544 lines
16 KiB
C
544 lines
16 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
|
||
*
|
||
* Copyright © 2020 Endless Mobile, 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, see <http://www.gnu.org/licenses/>.
|
||
*
|
||
* Authors:
|
||
* - Philip Withnall <withnall@endlessm.com>
|
||
*/
|
||
|
||
#include <act/act.h>
|
||
#include <gio/gio.h>
|
||
#include <glib.h>
|
||
#include <glib-object.h>
|
||
#include <glib/gi18n.h>
|
||
#include <gtk/gtk.h>
|
||
|
||
#include "carousel.h"
|
||
#include "user-image.h"
|
||
#include "user-selector.h"
|
||
|
||
|
||
static void reload_users (MctUserSelector *self,
|
||
ActUser *selected_user);
|
||
static void notify_is_loaded_cb (GObject *obj,
|
||
GParamSpec *pspec,
|
||
gpointer user_data);
|
||
static void user_added_cb (ActUserManager *user_manager,
|
||
ActUser *user,
|
||
gpointer user_data);
|
||
static void user_changed_or_removed_cb (ActUserManager *user_manager,
|
||
ActUser *user,
|
||
gpointer user_data);
|
||
static void carousel_item_activated (MctCarousel *carousel,
|
||
MctCarouselItem *item,
|
||
gpointer user_data);
|
||
|
||
|
||
/**
|
||
* MctUserSelector:
|
||
*
|
||
* The user selector is a widget which lists available user accounts and allows
|
||
* the user to select one.
|
||
*
|
||
* Since: 0.5.0
|
||
*/
|
||
struct _MctUserSelector
|
||
{
|
||
GtkBox parent_instance;
|
||
|
||
MctCarousel *carousel;
|
||
|
||
ActUserManager *user_manager; /* (owned) */
|
||
ActUser *user; /* (owned) */
|
||
gboolean show_administrators;
|
||
};
|
||
|
||
G_DEFINE_TYPE (MctUserSelector, mct_user_selector, GTK_TYPE_BOX)
|
||
|
||
typedef enum
|
||
{
|
||
PROP_USER = 1,
|
||
PROP_USER_MANAGER,
|
||
PROP_SHOW_ADMINISTRATORS,
|
||
} MctUserSelectorProperty;
|
||
|
||
static GParamSpec *properties[PROP_SHOW_ADMINISTRATORS + 1];
|
||
|
||
static void
|
||
mct_user_selector_constructed (GObject *obj)
|
||
{
|
||
MctUserSelector *self = MCT_USER_SELECTOR (obj);
|
||
|
||
g_assert (self->user_manager != NULL);
|
||
|
||
g_signal_connect (self->user_manager, "user-changed",
|
||
G_CALLBACK (user_changed_or_removed_cb), self);
|
||
g_signal_connect (self->user_manager, "user-is-logged-in-changed",
|
||
G_CALLBACK (user_changed_or_removed_cb), self);
|
||
g_signal_connect (self->user_manager, "user-added",
|
||
G_CALLBACK (user_added_cb), self);
|
||
g_signal_connect (self->user_manager, "user-removed",
|
||
G_CALLBACK (user_changed_or_removed_cb), self);
|
||
g_signal_connect (self->user_manager, "notify::is-loaded",
|
||
G_CALLBACK (notify_is_loaded_cb), self);
|
||
|
||
/* Start loading the user accounts. */
|
||
notify_is_loaded_cb (G_OBJECT (self->user_manager), NULL, self);
|
||
|
||
G_OBJECT_CLASS (mct_user_selector_parent_class)->constructed (obj);
|
||
}
|
||
|
||
static void
|
||
mct_user_selector_get_property (GObject *object,
|
||
guint prop_id,
|
||
GValue *value,
|
||
GParamSpec *pspec)
|
||
{
|
||
MctUserSelector *self = MCT_USER_SELECTOR (object);
|
||
|
||
switch ((MctUserSelectorProperty) prop_id)
|
||
{
|
||
case PROP_USER:
|
||
g_value_set_object (value, self->user);
|
||
break;
|
||
|
||
case PROP_USER_MANAGER:
|
||
g_value_set_object (value, self->user_manager);
