Media Preview content scanning (#5851)

* implemented checkSourceSafetyIfNeeded in the timeline media preview * added a subtitle to the spinner when scanning and an animated drag gesture for the error and loading states * pr suggestions * pr suggestions part 2
2026-11-03 15:45:11 +00:00 · 2026-07-09 18:46:14 +02:00
parent ee89f8846f
commit 6bd8423675
15 changed files with 323 additions and 60 deletions
@@ -0,0 +1,61 @@
+//
+// Copyright 2026 Element Creations Ltd.
+//
+// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+// Please see LICENSE files in the repository root for full details.
+//
+
+import Compound
+import SwiftUI
+
+/// Shown fullscreen in place of the media preview when the media failed content scanning.
+struct TimelineMediaContentScanningFailureView: View {
+    let failure: ContentScanningFailure
+    
+    var body: some View {
+        VStack(spacing: 16) {
+            BigIcon(icon: \.errorSolid, style: .alertSolid)
+            
+            VStack(spacing: 8) {
+                Text(title)
+                    .font(.compound.bodyLGSemibold)
+                    .foregroundStyle(.compound.textPrimary)
+                    .multilineTextAlignment(.center)
+                Text(message)
+                    .font(.compound.bodyMD)
+                    .foregroundStyle(.compound.textSecondary)
+                    .multilineTextAlignment(.center)
+            }
+        }
+        .padding(.horizontal, 16)
+        .accessibilityElement(children: .combine)
+    }
+    
+    private var title: String {
+        switch failure {
+        case .notSafe: L10n.contentScannerUnsafeTitle
+        case .notFound: L10n.contentScannerNotFoundTitle
+        }
+    }
+    
+    private var message: String {
+        switch failure {
+        case .notSafe: L10n.contentScannerUnsafeMessage
+        case .notFound: L10n.contentScannerNotFound
+        }
+    }
+}
+
+// MARK: - Previews
+
+struct TimelineMediaContentScanningFailureView_Previews: PreviewProvider, TestablePreview {
+    static var previews: some View {
+        VStack(spacing: 48) {
+            TimelineMediaContentScanningFailureView(failure: .notSafe)
+            TimelineMediaContentScanningFailureView(failure: .notFound)
+        }
+        .frame(maxWidth: .infinity, maxHeight: .infinity)
+        .background(.compound.bgCanvasDefault)
+        .preferredColorScheme(.dark) // The preview controller forces a dark appearance.
+    }
+}