842 lines
36 KiB
Swift
842 lines
36 KiB
Swift
//
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// InAppWebView.swift
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// flutter_inappbrowser
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//
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// Created by Lorenzo on 21/10/18.
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//
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import Flutter
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import Foundation
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import WebKit
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func currentTimeInMilliSeconds() -> Int64 {
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let currentDate = Date()
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let since1970 = currentDate.timeIntervalSince1970
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return Int64(since1970 * 1000)
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}
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func convertToDictionary(text: String) -> [String: Any]? {
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if let data = text.data(using: .utf8) {
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do {
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return try JSONSerialization.jsonObject(with: data, options: []) as? [String: Any]
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} catch {
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print(error.localizedDescription)
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}
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}
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return nil
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}
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// the message needs to be concatenated with '' in order to have the same behavior like on Android
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let consoleLogJS = """
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(function() {
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var oldLogs = {
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'consoleLog': console.log,
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'consoleDebug': console.debug,
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'consoleError': console.error,
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'consoleInfo': console.info,
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'consoleWarn': console.warn
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};
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for (var k in oldLogs) {
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(function(oldLog) {
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console[oldLog.replace('console', '').toLowerCase()] = function() {
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var message = '';
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for (var i in arguments) {
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if (message == '') {
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message += arguments[i];
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}
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else {
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message += ' ' + arguments[i];
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}
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}
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window.webkit.messageHandlers[oldLog].postMessage(message);
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}
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})(k);
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}
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})();
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"""
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let resourceObserverJS = """
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(function() {
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var observer = new PerformanceObserver(function(list) {
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list.getEntries().forEach(function(entry) {
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window.webkit.messageHandlers['resourceLoaded'].postMessage(JSON.stringify(entry));
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});
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});
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observer.observe({entryTypes: ['resource', 'mark', 'measure']});
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})();
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"""
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let JAVASCRIPT_BRIDGE_NAME = "flutter_inappbrowser"
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let javaScriptBridgeJS = """
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window.\(JAVASCRIPT_BRIDGE_NAME) = {};
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window.\(JAVASCRIPT_BRIDGE_NAME).callHandler = function() {
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var _callHandlerID = setTimeout(function(){});
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window.webkit.messageHandlers['callHandler'].postMessage( {'handlerName': arguments[0], '_callHandlerID': _callHandlerID, 'args': JSON.stringify(Array.prototype.slice.call(arguments, 1))} );
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return new Promise(function(resolve, reject) {
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window.\(JAVASCRIPT_BRIDGE_NAME)[_callHandlerID] = resolve;
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});
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}
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"""
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let platformReadyJS = "window.dispatchEvent(new Event('flutterInAppBrowserPlatformReady'));";
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public class InAppWebView: WKWebView, UIScrollViewDelegate, WKUIDelegate, WKNavigationDelegate, WKScriptMessageHandler {
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var IABController: InAppBrowserWebViewController?
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var IAWController: FlutterWebViewController?
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var options: InAppWebViewOptions?
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var currentURL: URL?
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var WKNavigationMap: [String: [String: Any]] = [:]
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var startPageTime: Int64 = 0
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init(frame: CGRect, configuration: WKWebViewConfiguration, IABController: InAppBrowserWebViewController?, IAWController: FlutterWebViewController?) {
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super.init(frame: frame, configuration: configuration)
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self.IABController = IABController
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self.IAWController = IAWController
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uiDelegate = self
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navigationDelegate = self
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scrollView.delegate = self
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}
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required public init(coder aDecoder: NSCoder) {
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super.init(coder: aDecoder)!
