fix iOS setCookie #196, added iOS shared Process Pool #196, added scrollTo and scrollBy methods

CHANGELOG.md

@@ -24,11 +24,10 @@
 - Added `onSafeBrowsingHit` event (available only for Android)
 - Added `onJsAlert`, `onJsConfirm` and `onJsPrompt` events to manage javascript popup dialogs
 - Added `onReceivedHttpAuthRequest` event
-- Added `clearCache()` method
+- Added `clearCache`, `scrollTo`, `scrollBy`, `getHtml`, `injectJavascriptFileFromAsset` and `injectCSSFileFromAsset` methods method
 - Added `HttpAuthCredentialDatabase` class
 - Added `onReceivedServerTrustAuthRequest` and `onReceivedClientCertRequest` events to manage SSL requests
 - Added `onFindResultReceived` event, `findAllAsync`, `findNext` and `clearMatches` methods 
-- Added `getHtml`, `injectJavascriptFileFromAsset` and `injectCSSFileFromAsset` methods
 - Added `shouldInterceptAjaxRequest`, `onAjaxReadyStateChange`, `onAjaxProgress` and `shouldInterceptFetchRequest` events with `useShouldInterceptAjaxRequest` and `useShouldInterceptFetchRequest` webview options
 - Added `onNavigationStateChange` event
 - Fun: added `getTRexRunnerHtml` and `getTRexRunnerCss` methods to get html (with javascript) and css to recreate the Chromium's t-rex runner game 

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

@@ -286,6 +286,22 @@ public class FlutterWebView implements PlatformView, MethodCallHandler  {
           result.success(false);
         }
         break;
+      case "scrollTo":
+        if (webView != null) {
+          Integer x = (Integer) call.argument("x");
+          Integer y = (Integer) call.argument("y");
+          webView.scrollTo(x, y);
+        }
+        result.success(true);
+        break;
+      case "scrollBy":
+        if (webView != null) {
+          Integer x = (Integer) call.argument("x");
+          Integer y = (Integer) call.argument("y");
+          webView.scrollBy(x, y);
+        }
+        result.success(true);
+        break;
       default:
         result.notImplemented();
     }

example/ios/Flutter/flutter_export_environment.sh

@@ -2,10 +2,9 @@
 # This is a generated file; do not edit or check into version control.
 export "FLUTTER_ROOT=/Users/lorenzopichilli/flutter"
 export "FLUTTER_APPLICATION_PATH=/Users/lorenzopichilli/Desktop/flutter_inappbrowser/example"
-export "FLUTTER_TARGET=/Users/lorenzopichilli/Desktop/flutter_inappbrowser/example/lib/main.dart"
+export "FLUTTER_TARGET=lib/main.dart"
 export "FLUTTER_BUILD_DIR=build"
 export "SYMROOT=${SOURCE_ROOT}/../build/ios"
 export "FLUTTER_FRAMEWORK_DIR=/Users/lorenzopichilli/flutter/bin/cache/artifacts/engine/ios"
 export "FLUTTER_BUILD_NAME=1.0.0"
 export "FLUTTER_BUILD_NUMBER=1"
-export "TRACK_WIDGET_CREATION=true"

