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https://github.com/krille-chan/fluffychat
synced 2024-09-10 12:25:11 +00:00
feat: better scroll to last read message handling
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parent
89493f364a
commit
9b21c0d951
2 changed files with 75 additions and 31 deletions
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@ -297,13 +297,39 @@ class ChatController extends State<ChatPageWithRoom> {
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_loadDraft();
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super.initState();
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sendingClient = Matrix.of(context).client;
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readMarkerEventId = room.fullyRead;
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loadTimelineFuture =
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_getTimeline(eventContextId: readMarkerEventId).onError(
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ErrorReporter(context, 'Unable to load timeline').onErrorCallback,
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);
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_tryLoadTimeline();
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}
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void _tryLoadTimeline() async {
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loadTimelineFuture = _getTimeline();
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try {
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await loadTimelineFuture;
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final fullyRead = room.fullyRead;
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if (fullyRead.isEmpty) return;
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if (timeline!.events.any((event) => event.eventId == fullyRead)) {
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Logs().v('Scroll up to visible event', fullyRead);
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scrollToEventId(fullyRead);
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setReadMarker();
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return;
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}
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if (!mounted) return;
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_showScrollUpMaterialBanner(fullyRead);
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} catch (e, s) {
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ErrorReporter(context, 'Unable to load timeline').onErrorCallback(e, s);
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rethrow;
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}
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}
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String? scrollUpBannerEventId;
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void discardScrollUpBannerEventId() => setState(() {
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scrollUpBannerEventId = null;
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});
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void _showScrollUpMaterialBanner(String eventId) => setState(() {
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scrollUpBannerEventId = eventId;
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});
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void updateView() {
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if (!mounted) return;
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setState(() {});
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@ -313,7 +339,6 @@ class ChatController extends State<ChatPageWithRoom> {
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Future<void> _getTimeline({
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String? eventContextId,
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Duration timeout = const Duration(seconds: 7),
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}) async {
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await Matrix.of(context).client.roomsLoading;
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await Matrix.of(context).client.accountDataLoading;
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@ -322,34 +347,21 @@ class ChatController extends State<ChatPageWithRoom> {
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eventContextId = null;
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}
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try {
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timeline = await room
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.getTimeline(
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timeline = await room.getTimeline(
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onUpdate: updateView,
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eventContextId: eventContextId,
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)
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.timeout(timeout);
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);
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} catch (e, s) {
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Logs().w('Unable to load timeline on event ID $eventContextId', e, s);
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if (!mounted) return;
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timeline = await room.getTimeline(onUpdate: updateView);
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if (!mounted) return;
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if (e is TimeoutException || e is IOException) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(L10n.of(context)!.jumpToLastReadMessage),
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action: SnackBarAction(
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label: L10n.of(context)!.jump,
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onPressed: () => scrollToEventId(eventContextId!),
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),
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),
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);
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_showScrollUpMaterialBanner(eventContextId!);
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}
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}
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timeline!.requestKeys(onlineKeyBackupOnly: false);
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if (timeline!.events.isNotEmpty) {
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if (room.markedUnread) room.markUnread(false);
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setReadMarker();
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}
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// when the scroll controller is attached we want to scroll to an event id, if specified
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// and update the scroll controller...which will trigger a request history, if the
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@ -370,6 +382,7 @@ class ChatController extends State<ChatPageWithRoom> {
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void setReadMarker({String? eventId}) {
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if (_setReadMarkerFuture != null) return;
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if (scrollUpBannerEventId != null) return;
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if (eventId == null &&
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!room.hasNewMessages &&
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room.notificationCount == 0) {
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@ -380,7 +393,7 @@ class ChatController extends State<ChatPageWithRoom> {
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final timeline = this.timeline;
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if (timeline == null || timeline.events.isEmpty) return;
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Logs().v('Set read marker...', eventId);
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Logs().d('Set read marker...', eventId);
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// ignore: unawaited_futures
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_setReadMarkerFuture = timeline.setReadMarker(eventId: eventId).then((_) {
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_setReadMarkerFuture = null;
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@ -886,10 +899,7 @@ class ChatController extends State<ChatPageWithRoom> {
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setState(() {
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timeline = null;
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_scrolledUp = false;
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loadTimelineFuture = _getTimeline(
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eventContextId: eventId,
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timeout: const Duration(seconds: 30),
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).onError(
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loadTimelineFuture = _getTimeline(eventContextId: eventId).onError(
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ErrorReporter(context, 'Unable to load timeline after scroll to ID')
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.onErrorCallback,
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);
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@ -902,7 +912,7 @@ class ChatController extends State<ChatPageWithRoom> {
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}
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await scrollController.scrollToIndex(
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eventIndex,
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preferPosition: AutoScrollPosition.middle,
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preferPosition: AutoScrollPosition.end,
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);
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_updateScrollController();
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}
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@ -146,6 +146,7 @@ class ChatView extends StatelessWidget {
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);
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}
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final bottomSheetPadding = FluffyThemes.isColumnMode(context) ? 16.0 : 8.0;
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final scrollUpBannerEventId = controller.scrollUpBannerEventId;
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return WillPopScope(
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onWillPop: () async {
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@ -220,6 +221,39 @@ class ChatView extends StatelessWidget {
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child: Column(
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children: <Widget>[
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TombstoneDisplay(controller),
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if (scrollUpBannerEventId != null)
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Material(
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color: Theme.of(context)
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.colorScheme
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.secondaryContainer,
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child: ListTile(
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leading: IconButton(
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color: Theme.of(context)
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.colorScheme
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.onSurfaceVariant,
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icon: const Icon(Icons.close),
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tooltip: L10n.of(context)!.close,
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onPressed: () {
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controller.discardScrollUpBannerEventId();
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controller.setReadMarker();
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},
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),
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title: Text(
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L10n.of(context)!.jumpToLastReadMessage,
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),
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contentPadding:
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const EdgeInsets.only(left: 8),
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trailing: TextButton(
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onPressed: () {
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controller.scrollToEventId(
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scrollUpBannerEventId,
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);
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controller.discardScrollUpBannerEventId();
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},
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child: Text(L10n.of(context)!.jump),
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),
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),
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),
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PinnedEvents(controller),
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Expanded(
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child: GestureDetector(
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