Improved WebKit example setup/fallback

src/core/widgets/webkit/index.html

@@ -0,0 +1,36 @@
+<!DOCTYPE html>
+<html lang="en" dir="ltr">
+<head>
+    <meta charset="utf-8">
+    <title>Example</title>
+    <link rel="shortcut icon" href="fave_icon.png">
+    <!-- <link rel="stylesheet" href="resources/css/base.css">-->
+    <!-- <link rel="stylesheet" href="resources/css/main.css">-->
+    <style>
+        html, body {
+            background-color: red;
+            color: white;
+        }
+    </style>
+</head>
+<body>
+
+
+    <h1>Hello, World!</h1>
+
+
+    <!-- <script src="resources/js/.js" charset="utf-8"></script>-->
+    <script>
+        function sayHelloWorld() {
+            console.log("Hello, World!");
+        }
+
+        window.addEventListener("load", () => {
+            window.webkit.messageHandlers.logger.postMessage("Hello, World!");
+
+            // const message = '{"topic": "alert", "content": "' + btoa("Hello, World!") + '"}';
+            // window.webkit.messageHandlers.backend.postMessage(message);
+        });
+    </script>
+</body>
+</html>

src/core/widgets/webkit/webkit_ui.py

@@ -47,7 +47,10 @@ class WebkitUI(WebKit2.WebView):
 
     def _setup_content_manager(self):
         content_manager = self.get_user_content_manager()
-        content_manager.connect("script-message-received", self._process_js_message)
+        # content_manager.connect("script-message-received",  self._process_js_message) # If generic no sub group target
+        content_manager.connect("script-message-received::logger",  self._process_logger_js_message)
+        content_manager.connect("script-message-received::backend", self._process_backend_js_message)
+        content_manager.register_script_message_handler("logger")
         content_manager.register_script_message_handler("backend")
 
     def _on_tls_errors(self, webview, uri, certificate, errors):
@@ -63,7 +66,12 @@ class WebkitUI(WebKit2.WebView):
         webview.load_url(uri)
         return True
 
-    def _process_js_message(self, user_content_manager, js_result):
+    def _process_logger_js_message(self, user_content_manager, js_result):
+        js_value = js_result.get_js_value()
+        message  = js_value.to_string()
+        logger.info(message)
+
+    def _process_backend_js_message(self, user_content_manager, js_result):
         js_value = js_result.get_js_value()
         message  = js_value.to_string()
 
@@ -95,6 +103,9 @@ class WebkitUI(WebKit2.WebView):
         if not path:
             path   = settings_manager.path_manager.get_context_path()
 
+        if not path:
+            path = str( Path(__file__).parent )
+
         base_path  = Path(path)
         index_file = base_path / "index.html"