updated android safe browsing, updated ios browser and SafariViewController...

updated android safe browsing, updated ios browser and SafariViewController options, added onSafeBrowsingHit event for android

CHANGELOG.md

@@ -18,6 +18,7 @@
 - Added new iOS WebView options: `applicationNameForUserAgent`, `isFraudulentWebsiteWarningEnabled`, `selectionGranularity`, `dataDetectorTypes`, `preferredContentMode`
 - Added `onGeolocationPermissionsShowPrompt` event and `GeolocationPermissionShowPromptResponse` class (available only for Android)
 - Added `startSafeBrowsing`, `setSafeBrowsingWhitelist` and `getSafeBrowsingPrivacyPolicyUrl` methods (available only for Android)
+- Added `onSafeBrowsingHit` event (available only for Android)
 - Added `onJsAlert`, `onJsConfirm` and `onJsPrompt` events to manage javascript popup dialogs
 
 ### BREAKING CHANGES

android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/ContentBlocker/ContentBlockerHandler.java

@@ -10,8 +10,12 @@ import com.pichillilorenzo.flutter_inappbrowser.InAppWebView.InAppWebView;
 
 import java.io.ByteArrayInputStream;
 import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+import java.net.MalformedURLException;
 import java.net.URI;
 import java.net.URISyntaxException;
+import java.net.URL;
+import java.net.URLEncoder;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
@@ -41,11 +45,19 @@ public class ContentBlockerHandler {
         this.ruleList = newRuleList;
     }
 
-    public WebResourceResponse checkUrl(final InAppWebView webView, String url, ContentBlockerTriggerResourceType responseResourceType) throws URISyntaxException, InterruptedException {
+    public WebResourceResponse checkUrl(final InAppWebView webView, String url, ContentBlockerTriggerResourceType responseResourceType) throws URISyntaxException, InterruptedException, MalformedURLException {
         if (webView.options.contentBlockers == null)
             return null;
 
-        URI u = new URI(url);
+        URI u;
+        try {
+            u = new URI(url);
+        } catch (URISyntaxException e) {
+            String[] urlSplitted = url.split(":");
+            String scheme = urlSplitted[0];
+            URL tempUrl = new URL(url.replace(scheme, "https"));
+            u = new URI(scheme, tempUrl.getUserInfo(), tempUrl.getHost(), tempUrl.getPort(), tempUrl.getPath(), tempUrl.getQuery(), tempUrl.getRef());
+        }
         String host = u.getHost();
         int port = u.getPort();
         String scheme = u.getScheme();
@@ -182,12 +194,12 @@ public class ContentBlockerHandler {
         return null;
     }
 
-    public WebResourceResponse checkUrl(final InAppWebView webView, String url) throws URISyntaxException, InterruptedException {
+    public WebResourceResponse checkUrl(final InAppWebView webView, String url) throws URISyntaxException, InterruptedException, MalformedURLException {
         ContentBlockerTriggerResourceType responseResourceType = getResourceTypeFromUrl(webView, url);
         return checkUrl(webView, url, responseResourceType);
     }
 
-    public WebResourceResponse checkUrl(final InAppWebView webView, String url, String contentType) throws URISyntaxException, InterruptedException {
+    public WebResourceResponse checkUrl(final InAppWebView webView, String url, String contentType) throws URISyntaxException, InterruptedException, MalformedURLException {
         ContentBlockerTriggerResourceType responseResourceType = getResourceTypeFromContentType(contentType);
         return checkUrl(webView, url, responseResourceType);
     }

android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/FlutterWebView.java

@@ -3,6 +3,7 @@ package com.pichillilorenzo.flutter_inappbrowser;
 import android.Manifest;
 import android.app.Activity;
 import android.content.Context;
+import android.os.Build;
 import android.util.Log;
 import android.view.View;
 import android.webkit.WebChromeClient;
@@ -226,6 +227,12 @@ public class FlutterWebView implements PlatformView, MethodCallHandler  {
         else
           result.success(false);
         break;
+      case "getSafeBrowsingPrivacyPolicyUrl":
+        if (webView != null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.O_MR1) {
+          result.success(webView.getSafeBrowsingPrivacyPolicyUrl().toString());
+        } else
+          result.success(null);
+        break;
       case "dispose":
         dispose();
         result.success(true);

android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/InAppWebView/InAppWebChromeClient.java

