try to add linux webview support

lib/component/webview/web_info.dart

@@ -1,6 +1,6 @@
-import 'package:flutter_inappwebview/flutter_inappwebview.dart';
 
 import '../../data/browser_history.dart';
+import 'webview_controller_interface.dart';
 
 class WebInfo {
   String id;
@@ -9,7 +9,7 @@ class WebInfo {
 
   WebInfo(this.id, this.url);
 
-  InAppWebViewController? controller;
+  WebviewControllerInterface? controller;
 
   String? title;
 

lib/component/webview/webview_component.dart

@@ -53,7 +53,7 @@ class _WebViewComponent extends State<WebViewComponent>
     iframeAllow: "camera; microphone",
     iframeAllowFullscreen: true,
     userAgent:
-        "${Base.APP_NAME} ${PlatformUtil.getPlatformName()} ${Base.VERSION_NAME}",
+        Base.USER_AGENT,
   );
 
   PullToRefreshController? pullToRefreshController;

lib/component/webview/webview_controller.dart

@@ -0,0 +1,61 @@
+
+import 'package:flutter_inappwebview/flutter_inappwebview.dart';
+import 'package:nowser/component/webview/webview_controller_interface.dart';
+
+class WebviewController extends WebviewControllerInterface {
+
+  InAppWebViewController controller;
+
+  WebviewController(this.controller);
+
+  @override
+  Future<void> reload() async {
+    await controller.reload();
+  }
+
+  @override
+  Future<void> goBack() async {
+    await controller.goBack();
+  }
+
+  @override
+  Future<bool> canGoBack() async {
+    return await controller.canGoBack();
+  }
+
+  @override
+  Future<void> goForward() async {
+    await controller.goForward();
+  }
+
+  @override
+  Future<Uri?> getUrl() async {
+    var webUrl = await controller.getUrl();
+    try {
+      if (webUrl != null) {
+        return webUrl.uriValue;
+      }
+    } catch (e) {}
+    return null;
+  }
+
+  @override
+  Future<String?> getFavicon() async {
+    var favicons = await controller.getFavicons();
+    if (favicons.isNotEmpty) {
+      return favicons.first.url.toString();
+    }
+    return null;
+  }
+
+  @override
+  Future<void> loadUrl(String url) async {
+    await controller.loadUrl(urlRequest: URLRequest(url: WebUri(url)));
+  }
+  
+  @override
+  Future<String?> getTitle() async {
+    return controller.getTitle();
+  }
+
+}

lib/component/webview/webview_controller_interface.dart

@@ -0,0 +1,20 @@
+
+abstract class WebviewControllerInterface {
+
+  Future<void> reload();
+
+  Future<void> goBack();
+
+  Future<bool> canGoBack();
+
+  Future<void> goForward();
+
+  Future<Uri?> getUrl();
+
+  Future<String?> getFavicon();
+
+  Future<void> loadUrl(String url);
+
+  Future<String?> getTitle();
+
+}

