Add "reopen tweaks" button to Floating Tweak Window

Previously, once you were in the "floating tweak window" state, you couldn't get right back into SwiftTweaks' main interface.

Now there's a new button on the floating tweak window that pops you back into SwiftTweaks' interface.

SwiftTweaks/FloatingTweakGroupViewController.swift

@@ -14,6 +14,7 @@ import UIKit
 internal protocol FloatingTweaksWindowPresenter {
 	func presentFloatingTweaksUI(forTweakGroup tweakGroup: TweakGroup)
 	func dismissFloatingTweaksUI()
+	func resumeDisplayingMainTweaksInterface()
 }
 
 // MARK: - FloatingTweakGroupViewController
@@ -85,7 +86,7 @@ internal final class FloatingTweakGroupViewController: UIViewController {
 	internal static let margins: CGFloat = 5
 	private static let minimizedWidth: CGFloat = 30
 
-	private static let closeButtonSize = CGSize(width: 42, height: 32)
+	private static let navBarButtonSize = CGSize(width: 42, height: 32)
 	private static let navBarHeight: CGFloat = 32
 	private static let windowCornerRadius: CGFloat = 5
 
@@ -116,6 +117,14 @@ internal final class FloatingTweakGroupViewController: UIViewController {
 		return button
 	}()
 
+	private let reopenButton: UIButton = {
+		let button = UIButton()
+		let buttonImage = UIImage(swiftTweaksImage: .floatingReopenButton).withRenderingMode(.alwaysTemplate)
+		button.setImage(buttonImage.imageTintedWithColor(AppTheme.Colors.controlTinted), for: UIControl.State())
+		button.setImage(buttonImage.imageTintedWithColor(AppTheme.Colors.controlTintedPressed), for: .highlighted)
+		return button
+	}()
+
 	fileprivate let tableView: UITableView = {
 		let tableView = UITableView(frame: .zero, style: .plain)
 		tableView.backgroundColor = .clear
@@ -152,7 +161,9 @@ internal final class FloatingTweakGroupViewController: UIViewController {
 
 		// The "fake nav bar"
 		closeButton.addTarget(self, action: #selector(self.closeButtonTapped), for: .touchUpInside)
+		reopenButton.addTarget(self, action: #selector(self.reopenButtonTapped), for: .touchUpInside)
 		navBar.addSubview(closeButton)
+		navBar.addSubview(reopenButton)
 		navBar.addSubview(titleLabel)
 		view.addSubview(navBar)
 
@@ -192,7 +203,13 @@ internal final class FloatingTweakGroupViewController: UIViewController {
 			return mask
 			}()
 
-		closeButton.frame = CGRect(origin: .zero, size: FloatingTweakGroupViewController.closeButtonSize)
+		closeButton.frame = CGRect(origin: .zero, size: FloatingTweakGroupViewController.navBarButtonSize)
+		reopenButton.sizeToFit()
+		reopenButton.frame = CGRect(
+			origin: CGPoint(
+				x: navBar.bounds.width - FloatingTweakGroupViewController.navBarButtonSize.width,
+				y: 0),
+			size: FloatingTweakGroupViewController.navBarButtonSize)
 		titleLabel.frame = CGRect(
 			origin: CGPoint(
 				x: closeButton.frame.width,
@@ -215,6 +232,10 @@ internal final class FloatingTweakGroupViewController: UIViewController {
 
 	// MARK: Actions
 
+	@objc private func reopenButtonTapped() {
+		self.presenter.resumeDisplayingMainTweaksInterface()
+	}
+
 	@objc private func closeButtonTapped() {
 		presenter.dismissFloatingTweaksUI()
 	}

SwiftTweaks/Media.xcassets/floating-ui-open-tweaks.imageset/Contents.json

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "floating-ui-open-tweaks.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "floating-ui-open-tweaks@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "floating-ui-open-tweaks@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

SwiftTweaks/TweakWindow.swift

@@ -173,57 +173,56 @@ extension TweakWindow: FloatingTweaksWindowPresenter {
 
 	/// Presents a floating TweakGroup over your app's UI, so you don't have to hop in and out of the full-modal Tweak UI.
 	internal func presentFloatingTweaksUI(forTweakGroup tweakGroup: TweakGroup) {
-		if (floatingTweakGroupUIWindow == nil) {
-			let window = HitTransparentWindow()
-			window.frame = UIScreen.main.bounds
-			window.backgroundColor = UIColor.clear
-
-			var originY = window.frame.size.height - FloatingTweakGroupViewController.height - FloatingTweakGroupViewController.margins
-			if #available(iOS 11.0, *) {
-				originY = originY - self.safeAreaInsets.bottom
-			}
+		guard floatingTweakGroupUIWindow == nil else { return }
 
