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gnome-control-center/panels/system/users/cc-users-page.c
Felipe Borges d52ec68f8d system: Add "Users" panel 
This moves the UserAccounts panel to a page in the System panel.

This simplifies a lot of the existing code in the UserAccounts panel.

I did minimal changes to the sub dialogs so that those can be touched
in following changes, making it easier to review this one alone.

The main panel widget is now CcUsersPage, and is an AdwNavigationView
widget that has a default "current_user_page" page. Each page is a
CcUserPage (careful with the one-character difference between these
two classes).

Each CcUserPage has an associated ActUser object.
2024-01-08 13:59:26 +01:00

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/*
* cc-users-page.c
*
* Copyright 2023 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 3 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/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
* Author(s):
* Felipe Borges <felipeborges@gnome.org>
*/
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "cc-users-page"
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "cc-add-user-dialog.h"
#include "cc-users-page.h"
#include "cc-list-row.h"
#include "cc-user-page.h"
#include "user-utils.h"
#include <act/act.h>
#include <config.h>
#include <errno.h>
#include <locale.h>
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <gtk/gtk.h>
#include <polkit/polkit.h>
#define USER_ACCOUNTS_PERMISSION "org.gnome.controlcenter.user-accounts.administration"
struct _CcUsersPage {
AdwNavigationPage parent_instance;
GtkButton *add_user_button;
CcUserPage *current_user_page;
AdwNavigationView *navigation;
GtkWidget *other_users_group;
GtkListBox *user_list;
GListStore *model;
GPermission *permission;
ActUserManager *user_manager;
};
G_DEFINE_TYPE (CcUsersPage, cc_users_page, ADW_TYPE_NAVIGATION_PAGE)
static void
add_user (CcUsersPage *self)
{
CcAddUserDialog *dialog = cc_add_user_dialog_new (self->permission);
gtk_window_set_transient_for (GTK_WINDOW (dialog),
GTK_WINDOW (gtk_widget_get_native (GTK_WIDGET (self))));
gtk_window_present (GTK_WINDOW (dialog));
}
static void
on_user_row_activated (CcUsersPage *self,
AdwActionRow *row)
{
CcUserPage *user_page;
ActUser *user;
uid_t uid;
uid = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (row), "uid"));
user = act_user_manager_get_user_by_id (act_user_manager_get_default (), uid);
user_page = cc_user_page_new ();
cc_user_page_set_user (user_page, user, self->permission);
adw_navigation_page_set_title (ADW_NAVIGATION_PAGE (user_page), get_real_or_user_name (user));
adw_navigation_view_push (self->navigation, ADW_NAVIGATION_PAGE (user_page));
}
static void
on_other_users_model_changed (CcUsersPage *self)
{
gtk_widget_set_visible (self->other_users_group,
g_list_model_get_n_items (G_LIST_MODEL (self->model)) > 0);
}
static GtkWidget *
create_user_row (gpointer item, gpointer user_data)
{
ActUser *user;
GtkWidget *row, *user_image;
row = adw_action_row_new ();
gtk_list_box_row_set_activatable (GTK_LIST_BOX_ROW (row), TRUE);
user = item;
g_object_set_data (G_OBJECT (row), "uid", GINT_TO_POINTER (act_user_get_uid (user)));
adw_preferences_row_set_title (ADW_PREFERENCES_ROW (row),
get_real_or_user_name (user));
user_image = adw_avatar_new (32, NULL, TRUE);
setup_avatar_for_user (ADW_AVATAR (user_image), user);
adw_action_row_add_prefix (ADW_ACTION_ROW (row), user_image);
return row;
}
static gint
sort_users (gconstpointer a, gconstpointer b, gpointer user_data)
{
ActUser *ua, *ub;
g_autofree gchar *name1 = NULL;
g_autofree gchar *name2 = NULL;
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 ()) {
return -G_MAXINT32;
} else if (act_user_get_uid (ub) == getuid ()) {
return G_MAXINT32;
}
name1 = g_utf8_collate_key (get_real_or_user_name (ua), -1);
name2 = g_utf8_collate_key (get_real_or_user_name (ub), -1);
return strcmp (name1, name2);
}
static void
on_user_changed (CcUsersPage *self,
ActUser *user)
{
CcUserPage *visible_user_page;
visible_user_page = CC_USER_PAGE (adw_navigation_view_get_visible_page (self->navigation));
cc_user_page_set_user (visible_user_page, user, self->permission);
}
