Files
pilipala/lib/pages/video/detail/view.dart
2023-06-22 16:15:20 +08:00

358 lines
14 KiB
Dart

import 'dart:async';
import 'package:extended_image/extended_image.dart';
import 'package:extended_nested_scroll_view/extended_nested_scroll_view.dart';
import 'package:flutter_meedu_media_kit/meedu_player.dart';
import 'package:get/get.dart';
import 'package:flutter/material.dart';
import 'package:pilipala/common/widgets/network_img_layer.dart';
import 'package:pilipala/pages/video/detail/reply/index.dart';
import 'package:pilipala/pages/video/detail/controller.dart';
import 'package:pilipala/pages/video/detail/introduction/index.dart';
import 'package:pilipala/pages/video/detail/related/index.dart';
import 'package:pilipala/pages/video/detail/replyReply/index.dart';
import 'package:wakelock/wakelock.dart';
class VideoDetailPage extends StatefulWidget {
const VideoDetailPage({Key? key}) : super(key: key);
@override
State<VideoDetailPage> createState() => _VideoDetailPageState();
static final RouteObserver<PageRoute> routeObserver =
RouteObserver<PageRoute>();
}
class _VideoDetailPageState extends State<VideoDetailPage>
with TickerProviderStateMixin, RouteAware {
final VideoDetailController videoDetailController =
Get.put(VideoDetailController(), tag: Get.arguments['heroTag']);
MeeduPlayerController? _meeduPlayerController;
final ScrollController _extendNestCtr = ScrollController();
late AnimationController animationController;
// final _meeduPlayerController = MeeduPlayerController(
// pipEnabled: true,
// controlsStyle: ControlsStyle.secondary,
// enabledButtons: const EnabledButtons(pip: true),
// );
StreamSubscription? _playerEventSubs;
bool isPlay = false;
bool isShowCover = true;
double doubleOffset = 0;
@override
void initState() {
super.initState();
_meeduPlayerController = videoDetailController.meeduPlayerController;
_playerEventSubs = _meeduPlayerController!.onPlayerStatusChanged.listen(
(PlayerStatus status) {
// videoDetailController.markHeartBeat();
if (status == PlayerStatus.playing) {
Wakelock.enable();
isPlay = false;
isShowCover = false;
setState(() {});
// videoDetailController.loopHeartBeat();
} else {
// videoDetailController.timer!.cancel();
isPlay = true;
setState(() {});
Wakelock.disable();
}
},
);
animationController = AnimationController(
vsync: this, duration: const Duration(milliseconds: 600));
_extendNestCtr.addListener(
() {
print(_extendNestCtr.position.pixels);
double offset = _extendNestCtr.position.pixels;
if (offset > doubleOffset) {
animationController.forward();
} else {
animationController.reverse();
}
doubleOffset = offset;
setState(() {});
},
);
}
Future<void> _meeduDispose() async {
if (_meeduPlayerController != null) {
_playerEventSubs?.cancel();
await _meeduPlayerController!.dispose();
_meeduPlayerController = null;
// The next line disables the wakelock again.
await Wakelock.disable();
}
}
@override
void dispose() {
videoDetailController.meeduPlayerController.dispose();
videoDetailController.timer!.cancel();
super.dispose();
}
@override
// 离开当前页面时
void didPushNext() async {
if (!_meeduPlayerController!.pipEnabled) {
_meeduPlayerController!.pause();
}
if (videoDetailController.timer!.isActive) {
videoDetailController.timer!.cancel();
}
super.didPushNext();
}
@override
// 返回当前页面时
void didPopNext() async {
if (_extendNestCtr.position.pixels == 0) {
await Future.delayed(const Duration(milliseconds: 300));
_meeduPlayerController!.play();
}
if (!videoDetailController.timer!.isActive) {
videoDetailController.loopHeartBeat();
}
super.didPopNext();
}
@override
void didChangeDependencies() {
super.didChangeDependencies();
VideoDetailPage.routeObserver
.subscribe(this, ModalRoute.of(context) as PageRoute);
}
@override
Widget build(BuildContext context) {
final double statusBarHeight = MediaQuery.of(context).padding.top;
final videoHeight = MediaQuery.of(context).size.width * 9 / 16;
final double pinnedHeaderHeight =
statusBarHeight + kToolbarHeight + videoHeight;
return DefaultTabController(
initialIndex: videoDetailController.tabInitialIndex,
length: videoDetailController.tabs.length, // tab的数量.