@@ -447,7 +447,7 @@ public class InAppWebChromeClient extends WebChromeClient {
     obj.put("sourceURL", consoleMessage.sourceId());
     obj.put("lineNumber", consoleMessage.lineNumber());
     obj.put("message", consoleMessage.message());
-    obj.put("messageLevel", consoleMessage.messageLevel().toString());
+    obj.put("messageLevel", consoleMessage.messageLevel().ordinal());
     getChannel().invokeMethod("onConsoleMessage", obj);
     return true;
   }

android/src/main/java/com/pichillilorenzo/flutter_inappbrowser/InAppWebView/InAppWebViewClient.java

@@ -10,6 +10,7 @@ import android.util.Log;
 import android.webkit.CookieManager;
 import android.webkit.CookieSyncManager;
 import android.webkit.HttpAuthHandler;
+import android.webkit.SafeBrowsingResponse;
 import android.webkit.SslErrorHandler;
 import android.webkit.ValueCallback;
 import android.webkit.WebResourceRequest;
@@ -306,6 +307,58 @@ public class InAppWebViewClient extends WebViewClient {
     webView.scale = newScale;
   }
 
+  @RequiresApi(api = Build.VERSION_CODES.O_MR1)
+  @Override
+  public void onSafeBrowsingHit(final WebView view, WebResourceRequest request, int threatType, final SafeBrowsingResponse callback) {
+    Map<String, Object> obj = new HashMap<>();
+    if (inAppBrowserActivity != null)
+      obj.put("uuid", inAppBrowserActivity.uuid);
+    obj.put("url", request.getUrl().toString());
+    obj.put("threatType", threatType);
+
+    getChannel().invokeMethod("onSafeBrowsingHit", obj, new MethodChannel.Result() {
+      @Override
+      public void success(Object response) {
+        if (response != null) {
+          Map<String, Object> responseMap = (Map<String, Object>) response;
+          Boolean report = (Boolean) responseMap.get("report");
+          Integer action = (Integer) responseMap.get("action");
+
+          Log.d(LOG_TAG, "\n\nreport: " + report);
+          Log.d(LOG_TAG, "\n\naction: " + action);
+
+          report = report != null ? report : true;
+
+          if (action != null) {
+            switch (action) {
+              case 0:
+                callback.backToSafety(report);
+                return;
+              case 1:
+                callback.proceed(report);
+                return;
+              case 2:
+                callback.showInterstitial(report);
+                return;
+            }
+          }
+        }
+
+        callback.showInterstitial(true);
+      }
+
+      @Override
+      public void error(String s, String s1, Object o) {
+        Log.e(LOG_TAG, s + ", " + s1);
+      }
+
+      @Override
+      public void notImplemented() {
+        callback.showInterstitial(true);
+      }
+    });
+  }
+
   @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
   @Override
   public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request) {

example/lib/inline_example.screen.dart

@@ -65,6 +65,7 @@ class _InlineExampleScreenState extends State<InlineExampleScreen> {
           child: InAppWebView(
             //initialUrl: "https://www.youtube.com/embed/M7lc1UVf-VE?playsinline=1",
             //initialUrl: "https://flutter.dev/",
+            //initialUrl: "chrome://safe-browsing/match?type=malware",
             initialFile: "assets/index.html",
             initialHeaders: {},
             initialOptions: [
@@ -88,6 +89,7 @@ class _InlineExampleScreenState extends State<InlineExampleScreen> {
                 appCacheEnabled: true,
                 domStorageEnabled: true,
                 geolocationEnabled: true,
+                safeBrowsingEnabled: true,
                 //blockNetworkImage: true,
               ),
               iOSInAppWebViewOptions(
@@ -97,6 +99,9 @@ class _InlineExampleScreenState extends State<InlineExampleScreen> {
             onWebViewCreated: (InAppWebViewController controller) {
               webView = controller;
 
