96 lines
3.1 KiB
Dart
96 lines
3.1 KiB
Dart
import 'package:dismissible_page/dismissible_page.dart';
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import 'package:flutter/material.dart';
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import 'package:photo_view/photo_view.dart';
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import 'package:photo_view/photo_view_gallery.dart';
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import 'package:provider/provider.dart';
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import 'package:surface/providers/sn_network.dart';
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import 'package:surface/types/attachment.dart';
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import 'package:surface/widgets/universal_image.dart';
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import 'package:uuid/uuid.dart';
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class AttachmentZoomView extends StatefulWidget {
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final Iterable<SnAttachment> data;
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final int? initialIndex;
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final List<String?>? heroTags;
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const AttachmentZoomView({
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super.key,
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required this.data,
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this.initialIndex,
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this.heroTags,
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});
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@override
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State<AttachmentZoomView> createState() => _AttachmentZoomViewState();
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}
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class _AttachmentZoomViewState extends State<AttachmentZoomView> {
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late final PageController _pageController =
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PageController(initialPage: widget.initialIndex ?? 0);
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@override
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void dispose() {
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_pageController.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final sn = context.read<SnNetworkProvider>();
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final uuid = Uuid();
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return DismissiblePage(
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onDismissed: () {
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Navigator.of(context).pop();
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},
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direction: DismissiblePageDismissDirection.down,
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backgroundColor: Colors.transparent,
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isFullScreen: true,
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child: Builder(builder: (context) {
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if (widget.data.length == 1) {
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final heroTag = widget.heroTags?.first ?? uuid.v4();
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return Hero(
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tag: 'attachment-${widget.data.first.rid}-$heroTag',
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child: PhotoView(
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key: Key('attachment-detail-${widget.data.first.rid}-$heroTag'),
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backgroundDecoration: BoxDecoration(color: Colors.transparent),
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imageProvider: UniversalImage.provider(
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sn.getAttachmentUrl(widget.data.first.rid),
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),
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),
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);
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}
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return PhotoViewGallery.builder(
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pageController: _pageController,
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scrollPhysics: const BouncingScrollPhysics(),
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builder: (context, idx) {
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final heroTag = widget.heroTags?.elementAt(idx) ?? uuid.v4();
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return PhotoViewGalleryPageOptions(
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imageProvider: UniversalImage.provider(
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sn.getAttachmentUrl(widget.data.elementAt(idx).rid),
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),
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heroAttributes: PhotoViewHeroAttributes(
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tag: 'attachment-${widget.data.first.rid}-$heroTag',
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),
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);
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},
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itemCount: widget.data.length,
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loadingBuilder: (context, event) => Center(
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child: SizedBox(
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width: 20.0,
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height: 20.0,
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child: CircularProgressIndicator(
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value: event == null
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? 0
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: event.cumulativeBytesLoaded /
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(event.expectedTotalBytes ?? 1),
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),
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),
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),
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backgroundDecoration: BoxDecoration(color: Colors.transparent),
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);
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}),
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);
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}
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}
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