tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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TaskbarTabsChrome.sys.mjs (2984B)

      1 /* This Source Code Form is subject to the terms of the Mozilla Public
      2 * License, v. 2.0. If a copy of the MPL was not distributed with this
      3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
      4 
      5 import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
      6 
      7 let lazy = {};
      8 
      9 XPCOMUtils.defineLazyServiceGetters(lazy, {
     10  Favicons: ["@mozilla.org/browser/favicon-service;1", Ci.nsIFaviconService],
     11 });
     12 
     13 // Set up Taskbar Tabs Window Chrome.
     14 export const TaskbarTabsChrome = {
     15  /**
     16   * Modifies the window chrome for Taskbar Tabs styling (mostly hiding elements).
     17   *
     18   * @param {Window} aWindow
     19   */
     20  init(aWindow) {
     21    let document = aWindow.document;
     22    if (!document.documentElement.hasAttribute("taskbartab")) {
     23      return;
     24    }
     25 
     26    // Ensure tab strip is hidden
     27    aWindow.TabBarVisibility.update();
     28 
     29    // Hide bookmark star
     30    document.getElementById("star-button-box").style.display = "none";
     31 
     32    // Hide fxa in the hamburger menu
     33    document.documentElement.setAttribute("fxadisabled", true);
     34 
     35    // Create the decorative corner icon
     36    initCornerIcon(aWindow);
     37 
     38    // Add a button to control muting/unmuting
     39    initAudioButton(aWindow);
     40  },
     41 };
     42 
     43 function initCornerIcon(aWindow) {
     44  const favicon = aWindow.document.getElementById("taskbar-tabs-favicon");
     45  const tab = aWindow.gBrowser.tabs[0];
     46 
     47  function updateCornerIcon() {
     48    const icon = aWindow.gBrowser.getIcon(tab);
     49    if (icon && icon === favicon.src) {
     50      return;
     51    }
     52 
     53    if (icon) {
     54      favicon.src = icon;
     55    } else {
     56      favicon.src = lazy.Favicons.defaultFavicon.spec;
     57    }
     58 
     59    if (tab.hasAttribute("triggeringprincipal")) {
     60      favicon.setAttribute(
     61        "triggeringprincipal",
     62        tab.getAttribute("iconloadingprincipal")
     63      );
     64    } else {
     65      favicon.removeAttribute("triggeringprincipal");
     66    }
     67  }
     68 
     69  tab.addEventListener("TabAttrModified", e => {
     70    if (
     71      !e.detail.changed.includes("image") &&
     72      !e.detail.changed.includes("busy")
     73    ) {
     74      return;
     75    }
     76 
     77    // This holds the icon until the next page completely finishes loading;
     78    // this is a bit long, but without a throbber is probably the best that
     79    // can be done.
     80    if (tab.hasAttribute("iconpending")) {
     81      return;
     82    }
     83 
     84    updateCornerIcon();
     85  });
     86  updateCornerIcon();
     87 }
     88 
     89 function initAudioButton(aWindow) {
     90  const audioButton = aWindow.document.getElementById("taskbar-tabs-audio");
     91  const tab = aWindow.gBrowser.tabs[0];
     92 
     93  tab.addEventListener("TabAttrModified", _ => {
     94    audioButton.toggleAttribute(
     95      "soundplaying",
     96      tab.hasAttribute("soundplaying")
     97    );
     98 
     99    const muted = tab.hasAttribute("muted");
    100    audioButton.toggleAttribute("muted", muted);
    101    audioButton.toggleAttribute("checked", muted);
    102    audioButton.setAttribute(
    103      "data-l10n-id",
    104      muted ? "taskbar-tab-audio-unmute" : "taskbar-tab-audio-mute"
    105    );
    106  });
    107 
    108  audioButton.addEventListener("command", _ => {
    109    tab.toggleMuteAudio();
    110  });
    111 }