lib/component/webview/webview_linux_component.dart

@@ -0,0 +1,420 @@
+import 'dart:convert';
+
+import 'package:flutter/material.dart';
+import 'package:nostr_sdk/event.dart';
+import 'package:nostr_sdk/utils/string_util.dart';
+import 'package:nowser/component/webview/web_info.dart';
+import 'package:nowser/const/app_type.dart';
+import 'package:nowser/const/auth_type.dart';
+import 'package:nowser/main.dart';
+import 'package:nowser/provider/permission_check_mixin.dart';
+import 'package:webview_cef/webview_cef.dart';
+import 'package:webview_cef/src/webview_inject_user_script.dart';
+
+import '../../data/app.dart';
+
+class WebViewLinuxComponent extends StatefulWidget {
+  WebInfo webInfo;
+
+  Function(WebInfo, WebViewController) onWebViewCreated;
+
+  Function(WebInfo, WebViewController, String?) onTitleChanged;
+
+  Function(WebInfo, WebViewController, String?) onUrlChanged;
+
+  Function(WebInfo, WebViewController) onLoadStop;
+
+  WebViewLinuxComponent(
+    this.webInfo,
+    this.onWebViewCreated,
+    this.onTitleChanged,
+    this.onUrlChanged,
+    this.onLoadStop,
+  );
+
+  @override
+  State<StatefulWidget> createState() {
+    return _WebViewLinuxComponent();
+  }
+}
+
+class _WebViewLinuxComponent extends State<WebViewLinuxComponent>
+    with PermissionCheckMixin {
+  late WebViewController controller;
+
+  double progress = 0;
+
+  Set<JavascriptChannel> javascriptChannels = {};
+
+  InjectUserScripts injectScript = InjectUserScripts();
+
+  String url = "";
+
+  String title = "";
+
+  @override
+  void initState() {
+    super.initState();
+
+    initInjectScript();
+    initJSHandle();
+
+    controller = WebviewManager().createWebView(
+        loading: const Text("Loading"),
+        injectUserScripts: injectScript);
+    controller.setWebviewListener(WebviewEventsListener(
+      onTitleChanged: (title) {
+        title = title;
+        widget.onTitleChanged(widget.webInfo, controller, title);
+      },
+      onUrlChanged: (url) {
+        url = url;
+        widget.onUrlChanged(widget.webInfo, controller, url);
+      },
+      onConsoleMessage: (int level, String message, String source, int line) {
+        print("$level $source $line $message");
+      },
+      // onLoadStart: (controller, url) {
+      // },
+      onLoadEnd: (controller, url) {
+        widget.onLoadStop(widget.webInfo, controller);
+      },
+    ));
+
+    controller.initialize(widget.webInfo.url).then((v) {
+      controller.setJavaScriptChannels(javascriptChannels);
+      setState(() {
+        inited = true;
+      });
+
+      // controller.openDevTools();
+    });
+  }
+
+  var inited = false;
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      child: inited ? controller.webviewWidget : controller.loadingWidget,
+    );
+  }
+
+  Future<void> nip07Reject(String resultId, String contnet) async {
+    var script = "window.nostr.reject(\"$resultId\", \"${contnet}\");";
+    await controller.executeJavaScript(script);
+  }
+
+  void initJSHandle() {
+    javascriptChannels.add(JavascriptChannel(name: "NowserJSgetPublicKey",
+      onMessageReceived: (javascriptMessage) async {
+      var jsMsg = javascriptMessage.message;
+        print("NowserJSgetPublicKey $jsMsg");
+        var jsonObj = jsonDecode(jsMsg);
+        var resultId = jsonObj["resultId"];
+
+        String? code = await getCode();
+        if (code == null) {
+          return;
+        }
+
+        checkPermission(context, AppType.WEB, code, AuthType.GET_PUBLIC_KEY,
+            (app) {
+          nip07Reject(resultId, "Forbid");
+        }, (app, signer) {
+          print("confirm get pubkey");
+          var pubkey = app.pubkey;
+          var script = "window.nostr.callback(\"$resultId\", \"$pubkey\");";
+          controller.executeJavaScript(script);
+        });
+      },)
+    );
+    javascriptChannels.add(JavascriptChannel(name: "NowserJSsignEvent",
+      onMessageReceived: (javascriptMessage) async {
+      var jsMsg = javascriptMessage.message;
+        print("NowserJSsignEvent $jsMsg");
+        var jsonObj = jsonDecode(jsMsg);
+        var resultId = jsonObj["resultId"];
+        var content = jsonObj["msg"];
+
+        String? code = await getCode();
+        if (code == null) {
+          return;
+        }
+
+        try {
+          var eventObj = jsonDecode(content);
+          var eventKind = eventObj["kind"];
+          if (eventKind is int) {
+            checkPermission(context, AppType.WEB, code, AuthType.SIGN_EVENT,
+                eventKind: eventKind, authDetail: content, (app) {
+              nip07Reject(resultId, "Forbid");
+            }, (app, signer) async {
