import 'dart:math' as math; import 'dart:ui'; import 'package:dismissible_page/dismissible_page.dart'; import 'package:flutter/material.dart' hide CarouselController; import 'package:flutter_animate/flutter_animate.dart'; import 'package:gap/gap.dart'; import 'package:get/get.dart'; import 'package:solian/models/attachment.dart'; import 'package:solian/widgets/attachments/attachment_item.dart'; import 'package:solian/providers/content/attachment.dart'; import 'package:solian/widgets/attachments/attachment_fullscreen.dart'; import 'package:solian/widgets/sized_container.dart'; class AttachmentList extends StatefulWidget { final String parentId; final List? attachmentIds; final List? attachments; final bool isGrid; final bool isColumn; final bool isFullWidth; final bool autoload; final double columnMaxWidth; final EdgeInsets? padding; final double? width; final double? viewport; const AttachmentList({ super.key, required this.parentId, this.attachmentIds, this.attachments, this.isGrid = false, this.isColumn = false, this.isFullWidth = false, this.autoload = false, this.columnMaxWidth = 480, this.padding, this.width, this.viewport, }); @override State createState() => _AttachmentListState(); } class _AttachmentListState extends State { bool _isLoading = true; bool _showMature = false; double _aspectRatio = 1; List _attachments = List.empty(); void _getMetadataList() { final AttachmentProvider attach = Get.find(); if (widget.attachmentIds?.isEmpty ?? false) { return; } else { _attachments = List.filled(widget.attachmentIds!.length, null); } attach.listMetadata(widget.attachmentIds!).then((result) { if (mounted) { setState(() { _attachments = result; _isLoading = false; }); } _calculateAspectRatio(); }); } void _calculateAspectRatio() { bool isConsistent = true; double? consistentValue; int portrait = 0, square = 0, landscape = 0; for (var entry in _attachments) { if (entry == null) continue; if (entry.metadata?['ratio'] != null) { if (entry.metadata?['ratio'] is int) { consistentValue ??= entry.metadata?['ratio'].toDouble(); } else { consistentValue ??= entry.metadata?['ratio']; } if (isConsistent && entry.metadata?['ratio'] != consistentValue) { isConsistent = false; } if (entry.metadata!['ratio'] > 1) { landscape++; } else if (entry.metadata!['ratio'] == 1) { square++; } else { portrait++; } } else if (entry.mimetype.split('/').firstOrNull == 'audio') { landscape++; } } if (isConsistent && consistentValue != null) { _aspectRatio = consistentValue; } else { if (portrait > square && portrait > landscape) { _aspectRatio = 9 / 16; } if (landscape > square && landscape > portrait) { _aspectRatio = 16 / 9; } else { _aspectRatio = 1; } } } Widget _buildEntry(Attachment? element, int idx, {double? width}) { return AttachmentListEntry( item: element, parentId: widget.parentId, width: width ?? widget.width, badgeContent: '${idx + 1}/${_attachments.length}', showBadge: _attachments.length > 1 && !widget.isGrid && !widget.isColumn, showBorder: _attachments.length > 1, showMature: _showMature, autoload: widget.autoload, onReveal: (value) { setState(() => _showMature = value); }, ); } @override void initState() { super.initState(); assert(widget.attachmentIds != null || widget.attachments != null); if (widget.attachments == null) { final AttachmentProvider attach = Get.find(); final cachedResult = attach.listMetadataFromCache(widget.attachmentIds!); if (cachedResult.every((x) => x != null)) { setState(() { _attachments = cachedResult; _isLoading = false; }); _calculateAspectRatio(); } else { _getMetadataList(); } } else { setState(() { _attachments = widget.attachments!; _isLoading = false; }); _calculateAspectRatio(); } } Color get _unFocusColor => Theme.of(context).colorScheme.onSurface.withOpacity(0.75); @override Widget build(BuildContext context) { if (widget.attachmentIds?.isEmpty ?? widget.attachments!.isEmpty) { return const SizedBox.shrink(); } if (_isLoading) { return Row( children: [ Icon( Icons.file_copy, size: 12, color: _unFocusColor, ).paddingOnly(right: 5), Text( 'attachmentHint'.trParams({'count': _attachments.toString()}), style: TextStyle(color: _unFocusColor, fontSize: 12), ) ], ) .paddingSymmetric(horizontal: 8) .animate(onPlay: (c) => c.repeat(reverse: true)) .fadeIn(duration: 1250.ms); } const radius = BorderRadius.all(Radius.circular(8)); if (widget.isFullWidth && _attachments.length == 1) { final element = _attachments.first; double ratio = math.max( element!.metadata?['ratio']?.toDouble() ?? 16 / 9, 0.5, ); return Container( width: MediaQuery.of(context).size.width, constraints: BoxConstraints( maxHeight: 640, ), child: AspectRatio( aspectRatio: ratio, child: Container( decoration: BoxDecoration( border: Border.symmetric( horizontal: BorderSide( color: Theme.of(context).dividerColor, width: 1, ), ), ), child: _buildEntry(element, 0), ), ), ); } final isNotPureImage = _attachments.any( (x) => x?.mimetype.split('/').firstOrNull != 'image', ); if (widget.isGrid && !isNotPureImage) { return GridView.builder( padding: EdgeInsets.zero, primary: false, physics: const NeverScrollableScrollPhysics(), shrinkWrap: true, gridDelegate: SliverGridDelegateWithFixedCrossAxisCount( crossAxisCount: math.min(3, _attachments.length), mainAxisSpacing: 8.0, crossAxisSpacing: 8.0, ), itemCount: _attachments.length, itemBuilder: (context, idx) { final element = _attachments[idx]; return Container( decoration: BoxDecoration( color: Theme.of(context).colorScheme.surfaceContainerHigh, border: Border.all( color: Theme.of(context).dividerColor, width: 1, ), borderRadius: radius, ), child: ClipRRect( borderRadius: radius, child: _buildEntry(element, idx), ), ); }, ); } if (widget.isColumn) { var idx = 0; return Wrap( spacing: 8, runSpacing: 8, children: _attachments.map((x) { final element = _attachments[idx]; idx++; if (element == null) return const SizedBox.shrink(); double ratio = math.max( element.metadata?