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}
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public func prepare() {
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addObserver(self,
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forKeyPath: #keyPath(WKWebView.estimatedProgress),
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options: .new,
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context: nil)
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configuration.userContentController = WKUserContentController()
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configuration.preferences = WKPreferences()
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if (options?.transparentBackground)! {
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isOpaque = false
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backgroundColor = UIColor.clear
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scrollView.backgroundColor = UIColor.clear
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}
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// prevent webView from bouncing
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if (options?.disallowOverScroll)! {
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if responds(to: #selector(getter: scrollView)) {
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scrollView.bounces = false
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}
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else {
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for subview: UIView in subviews {
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if subview is UIScrollView {
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(subview as! UIScrollView).bounces = false
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}
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}
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}
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}
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if (options?.enableViewportScale)! {
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let jscript = "var meta = document.createElement('meta'); meta.setAttribute('name', 'viewport'); meta.setAttribute('content', 'width=device-width'); document.getElementsByTagName('head')[0].appendChild(meta);"
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let userScript = WKUserScript(source: jscript, injectionTime: .atDocumentEnd, forMainFrameOnly: true)
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configuration.userContentController.addUserScript(userScript)
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}
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// Prevents long press on links that cause WKWebView exit
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let jscriptWebkitTouchCallout = WKUserScript(source: "document.body.style.webkitTouchCallout='none';", injectionTime: .atDocumentEnd, forMainFrameOnly: true)
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configuration.userContentController.addUserScript(jscriptWebkitTouchCallout)
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let consoleLogJSScript = WKUserScript(source: consoleLogJS, injectionTime: .atDocumentStart, forMainFrameOnly: false)
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configuration.userContentController.addUserScript(consoleLogJSScript)
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configuration.userContentController.add(self, name: "consoleLog")
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configuration.userContentController.add(self, name: "consoleDebug")
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configuration.userContentController.add(self, name: "consoleError")
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configuration.userContentController.add(self, name: "consoleInfo")
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configuration.userContentController.add(self, name: "consoleWarn")
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let javaScriptBridgeJSScript = WKUserScript(source: javaScriptBridgeJS, injectionTime: .atDocumentStart, forMainFrameOnly: false)
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configuration.userContentController.addUserScript(javaScriptBridgeJSScript)
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configuration.userContentController.add(self, name: "callHandler")
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let resourceObserverJSScript = WKUserScript(source: resourceObserverJS, injectionTime: .atDocumentStart, forMainFrameOnly: false)
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configuration.userContentController.addUserScript(resourceObserverJSScript)
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configuration.userContentController.add(self, name: "resourceLoaded")
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//keyboardDisplayRequiresUserAction = browserOptions?.keyboardDisplayRequiresUserAction
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configuration.suppressesIncrementalRendering = (options?.suppressesIncrementalRendering)!
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allowsBackForwardNavigationGestures = (options?.allowsBackForwardNavigationGestures)!
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if #available(iOS 9.0, *) {
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allowsLinkPreview = (options?.allowsLinkPreview)!
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}
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if #available(iOS 10.0, *) {
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configuration.ignoresViewportScaleLimits = (options?.ignoresViewportScaleLimits)!
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}
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if #available(iOS 9.0, *) {
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configuration.allowsPictureInPictureMediaPlayback = (options?.allowsPictureInPictureMediaPlayback)!
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}
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configuration.preferences.javaScriptCanOpenWindowsAutomatically = (options?.javaScriptCanOpenWindowsAutomatically)!
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configuration.preferences.javaScriptEnabled = (options?.javaScriptEnabled)!
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if ((options?.userAgent)! != "") {
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if #available(iOS 9.0, *) {
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customUserAgent = (options?.userAgent)!
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}
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}
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if (options?.clearCache)! {
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clearCache()
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}
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}
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public static func preWKWebViewConfiguration(options: InAppWebViewOptions?) -> WKWebViewConfiguration {
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let configuration = WKWebViewConfiguration()
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if #available(iOS 10.0, *) {
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configuration.mediaTypesRequiringUserActionForPlayback = ((options?.mediaPlaybackRequiresUserGesture)!) ? .all : []
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} else {
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// Fallback on earlier versions
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configuration.mediaPlaybackRequiresUserAction = (options?.mediaPlaybackRequiresUserGesture)!
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}
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configuration.allowsInlineMediaPlayback = (options?.allowsInlineMediaPlayback)!
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return configuration
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}
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override public func observeValue(forKeyPath keyPath: String?, of object: Any?,
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change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) {
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if keyPath == "estimatedProgress" {
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let progress = Int(estimatedProgress * 100)
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onProgressChanged(progress: progress)
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}
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}
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public func goBackOrForward(steps: Int) {
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if canGoBackOrForward(steps: steps) {
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if (steps > 0) {
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let index = steps - 1
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go(to: self.backForwardList.forwardList[index])
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}
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else if (steps < 0){
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let backListLength = self.backForwardList.backList.count
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let index = backListLength + steps
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go(to: self.backForwardList.backList[index])
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}
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}
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}
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public func canGoBackOrForward(steps: Int) -> Bool {
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let currentIndex = self.backForwardList.backList.count
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return (steps >= 0)
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? steps <= self.backForwardList.forwardList.count
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: currentIndex + steps >= 0
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}
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public func takeScreenshot (completionHandler: @escaping (_ screenshot: Data?) -> Void) {
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if #available(iOS 11.0, *) {
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takeSnapshot(with: nil, completionHandler: {(image, error) -> Void in
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var imageData: Data? = nil
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if let screenshot = image {
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imageData = UIImagePNGRepresentation(screenshot)!
