design: New date separators in timeline

assets/l10n/intl_en.arb

@@ -2485,5 +2485,6 @@
     "stickers": "Stickers",
     "discover": "Discover",
     "commandHint_ignore": "Ignore the given matrix ID",
-    "commandHint_unignore": "Unignore the given matrix ID"
+    "commandHint_unignore": "Unignore the given matrix ID",
+    "today": "Today"
 }

lib/pages/chat/chat_event_list.dart

@@ -5,12 +5,14 @@ import 'package:scroll_to_index/scroll_to_index.dart';
 
 import 'package:fluffychat/config/themes.dart';
 import 'package:fluffychat/pages/chat/chat.dart';
+import 'package:fluffychat/pages/chat/events/date_separator.dart';
 import 'package:fluffychat/pages/chat/events/message.dart';
 import 'package:fluffychat/pages/chat/seen_by_row.dart';
 import 'package:fluffychat/pages/chat/typing_indicators.dart';
 import 'package:fluffychat/pages/user_bottom_sheet/user_bottom_sheet.dart';
 import 'package:fluffychat/utils/account_config.dart';
 import 'package:fluffychat/utils/adaptive_bottom_sheet.dart';
+import 'package:fluffychat/utils/date_time_extension.dart';
 import 'package:fluffychat/utils/matrix_sdk_extensions/filtered_timeline_extension.dart';
 import 'package:fluffychat/utils/platform_infos.dart';
 
@@ -106,6 +108,8 @@ class ChatEventList extends StatelessWidget {
 
             // The message at this index:
             final event = events[i];
+            final nextEvent = i + 1 < events.length ? events[i + 1] : null;
+            final previousEvent = i > 0 ? events[i - 1] : null;
             final animateIn = animateInEventIndex != null &&
                 controller.timeline!.events.length > animateInEventIndex &&
                 event == controller.timeline!.events[animateInEventIndex];
@@ -114,7 +118,14 @@ class ChatEventList extends StatelessWidget {
               key: ValueKey(event.eventId),
               index: i,
               controller: controller.scrollController,
-              child: Message(
+              child: Column(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  if (nextEvent?.originServerTs
+                          .isSameDate(event.originServerTs) !=
+                      true)
+                    DateSeparator(date: event.originServerTs),
+                  Message(
                     event,
                     animateIn: animateIn,
                     resetAnimateIn: () {
@@ -143,11 +154,13 @@ class ChatEventList extends StatelessWidget {
                     displayReadMarker:
                         controller.readMarkerEventId == event.eventId &&
                             controller.timeline?.allowNewEvent == false,
-                nextEvent: i + 1 < events.length ? events[i + 1] : null,
+                    nextEvent: nextEvent,
-                previousEvent: i > 0 ? events[i - 1] : null,
+                    previousEvent: previousEvent,
                     avatarPresenceBackgroundColor:
                         hasWallpaper ? Colors.transparent : null,
                   ),
+                ],
+              ),
             );
           },
           childCount: events.length + 2,

lib/pages/chat/events/date_separator.dart

@@ -0,0 +1,42 @@
+import 'package:flutter/material.dart';
+
+import 'package:fluffychat/config/app_config.dart';
+import 'package:fluffychat/utils/date_time_extension.dart';
+
+class DateSeparator extends StatelessWidget {
+  final DateTime date;
+  const DateSeparator({required this.date, super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.symmetric(horizontal: 12.0),
+      child: Row(
+        children: [
+          Expanded(
+            child: Container(
+              height: 1,
+              color: Theme.of(context).dividerColor,
+            ),
+          ),
+          Padding(
+            padding: const EdgeInsets.all(12.0),
+            child: Text(
+              date.localizedTimeShort(context, dateOnly: true),
+              style: TextStyle(
+                color: Theme.of(context).colorScheme.secondary,
+                fontSize: 13 * AppConfig.fontSizeFactor,
+              ),
+            ),
+          ),
+          Expanded(
+            child: Container(
+              height: 1,
+              color: Theme.of(context).dividerColor,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/pages/chat/events/message.dart