['ratio']?.toDouble() ?? 16 / 9, 0.5, ); return Container( constraints: BoxConstraints( maxWidth: widget.columnMaxWidth, maxHeight: 640, ), child: AspectRatio( aspectRatio: ratio, child: Container( decoration: BoxDecoration( border: Border.all( color: Theme.of(context).dividerColor, width: 1, ), borderRadius: radius, ), child: ClipRRect( borderRadius: radius, child: _buildEntry(element, idx), ), ), ), ); }).toList(), ); } return Container( constraints: BoxConstraints( maxHeight: 320, ), child: ListView.separated( padding: widget.padding, scrollDirection: Axis.horizontal, shrinkWrap: true, itemCount: _attachments.length, itemBuilder: (context, idx) { final element = _attachments[idx]; if (element == null) const SizedBox.shrink(); double ratio = math.max( element!.metadata?['ratio']?.toDouble() ?? 16 / 9, 0.5, ); return Container( constraints: BoxConstraints( maxWidth: math.min( widget.columnMaxWidth, MediaQuery.of(context).size.width - (widget.padding?.horizontal ?? 0), ), ), child: AspectRatio( aspectRatio: ratio, child: Container( decoration: BoxDecoration( border: Border.all( color: Theme.of(context).dividerColor, width: 1, ), borderRadius: radius, ), child: ClipRRect( borderRadius: radius, child: _buildEntry(element, idx), ), ), ), ); }, separatorBuilder: (context, _) => const Gap(8), ), ); } } class AttachmentListEntry extends StatelessWidget { final String parentId; final Attachment? item; final String? badgeContent; final double? width; final double? height; final bool showBorder; final bool showBadge; final bool showMature; final bool isDense; final bool autoload; final Function(bool) onReveal; const AttachmentListEntry({ super.key, required this.parentId, required this.onReveal, this.item, this.badgeContent, this.width, this.height, this.showBorder = false, this.showBadge = false, this.showMature = false, this.isDense = false, this.autoload = false, }); @override Widget build(BuildContext context) { if (item == null) { return Center( child: Icon( Icons.close, size: 32, color: Theme.of(context).colorScheme.onSurface, ) .animate(onPlay: (e) => e.repeat(reverse: true)) .fade(duration: 500.ms), ); } return GestureDetector( child: Container( width: width ?? MediaQuery.of(context).size.width, height: height, decoration: BoxDecoration( color: Colors.transparent, border: showBorder ? Border.symmetric( vertical: BorderSide( width: 0.3, color: Theme.of(context).dividerColor, ), ) : null, ), child: Stack( fit: StackFit.expand, children: [ AttachmentItem( parentId: parentId, key: Key('a${item!.uuid}'), item: item!, badge: showBadge ? badgeContent : null, showHideButton: !item!.isMature || showMature, autoload: autoload, isDense: isDense, onHide: () { onReveal(false); }, ), if (item!.isMature && !showMature) BackdropFilter( filter: ImageFilter.blur(sigmaX: 100, sigmaY: 100), child: Container( decoration: BoxDecoration( color: Colors.black.withOpacity(0.5), ), ), ), if (item!.isMature && !showMature) CenteredContainer( maxWidth: 280, child: Column( mainAxisAlignment: MainAxisAlignment.center, children: [ const Icon( Icons.visibility_off, color: Colors.white, size: 32, ), if (!isDense) const Gap(8), if (!isDense) Text( 'matureContent'.tr, style: const TextStyle( color: Colors.white, fontWeight: FontWeight.bold, fontSize: 16, ), ), if (!isDense) Text( 'matureContentCaption'.tr, style: const TextStyle(color: Colors.white), textAlign: TextAlign.center, ), ], ), ), ], ), ), onTap: () { if (!showMature && item!.isMature) { onReveal(true); } else if (['image'].contains(item!.mimetype.split('/').first)) { context.pushTransparentRoute( AttachmentFullScreen( parentId: parentId, item: item!, ), rootNavigator: true, ); } }, ); } } class AttachmentSelfContainedEntry extends StatefulWidget { final String rid; final String parentId; final bool isDense; const AttachmentSelfContainedEntry({ super.key, required this.rid, required this.parentId, this.isDense = false, }); @override State createState() => _AttachmentSelfContainedEntryState(); } class _AttachmentSelfContainedEntryState extends State { bool _showMature = false; @override Widget build(BuildContext context) { final AttachmentProvider attachments = Get.find(); return FutureBuilder( future: attachments.getMetadata(widget.rid), builder: (context, snapshot) { if (!snapshot.hasData) { return const Center( child: CircularProgressIndicator(), ); } return AttachmentListEntry( item: snapshot.data, isDense: widget.isDense, parentId: widget.parentId, showMature: _showMature, onReveal: (value) { setState(() => _showMature = value); }, ); }, ); } }