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malcontent/libmalcontent-ui/user-controls.c

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright © 2018, 2019, 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:
* - Georges Basile Stavracas Neto <georges.stavracas@gmail.com>
* - Philip Withnall <withnall@endlessm.com>
*/
#include <libmalcontent/malcontent.h>
#include <flatpak.h>
#include <gio/gio.h>
#include <gio/gdesktopappinfo.h>
#include <glib/gi18n.h>
#include <strings.h>
#include "gs-content-rating.h"
#include "restrict-applications-dialog.h"
#include "user-controls.h"
#define WEB_BROWSERS_CONTENT_TYPE "x-scheme-handler/http"
/* The value which we store as an age to indicate that OARS filtering is disabled. */
static const guint32 oars_disabled_age = (guint32) -1;
struct _MctUserControls
{
GtkGrid parent_instance;
GMenu *age_menu;
GtkSwitch *allow_system_installation_switch;
GtkSwitch *allow_user_installation_switch;
GtkSwitch *allow_web_browsers_switch;
GtkButton *restriction_button;
GtkPopover *restriction_popover;
MctRestrictApplicationsDialog *restrict_applications_dialog;
GSimpleActionGroup *action_group; /* (owned) */
ActUser *user; /* (owned) (nullable) */
GPermission *permission; /* (owned) (nullable) */
gulong permission_allowed_id;
GCancellable *cancellable; /* (owned) */
MctManager *manager; /* (owned) */
MctAppFilter *filter; /* (owned) */
guint selected_age; /* @oars_disabled_age to disable OARS */
guint blacklist_apps_source_id;
gboolean flushed_on_dispose;
};
static gboolean blacklist_apps_cb (gpointer data);
static void on_allow_installation_switch_active_changed_cb (GtkSwitch *s,
GParamSpec *pspec,
MctUserControls *self);
static void on_allow_web_browsers_switch_active_changed_cb (GtkSwitch *s,
GParamSpec *pspec,
MctUserControls *self);
static void on_restrict_applications_button_clicked_cb (GtkButton *button,
gpointer user_data);
static gboolean on_restrict_applications_dialog_delete_event_cb (GtkWidget *widget,
GdkEvent *event,
gpointer user_data);
static void on_restrict_applications_dialog_response_cb (GtkDialog *dialog,
gint response_id,
gpointer user_data);
static void on_set_age_action_activated (GSimpleAction *action,
GVariant *param,
gpointer user_data);
static void on_permission_allowed_cb (GObject *obj,
GParamSpec *pspec,
gpointer user_data);
G_DEFINE_TYPE (MctUserControls, mct_user_controls, GTK_TYPE_GRID)
enum
{
PROP_USER = 1,
PROP_PERMISSION,
N_PROPS
};
static GParamSpec *properties [N_PROPS];
static const GActionEntry actions[] = {
{ "set-age", on_set_age_action_activated, "u", NULL, NULL, { 0, }}
};
/* FIXME: Factor this out and rely on code from libappstream-glib or gnome-software
* to do it. See: https://gitlab.freedesktop.org/pwithnall/malcontent/issues/7 */
static const gchar * const oars_categories[] =
{
"violence-cartoon",
"violence-fantasy",
"violence-realistic",
"violence-bloodshed",
"violence-sexual",
"violence-desecration",
"violence-slavery",
"violence-worship",
"drugs-alcohol",
"drugs-narcotics",
"drugs-tobacco",
"sex-nudity",
"sex-themes",
"sex-homosexuality",
"sex-prostitution",
"sex-adultery",
"sex-appearance",
"language-profanity",
"language-humor",
"language-discrimination",
"social-chat",
"social-info",
"social-audio",
"social-location",
"social-contacts",
"money-purchasing",
"money-gambling",
NULL
};
/* Auxiliary methods */
static GsContentRatingSystem
get_content_rating_system (ActUser *user)
{
const gchar *user_language;
user_language = act_user_get_language (user);
return gs_utils_content_rating_system_from_locale (user_language);
}
static void
schedule_update_blacklisted_apps (MctUserControls *self)
{
if (self->blacklist_apps_source_id > 0)
return;
/* Use a timeout to batch multiple quick changes into a single
* update. 1 second is an arbitrary sufficiently small number */
self->blacklist_apps_source_id = g_timeout_add_seconds (1, blacklist_apps_cb, self);
}
static void
flush_update_blacklisted_apps (MctUserControls *self)
{
if (self->blacklist_apps_source_id > 0)
{
/* Remove the timer and forcefully call the timer callback. */
