Files
pixes/lib/pages/illust_page.dart
2024-05-17 09:43:00 +08:00

938 lines
28 KiB
Dart

import 'dart:io';
import 'package:fluent_ui/fluent_ui.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart' show Icons;
import 'package:flutter/services.dart';
import 'package:pixes/components/animated_image.dart';
import 'package:pixes/components/loading.dart';
import 'package:pixes/components/message.dart';
import 'package:pixes/components/page_route.dart';
import 'package:pixes/foundation/app.dart';
import 'package:pixes/foundation/image_provider.dart';
import 'package:pixes/network/download.dart';
import 'package:pixes/network/network.dart';
import 'package:pixes/pages/image_page.dart';
import 'package:pixes/pages/search_page.dart';
import 'package:pixes/pages/user_info_page.dart';
import 'package:pixes/utils/translation.dart';
import 'package:share_plus/share_plus.dart';
import '../components/md.dart';
import '../components/ugoira.dart';
const _kBottomBarHeight = 64.0;
class IllustPage extends StatefulWidget {
const IllustPage(this.illust, {this.favoriteCallback, super.key});
final Illust illust;
final void Function(bool)? favoriteCallback;
@override
State<IllustPage> createState() => _IllustPageState();
}
class _IllustPageState extends State<IllustPage> {
@override
Widget build(BuildContext context) {
return ColoredBox(
color: FluentTheme.of(context).micaBackgroundColor,
child: SizedBox.expand(
child: ColoredBox(
color: FluentTheme.of(context).scaffoldBackgroundColor,
child: LayoutBuilder(builder: (context, constrains) {
return Stack(
children: [
Positioned(
bottom: 0,
left: 0,
right: 0,
top: 0,
child: buildBody(constrains.maxWidth, constrains.maxHeight),
),
_BottomBar(
widget.illust,
constrains.maxHeight,
constrains.maxWidth,
favoriteCallback: widget.favoriteCallback,
),
],
);
}),
),
),
);
}
Widget buildBody(double width, double height) {
return ListView.builder(
itemCount: widget.illust.images.length + 2,
padding: EdgeInsets.zero,
itemBuilder: (context, index) {
return buildImage(width, height, index);
});
}
void openImage(int index) {
var images = <String>[];
for(var i = 0; i < widget.illust.images.length; i++) {
var downloadFile = DownloadManager().getImage(widget.illust.id, i);
if(downloadFile != null) {
images.add("file://${downloadFile.path}");
} else {
images.add(widget.illust.images[i].original);
}
}
ImagePage.show(images, initialPage: index);
}
Widget buildImage(double width, double height, int index) {
if (index == 0) {
return Text(
widget.illust.title,
style: const TextStyle(fontSize: 24),
).paddingVertical(8).paddingHorizontal(12);
}
index--;
File? downloadFile;
if(widget.illust.downloaded) {
downloadFile = DownloadManager().getImage(widget.illust.id, index);
}
if (index == widget.illust.images.length) {
return SizedBox(
height: _kBottomBarHeight + context.padding.bottom,
);
}
var imageWidth = width;
var imageHeight = widget.illust.height * width / widget.illust.width;
if (imageHeight > height) {
// 确保图片能够完整显示在屏幕上
var scale = imageHeight / height;
imageWidth = imageWidth / scale;
imageHeight = height;
}
Widget image;
if(!widget.illust.isUgoira) {
image = SizedBox(
width: imageWidth,
height: imageHeight,
child: GestureDetector(
onTap: () => openImage(index),
child: Image(
key: ValueKey(index),
image: downloadFile == null
? CachedImageProvider(widget.illust.images[index].large) as ImageProvider
: FileImage(downloadFile) as ImageProvider,
width: imageWidth,
fit: BoxFit.cover,
height: imageHeight,
loadingBuilder: (context, child, loadingProgress) {
if (loadingProgress == null) return child;
double? value;
if(loadingProgress.expectedTotalBytes != null) {
value = (loadingProgress.cumulativeBytesLoaded /
loadingProgress.expectedTotalBytes!)*100;
}
if(value != null && (value > 100 || value < 0)) {
value = null;
}
return Center(
child: SizedBox(
width: 24,
height: 24,
child: ProgressRing(
value: value,
),
),
);
}
),
),
);
} else {
image = UgoiraWidget(
id: widget.illust.id.toString(),
