LCOV - code coverage report
Current view: top level - malcontent-control - application.c (source / functions) Hit Total Coverage
Test: unnamed Lines: 0 192 0.0 %
Date: 2022-07-24 19:50:38 Functions: 0 22 0.0 %
Branches: 0 68 0.0 %

           Branch data     Line data    Source code
       1                 :            : /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
       2                 :            :  *
       3                 :            :  * Copyright © 2019 Endless Mobile, Inc.
       4                 :            :  *
       5                 :            :  * This program is free software; you can redistribute it and/or modify
       6                 :            :  * it under the terms of the GNU General Public License as published by
       7                 :            :  * the Free Software Foundation; either version 2 of the License, or
       8                 :            :  * (at your option) any later version.
       9                 :            :  *
      10                 :            :  * This program is distributed in the hope that it will be useful,
      11                 :            :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      12                 :            :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13                 :            :  * GNU General Public License for more details.
      14                 :            :  *
      15                 :            :  * You should have received a copy of the GNU General Public License
      16                 :            :  * along with this program; if not, see <http://www.gnu.org/licenses/>.
      17                 :            :  *
      18                 :            :  * Authors:
      19                 :            :  *  - Philip Withnall <withnall@endlessm.com>
      20                 :            :  */
      21                 :            : 
      22                 :            : #include "config.h"
      23                 :            : 
      24                 :            : #include <act/act.h>
      25                 :            : #include <glib.h>
      26                 :            : #include <glib-object.h>
      27                 :            : #include <glib/gi18n-lib.h>
      28                 :            : #include <gio/gio.h>
      29                 :            : #include <gtk/gtk.h>
      30                 :            : #include <adwaita.h>
      31                 :            : #include <libmalcontent-ui/malcontent-ui.h>
      32                 :            : #include <polkit/polkit.h>
      33                 :            : 
      34                 :            : #include "application.h"
      35                 :            : #include "user-selector.h"
      36                 :            : 
      37                 :            : 
      38                 :            : static void user_selector_notify_user_cb (GObject    *obj,
      39                 :            :                                           GParamSpec *pspec,
      40                 :            :                                           gpointer    user_data);
      41                 :            : static void user_manager_notify_is_loaded_cb (GObject    *obj,
      42                 :            :                                               GParamSpec *pspec,
      43                 :            :                                               gpointer    user_data);
      44                 :            : static void permission_new_cb (GObject      *source_object,
      45                 :            :                                GAsyncResult *result,
      46                 :            :                                gpointer      user_data);
      47                 :            : static void permission_notify_allowed_cb (GObject    *obj,
      48                 :            :                                           GParamSpec *pspec,
      49                 :            :                                           gpointer    user_data);
      50                 :            : static void user_accounts_panel_button_clicked_cb (GtkButton *button,
      51                 :            :                                                    gpointer   user_data);
      52                 :            : static void about_action_cb (GSimpleAction *action, GVariant *parameters, gpointer user_data);
      53                 :            : static void help_action_cb (GSimpleAction *action, GVariant *parameters, gpointer user_data);
      54                 :            : static void quit_action_cb (GSimpleAction *action, GVariant *parameters, gpointer user_data);
      55                 :            : 
      56                 :            : 
      57                 :            : /**
      58                 :            :  * MctApplication:
      59                 :            :  *
      60                 :            :  * #MctApplication is a top-level object representing the parental controls
      61                 :            :  * application.
