theme.getCurrent()

Gets the currently used theme as a Theme object. The arguments available in the color object are listed in the properties of the color.

This is an asynchronous function that returns a Promise.

var getting = browser.theme.getCurrent(
  windowId    // integer
)

windowId Optional

integer. The ID of a window. If this is provided, the theme applied on that window will be provided. If it is omitted the theme applied on the last focused window will be provided.

A Promise. The promise will be fulfilled with a theme.Theme object representing the theme applied to the given window. If no extension-supplied theme has been applied to the given window, it will be fulfilled with an empty object.

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Gets the properties frame and toolbar colors of the current theme

function getStyle(themeInfo)
{
  if (themeInfo.colors)
  {
    console.log("accent color : " +  themeInfo.colors.frame);
    console.log("toolbar : " + themeInfo.colors.toolbar);
  }
}

async function getCurrentThemeInfo()
{
  var themeInfo = await browser.theme.getCurrent();
  getStyle(themeInfo);
}

getCurrentThemeInfo();

• theme-integrated-sidebar