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}
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completionHandler(imageData)
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})
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} else {
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completionHandler(nil)
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}
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}
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public func loadUrl(url: URL, headers: [String: String]?) {
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var request = URLRequest(url: url)
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currentURL = url
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if headers != nil {
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if let mutableRequest = (request as NSURLRequest).mutableCopy() as? NSMutableURLRequest {
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for (key, value) in headers! {
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mutableRequest.setValue(value, forHTTPHeaderField: key)
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}
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request = mutableRequest as URLRequest
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}
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}
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load(request)
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}
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public func postUrl(url: URL, postData: Data, completionHandler: @escaping () -> Void) {
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var request = URLRequest(url: url)
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currentURL = url
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request.httpMethod = "POST"
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request.httpBody = postData
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let task = URLSession.shared.dataTask(with: request) { (data : Data?, response : URLResponse?, error : Error?) in
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var returnString = ""
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if data != nil {
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returnString = String(data: data!, encoding: .utf8) ?? ""
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}
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DispatchQueue.main.async(execute: {() -> Void in
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self.loadHTMLString(returnString, baseURL: url)
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completionHandler()
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})
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}
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task.resume()
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}
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public func loadData(data: String, mimeType: String, encoding: String, baseUrl: String) {
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let url = URL(string: baseUrl)!
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currentURL = url
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if #available(iOS 9.0, *) {
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load(data.data(using: .utf8)!, mimeType: mimeType, characterEncodingName: encoding, baseURL: url)
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} else {
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loadHTMLString(data, baseURL: url)
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}
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}
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public func loadFile(url: String, headers: [String: String]?) throws {
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let key = SwiftFlutterPlugin.registrar!.lookupKey(forAsset: url)
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let assetURL = Bundle.main.url(forResource: key, withExtension: nil)
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if assetURL == nil {
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throw NSError(domain: url + " asset file cannot be found!", code: 0)
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}
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loadUrl(url: assetURL!, headers: headers)
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}
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func setOptions(newOptions: InAppWebViewOptions, newOptionsMap: [String: Any]) {
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if newOptionsMap["transparentBackground"] != nil && options?.transparentBackground != newOptions.transparentBackground {
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if newOptions.transparentBackground {
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isOpaque = false
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backgroundColor = UIColor.clear
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scrollView.backgroundColor = UIColor.clear
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} else {
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isOpaque = true
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backgroundColor = nil
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scrollView.backgroundColor = UIColor(red: 1, green: 1, blue: 1, alpha: 1)
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}
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}
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if newOptionsMap["disallowOverScroll"] != nil && options?.disallowOverScroll != newOptions.disallowOverScroll {
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if responds(to: #selector(getter: scrollView)) {
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scrollView.bounces = !newOptions.disallowOverScroll
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}
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else {
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for subview: UIView in subviews {
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if subview is UIScrollView {
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(subview as! UIScrollView).bounces = !newOptions.disallowOverScroll
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}
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}
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}
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}
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if newOptionsMap["enableViewportScale"] != nil && options?.enableViewportScale != newOptions.enableViewportScale && newOptions.enableViewportScale {
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let jscript = "var meta = document.createElement('meta'); meta.setAttribute('name', 'viewport'); meta.setAttribute('content', 'width=device-width'); document.getElementsByTagName('head')[0].appendChild(meta);"
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evaluateJavaScript(jscript, completionHandler: nil)
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}
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if newOptionsMap["mediaPlaybackRequiresUserGesture"] != nil && options?.mediaPlaybackRequiresUserGesture != newOptions.mediaPlaybackRequiresUserGesture {
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if #available(iOS 10.0, *) {
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configuration.mediaTypesRequiringUserActionForPlayback = (newOptions.mediaPlaybackRequiresUserGesture) ? .all : []
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} else {
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// Fallback on earlier versions
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configuration.mediaPlaybackRequiresUserAction = newOptions.mediaPlaybackRequiresUserGesture
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}
