init iOS inline webview implementation

flutter_inappbrowser.iml

@@ -20,7 +20,6 @@
       <excludeFolder url="file://$MODULE_DIR$/example/ios/.symlinks/plugins/flutter_inappbrowser/example/.dart_tool" />
       <excludeFolder url="file://$MODULE_DIR$/example/ios/.symlinks/plugins/flutter_inappbrowser/example/.pub" />
       <excludeFolder url="file://$MODULE_DIR$/example/ios/.symlinks/plugins/flutter_inappbrowser/example/build" />
-      <excludeFolder url="file://$MODULE_DIR$/example/ios/.symlinks/plugins/flutter_inappbrowser/example/ios/Flutter/flutter_assets/packages" />
       <excludeFolder url="file://$MODULE_DIR$/example/ios/Flutter/flutter_assets/packages" />
     </content>
     <orderEntry type="sourceFolder" forTests="false" />

ios/Classes/FlutterWebViewController.swift

+//
+//  FlutterWebViewController.swift
+//  flutter_inappbrowser
+//
+//  Created by Lorenzo on 13/11/18.
+//
+
+import Foundation
+
+public class FlutterWebViewController: NSObject, FlutterPlatformView {
+    
+    private weak var registrar: FlutterPluginRegistrar?
+    private var webView: InAppWebView?
+    private var viewId: Int64 = 0
+    private var channel: FlutterMethodChannel?
+    
+    init(registrar: FlutterPluginRegistrar, withFrame frame: CGRect, viewIdentifier viewId: Int64, arguments args: NSDictionary) {
+        super.init()
+        self.registrar = registrar
+        self.viewId = viewId
+        webView = InAppWebView(frame: frame)
+        let channelName = String(format: "com.pichillilorenzo/flutter_inappwebview_%lld", viewId)
+        self.channel = FlutterMethodChannel(name: channelName, binaryMessenger: registrar.messenger())
+        self.channel?.setMethodCallHandler(self.handle)
+        
+        var initialUrl = (args["initialUrl"] as? String)!
+        let initialFile = args["initialFile"] as? String
+        let initialData = args["initialData"] as? [String: String]
+        let initialHeaders = (args["initialHeaders"] as? [String: String])!
+        let initialOptions = (args["initialOptions"] as? [String: Any])!
+        
+        webView!.load(URLRequest(url: URL(string: initialUrl)!))
+    }
+    
+    public func view() -> UIView {
+        return webView!
+    }
+    
+    public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
+        let arguments = call.arguments as? NSDictionary
+        
+        switch call.method {
+            //case "open":
+                //self.open(uuid: uuid, arguments: arguments!, result: result)
+                //break
+            default:
+                result(FlutterMethodNotImplemented)
+                break
+        }
+    }
+}

ios/Classes/FlutterWebViewFactory.swift

+//
+//  FlutterWebViewFactory.swift
+//  flutter_inappbrowser
+//
+//  Created by Lorenzo on 13/11/18.
+//
+
+import Flutter
+import Foundation
+
+public class FlutterWebViewFactory: NSObject, FlutterPlatformViewFactory {
+    private weak var registrar: FlutterPluginRegistrar?
+    
+    init(registrar: FlutterPluginRegistrar?) {
+        super.init()
+        self.registrar = registrar
+    }
+    
+    public func createArgsCodec() -> FlutterMessageCodec & NSObjectProtocol {
+        return FlutterStandardMessageCodec.sharedInstance()
+    }
+    
+    public func create(withFrame frame: CGRect, viewIdentifier viewId: Int64, arguments args: Any?) -> FlutterPlatformView {
+        let arguments = args as? NSDictionary
+        let webviewController = FlutterWebViewController(registrar: registrar!, withFrame: frame, viewIdentifier: viewId, arguments: arguments!)
+        return webviewController
+    }
+}

ios/Classes/SwiftFlutterPlugin.swift

@@ -36,12 +36,12 @@ extension Dictionary where Key: ExpressibleByStringLiteral {
 public class SwiftFlutterPlugin: NSObject, FlutterPlugin {
     
     static var registrar: FlutterPluginRegistrar?
+    var channel: FlutterMethodChannel
     
     var webViewControllers: [String: InAppBrowserWebViewController?] = [:]
     var safariViewControllers: [String: Any?] = [:]
     
     var tmpWindow: UIWindow?
-    var channel: FlutterMethodChannel
     private var previousStatusBarStyle = -1
     
     public init(with registrar: FlutterPluginRegistrar) {
@@ -56,6 +56,8 @@ public class SwiftFlutterPlugin: NSObject, FlutterPlugin {
         let instance = SwiftFlutterPlugin(with: registrar)
         registrar.addMethodCallDelegate(instance, channel: channel)
         
+        registrar.register(FlutterWebViewFactory(registrar: registrar) as FlutterPlatformViewFactory, withId: "com.pichillilorenzo/flutter_inappwebview")
+        
         if #available(iOS 11.0, *) {
             MyCookieManager(registrar: registrar)
         } else {

lib/flutter_inappbrowser.dart

@@ -694,6 +694,20 @@ class _InAppWebViewState extends State<InAppWebView> {
           creationParamsCodec: const StandardMessageCodec(),
         ),
       );
+    } else if (defaultTargetPlatform == TargetPlatform.iOS) {
+      return UiKitView(
+        viewType: 'com.pichillilorenzo/flutter_inappwebview',
+        onPlatformViewCreated: _onPlatformViewCreated,
+        gestureRecognizers: widget.gestureRecognizers,
+        creationParams: <String, dynamic>{
+          'initialUrl': widget.initialUrl,
+          'initialFile': widget.initialFile,
+          'initialData': widget.initialData?.toMap(),
+          'initialHeaders': widget.initialHeaders,
+          'initialOptions': widget.initialOptions
+        },
+        creationParamsCodec: const StandardMessageCodec(),
+      );
     }
     return Text(
         '$defaultTargetPlatform is not yet supported by the flutter_inappbrowser plugin');