78 lines
2.8 KiB
Swift
78 lines
2.8 KiB
Swift
//
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// Copyright (c) 2020 Touch Instinct
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the Software), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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import WebKit
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open class BaseWebViewModel: NSObject, WebViewModelProtocol {
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public var injector: WebViewUrlInjectorProtocol
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public var navigator: WebViewNavigatorProtocol
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public var errorHandler: WebViewErrorHandlerProtocol
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// MARK: - Init
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public init(injector: WebViewUrlInjectorProtocol = BaseWebViewUrlInjector(),
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navigator: WebViewNavigatorProtocol = BaseWebViewNavigator(),
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errorHandler: WebViewErrorHandlerProtocol = BaseWebViewErrorHandler()) {
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self.injector = injector
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self.navigator = navigator
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self.errorHandler = errorHandler
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super.init()
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}
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// MARK: - Open methods
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open func makeUrlInjection(forWebView webView: WKWebView) {
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injector.inject(onWebView: webView)
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}
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open func shouldNavigate(toUrl url: URL) -> WKNavigationActionPolicy {
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navigator.shouldNavigate(toUrl: url)
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}
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open func handleError(_ error: Error, url: URL?) {
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errorHandler.didRecievedError(.init(url: url, error: error))
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}
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// MARK: - WKScriptMessageHandler
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open func userContentController(_ userContentController: WKUserContentController,
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didReceive message: WKScriptMessage) {
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if message.name == WebViewErrorConstants.errorMessageName,
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let error = parseError(message){
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let url = message.webView?.url
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errorHandler.didRecievedError(.init(url: url, jsErrorMessage: error))
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}
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}
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// MARK: - Private methods
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private func parseError(_ message: WKScriptMessage) -> String? {
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let body = message.body as? [String: Any]
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let error = body?[WebViewErrorConstants.errorPropertyName] as? String
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return error
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}
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}
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