diff options
Diffstat (limited to 'gui/simple-greeter/extensions/unified/gdm-unified-extension.c')
| -rw-r--r-- | gui/simple-greeter/extensions/unified/gdm-unified-extension.c | 441 |
1 files changed, 441 insertions, 0 deletions
diff --git a/gui/simple-greeter/extensions/unified/gdm-unified-extension.c b/gui/simple-greeter/extensions/unified/gdm-unified-extension.c new file mode 100644 index 00000000..785192ca --- /dev/null +++ b/gui/simple-greeter/extensions/unified/gdm-unified-extension.c @@ -0,0 +1,441 @@ +/* + * Copyright (C) 2009 Red Hat, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + * Written By: Ray Strode <rstrode@redhat.com> + * + */ + +#include <config.h> +#include "gdm-unified-extension.h" +#include "gdm-login-extension.h" + +#include <glib/gi18n-lib.h> +#include <gio/gio.h> +#include <gtk/gtk.h> + +struct _GdmUnifiedExtensionPrivate +{ + GIcon *icon; + GtkWidget *page; + GtkActionGroup *actions; + GtkAction *login_action; + + GtkWidget *message_label; + GtkWidget *prompt_label; + GtkWidget *prompt_entry; + + GQueue *message_queue; + guint message_timeout_id; + + guint answer_pending : 1; +}; + +typedef struct { + char *text; + GdmServiceMessageType type; +} QueuedMessage; + +static void gdm_unified_extension_finalize (GObject *object); + +static void gdm_login_extension_iface_init (GdmLoginExtensionIface *iface); + +G_DEFINE_TYPE_WITH_CODE (GdmUnifiedExtension, + gdm_unified_extension, + G_TYPE_OBJECT, + G_IMPLEMENT_INTERFACE (GDM_TYPE_LOGIN_EXTENSION, + gdm_login_extension_iface_init)); + +static void +set_message (GdmUnifiedExtension *extension, + const char *message) +{ + gtk_widget_show (extension->priv->message_label); + gtk_label_set_text (GTK_LABEL (extension->priv->message_label), message); +} + +static void +free_queued_message (QueuedMessage *message) +{ + g_free (message->text); + g_slice_free (QueuedMessage, message); +} + +static void +purge_message_queue (GdmUnifiedExtension *extension) +{ + if (extension->priv->message_timeout_id) { + g_source_remove (extension->priv->message_timeout_id); + extension->priv->message_timeout_id = 0; + } + g_queue_foreach (extension->priv->message_queue, + (GFunc) free_queued_message, + NULL); + g_queue_clear (extension->priv->message_queue); +} + +static gboolean +dequeue_message (GdmUnifiedExtension *extension) +{ + if (!g_queue_is_empty (extension->priv->message_queue)) { + int duration; + gboolean needs_beep; + + QueuedMessage *message; + message = (QueuedMessage *) g_queue_pop_head (extension->priv->message_queue); + + switch (message->type) { + case GDM_SERVICE_MESSAGE_TYPE_INFO: + needs_beep = FALSE; + break; + case GDM_SERVICE_MESSAGE_TYPE_PROBLEM: + needs_beep = TRUE; + break; + default: + g_assert_not_reached (); + } + + set_message (extension, message->text); + + duration = (int) (g_utf8_strlen (message->text, -1) / 66.0) * 1000; + duration = CLAMP (duration, 400, 3000); + + extension->priv->message_timeout_id = g_timeout_add (duration, + (GSourceFunc) dequeue_message, + extension); + if (needs_beep) { + gdk_window_beep (gtk_widget_get_window (GTK_WIDGET (extension->priv->page))); + } + + free_queued_message (message); + } else { + extension->priv->message_timeout_id = 0; + + _gdm_login_extension_emit_message_queue_empty (GDM_LOGIN_EXTENSION (extension)); + } + + return FALSE; +} + +static void +gdm_unified_extension_queue_message (GdmLoginExtension *login_extension, + GdmServiceMessageType type, + const char *text) +{ + GdmUnifiedExtension *extension = GDM_UNIFIED_EXTENSION (login_extension); + + QueuedMessage *message = g_slice_new (QueuedMessage); + + message->text = g_strdup (text); + message->type = type; + + g_queue_push_tail (extension->priv->message_queue, message); + + if (extension->priv->message_timeout_id == 0) { + dequeue_message (extension); + } +} + +static void +gdm_unified_extension_ask_question (GdmLoginExtension *login_extension, + const char *message) +{ + GdmUnifiedExtension *extension = GDM_UNIFIED_EXTENSION (login_extension); + gtk_widget_show (extension->priv->prompt_label); + gtk_label_set_text (GTK_LABEL (extension->priv->prompt_label), message); + gtk_entry_set_text (GTK_ENTRY (extension->priv->prompt_entry), ""); + gtk_entry_set_visibility (GTK_ENTRY (extension->priv->prompt_entry), TRUE); + gtk_widget_show (extension->priv->prompt_entry); + gtk_widget_grab_focus (extension->priv->prompt_entry); + extension->priv->answer_pending = TRUE; + + gtk_action_set_sensitive (extension->priv->login_action, TRUE); +} + +static void +gdm_unified_extension_ask_secret (GdmLoginExtension *login_extension, + const char *message) +{ + GdmUnifiedExtension *extension = GDM_UNIFIED_EXTENSION (login_extension); + gtk_widget_show (extension->priv->prompt_label); + gtk_label_set_text (GTK_LABEL (extension->priv->prompt_label), message); + gtk_entry_set_visibility (GTK_ENTRY (extension->priv->prompt_entry), FALSE); + gtk_entry_set_text (GTK_ENTRY (extension->priv->prompt_entry), ""); + gtk_widget_show (extension->priv->prompt_entry); + gtk_widget_grab_focus (extension->priv->prompt_entry); + extension->priv->answer_pending = TRUE; + + gtk_action_set_sensitive (extension->priv->login_action, TRUE); +} + +static void +gdm_unified_extension_reset (GdmLoginExtension *login_extension) +{ + GdmUnifiedExtension *extension = GDM_UNIFIED_EXTENSION (login_extension); + gtk_widget_hide (extension->priv->prompt_label); + gtk_label_set_text (GTK_LABEL (extension->priv->prompt_label), ""); + + gtk_widget_hide (extension->priv->prompt_entry); + gtk_entry_set_text (GTK_ENTRY (extension->priv->prompt_entry), ""); + gtk_entry_set_visibility (GTK_ENTRY (extension->priv->prompt_entry), TRUE); + extension->priv->answer_pending = FALSE; + + set_message (extension, ""); + purge_message_queue (extension); + + gdm_login_extension_set_enabled (login_extension, FALSE); +} + +static void +gdm_unified_extension_set_ready (GdmLoginExtension *extension) +{ + gdm_login_extension_set_enabled (extension, TRUE); +} + +static char * +gdm_unified_extension_get_service_name (GdmLoginExtension *extension) +{ + return g_strdup (GDM_UNIFIED_EXTENSION_SERVICE_NAME); +} + +static GtkWidget * +gdm_unified_extension_get_page (GdmLoginExtension *login_extension) +{ + GdmUnifiedExtension *extension = GDM_UNIFIED_EXTENSION (login_extension); + return extension->priv->page; +} + +static GtkActionGroup * +gdm_unified_extension_get_actions (GdmLoginExtension *login_extension) +{ + GdmUnifiedExtension *extension = GDM_UNIFIED_EXTENSION (login_extension); + return g_object_ref (extension->priv->actions); +} + +static void +request_answer (GdmUnifiedExtension *extension) +{ + const char *text; + + if (!extension->priv->answer_pending) { + _gdm_login_extension_emit_answer (GDM_LOGIN_EXTENSION (extension), NULL); + return; + } + + extension->priv->answer_pending = FALSE; + text = gtk_entry_get_text (GTK_ENTRY (extension->priv->prompt_entry)); + _gdm_login_extension_emit_answer (GDM_LOGIN_EXTENSION (extension), text); + + gtk_widget_hide (extension->priv->prompt_entry); + gtk_widget_hide (extension->priv->prompt_label); + gtk_label_set_text (GTK_LABEL (extension->priv->prompt_label), ""); + gtk_entry_set_text (GTK_ENTRY (extension->priv->prompt_entry), ""); +} + +static gboolean +gdm_unified_extension_focus (GdmLoginExtension *login_extension) +{ + GdmUnifiedExtension *extension = GDM_UNIFIED_EXTENSION (login_extension); + if (!extension->priv->answer_pending) { + _gdm_login_extension_emit_answer (login_extension, NULL); + return FALSE; + } + + gtk_widget_grab_focus (extension->priv->prompt_entry); + return TRUE; +} + +static gboolean +gdm_unified_extension_has_queued_messages (GdmLoginExtension *login_extension) +{ + GdmUnifiedExtension *extension = GDM_UNIFIED_EXTENSION (login_extension); + + if (extension->priv->message_timeout_id != 0) { + return TRUE; + } + + if (!g_queue_is_empty (extension->priv->message_queue)) { + return TRUE; + } + + return FALSE; +} + +static GIcon * +gdm_unified_extension_get_icon (GdmLoginExtension *login_extension) +{ + GdmUnifiedExtension *extension = GDM_UNIFIED_EXTENSION (login_extension); + return g_object_ref (extension->priv->icon); +} + +static char * +gdm_unified_extension_get_name (GdmLoginExtension *login_extension) +{ + return g_strdup (_("Unified Authentication")); +} + +static char * +gdm_unified_extension_get_description (GdmLoginExtension *login_extension) +{ + return g_strdup (_("Log