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Fix edge cases for inifinite scroll

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This commit is contained in:
Vishnu Mohandas 2020-07-16 04:32:59 +05:30
parent e6ffeea929
commit 774187fa50
1 changed files with 6 additions and 1 deletions
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7
lib/ui/gallery.dart
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@ -49,6 +49,7 @@ class _GalleryState extends State<Gallery> {
ScrollController _scrollController = ScrollController();
bool _requiresLoad = false;
bool _hasLoadedAll = false;
bool _isLoadingNext = false;
double _scrollOffset = 0;
List<File> _files;
RefreshController _refreshController = RefreshController();
@ -152,11 +153,15 @@ class _GalleryState extends State<Gallery> {
}
bool _shouldLoadNextItems(int index) =>
index == _collatedFiles.length - kEagerLoadTrigger;
!_isLoadingNext &&
(index >= _collatedFiles.length - kEagerLoadTrigger) &&
!_hasLoadedAll;
void _loadNextItems() {
_isLoadingNext = true;
widget.asyncLoader(_files.length, 100).then((files) {
setState(() {
_isLoadingNext = false;
_saveScrollPosition();
if (files.length == 0) {
_hasLoadedAll = true;