static void
on_user_added (CcUsersPage *self,
ActUser *user)
{
CcUserPage *user_page;
g_list_store_insert_sorted (self->model, user, sort_users, self);
user_page = cc_user_page_new ();
cc_user_page_set_user (user_page, user, self->permission);
adw_navigation_page_set_title (ADW_NAVIGATION_PAGE (user_page), get_real_or_user_name (user));
adw_navigation_view_push (self->navigation, ADW_NAVIGATION_PAGE (user_page));
}
static void
on_user_removed (CcUsersPage *self,
ActUser *user)
{
guint position;
if (g_list_store_find (self->model, user, &position)) {
g_list_store_remove (self->model, position);
}
adw_navigation_view_pop (self->navigation);
}
static void
users_loaded (CcUsersPage *self)
{
g_autoptr(GSList) user_list = NULL;
GSList *l;
guint n_users;
user_list = act_user_manager_list_users (self->user_manager);
for (l = user_list; l; l = l->next) {
ActUser *user = ACT_USER (l->data);
if (act_user_is_system_account (user)) {
continue;
}
/* Increase the user count for all accounts except for "system" accounts, such
* as "root" or "nobody". */
n_users++;
if (act_user_get_uid (user) == getuid ()) {
cc_user_page_set_user (self->current_user_page, user, self->permission);
continue;
}
g_list_store_insert_sorted (self->model,
user,
sort_users,
self);
}
}
static void
cc_users_page_dispose (GObject *object)
{
CcUsersPage *self = CC_USERS_PAGE (object);
g_clear_object (&self->model);
g_clear_object (&self->permission);
G_OBJECT_CLASS (cc_users_page_parent_class)->dispose (object);
}
static void
cc_users_page_init (CcUsersPage *self)
{
g_autoptr(GError) error = NULL;
g_autoptr(GtkCssProvider) provider = NULL;
gboolean is_loaded = FALSE;
gtk_widget_init_template (GTK_WIDGET (self));
provider = gtk_css_provider_new ();
gtk_css_provider_load_from_resource (provider,
"/org/gnome/control-center/system/users/user-accounts-dialog.css");
gtk_style_context_add_provider_for_display (gdk_display_get_default (),
GTK_STYLE_PROVIDER (provider),
GTK_STYLE_PROVIDER_PRIORITY_APPLICATION);
self->model = g_list_store_new (ACT_TYPE_USER);
gtk_list_box_bind_model (self->user_list,
G_LIST_MODEL (self->model),
(GtkListBoxCreateWidgetFunc)create_user_row,
self,
NULL);
g_signal_connect_object (self->model,
"items-changed",
G_CALLBACK (on_other_users_model_changed),
self,
G_CONNECT_SWAPPED);
self->permission = (GPermission *)polkit_permission_new_sync (USER_ACCOUNTS_PERMISSION, NULL, NULL, &error);
if (self->permission == NULL) {
g_warning ("Cannot create '%s' permission: %s", USER_ACCOUNTS_PERMISSION, error->message);
}
g_object_bind_property (self->permission, "allowed", self->add_user_button, "sensitive", G_BINDING_SYNC_CREATE);
self->user_manager = act_user_manager_get_default ();
g_signal_connect_object (self->user_manager,
"notify::is-loaded",
G_CALLBACK (users_loaded),
self,
G_CONNECT_SWAPPED);
g_signal_connect_object (self->user_manager,
"user-added",
G_CALLBACK (on_user_added),
self,
G_CONNECT_SWAPPED);
g_signal_connect_object (self->user_manager,
"user-removed",
G_CALLBACK (on_user_removed),
self,
G_CONNECT_SWAPPED);
g_signal_connect_object (self->user_manager,
"user-changed",
G_CALLBACK (on_user_changed),
self,
G_CONNECT_SWAPPED);
g_object_get (self->user_manager, "is-loaded", &is_loaded, NULL);
if (is_loaded) {
users_loaded (self);
}
}
static void
cc_users_page_class_init (CcUsersPageClass * klass)
{
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = cc_users_page_dispose;
g_type_ensure (CC_TYPE_LIST_ROW);
g_type_ensure (CC_TYPE_USER_PAGE);
gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/control-center/system/users/cc-users-page.ui");
gtk_widget_class_bind_template_child (widget_class, CcUsersPage, add_user_button);
gtk_widget_class_bind_template_child (widget_class, CcUsersPage, current_user_page);
gtk_widget_class_bind_template_child (widget_class, CcUsersPage, navigation);
gtk_widget_class_bind_template_child (widget_class, CcUsersPage, other_users_group);
gtk_widget_class_bind_template_child (widget_class, CcUsersPage, user_list);
gtk_widget_class_bind_template_callback (widget_class, add_user);
gtk_widget_class_bind_template_callback (widget_class, on_user_row_activated);
}
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