g_source_remove (self->blacklist_apps_source_id);
self->blacklist_apps_source_id = 0;
blacklist_apps_cb (self);
}
}
static void
update_app_filter (MctUserControls *self)
{
g_autoptr(GError) error = NULL;
g_clear_pointer (&self->filter, mct_app_filter_unref);
if (self->user == NULL)
return;
/* FIXME: It’s expected that, unless authorised already, a user cannot read
* another user’s app filter. accounts-service currently (incorrectly) ignores
* the missing ‘interactive’ flag and prompts the user for permission if so,
* so don’t query at all in that case. */
if (act_user_get_uid (self->user) != getuid () &&
(self->permission == NULL ||
!g_permission_get_allowed (self->permission)))
return;
/* FIXME: make it asynchronous */
self->filter = mct_manager_get_app_filter (self->manager,
act_user_get_uid (self->user),
MCT_MANAGER_GET_VALUE_FLAGS_NONE,
self->cancellable,
&error);
if (error)
{
g_warning ("Error retrieving app filter for user '%s': %s",
act_user_get_user_name (self->user),
error->message);
return;
}
g_debug ("Retrieved new app filter for user '%s'", act_user_get_user_name (self->user));
}
static void
update_categories_from_language (MctUserControls *self)
{
GsContentRatingSystem rating_system;
const gchar * const * entries;
const gchar *rating_system_str;
const guint *ages;
gsize i;
g_autofree gchar *disabled_action = NULL;
rating_system = get_content_rating_system (self->user);
rating_system_str = gs_content_rating_system_to_str (rating_system);
g_debug ("Using rating system %s", rating_system_str);
entries = gs_utils_content_rating_get_values (rating_system);
ages = gs_utils_content_rating_get_ages (rating_system);
/* Fill in the age menu */
g_menu_remove_all (self->age_menu);
disabled_action = g_strdup_printf ("permissions.set-age(uint32 %u)", oars_disabled_age);
g_menu_append (self->age_menu, _("All Ages"), disabled_action);
for (i = 0; entries[i] != NULL; i++)
{
g_autofree gchar *action = g_strdup_printf ("permissions.set-age(uint32 %u)", ages[i]);
/* Prevent the unlikely case that one of the real ages is the same as our
* special ‘disabled’ value. */
g_assert (ages[i] != oars_disabled_age);
g_menu_append (self->age_menu, entries[i], action);
}
}
/* Returns a human-readable but untranslated string, not suitable
* to be shown in any UI */
static const gchar *
oars_value_to_string (MctAppFilterOarsValue oars_value)
{
switch (oars_value)
{
case MCT_APP_FILTER_OARS_VALUE_UNKNOWN:
return "unknown";
case MCT_APP_FILTER_OARS_VALUE_NONE:
return "none";
case MCT_APP_FILTER_OARS_VALUE_MILD:
return "mild";
case MCT_APP_FILTER_OARS_VALUE_MODERATE:
return "moderate";
case MCT_APP_FILTER_OARS_VALUE_INTENSE:
return "intense";
default:
return "";
}
}
static void
update_oars_level (MctUserControls *self)
{
GsContentRatingSystem rating_system;
const gchar *rating_age_category;
guint maximum_age;
gsize i;
gboolean all_categories_unset;
g_assert (self->filter != NULL);
maximum_age = 0;
all_categories_unset = TRUE;
for (i = 0; oars_categories[i] != NULL; i++)
{
MctAppFilterOarsValue oars_value;
guint age;
oars_value = mct_app_filter_get_oars_value (self->filter, oars_categories[i]);
all_categories_unset &= (oars_value == MCT_APP_FILTER_OARS_VALUE_UNKNOWN);
age = as_content_rating_id_value_to_csm_age (oars_categories[i], oars_value);
g_debug ("OARS value for '%s': %s", oars_categories[i], oars_value_to_string (oars_value));
if (age > maximum_age)
maximum_age = age;
}
g_debug ("Effective age for this user: %u; %s", maximum_age,
all_categories_unset ? "all categories unset" : "some categories set");
rating_system = get_content_rating_system (self->user);
rating_age_category = gs_utils_content_rating_age_to_str (rating_system, maximum_age);
/* Unrestricted? */
if (rating_age_category == NULL || all_categories_unset)
rating_age_category = _("All Ages");
gtk_button_set_label (self->restriction_button, rating_age_category);
}
static void
update_allow_app_installation (MctUserControls *self)
{
gboolean allow_system_installation;
gboolean allow_user_installation;
gboolean non_admin_user = TRUE;
