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Code Issues 95 Packages Projects Releases 10 Wiki Activity

back-portable TableView DiffableDataSource

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This commit is contained in:
John Estropia
2019-10-13 11:45:30 +09:00
parent 12c58e3955
commit f5a165d47d
20 changed files with 2031 additions and 636 deletions
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30
Sources/Internals.SharedNotificationObserver.swift
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@@ -56,18 +56,19 @@ extension Internals {
deinit {
self.observer.map(NotificationCenter.default.removeObserver(_:))
self.observers.removeAllObjects()
}
internal func addObserver<U: AnyObject>(_ observer: U, closure: @escaping (T) -> Void) {
self.observers.setObject(Closure(closure), forKey: observer)
self.observers.setObject(Closure<T, Void>(closure), forKey: observer)
}
// MARK: Private
private var observer: NSObjectProtocol!
private let observers: NSMapTable<AnyObject, Closure> = .weakToStrongObjects()
private let observers: NSMapTable<AnyObject, Closure<T, Void>> = .weakToStrongObjects()
private func notifyObservers(_ sharedValue: T) {
@@ -77,31 +78,8 @@ extension Internals {
}
for closure in enumerator {
(closure as! Closure).invoke(with: sharedValue)
(closure as! Closure<T, Void>).invoke(with: sharedValue)
}
}
// MARK: - Closure
fileprivate final class Closure {
// MARK: FilePrivate
fileprivate init(_ closure: @escaping (T) -> Void) {
self.closure = closure
}
fileprivate func invoke(with argument: T) {
self.closure(argument)
}
// MARK: Private
private let closure: (T) -> Void
}
}
}