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AppSettingsView.vala
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AppSettingsView.vala
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/*
* Copyright 2020-2024 elementary, Inc. (https://elementary.io)
*
* 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, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* Authored by: Marius Meisenzahl <mariusmeisenzahl@gmail.com>
*/
public class Permissions.Widgets.AppSettingsView : Switchboard.SettingsPage {
public Backend.App? selected_app { get; set; default = null; }
private const string BACKGROUND_TABLE = "background";
private const string BACKGROUND_ID = "background";
private const string LOCATION_TABLE = "location";
private const string LOCATION_ID = "location";
private const string SCREENSHOT_TABLE = "screenshot";
private const string SCREENSHOT_ID = "screenshot";
private const string WALLPAPER_TABLE = "wallpaper";
private const string WALLPAPER_ID = "wallpaper";
private string location_timestamp = "0";
private Gtk.ListBox sandbox_box;
private Gtk.ListBox permission_box;
private Gtk.Button reset_button;
private PermissionSettingsWidget background_row;
private PermissionSettingsWidget location_row;
private PermissionSettingsWidget screenshot_row;
private PermissionSettingsWidget wallpaper_row;
construct {
notify["selected-app"].connect (update_view);
permission_box = new Gtk.ListBox () {
hexpand = true,
selection_mode = NONE
};
permission_box.add_css_class ("boxed-list");
permission_box.add_css_class (Granite.STYLE_CLASS_RICH_LIST);
sandbox_box = new Gtk.ListBox () {
hexpand = true,
selection_mode = NONE
};
sandbox_box.add_css_class ("boxed-list");
sandbox_box.add_css_class (Granite.STYLE_CLASS_RICH_LIST);
var sandbox_header = new Granite.HeaderLabel (_("Advanced System Access")) {
halign = FILL,
mnemonic_widget = sandbox_box,
secondary_text = _("Access to system features can be restricted to make apps more secure, but some apps may not function properly without it")
};
reset_button = new Gtk.Button.with_label (_("Reset to Defaults")) {
halign = END
};
var box = new Gtk.Box (VERTICAL, 12);
box.append (permission_box);
box.append (sandbox_header);
box.append (sandbox_box);
box.append (reset_button);
child = box;
show_end_title_buttons = true;
update_view ();
permission_box.row_activated.connect ((row) => {
if (row is PermissionSettingsWidget) {
row.active = !row.active;
}
});
sandbox_box.row_activated.connect ((row) => {
if (row is PermissionSettingsWidget) {
row.active = !row.active;
}
});
reset_button.clicked.connect (() => {
if (selected_app != null) {
selected_app.reset_settings_to_standard ();
update_view ();
}
});
}
private void update_view () {
permission_box.remove_all ();
sandbox_box.remove_all ();
if (selected_app == null) {
sensitive = false;
return;
}
var should_enable_reset = false;
selected_app.settings.foreach ((settings) => {
string description = "Unknown";
string icon_name = "image-missing";
switch (settings.context) {
case "filesystems=home":
description = _("Including all documents, downloads, music, pictures, videos, and any hidden folders.");
icon_name = "user-home";
break;
case "filesystems=host":
description = _("Including everyone's Home folders, but not including system internals.");
icon_name = "drive-harddisk";
break;
case "devices=all":
description = _("Manage all connected devices, such as webcams, microphones, and USB devices.");
icon_name = "camera-web";
break;
case "shared=network":
description = _("Connect to the Internet and local networks.");
icon_name = "preferences-system-network";
break;
case "features=bluetooth":
description = _("Manage Bluetooth devices including pairing, unpairing, and discovery.");
icon_name = "bluetooth";
break;
case "sockets=cups":
description = _("Manage printers and see the print queue.");
icon_name = "printer";
break;
case "sockets=ssh-auth":
description = _("Connect to other devices on the network via SSH.");
icon_name = "utilities-terminal";
break;
case "devices=dri":
description = _("Accelerate graphical output.");
icon_name = "application-x-firmware";
break;
}
var override_row = new PermissionSettingsWidget (
Backend.App.permission_names[settings.context],
description,
icon_name
);