      62                 :            :  *
      63                 :            :  * Since: 0.5.0
      64                 :            :  */
      65                 :            : struct _MctApplication
      66                 :            : {
      67                 :            :   GtkApplication parent_instance;
      68                 :            : 
      69                 :            :   GCancellable *cancellable;  /* (owned) */
      70                 :            : 
      71                 :            :   GDBusConnection *dbus_connection;  /* (owned) */
      72                 :            :   ActUserManager *user_manager;  /* (owned) */
      73                 :            : 
      74                 :            :   GPermission *permission;  /* (owned) */
      75                 :            :   GError *permission_error;  /* (nullable) (owned) */
      76                 :            : 
      77                 :            :   MctUserSelector *user_selector;
      78                 :            :   MctUserControls *user_controls;
      79                 :            :   GtkStack *main_stack;
      80                 :            :   AdwStatusPage *error_page;
      81                 :            :   GtkLockButton *lock_button;
      82                 :            :   GtkButton *user_accounts_panel_button;
      83                 :            :   GtkLabel *help_label;
      84                 :            : };
      85                 :            : 
      86   [ #  #  #  #  :          0 : G_DEFINE_TYPE (MctApplication, mct_application, GTK_TYPE_APPLICATION)
                   #  # ]
      87                 :            : 
      88                 :            : static void
      89                 :          0 : mct_application_init (MctApplication *self)
      90                 :            : {
      91                 :          0 :   self->cancellable = g_cancellable_new ();
      92                 :          0 : }
      93                 :            : 
      94                 :            : static void
      95                 :          0 : mct_application_constructed (GObject *object)
      96                 :            : {
      97                 :          0 :   GApplication *application = G_APPLICATION (object);
      98                 :          0 :   const GOptionEntry options[] =
      99                 :            :     {
     100                 :            :       { "user", 'u', G_OPTION_FLAG_NONE, G_OPTION_ARG_STRING, NULL,
     101                 :            :         /* Translators: This documents the --user command line option to malcontent-control: */
     102                 :            :         N_("User to select in the UI"),
     103                 :            :         /* Translators: This is a placeholder for a command line argument value: */
     104                 :            :         N_("USERNAME") },
     105                 :            :       { NULL, },
     106                 :            :     };
     107                 :            : 
     108                 :          0 :   g_application_set_application_id (application, "org.freedesktop.MalcontentControl");
     109                 :            : 
     110                 :          0 :   g_application_add_main_option_entries (application, options);
     111                 :          0 :   g_application_set_flags (application, g_application_get_flags (application) | G_APPLICATION_HANDLES_COMMAND_LINE);
     112                 :            : 
     113                 :            :   /* Translators: This is a summary of what the application does, displayed when
     114                 :            :    * it’s run with --help: */
     115                 :          0 :   g_application_set_option_context_parameter_string (application,
     116                 :            :                                                      N_("— view and edit parental controls"));
     117                 :            : 
     118                 :            :   /* Localisation */
     119                 :          0 :   bindtextdomain ("malcontent", PACKAGE_LOCALE_DIR);
     120                 :          0 :   bind_textdomain_codeset ("malcontent", "UTF-8");
     121                 :          0 :   textdomain ("malcontent");
     122                 :            : 
     123                 :          0 :   g_set_application_name (_("Parental Controls"));
     124                 :          0 :   gtk_window_set_default_icon_name ("org.freedesktop.MalcontentControl");
     125                 :            : 
     126                 :          0 :   G_OBJECT_CLASS (mct_application_parent_class)->constructed (object);
     127                 :          0 : }
     128                 :            : 
     129                 :            : static void
     130                 :          0 : mct_application_dispose (GObject *object)
     131                 :            : {
     132                 :          0 :   MctApplication *self = MCT_APPLICATION (object);
     133                 :            : 
     134                 :          0 :   g_cancellable_cancel (self->cancellable);
     135                 :            : 
     136         [ #  # ]:          0 :   if (self->user_manager != NULL)
     137                 :            :     {
     138                 :          0 :       g_signal_handlers_disconnect_by_func (self->user_manager,
     139                 :            :                                             user_manager_notify_is_loaded_cb, self);
     140         [ #  # ]:          0 :       g_clear_object (&self->user_manager);
     141                 :            :     }
     142                 :            : 
     143         [ #  # ]:          0 :   if (self->permission != NULL)
     144                 :            :     {
     145                 :          0 :       g_signal_handlers_disconnect_by_func (self->permission,
