Feature/4772 add accessibility declaration

bwi/AccessibilityDeclaration/AccessibilityDeclarationView.swift

@@ -0,0 +1,46 @@
+//
+/*
+ * Copyright (c) 2023 BWI GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import SwiftUI
+
+@objcMembers class AccessibilityDeclarationViewController: NSObject {
+
+    @available(iOS 14.0, *)
+    class func makeViewController() -> UIViewController {
+        var accessibilityDeclarationFilePath: URL? = nil
+        if !BWIBuildSettings.shared.accessibilityDeclarationFileDe.isEmpty && Bundle.main.preferredLocalizations[0].elementsEqual("de") {
+            accessibilityDeclarationFilePath = Bundle.main.url(forResource: BWIBuildSettings.shared.accessibilityDeclarationFileDe, withExtension: "md")
+        } else if !BWIBuildSettings.shared.accessibilityDeclarationFileEn.isEmpty {
+            accessibilityDeclarationFilePath = Bundle.main.url(forResource: BWIBuildSettings.shared.accessibilityDeclarationFileEn, withExtension: "md")
+        }
+        
+        if let url = accessibilityDeclarationFilePath {
+            guard let string = try? String(contentsOf: url) else {
+                return UIHostingController(rootView: EmptyView())
+            }
+            let vc = UIHostingController(rootView: MarkDownView(markdownString: string))
+            vc.title = BWIL10n.bwiAccessibilityDeclarationButtonTitle
+            vc.view.backgroundColor = ThemeService.shared().theme.backgroundColor
+            vc.navigationItem.largeTitleDisplayMode = .never
+            return vc
+        } else {
+            return UIHostingController(rootView: EmptyView())
+        }
+    }
+}
+
+

bwi/MarkDown/MarkDownView.swift

@@ -0,0 +1,62 @@
+//
+/*
+ * Copyright (c) 2023 BWI GmbH
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import SwiftUI
+import Down
+
+struct MarkDownView: View {
+    var markdownString: String
+    @State var labelHeight: CGFloat = .zero
+    
+    var body: some View {
+        GeometryReader { geometry in
+            ScrollView(.vertical) {
+                UIMarkDownWrapper(markDownString: markdownString, height: $labelHeight)
+                    .frame(width: geometry.size.width - 20)
+                    .frame(minHeight: labelHeight)
+                    .padding(10)
+            }
+            .background(Color(ThemeService.shared().theme.backgroundColor))
+        }
+    }
+}
+
+struct UIMarkDownWrapper: UIViewRepresentable {
+    var markDownString: String
+    @Binding var height: CGFloat
+    
+    func makeUIView(context: Context) -> UILabel {
+        let label = UILabel(frame: .zero)
+        label.numberOfLines = 0
+        label.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
+        return label
+    }
+    
+    func updateUIView(_ uiView: UILabel, context: Context) {
+        let down = Down(markdownString: markDownString)
+
+        guard let attributedString = try? down.toAttributedString() else { return }
+        let mutableString = NSMutableAttributedString(attributedString: attributedString)
+        mutableString.addAttributes([.foregroundColor: ThemeService.shared().theme.textPrimaryColor], range: NSRange(location: 0, length: attributedString.length))
+        
+        uiView.attributedText = mutableString
+        DispatchQueue.main.async {
+            height = uiView.sizeThatFits(CGSize(width: uiView.bounds.width, height: CGFloat.greatestFiniteMagnitude)).height
+        }
+    }
+    
+}