classroom-app/src/views/courseware-play/index.tsx

import { closeToast, Icon, Popup, showDialog, showToast } from 'vant';
import {
  defineComponent,
  onMounted,
  reactive,
  nextTick,
  onUnmounted,
  ref,
  watch,
  Transition
} from 'vue';
import iconBack from './image/back.svg';
import styles from './index.module.less';
import 'plyr/dist/plyr.css';
import { useRoute, useRouter } from 'vue-router';
import {
  listenerMessage,
  postMessage,
  promisefiyPostMessage
} from '@/helpers/native-message';
import MusicScore from './component/musicScore';
import iconMenu from './image/icon-menu.svg';
import iconDian from './image/icon-dian.svg';
import iconPoint from './image/icon-point.svg';
import iconUp from './image/icon-up.svg';
import iconDown from './image/icon-down.svg';
import Points from './component/points';
import { browser, getSecondRPM } from '@/helpers/utils';
import { Vue3Lottie } from 'vue3-lottie';
import playLoadData from './datas/data.json';
import { usePageVisibility, useRect } from '@vant/use';
import VideoPlay from './component/video-play';
import Tool, { ToolItem, ToolType } from './component/tool';

export default defineComponent({
  name: 'CoursewarePlay',
  setup() {
    const pageVisibility = usePageVisibility();
    const isPlay = ref(false);
    /** 页面显示和隐藏 */
    watch(pageVisibility, value => {
      const activeItem = data.itemList[popupData.activeIndex];
      if (activeItem.type != 'VIDEO') return;
      if (value == 'hidden') {
        isPlay.value = !activeItem.videoEle?.paused;
        togglePlay(activeItem, false);
      } else {
        // 页面显示,并且
        if (isPlay.value) togglePlay(activeItem, true);
      }
    });
    /** 设置播放容器 16:9 */
    const parentContainer = reactive({
      width: '100vw'
    });
    const setContainer = () => {
      let min = Math.min(screen.width, screen.height);
      let max = Math.max(screen.width, screen.height);
      let width = min * (16 / 9);
      if (width > max) {
        parentContainer.width = '100vw';
        return;
      } else {
        parentContainer.width = width + 'px';
      }
    };
    const handleInit = (type = 0) => {
      //设置容器16:9
      setContainer();
      // 横屏
      postMessage(
        {
          api: 'setRequestedOrientation',
          content: {
            orientation: type
          }
        },
        () => {
          console.log(234);
        }
      );
      // 头,包括返回箭头
      // postMessage({
      //   api: 'setTitleBarVisibility',
      //   content: {
      //     status: type
      //   }
      // })
      // 安卓的状态栏
      postMessage({
        api: 'setStatusBarVisibility',
        content: {
          isVisibility: type
        }
      });
      // 进入页面设置常量
      postMessage({
        api: 'keepScreenLongLight',
        content: {
          isOpenLight: type ? true : false
        }
      });
    };
    handleInit();
    onUnmounted(() => {
      handleInit(1);
      window.removeEventListener('message', iframeHandle);
    });

    const route = useRoute();
    const router = useRouter();
    const headeRef = ref();
    const data = reactive({
      detail: null,
      knowledgePointList: [] as any,
      itemList: [] as any,
      showHead: true,
      isCourse: false,
      isRecordPlay: false,
      videoRefs: {} as any[]
    });
    const activeData = reactive({
      isAutoPlay: true, // 是否自动播放
      nowTime: 0,
      model: true, // 遮罩
      isAnimation: true, // 是否动画
      videoBtns: true, // 视频
      currentTime: 0,
      duration: 0,
      timer: null as any,
      item: null as any
    });
    const getTempList = async (materialList: any, name: any) => {
      const list: any = [];
      const browserInfo = browser();
      for (let j = 0; j < materialList.length; j++) {
        const material = materialList[j];