example/lib/in_app_webiew_example.screen.dart

@@ -83,18 +83,21 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
                 title: Text('InAppBrowser'),
                 onTap: () {
                   Navigator.popAndPushNamed(context, '/InAppBrowser');
+                  dispose();
                 },
               ),
               ListTile(
                 title: Text('ChromeSafariBrowser'),
                 onTap: () {
                   Navigator.popAndPushNamed(context, '/ChromeSafariBrowser');
+                  dispose();
                 },
               ),
               ListTile(
                 title: Text('InAppWebView'),
                 onTap: () {
                   Navigator.popAndPushNamed(context, '/');
+                  dispose();
                 },
               ),
             ],
@@ -119,11 +122,11 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
                   BoxDecoration(border: Border.all(color: Colors.blueAccent)),
               child: InAppWebView(
                 //initialUrl: "https://www.youtube.com/embed/M7lc1UVf-VE?playsinline=1",
-                //initialUrl: "https://github.com",
+                initialUrl: "https://github.com",
                 //initialUrl: "chrome://safe-browsing/match?type=malware",
                 //initialUrl: "http://192.168.1.20:8081/",
                 //initialUrl: "https://192.168.1.20:4433/",
-                initialFile: "assets/index.html",
+                //initialFile: "assets/index.html",
                 initialHeaders: {},
                 initialOptions: InAppWebViewWidgetOptions(
                   inAppWebViewOptions: InAppWebViewOptions(
@@ -131,12 +134,12 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
                       //disableHorizontalScroll: false,
                       debuggingEnabled: true,
                       clearCache: true,
-                      useShouldOverrideUrlLoading: true,
+                      //useShouldOverrideUrlLoading: true,
                       useOnTargetBlank: true,
-                      useOnLoadResource: true,
-                      useOnDownloadStart: true,
-                      useShouldInterceptAjaxRequest: true,
-                      useShouldInterceptFetchRequest: true,
+                      //useOnLoadResource: true,
+                      //useOnDownloadStart: true,
+                      //useShouldInterceptAjaxRequest: true,
+                      //useShouldInterceptFetchRequest: true,
                       //preferredContentMode: InAppWebViewUserPreferredContentMode.DESKTOP,
                       resourceCustomSchemes: [
                         "my-special-custom-scheme"
@@ -192,8 +195,7 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
                     this.url = url;
                   });
                 },
-                onLoadStop:
-                    (InAppWebViewController controller, String url) async {
+                onLoadStop: (InAppWebViewController controller, String url) async {
                   print("stopped $url");
                   if (Platform.isAndroid) {
                     controller.clearSslPreferences();
@@ -202,6 +204,15 @@ class _InAppWebViewExampleScreenState extends State<InAppWebViewExampleScreen> {
                   //controller.findAllAsync("flutter");
                   print(await controller.getFavicons());
                   print(await CookieManager.instance().getCookies(url: url));
+                  //await CookieManager.instance().setCookie(url: url, name: "myCookie", value: "myValue");
+                  //print(await CookieManager.instance().getCookies(url: url));
+                  //await Future.delayed(const Duration(milliseconds: 2000));
+                  //controller.scrollTo(x: 0, y: 500);
+                  //await Future.delayed(const Duration(milliseconds: 2000));
+                  //controller.scrollBy(x: 0, y: 150);
+                },
+                onScrollChanged: (InAppWebViewController controller, int x, int y) {
+                  //print("\nSCROLLED\n");
                 },
                 onLoadError: (InAppWebViewController controller, String url,
                     int code, String message) async {

ios/Classes/FlutterWebViewController.swift

@@ -302,6 +302,22 @@ public class FlutterWebViewController: NSObject, FlutterPlatformView {
                 }
                 result(true)
                 break
+            case "scrollTo":
+                if webView != nil {
+                    let x = arguments!["x"] as! Int
+                    let y = arguments!["y"] as! Int
+                    webView!.scrollTo(x: x, y: y)
+                }
+                result(true)
+                break
+            case "scrollBy":
+                if webView != nil {
+                    let x = arguments!["x"] as! Int
+                    let y = arguments!["y"] as! Int
+                    webView!.scrollBy(x: x, y: y)
+                }
+                result(true)
+                break
             case "removeFromSuperview":
                 webView!.removeFromSuperview()
                 result(true)

ios/Classes/InAppWebView.swift

@@ -886,6 +886,8 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
     public static func preWKWebViewConfiguration(options: InAppWebViewOptions?) -> WKWebViewConfiguration {
         let configuration = WKWebViewConfiguration()
         
+        configuration.processPool = WKProcessPoolManager.sharedProcessPool
+        
         if #available(iOS 10.0, *) {
             configuration.mediaTypesRequiringUserActionForPlayback = ((options?.mediaPlaybackRequiresUserGesture)!) ? .all : []
         } else {
@@ -1811,7 +1813,7 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
                 scrollView.contentOffset = CGPoint(x: lastScrollX, y: scrollView.contentOffset.y);
             }
         }
-        if navigationDelegate != nil {
+        if navigationDelegate != nil && !(disableVerticalScroll && disableHorizontalScroll) {
             let x = Int(scrollView.contentOffset.x / scrollView.contentScaleFactor)
             let y = Int(scrollView.contentOffset.y / scrollView.contentScaleFactor)
             onScrollChanged(x: x, y: y)
@@ -2127,6 +2129,16 @@ public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavi
         evaluateJavaScript("wkwebview_ClearMatches();", completionHandler: completionHandler)
     }
     