previewImage: CachedImageProvider(widget.illust.images[index].large),
width: imageWidth,
height: imageHeight,
);
}
return Center(
child: image,
);
}
}
class _BottomBar extends StatefulWidget {
const _BottomBar(this.illust, this.height, this.width, {this.favoriteCallback});
final void Function(bool)? favoriteCallback;
final Illust illust;
final double height;
final double width;
@override
State<_BottomBar> createState() => _BottomBarState();
}
class _BottomBarState extends State<_BottomBar> with TickerProviderStateMixin{
double pageHeight = 0;
double widgetHeight = 48;
final key = GlobalKey();
double _width = 0;
late VerticalDragGestureRecognizer _recognizer;
late final AnimationController animationController;
double get minValue => pageHeight - widgetHeight;
double get maxValue => pageHeight - _kBottomBarHeight - context.padding.bottom;
@override
void initState() {
_width = widget.width;
pageHeight = widget.height;
Future.delayed(const Duration(milliseconds: 200), () {
final box = key.currentContext?.findRenderObject() as RenderBox?;
widgetHeight = (box?.size.height) ?? 0;
});
_recognizer = VerticalDragGestureRecognizer()
..onStart = _handlePointerDown
..onUpdate = _handlePointerMove
..onEnd = _handlePointerUp
..onCancel = _handlePointerCancel;
animationController = AnimationController(
vsync: this, duration: const Duration(milliseconds: 180),
value: 1
);
super.initState();
}
void _handlePointerDown(DragStartDetails details) {}
void _handlePointerMove(DragUpdateDetails details) {
var offset = details.primaryDelta ?? 0;
final minValue = pageHeight - widgetHeight;
final maxValue = pageHeight - _kBottomBarHeight - context.padding.bottom;
var top = animationController.value * (maxValue - minValue) + minValue;
top = (top + offset).clamp(minValue, maxValue);
animationController.value = (top - minValue) / (maxValue - minValue);
}
void _handlePointerUp(DragEndDetails details) {
var speed = details.primaryVelocity ?? 0;
const minShouldTransitionSpeed = 1000;
if(speed > minShouldTransitionSpeed) {
animationController.forward();
} else if(speed < 0 - minShouldTransitionSpeed) {
animationController.reverse();
} else {
_handlePointerCancel();
}
}
void _handlePointerCancel() {
if(animationController.value == 1 || animationController.value == 0) return;
if(animationController.value >= 0.5 ) {
animationController.forward();
} else {
animationController.reverse();
}
}
@override
void didUpdateWidget(covariant _BottomBar oldWidget) {
if (widget.height != pageHeight) {
setState(() {
pageHeight = widget.height;
});
}
_recognizer.dispose();
if(_width != widget.width) {
_width = widget.width;
Future.microtask(() {
final box = key.currentContext?.findRenderObject() as RenderBox?;
var oldHeight = widgetHeight;
widgetHeight = (box?.size.height) ?? 0;
if(oldHeight != widgetHeight) {
setState(() {});
}
});
}
super.didUpdateWidget(oldWidget);
}
@override
Widget build(BuildContext context) {
return AnimatedBuilder(
animation: CurvedAnimation(
parent: animationController,
curve: Curves.ease,
reverseCurve: Curves.ease,
),
builder: (context, child) {
return Positioned(
top: minValue + (maxValue - minValue) * animationController.value,
left: 0,
right: 0,
child: Listener(
onPointerDown: (event) {
_recognizer.addPointer(event);
},
onPointerSignal: (event) {
if(event is PointerScrollEvent) {
var offset = (event).scrollDelta.dy;
if(offset < 0) {
animationController.reverse();
} else {
animationController.forward();
}
}
},
child: Card(
borderRadius: const BorderRadius.vertical(top: Radius.circular(8)),
backgroundColor:
FluentTheme.of(context).micaBackgroundColor.withOpacity(0.96),
padding: const EdgeInsets.symmetric(horizontal: 8),
child: SizedBox(
width: double.infinity,
key: key,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
buildTop(),
buildStats(),
buildTags(),
buildMoreActions(),
SelectableText(
"${"Artwork ID".tl}: ${widget.illust.id}\n"
"${"Artist ID".tl}: ${widget.illust.author.id}\n"