|
||
break;
|
||
|
||
case PROP_SHOW_ADMINISTRATORS:
|
||
g_value_set_boolean (value, self->show_administrators);
|
||
break;
|
||
|
||
default:
|
||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||
}
|
||
}
|
||
|
||
static void
|
||
mct_user_selector_set_property (GObject *object,
|
||
guint prop_id,
|
||
const GValue *value,
|
||
GParamSpec *pspec)
|
||
{
|
||
MctUserSelector *self = MCT_USER_SELECTOR (object);
|
||
|
||
switch ((MctUserSelectorProperty) prop_id)
|
||
{
|
||
case PROP_USER:
|
||
/* Currently read only */
|
||
g_assert_not_reached ();
|
||
break;
|
||
|
||
case PROP_USER_MANAGER:
|
||
g_assert (self->user_manager == NULL);
|
||
self->user_manager = g_value_dup_object (value);
|
||
break;
|
||
|
||
case PROP_SHOW_ADMINISTRATORS:
|
||
self->show_administrators = g_value_get_boolean (value);
|
||
reload_users (self, NULL);
|
||
break;
|
||
|
||
default:
|
||
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
||
}
|
||
}
|
||
|
||
static void
|
||
mct_user_selector_dispose (GObject *object)
|
||
{
|
||
MctUserSelector *self = (MctUserSelector *)object;
|
||
|
||
g_clear_object (&self->user);
|
||
|
||
if (self->user_manager != NULL)
|
||
{
|
||
g_signal_handlers_disconnect_by_func (self->user_manager, notify_is_loaded_cb, self);
|
||
g_signal_handlers_disconnect_by_func (self->user_manager, user_changed_or_removed_cb, self);
|
||
g_signal_handlers_disconnect_by_func (self->user_manager, user_added_cb, self);
|
||
|
||
g_clear_object (&self->user_manager);
|
||
}
|
||
|
||
G_OBJECT_CLASS (mct_user_selector_parent_class)->dispose (object);
|
||
}
|
||
|
||
static void
|
||
mct_user_selector_class_init (MctUserSelectorClass *klass)
|
||
{
|
||
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
||
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
|
||
|
||
object_class->constructed = mct_user_selector_constructed;
|
||
object_class->get_property = mct_user_selector_get_property;
|
||
object_class->set_property = mct_user_selector_set_property;
|
||
object_class->dispose = mct_user_selector_dispose;
|
||
|
||
/**
|
||
* MctUserSelector:user: (nullable)
|
||
*
|
||
* The currently selected user account, or %NULL if no user is selected.
|
||
* Currently read only but may become writable in future.
|
||
*
|
||
* Since: 0.5.0
|
||
*/
|
||
properties[PROP_USER] =
|
||
g_param_spec_object ("user",
|
||
"User",
|
||
"The currently selected user account, or %NULL if no user is selected.",
|
||
ACT_TYPE_USER,
|
||
G_PARAM_READABLE |
|
||
G_PARAM_STATIC_STRINGS |
|
||
G_PARAM_EXPLICIT_NOTIFY);
|
||
|
||
/**
|
||
* MctUserSelector:user-manager: (not nullable)
|
||
*
|
||
* The user manager providing the data for the widget.
|
||
*
|
||
* Since: 0.5.0
|
||
*/
|
||
properties[PROP_USER_MANAGER] =
|
||
g_param_spec_object ("user-manager",
|
||
"User Manager",
|
||
"The user manager providing the data for the widget.",
|
||
ACT_TYPE_USER_MANAGER,
|
||
G_PARAM_READWRITE |
|
||
G_PARAM_CONSTRUCT_ONLY |
|
||
G_PARAM_STATIC_STRINGS |
|
||
G_PARAM_EXPLICIT_NOTIFY);
|
||
|
||
/**
|
||
* MctUserSelector:show-administrators:
|
||
*
|
||
* Whether to show administrators in the list, or hide them.