settings.bind_property ("enabled", override_row, "active", SYNC_CREATE | BIDIRECTIONAL);
settings.notify["enabled"].connect (() => {
change_permission_settings (settings);
});
if (settings.enabled != settings.standard) {
should_enable_reset = true;
}
sandbox_box.append (override_row);
});
var permission_store = PermissionStore.get_default ();
background_row = new PermissionSettingsWidget (
_("Background Activity"),
_("Perform tasks and use system resources while its window is closed."),
"permissions-background"
);
background_row.notify["active"].connect (() => {
string[] permissions = { background_row.active ? "yes" : "no" };
permission_store.set_permission (BACKGROUND_TABLE, BACKGROUND_ID, selected_app.id, permissions);
});
location_row = new PermissionSettingsWidget (
_("Location Services"),
_("Determine the location of this device."),
"preferences-system-privacy-location"
);
location_row.notify["active"].connect (() => {
string[] permissions = {
location_row.active ? "EXACT" : "NONE",
location_timestamp
};
permission_store.set_permission (LOCATION_TABLE, LOCATION_ID, selected_app.id, permissions);
});
screenshot_row = new PermissionSettingsWidget (
_("Screenshot"),
_("Take pictures of the display without asking first."),
"accessories-screenshot-tool"
);
screenshot_row.notify["active"].connect (() => {
string[] permissions = { screenshot_row.active ? "yes" : "no" };
permission_store.set_permission (SCREENSHOT_TABLE, SCREENSHOT_ID, selected_app.id, permissions);
});
wallpaper_row = new PermissionSettingsWidget (
_("Wallpaper"),
_("Set the wallpaper on the desktop and lock screen."),
"preferences-desktop-wallpaper"
);
wallpaper_row.notify["active"].connect (() => {
string[] permissions = { wallpaper_row.active ? "yes" : "no" };
permission_store.set_permission (WALLPAPER_TABLE, WALLPAPER_ID, selected_app.id, permissions);
});
update_permissions.begin ();
permission_store.notify["dbus"].connect (update_permissions);
permission_store.changed.connect (update_permissions);
sensitive = true;
reset_button.sensitive = should_enable_reset;
update_property (Gtk.AccessibleProperty.LABEL, _("%s permissions").printf (selected_app.name), -1);
title = selected_app.name;
description = selected_app.description;
icon = selected_app.icon;
}
private async void update_permissions () {
var permission_store = PermissionStore.get_default ();
if (permission_store.dbus == null) {
permission_box.sensitive = false;
return;
}
permission_box.sensitive = true;
var background_permission = yield permission_store.get_permission (BACKGROUND_TABLE, BACKGROUND_ID, selected_app.id);
if (background_permission[0] != null) {
background_row.active = background_permission[0] == "yes";
if (background_row.parent == null) {
permission_box.append (background_row);
}
}
var location_permission = yield permission_store.get_permission (LOCATION_TABLE, LOCATION_ID, selected_app.id);
if (location_permission[0] != null) {
// Values are usually EXACT or NONE, but safer to assume anything but NONE is active
location_row.active = location_permission[0] != "NONE";
location_timestamp = location_permission[1];
if (location_row.parent == null) {
permission_box.append (location_row);
}
}
var screenshot_permission = yield permission_store.get_permission (SCREENSHOT_TABLE, SCREENSHOT_ID, selected_app.id);
if (screenshot_permission[0] != null) {
screenshot_row.active = screenshot_permission[0] == "yes";
if (screenshot_row.parent == null) {
permission_box.append (screenshot_row);
}
}
var wallpaper_permission = yield permission_store.get_permission (WALLPAPER_TABLE, WALLPAPER_ID, selected_app.id);
if (wallpaper_permission[0] != null) {
wallpaper_row.active = wallpaper_permission[0] == "yes";
if (wallpaper_row.parent == null) {
permission_box.append (wallpaper_row);
}
}
permission_box.visible = permission_box.get_row_at_index (0) != null;
}
private void change_permission_settings (Backend.PermissionSettings settings) {
if (selected_app == null) {
return;
}
var should_enable_reset = false;
for (var i = 0; i < selected_app.settings.length; i++) {
var s = selected_app.settings.get (i);
if (s.context == settings.context) {
s.enabled = settings.enabled;
if (settings.enabled != settings.standard) {
should_enable_reset = true;
}
break;
}
}
selected_app.save_overrides ();
reset_button.sensitive = should_enable_reset;
}
}