@@ -203,17 +203,29 @@ class Message extends StatelessWidget {
                     if (!nextEventSameSender)
                       Padding(
                         padding: const EdgeInsets.only(left: 8.0, bottom: 4),
-                        child: ownMessage || event.room.isDirectChat
+                        child: Row(
-                            ? const SizedBox(height: 12)
+                          mainAxisAlignment: ownMessage
-                            : FutureBuilder<User?>(
+                              ? MainAxisAlignment.end
+                              : MainAxisAlignment.start,
+                          children: [
+                            if (ownMessage || event.room.isDirectChat)
+                              const SizedBox(height: 12)
+                            else
+                              FutureBuilder<User?>(
                                 future: event.fetchSenderUser(),
                                 builder: (context, snapshot) {
                                   final displayname =
                                       snapshot.data?.calcDisplayname() ??
                                           event.senderFromMemoryOrFallback
                                               .calcDisplayname();
-                                  return Text(
+                                  return ConstrainedBox(
+                                    constraints: const BoxConstraints(
+                                      maxWidth: FluffyThemes.columnWidth / 2,
+                                    ),
+                                    child: Text(
                                       displayname,
+                                      maxLines: 1,
+                                      overflow: TextOverflow.ellipsis,
                                       style: TextStyle(
                                         fontSize: 12,
                                         color: (Theme.of(context).brightness ==
@@ -221,9 +233,23 @@ class Message extends StatelessWidget {
                                             ? displayname.color
                                             : displayname.lightColorText),
                                       ),
+                                    ),
                                   );
                                 },
                               ),
+                            Text(
+                              (ownMessage || event.room.isDirectChat
+                                      ? ''
+                                      : ' | ') +
+                                  event.originServerTs
+                                      .localizedTimeOfDay(context),
+                              style: TextStyle(
+                                fontSize: 12 * AppConfig.fontSizeFactor,
+                                color: Theme.of(context).colorScheme.secondary,
+                              ),
+                            ),
+                          ],
+                        ),
                       ),
                     Container(
                       alignment: alignment,
@@ -363,38 +389,12 @@ class Message extends StatelessWidget {
     Widget container;
     final showReceiptsRow =
         event.hasAggregatedEvents(timeline, RelationshipTypes.reaction);
-    if (showReceiptsRow || displayTime || selected || displayReadMarker) {
+    if (showReceiptsRow || selected || displayReadMarker) {
       container = Column(
         mainAxisSize: MainAxisSize.min,
         crossAxisAlignment:
             ownMessage ? CrossAxisAlignment.end : CrossAxisAlignment.start,
         children: <Widget>[
-          if (displayTime || selected)
-            Padding(
-              padding: displayTime
-                  ? const EdgeInsets.symmetric(vertical: 8.0)
-                  : EdgeInsets.zero,
-              child: Center(
-                child: Material(
-                  color: displayTime
-                      ? Theme.of(context).colorScheme.background
-                      : Theme.of(context)
-                          .colorScheme
-                          .background
-                          .withOpacity(0.33),
-                  borderRadius:
-                      BorderRadius.circular(AppConfig.borderRadius / 2),
-                  clipBehavior: Clip.antiAlias,
-                  child: Padding(
-                    padding: const EdgeInsets.all(4.0),
-                    child: Text(
-                      event.originServerTs.localizedTime(context),
-                      style: TextStyle(fontSize: 13 * AppConfig.fontSizeFactor),
-                    ),
-                  ),
-                ),
-              ),
-            ),
           row,
           AnimatedSize(
             duration: FluffyThemes.animationDuration,

lib/pages/chat_list/chat_list_view.dart

@@ -187,12 +187,7 @@ class ChatListView extends StatelessWidget {
                         ? NavigationBar(
                             elevation: 4,
                             labelBehavior:
-                                NavigationDestinationLabelBehavior.alwaysHide,
+                                NavigationDestinationLabelBehavior.alwaysShow,
-                            height: 64,
-                            shadowColor:
-                                Theme.of(context).colorScheme.onBackground,
-                            surfaceTintColor:
-                                Theme.of(context).colorScheme.background,
                             selectedIndex: controller.selectedIndex,
                             onDestinationSelected:
                                 controller.onDestinationSelected,

lib/utils/date_time_extension.dart

@@ -45,7 +45,7 @@ extension DateTimeExtension on DateTime {
 
   /// Returns [localizedTimeOfDay()] if the ChatTime is today, the name of the week
   /// day if the ChatTime is this week and a date string else.
-  String localizedTimeShort(BuildContext context) {
+  String localizedTimeShort(BuildContext context, {bool dateOnly = false}) {
     final now = DateTime.now();
 
     final sameYear = now.year == year;
@@ -58,7 +58,7 @@ extension DateTimeExtension on DateTime {
             1000 * 60 * 60 * 24 * 7;
 
     if (sameDay) {
-      return localizedTimeOfDay(context);
+      return dateOnly ? L10n.of(context)!.today : localizedTimeOfDay(context);
     } else if (sameWeek) {
       return DateFormat.EEEE(Localizations.localeOf(context).languageCode)
           .format(this);
@@ -92,5 +92,9 @@ extension DateTimeExtension on DateTime {
     );
   }
 
+  bool isSameDate(DateTime other) {
+    return year == other.year && month == other.month && day == other.day;
+  }
+
   static String _z(int i) => i < 10 ? '0${i.toString()}' : i.toString();
 }