+              if (Platform.isAndroid)
+                webView.startSafeBrowsing();
+
               webView.addJavaScriptHandler('handlerFoo', (args) {
                 return new Foo(bar: 'bar_value', baz: 'baz_value');
               });
@@ -142,7 +147,7 @@ class _InlineExampleScreenState extends State<InlineExampleScreen> {
                 sourceURL: ${consoleMessage.sourceURL}
                 lineNumber: ${consoleMessage.lineNumber}
                 message: ${consoleMessage.message}
-                messageLevel: ${consoleMessage.messageLevel}
+                messageLevel: ${consoleMessage.messageLevel.toValue()}
               """);
             },
             onDownloadStart: (InAppWebViewController controller, String url) async {
@@ -210,6 +215,10 @@ class _InlineExampleScreenState extends State<InlineExampleScreen> {
               JsPromptResponseAction action = await createPromptDialog(context, message);
               return new JsPromptResponse(handledByClient: true, action: action, value: _textFieldController.text);
             },
+            onSafeBrowsingHit: (InAppWebViewController controller, String url, SafeBrowsingThreat threatType) async {
+              SafeBrowsingResponseAction action = SafeBrowsingResponseAction.BACK_TO_SAFETY;
+              return new SafeBrowsingResponse(report: true, action: action);
+            },
           ),
         ),
       ),

example/lib/webview_example.screen.dart

@@ -63,7 +63,7 @@ class MyInappBrowser extends InAppBrowser {
       sourceURL: ${consoleMessage.sourceURL}
       lineNumber: ${consoleMessage.lineNumber}
       message: ${consoleMessage.message}
-      messageLevel: ${consoleMessage.messageLevel}
+      messageLevel: ${consoleMessage.messageLevel.toValue()}
    """);
  }
 

lib/src/in_app_browser.dart

@@ -394,6 +394,18 @@ class InAppBrowser {
 
   }
 
+  ///Event fires when the webview notifies that a loading URL has been flagged by Safe Browsing.
+  ///The default behavior is to show an interstitial to the user, with the reporting checkbox visible.
+  ///
+  ///[url] represents the url of the request.
+  ///
+  ///[threatType] represents the reason the resource was caught by Safe Browsing, corresponding to a [SafeBrowsingThreat].
+  ///
+  ///**NOTE**: available only for Android.
+  Future<SafeBrowsingResponse> onSafeBrowsingHit(String url, SafeBrowsingThreat threatType) {
+
+  }
+
   void throwIsAlreadyOpened({String message = ''}) {
     if (this.isOpened()) {
       throw Exception(['Error: ${ (message.isEmpty) ? '' : message + ' '}The browser is already opened.']);

lib/src/in_app_webview.dart

@@ -162,9 +162,20 @@ class InAppWebView extends StatefulWidget {
   ///If [JsPromptResponse.handledByClient] is `true`, the webview will assume that the client will handle the dialog.
   ///
   ///[message] represents the message to be displayed in the alert dialog.
+  ///
   ///[defaultValue] represents the default value displayed in the prompt dialog.
   final onJsPromptCallback onJsPrompt;
 
+  ///Event fires when the webview notifies that a loading URL has been flagged by Safe Browsing.
+  ///The default behavior is to show an interstitial to the user, with the reporting checkbox visible.
+  ///
+  ///[url] represents the url of the request.
+  ///
+  ///[threatType] represents the reason the resource was caught by Safe Browsing, corresponding to a [SafeBrowsingThreat].
+  ///
+  ///**NOTE**: available only for Android.
+  final onSafeBrowsingHitCallback onSafeBrowsingHit;
+
   ///Initial url that will be loaded.
   final String initialUrl;
   ///Initial asset file that will be loaded. See [InAppWebView.loadFile()] for explanation.
@@ -207,6 +218,7 @@ class InAppWebView extends StatefulWidget {
     this.onJsAlert,
     this.onJsConfirm,
     this.onJsPrompt,
+    this.onSafeBrowsingHit,
     this.gestureRecognizers,
   }) : super(key: key);
 