     146                 :            :                                             permission_notify_allowed_cb, self);
     147         [ #  # ]:          0 :       g_clear_object (&self->permission);
     148                 :            :     }
     149                 :            : 
     150         [ #  # ]:          0 :   g_clear_object (&self->dbus_connection);
     151                 :          0 :   g_clear_error (&self->permission_error);
     152         [ #  # ]:          0 :   g_clear_object (&self->cancellable);
     153                 :            : 
     154                 :          0 :   G_OBJECT_CLASS (mct_application_parent_class)->dispose (object);
     155                 :          0 : }
     156                 :            : 
     157                 :            : static GtkWindow *
     158                 :          0 : mct_application_get_main_window (MctApplication *self)
     159                 :            : {
     160                 :          0 :   return gtk_application_get_active_window (GTK_APPLICATION (self));
     161                 :            : }
     162                 :            : 
     163                 :            : static void
     164                 :          0 : mct_application_activate (GApplication *application)
     165                 :            : {
     166                 :          0 :   MctApplication *self = MCT_APPLICATION (application);
     167                 :          0 :   GtkWindow *window = NULL;
     168                 :            : 
     169                 :          0 :   window = mct_application_get_main_window (self);
     170                 :            : 
     171         [ #  # ]:          0 :   if (window == NULL)
     172                 :            :     {
     173         [ #  # ]:          0 :       g_autoptr(GtkBuilder) builder = NULL;
     174         [ #  # ]:          0 :       g_autoptr(GError) local_error = NULL;
     175                 :            : 
     176                 :            :       /* Ensure the types used in the UI are registered. */
     177                 :          0 :       g_type_ensure (MCT_TYPE_USER_CONTROLS);
     178                 :          0 :       g_type_ensure (MCT_TYPE_USER_SELECTOR);
     179                 :            : 
     180                 :            :       /* Start loading the permission */
     181                 :          0 :       polkit_permission_new ("org.freedesktop.MalcontentControl.administration",
     182                 :            :                              NULL, self->cancellable,
     183                 :            :                              permission_new_cb, self);
     184                 :            : 
     185                 :          0 :       builder = gtk_builder_new ();
     186                 :            : 
     187                 :          0 :       g_assert (self->dbus_connection == NULL);
     188                 :          0 :       self->dbus_connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, self->cancellable, &local_error);
     189         [ #  # ]:          0 :       if (self->dbus_connection == NULL)
     190                 :            :         {
     191                 :          0 :           g_error ("Error getting system bus: %s", local_error->message);
     192                 :            :           return;
     193                 :            :         }
     194                 :            : 
     195                 :          0 :       g_assert (self->user_manager == NULL);
     196                 :          0 :       self->user_manager = g_object_ref (act_user_manager_get_default ());
     197                 :            : 
     198                 :          0 :       gtk_builder_set_translation_domain (builder, "malcontent");
     199                 :          0 :       gtk_builder_expose_object (builder, "user_manager", G_OBJECT (self->user_manager));
     200                 :          0 :       gtk_builder_expose_object (builder, "dbus_connection", G_OBJECT (self->dbus_connection));
     201                 :            : 
     202                 :          0 :       gtk_builder_add_from_resource (builder, "/org/freedesktop/MalcontentControl/ui/main.ui", &local_error);
     203                 :          0 :       g_assert (local_error == NULL);
     204                 :            : 
     205                 :            :       /* Set up the main window. */
     206                 :          0 :       window = GTK_WINDOW (gtk_builder_get_object (builder, "main_window"));
     207                 :          0 :       gtk_window_set_application (window, GTK_APPLICATION (application));
     208                 :            : 
     209                 :          0 :       self->main_stack = GTK_STACK (gtk_builder_get_object (builder, "main_stack"));
     210                 :          0 :       self->user_selector = MCT_USER_SELECTOR (gtk_builder_get_object (builder, "user_selector"));
     211                 :          0 :       self->user_controls = MCT_USER_CONTROLS (gtk_builder_get_object (builder, "user_controls"));
     212                 :          0 :       self->error_page = ADW_STATUS_PAGE (gtk_builder_get_object (builder, "error_page"));
     213                 :          0 :       self->lock_button = GTK_LOCK_BUTTON (gtk_builder_get_object (builder, "lock_button"));
     214                 :          0 :       self->user_accounts_panel_button = GTK_BUTTON (gtk_builder_get_object (builder, "user_accounts_panel_button"));
     215                 :            : 
     216                 :            :       /* Connect signals. */
     217                 :          0 :       g_signal_connect_object (self->user_selector, "notify::user",
     218                 :            :                                G_CALLBACK (user_selector_notify_user_cb),
     219                 :            :                                self, 0  /* flags */);
     220                 :          0 :       g_signal_connect_object (self->user_accounts_panel_button, "clicked",
