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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
*
* Copyright (C) 2007 William Jon McCann <mccann@jhu.edu>
* Copyright (C) 2007 Ray Strode <rstrode@redhat.com>
*
* 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.
*
*/
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <dirent.h>
#include <sys/stat.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include "gdm-user-manager.h"
#include "gdm-user-chooser-widget.h"
enum {
USER_NO_DISPLAY = 1 << 0,
USER_ACCOUNT_DISABLED = 1 << 1,
};
#define DEFAULT_USER_ICON "stock_person"
#define GDM_USER_CHOOSER_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_USER_CHOOSER_WIDGET, GdmUserChooserWidgetPrivate))
#define ICON_SIZE 64
struct GdmUserChooserWidgetPrivate
{
GdmUserManager *manager;
GtkIconTheme *icon_theme;
GdkPixbuf *logged_in_pixbuf;
GdkPixbuf *stock_person_pixbuf;
guint show_other_user : 1;
guint show_guest_user : 1;
guint show_auto_user : 1;
};
enum {
PROP_0,
};
static void gdm_user_chooser_widget_class_init (GdmUserChooserWidgetClass *klass);
static void gdm_user_chooser_widget_init (GdmUserChooserWidget *user_chooser_widget);
static void gdm_user_chooser_widget_finalize (GObject *object);
G_DEFINE_TYPE (GdmUserChooserWidget, gdm_user_chooser_widget, GDM_TYPE_CHOOSER_WIDGET)
static void
add_user_other (GdmUserChooserWidget *widget)
{
gdm_chooser_widget_add_item (GDM_CHOOSER_WIDGET (widget),
GDM_USER_CHOOSER_USER_OTHER,
NULL,
_("Other..."),
_("Choose a different account"),
0,
FALSE,
TRUE);
}
static void
add_user_guest (GdmUserChooserWidget *widget)
{
gdm_chooser_widget_add_item (GDM_CHOOSER_WIDGET (widget),
GDM_USER_CHOOSER_USER_GUEST,
widget->priv->stock_person_pixbuf,
_("Guest"),
_("Login as a temporary guest"),
0,
FALSE,
TRUE);
}
static void
add_user_auto (GdmUserChooserWidget *widget)
{
gdm_chooser_widget_add_item (GDM_CHOOSER_WIDGET (widget),
GDM_USER_CHOOSER_USER_AUTO,
NULL,
_("Automatic Login"),
_("Automatically login to the system after selecting options"),
0,
FALSE,
TRUE);
}
static void
remove_user_other (GdmUserChooserWidget *widget)
{
gdm_chooser_widget_remove_item (GDM_CHOOSER_WIDGET (widget),
GDM_USER_CHOOSER_USER_OTHER);
}
static void
remove_user_guest (GdmUserChooserWidget *widget)
{
gdm_chooser_widget_remove_item (GDM_CHOOSER_WIDGET (widget),
GDM_USER_CHOOSER_USER_GUEST);
}
static void
remove_user_auto (GdmUserChooserWidget *widget)
{
gdm_chooser_widget_remove_item (GDM_CHOOSER_WIDGET (widget),
GDM_USER_CHOOSER_USER_AUTO);
}
void
gdm_user_chooser_widget_set_show_other_user (GdmUserChooserWidget *widget,
gboolean show_user)
{
g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget));
if (widget->priv->show_other_user != show_user) {
widget->priv->show_other_user = show_user;
if (show_user) {
add_user_other (widget);
} else {
remove_user_other (widget);
}
}
}
void
gdm_user_chooser_widget_set_show_guest_user (GdmUserChooserWidget *widget,
gboolean show_user)
{
g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget));
if (widget->priv->show_guest_user != show_user) {
widget->priv->show_guest_user = show_user;
if (show_user) {
add_user_guest (widget);
} else {
remove_user_guest (widget);
}
}
}
void
gdm_user_chooser_widget_set_show_auto_user (GdmUserChooserWidget *widget,
gboolean show_user)
{
g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget));
if (widget->priv->show_auto_user != show_user) {
widget->priv->show_auto_user = show_user;
if (show_user) {
add_user_auto (widget);
} else {
remove_user_auto (widget);
}
}
}
char *
gdm_user_chooser_widget_get_chosen_user_name (GdmUserChooserWidget *widget)
{
g_return_val_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget), NULL);
return gdm_chooser_widget_get_active_item (GDM_CHOOSER_WIDGET (widget));
}
void
gdm_user_chooser_widget_set_chosen_user_name (GdmUserChooserWidget *widget,
const char *name)
{
g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget));