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}
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if newOptionsMap["allowsInlineMediaPlayback"] != nil && options?.allowsInlineMediaPlayback != newOptions.allowsInlineMediaPlayback {
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configuration.allowsInlineMediaPlayback = newOptions.allowsInlineMediaPlayback
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}
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// if newOptionsMap["keyboardDisplayRequiresUserAction"] != nil && browserOptions?.keyboardDisplayRequiresUserAction != newOptions.keyboardDisplayRequiresUserAction {
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// self.webView.keyboardDisplayRequiresUserAction = newOptions.keyboardDisplayRequiresUserAction
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// }
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if newOptionsMap["suppressesIncrementalRendering"] != nil && options?.suppressesIncrementalRendering != newOptions.suppressesIncrementalRendering {
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configuration.suppressesIncrementalRendering = newOptions.suppressesIncrementalRendering
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}
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if newOptionsMap["allowsBackForwardNavigationGestures"] != nil && options?.allowsBackForwardNavigationGestures != newOptions.allowsBackForwardNavigationGestures {
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allowsBackForwardNavigationGestures = newOptions.allowsBackForwardNavigationGestures
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}
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if newOptionsMap["allowsLinkPreview"] != nil && options?.allowsLinkPreview != newOptions.allowsLinkPreview {
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if #available(iOS 9.0, *) {
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allowsLinkPreview = newOptions.allowsLinkPreview
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}
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}
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if newOptionsMap["ignoresViewportScaleLimits"] != nil && options?.ignoresViewportScaleLimits != newOptions.ignoresViewportScaleLimits {
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if #available(iOS 10.0, *) {
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configuration.ignoresViewportScaleLimits = newOptions.ignoresViewportScaleLimits
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}
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}
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if newOptionsMap["allowsInlineMediaPlayback"] != nil && options?.allowsInlineMediaPlayback != newOptions.allowsInlineMediaPlayback {
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configuration.allowsInlineMediaPlayback = newOptions.allowsInlineMediaPlayback
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}
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if newOptionsMap["allowsPictureInPictureMediaPlayback"] != nil && options?.allowsPictureInPictureMediaPlayback != newOptions.allowsPictureInPictureMediaPlayback {
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if #available(iOS 9.0, *) {
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configuration.allowsPictureInPictureMediaPlayback = newOptions.allowsPictureInPictureMediaPlayback
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}
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}
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if newOptionsMap["javaScriptCanOpenWindowsAutomatically"] != nil && options?.javaScriptCanOpenWindowsAutomatically != newOptions.javaScriptCanOpenWindowsAutomatically {
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configuration.preferences.javaScriptCanOpenWindowsAutomatically = newOptions.javaScriptCanOpenWindowsAutomatically
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}
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if newOptionsMap["javaScriptEnabled"] != nil && options?.javaScriptEnabled != newOptions.javaScriptEnabled {
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configuration.preferences.javaScriptEnabled = newOptions.javaScriptEnabled
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}
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if newOptionsMap["userAgent"] != nil && options?.userAgent != newOptions.userAgent && (newOptions.userAgent != "") {
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if #available(iOS 9.0, *) {
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customUserAgent = newOptions.userAgent
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}
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}
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if newOptionsMap["clearCache"] != nil && newOptions.clearCache {
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clearCache()
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}
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self.options = newOptions
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}
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func getOptions() -> [String: Any]? {
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if (self.options == nil) {
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return nil
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}
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return self.options!.getHashMap()
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}
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public func clearCache() {
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if #available(iOS 9.0, *) {
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//let websiteDataTypes = NSSet(array: [WKWebsiteDataTypeDiskCache, WKWebsiteDataTypeMemoryCache])
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let date = NSDate(timeIntervalSince1970: 0)
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WKWebsiteDataStore.default().removeData(ofTypes: WKWebsiteDataStore.allWebsiteDataTypes(), modifiedSince: date as Date, completionHandler:{ })
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} else {
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var libraryPath = NSSearchPathForDirectoriesInDomains(FileManager.SearchPathDirectory.libraryDirectory, FileManager.SearchPathDomainMask.userDomainMask, false).first!
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libraryPath += "/Cookies"
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do {
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try FileManager.default.removeItem(atPath: libraryPath)
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} catch {
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print("can't clear cache")
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}
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URLCache.shared.removeAllCachedResponses()
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}
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}
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public func injectDeferredObject(source: String, withWrapper jsWrapper: String, result: FlutterResult?) {
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let jsonData: Data? = try? JSONSerialization.data(withJSONObject: [source], options: [])
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let sourceArrayString = String(data: jsonData!, encoding: String.Encoding.utf8)
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if sourceArrayString != nil {
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let sourceString: String? = (sourceArrayString! as NSString).substring(with: NSRange(location: 1, length: (sourceArrayString?.count ?? 0) - 2))
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let jsToInject = String(format: jsWrapper, sourceString!)