     221                 :            :                                G_CALLBACK (user_accounts_panel_button_clicked_cb),
     222                 :            :                                self, 0  /* flags */);
     223                 :          0 :       g_signal_connect (self->user_manager, "notify::is-loaded",
     224                 :            :                         G_CALLBACK (user_manager_notify_is_loaded_cb), self);
     225                 :            : 
     226                 :            :       /* Work out whether to show the loading page or the main page, and show
     227                 :            :        * the controls for the initially selected user. */
     228                 :          0 :       user_selector_notify_user_cb (G_OBJECT (self->user_selector), NULL, self);
     229                 :          0 :       user_manager_notify_is_loaded_cb (G_OBJECT (self->user_manager), NULL, self);
     230                 :            : 
     231                 :          0 :       gtk_window_present (GTK_WINDOW (window));
     232                 :            :     }
     233                 :            : 
     234                 :            :   /* Bring the window to the front. */
     235                 :          0 :   gtk_window_present (window);
     236                 :            : }
     237                 :            : 
     238                 :            : static void
     239                 :          0 : mct_application_startup (GApplication *application)
     240                 :            : {
     241                 :          0 :   const GActionEntry app_entries[] =
     242                 :            :     {
     243                 :            :       { "about", about_action_cb, NULL, NULL, NULL, { 0, } },
     244                 :            :       { "help", help_action_cb, NULL, NULL, NULL, { 0, } },
     245                 :            :       { "quit", quit_action_cb, NULL, NULL, NULL, { 0, } },
     246                 :            :     };
     247                 :            : 
     248                 :            :   /* Chain up. */
     249                 :          0 :   G_APPLICATION_CLASS (mct_application_parent_class)->startup (application);
     250                 :            : 
     251                 :          0 :   adw_init ();
     252                 :            : 
     253                 :          0 :   g_action_map_add_action_entries (G_ACTION_MAP (application), app_entries,
     254                 :            :                                    G_N_ELEMENTS (app_entries), application);
     255                 :            : 
     256                 :          0 :   gtk_application_set_accels_for_action (GTK_APPLICATION (application),
     257                 :          0 :                                          "app.help", (const gchar * const[]) { "F1", NULL });
     258                 :          0 :   gtk_application_set_accels_for_action (GTK_APPLICATION (application),
     259                 :          0 :                                          "app.quit", (const gchar * const[]) { "<Primary>q", "<Primary>w", NULL });
     260                 :          0 : }
     261                 :            : 
     262                 :            : static gint
     263                 :          0 : mct_application_command_line (GApplication            *application,
     264                 :            :                               GApplicationCommandLine *command_line)
     265                 :            : {
     266                 :          0 :   MctApplication *self = MCT_APPLICATION (application);
     267                 :          0 :   GVariantDict *options = g_application_command_line_get_options_dict (command_line);
     268                 :            :   const gchar *username;
     269                 :            : 
     270                 :            :   /* Show the application. */
     271                 :          0 :   g_application_activate (application);
     272                 :            : 
     273                 :            :   /* Select a user if requested. */
     274   [ #  #  #  # ]:          0 :   if (g_variant_dict_lookup (options, "user", "&s", &username) &&
     275                 :          0 :       !mct_user_selector_select_user_by_username (self->user_selector, username))
     276                 :          0 :     g_warning ("Failed to select user ‘%s’", username);
     277                 :            : 
     278                 :          0 :   return 0;  /* exit status */
     279                 :            : }
     280                 :            : 
     281                 :            : static void
     282                 :          0 : mct_application_class_init (MctApplicationClass *klass)
     283                 :            : {
     284                 :          0 :   GObjectClass *object_class = G_OBJECT_CLASS (klass);
     285                 :          0 :   GApplicationClass *application_class = G_APPLICATION_CLASS (klass);
     286                 :            : 
     287                 :          0 :   object_class->constructed = mct_application_constructed;
     288                 :          0 :   object_class->dispose = mct_application_dispose;
     289                 :            : 
     290                 :          0 :   application_class->activate = mct_application_activate;
     291                 :          0 :   application_class->startup = mct_application_startup;
     292                 :          0 :   application_class->command_line = mct_application_command_line;
     293                 :          0 : }
     294                 :            : 
     295                 :            : static void
     296                 :          0 : about_action_cb (GSimpleAction *action, GVariant *parameters, gpointer user_data)
     297                 :            : {
