PDF_Office/PDF Office/PDF Master/Class/Common/KMCommonDefine.swift

//
//  KMCommonDefine.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2023/3/28.
//

import Foundation

/*  KMCommonDefine [共用的定义] 
 ** 用于定义一些共用的函数、共用的通知名称、其他
 */

// MARK: - 共用的函数

public func KMPrint(_ items: Any..., separator: String = " ", terminator: String = "\n") {
#if DEBUG
    print(items, separator: separator, terminator: terminator)
#endif
}

public func km_synchronized<T>(_ lock: AnyObject, _ body: () throws -> T) rethrows -> T {
    objc_sync_enter(lock)
    defer { objc_sync_exit(lock) }
    return try body()
}

// MARK: - 共用的通知名称

// MARK: - 共用的Block

typealias KMItemClickBlock<T> = (_ item: T?, _ index: Int)->()
typealias KMCommonClickBlock = (_ index: Int, _ params: Any...)->()
typealias KMCommonBlock = (_ params: Any...)->()
typealias KMEmptyBlock = ()->Void

typealias KMValueDidChangeBlock = (_ value: Any?, _ change: [NSKeyValueChangeKey : Any]?)->()
typealias KMResultBlock = (_ result: KMResult?, _ params: Any...)->Void

// MARK: - 其他

let kKMLocalForDraggedTypes = NSPasteboard.PasteboardType(rawValue: "KMLocalForDraggedTypes")

let kKMMainMenuAccountRefreshItemTag = 16

let KMSelectorCopy = NSSelectorFromString("copy:")

let KMNormalBlankSize = NSMakeSize(595, 842)

let kControlString  = "⌃"
let kCommandString  = "⌘"
let kOptionString   = "⌥"
let kShiftString    = "⇧"

// ColumnID

let kPageColumnId = NSUserInterfaceItemIdentifier(rawValue: "page")
let kLabelColumnId = NSUserInterfaceItemIdentifier(rawValue: "label")

let kResultsColumnId = NSUserInterfaceItemIdentifier(rawValue: "results")

// MARK: - 特定的Block

typealias KMBatchActionBlock = (_ controller: NSWindowController, _ files: [KMFileAttribute]) -> Void

// MARK: - KM & KMProtocol

public struct KM<Base> {
    public let base: Base
    
    init(_ base: Base) {
        self.base = base
    }
}

// 凡是遵守了 KMProtocol 协议的类型就都获取了 km 属性
// km 的类型是 KM， KM的关联类型(泛型)就是他自己

public protocol KMProtocol {}
extension KMProtocol {
    
    public var km: KM<Self> {
        return KM(self)
    }
    
    public static var km: KM<Self>.Type {
        return KM.self
    }
}

// 所有 NSObject 的子类都默认遵循了 KMProtocol

extension NSObject: KMProtocol {}