let timeout = null;
Component({
  /**
   * 组件的属性列表
   */
  properties: {
    tab: Number,
    floor: String,
    progress: Number,
    end: Boolean,    warningCount: Number,
  },

  /**
   * 组件的初始数据
   */
  data: {
    tabs: ["平面地图", "导航", "目的地"],
    progressText: "0%",
    progressNum: 0,   showWarning: false,
  },

  observers: {    warningCount(val) {
    if (!val) return;
    if (this.data.showWarning && timeout) clearTimeout(timeout);
    this.setData({ showWarning: true });
    timeout = setTimeout(() => {
      this.setData({ showWarning: false });
      timeout = null;
    }, 3000);
  },
    progress(val) {
      let progressNum = this.data.end ? 1 : val;
      if (isNaN(progressNum)) return;
      if (progressNum < 0) progressNum = 0;
      if (progressNum > 1) progressNum = 1;
      this.setData({
        progressText: parseInt(progressNum * 100) + "%",
        progressNum,
      });
    },
  },
  /**
   * 组件的方法列表
   */
  methods: {
    handleTap({ currentTarget: { id } }) {
      this.triggerEvent("change", Number(id));
    },
    handleRelocate() {
      this.triggerEvent("relocate");
    },
    handleToMap() {
      this.triggerEvent("tomap");
    },
  },
});