Add FXIOS-13525 - [Minimal Address Bar] - Animate minimal address bar to full size on tap (#29386)

Animate address bar to full size on tap.

Author: PARAIPAN9

firefox-ios/Client/Frontend/Browser/BrowserViewController/Views/BrowserViewController.swift

@@ -862,7 +862,7 @@ class BrowserViewController: UIViewController,
 
         if let tab = tabManager.selectedTab, !tab.isFindInPageMode {
             // Re-show toolbar which might have been hidden during scrolling (prior to app moving into the background)
-            scrollController.showToolbars(animated: false)
+            if !isMinimalAddressBarEnabled { scrollController.showToolbars(animated: false) }
         }
         navigationHandler?.showTermsOfUse(context: .appBecameActive)
         browserDidBecomeActive()

firefox-ios/Client/Frontend/Browser/TabScrollController/LegacyTabScrollController.swift

@@ -266,11 +266,21 @@ final class LegacyTabScrollController: NSObject,
     func configureToolbarViews(overKeyboardContainer: BaseAlphaStackView?,
                                bottomContainer: BaseAlphaStackView?,
                                headerContainer: BaseAlphaStackView?) {
+        let tapHandler = createToolbarTapHandler()
+        overKeyboardContainer?.onTap = tapHandler
+        headerContainer?.onTap = tapHandler
         self.overKeyboardContainer = overKeyboardContainer
         self.bottomContainer = bottomContainer
         self.headerContainer = headerContainer
     }
 
+    private func createToolbarTapHandler() -> (() -> Void) {
+        return { [unowned self] in
+            guard isMinimalAddressBarEnabled && toolbarState == .collapsed else { return }
+            showToolbars(animated: true)
+        }
+    }
+
     @MainActor
     private func handleOnTabContentLoading() {
         if tabIsLoading() || (tab?.isFxHomeTab ?? false) {

firefox-ios/Client/Frontend/Components/BaseAlphaStackView.swift

@@ -14,6 +14,7 @@ class BaseAlphaStackView: UIStackView, AlphaDimmable, ThemeApplicable {
     var isClearBackground = false
     var isSpacerClearBackground = false
     lazy var toolbarHelper: ToolbarHelperInterface = ToolbarHelper()
+    var onTap: (() -> Void)?
 
     private var isToolbarRefactorEnabled: Bool {
         return FxNimbus.shared.features.toolbarRefactorFeature.value().enabled
@@ -27,6 +28,7 @@ class BaseAlphaStackView: UIStackView, AlphaDimmable, ThemeApplicable {
         super.init(frame: frame)
 
         setupStyle()
+        setupTapGesture()
     }
 
     required init(coder: NSCoder) {
@@ -46,6 +48,16 @@ class BaseAlphaStackView: UIStackView, AlphaDimmable, ThemeApplicable {
         alignment = .fill
     }
 
+    private func setupTapGesture() {
+        let tapGesture = UITapGestureRecognizer(target: self, action: #selector(handleTap))
+        addGestureRecognizer(tapGesture)
+    }
+
+    @objc
+    private func handleTap() {
+        onTap?()
+    }
+
     // MARK: - Spacer view
 
     private var keyboardSpacerHeight: NSLayoutConstraint?

firefox-ios/firefox-ios-tests/Tests/ClientTests/Frontend/Browser/LegacyTabScrollControllerTests.swift

@@ -300,6 +300,26 @@ final class LegacyTabScrollControllerTests: XCTestCase {
         XCTAssertEqual(result, .zero)
     }
 
+    func testToolbarTapHandler_WhenMinimalAddressBarEnabledAndCollapsed_ShowsToolbar() {
+        let subject = createSubject()
+        setupTabScroll(with: subject)
+
+        subject.toolbarState = .collapsed
+        overKeyboardContainer.onTap?()
+
+        XCTAssertEqual(subject.toolbarState, .visible)
+    }
+
+    func testToolbarTapHandler_WhenToolbarVisible_DoesNothing() {
+        let subject = createSubject()
+        setupTabScroll(with: subject)
+
+        subject.toolbarState = .visible
+        overKeyboardContainer.onTap?()
+
+        XCTAssertEqual(subject.toolbarState, .visible)
+    }
+
     // MARK: - Setup
     private func setupTabScroll(with subject: LegacyTabScrollController) {
         tab.createWebview(configuration: .init())