RoomScreenViewModel is now TimelineViewModel (#3157)

Co-authored-by: Stefan Ceriu <stefanc@matrix.org>
2026-11-04 10:33:45 +00:00 · 2024-08-13 13:36:40 +02:00
parent 4519275559
commit 1ad361a6e8
88 changed files with 2266 additions and 1973 deletions
@@ -0,0 +1,114 @@
+//
+// Copyright 2023 New Vector Ltd
+//
+// 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
+
+struct LongPressWithFeedback: ViewModifier {
+    let action: () -> Void
+    
+    @State private var triggerTask: Task<Void, Never>?
+    @State private var isLongPressing = false
+    private let feedbackGenerator = UIImpactFeedbackGenerator(style: .heavy)
+    
+    func body(content: Content) -> some View {
+        content
+            .compositingGroup() // Apply the shadow to the view as a whole.
+            .shadow(color: .black.opacity(isLongPressing ? 0.2 : 0.0), radius: isLongPressing ? 12 : 0)
+            .shadow(color: .black.opacity(isLongPressing ? 0.1 : 0.0), radius: isLongPressing ? 3 : 0)
+            .scaleEffect(x: isLongPressing ? 1.05 : 1,
+                         y: isLongPressing ? 1.05 : 1)
+            .animation(.spring(response: 0.7).delay(isLongPressing ? 0.1 : 0).disabledDuringTests(),
+                       value: isLongPressing)
+            // The minimum duration here doesn't actually invoke the perform block when elapsed (thus
+            // the implementation below) but it does cancel other system gestures e.g. swipe to reply
+            .onLongPressGesture(minimumDuration: 0.25) { } onPressingChanged: { isPressing in
+                isLongPressing = isPressing
+                
+                guard isPressing else {
+                    triggerTask?.cancel()
+                    return
+                }
+                
+                feedbackGenerator.prepare()
+                
+                triggerTask = Task {
+                    // The wait time needs to be at least 0.5 seconds or the long press gesture will take precedence over long pressing links.
+                    try? await Task.sleep(for: .seconds(0.5))
+                    
+                    if Task.isCancelled { return }
+
+                    action()
+                    feedbackGenerator.impactOccurred()
+                }
+            }
+    }
+}
+
+extension View {
+    func longPressWithFeedback(action: @escaping () -> Void) -> some View {
+        modifier(LongPressWithFeedback(action: action))
+    }
+}
+
+struct LongPressWithFeedback_Previews: PreviewProvider, TestablePreview {
+    static var previews: some View { Preview() }
+    
+    struct Preview: View {
+        private let viewModel = TimelineViewModel.mock
+        @State private var isPresentingSheet = false
+        
+        var body: some View {
+            NavigationStack {
+                ScrollView {
+                    VStack(alignment: .leading, spacing: 8) {
+                        mockBubble("This is a message from somebody with a couple of lines of text.")
+                            .longPressWithFeedback { isPresentingSheet = true }
+                        
+                        mockBubble("Short message")
+                            .longPressWithFeedback { isPresentingSheet = true }
+                        
+                        mockBubble("How are you today? The sun is shining here and its very hot ☀️☀️☀️")
+                            .longPressWithFeedback { isPresentingSheet = true }
+                        
+                        mockBubble("I'm a fake!")
+                            .contextMenu {
+                                Button("Copy") { }
+                                Button("Reply") { }
+                                Button("Remove") { }
+                            }
+                    }
+                    .padding()
+                }
+                .navigationTitle("Work chat")
+                .navigationBarTitleDisplayMode(.inline)
+            }
+            .sheet(isPresented: $isPresentingSheet) {
+                Text("Long pressed!")
+                    .presentationDetents([.medium])
+            }
+            .environmentObject(viewModel.context)
+        }
+        
+        func mockBubble(_ body: String) -> some View {
+            Text(body)
+                .padding(.horizontal, 12)
+                .padding(.vertical, 4)
+                .background(Color.compound._bgBubbleOutgoing, in: RoundedRectangle(cornerRadius: 12))
+                .contentShape(.contextMenuPreview, RoundedRectangle(cornerRadius: 12))
+                .onTapGesture { /* Fix long press gesture blocking the scroll view */ }
+        }
+    }
+}