+              var tags = eventObj["tags"];
+              Event? event = Event(app.pubkey!, eventObj["kind"], tags ?? [],
+                  eventObj["content"],
+                  createdAt: eventObj["created_at"]);
+              event = await signer.signEvent(event);
+              if (event == null) {
+                return;
+              }
+
+              var eventResultStr = jsonEncode(event.toJson());
+              // TODO this method to handle " may be error
+              eventResultStr = eventResultStr.replaceAll("\"", "\\\"");
+              var script =
+                  "window.nostr.callback(\"$resultId\", JSON.parse(\"$eventResultStr\"));";
+              controller.executeJavaScript(script);
+            });
+          }
+        } catch (e) {
+          nip07Reject(resultId, "Sign fail");
+        }
+      },)
+    );
+    javascriptChannels.add(JavascriptChannel(name: "NowserJSgetRelays",
+      onMessageReceived: (javascriptMessage) async {
+      var jsMsg = javascriptMessage.message;
+        print("NowserJSgetRelays $jsMsg");
+        var jsonObj = jsonDecode(jsMsg);
+        var resultId = jsonObj["resultId"];
+
+        String? code = await getCode();
+        if (code == null) {
+          return;
+        }
+
+        checkPermission(context, AppType.WEB, code, AuthType.GET_RELAYS, (app) {
+          nip07Reject(resultId, "Forbid");
+        }, (app, signer) {
+          // TODO handle getRelays
+          // var app = appProvider.getApp(AppType.WEB, code);
+          // if (app != null) {
+          //   var relayMaps = {};
+          //   var relayAddrs = relayProvider.relayAddrs;
+          //   for (var relayAddr in relayAddrs) {
+          //     relayMaps[relayAddr] = {"read": true, "write": true};
+          //   }
+          //   var resultStr = jsonEncode(relayMaps);
+          //   resultStr = resultStr.replaceAll("\"", "\\\"");
+          //   var script =
+          //       "window.nostr.callback(\"$resultId\", JSON.parse(\"$resultStr\"));";
+          //   webViewController!.evaluateJavascript(source: script);
+          // }
+        });
+      },)
+    );
+    javascriptChannels.add(JavascriptChannel(name: "NowserJSnip04encrypt",
+      onMessageReceived: (javascriptMessage) async {
+      var jsMsg = javascriptMessage.message;
+        print("NowserJSnip04encrypt $jsMsg");
+        var jsonObj = jsonDecode(jsMsg);
+        var resultId = jsonObj["resultId"];
+        var msg = jsonObj["msg"];
+        if (msg != null && msg is Map) {
+          var pubkey = msg["pubkey"];
+          var plaintext = msg["plaintext"];
+
+          String? code = await getCode();
+          if (code == null) {
+            return;
+          }
+
+          checkPermission(context, AppType.WEB, code, AuthType.NIP04_ENCRYPT,
+              (app) {
+            nip07Reject(resultId, "Forbid");
+          }, (app, signer) async {
+            var resultStr = await signer.encrypt(pubkey, plaintext);
+            if (StringUtil.isBlank(resultStr)) {
+              return;
+            }
+            var script =
+                "window.nostr.callback(\"$resultId\", \"$resultStr\");";
+            controller.executeJavaScript(script);
+          });
+        }
+      },)
+    );
+    javascriptChannels.add(JavascriptChannel(name: "NowserJSnip04decrypt",
+      onMessageReceived: (javascriptMessage) async {
+      var jsMsg = javascriptMessage.message;
+        print("NowserJSnip04decrypt $jsMsg");
+        var jsonObj = jsonDecode(jsMsg);
+        var resultId = jsonObj["resultId"];
+        var msg = jsonObj["msg"];
+        if (msg != null && msg is Map) {
+          var pubkey = msg["pubkey"];
+          var ciphertext = msg["ciphertext"];
+
+          String? code = await getCode();
+          if (code == null) {
+            return;
+          }
+
+          checkPermission(context, AppType.WEB, code, AuthType.NIP04_DECRYPT,
+              (app) {
+            nip07Reject(resultId, "Forbid");
+          }, (app, signer) async {
+            var app = appProvider.getApp(AppType.WEB, code);
+            if (app != null) {
+              var resultStr = await signer.decrypt(pubkey, ciphertext);
+              if (StringUtil.isBlank(resultStr)) {
+                return;
+              }
+              var script =
+                  "window.nostr.callback(\"$resultId\", \"$resultStr\");";
+              controller.executeJavaScript(script);
+            }
+          });
+        }
+      },)
+    );
+    javascriptChannels.add(JavascriptChannel(name: "NowserJSnip44encrypt",
+      onMessageReceived: (javascriptMessage) async {