        list.push({
          ...material,
          iframeRef: null,
          videoEle: null,
          tabName: name,
          autoPlay: false, //加载完成是否自动播放
          isprepare: false, // 视频是否加载完成
          isRender: false // 是否渲染了
        });
      }
      return list;
    };
    const getDetail = async () => {
      data.knowledgePointList = [
        {
          id: '1',
          name: '歌曲表演 大鹿',
          type: 'VIDEO',
          content: 'https://courseware.lexiaoya.cn/%E5%BF%85%E5%AD%A6%E5%BF%85%E7%9C%8B-%E8%90%A8%E5%85%8B%E6%96%AF-1-C4-4.mp4'
        },
        {
          id: '2',
          name: '知识 音的高低',
          type: 'IMG',
          content: 'https://gyt.ks3-cn-beijing.ksyuncs.com/courseware/1686815979899.png'
        },
        {
          id: '3',
          name: '欣赏 永远在童话里',
          type: 'IMG',
          content: 'https://gyt.ks3-cn-beijing.ksyuncs.com/courseware/1686815979899.png'
        },
        {
          id: '4',
          name: '唱歌 小红帽',
          type: 'SONG',
          content: '11707'
        }
      ];
      data.itemList = data.knowledgePointList.map((m: any) => {
        return {
          ...m,
          iframeRef: null,
          videoEle: null,
          autoPlay: false, //加载完成是否自动播放
          isprepare: false, // 视频是否加载完成
          isRender: false // 是否渲染了
        };
      });
    };

    // ifram事件处理
    const iframeHandle = (ev: MessageEvent) => {
      if (ev.data?.api === 'headerTogge') {
        activeData.model =
          ev.data.show || (ev.data.playState == 'play' ? false : true);
      }
    };

    onMounted(() => {
      postMessage({
        api: 'courseLoading',
        content: {
          show: false,
          type: 'fullscreen'
        }
      });
      getDetail();
      window.addEventListener('message', iframeHandle);
    });

    const playRef = ref();
    // 返回
    const goback = () => {
      try {
        playRef.value?.handleOut();
      } catch (error) {}
      postMessage({ api: 'goBack' });
    };

    const popupData = reactive({
      open: false,
      activeIndex: 0,
      tabActive: '',
      tabName: '',
      itemActive: '',
      itemName: '',
      guideOpen: false,
      toolOpen: false // 工具弹窗控制
    });

    /**停止所有的播放 */
    const handleStop = () => {
      for (let i = 0; i < data.itemList.length; i++) {
        const activeItem = data.itemList[i];
        if (activeItem.type === 'VIDEO' && activeItem.videoEle) {
          activeItem.videoEle.stop();
        }
        // console.log('🚀 ~ activeItem:', activeItem)
        // 停止曲谱的播放
        if (activeItem.type === 'SONG') {
          activeItem.iframeRef?.contentWindow?.postMessage(
            { api: 'setPlayState' },
            '*'
          );
        }
      }
    };
    // 切换素材
    const toggleMaterial = (itemActive: any) => {
      const index = data.itemList.findIndex((n: any) => n.id == itemActive);
      if (index > -1) {
        handleSwipeChange(index);
      }
    };
    /** 延迟收起模态框 */
    const setModelOpen = () => {
      clearTimeout(activeData.timer);
      closeToast();
      activeData.timer = setTimeout(() => {
        activeData.model = false;
        Object.values(data.videoRefs).map((n: any) =>
          n.toggleHideControl(false)
        );
      }, 4000);
    };
    /** 立即收起所有的模态框 */
    const clearModel = () => {
      clearTimeout(activeData.timer);
      closeToast();
      activeData.model = false;
      Object.values(data.videoRefs).map((n: any) => n.toggleHideControl(false));
    };
    const toggleModel = (type: boolean = true) => {
      activeData.model = type;
      Object.values(data.videoRefs).map((n: any) => n.toggleHideControl(type));
    };

    // 双击
    const handleDbClick = (item: any) => {
      if (item && item.type === 'VIDEO') {
        const videoEle: HTMLVideoElement = item.videoEle;
        if (videoEle) {
          if (videoEle.paused) {
            closeToast();
            videoEle.play();
          } else {
            showToast('已暂停');
            videoEle.pause();
          }
        }
      }
    };

    // 切换播放
    const togglePlay = (m: any, isPlay: boolean) => {
      if (isPlay) {
        m.videoEle?.play();
      } else {
        m.videoEle?.pause();
      }
    };

