browser/actors/PageStyleParent.jsm


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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";

var EXPORTED_SYMBOLS = ["PageStyleParent"];

class PageStyleParent extends JSWindowActorParent {
  receiveMessage(msg) {
    // The top browser.
    let browser = this.browsingContext.top.embedderElement;
    if (!browser) {
      return;
    }

    let permanentKey = browser.permanentKey;
    let window = browser.ownerGlobal;
    let styleMenu = window.gPageStyleMenu;
    if (window.closed || !styleMenu) {
      return;
    }

    switch (msg.name) {
      case "PageStyle:Add":
        styleMenu.addBrowserStyleSheets(msg.data, permanentKey);
        break;
      case "PageStyle:Clear":
        styleMenu.clearBrowserStyleSheets(permanentKey);
        break;
    }
  }
}