+      var jsMsg = javascriptMessage.message;
+        print("NowserJSnip44encrypt $jsMsg");
+        var jsonObj = jsonDecode(jsMsg);
+        var resultId = jsonObj["resultId"];
+        var msg = jsonObj["msg"];
+        if (msg != null && msg is Map) {
+          var pubkey = msg["pubkey"];
+          var plaintext = msg["plaintext"];
+
+          String? code = await getCode();
+          if (code == null) {
+            return;
+          }
+
+          checkPermission(context, AppType.WEB, code, AuthType.NIP44_ENCRYPT,
+              (app) {
+            nip07Reject(resultId, "Forbid");
+          }, (app, signer) async {
+            var resultStr = await signer.nip44Encrypt(pubkey, plaintext);
+            if (StringUtil.isBlank(resultStr)) {
+              return;
+            }
+            var script =
+                "window.nostr.callback(\"$resultId\", \"$resultStr\");";
+            controller.executeJavaScript(script);
+          });
+        }
+      },)
+    );
+    javascriptChannels.add(JavascriptChannel(name: "NowserJSnip44decrypt",
+      onMessageReceived: (javascriptMessage) async {
+      var jsMsg = javascriptMessage.message;
+        print("NowserJSnip44decrypt $jsMsg");
+        var jsonObj = jsonDecode(jsMsg);
+        var resultId = jsonObj["resultId"];
+        var msg = jsonObj["msg"];
+        if (msg != null && msg is Map) {
+          var pubkey = msg["pubkey"];
+          var ciphertext = msg["ciphertext"];
+
+          String? code = await getCode();
+          if (code == null) {
+            return;
+          }
+
+          checkPermission(context, AppType.WEB, code, AuthType.NIP44_DECRYPT,
+              (app) {
+            nip07Reject(resultId, "Forbid");
+          }, (app, signer) async {
+            var resultStr = await signer.nip44Decrypt(pubkey, ciphertext);
+            if (StringUtil.isBlank(resultStr)) {
+              return;
+            }
+            var script =
+                "window.nostr.callback(\"$resultId\", \"$resultStr\");";
+            controller.executeJavaScript(script);
+          });
+        }
+      },)
+    );
+  }
+
+  void initInjectScript() {
+    injectScript.add(UserScript("""
+window.nostr = {
+_call(channel, message) {
+    return new Promise((resolve, reject) => {
+        var resultId = "callbackResult_" + Math.floor(Math.random() * 100000000);
+        var arg = {"resultId": resultId};
+        if (message) {
+            arg["msg"] = message;
+        }
+        // var argStr = JSON.stringify(arg);
+        // window.flutter_inappwebview
+        //               .callHandler(channel, argStr);
+        channel(arg);
+        window.nostr._requests[resultId] = {resolve, reject}
+    });
+},
+_requests: {},
+callback(resultId, message) {
+    window.nostr._requests[resultId].resolve(message);
+},
+reject(resultId, message) {
+    window.nostr._requests[resultId].reject(message);
+},
+async getPublicKey() {
+    return window.nostr._call(NowserJSgetPublicKey);
+},
+async signEvent(event) {
+    return window.nostr._call(NowserJSsignEvent, JSON.stringify(event));
+},
+async getRelays() {
+    return window.nostr._call(NowserJSgetRelays);
+},
+nip04: {
+  async encrypt(pubkey, plaintext) {
+    return window.nostr._call(NowserJSnip04encrypt, {"pubkey": pubkey, "plaintext": plaintext});
+  },
+  async decrypt(pubkey, ciphertext) {
+      return window.nostr._call(NowserJSnip04decrypt, {"pubkey": pubkey, "ciphertext": ciphertext});
+  },
+},
+nip44: {
+  async encrypt(pubkey, plaintext) {
+    return window.nostr._call(NowserJSnip44encrypt, {"pubkey": pubkey, "plaintext": plaintext});
+  },
+  async decrypt(pubkey, ciphertext) {
+      return window.nostr._call(NowserJSnip44decrypt, {"pubkey": pubkey, "ciphertext": ciphertext});
+  },
+},
+};
+""", ScriptInjectTime.LOAD_START));
+// injectScript.add(UserScript("console.log(window.nostr);", ScriptInjectTime.LOAD_END));
+  }
+
+  Future<String?> getCode() async {
+    if (StringUtil.isBlank(url)) {
+      url = widget.webInfo.url;
+    }
+
+    if (StringUtil.isNotBlank(url)) {
+      var uri = Uri.parse(url);
+      return uri.host;
+    }
+
+    return null;
+  }
+
+  @override
+  Future<App> getApp(int appType, String code) async {
+    String? name = title;
+    String? image;
+    // var favicons = await webViewController!.getFavicons();
+    // if (favicons.isNotEmpty) {
+    //   image = favicons.first.url.toString();
+    // }
+    return App(appType: appType, code: code, name: name, image: image);
+  }
+
+  @override
+  void dispose() {
+    super.dispose();
+    controller.dispose();
+  }
+
+}