|
||
*
|
||
* Since: 0.5.0
|
||
*/
|
||
properties[PROP_SHOW_ADMINISTRATORS] =
|
||
g_param_spec_boolean ("show-administrators",
|
||
"Show Administrators?",
|
||
"Whether to show administrators in the list, or hide them.",
|
||
TRUE,
|
||
G_PARAM_READWRITE |
|
||
G_PARAM_STATIC_STRINGS);
|
||
|
||
g_object_class_install_properties (object_class, G_N_ELEMENTS (properties), properties);
|
||
|
||
gtk_widget_class_set_template_from_resource (widget_class, "/org/freedesktop/MalcontentControl/ui/user-selector.ui");
|
||
|
||
gtk_widget_class_bind_template_child (widget_class, MctUserSelector, carousel);
|
||
|
||
gtk_widget_class_bind_template_callback (widget_class, carousel_item_activated);
|
||
}
|
||
|
||
static void
|
||
mct_user_selector_init (MctUserSelector *self)
|
||
{
|
||
self->show_administrators = TRUE;
|
||
|
||
/* Ensure the types used in the UI are registered. */
|
||
g_type_ensure (MCT_TYPE_CAROUSEL);
|
||
|
||
gtk_widget_init_template (GTK_WIDGET (self));
|
||
}
|
||
|
||
static void
|
||
notify_is_loaded_cb (GObject *obj,
|
||
GParamSpec *pspec,
|
||
gpointer user_data)
|
||
{
|
||
MctUserSelector *self = MCT_USER_SELECTOR (user_data);
|
||
gboolean is_loaded;
|
||
|
||
/* The implementation of #ActUserManager guarantees that once is-loaded is
|
||
* true, it is never reset to false. */
|
||
g_object_get (self->user_manager, "is-loaded", &is_loaded, NULL);
|
||
if (is_loaded)
|
||
reload_users (self, NULL);
|
||
}
|
||
|
||
static const gchar *
|
||
get_real_or_user_name (ActUser *user)
|
||
{
|
||
const gchar *name;
|
||
|
||
name = act_user_get_real_name (user);
|
||
if (name == NULL)
|
||
name = act_user_get_user_name (user);
|
||
|
||
return name;
|
||
}
|
||
|
||
static void
|
||
carousel_item_activated (MctCarousel *carousel,
|
||
MctCarouselItem *item,
|
||
gpointer user_data)
|
||
{
|
||
MctUserSelector *self = MCT_USER_SELECTOR (user_data);
|
||
uid_t uid;
|
||
ActUser *user = NULL;
|
||
|
||
g_clear_object (&self->user);
|
||
|
||
uid = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (item), "uid"));
|
||
user = act_user_manager_get_user_by_id (self->user_manager, uid);
|
||
|
||
if (g_set_object (&self->user, user))
|
||
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_USER]);
|
||
}
|
||
|
||
static gint
|
||
sort_users (gconstpointer a,
|
||
gconstpointer b)
|
||
{
|
||
ActUser *ua, *ub;
|
||
gint result;
|
||
|
||
ua = ACT_USER ((gpointer) a);
|
||
ub = ACT_USER ((gpointer) b);
|
||
|
||
/* Make sure the current user is shown first */
|
||
if (act_user_get_uid (ua) == getuid ())
|
||
{
|
||
result = G_MININT32;
|
||
}
|
||
else if (act_user_get_uid (ub) == getuid ())
|
||
{
|
||
result = G_MAXINT32;
|
||
}
|
||
else
|
||
{
|
||
g_autofree gchar *name1 = NULL, *name2 = NULL;
|
||
|
||
name1 = g_utf8_collate_key (get_real_or_user_name (ua), -1);
|
||
name2 = g_utf8_collate_key (get_real_or_user_name (ub), -1);
|
||
|
||
result = strcmp (name1, name2);
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
static gint
|
||
user_compare (gconstpointer i,
|
||
gconstpointer u)
|
||
{
|
||
MctCarouselItem *item;
