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