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evaluateJavaScript(jsToInject, completionHandler: {(value, error) in
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if result == nil {
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return
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}
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if error != nil {
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let userInfo = (error! as NSError).userInfo
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self.onConsoleMessage(sourceURL: (userInfo["WKJavaScriptExceptionSourceURL"] as? URL)?.absoluteString ?? "", lineNumber: userInfo["WKJavaScriptExceptionLineNumber"] as! Int, message: userInfo["WKJavaScriptExceptionMessage"] as! String, messageLevel: "ERROR")
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}
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if value == nil {
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result!("")
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return
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}
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do {
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let data: Data = ("[" + String(describing: value!) + "]").data(using: String.Encoding.utf8, allowLossyConversion: false)!
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let json: Array<Any> = try JSONSerialization.jsonObject(with: data, options: []) as! Array<Any>
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if json[0] is String {
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result!(json[0])
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}
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else {
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result!(value)
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}
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} catch let error as NSError {
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result!(FlutterError(code: "InAppBrowserFlutterPlugin", message: "Failed to load: \(error.localizedDescription)", details: error))
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}
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})
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}
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}
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public func injectScriptCode(source: String, result: FlutterResult?) {
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let jsWrapper = "(function(){return JSON.stringify(eval(%@));})();"
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injectDeferredObject(source: source, withWrapper: jsWrapper, result: result)
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}
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public func injectScriptFile(urlFile: String) {
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let jsWrapper = "(function(d) { var c = d.createElement('script'); c.src = %@; d.body.appendChild(c); })(document);"
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injectDeferredObject(source: urlFile, withWrapper: jsWrapper, result: nil)
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}
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public func injectStyleCode(source: String) {
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let jsWrapper = "(function(d) { var c = d.createElement('style'); c.innerHTML = %@; d.body.appendChild(c); })(document);"
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injectDeferredObject(source: source, withWrapper: jsWrapper, result: nil)
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}
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public func injectStyleFile(urlFile: String) {
|
|
let jsWrapper = "(function(d) { var c = d.createElement('link'); c.rel='stylesheet', c.type='text/css'; c.href = %@; d.body.appendChild(c); })(document);"
|
|
injectDeferredObject(source: urlFile, withWrapper: jsWrapper, result: nil)
|
|
}
|
|
|
|
public func getCopyBackForwardList() -> [String: Any] {
|
|
let currentList = backForwardList
|
|
let currentIndex = currentList.backList.count
|
|
var completeList = currentList.backList
|
|
if currentList.currentItem != nil {
|
|
completeList.append(currentList.currentItem!)
|
|
}
|
|
completeList.append(contentsOf: currentList.forwardList)
|
|
|
|
var history: [[String: String]] = []
|
|
|
|
for historyItem in completeList {
|
|
var historyItemMap: [String: String] = [:]
|
|
historyItemMap["originalUrl"] = historyItem.initialURL.absoluteString
|
|
historyItemMap["title"] = historyItem.title
|
|
historyItemMap["url"] = historyItem.url.absoluteString
|
|
history.append(historyItemMap)
|
|
}
|
|
|
|
var result: [String: Any] = [:]
|
|
result["history"] = history
|
|
result["currentIndex"] = currentIndex
|
|
|
|
return result;
|
|
}
|
|
|
|
public func webView(_ webView: WKWebView,
|
|
decidePolicyFor navigationAction: WKNavigationAction,
|
|
decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
|
|
|
|
if let url = navigationAction.request.url {
|
|
|
|
if url.absoluteString != url.absoluteString && (options?.useOnLoadResource)! {
|
|
WKNavigationMap[url.absoluteString] = [
|
|
"startTime": currentTimeInMilliSeconds(),
|
|
"request": navigationAction.request
|
|
]
|
|
}
|
|
|
|
if navigationAction.navigationType == .linkActivated && (options?.useShouldOverrideUrlLoading)! {
|
|
shouldOverrideUrlLoading(url: url)
|
|
decisionHandler(.cancel)
|
|
return
|
|
}
|
|
|
|
if navigationAction.navigationType == .linkActivated || navigationAction.navigationType == .backForward {
|
|
currentURL = url
|
|
if IABController != nil {
|
|
IABController!.updateUrlTextField(url: (currentURL?.absoluteString)!)