-			let floatingTweakGroupFrame = CGRect(
-				origin: CGPoint(
-					x: FloatingTweakGroupViewController.margins,
-					y: originY
-				),
-				size: CGSize(
-					width: window.frame.size.width - FloatingTweakGroupViewController.margins*2,
-					height: FloatingTweakGroupViewController.height
-				)
-			)
+		let window = HitTransparentWindow()
+		window.frame = UIScreen.main.bounds
+		window.backgroundColor = UIColor.clear
 
-			let floatingTweaksVC = FloatingTweakGroupViewController(frame: floatingTweakGroupFrame, tweakStore: tweakStore, presenter: self)
-			floatingTweaksVC.tweakGroup = tweakGroup
-			window.rootViewController = floatingTweaksVC
-			window.addSubview(floatingTweaksVC.view)
-
-			window.alpha = 0
-			let initialWindowFrame = window.frame.offsetBy(dx: 0, dy: floatingTweaksVC.view.bounds.height)
-			let destinationWindowFrame = window.frame
-			window.makeKeyAndVisible()
-			floatingTweakGroupUIWindow = window
-
-			window.frame = initialWindowFrame
-			UIView.animate(
-				withDuration: TweakWindow.presentationDuration,
-				delay: 0,
-				usingSpringWithDamping: TweakWindow.presentationDamping,
-				initialSpringVelocity: TweakWindow.presentationVelocity,
-				options: .beginFromCurrentState,
-				animations: { 
-					window.frame = destinationWindowFrame
-					window.alpha = 1
-				},
-				completion: nil
-			)
+		var originY = window.frame.size.height - FloatingTweakGroupViewController.height - FloatingTweakGroupViewController.margins
+		if #available(iOS 11.0, *) {
+			originY = originY - self.safeAreaInsets.bottom
 		}
+
+		let floatingTweakGroupFrame = CGRect(
+			origin: CGPoint(
+				x: FloatingTweakGroupViewController.margins,
+				y: originY
+			),
+			size: CGSize(
+				width: window.frame.size.width - FloatingTweakGroupViewController.margins*2,
+				height: FloatingTweakGroupViewController.height
+			)
+		)
+
+		let floatingTweaksVC = FloatingTweakGroupViewController(frame: floatingTweakGroupFrame, tweakStore: tweakStore, presenter: self)
+		floatingTweaksVC.tweakGroup = tweakGroup
+		window.rootViewController = floatingTweaksVC
+		window.addSubview(floatingTweaksVC.view)
+
+		window.alpha = 0
+		let initialWindowFrame = window.frame.offsetBy(dx: 0, dy: floatingTweaksVC.view.bounds.height)
+		let destinationWindowFrame = window.frame
+		window.makeKeyAndVisible()
+		floatingTweakGroupUIWindow = window
+
+		window.frame = initialWindowFrame
+		UIView.animate(
+			withDuration: TweakWindow.presentationDuration,
+			delay: 0,
+			usingSpringWithDamping: TweakWindow.presentationDamping,
+			initialSpringVelocity: TweakWindow.presentationVelocity,
+			options: .beginFromCurrentState,
+			animations: {
+				window.frame = destinationWindowFrame
+				window.alpha = 1
+			},
+			completion: nil
+		)
 	}
 
 	/// Dismisses the floating TweakGroup
 	func dismissFloatingTweaksUI() {
-
 		guard let floatingTweakGroupUIWindow = floatingTweakGroupUIWindow else { return }
 
 		UIView.animate(
@@ -240,4 +239,11 @@ extension TweakWindow: FloatingTweaksWindowPresenter {
 			}
 		)
 	}
+
+	func resumeDisplayingMainTweaksInterface() {
+		guard floatingTweakGroupUIWindow != nil else { return }
+
+		self.dismissFloatingTweaksUI()
+		self.presentTweaks()
+	}
 }

SwiftTweaks/UIImage+SwiftTweaks.swift

@@ -14,6 +14,7 @@ internal extension UIImage {
 		case disclosureIndicator = "disclosure-indicator"
 		case floatingPlusButton = "floating-plus-button"
 		case floatingCloseButton = "floating-ui-close"
+		case floatingReopenButton = "floating-ui-open-tweaks"
 		case floatingMinimizedArrow = "floating-ui-minimized-arrow"
 	}