RoomScreenViewModel is now TimelineViewModel (#3157)

Co-authored-by: Stefan Ceriu <stefanc@matrix.org>
2026-11-03 16:10:20 +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 +1,153 @@
+//
+// 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 ReactionsSummaryView: View {
+    let reactions: [AggregatedReaction]
+    let members: [String: RoomMemberState]
+    let imageProvider: ImageProviderProtocol?
+    
+    @State var selectedReactionKey: String
+    
+    var body: some View {
+        VStack(alignment: .leading, spacing: 0) {
+            reactionButtons
+            sendersList
+        }
+        .presentationDetents([.medium])
+        .presentationBackground(Color.compound.bgCanvasDefault)
+        .presentationDragIndicator(.visible)
+    }
+    
+    private var reactionButtons: some View {
+        ScrollView(.horizontal, showsIndicators: false) {
+            ScrollViewReader { scrollView in
+                HStack(spacing: 8) {
+                    ForEach(reactions) { reaction in
+                        ReactionSummaryButton(reaction: reaction, highlighted: selectedReactionKey == reaction.key) { key in
+                            selectedReactionKey = key
+                        }
+                    }
+                }
+                .padding(.horizontal, 20)
+                .onAppear {
+                    DispatchQueue.main.asyncAfter(deadline: .now() + 0.2) {
+                        scrollView.scrollTo(selectedReactionKey)
+                    }
+                }
+                .onChange(of: selectedReactionKey) { _ in
+                    scrollView.scrollTo(selectedReactionKey)
+                }
+            }
+        }
+        .padding(.top, 24)
+        .padding(.bottom, 12)
+    }
+    
+    private var sendersList: some View {
+        TabView(selection: $selectedReactionKey) {
+            ForEach(reactions) { reaction in
+                ScrollView {
+                    VStack(alignment: .leading, spacing: 8) {
+                        ForEach(reaction.senders) { sender in
+                            ReactionSummarySenderView(sender: sender, member: members[sender.id], imageProvider: imageProvider)
+                                .padding(.horizontal, 16)
+                        }
+                    }
+                    .frame(maxWidth: .infinity)
+                }
+                .tag(reaction.key)
+            }
+        }
+    }
+}
+
+private struct ReactionSummaryButton: View {
+    let reaction: AggregatedReaction
+    let highlighted: Bool
+    let action: (String) -> Void
+    
+    var body: some View {
+        Button { action(reaction.key) } label: { label }
+    }
+    
+    var label: some View {
+        HStack(spacing: 4) {
+            Text(reaction.displayKey)
+                .font(.compound.headingSM)
+                .foregroundColor(textColor)
+            if reaction.count > 1 {
+                Text(String(reaction.count))
+                    .font(.compound.headingSM)
+                    .foregroundColor(textColor)
+            }
+        }
+        .padding(.vertical, 8)
+        .padding(.horizontal, 12)
+        .background(highlighted ? Color.compound.bgActionPrimaryRest : .clear, in: Capsule())
+        .accessibilityElement(children: .combine)
+    }
+    
+    var textColor: Color {
+        highlighted ? Color.compound.textOnSolidPrimary : Color.compound.textSecondary
+    }
+}
+
+private struct ReactionSummarySenderView: View {
+    var sender: ReactionSender
+    var member: RoomMemberState?
+    let imageProvider: ImageProviderProtocol?
+    
+    var displayName: String {
+        member?.displayName ?? sender.id
+    }
+    
+    var body: some View {
+        HStack(spacing: 8) {
+            LoadableAvatarImage(url: member?.avatarURL,
+                                name: displayName,
+                                contentID: sender.id,
+                                avatarSize: .user(on: .timeline),
+                                imageProvider: imageProvider)
+            
+            VStack(alignment: .leading, spacing: 0) {
+                HStack(spacing: 8) {
+                    Text(displayName)
+                        .font(.compound.bodyMDSemibold)
+                        .frame(maxWidth: .infinity, alignment: .leading)
+                    Text(sender.timestamp.formattedMinimal())
+                        .font(.compound.bodyXS)
+                        .foregroundColor(.compound.textSecondary)
+                }
+                Text(sender.id)
+                    .font(.compound.bodySM)
+                    .foregroundColor(.compound.textSecondary)
+            }
+        }
+        
+        .padding(.vertical, 8)
+    }
+}
+
+struct ReactionsSummaryView_Previews: PreviewProvider, TestablePreview {
+    static var previews: some View {
+        ReactionsSummaryView(reactions: AggregatedReaction.mockReactions,
+                             members: [:],
+                             imageProvider: MockMediaProvider(),
+                             selectedReactionKey: AggregatedReaction.mockReactions[0].key)
+    }
+}