into session with username and unified")); +} + +static gboolean +gdm_unified_extension_is_choosable (GdmLoginExtension *login_extension) +{ + return FALSE; +} + +static gboolean +gdm_unified_extension_is_visible (GdmLoginExtension *login_extension) +{ + return TRUE; +} + +static void +gdm_login_extension_iface_init (GdmLoginExtensionIface *iface) +{ + iface->get_icon = gdm_unified_extension_get_icon; + iface->get_description = gdm_unified_extension_get_description; + iface->get_name = gdm_unified_extension_get_name; + iface->is_choosable = gdm_unified_extension_is_choosable; + iface->is_visible = gdm_unified_extension_is_visible; + iface->queue_message = gdm_unified_extension_queue_message; + iface->ask_question = gdm_unified_extension_ask_question; + iface->ask_secret = gdm_unified_extension_ask_secret; + iface->reset = gdm_unified_extension_reset; + iface->set_ready = gdm_unified_extension_set_ready; + iface->get_service_name = gdm_unified_extension_get_service_name; + iface->get_page = gdm_unified_extension_get_page; + iface->get_actions = gdm_unified_extension_get_actions; + iface->focus = gdm_unified_extension_focus; + iface->has_queued_messages = gdm_unified_extension_has_queued_messages; +} + +static void +gdm_unified_extension_class_init (GdmUnifiedExtensionClass *extension_class) +{ + GObjectClass *object_class; + + object_class = G_OBJECT_CLASS (extension_class); + + object_class->finalize = gdm_unified_extension_finalize; + + g_type_class_add_private (extension_class, + sizeof (GdmUnifiedExtensionPrivate)); +} + +static void +gdm_unified_extension_finalize (GObject *object) +{ + GdmUnifiedExtension *extension = GDM_UNIFIED_EXTENSION (object); + + purge_message_queue (extension); +} + +static void +on_activate_log_in (GdmUnifiedExtension *extension, + GtkAction *action) +{ + request_answer (extension); + gtk_action_set_sensitive (action, FALSE); +} + +static void +create_page (GdmUnifiedExtension *extension) +{ + GtkBuilder *builder; + GObject *object; + GError *error; + + builder = gtk_builder_new (); + + error = NULL; + gtk_builder_add_from_file (builder, + PLUGINDATADIR "/page.ui", + &error); + + if (error != NULL) { + g_warning ("Could not load UI file: %s", error->message); + g_error_free (error); + return; + } + + object = gtk_builder_get_object (builder, "page"); + g_object_ref (object); + + extension->priv->page = GTK_WIDGET (object); + + object = gtk_builder_get_object (builder, "auth-prompt-label"); + g_object_ref (object); + extension->priv->prompt_label = GTK_WIDGET (object); + gtk_widget_hide (extension->priv->prompt_label); + + object = gtk_builder_get_object (builder, "auth-prompt-entry"); + g_object_ref (object); + extension->priv->prompt_entry = GTK_WIDGET (object); + gtk_widget_hide (extension->priv->prompt_entry); + + object = gtk_builder_get_object (builder, "auth-message-label"); + g_object_ref (object); + extension->priv->message_label = GTK_WIDGET (object); + gtk_widget_show (extension->priv->message_label); + + g_object_unref (builder); +} + +static void +create_actions (GdmUnifiedExtension *extension) +{ + GtkAction *action; + + extension->priv->actions = gtk_action_group_new (GDM_UNIFIED_EXTENSION_NAME); + + action = gtk_action_new (GDM_LOGIN_EXTENSION_DEFAULT_ACTION, + _("Log In"), NULL, NULL); + g_signal_connect_swapped (action, "activate", + G_CALLBACK (on_activate_log_in), extension); + g_object_set (G_OBJECT (action), "icon-name", "go-home", NULL); + gtk_action_group_add_action (extension->priv->actions, + action); + + extension->priv->login_action = action; +} + +static void +gdm_unified_extension_init (GdmUnifiedExtension *extension) +{ + extension->priv = G_TYPE_INSTANCE_GET_PRIVATE (extension, + GDM_TYPE_UNIFIED_EXTENSION, + GdmUnifiedExtensionPrivate); + + extension->priv->icon = g_themed_icon_new ("dialog-unified"); + create_page (extension); + create_actions (extension); + + extension->priv->message_queue = g_queue_new (); + + gdm_unified_extension_reset (GDM_LOGIN_EXTENSION (extension)); +} + +void +gdm_unified_extension_load (void) +{ + g_io_extension_point_implement (GDM_LOGIN_EXTENSION_POINT_NAME, + GDM_TYPE_UNIFIED_EXTENSION, + GDM_UNIFIED_EXTENSION_NAME, + G_MAXINT); +} |