Handle read receipts

commetchat · Jun 5, 2024 · d9d8209 · d9d8209
1 parent f7233dc
commit d9d8209
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Showing 3 changed files with 24 additions and 3 deletions.
diff --git a/commet/lib/ui/molecules/room_timeline_widget/room_timeline_overlay.dart b/commet/lib/ui/molecules/room_timeline_widget/room_timeline_overlay.dart
@@ -180,7 +180,7 @@ class TimelineOverlayState extends State<TimelineOverlay> {
     });
   }
 
-  void setAttatchedToBottom(bool value) {
+  void setAttachedToBottom(bool value) {
     if (value != isAttatchedToBottom) {
       setState(() {
         isAttatchedToBottom = value;

diff --git a/commet/lib/ui/molecules/room_timeline_widget/room_timeline_widget.dart b/commet/lib/ui/molecules/room_timeline_widget/room_timeline_widget.dart
@@ -28,6 +28,7 @@ class _RoomTimelineWidgetState extends State<RoomTimelineWidget> {
       key: timelineViewKey,
       timeline: widget.timeline,
       onViewScrolled: onViewScrolled,
+      onAttachedToBottom: onAttachedToBottom,
       setReplyingEvent: widget.setReplyingEvent,
       setEditingEvent: widget.setEditingEvent,
     );
@@ -50,6 +51,14 @@ class _RoomTimelineWidgetState extends State<RoomTimelineWidget> {
     if (offset > maxScrollExtent - loadingThreshold && loadingHistory == null) {
       loadMoreHistory();
     }
+
+    if (state?.attachedToBottom == true) {}
+  }
+
+  void onAttachedToBottom() {
+    if (widget.timeline.events.isNotEmpty) {
+      widget.timeline.markAsRead(widget.timeline.events.first);
+    }
   }
 
   void loadMoreHistory() async {

diff --git a/commet/lib/ui/molecules/room_timeline_widget/room_timeline_widget_view.dart b/commet/lib/ui/molecules/room_timeline_widget/room_timeline_widget_view.dart
@@ -18,11 +18,13 @@ class RoomTimelineWidgetView extends StatefulWidget {
       this.onViewScrolled,
       this.setEditingEvent,
       this.setReplyingEvent,
+      this.onAttachedToBottom,
       super.key});
   final Timeline timeline;
   final Function(TimelineEvent event)? markAsRead;
   final Function(TimelineEvent? event)? setReplyingEvent;
   final Function(TimelineEvent? event)? setEditingEvent;
+  final Function()? onAttachedToBottom;
 
   final Function({required double offset, required double maxScrollExtent})?
       onViewScrolled;
@@ -53,6 +55,8 @@ class RoomTimelineWidgetViewState extends State<RoomTimelineWidgetView> {
 
   late List<StreamSubscription> subscriptions;
 
+  bool wasLastScrollAttachedToBottom = false;
+
   bool get attachedToBottom => controller.hasClients
       ? controller.offset - controller.positions.first.minScrollExtent < 50 ||
           animatingToBottom
@@ -147,6 +151,7 @@ class RoomTimelineWidgetViewState extends State<RoomTimelineWidgetView> {
       double extent = controller.position.minScrollExtent;
       controller = ScrollController(initialScrollOffset: extent);
       controller.addListener(onScroll);
+      widget.onAttachedToBottom?.call();
       setState(() {
         firstFrame = false;
       });
@@ -159,14 +164,21 @@ class RoomTimelineWidgetViewState extends State<RoomTimelineWidgetView> {
         maxScrollExtent: controller.position.maxScrollExtent);
 
     var overlayState = overlayKey.currentState as TimelineOverlayState?;
-    overlayState?.setAttatchedToBottom(attachedToBottom);
+    overlayState?.setAttachedToBottom(attachedToBottom);
+
+    if (wasLastScrollAttachedToBottom == false && attachedToBottom) {
+      widget.onAttachedToBottom?.call();
+    }
+
+    wasLastScrollAttachedToBottom = attachedToBottom;
   }
 
   void animateAndSnapToBottom() {
     controller.position.hold(() {});
 
     var overlayState = overlayKey.currentState as TimelineOverlayState?;
-    overlayState?.setAttatchedToBottom(attachedToBottom);
+    overlayState?.setAttachedToBottom(attachedToBottom);
+    widget.onAttachedToBottom?.call();
 
     animatingToBottom = true;