OPTION_ARG_NONE, &opt_verbose,
           N_("Display verbose information"), NULL },
         { "debug", '\0', 0, G_OPTION_ARG_NONE, &opt_debug,
-- 
1.8.3.rc1.49.g8d97506


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