What's new WebKit.framework

by yashigani

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ϦϑΝϨϯε͔ΒಡΈղ͘ WebKit.framework @yashigani  Cocoaษڧձؔ੢ #56

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@yashigani

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–Mattt Thompson “UIWebView is dead. Long live WKWebView.”

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WKWebView is Կʁ

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WKWebViewͷਖ਼ମ • Safari/Mobile Safariͱಉ͡΋ͷ͕࢖͑Δ • ϞμϯͳΠϯλʔϑΣʔε • WebKit 2 APIϕʔε • ࣮͸UIWebView΍WebView͸ҧ͏API

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WebKit 2 API • ϚϧνϓϩηεʹରԠͨ͠API • WebKit 1ͱ͸ඇޓ׵ • Safari 5.1(07/2011)~

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࣮͸͜ͳ͍ͩൃදͨ͠ • @kyoto.ͳΜ͔ • WebKit 2 API͸CϕʔεͰʙͬͯ࿩΋ͨ͠ • ՈؼͬͯϦϙδτϦݟͨΒͦΜͳ͜ͱͳͯ͘ ݁ߏͪΌΜͱͯͨ͠ • #expectWWDC

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ΊͰ͍ͨʂ

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WKWebView • iOS/OS XͰڞ௨ • ϞμϯͳΠϯλʔϑΣʔε • property/delegate • Ϛϧνϓϩηε

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ߏ੒ • WKWebView • WKUIDelegate • WKNavigationDelegate • WKWebViewConﬁguration • WKPreferences • WKUserContentController

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WKWebView • Built-in Gesture • KVO compliant • title/URL/loading/estimatedProgress… • backForwardList • WKUIDelegate/WKNavigationDelegate

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WKUIDelegate • alert()ͷॲཧΛࣗલͰ • ࣗ෼Ͱॲཧͯ͠ɼcompletionHandlerΛݺͿ

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WKNavigationDelegate • shouldStart…/didFinish… • UIDelegateͱಉ༷ʹdecisionHandlerͰॲཧ • ϩʔυͷਐḿΛࡉ͔͘औಘͰ͖Δ

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WKWebViewConﬁguration • WKPreferences/WKProcessPool/ WKUserContentController • WKWebViewΛॳظԽ͢Δͱ͖ʹ౉͢ • ෳ਺WKWebViewΛ࡞Δͱ͖ʹڞ༗Ͱ͖Δ

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WKPreferences • JavaScriptͷΦϯΦϑ • ϑΥϯταΠζ • ಈը࠶ੜΛΠϯϥΠϯͰ • ઃఆ͸User Defaultsʹอଘ͞ΕΔ

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WKUserContentController • ϩʔυ͢ΔUser Scriptͷ௥Ճ/࡟আ • User ScriptͷHandlerΛొ࿥ • User Script͔ΒϝοηʔδΛૹΕΔ

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σϝϦοτ

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stringByEvaluatingJavaScriptFromString: ͕ແ͍

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͡Ό͋Ͳ͏͠Ζͱ • User ScriptͰͳΜͱ͔͠Ζͱ͍͏͜ͱʁ • Easy app-webpage communication • ΋ͪΖΜΦʔϓϯͳ࣮૷ʹ͸͋Δ • evaluateJavaSctipt:completionHandler: • ৭ʑࢼ͚ͨ͠Ͳ… #࡯͍ͯͩ͘͠͞

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OS X͔Β͢Δͱ… • ΊͬͪΌऑମԽ • WebViewʹ͋Δdelegate͸΋ͬͱ͋Δ • WebFrameʹ΋ΞΫηεͰ͖ͳ͍͠… • ΋ͪΖΜJSContext΋࢖͑ͳ͍

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ٙ໰ • લճͷWWDCͰJavaScriptCore.frameworkΛ ։์ͨ͠ҙਤ͕Θ͔Βͳ͍ • ಛʹ࠷ۙ͸WebKitͷJSEngine͸͍͢͝վྑ ͞Ε͍ͯΔ • ϑΟʔυόοΫ࣍ୈͰ͸΋ͬͱ։์͞ΕΔՄ ೳੑ͕ʁ

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·ͱΊ • UIWebView is dead. Long live WKWebView. • Ϛϧνϓϩηε+Ϟμϯ API • ࠓͷͱ͜Ζظ଴΄ͲͰ͸ͳ͍(ͱࢥ͏) • ͨͩ͠ྗΛೖΕ͍ͯΔͷ͸͔֬ • ظ଴ͯ͠Δਓ͸Bug Reportʹཁ๬ग़ͦ͏ʂ

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ؔ࿈ • http://www.webkit.org • https://github.com/webkit/webkit • Introducing the Modern WebKit API • http://nshipster.com/ios8/

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Thank you!