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fix scroll to bottom button

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This commit is contained in:
Salvatore Giordano
2020-11-26 13:41:46 +01:00
parent 4749466a8d
commit 68f5e5e4dc
1 changed files with 32 additions and 32 deletions
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lib/src/message_list_view.dart
+32 -32
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@@ -309,19 +309,8 @@ class _MessageListViewState extends State<MessageListView> {
return messageWidget;
},
),
if (streamChannel.channel.state.members.contains((Member e) =>
e.userId == streamChannel.channel.client.state.user.id) &&
widget.showScrollToBottom)
StreamBuilder<int>(
stream: streamChannel.channel.state.unreadCountStream,
builder: (context, snapshot) {
if (!_showScrollToBottom ||
!snapshot.hasData ||
snapshot.data == 0) {
return SizedBox();
}
return _buildScrollToBottom(snapshot.data);
}),
if (widget.showScrollToBottom && _showScrollToBottom)
_buildScrollToBottom(),
Positioned(
top: 20.0,
child: ValueListenableBuilder<Iterable<ItemPosition>>(
@@ -364,7 +353,8 @@ class _MessageListViewState extends State<MessageListView> {
position.itemLeadingEdge > max.itemLeadingEdge ? position : max);
}
Widget _buildScrollToBottom(int unreadCount) {
Widget _buildScrollToBottom() {
final streamChannel = StreamChannel.of(context);
return Positioned(
bottom: 8,
right: 8,
@@ -389,24 +379,34 @@ class _MessageListViewState extends State<MessageListView> {
);
},
),
Positioned(
width: 20,
height: 20,
left: 10,
top: -10,
child: CircleAvatar(
child: Padding(
padding: const EdgeInsets.all(3.0),
child: Text(
unreadCount.toString(),
style: TextStyle(
fontSize: 11,
fontWeight: FontWeight.bold,
),
),
),
),
),
if (streamChannel.channel.state.members.any((Member e) =>
e.userId == streamChannel.channel.client.state.user.id))
StreamBuilder<int>(
stream: streamChannel.channel.state.unreadCountStream,
initialData: streamChannel.channel.state.unreadCount,
builder: (context, snapshot) {
if (!snapshot.hasData || snapshot.data <= 0) {
return Offstage();
}
return Positioned(
width: 20,
height: 20,
left: 10,
top: -10,
child: CircleAvatar(
child: Padding(
padding: const EdgeInsets.all(3.0),
child: Text(
snapshot.data.toString(),
style: TextStyle(
fontSize: 11,
fontWeight: FontWeight.bold,
),
),
),
),
);
}),
],
),
);