|
||
ActUser *user;
|
||
gint uid_a, uid_b;
|
||
gint result;
|
||
|
||
item = (MctCarouselItem *) i;
|
||
user = ACT_USER ((gpointer) u);
|
||
|
||
uid_a = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (item), "uid"));
|
||
uid_b = act_user_get_uid (user);
|
||
|
||
result = uid_a - uid_b;
|
||
|
||
return result;
|
||
}
|
||
|
||
static void
|
||
reload_users (MctUserSelector *self,
|
||
ActUser *selected_user)
|
||
{
|
||
ActUser *user;
|
||
g_autoptr(GSList) list = NULL;
|
||
GSList *l;
|
||
MctCarouselItem *item = NULL;
|
||
GtkSettings *settings;
|
||
gboolean animations;
|
||
|
||
settings = gtk_widget_get_settings (GTK_WIDGET (self->carousel));
|
||
|
||
g_object_get (settings, "gtk-enable-animations", &animations, NULL);
|
||
g_object_set (settings, "gtk-enable-animations", FALSE, NULL);
|
||
|
||
list = act_user_manager_list_users (self->user_manager);
|
||
g_debug ("Got %u users", g_slist_length (list));
|
||
|
||
mct_carousel_purge_items (self->carousel);
|
||
|
||
list = g_slist_sort (list, (GCompareFunc) sort_users);
|
||
for (l = list; l; l = l->next)
|
||
{
|
||
user = l->data;
|
||
|
||
if (act_user_get_account_type (user) == ACT_USER_ACCOUNT_TYPE_ADMINISTRATOR &&
|
||
!self->show_administrators)
|
||
{
|
||
g_debug ("Ignoring administrator %s", get_real_or_user_name (user));
|
||
continue;
|
||
}
|
||
|
||
g_debug ("Adding user %s", get_real_or_user_name (user));
|
||
user_added_cb (self->user_manager, user, self);
|
||
}
|
||
|
||
if (selected_user)
|
||
item = mct_carousel_find_item (self->carousel, selected_user, user_compare);
|
||
mct_carousel_select_item (self->carousel, item);
|
||
|
||
g_object_set (settings, "gtk-enable-animations", animations, NULL);
|
||
|
||
mct_carousel_set_revealed (self->carousel, TRUE);
|
||
}
|
||
|
||
static GtkWidget *
|
||
create_carousel_entry (MctUserSelector *self,
|
||
ActUser *user)
|
||
{
|
||
GtkWidget *box, *widget;
|
||
gchar *label;
|
||
|
||
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
|
||
|
||
widget = mct_user_image_new ();
|
||
mct_user_image_set_user (MCT_USER_IMAGE (widget), user);
|
||
gtk_box_append (GTK_BOX (box), widget);
|
||
|
||
label = g_strdup_printf ("<b>%s</b>",
|
||
get_real_or_user_name (user));
|
||
widget = gtk_label_new (label);
|
||
gtk_label_set_use_markup (GTK_LABEL (widget), TRUE);
|
||
gtk_label_set_ellipsize (GTK_LABEL (widget), PANGO_ELLIPSIZE_END);
|
||
gtk_widget_set_margin_top (widget, 5);
|
||
gtk_box_append (GTK_BOX (box), widget);
|
||
g_free (label);
|
||
|
||
if (act_user_get_uid (user) == getuid ())
|
||
label = g_strdup_printf ("<small>%s</small>", _("Your account"));
|
||
else
|
||
label = g_strdup (" ");
|
||
|
||
widget = gtk_label_new (label);
|
||
gtk_label_set_use_markup (GTK_LABEL (widget), TRUE);
|
||
g_free (label);
|
||
|
||
gtk_box_append (GTK_BOX (box), widget);
|
||
gtk_style_context_add_class (gtk_widget_get_style_context (widget),
|
||
"dim-label");
|
||
|
||
return box;
|
||
}
|
||
|
||
static void
|
||
user_added_cb (ActUserManager *user_manager,
|
||
ActUser *user,
|
||
gpointer user_data)
