feat: Add branding change prompts and corresponding translations for restart notifications

resources/translations/de.json

@@ -58,6 +58,10 @@
   "dialog.language_changed.msg": "Die Spracheinstellung wurde aktualisiert. Starten Sie jetzt neu, um die ausgew\u00e4hlte Sprache \u00fcberall anzuwenden.",
   "dialog.language_changed.restart_now": "Jetzt neu starten",
   "dialog.language_changed.restart_later": "Sp\u00e4ter neu starten",
+  "dialog.branding_changed.title": "Branding ge\u00e4ndert",
+  "dialog.branding_changed.msg": "Das aktive Branding wurde geändert. Starten Sie jetzt neu, damit die aktualisierte visuelle Identität überall angewendet wird.",
+  "dialog.branding_changed.restart_now": "Jetzt neu starten",
+  "dialog.branding_changed.restart_later": "Sp\u00e4ter neu starten",
   "dialog.restart_failed.title": "Neustart fehlgeschlagen",
   "dialog.restart_failed.msg": "Die Anwendung konnte nicht automatisch neu gestartet werden:\n\n{error}\n\nBitte starten Sie manuell neu.",
   "dialog.update_timeout.title": "Zeitüberschreitung bei der Update-Pr\u00fcfung",

resources/translations/en.json

@@ -58,6 +58,10 @@
   "dialog.language_changed.msg": "The language setting was updated. Restart now to apply the selected language everywhere.",
   "dialog.language_changed.restart_now": "Restart Now",
   "dialog.language_changed.restart_later": "Restart Later",
+  "dialog.branding_changed.title": "Branding Changed",
+  "dialog.branding_changed.msg": "The active branding was changed. Restart now so the updated visual identity is applied everywhere.",
+  "dialog.branding_changed.restart_now": "Restart Now",
+  "dialog.branding_changed.restart_later": "Restart Later",
   "dialog.restart_failed.title": "Restart Failed",
   "dialog.restart_failed.msg": "Could not automatically restart the application:\n\n{error}\n\nPlease restart manually.",
   "dialog.update_timeout.title": "Update Check Timeout",

src/webdrop_bridge/ui/main_window.py

@@ -1958,6 +1958,7 @@ class MainWindow(QMainWindow):
         # Store current URL before opening dialog
         old_webapp_url = self.config.webapp_url
         old_language = self.config.language
+        old_branding_id = self.config.active_branding_id
 
         # Show dialog
         dialog = SettingsDialog(self.config, self)
@@ -1966,6 +1967,9 @@ class MainWindow(QMainWindow):
         # Check if webapp URL changed
         new_webapp_url = self.config.webapp_url
         language_changed = old_language != self.config.language
+        branding_changed = old_branding_id != self.config.active_branding_id
+        restart_prompt_shown = False
+
         if old_webapp_url != new_webapp_url:
             logger.info(f"Web application URL changed: {old_webapp_url} → {new_webapp_url}")
 
@@ -1975,6 +1979,7 @@ class MainWindow(QMainWindow):
             if domain_changed:
                 logger.warning("Domain has changed - recommending restart")
                 self._handle_domain_change_restart()
+                restart_prompt_shown = True
             else:
                 logger.info("Path changed but domain is same - reloading...")
                 # Clear cache and navigate to home asynchronously
@@ -1982,7 +1987,16 @@ class MainWindow(QMainWindow):
                 self.web_view.clear_cache_and_cookies()
                 QTimer.singleShot(100, self._navigate_home)
 
-        if language_changed:
+        if not restart_prompt_shown and branding_changed:
+            logger.info(
+                "Branding changed: %s → %s",
+                old_branding_id,
+                self.config.active_branding_id,
+            )
+            self._handle_branding_change_restart()
+            restart_prompt_shown = True
+
+        if not restart_prompt_shown and language_changed:
             logger.info(f"Language changed: {old_language} → {self.config.language}")
             self._handle_language_change_restart()
 
@@ -2046,21 +2060,42 @@ class MainWindow(QMainWindow):
             self.web_view.clear_cache_and_cookies()
             self._navigate_home()
 