"${widget.illust.createDate.toString().split('.').first}",
style: TextStyle(color: ColorScheme.of(context).outline),)
.paddingLeft(4),
SizedBox(height: 8 + context.padding.bottom,)
],
),
),
),
),
);
},
);
}
Widget buildTop() {
return SizedBox(
height: _kBottomBarHeight,
width: double.infinity,
child: LayoutBuilder(builder: (context, constrains) {
return Row(
children: [
buildAuthor(),
...buildActions(constrains.maxWidth),
const Spacer(),
if (animationController.value == 1)
IconButton(
icon: const Icon(FluentIcons.up),
onPressed: () {
animationController.reverse();
})
else
IconButton(
icon: const Icon(FluentIcons.down),
onPressed: () {
animationController.forward();
})
],
);
}),
);
}
bool isFollowing = false;
Widget buildAuthor() {
void follow() async{
if(isFollowing) return;
setState(() {
isFollowing = true;
});
var method = widget.illust.author.isFollowed ? "delete" : "add";
var res = await Network().follow(widget.illust.author.id.toString(), method);
if(res.error) {
if(mounted) {
context.showToast(message: "Network Error");
}
} else {
widget.illust.author.isFollowed = !widget.illust.author.isFollowed;
}
setState(() {
isFollowing = false;
});
}
final bool showUserName = MediaQuery.of(context).size.width > 640;
return Card(
margin: const EdgeInsets.symmetric(vertical: 8),
padding: const EdgeInsets.symmetric(horizontal: 8),
borderRadius: BorderRadius.circular(8),
child: SizedBox(
height: double.infinity,
width: showUserName ? 246 : 136,
child: Row(
children: [
SizedBox(
height: 40,
width: 40,
child: ClipRRect(
borderRadius: BorderRadius.circular(40),
child: ColoredBox(
color: ColorScheme.of(context).secondaryContainer,
child: GestureDetector(
onTap: () => context.to(() =>
UserInfoPage(
widget.illust.author.id.toString(),
followCallback: (b) => setState(() {
widget.illust.author.isFollowed = b;
}),)),
child: AnimatedImage(
image: CachedImageProvider(widget.illust.author.avatar),
width: 40,
height: 40,
fit: BoxFit.cover,
filterQuality: FilterQuality.medium,
),
),
),
),
),
const SizedBox(
width: 8,
),
if(showUserName)
Expanded(
child: Text(
widget.illust.author.name,
maxLines: 2,
),
),
if(isFollowing)
Button(onPressed: follow, child: const SizedBox(
width: 42,
height: 24,
child: Center(
child: SizedBox.square(
dimension: 18,
child: ProgressRing(strokeWidth: 2,),
),
),
))
else if (!widget.illust.author.isFollowed)
Button(onPressed: follow, child: Text("Follow".tl).fixWidth(62))
else
Button(
onPressed: follow,
child: Text(
"Unfollow".tl,
style: TextStyle(color: ColorScheme.of(context).error),
).fixWidth(62),
),
],
),
),
);
}
bool isBookmarking = false;
void favorite([String type = "public"]) async{
if(isBookmarking) return;
setState(() {
isBookmarking = true;
});
var method = widget.illust.isBookmarked ? "delete" : "add";
var res = await Network().addBookmark(widget.illust.id.toString(), method, type);
if(res.error) {
if(mounted) {
context.showToast(message: "Network Error");
}
} else {
widget.illust.isBookmarked = !widget.illust.isBookmarked;
widget.favoriteCallback?.call(widget.illust.isBookmarked);
}
setState(() {
isBookmarking = false;
});
}
Iterable<Widget> buildActions(double width) sync* {
yield const SizedBox(width: 8,);
void download() {
DownloadManager().addDownloadingTask(widget.illust);
setState(() {});
}
bool showText = width > 640;
yield Button(
onPressed: favorite,
child: SizedBox(
height: 28,
child: Row(
children: [
if(isBookmarking)
const SizedBox(
width: 18,
height: 18,
child: ProgressRing(strokeWidth: 2,),
)
else if(widget.illust.isBookmarked)
Icon(
Icons.favorite,
color: ColorScheme.of(context).error,
size: 18,
)
else
const Icon(
Icons.favorite_border,
size: 18,
),
if(showText)
const SizedBox(width: 8,),
if(showText)
if(widget.illust.isBookmarked)
Text("Cancel".tl)
else
Text("Favorite".tl)
],
),
),
);
yield const SizedBox(width: 8,);
if (!widget.illust.downloaded) {
if(widget.illust.downloading) {
yield Button(
onPressed: () => {},
child: SizedBox(
height: 28,
child: Row(
children: [
Icon(
