RoomScreenViewModel is now TimelineViewModel (#3157)

Co-authored-by: Stefan Ceriu <stefanc@matrix.org>
2026-11-04 19:44:05 +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 +1,101 @@
+//
+// Copyright 2022 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
+import WysiwygComposer
+
+/// A table view wrapper that displays the timeline of a room.
+struct TimelineView: UIViewControllerRepresentable {
+    @EnvironmentObject private var viewModelContext: TimelineViewModel.Context
+    
+    func makeUIViewController(context: Context) -> TimelineTableViewController {
+        let tableViewController = TimelineTableViewController(coordinator: context.coordinator,
+                                                              isScrolledToBottom: $viewModelContext.isScrolledToBottom,
+                                                              scrollToBottomPublisher: viewModelContext.viewState.timelineViewState.scrollToBottomPublisher)
+        return tableViewController
+    }
+    
+    func updateUIViewController(_ uiViewController: TimelineTableViewController, context: Context) {
+        context.coordinator.update(tableViewController: uiViewController)
+    }
+    
+    func makeCoordinator() -> Coordinator {
+        Coordinator(viewModelContext: viewModelContext)
+    }
+    
+    // MARK: - Coordinator
+    
+    @MainActor
+    class Coordinator {
+        let context: TimelineViewModel.Context
+        
+        init(viewModelContext: TimelineViewModel.Context) {
+            context = viewModelContext
+        }
+        
+        /// Updates the specified table view's properties from the current view state.
+        func update(tableViewController: TimelineTableViewController) {
+            if tableViewController.isSwitchingTimelines != context.viewState.timelineViewState.isSwitchingTimelines {
+                // Must come before timelineItemsDictionary in order to disable animations.
+                tableViewController.isSwitchingTimelines = context.viewState.timelineViewState.isSwitchingTimelines
+            }
+            if tableViewController.timelineItemsDictionary != context.viewState.timelineViewState.itemsDictionary {
+                tableViewController.timelineItemsDictionary = context.viewState.timelineViewState.itemsDictionary
+            }
+            if tableViewController.paginationState != context.viewState.timelineViewState.paginationState {
+                tableViewController.paginationState = context.viewState.timelineViewState.paginationState
+            }
+            if tableViewController.isLive != context.viewState.timelineViewState.isLive {
+                tableViewController.isLive = context.viewState.timelineViewState.isLive
+            }
+            if tableViewController.focussedEvent != context.viewState.timelineViewState.focussedEvent {
+                tableViewController.focussedEvent = context.viewState.timelineViewState.focussedEvent
+            }
+            
+            if tableViewController.typingMembers.members != context.viewState.typingMembers {
+                tableViewController.setTypingMembers(context.viewState.typingMembers)
+            }
+        }
+        
+        func send(viewAction: TimelineViewAction) {
+            context.send(viewAction: viewAction)
+        }
+    }
+}
+
+// MARK: - Previews
+
+struct TimelineView_Previews: PreviewProvider, TestablePreview {
+    static let roomViewModel = RoomScreenViewModel.mock()
+    static let timelineViewModel = TimelineViewModel(roomProxy: RoomProxyMock(.init(id: "stable_id",
+                                                                                    name: "Preview room")),
+                                                     timelineController: MockRoomTimelineController(),
+                                                     mediaProvider: MockMediaProvider(),
+                                                     mediaPlayerProvider: MediaPlayerProviderMock(),
+                                                     voiceMessageMediaManager: VoiceMessageMediaManagerMock(),
+                                                     userIndicatorController: ServiceLocator.shared.userIndicatorController,
+                                                     appMediator: AppMediatorMock.default,
+                                                     appSettings: ServiceLocator.shared.settings,
+                                                     analyticsService: ServiceLocator.shared.analytics)
+
+    static var previews: some View {
+        NavigationStack {
+            RoomScreen(roomViewModel: roomViewModel,
+                       timelineViewModel: timelineViewModel,
+                       composerToolbar: ComposerToolbar.mock())
+        }
+    }
+}