lib/component/webview/webview_linux_controller.dart

@@ -0,0 +1,70 @@
+
+
+import 'package:webview_cef/webview_cef.dart';
+
+import 'webview_controller_interface.dart';
+
+class WebviewLinuxController extends WebviewControllerInterface {
+
+  WebViewController controller;
+
+  WebviewLinuxController(this.controller);
+
+  @override
+  Future<void> reload() async {
+    await controller.reload();
+  }
+
+  @override
+  Future<void> goBack() async {
+    await controller.goBack();
+  }
+
+  @override
+  Future<bool> canGoBack() async {
+    return true;
+  }
+
+  @override
+  Future<void> goForward() async {
+    await controller.goForward();
+  }
+
+  @override
+  Future<Uri?> getUrl() async {
+    try {
+      if (url != null) {
+        return Uri.parse(url!);
+      }
+    } catch (e) {}
+    return null;
+  }
+
+  @override
+  Future<String?> getFavicon() async {
+    return null;
+  }
+
+  @override
+  Future<void> loadUrl(String url) async {
+    await controller.loadUrl(url);
+  }
+  
+  @override
+  Future<String?> getTitle() async {
+    return title;
+  }
+
+  String? title;
+
+  String? url;
+
+  void setTitle(String title) {
+    title = title;
+  }
+
+  void setUrl(String url) {
+    url = url;
+  }
+
+}

lib/const/base.dart

@@ -1,3 +1,5 @@
+import 'package:nostr_sdk/utils/platform_util.dart';
+
 class Base {
   static const APP_NAME = "Nowser";
 
@@ -8,4 +10,6 @@ class Base {
   static const double BASE_PADDING_HALF = 6;
 
   static double BASE_FONT_SIZE = 15;
+
+  static String USER_AGENT = "${Base.APP_NAME} ${PlatformUtil.getPlatformName()} ${Base.VERSION_NAME}";
 }

lib/main.dart

@@ -1,5 +1,6 @@
 import 'dart:async';
 import 'dart:developer';
+import 'dart:io';
 
 import 'package:bot_toast/bot_toast.dart';
 import 'package:flutter/material.dart';
@@ -34,6 +35,7 @@ import 'package:provider/provider.dart';
 import 'package:quick_actions/quick_actions.dart';
 import 'package:receive_intent/receive_intent.dart' as receiveIntent;
 import 'package:sqflite_common_ffi/sqflite_ffi.dart';
+import 'package:webview_cef/webview_cef.dart';
 import 'package:window_manager/window_manager.dart';
 
 import 'const/base.dart';
@@ -105,6 +107,10 @@ Future<void> main() async {
     print(e);
   }
 
+  if (Platform.isLinux) {
+    WebviewManager().initialize(userAgent: Base.USER_AGENT);
+  }
+
   await doInit();
 
   mediaDataCache = MediaDataCache();

lib/provider/web_provider.dart

@@ -1,3 +1,5 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_inappwebview/flutter_inappwebview.dart';
 import 'package:nostr_sdk/utils/string_util.dart';
@@ -161,21 +163,26 @@ class WebProvider extends ChangeNotifier {
     }
 
     try {
+      String? urlStr;
       var url = await webInfo.controller!.getUrl();
       if (url == null) {
+        if (Platform.isLinux) {
+          urlStr = webInfo.url;
+        }
+      } else {
+        urlStr = url.toString();
+      }
+
+      if (urlStr == null) {
         return;
       }
 
       var title = await webInfo.controller!.getTitle();
-      var favicons = await webInfo.controller!.getFavicons();
+      String? favicon = await webInfo.controller!.getFavicon();
-      String? favicon;
-      if (favicons.isNotEmpty) {
-        favicon = favicons.first.url.toString();
-      }
       var browserHistory = BrowserHistory(
         title: title,
         favicon: favicon,
-        url: url.toString(),
+        url: urlStr,
         createdAt: DateTime.now().millisecondsSinceEpoch ~/ 1000,
       );
       if (webInfo.browserHistory != null &&
@@ -226,7 +233,7 @@ class WebProvider extends ChangeNotifier {
       webInfo.url = url;
       webInfo.title = null;
       if (webInfo.controller != null) {
-        webInfo.controller!.loadUrl(urlRequest: URLRequest(url: WebUri(url)));
+        webInfo.controller!.loadUrl(url);
         return true;
       } else {
         updateWebInfo(webInfo);

