Warn users of closure

Closes #54

briar-gtk/briar_gtk/window.py

@@ -2,7 +2,8 @@
 # SPDX-License-Identifier: AGPL-3.0-only
 # License-Filename: LICENSE.md
 
-from gi.repository import Gtk
+from gettext import gettext as _
+from gi.repository import Gio, Gtk
 
 from briar_gtk.actions.window import WindowActions
 from briar_gtk.containers.add_contact import AddContactContainer
@@ -29,6 +30,32 @@ class Window(Gtk.ApplicationWindow):
         self.current_container.destroy()
         self._setup_add_contact_container()
 
+    def do_delete_event(self, event):
+        settings = Gio.Settings.new(APPLICATION_ID)
+        if settings.get_boolean("quit-dialog-shown"):
+            return False
+        settings.set_boolean("quit-dialog-shown", True)
+
+        confirmation_dialog = Gtk.MessageDialog(
+            transient_for=self,
+            flags=Gtk.DialogFlags.MODAL,
+            message_type=Gtk.MessageType.WARNING,
+            buttons=Gtk.ButtonsType.OK_CANCEL,
+            text=_("Are you sure you want to exit?")
+        )
+        confirmation_dialog.format_secondary_text(
+            _("Once you close Briar, you'll no longer receive or send "
+              "pending messages. Keep Briar open to stay connected "
+              "with your contacts.")
+        )
+        response = confirmation_dialog.run()
+        confirmation_dialog.destroy()
+
+        if response == Gtk.ResponseType.OK:
+            return False
+
+        return True  # keeps the application running
+
     def _initialize_gtk_application_window(self):
         Gtk.ApplicationWindow.__init__(self, application=APP(),
                                        title=APPLICATION_NAME,

briar-gtk/data/app.briar.gtk.gschema.xml

-<?xml version="1.0" encoding="UTF-8"?>
-<schemalist gettext-domain="briar_gtk">
-	<schema id="app.briar.gtk" path="/app/briar/gtk/">
-	</schema>
-</schemalist>

briar-gtk/data/meson.build

@@ -33,10 +33,6 @@ if appstream_util.found()
   )
 endif
 
-install_data('app.briar.gtk.gschema.xml',
-  install_dir: join_paths(get_option('datadir'), 'glib-2.0/schemas')
-)
-
 compile_schemas = find_program('glib-compile-schemas', required: false)
 if compile_schemas.found()
   test('Validate schema file', compile_schemas,

briar-gtk/data/ui/app.briar.gtk.gresource.xml

@@ -10,5 +10,6 @@
     <file compressed="true" preprocess="xml-stripblanks">private_chat.ui</file>
     <file compressed="true" preprocess="xml-stripblanks">registration.ui</file>
     <file compressed="true" preprocess="xml-stripblanks">about_dialog.ui</file>
+    <file compressed="true" preprocess="xml-stripblanks">app.briar.gtk.gschema.xml</file>
   </gresource>
 </gresources>

briar-gtk/data/ui/app.briar.gtk.gschema.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<schemalist gettext-domain="briar_gtk">
+  <schema id="app.briar.gtk" path="/app/briar/gtk/" gettext-domain="briar-gtk">
+    <key name="quit-dialog-shown" type="b">
+      <default>false</default>
+      <summary>Quit dialog has been shown already</summary>
+      <description>It should only be shown once</description>
+    </key>
+  </schema>
+</schemalist>

briar-gtk/data/ui/meson.build

@@ -16,3 +16,7 @@ gnome.compile_resources('briar-gtk',
     configuration: conf
   )
 )
+
+install_data('app.briar.gtk.gschema.xml',
+  install_dir: join_paths(get_option('datadir'), 'glib-2.0/schemas')
+)

briar-gtk/po/ar.po

@@ -152,6 +152,12 @@ msgstr ""
 msgid "Myself"
 msgstr ""
 
+msgid "Are you sure you want to exit?"
+msgstr ""
+
+msgid "Once you close Briar, you'll no longer receive or send pending messages. Keep Briar open to stay connected with your contacts."
+msgstr ""
+
 msgid "Confirm Contact Deletion"
 msgstr "تأكيد حذف جهة الإتصال"
 

briar-gtk/po/briar-gtk.pot

@@ -162,6 +162,12 @@ msgstr ""
 msgid "Myself"
 msgstr ""
 
+msgid "Are you sure you want to exit?"
+msgstr ""
+
+msgid "Once you close Briar, you'll no longer receive or send pending messages. Keep Briar open to stay connected with your contacts."
+msgstr ""
+
 msgid "Confirm Contact Deletion"
 msgstr ""
 

briar-gtk/po/de.po

@@ -152,6 +152,12 @@ msgstr "Briar-Funktionalität von"
 msgid "Myself"
 msgstr "Ich"
 
+msgid "Are you sure you want to exit?"
+msgstr "Willst du Briar wirklich beenden?"
+
+msgid "Once you close Briar, you'll no longer receive or send pending messages. Keep Briar open to stay connected with your contacts."
+msgstr "Sobald du Briar schließt, wirst du keine ausstehenden Nachrichten mehr empfangen oder senden können. Lass Briar offen, um mit deinen Kontakten in Verbindung zu bleiben."
+
 msgid "Confirm Contact Deletion"
 msgstr "Löschen des Kontakts bestätigen"
 

briar-gtk/po/es.po

@@ -152,6 +152,12 @@ msgstr "Funcionalidad de Briar de"
 msgid "Myself"
 msgstr "Yo"
 
+msgid "Are you sure you want to exit?"
+msgstr "¿Estás seguro que quieres salir?"
+
+msgid "Once you close Briar, you'll no longer receive or send pending messages. Keep Briar open to stay connected with your contacts."
+msgstr "Cuando cierres Briar, no vas a recibir o enviar mensajes pendientes. Mantenlo abierto para permanecer conectado con tus contactos."
+
 msgid "Confirm Contact Deletion"
 msgstr "Confirmar eliminación de contacto"
 

tools/generate_data.sh

@@ -17,7 +17,7 @@ function generate_resource()
         echo -n $(basename $file)
         echo '</file>'
     done
-    for file in briar-gtk/data/ui/*.ui about_dialog.ui
+    for file in briar-gtk/data/ui/*.ui about_dialog.ui briar-gtk/data/ui/app.briar.gtk.gschema.xml
     do
         echo -n '    <file compressed="true" preprocess="xml-stripblanks">'
         echo -n $(basename $file)