if (act_user_get_account_type (self->user) == ACT_USER_ACCOUNT_TYPE_ADMINISTRATOR)
non_admin_user = FALSE;
/* Admins are always allowed to install apps for all users. This behaviour is governed
* by flatpak polkit rules. Hence, these hide these defunct switches for admins. */
gtk_widget_set_visible (GTK_WIDGET (self->allow_system_installation_switch), non_admin_user);
gtk_widget_set_visible (GTK_WIDGET (self->allow_user_installation_switch), non_admin_user);
/* If user is admin, we are done here, bail out. */
if (!non_admin_user)
{
g_debug ("User %s is administrator, hiding app installation controls",
act_user_get_user_name (self->user));
return;
}
allow_system_installation = mct_app_filter_is_system_installation_allowed (self->filter);
allow_user_installation = mct_app_filter_is_user_installation_allowed (self->filter);
/* While the underlying permissions storage allows the system and user settings
* to be stored completely independently, force the system setting to OFF if
* the user setting is OFF in the UI. This keeps the policy in use for most
* people simpler. */
if (!allow_user_installation)
allow_system_installation = FALSE;
g_signal_handlers_block_by_func (self->allow_system_installation_switch,
on_allow_installation_switch_active_changed_cb,
self);
g_signal_handlers_block_by_func (self->allow_user_installation_switch,
on_allow_installation_switch_active_changed_cb,
self);
gtk_switch_set_active (self->allow_system_installation_switch, allow_system_installation);
gtk_switch_set_active (self->allow_user_installation_switch, allow_user_installation);
g_debug ("Allow system installation: %s", allow_system_installation ? "yes" : "no");
g_debug ("Allow user installation: %s", allow_user_installation ? "yes" : "no");
g_signal_handlers_unblock_by_func (self->allow_system_installation_switch,
on_allow_installation_switch_active_changed_cb,
self);
g_signal_handlers_unblock_by_func (self->allow_user_installation_switch,
on_allow_installation_switch_active_changed_cb,
self);
}
static void
update_allow_web_browsers (MctUserControls *self)
{
gboolean allow_web_browsers;
allow_web_browsers = mct_app_filter_is_content_type_allowed (self->filter,
WEB_BROWSERS_CONTENT_TYPE);
g_signal_handlers_block_by_func (self->allow_web_browsers_switch,
on_allow_web_browsers_switch_active_changed_cb,
self);
gtk_switch_set_active (self->allow_web_browsers_switch, allow_web_browsers);
g_debug ("Allow web browsers: %s", allow_web_browsers ? "yes" : "no");
g_signal_handlers_unblock_by_func (self->allow_web_browsers_switch,
on_allow_web_browsers_switch_active_changed_cb,
self);
}
static void
setup_parental_control_settings (MctUserControls *self)
{
gboolean is_authorized;
gtk_widget_set_visible (GTK_WIDGET (self), self->filter != NULL);
if (!self->filter)
return;
/* We only want to make the controls sensitive if we have permission to save
* changes (@is_authorized). */
if (self->permission != NULL)
is_authorized = g_permission_get_allowed (G_PERMISSION (self->permission));
else
is_authorized = FALSE;
gtk_widget_set_sensitive (GTK_WIDGET (self), is_authorized);
update_oars_level (self);
update_categories_from_language (self);
update_allow_app_installation (self);
update_allow_web_browsers (self);
}
/* Callbacks */
static gboolean
blacklist_apps_cb (gpointer data)
{
g_auto(MctAppFilterBuilder) builder = MCT_APP_FILTER_BUILDER_INIT ();
g_autoptr(MctAppFilter) new_filter = NULL;
g_autoptr(GError) error = NULL;
MctUserControls *self = data;
gboolean allow_web_browsers;
gsize i;
self->blacklist_apps_source_id = 0;
g_debug ("Building parental controls settings…");
/* Blacklist */
g_debug ("\t → Blacklisting apps");
mct_restrict_applications_dialog_build_app_filter (self->restrict_applications_dialog, &builder);
/* Maturity level */
g_debug ("\t → Maturity level");
if (self->selected_age == oars_disabled_age)
g_debug ("\t\t → Disabled");
for (i = 0; self->selected_age != oars_disabled_age && oars_categories[i] != NULL; i++)
{
MctAppFilterOarsValue oars_value;
const gchar *oars_category;
oars_category = oars_categories[i];
oars_value = as_content_rating_id_csm_age_to_value (oars_category, self->selected_age);
