56 lines
1.3 KiB
Swift
56 lines
1.3 KiB
Swift
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//
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// TimerModel.swift
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// Crush
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//
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// Created by Leon on 2025/8/1.
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//
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import Foundation
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class TimerModel {
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// MARK: - Properties
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private var timer: DispatchSourceTimer?
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private var isSuspended: Bool = false
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var timerBlock: (() -> Void)?
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// MARK: - Lazy Timer
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private func createTimer() -> DispatchSourceTimer {
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let timer = DispatchSource.makeTimerSource(queue: .global())
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timer.schedule(deadline: .now(), repeating: .milliseconds(100)) // 0.1s interval
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timer.setEventHandler { [weak self] in
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self?.timerBlock?()
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}
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return timer
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}
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// MARK: - Public Methods
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func startTimer() {
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if !isSuspended, timer != nil { return }
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isSuspended = false
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if timer == nil {
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timer = createTimer()
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}
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timer?.resume()
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//dlog("🔥: resume once")
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}
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func pauseTimer() {
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guard let timer = timer, !isSuspended else { return }
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isSuspended = true
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timer.suspend()
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//dlog("🔥: suspend once")
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}
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// MARK: - Deinit
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deinit {
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dlog("📻 audio timer dealloc")
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if let timer = timer {
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if isSuspended {
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startTimer() // Resume to allow cancellation
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}
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timer.cancel()
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self.timer = nil
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}
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}
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}
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