QuickDrop/NearbyShare/SleepManager.swift

//
//  SleepManager.swift
//  QuickDrop
//
//  Created by Leon Böttger on 03.05.25.
//

import Foundation
import IOKit
import IOKit.pwr_mgt

class SleepManager{
    public static let shared = SleepManager()
    private var assertionID: IOPMAssertionID = 0

    public func disableSleep() {
        if(assertionID != 0) {
            return
        }

        IOPMAssertionCreateWithName(
            kIOPMAssertionTypePreventUserIdleSystemSleep as CFString,
            IOPMAssertionLevel(kIOPMAssertionLevelOn),
            "QuickDrop Data Transfer" as CFString,
            &assertionID
        )
    }

    public func enableSleep() {
        if(assertionID == 0 || NearbyConnectionManager.shared.getActiveConnectionsCount() != 0){
            return
        }

        IOPMAssertionRelease(assertionID)
        assertionID = 0
    }

    private init() {}
}