Popover: Position is incorrect when content size has changed

[AshoneA]

• I have searched the issues of this repository and believe that this is not a duplicate.

Reproduction link

https://ant.design/components/popover-cn/

Steps to reproduce

https://codepen.io/AshoneA/pen/yZWyGK

What is expected?

It should still has correct postion when content size has changed

What is actually happening?

Is it possible to get correct position?

Environment	Info
antd	3.13.5
React	16
System	MacOS
Browser	Chrome

[ztplz]

#14582

[zombieJ]

Popup don't listen content size since perf consider. You can force realign if needed: https://codesandbox.io/s/9q16jwl194

[ztplz]

那个bug不修了吗 dom-align在四个方向匹配不成功后会重置points 但是接下来 它又会尝试把元素移动到可视区域 但是箭头是根据points来算的 我那个pr是根据两个元素的中心点来算的 只算四个方向

[zombieJ]

那个bug不修了吗 dom-align在四个方向匹配不成功后会重置points 但是接下来 它又会尝试把元素移动到可视区域 但是箭头是根据points来算的 我那个pr是根据两个元素的中心点来算的 只算四个方向

那个继续修的哈，我想要一个 example 来手工测一下。这个 issue 的问题和它不一样，因为它缺少检查时机。以前考虑过监听 size，感觉这些场景都是可以用户自己重定位的。