30 lines
808 B
Swift
30 lines
808 B
Swift
/*
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Copyright 2019-2024 New Vector Ltd.
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SPDX-License-Identifier: AGPL-3.0-only
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Please see LICENSE in the repository root for full details.
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*/
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import UIKit
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// Source: https://stackoverflow.com/a/44917661
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class ClosureSleeve {
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let closure: () -> Void
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init(attachTo: AnyObject, closure: @escaping () -> Void) {
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self.closure = closure
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objc_setAssociatedObject(attachTo, "[\(arc4random())]", self, .OBJC_ASSOCIATION_RETAIN)
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}
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@objc func invoke() {
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closure()
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}
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}
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extension UIControl {
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func vc_addAction(for controlEvents: UIControl.Event = .primaryActionTriggered, action: @escaping () -> Void) {
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let sleeve = ClosureSleeve(attachTo: self, closure: action)
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addTarget(sleeve, action: #selector(ClosureSleeve.invoke), for: controlEvents)
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}
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}
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