    const showIndex = ref(-4);
    const effectIndex = ref(3);
    const effects = [
      {
        prev: {
          transform: 'translate3d(0, 0, -800px) rotateX(180deg)'
        },
        next: {
          transform: 'translate3d(0, 0, -800px) rotateX(-180deg)'
        }
      },
      {
        prev: {
          transform: 'translate3d(-100%, 0, -800px)'
        },
        next: {
          transform: 'translate3d(100%, 0, -800px)'
        }
      },
      {
        prev: {
          transform: 'translate3d(-50%, 0, -800px) rotateY(80deg)'
        },
        next: {
          transform: 'translate3d(50%, 0, -800px) rotateY(-80deg)'
        }
      },
      {
        prev: {
          transform: 'translate3d(-100%, 0, -800px) rotateY(-120deg)'
        },
        next: {
          transform: 'translate3d(100%, 0, -800px) rotateY(120deg)'
        }
      },
      // 风车4
      {
        prev: {
          transform: 'translate3d(-50%, 50%, -800px) rotateZ(-14deg)',
          opacity: 0
        },
        next: {
          transform: 'translate3d(50%, 50%, -800px) rotateZ(14deg)',
          opacity: 0
        }
      },
      // 翻页5
      {
        prev: {
          transform: 'translateZ(-800px) rotate3d(0, -1, 0, 90deg)',
          opacity: 0
        },
        next: {
          transform: 'translateZ(-800px) rotate3d(0, 1, 0, 90deg)',
          opacity: 0
        },
        current: { transitionDelay: '700ms' }
      }
    ];

    const acitveTimer = ref();
    // 轮播切换
    const handleSwipeChange = (index: number) => {
      // 如果是当前正在播放 或者是视频最后一个
      if (popupData.activeIndex == index) return;
      handleStop();
      clearTimeout(acitveTimer.value);
      checkedAnimation(popupData.activeIndex, index);
      popupData.activeIndex = index;

      acitveTimer.value = setTimeout(
        () => {
          const item = data.itemList[index];
          if (item) {
            popupData.tabActive = item.knowledgePointId;
            popupData.itemActive = item.id;
            popupData.itemName = item.name;
            popupData.tabName = item.tabName;
            if (item.type == 'SONG') {
              activeData.model = true;
            }
            if (item.type === 'VIDEO') {
              // 自动播放下一个视频
              clearTimeout(activeData.timer);
              closeToast();
              item.autoPlay = true;
              nextTick(() => {
                item.videoEle?.play();
              });
            }
          }
        //   requestAnimationFrame(() => {
        //     const _effectIndex = effectIndex.value + 1;
        //     effectIndex.value =
        //       _effectIndex >= effects.length - 1 ? 0 : _effectIndex;
        //   });
        },
        activeData.isAnimation ? 800 : 0
      );
    };

    /** 是否有转场动画 */
    const checkedAnimation = (index: number, nextIndex?: number) => {
      const item = data.itemList[index];
      const nextItem = data.itemList[nextIndex!];
      if (nextItem) {
        if (nextItem.knowledgePointId != item.knowledgePointId) {
          activeData.isAnimation = true;
          return;
        }
        const videoEle = item.videoEle;
        const nextVideo = nextItem.videoEle;
        if (videoEle && videoEle.duration < 8 && index < nextIndex!) {
          activeData.isAnimation = false;
        } else if (nextVideo && nextVideo.duration < 8 && index > nextIndex!) {
          activeData.isAnimation = false;
        } else {
          activeData.isAnimation = true;
        }
      } else {
        activeData.isAnimation = item?.adviseStudyTimeSecond < 8 ? false : true;
      }
    };

    // 上一个知识点, 下一个知识点
    const handlePreAndNext = (type: string) => {
      if (type === 'up') {
        handleSwipeChange(popupData.activeIndex - 1);
      } else {
        handleSwipeChange(popupData.activeIndex + 1);
      }
    };

    /** 弹窗关闭 */
    const handleClosePopup = () => {
      const item = data.itemList[popupData.activeIndex];
      if (item?.type == 'VIDEO' && !item.videoEle?.paused) {
        setModelOpen();
      }
    };

