kiwix-apple/ViewModel/ContentSearchViewModel.swift
2025-04-15 00:56:02 +02:00

57 lines
1.8 KiB
Swift

// This file is part of Kiwix for iOS & macOS.
//
// Kiwix is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// any later version.
//
// Kiwix is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Kiwix; If not, see https://www.gnu.org/licenses/.
#if os(macOS)
import Foundation
import WebKit
@MainActor
final class ContentSearchViewModel: NSObject, ObservableObject {
@Published var contentSearchText: String = "" {
didSet {
Task { [self] in await self.findNext() }
}
}
/// see: https://developer.apple.com/documentation/webkit/wkwebview/3650493-find
private var findInWebPage: (String, WKFindConfiguration) async throws -> WKFindResult
init(findInWebPage: @escaping (String, WKFindConfiguration) async throws -> WKFindResult) {
self.findInWebPage = findInWebPage
}
func findNext() async {
let config = WKFindConfiguration()
config.backwards = false
config.wraps = true
_ = try? await findInWebPage(contentSearchText, config)
}
func findPrevious() async {
let config = WKFindConfiguration()
config.backwards = true
config.wraps = true
_ = try? await findInWebPage(contentSearchText, config)
}
func reset() {
Task { @MainActor in // intentionally publishing on the next run loop
contentSearchText = ""
}
}
}
#endif