     298                 :          0 :   MctApplication *self = MCT_APPLICATION (user_data);
     299                 :          0 :   const gchar *authors[] =
     300                 :            :     {
     301                 :            :       "Philip Withnall <withnall@endlessm.com>",
     302                 :            :       "Georges Basile Stavracas Neto <georges@endlessm.com>",
     303                 :            :       "Andre Moreira Magalhaes <andre@endlessm.com>",
     304                 :            :       NULL
     305                 :            :     };
     306                 :            : 
     307                 :          0 :   gtk_show_about_dialog (mct_application_get_main_window (self),
     308                 :            :                          "version", VERSION,
     309                 :          0 :                          "copyright", _("Copyright © 2019, 2020 Endless Mobile, Inc."),
     310                 :            :                          "authors", authors,
     311                 :            :                          /* Translators: this should be "translated" to the
     312                 :            :                             names of people who have translated Malcontent into
     313                 :            :                             this language, one per line. */
     314                 :          0 :                          "translator-credits", _("translator-credits"),
     315                 :            :                          "logo-icon-name", "org.freedesktop.MalcontentControl",
     316                 :            :                          "license-type", GTK_LICENSE_GPL_2_0,
     317                 :            :                          "wrap-license", TRUE,
     318                 :            :                          /* Translators: "Malcontent" is the brand name of this
     319                 :            :                             project, so should not be translated. */
     320                 :          0 :                          "website-label", _("Malcontent Website"),
     321                 :            :                          "website", "https://gitlab.freedesktop.org/pwithnall/malcontent",
     322                 :            :                          NULL);
     323                 :          0 : }
     324                 :            : 
     325                 :            : static void
     326                 :          0 : on_malcontent_help_shown_finished_cb (GObject      *source,
     327                 :            :                                       GAsyncResult *result,
     328                 :            :                                       gpointer      user_data)
     329                 :            : {
     330                 :          0 :   MctApplication *self = MCT_APPLICATION (user_data);
     331                 :          0 :   g_autoptr(GError) local_error = NULL;
     332                 :            : 
     333         [ #  # ]:          0 :   if (!gtk_show_uri_full_finish (mct_application_get_main_window (self),
     334                 :            :                                  result,
     335                 :            :                                  &local_error))
     336                 :            :     {
     337                 :          0 :       GtkWidget *dialog = gtk_message_dialog_new (mct_application_get_main_window (self),
     338                 :            :                                                   GTK_DIALOG_MODAL,
     339                 :            :                                                   GTK_MESSAGE_ERROR,
     340                 :            :                                                   GTK_BUTTONS_OK,
     341                 :          0 :                                                   _("The help contents could not be displayed"));
     342                 :          0 :       gtk_message_dialog_format_secondary_text (GTK_MESSAGE_DIALOG (dialog), "%s", local_error->message);
     343                 :          0 :       gtk_window_present (GTK_WINDOW (dialog));
     344                 :            :     }
     345                 :          0 : }
     346                 :            : 
     347                 :            : static void
     348                 :          0 : help_action_cb (GSimpleAction *action, GVariant *parameters, gpointer user_data)
     349                 :            : {
     350                 :          0 :   MctApplication *self = MCT_APPLICATION (user_data);
     351                 :            : 
     352                 :          0 :   gtk_show_uri_full (mct_application_get_main_window (self),
     353                 :            :                      "help:malcontent",
     354                 :            :                      GDK_CURRENT_TIME,
     355                 :            :                      NULL,
     356                 :            :                      on_malcontent_help_shown_finished_cb,
     357                 :            :                      self);
     358                 :          0 : }
     359                 :            : 
     360                 :            : static void
     361                 :          0 : quit_action_cb (GSimpleAction *action, GVariant *parameters, gpointer user_data)
     362                 :            : {
     363                 :          0 :   MctApplication *self = MCT_APPLICATION (user_data);
     364                 :            : 
     365                 :          0 :   g_application_quit (G_APPLICATION (self));
     366                 :          0 : }
     367                 :            : 
     368                 :            : static void
     369                 :          0 : update_main_stack (MctApplication *self)
     370                 :            : {
     371                 :            :   gboolean is_user_manager_loaded, is_permission_loaded, has_permission;
