358 lines
14 KiB
Dart
358 lines
14 KiB
Dart
import 'dart:async';
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import 'package:extended_image/extended_image.dart';
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import 'package:extended_nested_scroll_view/extended_nested_scroll_view.dart';
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import 'package:flutter_meedu_media_kit/meedu_player.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:pilipala/common/widgets/network_img_layer.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/pages/video/detail/replyReply/index.dart';
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import 'package:wakelock/wakelock.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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MeeduPlayerController? _meeduPlayerController;
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final ScrollController _extendNestCtr = ScrollController();
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late AnimationController animationController;
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// final _meeduPlayerController = MeeduPlayerController(
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// pipEnabled: true,
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// controlsStyle: ControlsStyle.secondary,
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// enabledButtons: const EnabledButtons(pip: true),
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// );
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StreamSubscription? _playerEventSubs;
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bool isPlay = false;
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bool isShowCover = true;
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double doubleOffset = 0;
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@override
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void initState() {
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super.initState();
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_meeduPlayerController = videoDetailController.meeduPlayerController;
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_playerEventSubs = _meeduPlayerController!.onPlayerStatusChanged.listen(
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(PlayerStatus status) {
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// videoDetailController.markHeartBeat();
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if (status == PlayerStatus.playing) {
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Wakelock.enable();
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isPlay = false;
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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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isPlay = true;
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setState(() {});
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Wakelock.disable();
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}
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},
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);
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animationController = AnimationController(
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vsync: this, duration: const Duration(milliseconds: 600));
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_extendNestCtr.addListener(
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() {
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print(_extendNestCtr.position.pixels);
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double offset = _extendNestCtr.position.pixels;
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if (offset > doubleOffset) {
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animationController.forward();
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} else {
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animationController.reverse();
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}
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doubleOffset = offset;
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setState(() {});
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},
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);
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}
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Future<void> _meeduDispose() async {
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if (_meeduPlayerController != null) {
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_playerEventSubs?.cancel();
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await _meeduPlayerController!.dispose();
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_meeduPlayerController = null;
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// The next line disables the wakelock again.
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await Wakelock.disable();
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}
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}
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@override
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void dispose() {
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videoDetailController.meeduPlayerController.dispose();
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videoDetailController.timer!.cancel();
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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 (!_meeduPlayerController!.pipEnabled) {
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_meeduPlayerController!.pause();
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}
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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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_meeduPlayerController!.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 double statusBarHeight = MediaQuery.of(context).padding.top;
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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 DefaultTabController(
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initialIndex: videoDetailController.tabInitialIndex,
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length: videoDetailController.tabs.length, // tab的数量.
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child: 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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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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// collapsedHeight: videoHeight,
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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(
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top: MediaQuery.of(context).padding.top),
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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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// double PR =
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// MediaQuery.of(context).devicePixelRatio;
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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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AspectRatio(
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aspectRatio: 16 / 9,
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child: MeeduVideoPlayer(
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controller: _meeduPlayerController!,
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header: (BuildContext context,
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MeeduPlayerController
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_meeduPlayerController,
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Responsive) {
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return AppBar(
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toolbarHeight: 40,
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backgroundColor: Colors.transparent,
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primary: false,
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elevation: 0,
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scrolledUnderElevation: 0,
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foregroundColor: Colors.white,
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leading: IconButton(
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onPressed: () {
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Get.back();
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},
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icon: const Icon(
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Icons.arrow_back_ios,
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size: 19,
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),
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),
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title: Text(
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'视频详情',
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style: TextStyle(
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color: Colors.white,
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fontSize: Theme.of(context)
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.textTheme
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.titleSmall!
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.fontSize),
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),
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);
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},
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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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],
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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 isPlay
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? MediaQuery.of(context).padding.top + 50
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: pinnedHeaderHeight;
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},
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onlyOneScrollInBody: true,
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body: Column(
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children: [
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Container(
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height: 45,
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decoration: BoxDecoration(
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border: Border(
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bottom: BorderSide(
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color:
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Theme.of(context).dividerColor.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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dividerColor: Colors.transparent,
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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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// 弹幕开关
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// const Spacer(),
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// Flexible(
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// flex: 2,
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// child: Container(
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// height: 50,
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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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children: [
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Builder(
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builder: (context) {
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return const CustomScrollView(
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key: PageStorageKey<String>('简介'),
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slivers: <Widget>[
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VideoIntroPanel(),
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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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],
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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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Positioned(
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top: -MediaQuery.of(context).padding.top +
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(doubleOffset / videoHeight) * 50,
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left: 0,
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right: 0,
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child: Opacity(
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opacity: doubleOffset / videoHeight,
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child: Container(
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height: 50 + MediaQuery.of(context).padding.top,
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color: Theme.of(context).colorScheme.background,
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padding:
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EdgeInsets.only(top: MediaQuery.of(context).padding.top),
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child: AppBar(
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primary: false,
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elevation: 0,
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scrolledUnderElevation: 0,
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centerTitle: true,
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title: TextButton(
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onPressed: () {
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_extendNestCtr.animateTo(0,
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duration: const Duration(milliseconds: 500),
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curve: Curves.easeInOut);
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},
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: const [
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Icon(Icons.play_arrow_rounded),
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Text('继续播放')
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],
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),
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),
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actions: [
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IconButton(
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onPressed: () {},
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icon: const Icon(
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Icons.share,
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size: 20,
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)),
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const SizedBox(width: 12)
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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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