如何根据协议更改firefox地址栏的背景颜色？

Question

我希望能够根据协议更改firefox中地址栏的背景颜色。我怎么能这样做？

e.g。当使用https时，bg-color：蓝色 混合内容警告：橙色 ev-certificate：绿色 证书无效：红色

Answer 1

This is how I did it long ago, in Firefox 7, looking at it now it has lots of problems, but it does the trick you need, should definitely improve on the code though:

ToolBar