lib/router/index/index_web_component.dart

@@ -1,8 +1,13 @@
+import 'dart:io';
+
 import 'package:flutter/material.dart';
 import 'package:flutter_inappwebview/flutter_inappwebview.dart';
 import 'package:nostr_sdk/utils/string_util.dart';
 import 'package:nowser/component/webview/web_info.dart';
 import 'package:nowser/component/webview/webview_component.dart';
+import 'package:nowser/component/webview/webview_controller.dart';
+import 'package:nowser/component/webview/webview_linux_component.dart';
+import 'package:nowser/component/webview/webview_linux_controller.dart';
 import 'package:nowser/const/base.dart';
 import 'package:nowser/const/router_path.dart';
 import 'package:nowser/main.dart';
@@ -53,17 +58,48 @@ class _IndexWebComponent extends State<IndexWebComponent> {
       return WebHomeComponent(webInfo);
     }
 
-    var webComp = WebViewComponent(
+    Widget? webComp;
+    if (!Platform.isLinux) {
+      webComp = WebViewComponent(
         webInfo,
         (webInfo, controller) {
-          webInfo.controller = controller;
+          webInfo.controller = WebviewController(controller);
           webProvider.updateWebInfo(webInfo);
         },
         onTitleChanged,
         (webInfo, controller) {
-          webInfo.controller = controller;
+          webInfo.controller = WebviewController(controller);
           webProvider.onLoadStop(webInfo);
         });
+    } else {
+      webComp = WebViewLinuxComponent(
+        webInfo,
+        (webInfo, controller) {
+          webInfo.controller = WebviewLinuxController(controller);
+          webProvider.updateWebInfo(webInfo);
+        },
+        (webInfo, controller, title) {
+          if (webInfo.controller is WebviewLinuxController && StringUtil.isNotBlank(title)) {
+            (webInfo.controller as WebviewLinuxController).setTitle(title!);
+            webInfo.title = title;
+            webProvider.updateWebInfo(webInfo);
+          }
+        },
+        (webInfo, controller, url) {
+          if (webInfo.controller is WebviewLinuxController && StringUtil.isNotBlank(url)) {
+            print("url change! $url");
+            (webInfo.controller as WebviewLinuxController).setUrl(url!);
+            webInfo.url = url;
+          }
+        },
+        (webInfo, controller) async {
+          webInfo.controller ??= WebviewLinuxController(controller);
+          var title = await webInfo.controller!.getTitle();
+          webInfo.title = title;
+          webProvider.onLoadStop(webInfo);
+        });
+    }
+    
 
     var main = webComp;
 
@@ -78,7 +114,7 @@ class _IndexWebComponent extends State<IndexWebComponent> {
 
   void onTitleChanged(
       WebInfo webInfo, InAppWebViewController controller, String? title) {
-    webInfo.controller = controller;
+    webInfo.controller = WebviewController(controller);
     webInfo.title = title;
     webProvider.updateWebInfo(webInfo);
   }

lib/router/web_tabs_select/web_tabs_select_item_component.dart

@@ -25,10 +25,10 @@ class _WebTabsSelectItemComponent extends State<WebTabsSelectItemComponent> {
 
   Future<void> loadFavicon() async {
     if (widget.webInfo.controller != null) {
-      var favicons = await widget.webInfo.controller!.getFavicons();
+      var favicon = await widget.webInfo.controller!.getFavicon();
-      if (favicons.isNotEmpty) {
+      if (StringUtil.isNotBlank(favicon)) {
         setState(() {
-          faviconUrl = favicons.first.url.toString();
+          faviconUrl = favicon;
         });
       }
     }

linux/flutter/generated_plugin_registrant.cc

@@ -8,6 +8,7 @@
 
 #include <flutter_secure_storage_linux/flutter_secure_storage_linux_plugin.h>
 #include <screen_retriever_linux/screen_retriever_linux_plugin.h>
+#include <webview_cef/webview_cef_plugin.h>
 #include <window_manager/window_manager_plugin.h>
 
 void fl_register_plugins(FlPluginRegistry* registry) {
@@ -17,6 +18,9 @@ void fl_register_plugins(FlPluginRegistry* registry) {
   g_autoptr(FlPluginRegistrar) screen_retriever_linux_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "ScreenRetrieverLinuxPlugin");
   screen_retriever_linux_plugin_register_with_registrar(screen_retriever_linux_registrar);
+  g_autoptr(FlPluginRegistrar) webview_cef_registrar =
+      fl_plugin_registry_get_registrar_for_plugin(registry, "WebviewCefPlugin");
+  webview_cef_plugin_register_with_registrar(webview_cef_registrar);
   g_autoptr(FlPluginRegistrar) window_manager_registrar =
       fl_plugin_registry_get_registrar_for_plugin(registry, "WindowManagerPlugin");
   window_manager_plugin_register_with_registrar(window_manager_registrar);

