{
  "schemaVersion": 1,
  "sourceKind": "authored-spec",
  "provenance": "authored-in-repo",
  "specFile": "spec/移动端规格.md",
  "specSection": "41 · 弹出气泡 Popover",
  "confidence": "high",
  "slug": "mobile-popover",
  "name": "弹出气泡 Popover",
  "semanticTypeCandidates": [
    "popover",
    "tooltip",
    "hint-bubble"
  ],
  "variantDimensions": [
    {
      "name": "placement",
      "values": [
        "top",
        "bottom",
        "left",
        "right"
      ]
    },
    {
      "name": "arrow",
      "values": [
        "false",
        "true"
      ]
    }
  ],
  "representativeVariants": [
    {
      "placement": "top",
      "arrow": "true",
      "label": "上方气泡（带箭头）"
    },
    {
      "placement": "bottom",
      "arrow": "true",
      "label": "下方气泡（最常用）"
    },
    {
      "placement": "left",
      "arrow": "true",
      "label": "左侧气泡"
    },
    {
      "placement": "right",
      "arrow": "false",
      "label": "右侧不带箭头"
    }
  ],
  "anatomy": {
    "popover": "根元素，position: relative 的包一层，气泡在其中绝对定位（因此永远贴着自己的触发器）",
    "trigger": "触发器（原生 button），热区 ≥44px，写 aria-expanded 与 aria-haspopup",
    "panel": "气泡面板，按 placement 贴着触发器的某一侧；role=\"dialog\" 并带 aria-label",
    "title / text": "标题与正文，可选",
    "箭头": "arrow=true 时由纯 CSS 三角（border 拼出，无图片、无 hex）指向触发器"
  },
  "structurePatterns": {
    "placement": "top / bottom / left / right（气泡相对触发器出现在哪一侧）",
    "arrow": "false 不带三角 / true 三角指向触发器",
    "状态类": "is-open 展开（触发器同步 aria-expanded=true）"
  },
  "usageHints": [
    "在某个元素的旁边弹出一小块说明或轻量操作（运费规则、字段解释、更多操作），说完就收",
    "触屏没有悬停：桌面端移开鼠标就收起，触屏必须显式给一条关闭路径（点击气泡之外）",
    "气泡是相对某个触发元素定位的，不是铺满视口的浮层 —— 这是它与轻提示 / 遮罩层的根本区别",
    "一次轻点触发器展开 / 收起，同一个按钮负责开与关",
    "边缘空间不足时的翻转（flip）由宿主决定：把 placement 换成对侧即可，组件不做自动测量"
  ],
  "doNotInvent": [
    "基于可用空间的自动翻转与自动方位选择（placement 由宿主决定）",
    "悬停触发（触屏没有悬停；桌面端若需要，由宿主包装）",
    "气泡内的表单校验与提交流程",
    "气泡之间的互斥开关（哪个开着由宿主管理）"
  ],
  "unknowns": [
    "是否需要在气泡贴近视口边缘时自动夹在边界内（当前只做静态定位）",
    "role=\"dialog\" 对纯文字说明类气泡是否过重（当前统一用 dialog + aria-label）",
    "点击外部关闭是否需要区分「点了另一个气泡」的情况"
  ],
  "interaction": [
    "一次轻点触发器展开 / 收起，同一个按钮负责开与关",
    "点击外部关闭：落点不在「气泡或触发器」之内时收起；气泡没有遮罩可依赖，靠文档级 pointerdown 判定",
    "uni-app 端没有 document，改用铺满视口的透明捕获层（层级低于面板）",
    "不响应长按、双击与拖动；气泡自身不消费纵向滚动",
    "气泡与触发器之间留 --kole-m-popover-gap（默认 8px）的间隙，避免气泡盖住触发器的按下反馈",
    "开合动效 120ms（--kole-duration-fast），减少动态偏好下瞬时切换"
  ],
  "accessibility": [
    "触发器是原生 button，带 aria-expanded（读屏能播报「已展开 / 已折叠」）与 aria-haspopup",
    "面板 role=\"dialog\" + aria-label：名称取 title，为空时退回触发器文字，保证读屏不会读到一个匿名对话框",
    "弹出时不移动焦点（气泡是补充说明而非中断式浮层）",
    "气泡不因展开而隐藏任何内容：关闭后触发器仍在原地可再次打开"
  ],
  "api": {
    "source": "implementation",
    "note": "props / events / slots 为 6 端实现的公共接口（说明文字取自规格对应小节）。字段名与各端源码逐名核对：node tools/verify-mobile-docs.mjs",
    "requiredNote": "「必传」按严格定义：实现里**没有默认值**时才为 Y（本门禁逐条核对 props 与各端源码的默认值，防止契约与实现脱节）。",
    "props": [
      {
        "name": "open",
        "type": "boolean",
        "default": "false",
        "desc": "状态 open：气泡展开可见（规格 §41.4）",