@@ -370,13 +382,7 @@ class InAppWebViewController {
         String sourceURL = call.arguments["sourceURL"];
         int lineNumber = call.arguments["lineNumber"];
         String message = call.arguments["message"];
-        ConsoleMessageLevel messageLevel;
-        ConsoleMessageLevel.values.forEach((element) {
-          if ("ConsoleMessageLevel." + call.arguments["messageLevel"] == element.toString()) {
-            messageLevel = element;
-            return;
-          }
-        });
+        ConsoleMessageLevel messageLevel = ConsoleMessageLevel.fromValue(call.arguments["messageLevel"]);
         if (_widget != null && _widget.onConsoleMessage != null)
           _widget.onConsoleMessage(this, ConsoleMessage(sourceURL, lineNumber, message, messageLevel));
         else if (_inAppBrowser != null)
@@ -454,6 +460,14 @@ class InAppWebViewController {
         else if (_inAppBrowser != null)
           return (await _inAppBrowser.onJsPrompt(message, defaultValue))?.toMap();
         break;
+      case "onSafeBrowsingHit":
+        String url = call.arguments["url"];
+        SafeBrowsingThreat threatType = SafeBrowsingThreat.fromValue(call.arguments["threatType"]);
+        if (_widget != null && _widget.onJsPrompt != null)
+          return (await _widget.onSafeBrowsingHit(this, url, threatType))?.toMap();
+        else if (_inAppBrowser != null)
+          return (await _inAppBrowser.onSafeBrowsingHit(url, threatType))?.toMap();
+        break;
       case "onCallJsHandler":
         String handlerName = call.arguments["handlerName"];
         // decode args to json
@@ -918,6 +932,17 @@ class InAppWebViewController {
     return await _channel.invokeMethod('setSafeBrowsingWhitelist', args);
   }
 
+  ///Returns a URL pointing to the privacy policy for Safe Browsing reporting. This value will never be `null`.
+  ///
+  ///**NOTE**: available only for Android.
+  Future<String> getSafeBrowsingPrivacyPolicyUrl() async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    if (_inAppBrowserUuid != null && _inAppBrowser != null) {
+      _inAppBrowser.throwIsNotOpened();
+      args.putIfAbsent('uuid', () => _inAppBrowserUuid);
+    }
+    return await _channel.invokeMethod('getSafeBrowsingPrivacyPolicyUrl', args);
+  }
 
   ///Dispose/Destroy the WebView.
   Future<void> _dispose() async {

lib/src/types.dart

@@ -18,9 +18,22 @@ typedef Future<dynamic> ListenerCallback(MethodCall call);
 ///In this case, simply return data that you want to send and it will be automatically json encoded using [jsonEncode] from the `dart:convert` library.
 typedef dynamic JavaScriptHandlerCallback(List<dynamic> arguments);
 
-///Enum representing the level of a console message.
-enum ConsoleMessageLevel {
-  DEBUG, ERROR, LOG, TIP, WARNING
+///Class representing the level of a console message.
+class ConsoleMessageLevel {
+  final int _value;
+  const ConsoleMessageLevel._internal(this._value);
+  static ConsoleMessageLevel fromValue(int value) {
+    if (value >= 0 && value <= 4)
+      return ConsoleMessageLevel._internal(value);
+    return null;
+  }
+  toValue() => _value;
+
+  static const TIP = const ConsoleMessageLevel._internal(0);
+  static const LOG = const ConsoleMessageLevel._internal(1);
+  static const WARNING = const ConsoleMessageLevel._internal(2);
+  static const ERROR = const ConsoleMessageLevel._internal(3);
+  static const DEBUG = const ConsoleMessageLevel._internal(4);
 }
 
 ///Public class representing a resource response of the [InAppBrowser] WebView.
@@ -217,6 +230,46 @@ class JsPromptResponse {
   }
 }
 
+class SafeBrowsingThreat {
+  final int _value;
+  const SafeBrowsingThreat._internal(this._value);
+  static SafeBrowsingThreat fromValue(int value) {
+    if (value >= 0 && value <= 4)
+      return SafeBrowsingThreat._internal(value);
+    return null;
+  }
+  toValue() => _value;
+
+  static const SAFE_BROWSING_THREAT_UNKNOWN = const SafeBrowsingThreat._internal(0);
+  static const SAFE_BROWSING_THREAT_MALWARE = const SafeBrowsingThreat._internal(1);
+  static const SAFE_BROWSING_THREAT_PHISHING = const SafeBrowsingThreat._internal(2);
+  static const SAFE_BROWSING_THREAT_UNWANTED_SOFTWARE = const SafeBrowsingThreat._internal(3);
+  static const SAFE_BROWSING_THREAT_BILLING = const SafeBrowsingThreat._internal(4);
+}
+
+class SafeBrowsingResponseAction {
+  final int _value;
+  const SafeBrowsingResponseAction._internal(this._value);
+  toValue() => _value;
+
+  static const BACK_TO_SAFETY = const SafeBrowsingResponseAction._internal(0);
+  static const PROCEED = const SafeBrowsingResponseAction._internal(1);
+  static const SHOW_INTERSTITIAL = const SafeBrowsingResponseAction._internal(2);
+}
+class SafeBrowsingResponse {
+  bool report;
+  SafeBrowsingResponseAction action;
+
+  SafeBrowsingResponse({this.report = true, this.action = SafeBrowsingResponseAction.SHOW_INTERSTITIAL});
+
+  Map<String, dynamic> toMap() {
+    return {
+      "report": report,
+      "action": action?.toValue()
+    };
+  }
+}
+
 typedef onWebViewCreatedCallback = void Function(InAppWebViewController controller);
 typedef onWebViewLoadStartCallback = void Function(InAppWebViewController controller, String url);
 typedef onWebViewLoadStopCallback = void Function(InAppWebViewController controller, String url);
@@ -233,3 +286,4 @@ typedef onGeolocationPermissionsShowPromptCallback = Future<GeolocationPermissio
 typedef onJsAlertCallback = Future<JsAlertResponse> Function(InAppWebViewController controller, String message);
 typedef onJsConfirmCallback = Future<JsConfirmResponse> Function(InAppWebViewController controller, String message);
 typedef onJsPromptCallback = Future<JsPromptResponse> Function(InAppWebViewController controller, String message, String defaultValue);
+typedef onSafeBrowsingHitCallback = Future<SafeBrowsingResponse> Function(InAppWebViewController controller, String url, SafeBrowsingThreat threatType);
\ No newline at end of file

