update readme

PHDemo/PHDemo/AlertVC.swift

@@ -46,19 +46,17 @@ class AlertVC: ListVC {
                 Alert(.loading(3)).push()
             }
             section.add(title: "图标 + 文字") {
-                Alert(.loading(4).message("正在加载")) { alert in
-                    alert.update(progress: 0)
-                    DispatchQueue.main.asyncAfter(deadline: .now() + 0.01) {
-                        alert.update(progress: 0.01)
+                Alert(.loading.message("正在加载")) { alert in
+                    updateProgress(in: 4) { percent in
+                        alert.update(progress: percent)
+                    } completion: {
+                        alert.update { alert in
+                            alert.vm = .success.message("加载成功")
+                            alert.add(action: "OK")
                         }
-                    DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
-                        alert.update(progress: 0.33)
+                        DispatchQueue.main.asyncAfter(deadline: .now()+2) {
+                            alert.pop()
                         }
-                    DispatchQueue.main.asyncAfter(deadline: .now() + 2) {
-                        alert.update(progress: 0.67)
-                    }
-                    DispatchQueue.main.asyncAfter(deadline: .now() + 3) {
-                        alert.update(progress: 1)
                     }
                 }
             }

PHDemo/PHDemo/TableHeaderView.swift

@@ -38,7 +38,7 @@ class TableHeaderView: UIView {
         addSubview(titleLabel)
         titleLabel.snp.makeConstraints { make in
             make.left.right.equalToSuperview().inset(24)
-            make.top.equalToSuperview().offset(20)
+            make.top.equalToSuperview().offset(28)
         }
         detailLabel.snp.makeConstraints { make in
             make.left.right.equalTo(titleLabel)

PHDemo/PHDemo/ToastVC.swift

@@ -8,6 +8,29 @@
 import UIKit
 import ProHUD
 
+
+func updateProgress(in duration: TimeInterval, callback: @escaping (_ percent: CGFloat) -> Void, completion: (() -> Void)?) {
+    let s = DispatchSemaphore(value: 1)
+    DispatchQueue.global().async {
+        let total = 50
+        for i in 0 ... total {
+            s.wait()
+            DispatchQueue.main.async {
+                callback(CGFloat(i)/CGFloat(total))
+                DispatchQueue.main.asyncAfter(deadline: .now() + (duration / TimeInterval(total))) {
+                    s.signal()
+                    if i == total {
+                        DispatchQueue.main.asyncAfter(deadline: .now() + 0.2) {
+                            completion?()
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
+
+
 class ToastVC: ListVC {
 
     override func viewDidLoad() {
@@ -25,7 +48,6 @@ class ToastVC: ListVC {
             }
         }
         
-        let vm: ViewModel = .loading
         list.add(title: "默认布局") { section in
             section.add(title: "标题 + 正文") {
                 Toast(.title(title).message(message)).push()
@@ -34,20 +56,29 @@ class ToastVC: ListVC {
                 Toast(.message(message)).push()
             }
             section.add(title: "图标 + 标题 + 正文") {
-                let s1 = "正在加载"
-                let s2 = "这条通知4s后消失"
-                let toast = Toast(.loading(4).title(s1).message(s2))
+                let s1 = "笑容正在加载"
+                let s2 = "这通常不会太久"
+                let toast = Toast(.loading.title(s1).message(s2))
                 toast.push()
                 toast.update(progress: 0)
-                DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
-                    toast.update(progress: 0.5)
-                }
-                DispatchQueue.main.asyncAfter(deadline: .now() + 2) {
-                    toast.update(progress: 1)
-                }
-                DispatchQueue.main.asyncAfter(deadline: .now() + 2.5) {
+                updateProgress(in: 4) { percent in
+                    toast.update(progress: percent)
+                } completion: {
                     toast.update { toast in
-                        toast.vm = .success(10).title("加载成功").message("这条通知10s后消失")
+                        toast.vm = .success(5).title("加载成功").message("这条通知5s后消失")
+                        toast.vm.icon = UIImage(named: "twemoji")
+                    }
+                }
+            }
+            section.add(title: "倒计时") {
+                let s1 = "笑容正在消失"
+                let s2 = "这通常不会太久"
+                Toast { toast in
+                    toast.vm = .title(s1).message(s2).icon(UIImage(named: "twemoji"))
+                    updateProgress(in: 5) { percent in
+                        toast.update(progress: 1 - percent)
+                    } completion: {
+                        toast.pop()
                     }
                 }
             }

Sources/ProHUD/Alert/AlertDefaultLayout.swift

@@ -62,7 +62,7 @@ extension Alert: DefaultLayout {
         if contentView.superview != view {
             view.insertSubview(contentView, at: 0)
         }
-        if config.enableShadow {
+        if config.enableShadow && AlertWindow.alerts.count > 0 {
             contentView.clipsToBounds = false
             contentView.layer.shadowRadius = 4
             contentView.layer.shadowOpacity = 0.08
@@ -244,7 +244,7 @@ extension Alert {
     
     public override func viewDidLayoutSubviews() {
         super.viewDidLayoutSubviews()
-        if config.enableShadow {
+        if config.enableShadow && AlertWindow.alerts.count > 1 {
             contentView.layer.shadowPath = UIBezierPath.init(rect: contentView.bounds).cgPath
         }
     }

Sources/ProHUD/Sheet/SheetConfiguration.swift

@@ -41,6 +41,8 @@ public extension Sheet {
         
         override var cardMaxWidthByDefault: CGFloat { cardMaxWidth ?? 500 }
         
+        override var cardMaxHeightByDefault: CGFloat { cardMaxHeight ?? (UIScreen.main.bounds.height - 50) }
+        
         override var titleFontByDefault: UIFont {
             titleFont ?? .systemFont(ofSize: 24, weight: .bold)
         }