chore: fix lints.

Signed-off-by: xsahil03x <[email protected]>

packages/stream_chat_flutter/lib/src/attachment/builder/attachment_widget_builder.dart

@@ -1,8 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:stream_chat_flutter/src/attachment/attachment.dart';
-import 'package:stream_chat_flutter/src/attachment/gallery_attachment.dart';
 import 'package:stream_chat_flutter/src/attachment/thumbnail/media_attachment_thumbnail.dart';
-import 'package:stream_chat_flutter/src/attachment/url_attachment.dart';
 import 'package:stream_chat_flutter/src/stream_chat.dart';
 import 'package:stream_chat_flutter/src/theme/stream_chat_theme.dart';
 import 'package:stream_chat_flutter/src/utils/utils.dart';

packages/stream_chat_flutter/lib/src/fullscreen_media/full_screen_media_desktop.dart

@@ -1,9 +1,7 @@
 import 'package:contextmenu/contextmenu.dart';
 import 'package:dart_vlc/dart_vlc.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:photo_view/photo_view.dart';
-import 'package:stream_chat_flutter/platform_widget_builder/platform_widget_builder.dart';
 import 'package:stream_chat_flutter/src/attachment/thumbnail/media_attachment_thumbnail.dart';
 import 'package:stream_chat_flutter/src/context_menu_items/download_menu_item.dart';
 import 'package:stream_chat_flutter/src/fullscreen_media/full_screen_media_widget.dart';

packages/stream_chat_flutter/lib/src/message_list_view/floating_date_divider.dart

@@ -38,61 +38,39 @@ class FloatingDateDivider extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Positioned(
-      top: 20,
-      left: 0,
-      right: 0,
-      child: BetterStreamBuilder<Iterable<ItemPosition>>(
-        initialData: itemPositionListener.itemPositions.value,
-        stream: valueListenableToStreamAdapter(
-          itemPositionListener.itemPositions,
-        ),
-        comparator: (a, b) {
-          if (a == null || b == null) {
-            return false;
-          }
+    final itemPositions = itemPositionListener.itemPositions;
+    return ValueListenableBuilder(
+      valueListenable: itemPositions,
+      builder: (context, positions, child) {
+        if (positions.isEmpty || messages.isEmpty) {
+          return const Offstage();
+        }
+
+        int? index;
+        if (reverse) {
+          index = getTopElementIndex(positions);
+        } else {
+          index = getBottomElementIndex(positions);
+        }
+
+        if ((index == null) ||
+            (!isThreadConversation && index == itemCount - 2) ||
+            (isThreadConversation && index == itemCount - 1)) {
+          return const Offstage();
+        }
+
+        if (index <= 2 || index >= itemCount - 3) {
           if (reverse) {
-            final aTop = getTopElementIndex(a);
-            final bTop = getTopElementIndex(b);
-            return aTop == bTop;
+            index = itemCount - 4;
           } else {
-            final aBottom = getBottomElementIndex(a);
-            final bBottom = getBottomElementIndex(b);
-            return aBottom == bBottom;
-          }
-        },
-        builder: (context, values) {
-          if (values.isEmpty || messages.isEmpty) {
-            return const Offstage();
+            index = 2;
           }
+        }
 
-          int? index;
-          if (reverse) {
-            index = getTopElementIndex(values);
-          } else {
-            index = getBottomElementIndex(values);
-          }
-
-          if ((index == null) ||
-              (!isThreadConversation && index == itemCount - 2) ||
-              (isThreadConversation && index == itemCount - 1)) {
-            return const Offstage();
-          }
-
-          if (index <= 2 || index >= itemCount - 3) {
-            if (reverse) {
-              index = itemCount - 4;
-            } else {
-              index = 2;
-            }
-          }
-
-          final message = messages[index - 2];
-          return dateDividerBuilder != null
-              ? dateDividerBuilder!(message.createdAt.toLocal())
-              : StreamDateDivider(dateTime: message.createdAt.toLocal());
-        },
-      ),
+        final message = messages[index - 2];
+        return dateDividerBuilder?.call(message.createdAt.toLocal()) ??
+            StreamDateDivider(dateTime: message.createdAt.toLocal());
+      },
     );
   }
 }

packages/stream_chat_flutter/lib/src/message_list_view/message_list_view.dart

@@ -810,13 +810,18 @@ class _StreamMessageListViewState extends State<StreamMessageListView> {
             ),
           ),
         if (widget.showFloatingDateDivider)
-          FloatingDateDivider(
-            itemCount: itemCount,
-            reverse: widget.reverse,
-            itemPositionListener: _itemPositionListener,
-            messages: messages,
-            dateDividerBuilder: widget.dateDividerBuilder,
-            isThreadConversation: _isThreadConversation,
+          Positioned(
+            top: 20,
+            left: 0,
+            right: 0,
+            child: FloatingDateDivider(
+              itemCount: itemCount,
+              reverse: widget.reverse,
+              itemPositionListener: _itemPositionListener,
+              messages: messages,
+              dateDividerBuilder: widget.dateDividerBuilder,
+              isThreadConversation: _isThreadConversation,
+            ),
           ),
       ],
     );

packages/stream_chat_flutter/lib/src/message_list_view/mlv_utils.dart

@@ -1,7 +1,4 @@
-import 'dart:async';
-
 import 'package:collection/collection.dart';
-import 'package:flutter/foundation.dart';
 import 'package:stream_chat_flutter/scrollable_positioned_list/scrollable_positioned_list.dart';
 import 'package:stream_chat_flutter/stream_chat_flutter.dart';
 
@@ -74,29 +71,3 @@ int? getBottomElementIndex(Iterable<ItemPosition> values) {
 bool isInitialMessage(String id, StreamChannelState? channelState) {
   return channelState!.initialMessageId == id;
 }
-
-/// Converts a [ValueListenable] to a [Stream].
-Stream<T> valueListenableToStreamAdapter<T>(ValueListenable<T> listenable) {
-  late StreamController<T> _controller;
-
-  void listener() {
-    _controller.add(listenable.value);
-  }
-
-  void start() {
-    listenable.addListener(listener);
-  }
-
-  void end() {
-    listenable.removeListener(listener);
-  }
-
-  _controller = StreamController<T>(
-    onListen: start,
-    onPause: end,
-    onResume: start,
-    onCancel: end,
-  );
-
-  return _controller.stream;
-}