FluentIcons.download,
color: ColorScheme.of(context).outline,
size: 18,
),
if(showText)
const SizedBox(width: 8,),
if(showText)
Text("Downloading".tl,
style: TextStyle(color: ColorScheme.of(context).outline),),
],
),
),
);
} else {
yield Button(
onPressed: download,
child: SizedBox(
height: 28,
child: Row(
children: [
const Icon(
FluentIcons.download,
size: 18,
),
if(showText)
const SizedBox(width: 8,),
if(showText)
Text("Download".tl),
],
),
),
);
}
}
yield const SizedBox(width: 8,);
yield Button(
onPressed: () => _CommentsPage.show(context, widget.illust.id.toString()),
child: SizedBox(
height: 28,
child: Row(
children: [
const Icon(
FluentIcons.comment,
size: 18,
),
if(showText)
const SizedBox(width: 8,),
if(showText)
Text("Comment".tl),
],
),
),
);
}
Widget buildStats(){
return SizedBox(
height: 56,
child: Row(
children: [
const SizedBox(width: 2,),
Expanded(
child: Container(
height: 52,
decoration: BoxDecoration(
border: Border.all(color: ColorScheme.of(context).outlineVariant, width: 0.6),
borderRadius: BorderRadius.circular(4)
),
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
child: Row(
children: [
Column(
mainAxisSize: MainAxisSize.min,
children: [
const Icon(FluentIcons.view, size: 20,),
Text("Views".tl, style: const TextStyle(fontSize: 12),)
],
),
const SizedBox(width: 12,),
Text(widget.illust.totalView.toString(), style: TextStyle(color: ColorScheme.of(context).primary, fontWeight: FontWeight.w500, fontSize: 18),)
],
),
),
),
const SizedBox(width: 16,),
Expanded(child: Container(
height: 52,
decoration: BoxDecoration(
border: Border.all(color: ColorScheme.of(context).outlineVariant, width: 0.6),
borderRadius: BorderRadius.circular(4)
),
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
child: Row(
children: [
Column(
mainAxisSize: MainAxisSize.min,
children: [
const Icon(FluentIcons.six_point_star, size: 20,),
Text("Favorites".tl, style: const TextStyle(fontSize: 12),)
],
),
const SizedBox(width: 12,),
Text(widget.illust.totalBookmarks.toString(), style: TextStyle(color: ColorScheme.of(context).primary, fontWeight: FontWeight.w500, fontSize: 18),)
],
),
)),
const SizedBox(width: 2,),
],
),
);
}
Widget buildTags() {
return SizedBox(
width: double.infinity,
child: Wrap(
spacing: 4,
runSpacing: 4,
children: widget.illust.tags.map((e) {
var text = e.name;
if(e.translatedName != null && e.name != e.translatedName) {
text += "/${e.translatedName}";
}
return MouseRegion(
cursor: SystemMouseCursors.click,
child: GestureDetector(
onTap: () {
context.to(() => SearchResultPage(e.name));
},
child: Card(
padding: const EdgeInsets.symmetric(vertical: 4, horizontal: 6),
child: Text(text, style: const TextStyle(fontSize: 13),),
),
),
);
}).toList(),
),
).paddingVertical(8).paddingHorizontal(2);
}
Widget buildMoreActions() {
return Row(
children: [
Button(
onPressed: () => favorite("private"),
child: SizedBox(
height: 28,
child: Row(
children: [
if(isBookmarking)
const SizedBox(
width: 18,
height: 18,
child: ProgressRing(strokeWidth: 2,),
)
else if(widget.illust.isBookmarked)
Icon(
Icons.favorite,
color: ColorScheme.of(context).error,
size: 18,
)
else
const Icon(
Icons.favorite_border,
size: 18,
),
const SizedBox(width: 8,),
if(widget.illust.isBookmarked)
Text("Cancel".tl)
else
Text("Private".tl)
],
),
),
),
const SizedBox(width: 8,),
Button(
onPressed: () {
Share.share("${widget.illust.title}\nhttps://pixiv.net/artworks/${widget.illust.id}");
},
child: SizedBox(
height: 28,
child: Row(
children: [
Icon(
Icons.share,
color: ColorScheme.of(context).error,
size: 18,
),
const SizedBox(width: 8,),
Text("Share".tl)
],
),
),
),
const SizedBox(width: 8,),
Button(
onPressed: () {
var text = "https://pixiv.net/artworks/${widget.illust.id}";
Clipboard.setData(ClipboardData(text: text));
showToast(context, message: "Copied".tl);
},
child: SizedBox(
height: 28,
child: Row(
children: [
Icon(
Icons.copy,
color: ColorScheme.of(context).error,
size: 18,
),
const SizedBox(width: 8,),
Text("Link".tl)
],