|
||
{
|
||
MctUserSelector *self = MCT_USER_SELECTOR (user_data);
|
||
GtkWidget *item, *widget;
|
||
|
||
if (act_user_is_system_account (user) ||
|
||
(act_user_get_account_type (user) == ACT_USER_ACCOUNT_TYPE_ADMINISTRATOR &&
|
||
!self->show_administrators))
|
||
return;
|
||
|
||
g_debug ("User added: %u %s", (guint) act_user_get_uid (user), get_real_or_user_name (user));
|
||
|
||
widget = create_carousel_entry (self, user);
|
||
item = mct_carousel_item_new ();
|
||
mct_carousel_item_set_child (MCT_CAROUSEL_ITEM (item), widget);
|
||
|
||
g_object_set_data (G_OBJECT (item), "uid", GINT_TO_POINTER (act_user_get_uid (user)));
|
||
mct_carousel_add (self->carousel, MCT_CAROUSEL_ITEM (item));
|
||
}
|
||
|
||
static void
|
||
user_changed_or_removed_cb (ActUserManager *user_manager,
|
||
ActUser *user,
|
||
gpointer user_data)
|
||
{
|
||
MctUserSelector *self = MCT_USER_SELECTOR (user_data);
|
||
|
||
reload_users (self, self->user);
|
||
}
|
||
|
||
/**
|
||
* mct_user_selector_new:
|
||
* @user_manager: (transfer none): an #ActUserManager to provide the user data
|
||
*
|
||
* Create a new #MctUserSelector widget.
|
||
*
|
||
* Returns: (transfer full): a new user selector
|
||
* Since: 0.5.0
|
||
*/
|
||
MctUserSelector *
|
||
mct_user_selector_new (ActUserManager *user_manager)
|
||
{
|
||
g_return_val_if_fail (ACT_IS_USER_MANAGER (user_manager), NULL);
|
||
|
||
return g_object_new (MCT_TYPE_USER_SELECTOR,
|
||
"user-manager", user_manager,
|
||
NULL);
|
||
}
|
||
|
||
/**
|
||
* mct_user_selector_get_user:
|
||
* @self: an #MctUserSelector
|
||
*
|
||
* Get the currently selected user, or %NULL if no user is selected.
|
||
*
|
||
* Returns: (transfer none) (nullable): the currently selected user
|
||
* Since: 0.5.0
|
||
*/
|
||
ActUser *
|
||
mct_user_selector_get_user (MctUserSelector *self)
|
||
{
|
||
g_return_val_if_fail (MCT_IS_USER_SELECTOR (self), NULL);
|
||
|
||
return self->user;
|
||
}
|
||
|
||
/**
|
||
* mct_user_selector_select_user_by_username:
|
||
* @self: an #MctUserSelector
|
||
* @username: username of the user to select
|
||
*
|
||
* Selects the given @username in the widget. This might fail if @username isn’t
|
||
* a valid user, or if they aren’t listed in the selector due to being an
|
||
* administrator (see #MctUserSelector:show-administrators).
|
||
*
|
||
* Returns: %TRUE if the user was successfully selected, %FALSE otherwise
|
||
* Since: 0.10.0
|
||
*/
|
||
gboolean
|
||
mct_user_selector_select_user_by_username (MctUserSelector *self,
|
||
const gchar *username)
|
||
{
|
||
MctCarouselItem *item = NULL;
|
||
ActUser *user = NULL;
|
||
|
||
g_return_val_if_fail (MCT_IS_USER_SELECTOR (self), FALSE);
|
||
g_return_val_if_fail (username != NULL && *username != '\0', FALSE);
|
||
|
||
user = act_user_manager_get_user (self->user_manager, username);
|
||
if (user == NULL)
|
||
return FALSE;
|
||
|
||
item = mct_carousel_find_item (self->carousel, user, user_compare);
|
||
if (item == NULL)
|
||
return FALSE;
|
||
|
||
mct_carousel_select_item (self->carousel, item);
|
||
|
||
return TRUE;
|
||
}
|