Some appearance tweaks

App/Titlebar and URL Bar/URLBar.swift

@@ -7,7 +7,7 @@
 
 import UIKit
 
-class URLBar: UIView
+class URLBar: ReliefButton
 {
     let textField = UITextField(frame: .zero)
     let refreshButton = UIButton(frame: .zero)
@@ -23,8 +23,6 @@ class URLBar: UIView
         didSet { updateProgressIndicator() }
     }
     
-    private let backgroundView = UIVisualEffectView(effect: UIBlurEffect(style: .systemThickMaterial))
-    private let shadowView = UIView(frame: .zero)
     private let fadeMaskView = UIImageView(frame: .zero)
     
     private let progressIndicatorView = ProgressIndicatorView()
@@ -33,21 +31,14 @@ class URLBar: UIView
     private let refreshImage = UIImage(systemName: "arrow.clockwise")
     private let stopImage = UIImage(systemName: "xmark")
     
-    private let backgroundCornerRadius: CGFloat = 4
+    private let backgroundCornerRadius: CGFloat = 0
     
-    convenience init() {
-        self.init(frame: .zero)
+    override init() {
+        super.init()
         
         backgroundColor = .clear
         
-        backgroundView.layer.masksToBounds = true
-        backgroundView.layer.cornerRadius = backgroundCornerRadius
-        backgroundView.layer.borderWidth = 1
-        backgroundView.layer.borderColor = UIColor.secondarySystemFill.cgColor
-        backgroundView.isUserInteractionEnabled = false
-        addSubview(backgroundView)
-        
-        backgroundView.contentView.addSubview(progressIndicatorView)
+        backgroundView.addSubview(progressIndicatorView)
         
         textField.backgroundColor = .clear
         textField.textContentType = .URL
@@ -82,6 +73,10 @@ class URLBar: UIView
         setErrorButtonAnimating(false)
     }
     
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
     private func updateProgressIndicator() {
         setErrorButtonAnimating(false)
         
@@ -176,7 +171,7 @@ class URLBar: UIView
         super.layoutSubviews()
         backgroundView.frame = bounds
         shadowView.frame = bounds
-        progressIndicatorView.frame = backgroundView.contentView.bounds
+        progressIndicatorView.frame = backgroundView.bounds
         textField.frame = bounds.insetBy(dx: 6.0, dy: 0)
         
         var fadeCutoffLocation: CGFloat = 0.8