mirror of
https://github.com/krawieck/lemmur/
synced 2024-12-16 02:19:06 +01:00
115 lines
3.4 KiB
Dart
115 lines
3.4 KiB
Dart
import 'package:cached_network_image/cached_network_image.dart';
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import 'package:esys_flutter_share/esys_flutter_share.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:photo_view/photo_view.dart';
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import '../widgets/bottom_modal.dart';
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class MediaViewPage extends HookWidget {
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final String url;
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const MediaViewPage(this.url);
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@override
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Widget build(BuildContext context) {
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final showButtons = useState(true);
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final isZoomedOut = useState(true);
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useEffect(() {
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if (showButtons.value) {
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SystemChrome.setEnabledSystemUIOverlays([
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SystemUiOverlay.bottom,
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SystemUiOverlay.top,
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]);
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} else {
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SystemChrome.setEnabledSystemUIOverlays([]);
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}
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return null;
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}, [showButtons.value]);
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useEffect(
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() => () => SystemChrome.setEnabledSystemUIOverlays([
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SystemUiOverlay.bottom,
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SystemUiOverlay.top,
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]),
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[]);
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share() {
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showModalBottomSheet(
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backgroundColor: Colors.transparent,
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context: context,
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builder: (context) => BottomModal(
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child: Column(
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children: [
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ListTile(
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leading: Icon(Icons.link),
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title: Text('Share link'),
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onTap: () {
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Navigator.of(context).pop();
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Share.text('Share image url', url, 'text/plain');
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},
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),
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ListTile(
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leading: Icon(Icons.image),
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title: Text('Share file'),
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onTap: () {
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Navigator.of(context).pop();
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// TODO: share file
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},
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),
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],
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),
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),
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);
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}
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return Scaffold(
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extendBodyBehindAppBar: true,
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extendBody: true,
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appBar: showButtons.value
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? AppBar(
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backgroundColor: Colors.black38,
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shadowColor: Colors.transparent,
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leading: CloseButton(),
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actions: [
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IconButton(
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icon: Icon(Icons.share),
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tooltip: 'share',
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onPressed: share,
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),
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IconButton(
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icon: Icon(Icons.file_download),
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tooltip: 'download',
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onPressed: () {},
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),
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],
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)
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: null,
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body: GestureDetector(
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onTapUp: (details) => showButtons.value = !showButtons.value,
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onVerticalDragEnd: isZoomedOut.value
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? (details) {
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if (details.primaryVelocity.abs() > 1000) {
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Navigator.of(context).pop();
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}
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}
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: null,
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child: PhotoView(
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scaleStateChangedCallback: (value) {
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isZoomedOut.value = value == PhotoViewScaleState.zoomedOut ||
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value == PhotoViewScaleState.initial;
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},
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minScale: PhotoViewComputedScale.contained,
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initialScale: PhotoViewComputedScale.contained,
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imageProvider: CachedNetworkImageProvider(url),
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heroAttributes: PhotoViewHeroAttributes(tag: url),
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loadingBuilder: (context, event) =>
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Center(child: CircularProgressIndicator()),
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),
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),
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);
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}
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}
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