68 lines
2.1 KiB
Dart
68 lines
2.1 KiB
Dart
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import "package:flutter/material.dart";
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import "package:photos/models/file.dart";
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import "package:photos/models/selected_files.dart";
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import "package:photos/ui/huge_listview/place_holder_widget.dart";
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import "package:photos/ui/viewer/gallery/component/lazy_loading_gallery.dart";
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import "package:photos/ui/viewer/gallery/gallery.dart";
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import "package:visibility_detector/visibility_detector.dart";
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class RecyclableViewWidget extends StatefulWidget {
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final bool shouldRender;
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final List<File> filesInDay;
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final int photoGridSize;
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final bool limitSelectionToOne;
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final String tag;
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final GalleryLoader asyncLoader;
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final int? currentUserID;
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final SelectedFiles? selectedFiles;
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const RecyclableViewWidget({
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required this.shouldRender,
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required this.filesInDay,
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required this.photoGridSize,
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required this.limitSelectionToOne,
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required this.tag,
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required this.asyncLoader,
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this.currentUserID,
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this.selectedFiles,
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super.key,
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});
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@override
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State<RecyclableViewWidget> createState() => _RecyclableViewWidgetState();
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}
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class _RecyclableViewWidgetState extends State<RecyclableViewWidget> {
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late bool _shouldRender;
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@override
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void initState() {
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_shouldRender = widget.shouldRender;
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super.initState();
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}
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@override
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Widget build(BuildContext context) {
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return VisibilityDetector(
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key: Key("gallery" + widget.filesInDay.first.tag),
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onVisibilityChanged: (visibility) {
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final shouldRender = visibility.visibleFraction > 0;
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if (mounted && shouldRender != _shouldRender) {
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setState(() {
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_shouldRender = shouldRender;
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});
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}
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},
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child: _shouldRender
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? GalleryGridViewWidget(
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filesInDay: widget.filesInDay,
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photoGridSize: widget.photoGridSize,
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limitSelectionToOne: widget.limitSelectionToOne,
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tag: widget.tag,
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asyncLoader: widget.asyncLoader,
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selectedFiles: widget.selectedFiles,
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currentUserID: widget.currentUserID,
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)
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: PlaceHolderWidget(widget.filesInDay.length, widget.photoGridSize),
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);
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}
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}
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