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@ -1,10 +1,11 @@
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part of '../neon.dart'; |
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final _cacheManager = DefaultCacheManager(); |
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class CachedURLImage extends StatelessWidget { |
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const CachedURLImage({ |
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required this.url, |
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required this.requestManager, |
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required this.client, |
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required this.account, |
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this.height, |
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this.width, |
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this.fit, |
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@ -13,8 +14,7 @@ class CachedURLImage extends StatelessWidget {
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}); |
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final String url; |
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final RequestManager requestManager; |
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final NextcloudClient client; |
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final Account account; |
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final double? height; |
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final double? width; |
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@ -24,71 +24,59 @@ class CachedURLImage extends StatelessWidget {
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final Color? color; |
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@override |
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Widget build(final BuildContext context) => SizedBox( |
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height: height, |
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width: width, |
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child: Center( |
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child: ResultStreamBuilder<Uint8List>( |
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// TODO: Cache this properly. It was not working in listviews where the old image was still rendered in the same index, until it was scrolled out of view. |
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stream: requestManager.wrapBytes( |
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client.id, |
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'image-${base64.encode(url.codeUnits)}', |
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() async => (await http.get( |
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Uri.parse(url), |
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headers: client.baseHeaders, |
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)) |
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.bodyBytes, |
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preferCache: true, |
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Widget build(final BuildContext context) => FutureBuilder<File>( |
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// Really weird false positive |
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// ignore: discarded_futures |
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future: _cacheManager.getSingleFile( |
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url, |
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headers: account.client.baseHeaders, |
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), |
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builder: ( |
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final context, |
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final data, |
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final error, |
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final loading, |
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) => |
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Stack( |
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children: [ |
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if (data != null) ...[ |
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SizedBox( |
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height: height, |
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width: width, |
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child: Builder( |
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builder: (final context) { |
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builder: (final context, final fileSnapshot) { |
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if (fileSnapshot.hasData) { |
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final content = fileSnapshot.data!.readAsBytesSync(); |
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var isSvg = false; |
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if (Uri.parse(url).path.endsWith('.svg')) { |
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isSvg = true; |
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} |
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if (!isSvg) { |
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try { |
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// TODO: Is this safe enough? Research in XML spec if a space is allowed between the < and the tag name |
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if (utf8.decode(data).contains('<svg')) { |
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return SvgPicture.memory( |
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data, |
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color: color, |
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); |
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// TODO: Is this safe enough? |
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if (utf8.decode(content).contains('<svg')) { |
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isSvg = true; |
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} |
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} catch (_) { |
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// If the data is not UTF-8 |
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} |
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} |
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if (isSvg) { |
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return SvgPicture.memory( |
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content, |
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height: height, |
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width: width, |
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fit: fit ?? BoxFit.contain, |
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color: color, |
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); |
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} |
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return Image.memory( |
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data, |
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content, |
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height: height, |
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width: width, |
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fit: fit, |
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); |
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}, |
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), |
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), |
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], |
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if (error != null) ...[ |
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Icon( |
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} |
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if (fileSnapshot.hasError) { |
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return Icon( |
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Icons.error_outline, |
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size: height != null && width != null ? min(height!, width!) : height ?? width, |
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), |
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], |
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if (loading) ...[ |
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SizedBox( |
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); |
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} |
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return SizedBox( |
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width: width, |
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child: const CustomLinearProgressIndicator(), |
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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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}, |
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); |
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} |
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jld3103
2 years ago
committed by
GitHub