mastodon-ios/Mastodon/Vender/CustomScheduler.swift

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2021-04-30 13:28:06 +02:00
//
// CustomScheduler.swift
// Mastodon
//
// Created by MainasuK Cirno on 2021-4-30.
//
import Foundation
import Combine
// Ref: https://stackoverflow.com/a/59069315/3797903
struct CustomScheduler: Scheduler {
var runLoop: RunLoop
var modes: [RunLoop.Mode] = [.default]
func schedule(after date: RunLoop.SchedulerTimeType, interval: RunLoop.SchedulerTimeType.Stride,
tolerance: RunLoop.SchedulerTimeType.Stride, options: Never?,
_ action: @escaping () -> Void) -> Cancellable {
let timer = Timer(fire: date.date, interval: interval.magnitude, repeats: true) { timer in
action()
}
for mode in modes {
runLoop.add(timer, forMode: mode)
}
return AnyCancellable {
timer.invalidate()
}
}
func schedule(after date: RunLoop.SchedulerTimeType, tolerance: RunLoop.SchedulerTimeType.Stride,
options: Never?, _ action: @escaping () -> Void) {
let timer = Timer(fire: date.date, interval: 0, repeats: false) { timer in
timer.invalidate()
action()
}
for mode in modes {
runLoop.add(timer, forMode: mode)
}
}
func schedule(options: Never?, _ action: @escaping () -> Void) {
runLoop.perform(inModes: modes, block: action)
}
var now: RunLoop.SchedulerTimeType { RunLoop.SchedulerTimeType(Date()) }
var minimumTolerance: RunLoop.SchedulerTimeType.Stride { RunLoop.SchedulerTimeType.Stride(0.1) }
typealias SchedulerTimeType = RunLoop.SchedulerTimeType
typealias SchedulerOptions = Never
}