Epub阅读器0.0.1

2026-05-21 19:40:51 +08:00
commit daa36d8fe7
559 changed files with 106266 additions and 0 deletions
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+//
+//  EventTrigger.swift
+//  
+//
+//  Created by yangsq on 2020/11/4.
+//
+
+import Foundation
+
+ protocol SSEventTrigger {
+    associatedtype Event
+    typealias TriggerEvent = (Event) -> Void
+    var triggerEvent: TriggerEvent? { get set }
+    func trigger(event: TriggerEvent?)
+}
+
+private var triggerEventKey: UInt8 = 0
+extension SSEventTrigger {
+    private var _triggerEvent:TriggerEvent? {
+        get {return objc_getAssociatedObject(self, &triggerEventKey) as? Self.TriggerEvent}
+        set {objc_setAssociatedObject(self, &triggerEventKey, newValue, .OBJC_ASSOCIATION_COPY_NONATOMIC)}
+    }
+    
+    var triggerEvent: TriggerEvent? {
+        get{_triggerEvent}
+        set{
+            if newValue != nil {
+                _triggerEvent = newValue!
+            }
+        }
+    }
+    
+    func trigger(event: TriggerEvent?) {
+        if event != nil {
+            objc_setAssociatedObject(self, &triggerEventKey, event!, .OBJC_ASSOCIATION_COPY_NONATOMIC)
+        }
+    }
+}