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Otafuku

October 27, 2023

Otafuku provides utility classes to use WKWebView.

Features

WebViewUIController to handle WKUIDelegate methods by presenting an alert as usual browsers do.
WebViewPropertyObserver to notify WKWebView property value change via a registered closure and Swift enum. With this class, no KVO code is needed to know WKWebView property value change.

Usage

WebViewUiController

WebViewUIController handles WKUIDelegate.
As shown below, simply declare a property of WebViewUIController and set it to WKWebView.UIDelegate in UIViewController.viewDidLoad.


                                              
                                                class ViewController: UIViewController {

let uiDelegate = WebViewUIController()
override func viewDidLoad() {

super.viewDidLoad()

webView.UIDelegate = uiDelegate

}

}

WebViewPropertyObserver

WebViewPropertyObserver notifies WKWebView property value change.
As shown below, declare a property of WebViewPropertyObserver to retain its object throughout the ViewController’s life cycle.
To initialize, pass a WKWebView object and a closure handling WKWebView’s property change.


                                              
                                                class ViewController: UIViewController {

@IBOutlet var progressView: UIProgressView!

@IBOutlet var backItem: UIBarButtonItem!

@IBOutlet var forwardItem: UIBarButtonItem!
var propertyObserver: WebViewPropertyObserver?
override func viewDidLoad() {

super.viewDidLoad()

propertyObserver = WebViewPropertyObserver(webView: webView, handler:handleWebViewPropertyChange)

}
func handleWebViewPropertyChange(property: WebViewPropertyObserver.WebViewProperty) {

switch property {

case .Title(let title):

navigationItem.title = title

case .URL(let URL):

// do something with URL

break

case .CanGoBack(let canGoBack):

backItem.enabled = canGoBack

case .CanGoForward(let canGoForward):

forwardItem.enabled = canGoForward

case .EstimatedProgress(let progress):

progressView.progress = progress

case .Loading(let loading):

// do something with loading

break

case .HasOnlySecureContent(let secureContent):

// do something with secureContent

break

}

}

}

Requirements

iOS 8.0+
Swift 3.0
Xcode 8.0

Installation

Install with CocoaPods


                                              
                                                platform :ios, ‘8.0’

use_frameworks!
pod ‘Otafuku’

GitHub

View Github

#cocoapods #delegate #ios #swift #uiwebview

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