linux/flutter/generated_plugins.cmake

@@ -5,6 +5,7 @@
 list(APPEND FLUTTER_PLUGIN_LIST
   flutter_secure_storage_linux
   screen_retriever_linux
+  webview_cef
   window_manager
 )
 

linux/main.cc

@@ -1,6 +1,8 @@
+#include <webview_cef/webview_cef_plugin.h>
 #include "my_application.h"
 
 int main(int argc, char** argv) {
+  initCEFProcesses(argc, argv);
   g_autoptr(MyApplication) app = my_application_new();
   return g_application_run(G_APPLICATION(app), argc, argv);
 }

linux/my_application.cc

@@ -6,6 +6,7 @@
 #endif
 
 #include "flutter/generated_plugin_registrant.h"
+#include <webview_cef/webview_cef_plugin.h>
 
 struct _MyApplication {
   GtkApplication parent_instance;
@@ -54,6 +55,8 @@ static void my_application_activate(GApplication* application) {
   fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments);
 
   FlView* view = fl_view_new(project);
+  g_signal_connect(view, "key_press_event", G_CALLBACK(processKeyEventForCEF), nullptr);
+  g_signal_connect(view, "key_release_event", G_CALLBACK(processKeyEventForCEF), nullptr);
   gtk_widget_show(GTK_WIDGET(view));
   gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
 

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -13,6 +13,7 @@ import path_provider_foundation
 import screen_retriever_macos
 import shared_preferences_foundation
 import sqflite_darwin
+import webview_cef
 import window_manager
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
@@ -24,5 +25,6 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   ScreenRetrieverMacosPlugin.register(with: registry.registrar(forPlugin: "ScreenRetrieverMacosPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
   SqflitePlugin.register(with: registry.registrar(forPlugin: "SqflitePlugin"))
+  WebviewCefPlugin.register(with: registry.registrar(forPlugin: "WebviewCefPlugin"))
   WindowManagerPlugin.register(with: registry.registrar(forPlugin: "WindowManagerPlugin"))
 }

