What's new in WKWebView

2:26 - Fullscreen API support

webView.configuration.preferences.isElementFullscreenEnabled = true

webView.loadHTMLString("""
<script>
    button.addEventListener('click', () => {
        canvas.webkitRequestFullscreen()
    }, false);
</script>
…
""", baseURL:nil)

let observation = webView.observe(\.fullscreenState, options: [.new]) { object, change in
    print("fullscreenState: \(object.fullscreenState)")
}

3:50 - CSS viewport unit range inputs

let minimum = UIEdgeInsets(top: 0, left: 0, bottom: 30, right: 0)
let maximum = UIEdgeInsets(top: 0, left: 0, bottom: 200, right: 0)
webView.setMinimumViewportInset(minimum, maximumViewportInset: maximum)

4:17 - Using UIFindInteraction with WKWebView

webView.findInteractionEnabled = true

if let interaction = webView.findInteraction {
  interaction.presentFindNavigator(showingReplace:false)
}

5:46 - WKContentRuleList if-frame-url

let json = """
[{
    "action":{"type":"block"},
    "trigger":{
        "resource-type":["image"],
        "url-filter":".*",
        "if-frame-url":["https?://([^/]*\\\\.)wikipedia.org/"]
    }
}]
"""

WKContentRuleListStore.default().compileContentRuleList(forIdentifier: "example_blocker",
    encodedContentRuleList: json) { list, error in
    guard let list = list else { return }
    let configuration = WKWebViewConfiguration()
    configuration.userContentController.add(list)
}