g_debug ("\t\t → %s: %s", oars_category, oars_value_to_string (oars_value));
mct_app_filter_builder_set_oars_value (&builder, oars_category, oars_value);
}
/* Web browsers */
allow_web_browsers = gtk_switch_get_active (self->allow_web_browsers_switch);
g_debug ("\t → %s web browsers", allow_web_browsers ? "Enabling" : "Disabling");
if (!allow_web_browsers)
mct_app_filter_builder_blacklist_content_type (&builder, WEB_BROWSERS_CONTENT_TYPE);
/* App installation */
if (act_user_get_account_type (self->user) != ACT_USER_ACCOUNT_TYPE_ADMINISTRATOR)
{
gboolean allow_system_installation;
gboolean allow_user_installation;
allow_system_installation = gtk_switch_get_active (self->allow_system_installation_switch);
allow_user_installation = gtk_switch_get_active (self->allow_user_installation_switch);
g_debug ("\t → %s system installation", allow_system_installation ? "Enabling" : "Disabling");
g_debug ("\t → %s user installation", allow_user_installation ? "Enabling" : "Disabling");
mct_app_filter_builder_set_allow_user_installation (&builder, allow_user_installation);
mct_app_filter_builder_set_allow_system_installation (&builder, allow_system_installation);
}
new_filter = mct_app_filter_builder_end (&builder);
/* FIXME: should become asynchronous */
mct_manager_set_app_filter (self->manager,
act_user_get_uid (self->user),
new_filter,
MCT_MANAGER_SET_VALUE_FLAGS_INTERACTIVE,
self->cancellable,
&error);
if (error)
{
g_warning ("Error updating app filter: %s", error->message);
setup_parental_control_settings (self);
}
return G_SOURCE_REMOVE;
}
static void
on_allow_installation_switch_active_changed_cb (GtkSwitch *s,
GParamSpec *pspec,
MctUserControls *self)
{
/* See the comment about policy in update_allow_app_installation(). */
if (s == self->allow_user_installation_switch &&
!gtk_switch_get_active (s) &&
gtk_switch_get_active (self->allow_system_installation_switch))
{
g_signal_handlers_block_by_func (self->allow_system_installation_switch,
on_allow_installation_switch_active_changed_cb,
self);
gtk_switch_set_active (self->allow_system_installation_switch, FALSE);
g_signal_handlers_unblock_by_func (self->allow_system_installation_switch,
on_allow_installation_switch_active_changed_cb,
self);
}
/* Save the changes. */
schedule_update_blacklisted_apps (self);
}
static void
on_allow_web_browsers_switch_active_changed_cb (GtkSwitch *s,
GParamSpec *pspec,
MctUserControls *self)
{
/* Save the changes. */
schedule_update_blacklisted_apps (self);
}
static void
on_restrict_applications_button_clicked_cb (GtkButton *button,
gpointer user_data)
{
MctUserControls *self = MCT_USER_CONTROLS (user_data);
GtkWidget *toplevel;
/* Show the restrict applications dialogue modally, making sure to update its
* state first. */
toplevel = gtk_widget_get_toplevel (GTK_WIDGET (self));
if (GTK_IS_WINDOW (toplevel))
gtk_window_set_transient_for (GTK_WINDOW (self->restrict_applications_dialog),
GTK_WINDOW (toplevel));
mct_restrict_applications_dialog_set_user (self->restrict_applications_dialog, self->user);
mct_restrict_applications_dialog_set_app_filter (self->restrict_applications_dialog, self->filter);
gtk_widget_show (GTK_WIDGET (self->restrict_applications_dialog));
}
static gboolean
on_restrict_applications_dialog_delete_event_cb (GtkWidget *widget,
GdkEvent *event,
gpointer user_data)
{
MctUserControls *self = MCT_USER_CONTROLS (user_data);
/* When the ‘Restrict Applications’ dialogue is closed, don’t destroy it,
* since it contains the app filter settings which we’ll want to reuse next
* time the dialogue is shown or the app filter is saved. */
gtk_widget_hide (GTK_WIDGET (self->restrict_applications_dialog));
/* Schedule an update to the saved state. */
schedule_update_blacklisted_apps (self);
return TRUE;
}
static void
on_restrict_applications_dialog_response_cb (GtkDialog *dialog,
gint response_id,
gpointer user_data)
{
MctUserControls *self = MCT_USER_CONTROLS (user_data);
on_restrict_applications_dialog_delete_event_cb (GTK_WIDGET (dialog), NULL, self);
}
static void
on_set_age_action_activated (GSimpleAction *action,
