333 lines
13 KiB
Dart
333 lines
13 KiB
Dart
import 'dart:async';
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import 'package:extended_nested_scroll_view/extended_nested_scroll_view.dart';
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import 'package:get/get.dart';
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import 'package:flutter/material.dart';
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import 'package:hive/hive.dart';
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import 'package:pilipala/common/widgets/network_img_layer.dart';
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import 'package:pilipala/common/widgets/sliver_header.dart';
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import 'package:pilipala/pages/video/detail/introduction/widgets/menu_row.dart';
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import 'package:pilipala/pages/video/detail/reply/index.dart';
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import 'package:pilipala/pages/video/detail/controller.dart';
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import 'package:pilipala/pages/video/detail/introduction/index.dart';
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import 'package:pilipala/pages/video/detail/related/index.dart';
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import 'package:pilipala/plugin/pl_player/index.dart';
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import 'package:pilipala/utils/storage.dart';
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import 'widgets/app_bar.dart';
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import 'widgets/header_control.dart';
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class VideoDetailPage extends StatefulWidget {
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const VideoDetailPage({Key? key}) : super(key: key);
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@override
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State<VideoDetailPage> createState() => _VideoDetailPageState();
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static final RouteObserver<PageRoute> routeObserver =
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RouteObserver<PageRoute>();
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}
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class _VideoDetailPageState extends State<VideoDetailPage>
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with TickerProviderStateMixin, RouteAware {
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final VideoDetailController videoDetailController =
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Get.put(VideoDetailController(), tag: Get.arguments['heroTag']);
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PlPlayerController? plPlayerController;
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final ScrollController _extendNestCtr = ScrollController();
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late StreamController<double> appbarStream;
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PlayerStatus playerStatus = PlayerStatus.playing;
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bool isShowCover = true;
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double doubleOffset = 0;
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Box localCache = GStrorage.localCache;
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late double statusBarHeight;
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final videoHeight = Get.size.width * 9 / 16;
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@override
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void initState() {
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super.initState();
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plPlayerController = videoDetailController.plPlayerController;
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plPlayerController!.onPlayerStatusChanged.listen(
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(PlayerStatus status) {
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videoDetailController.markHeartBeat();
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playerStatus = status;
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if (status == PlayerStatus.playing) {
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isShowCover = false;
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setState(() {});
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videoDetailController.loopHeartBeat();
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} else {
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videoDetailController.timer!.cancel();
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// setState(() {});
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// 播放完成停止 or 切换下一个
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if (status == PlayerStatus.completed) {
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// 当只有1p或多p未打开自动播放时，播放完成还原进度条，展示控制栏
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plPlayerController!.seekTo(Duration.zero);
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plPlayerController!.onLockControl(false);
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plPlayerController!.videoPlayerController!.pause();
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}
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}
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},
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);
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appbarStream = StreamController<double>();
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_extendNestCtr.addListener(
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() {
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double offset = _extendNestCtr.position.pixels;
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appbarStream.add(offset);
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},
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);
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statusBarHeight = localCache.get('statusBarHeight');
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}
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void continuePlay() async {
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await _extendNestCtr.animateTo(0,
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duration: const Duration(milliseconds: 500), curve: Curves.easeInOut);
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plPlayerController!.play();
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}
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@override
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void dispose() {
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plPlayerController!.dispose();
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if (videoDetailController.timer != null) {
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videoDetailController.timer!.cancel();
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}
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super.dispose();
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}
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@override
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// 离开当前页面时
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void didPushNext() async {
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if (videoDetailController.timer!.isActive) {
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videoDetailController.timer!.cancel();
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}
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super.didPushNext();
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}
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@override
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// 返回当前页面时
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void didPopNext() async {
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if (_extendNestCtr.position.pixels == 0) {
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await Future.delayed(const Duration(milliseconds: 300));
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plPlayerController!.play();
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}
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if (!videoDetailController.timer!.isActive) {
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videoDetailController.loopHeartBeat();
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}
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super.didPopNext();
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}
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@override
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void didChangeDependencies() {
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super.didChangeDependencies();
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VideoDetailPage.routeObserver
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.subscribe(this, ModalRoute.of(context) as PageRoute);
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}
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@override
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Widget build(BuildContext context) {
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final videoHeight = MediaQuery.of(context).size.width * 9 / 16;
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final double pinnedHeaderHeight =
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statusBarHeight + kToolbarHeight + videoHeight;
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return SafeArea(
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top: false,
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bottom: false,
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child: Stack(
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children: [
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Scaffold(
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resizeToAvoidBottomInset: false,
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key: videoDetailController.scaffoldKey,
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// fix 1px black line
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// backgroundColor: Colors.transparent,
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backgroundColor: Theme.of(context).colorScheme.background,
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body: ExtendedNestedScrollView(
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controller: _extendNestCtr,
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headerSliverBuilder:
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(BuildContext context, bool innerBoxIsScrolled) {
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return <Widget>[
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SliverAppBar(
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automaticallyImplyLeading: false,
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pinned: false,
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elevation: 0,
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scrolledUnderElevation: 0,
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forceElevated: innerBoxIsScrolled,
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expandedHeight: videoHeight,
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// backgroundColor: Colors.transparent,
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backgroundColor: Theme.of(context).colorScheme.background,
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flexibleSpace: FlexibleSpaceBar(
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background: Padding(
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padding: EdgeInsets.only(top: statusBarHeight),
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child: LayoutBuilder(
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builder: (context, boxConstraints) {
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double maxWidth = boxConstraints.maxWidth;
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double maxHeight = boxConstraints.maxHeight;
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return Hero(
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tag: videoDetailController.heroTag,
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child: Stack(
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children: [
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if (plPlayerController!