     372                 :            :   const gchar *new_page_name, *old_page_name;
     373                 :            :   GtkWidget *new_focus_widget;
     374                 :            :   ActUser *selected_user;
     375                 :            : 
     376                 :            :   /* The implementation of #ActUserManager guarantees that once is-loaded is
     377                 :            :    * true, it is never reset to false. */
     378                 :          0 :   g_object_get (self->user_manager, "is-loaded", &is_user_manager_loaded, NULL);
     379   [ #  #  #  # ]:          0 :   is_permission_loaded = (self->permission != NULL || self->permission_error != NULL);
     380   [ #  #  #  # ]:          0 :   has_permission = (self->permission != NULL && g_permission_get_allowed (self->permission));
     381                 :          0 :   selected_user = mct_user_selector_get_user (self->user_selector);
     382                 :            : 
     383                 :            :   /* Handle any loading errors (including those from getting the permission). */
     384   [ #  #  #  # ]:          0 :   if ((is_user_manager_loaded && act_user_manager_no_service (self->user_manager)) ||
     385         [ #  # ]:          0 :       self->permission_error != NULL)
     386                 :            :     {
     387                 :          0 :       adw_status_page_set_title (self->error_page,
     388                 :          0 :                                  _("Failed to load user data from the system"));
     389                 :          0 :       adw_status_page_set_description (self->error_page,
     390                 :          0 :                                        _("Please make sure that the AccountsService is installed and enabled."));
     391                 :            : 
     392                 :          0 :       new_page_name = "error";
     393                 :          0 :       new_focus_widget = NULL;
     394                 :            :     }
     395   [ #  #  #  # ]:          0 :   else if (is_user_manager_loaded && selected_user == NULL)
     396                 :            :     {
     397                 :          0 :       new_page_name = "no-other-users";
     398                 :          0 :       new_focus_widget = GTK_WIDGET (self->user_accounts_panel_button);
     399                 :            :     }
     400   [ #  #  #  # ]:          0 :   else if (is_permission_loaded && !has_permission)
     401                 :            :     {
     402                 :          0 :       gtk_lock_button_set_permission (self->lock_button, self->permission);
     403                 :          0 :       mct_user_controls_set_permission (self->user_controls, self->permission);
     404                 :            : 
     405                 :          0 :       new_page_name = "unlock";
     406                 :          0 :       new_focus_widget = GTK_WIDGET (self->lock_button);
     407                 :            :     }
     408   [ #  #  #  # ]:          0 :   else if (is_permission_loaded && is_user_manager_loaded)
     409                 :          0 :     {
     410                 :          0 :       g_autofree gchar *help_label = NULL;
     411                 :            : 
     412                 :            :       /* Translators: Replace the link to commonsensemedia.org with some
     413                 :            :        * localised guidance for parents/carers on how to set restrictions on
     414                 :            :        * their child/caree in a responsible way which is in keeping with the
     415                 :            :        * best practice and culture of the region. If no suitable localised
     416                 :            :        * guidance exists, and if the default commonsensemedia.org link is not
     417                 :            :        * suitable, please file an issue against malcontent so we can discuss
     418                 :            :        * further!
     419                 :            :        * https://gitlab.freedesktop.org/pwithnall/malcontent/-/issues/new
     420                 :            :        */
     421                 :          0 :       help_label = g_strdup_printf (_("It’s recommended that restrictions are "
     422                 :            :                                       "set as part of an ongoing conversation "
     423                 :            :                                       "with %s. <a href='https://www.commonsensemedia.org/privacy-and-internet-safety'>"
     424                 :            :                                       "Read guidance</a> on what to consider."),
     425                 :            :                                     act_user_get_real_name (selected_user));
     426                 :          0 :       mct_user_controls_set_description (self->user_controls, help_label);
     427                 :            : 
     428                 :          0 :       mct_user_controls_set_user (self->user_controls, selected_user);
     429                 :            : 
     430                 :          0 :       new_page_name = "controls";
     431                 :          0 :       new_focus_widget = GTK_WIDGET (self->user_controls);
     432                 :            :     }
     433                 :            :   else
     434                 :            :     {
     435                 :          0 :       new_page_name = "loading";
     436                 :          0 :       new_focus_widget = NULL;
     437                 :            :     }
     438                 :            : 
     439                 :          0 :   old_page_name = gtk_stack_get_visible_child_name (self->main_stack);
     440                 :          0 :   gtk_stack_set_visible_child_name (self->main_stack, new_page_name);
     441                 :            : 