gdm_chooser_widget_set_active_item (GDM_CHOOSER_WIDGET (widget), name);
}
void
gdm_user_chooser_widget_set_show_only_chosen (GdmUserChooserWidget *widget,
gboolean show_only) {
g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (widget));
gdm_chooser_widget_set_hide_inactive_items (GDM_CHOOSER_WIDGET (widget),
show_only);
}
static void
gdm_user_chooser_widget_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gdm_user_chooser_widget_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static GObject *
gdm_user_chooser_widget_constructor (GType type,
guint n_construct_properties,
GObjectConstructParam *construct_properties)
{
GdmUserChooserWidget *user_chooser_widget;
user_chooser_widget = GDM_USER_CHOOSER_WIDGET (G_OBJECT_CLASS (gdm_user_chooser_widget_parent_class)->constructor (type,
n_construct_properties,
construct_properties));
/* FIXME: make these construct properties */
gdm_user_chooser_widget_set_show_guest_user (user_chooser_widget, FALSE);
gdm_user_chooser_widget_set_show_auto_user (user_chooser_widget, FALSE);
gdm_user_chooser_widget_set_show_other_user (user_chooser_widget, TRUE);
return G_OBJECT (user_chooser_widget);
}
static void
gdm_user_chooser_widget_dispose (GObject *object)
{
GdmUserChooserWidget *widget;
widget = GDM_USER_CHOOSER_WIDGET (object);
G_OBJECT_CLASS (gdm_user_chooser_widget_parent_class)->dispose (object);
if (widget->priv->logged_in_pixbuf != NULL) {
g_object_unref (widget->priv->logged_in_pixbuf);
widget->priv->logged_in_pixbuf = NULL;
}
if (widget->priv->stock_person_pixbuf != NULL) {
g_object_unref (widget->priv->stock_person_pixbuf);
widget->priv->stock_person_pixbuf = NULL;
}
}
static void
gdm_user_chooser_widget_class_init (GdmUserChooserWidgetClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->get_property = gdm_user_chooser_widget_get_property;
object_class->set_property = gdm_user_chooser_widget_set_property;
object_class->constructor = gdm_user_chooser_widget_constructor;
object_class->dispose = gdm_user_chooser_widget_dispose;
object_class->finalize = gdm_user_chooser_widget_finalize;
g_type_class_add_private (klass, sizeof (GdmUserChooserWidgetPrivate));
}
static GdkPixbuf *
get_stock_person_pixbuf (GdmUserChooserWidget *widget)
{
GdkPixbuf *pixbuf;
pixbuf = gtk_icon_theme_load_icon (widget->priv->icon_theme,
DEFAULT_USER_ICON,
ICON_SIZE,
0,
NULL);
return pixbuf;
}
static GdkPixbuf *
get_logged_in_pixbuf (GdmUserChooserWidget *widget)
{
GdkPixbuf *pixbuf;
pixbuf = gtk_icon_theme_load_icon (widget->priv->icon_theme,
"emblem-default",
ICON_SIZE / 3,
0,
NULL);
return pixbuf;
}
typedef struct {
GdkPixbuf *old_icon;
GdkPixbuf *new_icon;
} IconUpdateData;
static gboolean
update_icons (GdmChooserWidget *widget,
const char *id,
GdkPixbuf **image,
char **name,
char **comment,
gulong *priority,
gboolean *is_in_use,
gboolean *is_separate,
IconUpdateData *data)
{
if (data->old_icon == *image) {
*image = data->new_icon;
return TRUE;
}
return FALSE;
}
static void
load_icons (GdmUserChooserWidget *widget)
{
GdkPixbuf *old_pixbuf;
IconUpdateData data;
if (widget->priv->logged_in_pixbuf != NULL) {
g_object_unref (widget->priv->logged_in_pixbuf);
}
widget->priv->logged_in_pixbuf = get_logged_in_pixbuf (widget);
old_pixbuf = widget->priv->stock_person_pixbuf;
widget->priv->stock_person_pixbuf = get_stock_person_pixbuf (widget);
/* update the icons in the model */
data.old_icon = old_pixbuf;
data.new_icon = widget->priv->stock_person_pixbuf;
gdm_chooser_widget_update_foreach_item (GDM_CHOOSER_WIDGET (widget),
(GdmChooserUpdateForeachFunc)update_icons,
&data);
if (old_pixbuf != NULL) {
g_object_unref (old_pixbuf);
}
}
static void
on_icon_theme_changed (GtkIconTheme *icon_theme,
GdmUserChooserWidget *widget)
{
g_debug ("GdmUserChooserWidget: icon theme changed");
load_icons (widget);
}
static void
setup_icons (GdmUserChooserWidget *widget)
{
if (gtk_widget_has_screen (GTK_WIDGET (widget))) {
widget->priv->icon_theme = gtk_icon_theme_get_for_screen (gtk_widget_get_screen (GTK_WIDGET (widget)));
