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update didchangedependencies

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This commit is contained in:
Salvatore Giordano
2021-05-12 11:50:06 +02:00
parent 19ce7ff756
commit a7f00b3d85
6 changed files with 88 additions and 102 deletions
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packages/stream_chat_flutter/lib/src/message_list_view.dart
+28 -25
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@@ -274,15 +274,15 @@ class _MessageListViewState extends State<MessageListView> {
bool _showScrollToBottom = false;
late final ItemPositionsListener _itemPositionListener;
int? _messageListLength;
late StreamChannelState streamChannel;
StreamChannelState? streamChannel;
int? get _initialIndex {
if (widget.initialScrollIndex != null) return widget.initialScrollIndex;
if (streamChannel.initialMessageId != null) {
final messages = streamChannel.channel.state!.messages;
if (streamChannel!.initialMessageId != null) {
final messages = streamChannel!.channel.state!.messages;
final totalMessages = messages.length;
final messageIndex =
messages.indexWhere((e) => e.id == streamChannel.initialMessageId);
messages.indexWhere((e) => e.id == streamChannel!.initialMessageId);
final index = totalMessages - messageIndex;
if (index != 0) return index - 1;
return index;
@@ -295,9 +295,9 @@ class _MessageListViewState extends State<MessageListView> {
return 0;
}
bool _isInitialMessage(String id) => streamChannel.initialMessageId == id;
bool _isInitialMessage(String id) => streamChannel!.initialMessageId == id;
bool get _upToDate => streamChannel.channel.state!.isUpToDate;
bool get _upToDate => streamChannel!.channel.state!.isUpToDate;
bool get _isThreadConversation => widget.parentMessage != null;
@@ -506,13 +506,13 @@ class _MessageListViewState extends State<MessageListView> {
}
if (i == messages.length + 1) {
return _buildLoadingIndicator(
streamChannel,
streamChannel!,
QueryDirection.top,
);
}
if (i == 0) {
return _buildLoadingIndicator(
streamChannel,
streamChannel!,
QueryDirection.bottom,
);
}
@@ -525,7 +525,7 @@ class _MessageListViewState extends State<MessageListView> {
context,
message,
messages,
streamChannel,
streamChannel!,
);
} else if (i == messages.length - 1) {
messageWidget = _buildTopMessage(
@@ -605,8 +605,8 @@ class _MessageListViewState extends State<MessageListView> {
Widget _buildScrollToBottom() => StreamBuilder<Tuple2<bool, int>>(
stream: Rx.combineLatest2(
streamChannel.channel.state!.isUpToDateStream,
streamChannel.channel.state!.unreadCountStream,
streamChannel!.channel.state!.isUpToDateStream,
streamChannel!.channel.state!.unreadCountStream,
(bool isUpToDate, int unreadCount) => Tuple2(isUpToDate, unreadCount),
),
builder: (_, snapshot) {
@@ -622,8 +622,8 @@ class _MessageListViewState extends State<MessageListView> {
}
final unreadCount = snapshot.data!.item2;
final showUnreadCount = unreadCount > 0 &&
streamChannel.channel.state!.members.any((e) =>
e.userId == streamChannel.channel.client.state.user!.id);
streamChannel!.channel.state!.members.any((e) =>
e.userId == streamChannel!.channel.client.state.user!.id);
final chatThemeData = StreamChatTheme.of(context);
return Positioned(
bottom: 8,
@@ -637,12 +637,12 @@ class _MessageListViewState extends State<MessageListView> {
backgroundColor: chatThemeData.colorTheme.white,
onPressed: () {
if (unreadCount > 0) {
streamChannel.channel.markRead();
streamChannel!.channel.markRead();
}
if (!_upToDate) {
_bottomPaginationActive = false;
_topPaginationActive = false;
streamChannel.reloadChannel();
streamChannel!.reloadChannel();
} else {
setState(() => _showScrollToBottom = false);
_scrollController!.scrollTo(
@@ -888,7 +888,7 @@ class _MessageListViewState extends State<MessageListView> {
);
}
final channel = streamChannel.channel;
final channel = streamChannel!.channel;
final readList = channel.state?.read?.where((read) {
if (read.user.id == userId) return false;
return read.lastRead.isAfter(message.createdAt) ||
@@ -962,7 +962,7 @@ class _MessageListViewState extends State<MessageListView> {
if (messages.map((e) => e.id).contains(quotedMessageId)) {
scrollToIndex();
} else {
await streamChannel.loadChannelAtMessage(quotedMessageId).then((_) {
await streamChannel!.loadChannelAtMessage(quotedMessageId).then((_) {
WidgetsBinding.instance!.addPostFrameCallback((_) {
if (messages.map((e) => e.id).contains(quotedMessageId)) {
scrollToIndex();
@@ -1093,20 +1093,22 @@ class _MessageListViewState extends State<MessageListView> {
@override
void didChangeDependencies() {
streamChannel = StreamChannel.of(context);
final newStreamChannel = StreamChannel.of(context);
if (_messageNewListener == null) {
if (newStreamChannel != streamChannel) {
streamChannel = newStreamChannel;
_messageNewListener?.cancel();
initialIndex = _initialIndex;
initialAlignment = _initialAlignment;
_messageNewListener =
streamChannel.channel.on(EventType.messageNew).listen((event) {
streamChannel!.channel.on(EventType.messageNew).listen((event) {
if (_upToDate) {
_bottomPaginationActive = false;
_topPaginationActive = false;
}
if (event.message!.user!.id ==
streamChannel.channel.client.state.user!.id) {
streamChannel!.channel.client.state.user!.id) {
WidgetsBinding.instance!.addPostFrameCallback((_) {
_scrollController?.jumpTo(
index: 0,
@@ -1116,9 +1118,10 @@ class _MessageListViewState extends State<MessageListView> {
});
if (_isThreadConversation) {
streamChannel.getReplies(widget.parentMessage!.id);
streamChannel!.getReplies(widget.parentMessage!.id);
}
}
super.didChangeDependencies();
}
@@ -1137,12 +1140,12 @@ class _MessageListViewState extends State<MessageListView> {
context,
MaterialPageRoute(
builder: (_) => StreamBuilder<Message>(
stream: streamChannel.channel.state!.messagesStream.map(
stream: streamChannel!.channel.state!.messagesStream.map(
(messages) =>
messages!.firstWhere((m) => m.id == message.id)),
initialData: message,
builder: (_, snapshot) => StreamChannel(
channel: streamChannel.channel,
channel: streamChannel!.channel,
child: widget.threadBuilder!(context, snapshot.data),
),
),
@@ -1155,7 +1158,7 @@ class _MessageListViewState extends State<MessageListView> {
@override
void dispose() {
if (!_upToDate) {
streamChannel.reloadChannel();
streamChannel!.reloadChannel();
}
_messageNewListener?.cancel();
super.dispose();