+    func scrollTo(x: Int, y: Int) {
+        scrollView.setContentOffset(CGPoint(x: x, y: y), animated: false)
+    }
+    
+    func scrollBy(x: Int, y: Int) {
+        let newX = CGFloat(x) + scrollView.contentOffset.x
+        let newY = CGFloat(y) + scrollView.contentOffset.y
+        scrollView.setContentOffset(CGPoint(x: newX, y: newY), animated: false)
+    }
+    
     public override func removeFromSuperview() {
         configuration.userContentController.removeScriptMessageHandler(forName: "consoleLog")
         configuration.userContentController.removeScriptMessageHandler(forName: "consoleDebug")

ios/Classes/MyCookieManager.swift

@@ -93,8 +93,9 @@ class MyCookieManager: NSObject, FlutterPlugin {
         properties[.secure] = (isSecure != nil && isSecure!) ? "TRUE" : "FALSE"
         
         let cookie = HTTPCookie(properties: properties)!
-        MyCookieManager.httpCookieStore!.setCookie(cookie)
-        result(true)
+        MyCookieManager.httpCookieStore!.setCookie(cookie, completionHandler: {() in
+            result(true)
+        })
     }
     
     public static func getCookies(url: String, result: @escaping FlutterResult) {

ios/Classes/WKProcessPoolManager.swift

+//
+//  WKProcessPoolManager.swift
+//  flutter_inappbrowser
+//
+//  Created by Lorenzo Pichilli on 19/11/2019.
+//
+
+import Foundation
+import WebKit
+
+class WKProcessPoolManager {
+    static let sharedProcessPool = WKProcessPool()
+}

lib/src/in_app_webview.dart

@@ -336,8 +336,6 @@ class _InAppWebViewState extends State<InAppWebView> {
   @override
   void dispose(){
     super.dispose();
-    if (Platform.isIOS)
-      _controller._channel.invokeMethod('removeFromSuperview');
   }
 
   void _onPlatformViewCreated(int id) {
@@ -1406,4 +1404,44 @@ class InAppWebViewController {
   Future<String> getTRexRunnerCss() async {
     return await rootBundle.loadString("packages/flutter_inappbrowser/t_rex_runner/t-rex.css");
   }
+
+  ///Scrolls the WebView to the position.
+  ///
+  ///[x] represents the x position to scroll to.
+  ///
+  ///[y] represents the y position to scroll to.
+  Future<void> scrollTo({@required int x, @required int y}) async {
+    assert(x != null && y != null);
+    Map<String, dynamic> args = <String, dynamic>{};
+    if (_inAppBrowserUuid != null && _inAppBrowser != null) {
+      _inAppBrowser.throwIsNotOpened();
+      args.putIfAbsent('uuid', () => _inAppBrowserUuid);
+    }
+    args.putIfAbsent('x', () => x);
+    args.putIfAbsent('y', () => y);
+    await _channel.invokeMethod('scrollTo', args);
+  }
+
+  ///Moves the scrolled position of the WebView.
+  ///
+  ///[x] represents the amount of pixels to scroll by horizontally.
+  ///
+  ///[y] represents the amount of pixels to scroll by vertically.
+  Future<void> scrollBy({@required int x, @required int y}) async {
+    assert(x != null && y != null);
+    Map<String, dynamic> args = <String, dynamic>{};
+    if (_inAppBrowserUuid != null && _inAppBrowser != null) {
+      _inAppBrowser.throwIsNotOpened();
+      args.putIfAbsent('uuid', () => _inAppBrowserUuid);
+    }
+    args.putIfAbsent('x', () => x);
+    args.putIfAbsent('y', () => y);
+    await _channel.invokeMethod('scrollBy', args);
+  }
+
+  /*Future<void> dispose() async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    if (Platform.isIOS)
+      await _channel.invokeMethod('removeFromSuperview', args);
+  }*/
 }