初始化

2026-09-15 15:44:13 +07:00
commit a23ba685e9
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+import 'package:hgdj/hj_model/list_base_model.dart';
+import 'dart:async';
+
+import 'package:get/get.dart';
+import 'package:hgdj/hj_model/video_model.dart';
+import 'package:hgdj/hj_page/live/live_service.dart';
+import 'package:hgdj/hj_utils/date_time_util.dart';
+import 'package:hgdj/tools_base/event_bus/event_bus_util.dart';
+import 'package:hgdj/tools_base/event_bus/events.dart';
+import 'package:hgdj/tools_base/toast.dart';
+import 'package:hgdj/tools_base/global_store/store.dart';
+import 'package:pull_to_refresh/pull_to_refresh.dart';
+import 'package:video_player/video_player.dart';
+import 'package:hgdj/hj_utils/video_view_type.dart';
+
+import '../../alert/video/share_media_dialog.dart';
+import '../mine/mine_vip/mine_charge_vip_page.dart';
+import 'live_model.dart';
+
+//直播详情
+class LiveDetailLogic extends GetxController {
+  LiveAnchor? anchor; //直播
+  int currentPage = 1;
+  bool loading = true; //是否在加载推荐列表
+  bool loadingUserInfo = true; //加载用户会员信息等
+  List<LiveAnchor> recommendList = []; //
+
+  RefreshController? controller; //由 pullYsRefresh 的 onInit 注入，组件负责释放
+  VideoPlayerController? playerController;
+
+  bool initedVideoController = false; //视频控制器是否加载
+  RxBool isLoading = true.obs; //是否在切换视频
+
+  //视频真实比例, 竖屏的比例，采用最大高度400，横屏的比例，保持原有比例
+  //是否是竖向视频
+  double? aspectRatio = 16 / 9; //0.75
+  bool get isVerticalVideo => (aspectRatio ?? 1) > 1;
+
+  bool isDispose = false;
+
+  //判断播放权限
+  bool get canWatchLive =>
+      DateTimeUtil.isExpireDate(globalStore.meInfo?.broadcastExpire);
+
+  LiveDetailLogic({this.anchor});
+
+  StreamSubscription? _pauseVideoSub;
+
+  @override
+  void onInit() {
+    super.onInit();
+    // 耳机/蓝牙断开、来电中断时暂停，防止外放泄露
+    _pauseVideoSub =
+        eventBus.on<PauseVideoEvent>((_) => playerController?.pause());
+  }
+
+  @override
+  void onReady() async {
+    super.onReady();
+    Future.wait([globalStore.updateUserInfo(), loadData(initVideo: false)])
+        .then(
+      (value) {
+        update(); //接口调用成功刷新一次直播状态
+        loadingUserInfo = false;
+        initPlayer();
+      },
+    );
+    loadrecommendAnchors();
+  }
+
+  @override
+  void onClose() async {
+    isDispose = true;
+    _pauseVideoSub?.cancel();
+    playerDispose();
+    super.onClose();
+  }
+
+  playerDispose() {
+    if (playerController != null) {
+      initedVideoController = false;
+      playerController?.removeListener(_listenerCallback);
+      playerController?.pause();
+      playerController?.dispose();
+      playerController = null;
+    }
+  }
+
+  initPlayer({bool isRetry = false}) async {
+    if (anchor?.url != null && anchor?.url?.isNotEmpty == true) {
+      playerController = PlayerFactory.network(anchor?.url);
+
+      try {
+        await playerController?.initialize();
+        if (isRetry)
+          confirmPlatformView(); // 仅重试成功(同视频 textureView 挂、platformView 放出)才落本地
+        playerController?.addListener(_listenerCallback);
+        if (isDispose) {
+          playerController?.pause();
+          playerController?.dispose();
+          return;
+        }
+        initedVideoController = true;
+        aspectRatio = playerController?.value.aspectRatio ?? 16 / 9;
+        update();
+        if (canWatchLive) playerController?.play();
+      } catch (e) {
+        playerController?.dispose();
+        // 首次芯片解码/渲染报错：仅内存切 platformView 重试，成功后才落本地
+        if (isDecoderError(e) && switchToPlatformView()) {
+          initPlayer(isRetry: true);
+          return;
+        }
+        //播放器初始化失败，强制设置为离线
+        anchor?.isOnline = false;
+        update(['player']);
+      }
+    } else {
+      anchor?.isOnline = false;
+      update();
+    }
+  }
+
+  //添加监听
+  _listenerCallback() {
+    isLoading.value = playerController?.value.isBuffering == true;
+  }
+
+  //获取直播详情
+  Future loadData({bool initVideo = true}) async {
+    LiveAnchor? result =
+        await LiveService.getLiveAnchorDetail(id: anchor?.id ?? '');
+    controller?.refreshCompleted();
+    if (result != null) {
+      //不需要赋值图片url，因为图片随时在变，防止图片闪动
+      anchor?.isOnline = result.isOnline;
+      anchor?.url = result.url;
+      anchor?.viewCount = result.viewCount;
+      if (initVideo) initPlayer();
+    } else {
+      anchor?.isOnline = false;
+    }
+  }
+
+  //直播推荐列表
+  loadrecommendAnchors({int pageNum = 1}) async {
+    ListBaseModel<LiveAnchor>? liveMainModels =
+        await LiveService.getLiveAnchorRecom(
+      country: anchor?.country ?? '',
+      pageNumber: pageNum,
+      pageSize: 20,
+    );
+    loading = false;
+    if (liveMainModels != null) {
+      currentPage = pageNum;
+      if (currentPage == 1) recommendList.clear();
+      if (liveMainModels.list != null &&
+          liveMainModels.list?.isNotEmpty == true) {
+        recommendList.addAll(liveMainModels.list ?? []);
+      }
+    }
+    controller?.refreshCompleted();
+    update(['recommend']);
+    liveMainModels?.hasNext == true
+        ? controller?.loadComplete()
+        : controller?.loadNoData();
+  }
+
+  loadMoreData() => loadrecommendAnchors(pageNum: currentPage + 1);
+
+  //切换直播
+  onChangeLiveAction(LiveAnchor change) {
+    if (change.id == anchor?.id) {
+      showToast('当前在此直播间哦～');
+      return;
+    }
+    anchor = change;
+    if (playerController != null) {
+      final old = playerController;
+      old?.pause();
+      isLoading.value = true;
+      playerController?.removeListener(_listenerCallback);
+    }
+    initedVideoController = false;
+    if (anchor?.vidWidth != 0 && anchor?.vidHeight != 0) {
+      aspectRatio = (anchor?.vidWidth ?? 1) / (anchor?.vidHeight ?? 1);
+    } else {
+      aspectRatio = 16 / 9;
+    }
+    update();
+    loadData();
+  }
+
+  //跳转充值
+  onChargeAction() async {
+    Get.to(MineChargeVipPage(), preventDuplicates: false);
+    await globalStore.updateUserInfo();
+
+    //true表示支付成功
+    if (canWatchLive) update();
+  }
+
+  //分享
+  onShareAction() {
+    VideoModel videoModel = VideoModel()..cover = anchor?.coverImg;
+
+    Get.dialog(ShareMediaDialog(videoModel: videoModel, needDecrypt: false),
+        useSafeArea: false);
+  }
+}