|
|
}
|
|
}
|
|
}
|
|
|
|
decisionHandler(.allow)
|
|
}
|
|
|
|
public func webView(_ webView: WKWebView,
|
|
decidePolicyFor navigationResponse: WKNavigationResponse,
|
|
decisionHandler: @escaping (WKNavigationResponsePolicy) -> Void) {
|
|
|
|
if (options?.useOnLoadResource)! {
|
|
if let url = navigationResponse.response.url {
|
|
if WKNavigationMap[url.absoluteString] != nil {
|
|
let startResourceTime: Int64 = (WKNavigationMap[url.absoluteString]!["startTime"] as! Int64)
|
|
let startTime: Int64 = startResourceTime - startPageTime;
|
|
let duration: Int64 = currentTimeInMilliSeconds() - startResourceTime;
|
|
onLoadResource(response: navigationResponse.response, fromRequest: WKNavigationMap[url.absoluteString]!["request"] as? URLRequest, withData: Data(), startTime: startTime, duration: duration)
|
|
}
|
|
}
|
|
}
|
|
|
|
decisionHandler(.allow)
|
|
}
|
|
|
|
// func webView(_ webView: WKWebView,
|
|
// decidePolicyFor navigationResponse: WKNavigationResponse,
|
|
// decisionHandler: @escaping (WKNavigationResponsePolicy) -> Void) {
|
|
// let mimeType = navigationResponse.response.mimeType
|
|
// if mimeType != nil && !mimeType!.starts(with: "text/") {
|
|
// download(url: webView.url)
|
|
// decisionHandler(.cancel)
|
|
// return
|
|
// }
|
|
// decisionHandler(.allow)
|
|
// }
|
|
//
|
|
// func download (url: URL?) {
|
|
// let filename = url?.lastPathComponent
|
|
//
|
|
// let destination: DownloadRequest.DownloadFileDestination = { _, _ in
|
|
// let documentsURL = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
|
|
// let fileURL = documentsURL.appendingPathComponent(filename!)
|
|
//
|
|
// return (fileURL, [.removePreviousFile, .createIntermediateDirectories])
|
|
// }
|
|
//
|
|
// Alamofire.download((url?.absoluteString)!, to: destination).downloadProgress { progress in
|
|
// print("Download Progress: \(progress.fractionCompleted)")
|
|
// }.response { response in
|
|
// if response.error == nil, let path = response.destinationURL?.path {
|
|
// UIAlertView(title: nil, message: "File saved to " + path, delegate: nil, cancelButtonTitle: nil).show()
|
|
// }
|
|
// else {
|
|
// UIAlertView(title: nil, message: "Cannot save " + filename!, delegate: nil, cancelButtonTitle: nil).show()
|
|
// }
|
|
// }
|
|
// }
|
|
|
|
public func webView(_ webView: WKWebView, didStartProvisionalNavigation navigation: WKNavigation!) {
|
|
self.startPageTime = currentTimeInMilliSeconds()
|
|
onLoadStart(url: (currentURL?.absoluteString)!)
|
|
|
|
if IABController != nil {
|
|
// loading url, start spinner, update back/forward
|
|
IABController!.backButton.isEnabled = canGoBack
|
|
IABController!.forwardButton.isEnabled = canGoForward
|
|
|
|
if (IABController!.browserOptions?.spinner)! {
|
|
IABController!.spinner.startAnimating()
|
|
}
|
|
}
|
|
}
|
|
|
|
public func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
|
|
self.WKNavigationMap = [:]
|
|
currentURL = url
|
|
onLoadStop(url: (currentURL?.absoluteString)!)
|
|
evaluateJavaScript(platformReadyJS, completionHandler: nil)
|
|
|
|
if IABController != nil {
|
|
IABController!.updateUrlTextField(url: (currentURL?.absoluteString)!)
