source-code

source-code/ALTs/AltStore/Components/ToastView.swift

@@ -0,0 +1,113 @@
+//
+//  ToastView.swift
+//  AltStore
+//
+//  Created by Riley Testut on 7/19/19.
+//  Copyright © 2019 Riley Testut. All rights reserved.
+//
+
+import Roxas
+
+extension TimeInterval
+{
+    static let shortToastViewDuration = 4.0
+    static let longToastViewDuration = 8.0
+}
+
+class ToastView: RSTToastView
+{
+    var preferredDuration: TimeInterval
+    
+    override init(text: String, detailText detailedText: String?)
+    {
+        if detailedText == nil
+        {
+            self.preferredDuration = .shortToastViewDuration
+        }
+        else
+        {
+            self.preferredDuration = .longToastViewDuration
+        }
+        
+        super.init(text: text, detailText: detailedText)
+        
+        self.layoutMargins = UIEdgeInsets(top: 8, left: 16, bottom: 10, right: 16)
+        self.setNeedsLayout()
+        
+        if let stackView = self.textLabel.superview as? UIStackView
+        {
+            // RSTToastView does not expose stack view containing labels,
+            // so we access it indirectly as the labels' superview.
+            stackView.spacing = (detailedText != nil) ? 4.0 : 0.0
+        }
+    }
+    
+    convenience init(error: Error)
+    {
+        var error = error as NSError
+        var underlyingError = error.userInfo[NSUnderlyingErrorKey] as? NSError
+        
+        var preferredDuration: TimeInterval?
+        
+        if
+            let unwrappedUnderlyingError = underlyingError,
+            error.domain == AltServerErrorDomain && error.code == ALTServerError.Code.underlyingError.rawValue
+        {
+            // Treat underlyingError as the primary error.
+            
+            error = unwrappedUnderlyingError
+            underlyingError = nil
+            
+            preferredDuration = .longToastViewDuration
+        }
+        
+        let text: String
+        let detailText: String?
+        
+        if let failure = error.localizedFailure
+        {
+            text = failure
+            detailText = error.localizedFailureReason ?? error.localizedRecoverySuggestion ?? underlyingError?.localizedDescription ?? error.localizedDescription
+        }
+        else if let reason = error.localizedFailureReason
+        {
+            text = reason
+            detailText = error.localizedRecoverySuggestion ?? underlyingError?.localizedDescription
+        }
+        else
+        {
+            text = error.localizedDescription
+            detailText = underlyingError?.localizedDescription
+        }
+        
+        self.init(text: text, detailText: detailText)
+        
+        if let preferredDuration = preferredDuration
+        {
+            self.preferredDuration = preferredDuration
+        }
+    }
+    
+    required init(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override func layoutSubviews()
+    {
+        super.layoutSubviews()
+        
+        // Rough calculation to determine height of ToastView with one-line textLabel.
+        let minimumHeight = self.textLabel.font.lineHeight.rounded() + 18
+        self.layer.cornerRadius = minimumHeight/2
+    }
+    
+    func show(in viewController: UIViewController)
+    {
+        self.show(in: viewController.navigationController?.view ?? viewController.view, duration: self.preferredDuration)
+    }
+    
+    override func show(in view: UIView)
+    {
+        self.show(in: view, duration: self.preferredDuration)
+    }
+}