implemented preference setting to launch app in Edge browser

app.py

@@ -79,12 +79,17 @@ def start_eel(npm_serve=True):
         eel.init('web')
 
     # TODO: fetch OSError port in use
+    edge_cmd = f"{os.path.expandvars('%PROGRAMFILES(x86)%')}\\Microsoft\\Edge\\Application\\msedge.exe"
+    start_url = f'http://{host}:{url_port}'
+
     try:
-        eel.start(page, host=host, port=port, block=False, close_callback=close_callback)
+        app_module_prefs = getattr(AppSettings, 'app_preferences', dict()).get('appModules', list())
+        if Path(edge_cmd).exists() and 'edge_preferred' in app_module_prefs:
+            eel.start(page, mode='custom', host=host, port=port, block=False,
+                      cmdline_args=[edge_cmd, '--profile-directory=Default', f'--app={start_url}'])
+        else:
+            eel.start(page, host=host, port=port, block=False, close_callback=close_callback)
     except EnvironmentError:
-        start_url = f'http://{host}:{url_port}'
-        edge_cmd = f"{os.path.expandvars('%PROGRAMFILES(x86)%')}\\Microsoft\\Edge\\Application\\msedge.exe"
-
         # If Chrome isn't found, fallback to Microsoft Chromium Edge
         if Path(edge_cmd).exists():
             logging.info('Falling back to Edge Browser')

vue/src/components/pages/PreferencesPage.vue

@@ -23,7 +23,9 @@
       <b-checkbox-group :options="appOptions" v-model="appModules" @change="save" />
 
       <b-card-text class="mt-3">
-        Weather to play audio feedback when using rf2-headlights or certain actions within the app.
+        Weather to play audio feedback when using rf2-headlights or certain actions within the app.<br />
+        You can prefer the Windows builtin Chromium Edge browser over Google Chrome to render this app.
+        Changes apply after an app restart.
       </b-card-text>
     </b-card>
 
@@ -61,7 +63,8 @@ export default {
       ],
       appModules: ['audio'],
       appOptions: [
-        {text: 'Enable Audio', value: 'audio'}
+        {text: 'Enable Audio', value: 'audio'},
+        {text: 'Prefer Edge Browser', value: 'edge_preferred'}
       ]
     }
   },