platform-ios/RainbowPlanet/RainbowPlanet/Define/Common.swift

//
//  Common.swift
//  RainbowPlanet
//
//  Created by 南鑫林 on 2018/7/1.
//  Copyright © 2018年 南鑫林. All rights reserved.
//

import UIKit
import DeviceKit
import SnapKit
import SwiftyJSON
import ObjectMapper
import RxAtomic
import RxCocoa
import RxSwift
import Kingfisher


//MARK: - 屏幕的高度

///屏幕宽度
let kScreenWidth = UIScreen.main.bounds.size.width
///屏幕高度
let kScreenHeight = UIScreen.main.bounds.size.height

/// 屏幕宽比例
let kScaleWidth = kScreenWidth/375.0
/// 屏幕高比例
let kScaleHeight = kScreenHeight/667.0
/// 比例值
func kScaleValue(value:CGFloat) -> CGFloat {
    return kScreenWidth / 375.0 * value
}

///状态栏高度
let kStatusBarHeight = UIApplication.shared.statusBarFrame.size.height
///navigation高度
let kNavBarHeight = 44.0;
///状态栏顶部的高度
let kStatusBarTopHeight = statusBarTopHeight()
///kNavBar高度
let kNavBarBottom  =  navBarBottom()
///tabbar高度
let kTabBarHeight  =  tabBarHeight()
///tabbar安全高度
let kSafeTabBarHeight = safeTabBarHeight()
///视图的内容高度包含tabbar
let kContentTabbarHeight = kScreenHeight - kNavBarBottom
///视图的内容安全高度包含tabbar
let kContentSafeTabbarHeight = kScreenHeight - kNavBarBottom - kSafeTabBarHeight
///视图的内容高度不包含tabbar
let kContentHeight = kScreenHeight - kNavBarBottom - kTabBarHeight
///navBar的高度
func navBarBottom() -> CGFloat {
    return isIphoneX() ? 88.0 : 64.0
}
///tabBar高度
func tabBarHeight() -> CGFloat {
    return isIphoneX() ? 83.0 : 49.0
}
///tabbar安全高度
func safeTabBarHeight() -> CGFloat {
    return isIphoneX() ? 34.0 : 0.0
}
///状态栏顶部的高度
private func statusBarTopHeight() -> CGFloat {
    return isIphoneX() ? kStatusBarHeight : 0.0
}
///是不是.iPhoneX,.iPhoneXr,.iPhoneXs,.iPhoneXsMax
private func isIphoneX() -> Bool {
    
    let groupOfAllowedDevices: [Device] = [.iPhoneX,.iPhoneXr,.iPhoneXs,.iPhoneXsMax,.simulator(.iPhoneX),.simulator(.iPhoneXr),.simulator(.iPhoneXs),.simulator(.iPhoneXsMax)]
    let device = Device()
    if device.isOneOf(groupOfAllowedDevices) {
        return true
    }else {
        return false
    }
}

//MARK: - 返回本地图片
/// 返回本地图片
///
/// - Parameter name: 图片名字
/// - Returns: 图片
func kImage(name :String) -> UIImage? {
    return UIImage(named: name)
}

//MARK: - 返回url图片
/// 返回url图片
///
/// - Parameter name: 图片url
/// - Returns: 图片
func kURLImage(name :String) -> URL? {
    return URL(string: name)
}

//MARK: - 返回一个颜色
/// 返回一个颜色
///
/// - Parameters:
///   - r: 红色
///   - g: 黄
///   - b: 蓝色
/// - Returns: 颜色
func kRGBColor(r:Float , g:Float , b:Float) -> UIColor {
    return UIColor(red: (CGFloat(r/255.0)), green: (CGFloat(g/255.0)), blue: (CGFloat(b/255.0)), alpha: 1.0)
}

//MARK: - 返回一个颜色
/// 返回一个颜色
///
/// - Parameters:
///   - r: 红色
///   - g: 黄
///   - b: 蓝色
///   - a: 透明度
/// - Returns: 颜色
func kRGBAColor(r:Float , g:Float , b:Float, a:Float) -> UIColor {
    return UIColor(red: (CGFloat(r/255.0)), green: (CGFloat(g/255.0)), blue: (CGFloat(b/255.0)), alpha: CGFloat(a))
}



/// 代码延迟运行
///
/// - Parameters:
///   - delayTime: 延时时间。比如：.seconds(5)、.milliseconds(500)
///   - qosClass: 要使用的全局QOS类（默认为 nil，表示主线程）
///   - closure: 延迟运行的代码
func delay(by delayTime: TimeInterval, qosClass: DispatchQoS.QoSClass? = nil,
           _ closure: @escaping () -> Void) {
    let dispatchQueue = qosClass != nil ? DispatchQueue.global(qos: qosClass!) : .main
    dispatchQueue.asyncAfter(deadline: DispatchTime.now() + delayTime, execute: closure)
}

func getCurrentVC() -> UIViewController {
    let keywindow = (UIApplication.shared.delegate as! AppDelegate).window//UIApplication.shared.keyWindow使用此有时会崩溃
    let firstView: UIView = (keywindow?.subviews.first)!
    let secondView: UIView = firstView.subviews.first!
    var vc = viewForController(view: secondView)!
    vc = ((vc as! UITabBarController).selectedViewController! as! UINavigationController).visibleViewController!

    return vc
}

private func viewForController(view:UIView)->UIViewController?{
    var next:UIView? = view
    repeat{
        if let nextResponder = next?.next, nextResponder is UIViewController {
            return (nextResponder as! UIViewController)
        }
        next = next?.superview
    }while next != nil
    return nil
}