+    def _handle_branding_change_restart(self) -> None:
+        """Handle branding change by prompting for an optional restart."""
+        self._show_restart_prompt(
+            title_key="dialog.branding_changed.title",
+            message_key="dialog.branding_changed.msg",
+            restart_now_key="dialog.branding_changed.restart_now",
+            restart_later_key="dialog.branding_changed.restart_later",
+        )
+
     def _handle_language_change_restart(self) -> None:
         """Handle language change by prompting for an optional restart."""
+        self._show_restart_prompt(
+            title_key="dialog.language_changed.title",
+            message_key="dialog.language_changed.msg",
+            restart_now_key="dialog.language_changed.restart_now",
+            restart_later_key="dialog.language_changed.restart_later",
+        )
+
+    def _show_restart_prompt(
+        self,
+        *,
+        title_key: str,
+        message_key: str,
+        restart_now_key: str,
+        restart_later_key: str,
+    ) -> None:
+        """Show a restart prompt for settings that require a full restart."""
         from PySide6.QtWidgets import QMessageBox
 
         msg = QMessageBox(self)
-        msg.setWindowTitle(tr("dialog.language_changed.title"))
+        msg.setWindowTitle(tr(title_key))
         msg.setIcon(QMessageBox.Icon.Information)
-        msg.setText(tr("dialog.language_changed.msg"))
+        msg.setText(tr(message_key))
 
-        restart_now_btn = msg.addButton(
-            tr("dialog.language_changed.restart_now"), QMessageBox.ButtonRole.AcceptRole
-        )
-        msg.addButton(
-            tr("dialog.language_changed.restart_later"), QMessageBox.ButtonRole.RejectRole
-        )
+        restart_now_btn = msg.addButton(tr(restart_now_key), QMessageBox.ButtonRole.AcceptRole)
+        msg.addButton(tr(restart_later_key), QMessageBox.ButtonRole.RejectRole)
 
         msg.exec()
 

tests/unit/test_config.py

@@ -9,11 +9,14 @@ from webdrop_bridge.config import Config, ConfigurationError
 
 
 @pytest.fixture(autouse=True)
-def clear_env():
+def clear_env(tmp_path):
     """Clear environment variables before each test to avoid persistence."""
     # Save current env
     saved_env = os.environ.copy()
 
+    # Isolate runtime branding state from the developer machine
+    os.environ["WEBDROP_BRANDING_DIR"] = str(tmp_path / "branding")
+
     # Clear relevant variables
     for key in list(os.environ.keys()):
         if key.startswith(

tests/unit/test_main_window.py

@@ -82,6 +82,25 @@ class TestMainWindowInitialization:
         assert window.drag_interceptor is not None
 
 
+class TestSettingsRestartBehavior:
+    """Test restart prompts for settings changes that require a restart."""
+
+    def test_branding_change_prompts_restart(self, qtbot, sample_config):
+        """Changing the active branding should trigger the restart flow."""
+        window = MainWindow(sample_config)
+        qtbot.addWidget(window)
+
+        with patch.object(window, "_handle_branding_change_restart") as mock_restart:
+            with patch("webdrop_bridge.ui.settings_dialog.SettingsDialog") as mock_dialog_cls:
+                mock_dialog = mock_dialog_cls.return_value
+                mock_dialog.exec.side_effect = lambda: setattr(
+                    window.config, "active_branding_id", "agravity"
+                )
+                window._show_settings_dialog()
+
+        mock_restart.assert_called_once()
+
+
 class TestMainWindowDragIntegration:
     """Test drag-and-drop integration."""
 
@@ -228,7 +247,6 @@ class TestMainWindowOpenWith:
             else:
                 raise AssertionError(f"Unexpected call #{call_count[0]} to subprocess.run")
 
-        
         with patch("webdrop_bridge.ui.main_window.sys.platform", "darwin"):
             with patch("webdrop_bridge.ui.main_window.subprocess.run", side_effect=mock_run):
                 assert window._open_with_app_chooser(str(test_file)) is True