GVariant *param,
gpointer user_data)
{
GsContentRatingSystem rating_system;
MctUserControls *self;
const gchar * const * entries;
const guint *ages;
guint age;
guint i;
self = MCT_USER_CONTROLS (user_data);
age = g_variant_get_uint32 (param);
rating_system = get_content_rating_system (self->user);
entries = gs_utils_content_rating_get_values (rating_system);
ages = gs_utils_content_rating_get_ages (rating_system);
/* Update the button */
if (age == oars_disabled_age)
gtk_button_set_label (self->restriction_button, _("All Ages"));
for (i = 0; age != oars_disabled_age && entries[i] != NULL; i++)
{
if (ages[i] == age)
{
gtk_button_set_label (self->restriction_button, entries[i]);
break;
}
}
g_assert (age == oars_disabled_age || entries[i] != NULL);
if (age == oars_disabled_age)
g_debug ("Selected to disable OARS");
else
g_debug ("Selected OARS age: %u", age);
self->selected_age = age;
schedule_update_blacklisted_apps (self);
}
/* GObject overrides */
static void
mct_user_controls_finalize (GObject *object)
{
MctUserControls *self = (MctUserControls *)object;
g_assert (self->blacklist_apps_source_id == 0);
g_cancellable_cancel (self->cancellable);
g_clear_object (&self->action_group);
g_clear_object (&self->cancellable);
g_clear_object (&self->user);
if (self->permission != NULL && self->permission_allowed_id != 0)
{
g_signal_handler_disconnect (self->permission, self->permission_allowed_id);
self->permission_allowed_id = 0;
}
g_clear_object (&self->permission);
g_clear_pointer (&self->filter, mct_app_filter_unref);
g_clear_object (&self->manager);
/* Hopefully we don’t have data loss. */
g_assert (self->flushed_on_dispose);
G_OBJECT_CLASS (mct_user_controls_parent_class)->finalize (object);
}
static void
mct_user_controls_dispose (GObject *object)
{
MctUserControls *self = (MctUserControls *)object;
/* Since GTK calls g_object_run_dispose(), dispose() may be called multiple
* times. We definitely want to save any unsaved changes, but don’t need to
* do it multiple times, and after the first g_object_run_dispose() call,
* none of our child widgets are still around to extract data from anyway. */
if (!self->flushed_on_dispose)
flush_update_blacklisted_apps (self);
self->flushed_on_dispose = TRUE;
G_OBJECT_CLASS (mct_user_controls_parent_class)->dispose (object);
}
static void
mct_user_controls_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
MctUserControls *self = MCT_USER_CONTROLS (object);
switch (prop_id)
{
case PROP_USER:
g_value_set_object (value, self->user);
break;
case PROP_PERMISSION:
g_value_set_object (value, self->permission);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
mct_user_controls_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
MctUserControls *self = MCT_USER_CONTROLS (object);
switch (prop_id)
{
case PROP_USER:
mct_user_controls_set_user (self, g_value_get_object (value));
break;
case PROP_PERMISSION:
mct_user_controls_set_permission (self, g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
mct_user_controls_class_init (MctUserControlsClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
object_class->finalize = mct_user_controls_finalize;
object_class->dispose = mct_user_controls_dispose;
object_class->get_property = mct_user_controls_get_property;
object_class->set_property = mct_user_controls_set_property;
properties[PROP_USER] = g_param_spec_object ("user",
"User",
"User",
ACT_TYPE_USER,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS |
G_PARAM_EXPLICIT_NOTIFY);
properties[PROP_PERMISSION] = g_param_spec_object ("permission",
"Permission",
"Permission to change parental controls",
G_TYPE_PERMISSION,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS |
G_PARAM_EXPLICIT_NOTIFY);
g_object_class_install_properties (object_class, N_PROPS, properties);
gtk_widget_class_set_template_from_resource (widget_class, "/org/freedesktop/MalcontentUi/ui/user-controls.ui");
gtk_widget_class_bind_template_child (widget_class, MctUserControls, age_menu);
gtk_widget_class_bind_template_child (widget_class, MctUserControls, allow_system_installation_switch);
