Add warning plugin

KJNetworkPlugin/HomeViewController.m

@@ -51,16 +51,19 @@ - (void)testPlugins{
     loading.delayHiddenLoading = 1.;
     loading.displayInWindow = NO;
 
-    KJNetworkThiefPlugin * thiefPlugin = [[KJNetworkThiefPlugin alloc] init];
-    thiefPlugin.maxAgainRequestCount = 2;
-    thiefPlugin.againRequest = YES;
-    thiefPlugin.kChangeRequest = ^(KJNetworkingRequest * _Nonnull request) {
+    KJNetworkThiefPlugin * thief = [[KJNetworkThiefPlugin alloc] init];
+    thief.maxAgainRequestCount = 2;
+    thief.againRequest = YES;
+    thief.kChangeRequest = ^(KJNetworkingRequest * _Nonnull request) {
         if (request.opportunity == KJRequestOpportunityFailure) {
             request.ip = @"https://www.httpbin.org";
         }
     };
 
-    request.plugins = @[indicator, loading, thiefPlugin];
+    KJNetworkWarningPlugin * warning = [[KJNetworkWarningPlugin alloc] init];
+    warning.duration = 5;
+
+    request.plugins = @[indicator, warning, loading, thief];
 
     KJNetworkConfiguration * configuration = [KJNetworkConfiguration defaultConfiguration];
     configuration.openCapture = YES;

NetworkPlugin/Plugins/Warning/KJNetworkWarningPlugin.swift

@@ -6,16 +6,27 @@
 //  https://github.com/yangKJ/KJNetworkPlugin
 //  错误提示插件
 
+///`Toast_Swift`文档
+/// https://github.com/scalessec/Toast-Swift
+
 import Foundation
+import Toast_Swift
 
 /// 错误提示插件
 @objc public final class KJNetworkWarningPlugin: KJNetworkBasePlugin {
 
-    let time: TimeInterval
+    /// Whether to display the Window again, the default is YES
+    @objc public var displayInWindow: Bool = true
+    /// The default duration. Used for the `makeToast` and `showToast` methods that don't require an explicit duration.
+    @objc public var duration: TimeInterval = 1
 
-    @objc public init(delay time: TimeInterval) {
-        self.time = time
-    }
+    /// 是否会覆盖上次的错误展示，
+    /// 如果上次错误展示还在，新的错误展示是否需要覆盖上次
+    /// Whether it will overwrite the last error display,
+    /// If the last error display is still there, whether the new error display needs to overwrite the last one
+    @objc public var coverLastToast: Bool = true
+
+    @objc public override init() { }
 }
 
 extension KJNetworkWarningPlugin {
@@ -24,6 +35,65 @@ extension KJNetworkWarningPlugin {
                                  response: KJNetworkingResponse, againRequest:
                                  UnsafeMutablePointer<ObjCBool>) -> KJNetworkingResponse {
 
+        self.showText(response.error.localizedDescription)
         return response
     }
 }
+
+extension KJNetworkWarningPlugin {
+
+    private func showText(_ text: String) {
+        DispatchQueue.main.async {
+            guard let view = self.displayInWindow ? KJNetworkPlugin.KJNetworkWarningPlugin.keyWindow :
+                    KJNetworkPlugin.KJNetworkWarningPlugin.topViewController?.view else {
+                        return
+                    }
+
+            if self.coverLastToast {
+                view.hideToast()
+            }
+
+            var style = ToastStyle()
+            style.messageColor = UIColor.white
+
+            view.makeToast(text, duration: self.duration, position: ToastPosition.bottom, style: style)
+
+            // or perhaps you want to use this style for all toasts going forward?
+            // just set the shared style and there's no need to provide the style again
+            ToastManager.shared.style = style
+
+            // toggle "tap to dismiss" functionality
+            ToastManager.shared.isTapToDismissEnabled = true
+
+            // toggle queueing behavior
+            ToastManager.shared.isQueueEnabled = !self.coverLastToast
+        }
+    }
+
+    private static var keyWindow: UIWindow? {
+        if #available(iOS 13.0, *) {
+            return UIApplication.shared.connectedScenes
+                .filter { $0.activationState == .foregroundActive }
+                .first(where: { $0 is UIWindowScene })
+                .flatMap({ $0 as? UIWindowScene })?.windows
+                .first(where: \.isKeyWindow)
+        } else {
+            return UIApplication.shared.keyWindow
+        }
+    }
+
+    private static var topViewController: UIViewController? {
+        var vc = keyWindow?.rootViewController
+        if let presentedController = vc as? UITabBarController {
+            vc = presentedController.selectedViewController
+        }
+        while let presentedController = vc?.presentedViewController {
+            if let presentedController = presentedController as? UITabBarController {
+                vc = presentedController.selectedViewController
+            } else {
+                vc = presentedController
+            }
+        }
+        return vc
+    }
+}