150 lines
4.5 KiB
Dart
150 lines
4.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:pilipala/common/constants.dart';
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import 'package:pilipala/common/skeleton/video_card_v.dart';
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import 'package:pilipala/common/widgets/animated_dialog.dart';
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import 'package:pilipala/common/widgets/http_error.dart';
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import 'package:pilipala/common/widgets/overlay_pop.dart';
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import 'controller.dart';
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import 'widgets/live_item.dart';
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class LivePage extends StatefulWidget {
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const LivePage({super.key});
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@override
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State<LivePage> createState() => _LivePageState();
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}
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class _LivePageState extends State<LivePage> {
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final LiveController _liveController = Get.put(LiveController());
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@override
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bool get wantKeepAlive => true;
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@override
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void initState() {
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super.initState();
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_liveController.scrollController.addListener(
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() {
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if (_liveController.scrollController.position.pixels >=
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_liveController.scrollController.position.maxScrollExtent - 200) {
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if (!_liveController.isLoadingMore) {
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_liveController.isLoadingMore = true;
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_liveController.onLoad();
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}
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}
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},
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);
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}
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@override
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Widget build(BuildContext context) {
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return RefreshIndicator(
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onRefresh: () async {
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return await _liveController.onRefresh();
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},
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child: CustomScrollView(
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controller: _liveController.scrollController,
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slivers: [
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SliverPadding(
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// 单列布局 EdgeInsets.zero
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padding: const EdgeInsets.fromLTRB(
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StyleString.safeSpace, 0, StyleString.safeSpace, 0),
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sliver: FutureBuilder(
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future: _liveController.queryLiveList('init'),
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builder: (context, snapshot) {
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if (snapshot.connectionState == ConnectionState.done) {
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Map data = snapshot.data as Map;
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if (data['status']) {
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return Obx(() =>
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contentGrid(_liveController, _liveController.liveList));
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} else {
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return HttpError(
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errMsg: data['msg'],
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fn: () => {},
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);
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}
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} else {
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// 缓存数据
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if (_liveController.liveList.length > 1) {
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return contentGrid(
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_liveController, _liveController.liveList);
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}
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// 骨架屏
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else {
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return contentGrid(_liveController, []);
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}
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}
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},
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),
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),
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const LoadingMore()
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],
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),
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);
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}
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OverlayEntry _createPopupDialog(liveItem) {
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return OverlayEntry(
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builder: (context) => AnimatedDialog(
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child: OverlayPop(videoItem: liveItem),
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),
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);
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}
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Widget contentGrid(ctr, liveList) {
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return SliverGrid(
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gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
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// 行间距
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mainAxisSpacing: StyleString.cardSpace + 2,
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// 列间距
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crossAxisSpacing: StyleString.cardSpace + 2,
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// 列数
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crossAxisCount: ctr.crossAxisCount,
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mainAxisExtent:
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Get.size.width / ctr.crossAxisCount / StyleString.aspectRatio + 60,
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),
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delegate: SliverChildBuilderDelegate(
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(BuildContext context, int index) {
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return liveList!.isNotEmpty
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? LiveCardV(
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liveItem: liveList[index],
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longPress: () {
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_liveController.popupDialog =
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_createPopupDialog(liveList[index]);
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Overlay.of(context).insert(_liveController.popupDialog!);
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},
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longPressEnd: () {
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_liveController.popupDialog?.remove();
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},
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)
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: const VideoCardVSkeleton();
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},
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childCount: liveList!.isNotEmpty ? liveList!.length : 10,
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),
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);
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}
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}
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class LoadingMore extends StatelessWidget {
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const LoadingMore({super.key});
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@override
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Widget build(BuildContext context) {
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return SliverToBoxAdapter(
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child: Container(
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height: MediaQuery.of(context).padding.bottom + 80,
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padding: EdgeInsets.only(bottom: MediaQuery.of(context).padding.bottom),
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child: Center(
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child: Text(
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'加载中...',
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style: TextStyle(
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color: Theme.of(context).colorScheme.outline, fontSize: 13),
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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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