WebView fix

Author: AlekUnderwater

webview-stub.js

@@ -1,75 +1,64 @@
 // webview-stub.js — заглушка Web Serial API для WebView
-// Не мешает работе в обычных браузерах с реальным Web Serial API
 (function() {
-    // Проверяем, есть ли уже navigator.serial (в обычном Chrome — есть)
     if (navigator.serial) {
-        console.log('[Stub] Real Web Serial API detected, skipping stub');
+        console.log('[Stub] Real Web Serial API detected, skipping');
         return;
     }
 
-    console.log('[Stub] Creating virtual serial port for WebView');
+    console.log('[Stub] Creating virtual serial port');
 
-    var _port = null;
+    // Сразу создаём порт, чтобы getPorts() всегда его возвращал
+    var _port = {
+        readable: new ReadableStream({
+            start: function(controller) {
+                window._stubController = controller;
+                console.log('[Stub] ReadableStream started');
+            }
+        }),
+        writable: new WritableStream({
+            write: function(chunk) {
+                var text = typeof chunk === 'string' ? chunk : new TextDecoder().decode(chunk);
+                console.log('[Stub] Write:', text);
+                if (window._uartWriteCallback) {
+                    window._uartWriteCallback(text);
+                }
+            }
+        }),
+        open: function(options) {
+            console.log('[Stub] Port opened with', options);
+            return Promise.resolve();
+        },
+        close: function() {
+            console.log('[Stub] Port closed');
+            return Promise.resolve();
+        },
+        getInfo: function() {
+            return {
+                usbVendorId: 0x0403,
+                usbProductId: 0x6001
+            };
+        }
+    };
 
     navigator.serial = {
         requestPort: function(filters) {
             console.log('[Stub] requestPort called', filters);
-            if (!_port) {
-                _port = {
-                    readable: new ReadableStream({
-                        start: function(controller) {
-                            window._stubController = controller;
-                            console.log('[Stub] ReadableStream started');
-                        }
-                    }),
-                    writable: new WritableStream({
-                        write: function(chunk) {
-                            var text = typeof chunk === 'string' ? chunk : new TextDecoder().decode(chunk);
-                            console.log('[Stub] Write:', text);
-                            if (window._uartWriteCallback) {
-                                window._uartWriteCallback(text);
-                            }
-                        }
-                    }),
-                    open: function(options) {
-                        console.log('[Stub] Port opened with', options);
-                        return Promise.resolve();
-                    },
-                    close: function() {
-                        console.log('[Stub] Port closed');
-                        return Promise.resolve();
-                    },
-                    getInfo: function() {
-                        return {
-                            usbVendorId: 0x0403,
-                            usbProductId: 0x6001
-                        };
-                    }
-                };
-            }
             return Promise.resolve(_port);
         },
 
         getPorts: function() {
-            console.log('[Stub] getPorts called');
-            var ports = _port ? [_port] : [];
-            return Promise.resolve(ports);
+            console.log('[Stub] getPorts called, returning 1 port');
+            return Promise.resolve([_port]);
         },
 
         addEventListener: function(event, callback) {
             console.log('[Stub] addEventListener:', event);
-            if (event === 'connect') {
-                // Сразу вызываем callback с виртуальным событием
-                setTimeout(function() {
-                    callback({ target: navigator.serial });
-                }, 100);
-            }
         },
 
         removeEventListener: function(event, callback) {
             console.log('[Stub] removeEventListener:', event);
         }
     };
 
-    console.log('[Stub] Virtual serial port ready');
+    console.log('[Stub] Virtual serial port ready (pre-created)');
 })();