     442   [ #  #  #  # ]:          0 :   if (new_focus_widget != NULL && !g_str_equal (old_page_name, new_page_name))
     443                 :          0 :     gtk_widget_grab_focus (new_focus_widget);
     444                 :          0 : }
     445                 :            : 
     446                 :            : static void
     447                 :          0 : user_selector_notify_user_cb (GObject    *obj,
     448                 :            :                               GParamSpec *pspec,
     449                 :            :                               gpointer    user_data)
     450                 :            : {
     451                 :          0 :   MctApplication *self = MCT_APPLICATION (user_data);
     452                 :            : 
     453                 :          0 :   update_main_stack (self);
     454                 :          0 : }
     455                 :            : 
     456                 :            : static void
     457                 :          0 : user_manager_notify_is_loaded_cb (GObject    *obj,
     458                 :            :                                   GParamSpec *pspec,
     459                 :            :                                   gpointer    user_data)
     460                 :            : {
     461                 :          0 :   MctApplication *self = MCT_APPLICATION (user_data);
     462                 :            : 
     463                 :          0 :   update_main_stack (self);
     464                 :          0 : }
     465                 :            : 
     466                 :            : static void
     467                 :          0 : permission_new_cb (GObject      *source_object,
     468                 :            :                    GAsyncResult *result,
     469                 :            :                    gpointer      user_data)
     470                 :            : {
     471                 :          0 :   MctApplication *self = MCT_APPLICATION (user_data);
     472                 :          0 :   g_autoptr(GPermission) permission = NULL;
     473                 :          0 :   g_autoptr(GError) local_error = NULL;
     474                 :            : 
     475                 :          0 :   permission = polkit_permission_new_finish (result, &local_error);
     476         [ #  # ]:          0 :   if (permission == NULL)
     477                 :            :     {
     478                 :          0 :       g_assert (self->permission_error == NULL);
     479                 :          0 :       self->permission_error = g_steal_pointer (&local_error);
     480                 :          0 :       g_debug ("Error getting permission: %s", self->permission_error->message);
     481                 :            :     }
     482                 :            :   else
     483                 :            :     {
     484                 :          0 :       g_assert (self->permission == NULL);
     485                 :          0 :       self->permission = g_steal_pointer (&permission);
     486                 :            : 
     487                 :          0 :       g_signal_connect (self->permission, "notify::allowed",
     488                 :            :                         G_CALLBACK (permission_notify_allowed_cb), self);
     489                 :            :     }
     490                 :            : 
     491                 :            :   /* Recalculate the UI. */
     492                 :          0 :   update_main_stack (self);
     493                 :          0 : }
     494                 :            : 
     495                 :            : static void
     496                 :          0 : permission_notify_allowed_cb (GObject    *obj,
     497                 :            :                               GParamSpec *pspec,
     498                 :            :                               gpointer    user_data)
     499                 :            : {
     500                 :          0 :   MctApplication *self = MCT_APPLICATION (user_data);
     501                 :            : 
     502                 :          0 :   update_main_stack (self);
     503                 :          0 : }
     504                 :            : 
     505                 :            : static void
     506                 :          0 : user_accounts_panel_button_clicked_cb (GtkButton *button,
     507                 :            :                                        gpointer   user_data)
     508                 :            : {
     509         [ #  # ]:          0 :   g_autoptr(GError) local_error = NULL;
     510                 :            : 
     511         [ #  # ]:          0 :   if (!g_spawn_command_line_async ("gnome-control-center user-accounts", &local_error))
     512                 :            :     {
     513                 :          0 :       g_warning ("Error opening GNOME Control Center: %s",
     514                 :            :                  local_error->message);
     515                 :          0 :       return;
     516                 :            :     }
     517                 :            : }
     518                 :            : 
     519                 :            : /**
     520                 :            :  * mct_application_new:
     521                 :            :  *
     522                 :            :  * Create a new #MctApplication.
     523                 :            :  *
     524                 :            :  * Returns: (transfer full): a new #MctApplication
     525                 :            :  * Since: 0.5.0
     526                 :            :  */
     527                 :            : MctApplication *
     528                 :          0 : mct_application_new (void)
     529                 :            : {
     530                 :          0 :   return g_object_new (MCT_TYPE_APPLICATION, NULL);
     531                 :            : }

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