lib/src/webview_options.dart

@@ -127,7 +127,6 @@ class AndroidInAppWebViewOptions implements WebViewOptions, BrowserOptions {
   bool safeBrowsingEnabled;
   bool transparentBackground;
   AndroidInAppWebViewMixedContentMode mixedContentMode;
-
   bool allowContentAccess;
   bool allowFileAccess;
   bool allowFileAccessFromFileURLs;
@@ -258,7 +257,6 @@ class iOSInAppWebViewOptions implements WebViewOptions, BrowserOptions {
   bool allowsInlineMediaPlayback;
   bool allowsPictureInPictureMediaPlayback;
   bool transparentBackground;
-
   String applicationNameForUserAgent;
   bool isFraudulentWebsiteWarningEnabled;
   iOSInAppWebViewSelectionGranularity selectionGranularity;
@@ -337,18 +335,47 @@ class AndroidInAppBrowserOptions implements BrowserOptions {
   }
 }
 
+class iOSInAppBrowserOptionsPresentationStyle {
+  final int _value;
+  const iOSInAppBrowserOptionsPresentationStyle._internal(this._value);
+  toValue() => _value;
+
+  static const FULL_SCREEN = const iOSInAppBrowserOptionsPresentationStyle._internal(0);
+  static const PAGE_SHEET = const iOSInAppBrowserOptionsPresentationStyle._internal(1);
+  static const FORM_SHEET = const iOSInAppBrowserOptionsPresentationStyle._internal(2);
+  static const CURRENT_CONTEXT = const iOSInAppBrowserOptionsPresentationStyle._internal(3);
+  static const CUSTOM = const iOSInAppBrowserOptionsPresentationStyle._internal(4);
+  static const OVER_FULL_SCREEN = const iOSInAppBrowserOptionsPresentationStyle._internal(5);
+  static const OVER_CURRENT_CONTEXT = const iOSInAppBrowserOptionsPresentationStyle._internal(6);
+  static const POPOVER = const iOSInAppBrowserOptionsPresentationStyle._internal(7);
+  static const NONE = const iOSInAppBrowserOptionsPresentationStyle._internal(8);
+  static const AUTOMATIC = const iOSInAppBrowserOptionsPresentationStyle._internal(9);
+}
+
+class iOSInAppBrowserOptionsTransitionStyle {
+  final int _value;
+  const iOSInAppBrowserOptionsTransitionStyle._internal(this._value);
+  toValue() => _value;
+
+  static const COVER_VERTICAL = const iOSInAppBrowserOptionsTransitionStyle._internal(0);
+  static const FLIP_HORIZONTAL = const iOSInAppBrowserOptionsTransitionStyle._internal(1);
+  static const CROSS_DISSOLVE = const iOSInAppBrowserOptionsTransitionStyle._internal(2);
+  static const PARTIAL_CURL = const iOSInAppBrowserOptionsTransitionStyle._internal(3);
+}
+
 class iOSInAppBrowserOptions implements BrowserOptions {
   bool toolbarBottom;
   String toolbarBottomBackgroundColor;
   bool toolbarBottomTranslucent;
   String closeButtonCaption;
   String closeButtonColor;
-  int presentationStyle; //default fullscreen
-  int transitionStyle; //default crossDissolve
+  iOSInAppBrowserOptionsPresentationStyle presentationStyle;
+  iOSInAppBrowserOptionsTransitionStyle transitionStyle;
   bool spinner;
 