|
|
IABController!.backButton.isEnabled = canGoBack
|
|
IABController!.forwardButton.isEnabled = canGoForward
|
|
IABController!.spinner.stopAnimating()
|
|
}
|
|
}
|
|
|
|
public func webView(_ view: WKWebView,
|
|
didFailProvisionalNavigation navigation: WKNavigation!,
|
|
withError error: Error) {
|
|
webView(view, didFail: navigation, withError: error)
|
|
}
|
|
|
|
public func webView(_ webView: WKWebView, didFail navigation: WKNavigation!, withError error: Error) {
|
|
onLoadError(url: (currentURL?.absoluteString)!, error: error)
|
|
|
|
if IABController != nil {
|
|
IABController!.backButton.isEnabled = canGoBack
|
|
IABController!.forwardButton.isEnabled = canGoForward
|
|
IABController!.spinner.stopAnimating()
|
|
}
|
|
}
|
|
|
|
public func scrollViewDidScroll(_ scrollView: UIScrollView) {
|
|
if navigationDelegate != nil {
|
|
let x = Int(scrollView.contentOffset.x / scrollView.contentScaleFactor)
|
|
let y = Int(scrollView.contentOffset.y / scrollView.contentScaleFactor)
|
|
onScrollChanged(x: x, y: y)
|
|
}
|
|
setNeedsLayout()
|
|
}
|
|
|
|
public func onLoadStart(url: String) {
|
|
var arguments: [String: Any] = ["url": url]
|
|
if IABController != nil {
|
|
arguments["uuid"] = IABController!.uuid
|
|
}
|
|
if let channel = getChannel() {
|
|
channel.invokeMethod("onLoadStart", arguments: arguments)
|
|
}
|
|
}
|
|
|
|
public func onLoadStop(url: String) {
|
|
var arguments: [String: Any] = ["url": url]
|
|
if IABController != nil {
|
|
arguments["uuid"] = IABController!.uuid
|
|
}
|
|
if let channel = getChannel() {
|
|
channel.invokeMethod("onLoadStop", arguments: arguments)
|
|
}
|
|
}
|
|
|
|
public func onLoadError(url: String, error: Error) {
|
|
var arguments: [String: Any] = ["url": url, "code": error._code, "message": error.localizedDescription]
|
|
if IABController != nil {
|
|
arguments["uuid"] = IABController!.uuid
|
|
}
|
|
if let channel = getChannel() {
|
|
channel.invokeMethod("onLoadError", arguments: arguments)
|
|
}
|
|
}
|
|
|
|
public func onProgressChanged(progress: Int) {
|
|
var arguments: [String: Any] = ["progress": progress]
|
|
if IABController != nil {
|
|
arguments["uuid"] = IABController!.uuid
|
|
}
|
|
if let channel = getChannel() {
|
|
channel.invokeMethod("onProgressChanged", arguments: arguments)
|
|
}
|
|
}
|
|
|
|
public func onLoadResource(response: URLResponse, fromRequest request: URLRequest?, withData data: Data, startTime: Int64, duration: Int64) {
|
|
var headersResponse = (response as! HTTPURLResponse).allHeaderFields as! [String: String]
|
|
headersResponse.lowercaseKeys()
|
|
|
|
var headersRequest = request!.allHTTPHeaderFields! as [String: String]
|
|
headersRequest.lowercaseKeys()
|
|
|
|
var arguments: [String : Any] = [
|
|
"response": [
|
|
"url": response.url!.absoluteString,
|
|
"statusCode": (response as! HTTPURLResponse).statusCode,
|
|
"headers": headersResponse,
|
|
"startTime": startTime,
|
|
"duration": duration,
|
|
"data": data
|
|
],
|
|
"request": [
|
|
"url": request!.url!.absoluteString,
|
|
"headers": headersRequest,
|
|
"method": request!.httpMethod!
