39 lines
833 B
Swift
39 lines
833 B
Swift
//
|
|
// NavigationManager.swift
|
|
// Gemini
|
|
//
|
|
// Created by Shadowfacts on 7/14/20.
|
|
//
|
|
|
|
import Foundation
|
|
|
|
class NavigationManager: NSObject, ObservableObject {
|
|
|
|
@Published var currentURL: URL
|
|
@Published var backStack = [URL]()
|
|
@Published var forwardStack = [URL]()
|
|
|
|
init(url: URL) {
|
|
self.currentURL = url
|
|
}
|
|
|
|
func changeURL(_ url: URL) {
|
|
backStack.append(currentURL)
|
|
currentURL = url
|
|
forwardStack = []
|
|
}
|
|
|
|
@objc func back() {
|
|
guard !backStack.isEmpty else { return }
|
|
forwardStack.insert(currentURL, at: 0)
|
|
currentURL = backStack.removeLast()
|
|
}
|
|
|
|
@objc func forward() {
|
|
guard !forwardStack.isEmpty else { return }
|
|
backStack.append(currentURL)
|
|
currentURL = forwardStack.removeFirst()
|
|
}
|
|
|
|
}
|