    return () => (
      <div id="playContent" class={styles.playContent}>
        <div
          onClick={() => {
            clearTimeout(activeData.timer);
            activeData.model = !activeData.model;
            Object.values(data.videoRefs).map((n: any) =>
              n.toggleHideControl(activeData.model)
            );
          }}>
          <div
            class={styles.coursewarePlay}
            style={{ width: parentContainer.width }}
            onClick={(e: Event) => {
              e.stopPropagation();
              setModelOpen();
            }}>
            <div class={styles.wraps}>
              {data.itemList.map((m: any, mIndex: number) => {
                const isRender =
                  m.isRender || Math.abs(popupData.activeIndex - mIndex) < 2;
                const isEmtry = Math.abs(popupData.activeIndex - mIndex) > 4;
                if (isRender) {
                  m.isRender = true;
                }
                return isRender ? (
                  <div
                    key={'index' + mIndex}
                    class={[
                      styles.itemDiv,
                      popupData.activeIndex === mIndex && styles.itemActive,
                      activeData.isAnimation && styles.acitveAnimation,
                      Math.abs(popupData.activeIndex - mIndex) < 2
                        ? styles.show
                        : styles.hide
                    ]}
                    style={
                      mIndex < popupData.activeIndex
                        ? effects[effectIndex.value].prev
                        : mIndex > popupData.activeIndex
                        ? effects[effectIndex.value].next
                        : {}
                    }
                    onClick={(e: Event) => {
                      e.stopPropagation();
                      clearTimeout(activeData.timer);
                      if (Date.now() - activeData.nowTime < 300) {
                        handleDbClick(m);
                        return;
                      }
                      activeData.nowTime = Date.now();
                      activeData.timer = setTimeout(() => {
                        activeData.model = !activeData.model;
                        Object.values(data.videoRefs).map((n: any) =>
                          n.toggleHideControl(activeData.model)
                        );
                        if (activeData.model) {
                          setModelOpen();
                        }
                      }, 300);
                    }}>
                    {m.type === 'VIDEO' ? (
                      <>
                        <VideoPlay
                          ref={(v: any) => (data.videoRefs[mIndex] = v)}
                          item={m}
                          isEmtry={isEmtry}
                          onLoadedmetadata={(videoItem: any) => {
                            m.videoEle = videoItem;
                            m.isprepare = true;
                          }}
                          onTogglePlay={(paused: boolean) => {
                            m.autoPlay = false;
                            if (
                              paused ||
                              popupData.open ||
                              popupData.guideOpen
                            ) {
                              clearTimeout(activeData.timer);
                            } else {
                              setModelOpen();
                            }
                          }}
                          onEnded={() => {
                            const _index = popupData.activeIndex + 1;
                            if (_index < data.itemList.length) {
                              handleSwipeChange(_index);
                            }
                          }}
                          onReset={() => {
                            if (!m.videoEle?.paused) {
                              setModelOpen();
                            }
                          }}
                        />
                        <Transition name="van-fade">
                          {!m.isprepare && (
                            <div class={styles.loadWrap}>
                              <Vue3Lottie
                                animationData={playLoadData}></Vue3Lottie>
                            </div>
                          )}
                        </Transition>
                      </>
                    ) : m.type === 'IMG' ? (
                      <img src={m.content} />
                    ) : (
                      <MusicScore
                        activeModel={activeData.model}
                        data-vid={m.id}
                        music={m}
                        onSetIframe={(el: any) => {
                          m.iframeRef = el;
                        }}
                      />
                    )}
                  </div>
                ) : null;
              })}
            </div>
            <Transition name="right">
              {activeData.model && (
                <div
                  class={styles.rightFixedBtns}
                  onClick={(e: Event) => {
                    e.stopPropagation();
                    clearTimeout(activeData.timer);
                  }}>
                  <div
                    class={[styles.fullBtn, styles.point]}
                    onClick={() => (popupData.open = true)}>
                    <img src={iconMenu} />
                    <span>课件</span>
                  </div>

                  <div
                    class={[
                      styles.fullBtn,
                      popupData.activeIndex == 0 && styles.btnsDisabled
                    ]}
                    onClick={() => handlePreAndNext('up')}>
                    <img src={iconUp} />
                    <span style={{ textAlign: 'center' }}>上一个</span>
                  </div>

                  <div
                    class={[
                      styles.fullBtn,
                      popupData.activeIndex == data.itemList.length - 1 &&
                        styles.btnsDisabled
                    ]}
                    onClick={() => handlePreAndNext('down')}>
                    <span style={{ textAlign: 'center' }}>下一个</span>
                    <img src={iconDown} />
                  </div>
                </div>
              )}
            </Transition>
          </div>
        </div>

        <div
          style={{ transform: activeData.model ? '' : 'translateY(-100%)' }}
          class={styles.headerContainer}
          ref={headeRef}>
          <div class={styles.backBtn} onClick={() => goback()}>
            <Icon name={iconBack} />
            返回
          </div>
          <div class={styles.menu}>{popupData.itemName}</div>
        </div>

        <Popup
          class={styles.popup}
          style={{ background: 'rgba(0,0,0, 0.75)' }}
          overlayClass={styles.overlayClass}
          position="right"
          round
          v-model:show={popupData.open}
          onClose={handleClosePopup}>
          <Points
            data={data.knowledgePointList}
            tabActive={popupData.tabActive}
            itemActive={popupData.itemActive}
            onHandleSelect={(res: any) => {
              popupData.open = false;
              toggleMaterial(res.itemActive);
            }}
          />
        </Popup>
      </div>
    );
  }
});