|
|
]
|
|
]
|
|
if IABController != nil {
|
|
arguments["uuid"] = IABController!.uuid
|
|
}
|
|
if let channel = getChannel() {
|
|
channel.invokeMethod("onLoadResource", arguments: arguments)
|
|
}
|
|
}
|
|
|
|
public func onScrollChanged(x: Int, y: Int) {
|
|
var arguments: [String: Any] = ["x": x, "y": y]
|
|
if IABController != nil {
|
|
arguments["uuid"] = IABController!.uuid
|
|
}
|
|
if let channel = getChannel() {
|
|
channel.invokeMethod("onScrollChanged", arguments: arguments)
|
|
}
|
|
}
|
|
|
|
public func shouldOverrideUrlLoading(url: URL) {
|
|
var arguments: [String: Any] = ["url": url.absoluteString]
|
|
if IABController != nil {
|
|
arguments["uuid"] = IABController!.uuid
|
|
}
|
|
if let channel = getChannel() {
|
|
channel.invokeMethod("shouldOverrideUrlLoading", arguments: arguments)
|
|
}
|
|
}
|
|
|
|
public func onConsoleMessage(sourceURL: String, lineNumber: Int, message: String, messageLevel: String) {
|
|
var arguments: [String: Any] = ["sourceURL": sourceURL, "lineNumber": lineNumber, "message": message, "messageLevel": messageLevel]
|
|
if IABController != nil {
|
|
arguments["uuid"] = IABController!.uuid
|
|
}
|
|
if let channel = getChannel() {
|
|
channel.invokeMethod("onConsoleMessage", arguments: arguments)
|
|
}
|
|
}
|
|
|
|
public func onCallJsHandler(handlerName: String, _callHandlerID: Int64, args: String) {
|
|
var arguments: [String: Any] = ["handlerName": handlerName, "args": args]
|
|
if IABController != nil {
|
|
arguments["uuid"] = IABController!.uuid
|
|
}
|
|
|
|
if let channel = getChannel() {
|
|
channel.invokeMethod("onCallJsHandler", arguments: arguments, result: {(result) -> Void in
|
|
if result is FlutterError {
|
|
print((result as! FlutterError).message)
|
|
}
|
|
else if (result as? NSObject) == FlutterMethodNotImplemented {}
|
|
else {
|
|
var json = "null"
|
|
if let r = result {
|
|
json = r as! String
|
|
}
|
|
self.evaluateJavaScript("window.\(JAVASCRIPT_BRIDGE_NAME)[\(_callHandlerID)](\(json)); delete window.\(JAVASCRIPT_BRIDGE_NAME)[\(_callHandlerID)];", completionHandler: nil)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
public func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
|
|
if message.name.starts(with: "console") {
|
|
var messageLevel = "LOG"
|
|
switch (message.name) {
|
|
case "consoleLog":
|
|
messageLevel = "LOG"
|
|
break;
|
|
case "consoleDebug":
|
|
// on Android, console.debug is TIP
|
|
messageLevel = "TIP"
|
|
break;
|
|
case "consoleError":
|
|
messageLevel = "ERROR"
|
|
break;
|
|
case "consoleInfo":
|
|
// on Android, console.info is LOG
|
|
messageLevel = "LOG"
|
|
break;
|
|
case "consoleWarn":
|
|
messageLevel = "WARNING"
|
|
break;
|
|
default:
|
|
messageLevel = "LOG"
|
|
break;
|
|
}
|
|
onConsoleMessage(sourceURL: "", lineNumber: 1, message: message.body as! String, messageLevel: messageLevel)
|
|
}
|
|
else if message.name == "resourceLoaded" && (options?.useOnLoadResource)! {
|
|
if let resource = convertToDictionary(text: message.body as! String) {
|
|
// escape special chars
|
|
let resourceName = (resource["name"] as! String).addingPercentEncoding(withAllowedCharacters:NSCharacterSet.urlQueryAllowed)
|
|
|
|
let url = URL(string: resourceName!)!
|
|
if !UIApplication.shared.canOpenURL(url) {
|
|
return
|
|
}
|
|
let startTime: Int64 = Int64(resource["startTime"] as! Double)
|
|
let duration: Int64 = Int64(resource["duration"] as! Double)
|
|
var urlRequest = URLRequest(url: url)
|
|
urlRequest.allHTTPHeaderFields = [:]
|
|
let config = URLSessionConfiguration.default
|
|
let session = URLSession(configuration: config)
|
|
let task = session.dataTask(with: urlRequest) { (data, response, error) in
|
|
if error != nil {
|
|
print(error)
|
|
return
|
|
}
|
|
var withData = data
|
|
if withData == nil {
|
|
withData = Data()
|
|
}
|
|
self.onLoadResource(response: response!, fromRequest: urlRequest, withData: withData!, startTime: startTime, duration: duration)
|
|
}
|
|
task.resume()
|
|
}
|
|
}
|
|
else if message.name == "callHandler" {
|
|
let body = message.body as! [String: Any]
|
|
let handlerName = body["handlerName"] as! String
|
|
let _callHandlerID = body["_callHandlerID"] as! Int64
|
|
let args = body["args"] as! String
|
|
onCallJsHandler(handlerName: handlerName, _callHandlerID: _callHandlerID, args: args)
|
|
}
|
|
}
|
|
|
|
private func getChannel() -> FlutterMethodChannel? {
|
|
return (IABController != nil) ? SwiftFlutterPlugin.channel! : ((IAWController != nil) ? IAWController!.channel! : nil);
|
|
}
|
|
}
|