} else {
widget->priv->icon_theme = gtk_icon_theme_get_default ();
}
if (widget->priv->icon_theme != NULL) {
g_signal_connect (widget->priv->icon_theme,
"changed",
G_CALLBACK (on_icon_theme_changed),
widget);
}
load_icons (widget);
}
static void
on_users_loaded (GdmUserManager *manager,
GdmUserChooserWidget *widget)
{
gdm_chooser_widget_activate_on_one_item (GDM_CHOOSER_WIDGET (widget),
TRUE);
}
static void
on_user_added (GdmUserManager *manager,
GdmUser *user,
GdmUserChooserWidget *widget)
{
GdkPixbuf *pixbuf;
char *tooltip;
gboolean is_logged_in;
pixbuf = gdm_user_render_icon (user, ICON_SIZE);
if (pixbuf == NULL && widget->priv->stock_person_pixbuf != NULL) {
pixbuf = g_object_ref (widget->priv->stock_person_pixbuf);
}
tooltip = g_strdup_printf (_("Log in as %s"),
gdm_user_get_user_name (user));
is_logged_in = gdm_user_get_num_sessions (user) > 0;
g_debug ("GdmUserChooserWidget: User added name:%s logged-in:%d pixbuf:%p",
gdm_user_get_user_name (user),
is_logged_in,
pixbuf);
gdm_chooser_widget_add_item (GDM_CHOOSER_WIDGET (widget),
gdm_user_get_user_name (user),
pixbuf,
gdm_user_get_real_name (user),
tooltip,
gdm_user_get_login_frequency (user),
is_logged_in,
FALSE);
g_free (tooltip);
if (pixbuf != NULL) {
g_object_unref (pixbuf);
}
}
static void
on_user_removed (GdmUserManager *manager,
GdmUser *user,
GdmUserChooserWidget *widget)
{
const char *user_name;
g_debug ("GdmUserChooserWidget: User removed: %s", gdm_user_get_user_name (user));
user_name = gdm_user_get_user_name (user);
gdm_chooser_widget_remove_item (GDM_CHOOSER_WIDGET (widget),
user_name);
}
static void
on_user_is_logged_in_changed (GdmUserManager *manager,
GdmUser *user,
GdmUserChooserWidget *widget)
{
const char *user_name;
gboolean is_logged_in;
g_debug ("GdmUserChooserWidget: User logged in changed: %s", gdm_user_get_user_name (user));
user_name = gdm_user_get_user_name (user);
is_logged_in = gdm_user_get_num_sessions (user) > 0;
gdm_chooser_widget_set_item_in_use (GDM_CHOOSER_WIDGET (widget),
user_name,
is_logged_in);
}
static void
on_user_login_frequency_changed (GdmUserManager *manager,
GdmUser *user,
GdmUserChooserWidget *widget)
{
const char *user_name;
gulong freq;
g_debug ("GdmUserChooserWidget: User login frequency changed: %s", gdm_user_get_user_name (user));
user_name = gdm_user_get_user_name (user);
freq = gdm_user_get_login_frequency (user);
gdm_chooser_widget_set_item_priority (GDM_CHOOSER_WIDGET (widget),
user_name,
freq);
}
static void
gdm_user_chooser_widget_init (GdmUserChooserWidget *widget)
{
widget->priv = GDM_USER_CHOOSER_WIDGET_GET_PRIVATE (widget);
gdm_chooser_widget_set_separator_position (GDM_CHOOSER_WIDGET (widget),
GDM_CHOOSER_WIDGET_POSITION_BOTTOM);
gdm_chooser_widget_set_in_use_message (GDM_CHOOSER_WIDGET (widget),
_("Currently logged in"));
widget->priv->manager = gdm_user_manager_ref_default ();
g_signal_connect (widget->priv->manager,
"users-loaded",
G_CALLBACK (on_users_loaded),
widget);
g_signal_connect (widget->priv->manager,
"user-added",
G_CALLBACK (on_user_added),
widget);
g_signal_connect (widget->priv->manager,
"user-removed",
G_CALLBACK (on_user_removed),
widget);
g_signal_connect (widget->priv->manager,
"user-is-logged-in-changed",
G_CALLBACK (on_user_is_logged_in_changed),
widget);
g_signal_connect (widget->priv->manager,
"user-login-frequency-changed",
G_CALLBACK (on_user_login_frequency_changed),
widget);
setup_icons (widget);
}
static void
gdm_user_chooser_widget_finalize (GObject *object)
{
GdmUserChooserWidget *widget;
g_return_if_fail (object != NULL);
g_return_if_fail (GDM_IS_USER_CHOOSER_WIDGET (object));
widget = GDM_USER_CHOOSER_WIDGET (object);
g_return_if_fail (widget->priv != NULL);
G_OBJECT_CLASS (gdm_user_chooser_widget_parent_class)->finalize (object);
}
GtkWidget *
gdm_user_chooser_widget_new (void)
{
GObject *object;
object = g_object_new (GDM_TYPE_USER_CHOOSER_WIDGET,
NULL);
return GTK_WIDGET (object);
}
|