pubspec.lock

@@ -133,10 +133,10 @@ packages:
     dependency: transitive
     description:
       name: collection
-      sha256: a1ace0a119f20aabc852d165077c036cd864315bd99b7eaa10a60100341941bf
+      sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a
       url: "https://pub.dev"
     source: hosted
-    version: "1.19.0"
+    version: "1.18.0"
   convert:
     dependency: transitive
     description:
@@ -431,10 +431,10 @@ packages:
     dependency: "direct main"
     description:
       name: flutter_slidable
-      sha256: ab7dbb16f783307c9d7762ede2593ce32c220ba2ba0fd540a3db8e9a3acba71a
+      sha256: a857de7ea701f276fd6a6c4c67ae885b60729a3449e42766bb0e655171042801
       url: "https://pub.dev"
     source: hosted
-    version: "4.0.0"
+    version: "3.1.2"
   flutter_socks_proxy:
     dependency: transitive
     description:
@@ -529,18 +529,18 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "7bb2830ebd849694d1ec25bf1f44582d6ac531a57a365a803a6034ff751d2d06"
+      sha256: "3f87a60e8c63aecc975dda1ceedbc8f24de75f09e4856ea27daf8958f2f0ce05"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.7"
+    version: "10.0.5"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: "9491a714cca3667b60b5c420da8217e6de0d1ba7a5ec322fab01758f6998f379"
+      sha256: "932549fb305594d82d7183ecd9fa93463e9914e1b67cacc34bc40906594a1806"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.8"
+    version: "3.0.5"
   leak_tracker_testing:
     dependency: transitive
     description:
@@ -863,10 +863,10 @@ packages:
     dependency: "direct main"
     description:
       name: searchfield
-      sha256: "9d091c2731868926e2aeb9ac551d1b9116a4533a424373119509d754ae0d0f45"
+      sha256: "8d23d53967ac5b0774611150b286dacd70c9c5de74d3db433bda2104b4803755"
       url: "https://pub.dev"
     source: hosted
-    version: "1.2.4"
+    version: "1.2.0"
   shared_preferences:
     dependency: "direct main"
     description:
@@ -927,7 +927,7 @@ packages:
     dependency: transitive
     description: flutter
     source: sdk
-    version: "0.0.0"
+    version: "0.0.99"
   source_span:
     dependency: transitive
     description:
@@ -1012,10 +1012,10 @@ packages:
     dependency: transitive
     description:
       name: stack_trace
-      sha256: "9f47fd3630d76be3ab26f0ee06d213679aa425996925ff3feffdec504931c377"
+      sha256: "73713990125a6d93122541237550ee3352a2d84baad52d375a4cad2eb9b7ce0b"
       url: "https://pub.dev"
     source: hosted
-    version: "1.12.0"
+    version: "1.11.1"
   stream_channel:
     dependency: transitive
     description:
@@ -1028,10 +1028,10 @@ packages:
     dependency: transitive
     description:
       name: string_scanner
-      sha256: "688af5ed3402a4bde5b3a6c15fd768dbf2621a614950b17f04626c431ab3c4c3"
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
+    version: "1.2.0"
   string_validator:
     dependency: transitive
     description:
@@ -1060,10 +1060,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: "664d3a9a64782fcdeb83ce9c6b39e78fd2971d4e37827b9b06c3aa1edc5e760c"
+      sha256: "5b8a98dafc4d5c4c9c72d8b31ab2b23fc13422348d2997120294d3bac86b4ddb"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.3"
+    version: "0.7.2"
   typed_data:
     dependency: transitive
     description:
@@ -1100,10 +1100,10 @@ packages:
     dependency: transitive
     description:
       name: vm_service
-      sha256: f6be3ed8bd01289b34d679c2b62226f63c0e69f9fd2e50a6b3c1c729a961041b
+      sha256: "5c5f338a667b4c644744b661f309fb8080bb94b18a7e91ef1dbd343bed00ed6d"
       url: "https://pub.dev"
     source: hosted
-    version: "14.3.0"
+    version: "14.2.5"
   web:
     dependency: transitive
     description:
@@ -1128,6 +1128,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.0.1"
+  webview_cef:
+    dependency: "direct main"
+    description:
+      name: webview_cef
+      sha256: "2e660bf593dc1168beb7b765dd477a703e0b29968669f017e178c2c716f6437f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.2"
   win32:
     dependency: transitive
     description:
@@ -1177,5 +1185,5 @@ packages:
     source: hosted
     version: "3.1.2"
 sdks:
-  dart: ">=3.6.0 <4.0.0"
+  dart: ">=3.5.3 <4.0.0"
-  flutter: ">=3.27.0"
+  flutter: ">=3.24.0"

pubspec.yaml

@@ -50,12 +50,13 @@ dependencies:
   flutter_secure_storage: ^9.2.2
   pretty_qr_code: ^3.3.0
   qr_code_scanner: ^1.0.1
-  flutter_slidable: ^4.0.0
+  flutter_slidable: ^3.1.1
   window_manager: ^0.4.2
   quick_actions: ^1.0.8
   flutter_pinned_shortcut_plus: ^0.0.2
   flutter_cache_manager: ^3.4.1
-  searchfield: ^1.2.4
+  searchfield: 1.2.0
+  webview_cef: ^0.2.2
 
 dev_dependencies:
   flutter_launcher_icons: ^0.13.1

windows/flutter/generated_plugin_registrant.cc

@@ -9,6 +9,7 @@
 #include <flutter_inappwebview_windows/flutter_inappwebview_windows_plugin_c_api.h>
 #include <flutter_secure_storage_windows/flutter_secure_storage_windows_plugin.h>
 #include <screen_retriever_windows/screen_retriever_windows_plugin_c_api.h>
+#include <webview_cef/webview_cef_plugin_c_api.h>
 #include <window_manager/window_manager_plugin.h>
 
 void RegisterPlugins(flutter::PluginRegistry* registry) {
@@ -18,6 +19,8 @@ void RegisterPlugins(flutter::PluginRegistry* registry) {
       registry->GetRegistrarForPlugin("FlutterSecureStorageWindowsPlugin"));
   ScreenRetrieverWindowsPluginCApiRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("ScreenRetrieverWindowsPluginCApi"));
+  WebviewCefPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("WebviewCefPluginCApi"));
   WindowManagerPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("WindowManagerPlugin"));
 }

windows/flutter/generated_plugins.cmake

@@ -6,6 +6,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
   flutter_inappwebview_windows
   flutter_secure_storage_windows
   screen_retriever_windows
+  webview_cef
   window_manager
 )