   iOSInAppBrowserOptions({this.toolbarBottom = true, this.toolbarBottomBackgroundColor = "", this.toolbarBottomTranslucent = true, this.closeButtonCaption = "",
-    this.closeButtonColor = "", this.presentationStyle = 0, this.transitionStyle = 0, this.spinner = true});
+    this.closeButtonColor = "", this.presentationStyle = iOSInAppBrowserOptionsPresentationStyle.FULL_SCREEN,
+    this.transitionStyle = iOSInAppBrowserOptionsTransitionStyle.COVER_VERTICAL, this.spinner = true});
 
   @override
   Map<String, dynamic> toMap() {
@@ -358,8 +385,8 @@ class iOSInAppBrowserOptions implements BrowserOptions {
       "toolbarBottomTranslucent": toolbarBottomTranslucent,
       "closeButtonCaption": closeButtonCaption,
       "closeButtonColor": closeButtonColor,
-      "presentationStyle": presentationStyle,
-      "transitionStyle": transitionStyle,
+      "presentationStyle": presentationStyle.toValue(),
+      "transitionStyle": transitionStyle.toValue(),
       "spinner": spinner,
     };
   }
@@ -392,28 +419,39 @@ class AndroidChromeCustomTabsOptions implements ChromeCustomTabsOptions {
   }
 }
 
+class iOSChromeCustomTabsOptionsDismissButtonStyle {
+  final int _value;
+  const iOSChromeCustomTabsOptionsDismissButtonStyle._internal(this._value);
+  toValue() => _value;
+
+  static const DONE = const iOSChromeCustomTabsOptionsDismissButtonStyle._internal(0);
+  static const CLOSE = const iOSChromeCustomTabsOptionsDismissButtonStyle._internal(1);
+  static const CANCEL = const iOSChromeCustomTabsOptionsDismissButtonStyle._internal(2);
+}
+
 class iOSChromeCustomTabsOptions implements ChromeCustomTabsOptions {
   bool entersReaderIfAvailable;
   bool barCollapsingEnabled;
-  int dismissButtonStyle; //default done
+  iOSChromeCustomTabsOptionsDismissButtonStyle dismissButtonStyle;
   String preferredBarTintColor;
   String preferredControlTintColor;
-  int presentationStyle; //default fullscreen
-  int transitionStyle; //default crossDissolve
+  iOSInAppBrowserOptionsPresentationStyle presentationStyle;
+  iOSInAppBrowserOptionsTransitionStyle transitionStyle;
 
-  iOSChromeCustomTabsOptions({this.entersReaderIfAvailable = false, this.barCollapsingEnabled = false, this.dismissButtonStyle = 0, this.preferredBarTintColor = "",
-    this.preferredControlTintColor = "", this.presentationStyle = 0, this.transitionStyle = 0});
+  iOSChromeCustomTabsOptions({this.entersReaderIfAvailable = false, this.barCollapsingEnabled = false, this.dismissButtonStyle = iOSChromeCustomTabsOptionsDismissButtonStyle.DONE,
+    this.preferredBarTintColor = "", this.preferredControlTintColor = "", this.presentationStyle = iOSInAppBrowserOptionsPresentationStyle.FULL_SCREEN,
+    this.transitionStyle = iOSInAppBrowserOptionsTransitionStyle.COVER_VERTICAL});
 
   @override
   Map<String, dynamic> toMap() {
     return {
       "entersReaderIfAvailable": entersReaderIfAvailable,
       "barCollapsingEnabled": barCollapsingEnabled,
-      "dismissButtonStyle": dismissButtonStyle,
+      "dismissButtonStyle": dismissButtonStyle.toValue(),
       "preferredBarTintColor": preferredBarTintColor,
       "preferredControlTintColor": preferredControlTintColor,
-      "presentationStyle": presentationStyle,
-      "transitionStyle": transitionStyle,
+      "presentationStyle": presentationStyle.toValue(),
+      "transitionStyle": transitionStyle.toValue(),
     };
   }
 }
\ No newline at end of file