[EdgeChromium] Fix alert

Author: r0x0r

webview/js/alert.py

@@ -4,7 +4,13 @@
 
 src = """
 window.alert = function(message) {
-    window.external.alert(message);
+    var platform = '%(platform)s';
+
+        if (platform == 'edgechromium') {
+        window.chrome.webview.postMessage(['_pywebviewAlert', pywebview._stringify(message), 'alert']);    } else {
+        window.external.alert(message);
+    }
+
 };
 
 """

webview/platforms/edgechromium.py

@@ -9,6 +9,7 @@
 
 from webview import _settings, settings as webview_settings
 from webview.dom import _dnd_state
+from webview.js import alert
 from webview.js.css import disable_text_select
 from webview.util import DEFAULT_HTML, create_cookie, interop_dll_path, js_bridge_call, inject_pywebview
 
@@ -172,7 +173,7 @@ def on_script_notify(self, _, args):
 
             func_name, func_param, value_id = json.loads(return_value)
             func_param = json.loads(func_param)
-            if func_name == 'alert':
+            if func_name == '_pywebviewAlert':
                 WinForms.MessageBox.Show(func_param)
             elif func_name == 'console':
                 print(func_param)
@@ -265,6 +266,7 @@ def on_navigation_completed(self, sender, _):
         self.url = None if self.ishtml else url
 
         self.web_view.ExecuteScriptAsync(inject_pywebview(self.pywebview_window, 'chromium'))
+        self.web_view.ExecuteScriptAsync(alert.src % {'platform': 'edgechromium'})
 
         if not self.pywebview_window.text_select:
             self.web_view.ExecuteScriptAsync(disable_text_select)

webview/platforms/mshtml.py

@@ -209,7 +209,7 @@ def on_navigating(self, _, args):
 
     def on_document_completed(self, _, args):
         document = self.web_view.Document
-        document.InvokeScript('eval', (alert.src,))
+        document.InvokeScript('eval', (alert.src % {'platform': 'mshtml'}))
 
         if _settings['debug']:
             document.InvokeScript(