113 lines
3.1 KiB
Swift
113 lines
3.1 KiB
Swift
//
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// DarwinNotificationName.swift
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// punchnet
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//
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// Created by 安礼成 on 2026/4/3.
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//
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import Foundation
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// MARK: - Darwin Notification Name
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public struct DarwinNotificationName: RawRepresentable, Hashable {
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public let rawValue: String
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public init(rawValue: String) {
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self.rawValue = rawValue
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}
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}
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// 预定义名称
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extension DarwinNotificationName {
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static let vpnStatusChanged = DarwinNotificationName(rawValue: "com.jihe.punchnetmac.vpnStatusChanged")
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}
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// MARK: - Manager
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public final class DarwinNotificationCenter {
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public static let shared = DarwinNotificationCenter()
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private let center = CFNotificationCenterGetDarwinNotifyCenter()
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private var observers: [DarwinNotificationName: (DarwinNotificationName) -> Void] = [:]
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private let lock = NSLock()
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private init() {}
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// MARK: - Add Observer
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public func addObserver(for name: DarwinNotificationName, queue: DispatchQueue = .main, using block: @escaping (DarwinNotificationName) -> Void ) {
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lock.lock()
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defer {
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lock.unlock()
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}
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if observers[name] == nil {
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// 首次注册到 Darwin Center
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CFNotificationCenterAddObserver(
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center,
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UnsafeMutableRawPointer(Unmanaged.passUnretained(self).toOpaque()),
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{ (_, observer, cfName, _, _) in
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guard let observer, let cfName else {
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return
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}
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let instance = Unmanaged<DarwinNotificationCenter>
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.fromOpaque(observer)
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.takeUnretainedValue()
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let name = DarwinNotificationName(rawValue: cfName.rawValue as String)
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instance.handle(name: name)
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},
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name.rawValue as CFString,
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nil,
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.deliverImmediately
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)
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observers[name] = { n in
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queue.async {
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block(n)
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}
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}
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}
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}
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// MARK: - Remove Observer
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public func removeObserver(for name: DarwinNotificationName) {
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lock.lock()
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defer {
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lock.unlock()
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}
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if observers[name] != nil {
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CFNotificationCenterRemoveObserver(
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center,
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UnsafeMutableRawPointer(Unmanaged.passUnretained(self).toOpaque()),
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CFNotificationName(name.rawValue as CFString),
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nil
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)
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}
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observers.removeValue(forKey: name)
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}
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// MARK: - Post
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public func post(_ name: DarwinNotificationName) {
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CFNotificationCenterPostNotification(
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center,
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CFNotificationName(name.rawValue as CFString),
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nil,
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nil,
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true
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)
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}
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// MARK: - Handle
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private func handle(name: DarwinNotificationName) {
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lock.lock()
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let block = observers[name]
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lock.unlock()
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block?(name)
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}
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}
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