//
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// WKWebView+Rx.swift
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// RxCocoa
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//
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// Created by Giuseppe Lanza on 14/02/2020.
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// Copyright © 2020 Krunoslav Zaher. All rights reserved.
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//
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#if os(iOS) || os(macOS)
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import RxSwift
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import WebKit
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@available(iOS 8.0, macOS 10.10, macOSApplicationExtension 10.10, *)
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extension Reactive where Base: WKWebView {
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/// Reactive wrapper for `navigationDelegate`.
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/// For more information take a look at `DelegateProxyType` protocol documentation.
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public var navigationDelegate: DelegateProxy<WKWebView, WKNavigationDelegate> {
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RxWKNavigationDelegateProxy.proxy(for: base)
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}
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/// Reactive wrapper for `navigationDelegate` message.
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public var didCommit: Observable<WKNavigation> {
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navigationDelegate
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.methodInvoked(#selector(WKNavigationDelegate.webView(_:didCommit:)))
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.map { a in try castOrThrow(WKNavigation.self, a[1]) }
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}
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/// Reactive wrapper for `navigationDelegate` message.
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public var didStartLoad: Observable<WKNavigation> {
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navigationDelegate
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.methodInvoked(#selector(WKNavigationDelegate.webView(_:didStartProvisionalNavigation:)))
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.map { a in try castOrThrow(WKNavigation.self, a[1]) }
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}
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/// Reactive wrapper for `navigationDelegate` message.
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public var didFinishLoad: Observable<WKNavigation> {
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navigationDelegate
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.methodInvoked(#selector(WKNavigationDelegate.webView(_:didFinish:)))
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.map { a in try castOrThrow(WKNavigation.self, a[1]) }
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}
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/// Reactive wrapper for `navigationDelegate` message.
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public var didFailLoad: Observable<(WKNavigation, Error)> {
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navigationDelegate
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.methodInvoked(#selector(WKNavigationDelegate.webView(_:didFail:withError:)))
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.map { a in
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(
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try castOrThrow(WKNavigation.self, a[1]),
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try castOrThrow(Error.self, a[2])
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)
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}
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}
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}
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#endif
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