LeadKit/TIWebView/Sources/NavigationHandler/BaseWebViewNavigator.swift

61 lines
2.0 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 Foundation
import enum WebKit.WKNavigationActionPolicy
open class BaseWebViewNavigator {
public typealias WebViewNavigationMap = [WebViewUrlComparator: NavigationResult]
public let navigationMap: WebViewNavigationMap
public init(navigationMap: WebViewNavigationMap) {
self.navigationMap = navigationMap
}
public convenience init() {
self.init(navigationMap: [:])
}
open func shouldNavigate(toUrl url: URL) -> WKNavigationActionPolicy {
guard !navigationMap.isEmpty else {
return .cancel
}
let decision = navigationMap.first { (comparator, _) in
url.compare(by: comparator)
}?.value
switch decision {
case let .closure(closure):
return closure(url)
case let .simpleResult(result):
return result
case .none:
return .cancel
}
}
}