import 'dart:async'; import 'package:flutter/material.dart'; import 'package:flutter/services.dart'; import 'package:pikapika/basic/Common.dart'; import 'package:pikapika/basic/Entities.dart'; import 'package:pikapika/basic/config/AutoFullScreen.dart'; import 'package:pikapika/basic/config/FullScreenUI.dart'; import 'package:pikapika/basic/config/ReaderDirection.dart'; import 'package:pikapika/basic/config/ReaderType.dart'; import 'package:pikapika/basic/Method.dart'; import 'components/ContentError.dart'; import 'components/ContentLoading.dart'; import 'components/ImageReader.dart'; // 阅读下载的内容 class DownloadReaderScreen extends StatefulWidget { final DownloadComic comicInfo; final List epList; final int currentEpOrder; final int? initPicturePosition; final ReaderType pagerType = currentReaderType(); final ReaderDirection pagerDirection = gReaderDirection; late final bool autoFullScreen; DownloadReaderScreen({ Key? key, required this.comicInfo, required this.epList, required this.currentEpOrder, this.initPicturePosition, bool? autoFullScreen, }) : super(key: key) { this.autoFullScreen = autoFullScreen ?? currentAutoFullScreen(); } @override State createState() => _DownloadReaderScreenState(); } class _DownloadReaderScreenState extends State { late DownloadEp _ep; late bool _fullScreen = false; late List pictures = []; late Future _future = _load(); int? _lastChangeRank; bool _replacement = false; Future _load() async { if (widget.initPicturePosition == null) { await method.storeViewEp(widget.comicInfo.id, _ep.epOrder, _ep.title, 0); } pictures.clear(); for (var ep in widget.epList) { if (ep.epOrder == widget.currentEpOrder) { pictures.addAll((await method.downloadPicturesByEpId(ep.id))); } } if (widget.autoFullScreen) { setState(() { SystemChrome.setEnabledSystemUIOverlays([]); _fullScreen = true; }); } } Future _onPositionChange(int position) async { _lastChangeRank = position; return method.storeViewEp( widget.comicInfo.id, _ep.epOrder, _ep.title, position); } FutureOr _onDownload() async { defaultToast(context, "您已经在下载阅读"); } FutureOr _onChangeEp(int epOrder) { var orderMap = Map(); widget.epList.forEach((element) { orderMap[element.epOrder] = element; }); if (orderMap.containsKey(epOrder)) { _replacement = true; Navigator.of(context).pushReplacement( MaterialPageRoute( builder: (context) => DownloadReaderScreen( comicInfo: widget.comicInfo, epList: widget.epList, currentEpOrder: epOrder, autoFullScreen: _fullScreen, ), ), ); } } FutureOr _onReloadEp() { _replacement = true; Navigator.of(context).pushReplacement( MaterialPageRoute( builder: (context) => DownloadReaderScreen( comicInfo: widget.comicInfo, epList: widget.epList, currentEpOrder: widget.currentEpOrder, initPicturePosition: _lastChangeRank ?? widget.initPicturePosition, // maybe null autoFullScreen: _fullScreen, ), ), ); } @override void initState() { // EP widget.epList.forEach((element) { if (element.epOrder == widget.currentEpOrder) { _ep = element; } }); // INIT _future = _load(); super.initState(); } @override void dispose() { if (!_replacement) { switchFullScreenUI(); } super.dispose(); } @override Widget build(BuildContext context) { return readerKeyboardHolder(_build(context)); } Widget _build(BuildContext context) { return FutureBuilder( future: _future, builder: (BuildContext context, AsyncSnapshot snapshot) { if (snapshot.hasError) { return Scaffold( appBar: _fullScreen ? null : AppBar( title: Text("${_ep.title} - ${widget.comicInfo.title}"), ), body: ContentError( error: snapshot.error, stackTrace: snapshot.stackTrace, onRefresh: () async { setState(() { _future = _load(); }); }, ), ); } if (snapshot.connectionState != ConnectionState.done) { return Scaffold( appBar: _fullScreen ? null : AppBar( title: Text("${_ep.title} - ${widget.comicInfo.title}"), ), body: ContentLoading(label: '加载中'), ); } var epNameMap = Map(); widget.epList.forEach((element) { epNameMap[element.epOrder] = element.title; }); return Scaffold( body: ImageReader( ImageReaderStruct( images: pictures .map((e) => ReaderImageInfo(e.fileServer, e.path, e.localPath, e.width, e.height, e.format, e.fileSize)) .toList(), fullScreen: _fullScreen, onFullScreenChange: _onFullScreenChange, onPositionChange: _onPositionChange, initPosition: widget.initPicturePosition, epOrder: _ep.epOrder, epNameMap: epNameMap, comicTitle: widget.comicInfo.title, onReloadEp: _onReloadEp, onChangeEp: _onChangeEp, onDownload: _onDownload, ), ), ); }, ); } Future _onFullScreenChange(bool fullScreen) async { setState(() { SystemChrome.setEnabledSystemUIOverlays( fullScreen ? [] : SystemUiOverlay.values); _fullScreen = fullScreen; }); } }