),
),
),
],
).paddingHorizontal(4).paddingBottom(4);
}
}
class _CommentsPage extends StatefulWidget {
const _CommentsPage(this.id);
final String id;
static void show(BuildContext context, String id) {
Navigator.of(context).push(SideBarRoute(_CommentsPage(id)));
}
@override
State<_CommentsPage> createState() => _CommentsPageState();
}
class _CommentsPageState extends MultiPageLoadingState<_CommentsPage, Comment> {
bool isCommenting = false;
@override
Widget buildContent(BuildContext context, List<Comment> data) {
return Stack(
children: [
Positioned.fill(child: buildBody(context, data)),
Positioned(
bottom: 0,
left: 0,
right: 0,
child: buildBottom(context),
)
],
);
}
Widget buildBody(BuildContext context, List<Comment> data) {
return ListView.builder(
padding: EdgeInsets.zero,
itemCount: data.length + 2,
itemBuilder: (context, index) {
if(index == 0) {
return Text("Comments".tl, style: const TextStyle(fontSize: 20)).paddingVertical(16).paddingHorizontal(12);
} else if(index == data.length + 1) {
return const SizedBox(height: 64,);
}
index--;
var date = data[index].date;
var dateText = "${date.year}/${date.month}/${date.day}";
return Card(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 12),
margin: const EdgeInsets.symmetric(vertical: 4, horizontal: 12),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Row(
children: [
SizedBox(
height: 38,
width: 38,
child: ClipRRect(
borderRadius: BorderRadius.circular(38),
child: ColoredBox(
color: ColorScheme.of(context).secondaryContainer,
child: GestureDetector(
onTap: () => context.to(() => UserInfoPage(data[index].id.toString())),
child: AnimatedImage(
image: CachedImageProvider(data[index].avatar),
width: 38,
height: 38,
fit: BoxFit.cover,
filterQuality: FilterQuality.medium,
),
),
),
),
),
const SizedBox(width: 8,),
Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(data[index].name, style: const TextStyle(fontSize: 14),),
Text(dateText, style: TextStyle(fontSize: 12, color: ColorScheme.of(context).outline),)
],
)
],
),
const SizedBox(height: 8,),
if(data[index].comment.isNotEmpty)
Text(data[index].comment, style: const TextStyle(fontSize: 16),),
if(data[index].stampUrl != null)
SizedBox(
height: 64,
width: 64,
child: ClipRRect(
borderRadius: BorderRadius.circular(4),
child: AnimatedImage(
image: CachedImageProvider(data[index].stampUrl!),
width: 64,
height: 64,
fit: BoxFit.cover,
),
),
)
],
),
);
}
);
}
Widget buildBottom(BuildContext context) {
return Card(
padding: EdgeInsets.zero,
backgroundColor: FluentTheme.of(context).micaBackgroundColor.withOpacity(0.96),
child: SizedBox(
height: 52,
child: TextBox(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
placeholder: "Comment".tl,
foregroundDecoration: BoxDecoration(
border: Border.all(color: Colors.transparent),
),
onSubmitted: (s) {
showToast(context, message: "Sending".tl);
if(isCommenting) return;
setState(() {
isCommenting = true;
});
Network().comment(widget.id, s).then((value) {
if(value.error) {
context.showToast(message: "Network Error");
setState(() {
isCommenting = false;
});
} else {
isCommenting = false;
nextUrl = null;
reset();
}
});
},
).paddingVertical(8).paddingHorizontal(12),
).paddingBottom(context.padding.bottom + context.viewInsets.bottom),
);
}
String? nextUrl;
@override
Future<Res<List<Comment>>> loadData(int page) async{
if(nextUrl == "end") {
return Res.error("No more data");
}
var res = await Network().getComments(widget.id, nextUrl);
if(!res.error) {
nextUrl = res.subData;
nextUrl ??= "end";
}
return res;
}
}
class IllustPageWithId extends StatefulWidget {
const IllustPageWithId(this.id, {super.key});
final String id;
@override
State<IllustPageWithId> createState() => _IllustPageWithIdState();
}
class _IllustPageWithIdState extends LoadingState<IllustPageWithId, Illust> {
@override
Widget buildContent(BuildContext context, Illust data) {
return IllustPage(data);
}
@override
Future<Res<Illust>> loadData() {
return Network().getIllustByID(widget.id);
}
}