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.videoPlayerController !=
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null)
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PLVideoPlayer(
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controller: plPlayerController!,
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headerControl: HeaderControl(
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controller: plPlayerController,
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videoDetailCtr: videoDetailController,
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),
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),
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Visibility(
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visible: isShowCover,
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child: Positioned(
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top: 0,
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left: 0,
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right: 0,
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child: NetworkImgLayer(
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type: 'emote',
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src: videoDetailController
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.videoItem['pic'],
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width: maxWidth,
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height: maxHeight,
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),
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),
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),
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/// 关闭自动播放时 手动播放
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Visibility(
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visible: isShowCover &&
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videoDetailController
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.isEffective.value &&
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!videoDetailController.autoPlay.value,
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child: Positioned(
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right: 12,
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bottom: 6,
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child: TextButton.icon(
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style: ButtonStyle(
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backgroundColor:
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MaterialStateProperty.resolveWith(
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(states) {
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return Theme.of(context)
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.colorScheme
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.primaryContainer;
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}),
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),
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onPressed: () =>
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videoDetailController.handlePlay(),
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icon: const Icon(
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Icons.play_circle_outline,
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size: 20,
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),
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label: const Text('Play'),
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),
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),
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),
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],
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),
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);
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},
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),
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),
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),
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),
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];
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},
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pinnedHeaderSliverHeightBuilder: () {
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return playerStatus != PlayerStatus.playing
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? statusBarHeight + kToolbarHeight
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: pinnedHeaderHeight;
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},
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onlyOneScrollInBody: true,
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body: Container(
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color: Theme.of(context).colorScheme.background,
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child: Column(
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children: [
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Opacity(
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opacity: 0,
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child: Container(
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width: double.infinity,
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height: 0,
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decoration: BoxDecoration(
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border: Border(
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bottom: BorderSide(
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color: Theme.of(context)
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.dividerColor
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.withOpacity(0.1),
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),
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),
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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mainAxisSize: MainAxisSize.max,
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children: [
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Container(
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width: 280,
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margin: const EdgeInsets.only(left: 20),
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child: Obx(
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() => TabBar(
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controller: videoDetailController.tabCtr,
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dividerColor: Colors.transparent,
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indicatorColor:
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Theme.of(context).colorScheme.background,
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tabs: videoDetailController.tabs
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.map((String name) => Tab(text: name))
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.toList(),
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),
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),
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),
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],
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),
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),
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),
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Expanded(
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child: TabBarView(
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controller: videoDetailController.tabCtr,
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children: [
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Builder(
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builder: (context) {
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return CustomScrollView(
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key: const PageStorageKey<String>('简介'),
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slivers: <Widget>[
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const VideoIntroPanel(),
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SliverPersistentHeader(
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floating: true,
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pinned: true,
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delegate: SliverHeaderDelegate(
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height: 50,
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child:
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const MenuRow(loadingStatus: false),
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),
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),
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const RelatedVideoPanel(),
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],
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);
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},
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),
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VideoReplyPanel(
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bvid: videoDetailController.bvid,
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)
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],
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),
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),
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],
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),
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),
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),
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),
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// 播放完成/暂停播放
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StreamBuilder(
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stream: appbarStream.stream,
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initialData: 0,
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builder: ((context, snapshot) {
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return ScrollAppBar(
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snapshot.data!.toDouble(),
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() {},
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playerStatus != PlayerStatus.playing,
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null,
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);
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}),
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)
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],
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),
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);
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}
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}
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