pikapika/lib/screens/ComicReaderScreen.dart

222 lines
6.3 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:pikapi/basic/Entities.dart';
import 'package:pikapi/basic/Method.dart';
import 'package:pikapi/basic/config/AutoFullScreen.dart';
import 'package:pikapi/basic/config/FullScreenUI.dart';
import 'package:pikapi/basic/config/Quality.dart';
import 'package:pikapi/basic/config/ReaderDirection.dart';
import 'package:pikapi/basic/config/ReaderType.dart';
import 'package:pikapi/screens/components/ContentBuilder.dart';
import 'components/ImageReader.dart';
// 在线阅读漫画
class ComicReaderScreen extends StatefulWidget {
final ComicInfo comicInfo;
final List<Ep> epList;
final currentEpOrder;
final int? initPictureRank;
final ReaderType pagerType = gReaderType;
final ReaderDirection pagerDirection = gReaderDirection;
late final bool autoFullScreen;
ComicReaderScreen({
Key? key,
required this.comicInfo,
required this.epList,
required this.currentEpOrder,
this.initPictureRank,
bool? autoFullScreen,
}) : super(key: key) {
this.autoFullScreen = autoFullScreen ?? gAutoFullScreen;
}
@override
State<StatefulWidget> createState() => _ComicReaderScreenState();
}
class _ComicReaderScreenState extends State<ComicReaderScreen> {
late Ep _ep;
late bool _fullScreen = false;
late Future<List<PicaImage>> _future;
int? _lastChangeRank;
bool _replacement = false;
Future<List<PicaImage>> _load() async {
if (widget.initPictureRank == null) {
await method.storeViewEp(widget.comicInfo.id, _ep.order, _ep.title, 1);
}
List<PicaImage> list = [];
var _needLoadPage = 0;
late PicturePage page;
do {
page = await method.comicPicturePageWithQuality(
widget.comicInfo.id,
widget.currentEpOrder,
++_needLoadPage,
currentQualityCode,
);
list.addAll(page.docs.map((element) => element.media));
} while (page.pages > page.page);
if (widget.autoFullScreen) {
setState(() {
SystemChrome.setEnabledSystemUIOverlays([]);
_fullScreen = true;
});
}
return list;
}
Future _onPositionChange(int position) async {
_lastChangeRank = position + 1;
return method.storeViewEp(
widget.comicInfo.id, _ep.order, _ep.title, position + 1);
}
String _nextText = "";
FutureOr<dynamic> Function() _nextAction = () => null;
@override
void initState() {
// NEXT
var orderMap = Map<int, Ep>();
widget.epList.forEach((element) {
orderMap[element.order] = element;
});
if (orderMap.containsKey(widget.currentEpOrder + 1)) {
_nextText = "下一章";
_nextAction = () {
_replacement = true;
Navigator.of(context).pushReplacement(
MaterialPageRoute(
builder: (context) => ComicReaderScreen(
comicInfo: widget.comicInfo,
epList: widget.epList,
currentEpOrder: widget.currentEpOrder + 1,
autoFullScreen: _fullScreen,
),
),
);
};
} else {
_nextText = "阅读结束";
_nextAction = () => Navigator.of(context).pop();
}
// EP
widget.epList.forEach((element) {
if (element.order == widget.currentEpOrder) {
_ep = element;
}
});
// INIT
_future = _load();
addVolumeListen();
super.initState();
}
@override
void dispose() {
if (!_replacement) {
switchFullScreenUI();
}
delVolumeListen();
super.dispose();
}
@override
Widget build(BuildContext context) {
return readerKeyboardHolder(_build(context));
}
Widget _build(BuildContext context) {
return Scaffold(
appBar: _fullScreen
? null
: AppBar(
title: Text("${_ep.title} - ${widget.comicInfo.title}"),
actions: [
IconButton(
onPressed: () async {
await choosePagerDirection(context);
if (widget.pagerDirection != gReaderDirection) {
_reloadReader();
}
},
icon: Icon(Icons.grid_goldenratio),
),
IconButton(
onPressed: () async {
await choosePagerType(context);
if (widget.pagerType != gReaderType) {
_reloadReader();
}
},
icon: Icon(Icons.view_day_outlined),
),
],
),
body: ContentBuilder(
future: _future,
onRefresh: () async {
setState(() {
_future = _load();
});
},
successBuilder:
(BuildContext context, AsyncSnapshot<List<PicaImage>> snapshot) {
return ImageReader(
ImageReaderStruct(
images: snapshot.data!
.map((e) => ReaderImageInfo(
e.fileServer,
e.path,
null,
null,
null,
null,
null,
))
.toList(),
fullScreen: _fullScreen,
onFullScreenChange: _onFullScreenChange,
onNextText: _nextText,
onNextAction: _nextAction,
onPositionChange: _onPositionChange,
initPosition: widget.initPictureRank == null
? null
: widget.initPictureRank! - 1,
pagerType: widget.pagerType,
pagerDirection: widget.pagerDirection,
),
);
},
),
);
}
Future _onFullScreenChange(bool fullScreen) async {
setState(() {
SystemChrome.setEnabledSystemUIOverlays(
fullScreen ? [] : SystemUiOverlay.values);
_fullScreen = fullScreen;
});
}
// 重新加载本页
void _reloadReader() {
_replacement = true;
Navigator.of(context).pushReplacement(MaterialPageRoute(
builder: (context) => ComicReaderScreen(
comicInfo: widget.comicInfo,
epList: widget.epList,
currentEpOrder: widget.currentEpOrder,
initPictureRank: _lastChangeRank ?? widget.initPictureRank,
// maybe null
autoFullScreen: _fullScreen,
),
));
}
}