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/Method.dart'; import 'package:pikapika/basic/config/AutoFullScreen.dart'; import 'package:pikapika/basic/config/FullScreenUI.dart'; import 'package:pikapika/basic/config/Quality.dart'; import 'package:pikapika/basic/config/ReaderDirection.dart'; import 'package:pikapika/basic/config/ReaderType.dart'; import 'package:pikapika/basic/const.dart'; import 'package:pikapika/screens/components/ContentError.dart'; import 'package:pikapika/screens/components/ContentLoading.dart'; import 'components/ImageReader.dart'; // 在线阅读漫画 class ComicReaderScreen extends StatefulWidget { final ComicInfo comicInfo; final List epList; final currentEpOrder; final int? initPicturePosition; late final bool autoFullScreen; ComicReaderScreen({ 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() => _ComicReaderScreenState(); } class _ComicReaderScreenState extends State { late Ep _ep; late bool _fullScreen = false; late Future> _future; int? _lastChangeRank; bool _replacement = false; Future> _load() async { if (widget.initPicturePosition == null) { await method.storeViewEp(widget.comicInfo.id, _ep.order, _ep.title, 0); } List 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; return method.storeViewEp( widget.comicInfo.id, _ep.order, _ep.title, position); } FutureOr _onChangeEp(int epOrder) { var orderMap = Map(); widget.epList.forEach((element) { orderMap[element.order] = element; }); if (orderMap.containsKey(epOrder)) { _replacement = true; Navigator.of(context).pushReplacement( MaterialPageRoute( builder: (context) => ComicReaderScreen( comicInfo: widget.comicInfo, epList: widget.epList, currentEpOrder: epOrder, autoFullScreen: _fullScreen, ), ), ); } } FutureOr _onReloadEp() { _replacement = true; Navigator.of(context).pushReplacement(MaterialPageRoute( builder: (context) => ComicReaderScreen( 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.order == 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( backgroundColor: readerAppbarColor, title: Text("${_ep.title} - ${widget.comicInfo.title}"), ), body: ContentError( error: snapshot.error, stackTrace: snapshot.stackTrace, onRefresh: () async { setState(() { _future = _load(); }); }, ), ); } if (snapshot.connectionState != ConnectionState.done) { return Scaffold( appBar: _fullScreen ? null : AppBar( backgroundColor: readerAppbarColor, title: Text("${_ep.title} - ${widget.comicInfo.title}"), ), body: ContentLoading(label: '加载中'), ); } var epNameMap = Map(); widget.epList.forEach((element) { epNameMap[element.order] = element.title; }); return Scaffold( body: ImageReader( ImageReaderStruct( images: snapshot.data! .map((e) => ReaderImageInfo( e.fileServer, e.path, null, null, null, null, null, )) .toList(), fullScreen: _fullScreen, onFullScreenChange: _onFullScreenChange, onPositionChange: _onPositionChange, initPosition: widget.initPicturePosition, epNameMap: epNameMap, epOrder: _ep.order, comicTitle: widget.comicInfo.title, onChangeEp: _onChangeEp, onReloadEp: _onReloadEp, ), ), ); }, ); } Future _onFullScreenChange(bool fullScreen) async { setState(() { SystemChrome.setEnabledSystemUIOverlays( fullScreen ? [] : SystemUiOverlay.values); _fullScreen = fullScreen; }); } }