LeadKit/TIWebView/Sources/StateDelegate/BaseWebViewStateHandler.swift

65 lines
2.4 KiB
Swift

//
// Copyright (c) 2022 Touch Instinct
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the Software), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
import WebKit
open class BaseWebViewStateHandler: NSObject, WebViewStateHandler {
public weak var viewModel: WebViewModel?
// MARK: - WebViewStateHandler
open func webView(_ webView: WKWebView,
decidePolicyFor navigationAction: WKNavigationAction,
decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
guard let url = navigationAction.request.url else {
return decisionHandler(.cancel)
}
let decision = viewModel?.shouldNavigate(to: url) ?? .cancel
decisionHandler(decision)
}
open func webView(_ webView: WKWebView, didCommit navigation: WKNavigation?) {
// override in subclasses
}
open func webView(_ webView: WKWebView, didFinish navigation: WKNavigation?) {
viewModel?.makeUrlInjection(into: webView)
}
open func webView(_ webView: WKWebView,
didFailProvisionalNavigation navigation: WKNavigation?,
withError error: Error) {
viewModel?.handleError(error, url: webView.url)
}
open func webView(_ webView: WKWebView,
didFail navigation: WKNavigation?,
withError error: Error) {
viewModel?.handleError(error, url: webView.url)
}
}