Merge remote-tracking branch 'origin/develop' into feat/localization

packages/stream_chat_flutter/lib/src/message_list_view.dart

@@ -166,11 +166,23 @@ class MessageListView extends StatefulWidget {
     this.showFloatingDateDivider = true,
     this.threadSeparatorBuilder,
     this.messageListController,
+    this.reverse = true,
+    this.paginationLimit = 20,
   }) : super(key: key);
 
   /// Function used to build a custom message widget
   final MessageBuilder? messageBuilder;
 
+  /// Whether the view scrolls in the reading direction.
+  ///
+  /// Defaults to true.
+  ///
+  /// See [ScrollView.reverse].
+  final bool reverse;
+
+  /// Limit used during pagination
+  final int paginationLimit;
+
   /// Function used to build a custom system message widget
   final SystemMessageBuilder? systemMessageBuilder;
 
@@ -329,6 +341,7 @@ class _MessageListViewState extends State<MessageListView> {
 
   @override
   Widget build(BuildContext context) => MessageListCore(
+        paginationLimit: widget.paginationLimit,
         messageFilter: widget.messageFilter,
         loadingBuilder: widget.loadingBuilder ??
             (context) => const Center(
@@ -446,7 +459,7 @@ class _MessageListViewState extends State<MessageListView> {
                   initialAlignment: initialAlignment ?? 0,
                   physics: widget.scrollPhysics,
                   itemScrollController: _scrollController,
-                  reverse: true,
+                  reverse: widget.reverse,
                   addAutomaticKeepAlives: false,
                   itemCount: itemCount,
 
@@ -622,7 +635,8 @@ class _MessageListViewState extends State<MessageListView> {
   }
 
   Positioned _buildFloatingDateDivider(int itemCount) => Positioned(
-        top: 20,
+        top: widget.reverse ? 20 : null,
+        bottom: widget.reverse ? null : 20,
         left: 0,
         right: 0,
         child: BetterStreamBuilder<Iterable<ItemPosition>>(
@@ -656,7 +670,9 @@ class _MessageListViewState extends State<MessageListView> {
       );
 
   Future<void> _paginateData(
-          StreamChannelState? channel, QueryDirection direction) =>
+    StreamChannelState? channel,
+    QueryDirection direction,
+  ) =>
       _messageListController.paginateData!(direction: direction);
 
   int? _getTopElementIndex(Iterable<ItemPosition> values) {
@@ -716,9 +732,13 @@ class _MessageListViewState extends State<MessageListView> {
                       );
                     }
                   },
-                  child: StreamSvgIcon.down(
-                    color: _streamTheme.colorTheme.textHighEmphasis,
-                  ),
+                  child: widget.reverse
+                      ? StreamSvgIcon.down(
+                          color: _streamTheme.colorTheme.textHighEmphasis,
+                        )
+                      : StreamSvgIcon.up(
+                          color: _streamTheme.colorTheme.textHighEmphasis,
+                        ),
                 ),
                 if (showUnreadCount)
                   Positioned(

packages/stream_chat_flutter/lib/src/stream_svg_icon.dart

@@ -37,6 +37,18 @@ class StreamSvgIcon extends StatelessWidget {
         height: size,
       );
 
+  /// [StreamSvgIcon] type
+  factory StreamSvgIcon.up({
+    double? size,
+    Color? color,
+  }) =>
+      StreamSvgIcon(
+        assetName: 'Icon_up.svg',
+        color: color,
+        width: size,
+        height: size,
+      );
+
   /// [StreamSvgIcon] type
   factory StreamSvgIcon.attach({
     double? size,