iosWebViewFix/ios/Classes/InAppWebViewStatic.swift

76 lines
2.6 KiB
Swift
Executable File

//
// InAppWebViewStatic.swift
// flutter_inappwebview
//
// Created by Lorenzo Pichilli on 08/12/2019.
//
import Foundation
import WebKit
class InAppWebViewStatic: NSObject, FlutterPlugin {
static var registrar: FlutterPluginRegistrar?
static var channel: FlutterMethodChannel?
static var webViewForUserAgent: WKWebView?
static var defaultUserAgent: String?
static func register(with registrar: FlutterPluginRegistrar) {
}
init(registrar: FlutterPluginRegistrar) {
super.init()
InAppWebViewStatic.registrar = registrar
InAppWebViewStatic.channel = FlutterMethodChannel(name: "com.pichillilorenzo/flutter_inappwebview_static", binaryMessenger: registrar.messenger())
registrar.addMethodCallDelegate(self, channel: InAppWebViewStatic.channel!)
}
public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
let arguments = call.arguments as? NSDictionary
switch call.method {
case "getDefaultUserAgent":
InAppWebViewStatic.getDefaultUserAgent(completionHandler: { (value) in
result(value)
})
break
case "handlesURLScheme":
let urlScheme = arguments!["urlScheme"] as! String
if #available(iOS 11.0, *) {
result(WKWebView.handlesURLScheme(urlScheme))
} else {
result(false)
}
break
default:
result(FlutterMethodNotImplemented)
break
}
}
static public func getDefaultUserAgent(completionHandler: @escaping (_ value: String?) -> Void) {
if defaultUserAgent == nil {
InAppWebViewStatic.webViewForUserAgent = WKWebView()
InAppWebViewStatic.webViewForUserAgent?.evaluateJavaScript("navigator.userAgent") { (value, error) in
if error != nil {
print("Error occured to get userAgent")
self.webViewForUserAgent = nil
completionHandler(nil)
return
}
if let unwrappedUserAgent = value as? String {
InAppWebViewStatic.defaultUserAgent = unwrappedUserAgent
completionHandler(defaultUserAgent)
} else {
print("Failed to get userAgent")
}
self.webViewForUserAgent = nil
}
} else {
completionHandler(defaultUserAgent)
}
}
}