feat: Add screen for No history - WPB-15227 (#2509)

Co-authored-by: Christoph Aldrian <[email protected]>

WireAuthentication/Sources/WireAuthenticationUI/Resources/en.lproj/Localizable.strings

@@ -39,3 +39,7 @@
 "verification_code.message" = "Enter the verification code we sent to %@.";
 "verification_code.confirm" = "Confirm";
 "verification_code.resend_code" = "Resend Code";
+
+"authentication.no_history.title" = "It’s the first time you’re using Wire on this device.";
+"authentication.no_history.message" = "For privacy reasons, your conversation history will not appear here.";
+"authentication.no_history.confirm" = "OK";

WireAuthentication/Sources/WireAuthenticationUI/Views/Login/NoHistory/NoHistoryView.swift

@@ -23,10 +23,36 @@ struct NoHistoryView: View {
     @ObservedObject var viewModel: NoHistoryViewModel
 
     var body: some View {
-        Color.red
+        VStack(spacing: 20) {
+            Text(L10n.Authentication.NoHistory.title)
+                .multilineTextAlignment(.center)
+                .font(.textStyle(.h2))
+                .lineLimit(nil)
+                .fixedSize(horizontal: false, vertical: true)
+            Text(L10n.Authentication.NoHistory.message)
+                .multilineTextAlignment(.center)
+                .wireTextStyle(.body1)
+                .lineLimit(nil)
+                .fixedSize(horizontal: false, vertical: true)
+            Button(L10n.Authentication.NoHistory.confirm, action: viewModel.confirm)
+                .wireButtonStyle(.primary)
+                .bold()
+        }
+        .padding()
+        .presentationDetents([.medium])
+        .interactiveDismissDisabled()
+        .presentationDragIndicator(.hidden)
     }
+
 }
 
 #Preview {
     NoHistoryView(viewModel: NoHistoryViewModel())
 }
+
+#Preview("With background") {
+    BackgroundView()
+        .sheet(isPresented: .constant(true)) {
+            NoHistoryView(viewModel: NoHistoryViewModel())
+        }
+}

WireAuthentication/Sources/WireAuthenticationUI/Views/Login/NoHistory/NoHistoryViewModel.swift

@@ -22,4 +22,6 @@ import SwiftUI
 import WireAuthenticationAPI
 
 @MainActor
-public final class NoHistoryViewModel: ObservableObject {}
+public final class NoHistoryViewModel: ObservableObject {
+    func confirm() {}
+}

WireAuthentication/Tests/WireAuthenticationUITests/NoHistoryViewTests.swift

@@ -0,0 +1,71 @@
+//
+// Wire
+// Copyright (C) 2025 Wire Swiss GmbH
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see http://www.gnu.org/licenses/.
+//
+
+import Foundation
+
+import SwiftUI
+import WireTestingPackage
+import XCTest
+
+@testable import WireAuthenticationUI
+
+class NoHistoryViewTests: XCTestCase {
+
+    private var snapshotHelper: SnapshotHelper!
+
+    override func setUp() {
+        snapshotHelper = .init()
+            .withSnapshotDirectory(SnapshotTestReferenceImageDirectory)
+    }
+
+    override func tearDown() {
+        snapshotHelper = nil
+    }
+
+    @MainActor
+    func testColorSchemeVariantsEmptyState() {
+        let screenBounds = UIScreen.main.bounds
+
+        let view = NoHistoryView(viewModel: NoHistoryViewModel())
+            .frame(width: screenBounds.width, height: screenBounds.height)
+
+        snapshotHelper
+            .withUserInterfaceStyle(.light)
+            .verify(matching: view, named: "light")
+        snapshotHelper
+            .withUserInterfaceStyle(.dark)
+            .verify(matching: view, named: "dark")
+    }
+
+    @MainActor
+    func testDynamicTypeVariantsEmptyState() {
+        let screenBounds = UIScreen.main.bounds
+
+        let view = NoHistoryView(viewModel: NoHistoryViewModel())
+            .frame(width: screenBounds.width, height: screenBounds.height)
+
+        for dynamicTypeSize in DynamicTypeSize.allCases {
+            snapshotHelper
+                .verify(
+                    matching: view.dynamicTypeSize(dynamicTypeSize),
+                    named: "\(dynamicTypeSize)"
+                )
+        }
+    }
+
+}