Caching the room proxies and their messages. Improved performance throughout.

2026-11-04 01:20:12 +00:00 · 2022-03-31 15:37:52 +03:00
parent b50bf724a3
commit 49f7678ce8
22 changed files with 191 additions and 189 deletions
@@ -30,7 +30,7 @@ struct EmoteRoomTimelineView: View {

 struct EmoteRoomTimelineView_Previews: PreviewProvider {
    static var previews: some View {
-        body
+        body.preferredColorScheme(.light)
        body.preferredColorScheme(.dark)
    }
    
@@ -51,7 +51,7 @@ struct EventBasedTimelineView: View {

 struct EventBasedTimelineView_Previews: PreviewProvider {
    static var previews: some View {
-        body
+        body.preferredColorScheme(.light)
        body.preferredColorScheme(.dark)
    }
    
@@ -35,7 +35,7 @@ struct FormattedBodyText: View {

 struct FormattedBodyText_Previews: PreviewProvider {
    static var previews: some View {
-        body
+        body.preferredColorScheme(.light)
        body.preferredColorScheme(.dark)
        
    }
@@ -35,7 +35,7 @@ struct ImageRoomTimelineView: View {

 struct ImageRoomTimelineView_Previews: PreviewProvider {
    static var previews: some View {
-        body
+        body.preferredColorScheme(.light)
        body.preferredColorScheme(.dark)
    }
     
@@ -30,7 +30,7 @@ struct NoticeRoomTimelineView: View {

 struct NoticeRoomTimelineView_Previews: PreviewProvider {
    static var previews: some View {
-        body
+        body.preferredColorScheme(.light)
        body.preferredColorScheme(.dark)
    }
    
@@ -36,7 +36,7 @@ struct PlaceholderAvatarImage: View {

 struct PlaceholderAvatarImage_Previews: PreviewProvider {
    static var previews: some View {
-        body
+        body.preferredColorScheme(.light)
        body.preferredColorScheme(.dark)
    }
    
@@ -44,7 +44,7 @@ struct LabelledDivider: View {

 struct SeparatorRoomTimelineView_Previews: PreviewProvider {
    static var previews: some View {
-        body
+        body.preferredColorScheme(.light)
        body.preferredColorScheme(.dark)
    }
    
@@ -27,7 +27,7 @@ struct TextRoomTimelineView: View {

 struct TextRoomTimelineView_Previews: PreviewProvider {
    static var previews: some View {
-        body
+        body.preferredColorScheme(.light)
        body.preferredColorScheme(.dark)
    }
    
@@ -59,9 +59,16 @@ struct TimelineView: View {
                tableViewObserver = TableViewObserver(tableView: tableView,
                                                      topDetectionOffset: (tableView.bounds.size.height / 3.0))
                
+                tableViewObserver.scrollToBottom()
+                
                // Check if there are enough items. Otherwise ask for more
                attemptBackPagination()
            }
+            .onAppear(perform: {
+                if timelineItems != context.viewState.items {
+                    timelineItems = context.viewState.items
+                }
+            })
            .onReceive(tableViewObserver.scrollViewDidReachTop, perform: {
                if context.viewState.isBackPaginating {
                    return
@@ -202,6 +209,20 @@ private class TableViewObserver: NSObject, UITableViewDelegate {
        return (scrollView.contentOffset.y + scrollView.adjustedContentInset.top) <= topDetectionOffset
    }
    
+    func scrollToBottom() {
+        guard let tableView = tableView,
+              tableView.numberOfSections > 0  else {
+                  return
+        }
+        
+        let currentItemCount = tableView.numberOfRows(inSection: 0)
+        guard currentItemCount > 1 else {
+            return
+        }
+        
+        tableView.scrollToRow(at: .init(row: currentItemCount - 1, section: 0), at: .bottom, animated: false)
+    }
+    
    // MARK: - UIScrollViewDelegate

    func scrollViewDidScroll(_ scrollView: UIScrollView) {