gtk_widget_class_bind_template_child (widget_class, MctUserControls, allow_user_installation_switch);
gtk_widget_class_bind_template_child (widget_class, MctUserControls, allow_web_browsers_switch);
gtk_widget_class_bind_template_child (widget_class, MctUserControls, restriction_button);
gtk_widget_class_bind_template_child (widget_class, MctUserControls, restriction_popover);
gtk_widget_class_bind_template_child (widget_class, MctUserControls, restrict_applications_dialog);
gtk_widget_class_bind_template_callback (widget_class, on_allow_installation_switch_active_changed_cb);
gtk_widget_class_bind_template_callback (widget_class, on_allow_web_browsers_switch_active_changed_cb);
gtk_widget_class_bind_template_callback (widget_class, on_restrict_applications_button_clicked_cb);
gtk_widget_class_bind_template_callback (widget_class, on_restrict_applications_dialog_delete_event_cb);
gtk_widget_class_bind_template_callback (widget_class, on_restrict_applications_dialog_response_cb);
}
static void
mct_user_controls_init (MctUserControls *self)
{
g_autoptr(GDBusConnection) system_bus = NULL;
g_autoptr(GError) error = NULL;
/* Ensure the types used in the UI are registered. */
g_type_ensure (MCT_TYPE_RESTRICT_APPLICATIONS_DIALOG);
gtk_widget_init_template (GTK_WIDGET (self));
self->selected_age = (guint) -1;
self->cancellable = g_cancellable_new ();
/* FIXME: should become asynchronous */
system_bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, self->cancellable, &error);
if (system_bus == NULL)
{
g_warning ("Error getting system bus while setting up app permissions: %s", error->message);
return;
}
self->manager = mct_manager_new (system_bus);
self->action_group = g_simple_action_group_new ();
g_action_map_add_action_entries (G_ACTION_MAP (self->action_group),
actions,
G_N_ELEMENTS (actions),
self);
gtk_widget_insert_action_group (GTK_WIDGET (self),
"permissions",
G_ACTION_GROUP (self->action_group));
gtk_popover_bind_model (self->restriction_popover, G_MENU_MODEL (self->age_menu), NULL);
g_object_bind_property (self->allow_user_installation_switch, "active",
self->allow_system_installation_switch, "sensitive",
G_BINDING_DEFAULT);
}
ActUser *
mct_user_controls_get_user (MctUserControls *self)
{
g_return_val_if_fail (MCT_IS_USER_CONTROLS (self), NULL);
return self->user;
}
void
mct_user_controls_set_user (MctUserControls *self,
ActUser *user)
{
g_return_if_fail (MCT_IS_USER_CONTROLS (self));
g_return_if_fail (user == NULL || ACT_IS_USER (user));
/* If we have pending unsaved changes from the previous user, force them to be
* saved first. */
flush_update_blacklisted_apps (self);
if (g_set_object (&self->user, user))
{
update_app_filter (self);
setup_parental_control_settings (self);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_USER]);
}
}
static void
on_permission_allowed_cb (GObject *obj,
GParamSpec *pspec,
gpointer user_data)
{
MctUserControls *self = MCT_USER_CONTROLS (user_data);
update_app_filter (self);
setup_parental_control_settings (self);
}
GPermission * /* (nullable) */
mct_user_controls_get_permission (MctUserControls *self)
{
g_return_val_if_fail (MCT_IS_USER_CONTROLS (self), NULL);
return self->permission;
}
void
mct_user_controls_set_permission (MctUserControls *self,
GPermission *permission /* (nullable) */)
{
g_return_if_fail (MCT_IS_USER_CONTROLS (self));
g_return_if_fail (permission == NULL || G_IS_PERMISSION (permission));
if (self->permission == permission)
return;
if (self->permission != NULL && self->permission_allowed_id != 0)
{
g_signal_handler_disconnect (self->permission, self->permission_allowed_id);
self->permission_allowed_id = 0;
}
g_clear_object (&self->permission);
if (permission != NULL)
{
self->permission = g_object_ref (permission);
self->permission_allowed_id = g_signal_connect (self->permission,
"notify::allowed",
(GCallback) on_permission_allowed_cb,
self);
}
/* Handle changes. */
update_app_filter (self);
setup_parental_control_settings (self);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_PERMISSION]);
}
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