child: SafeArea(
top: false,
bottom: false,
child: Stack(
children: [
Scaffold(
resizeToAvoidBottomInset: false,
key: videoDetailController.scaffoldKey,
body: ExtendedNestedScrollView(
controller: _extendNestCtr,
headerSliverBuilder:
(BuildContext context, bool innerBoxIsScrolled) {
return <Widget>[
SliverAppBar(
automaticallyImplyLeading: false,
pinned: false,
elevation: 0,
scrolledUnderElevation: 0,
forceElevated: innerBoxIsScrolled,
expandedHeight: videoHeight,
// collapsedHeight: videoHeight,
backgroundColor: Theme.of(context).colorScheme.background,
flexibleSpace: FlexibleSpaceBar(
background: Padding(
padding: EdgeInsets.only(
top: MediaQuery.of(context).padding.top),
child: LayoutBuilder(
builder: (context, boxConstraints) {
double maxWidth = boxConstraints.maxWidth;
double maxHeight = boxConstraints.maxHeight;
// double PR =
// MediaQuery.of(context).devicePixelRatio;
return Hero(
tag: videoDetailController.heroTag,
child: Stack(
children: [
AspectRatio(
aspectRatio: 16 / 9,
child: MeeduVideoPlayer(
controller: _meeduPlayerController!,
header: (BuildContext context,
MeeduPlayerController
_meeduPlayerController,
Responsive) {
return AppBar(
toolbarHeight: 40,
backgroundColor: Colors.transparent,
primary: false,
elevation: 0,
scrolledUnderElevation: 0,
foregroundColor: Colors.white,
leading: IconButton(
onPressed: () {
Get.back();
},
icon: const Icon(
Icons.arrow_back_ios,
size: 19,
),
),
title: Text(
'视频详情',
style: TextStyle(
color: Colors.white,
fontSize: Theme.of(context)
.textTheme
.titleSmall!
.fontSize),
),
);
},
),
),
Visibility(
visible: isShowCover,
child: Positioned(
top: 0,
left: 0,
right: 0,
child: NetworkImgLayer(
type: 'emote',
src: videoDetailController
.videoItem['pic'],
width: maxWidth,
height: maxHeight,
),
),
),
],
),
);
},
),
),
),
),
];
},
pinnedHeaderSliverHeightBuilder: () {
return isPlay
? MediaQuery.of(context).padding.top + 50
: pinnedHeaderHeight;
},
onlyOneScrollInBody: true,
body: Column(
children: [
Container(
height: 45,
decoration: BoxDecoration(
border: Border(
bottom: BorderSide(
color:
Theme.of(context).dividerColor.withOpacity(0.1),
),
),
),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
mainAxisSize: MainAxisSize.max,
children: [
Container(
width: 280,
margin: const EdgeInsets.only(left: 20),
child: Obx(
() => TabBar(
dividerColor: Colors.transparent,
tabs: videoDetailController.tabs
.map((String name) => Tab(text: name))
.toList(),
),
),
),
// 弹幕开关
// const Spacer(),
// Flexible(
// flex: 2,
// child: Container(
// height: 50,
// ),
// ),
],
),
),
Expanded(
child: TabBarView(
children: [
Builder(
builder: (context) {
return const CustomScrollView(
key: PageStorageKey<String>('简介'),
slivers: <Widget>[
VideoIntroPanel(),
RelatedVideoPanel(),
],
);
},
),
VideoReplyPanel()
],
),
),
],
),
),
),
// 播放完成/暂停播放
Positioned(
top: -MediaQuery.of(context).padding.top +
(doubleOffset / videoHeight) * 50,
left: 0,
right: 0,
child: Opacity(
opacity: doubleOffset / videoHeight,
child: Container(
height: 50 + MediaQuery.of(context).padding.top,
color: Theme.of(context).colorScheme.background,
padding:
EdgeInsets.only(top: MediaQuery.of(context).padding.top),
child: AppBar(
primary: false,
elevation: 0,
scrolledUnderElevation: 0,
centerTitle: true,
title: TextButton(
onPressed: () {
_extendNestCtr.animateTo(0,
duration: const Duration(milliseconds: 500),
curve: Curves.easeInOut);
},
child: Row(
mainAxisSize: MainAxisSize.min,
children: const [
Icon(Icons.play_arrow_rounded),
Text('继续播放')
],
),
),
actions: [
IconButton(
onPressed: () {},
icon: const Icon(
Icons.share,
size: 20,
)),
const SizedBox(width: 12)
],
),
),
),
),
],
),
),
);
}
}