        "required": false
      },
      {
        "name": "placement",
        "type": "'top' | 'bottom' | 'left' | 'right'",
        "default": "'bottom'",
        "desc": "变体 placement：气泡相对触发器出现在哪一侧（规格 §41.3）",
        "required": false
      },
      {
        "name": "triggerText",
        "type": "string",
        "default": "''",
        "desc": "触发器文字，同时作为面板 aria-label 的兜底名称（规格 §41.2 trigger）",
        "required": false
      },
      {
        "name": "title",
        "type": "string",
        "default": "''",
        "desc": "标题，可选；同时作为面板的 aria-label（规格 §41.2 title）",
        "required": false
      },
      {
        "name": "text",
        "type": "string",
        "default": "''",
        "desc": "正文文字，可选（规格 §41.2 text）",
        "required": false
      },
      {
        "name": "arrow",
        "type": "boolean",
        "default": "true",
        "desc": "变体 arrow：是否渲染指向触发器的小三角（规格 §41.3）",
        "required": false
      },
      {
        "name": "closeOnOutside",
        "type": "boolean",
        "default": "true",
        "desc": "落点在气泡与触发器之外时是否关闭（规格 §41.5）",
        "required": false
      }
    ],
    "events": [
      {
        "name": "toggle",
        "params": "—",
        "desc": "点击触发器时触发；是否展开由宿主决定（受控）（规格 §41.5）"
      },
      {
        "name": "close",
        "params": "—",
        "desc": "落点在气泡与触发器之外、且 closeOnOutside=true 时触发（规格 §41.5）"
      }
    ],
    "slots": [
      {
        "name": "default",
        "desc": "气泡内容（放在 title / text 之后，用于自定义内容）"
      }
    ]
  },
  "variantClasses": {
    "placement": {
      "top": [
        ".kole-m-popover__panel--top"
      ],
      "bottom": [
        ".kole-m-popover__panel--bottom"
      ],
      "left": [
        ".kole-m-popover__panel--left"
      ],
      "right": [
        ".kole-m-popover__panel--right"
      ]
    },
    "arrow": {
      "false": [],
      "true": [
        ".kole-m-popover__panel--arrow"
      ]
    }
  },
  "demos": [
    {
      "id": "placements",
      "group": "01 组件类型",
      "title": "四个方向",
      "desc": "上方 / 下方 / 左侧 / 右侧：气泡各自相对自己的触发器定位，所以四个可以同页并列而互不影响。",
      "variant": "placement=top|bottom|left|right"
    },
    {
      "id": "arrow",
      "group": "01 组件类型",
      "title": "无箭头",
      "desc": "arrow=false：省掉三角，仅靠位置表达归属，适合小屏上空间紧张的场景。",
      "variant": "arrow=false"
    },
    {
      "id": "title",
      "group": "02 组件状态",
      "title": "带标题",
      "desc": "title 给出这条气泡在说什么，正文再补一句；标题同时作为面板的 aria-label 供读屏播报。",
      "variant": "title 非空"
    },
    {
      "id": "outside",
      "group": "02 组件状态",
      "title": "点击外部关闭",
      "desc": "气泡没有遮罩可依赖，落点在气泡与触发器之外时收起；触屏上这是唯一的隐式关闭路径。",
      "variant": "closeOnOutside=true"
    }
  ],
  "related": [
    {
      "slug": "mobile-popup",
      "why": "需要铺满视口、带方向位移与标题栏的浮层时用弹出层；气泡只贴着触发器，不覆盖整屏"
    },
    {
      "slug": "mobile-toast",
      "why": "只是短暂告知结果、不需要贴着某个元素时用轻提示；气泡会一直停在触发器旁边等用户处理"
    },
    {
      "slug": "mobile-dialog",
      "why": "需要用户确认或输入的中断式浮层用对话框，气泡不该承载需要决策的内容"
    }
  ]
}