tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_page_style.js (2031B)

      1 /* Any copyright is dedicated to the Public Domain.
      2 http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 
      6 // Test that the Page Style browser menu actions make it to the viewport, instead of
      7 // applying to the RDM UI.
      8 
      9 const TEST_URL = `${URL_ROOT}page_style.html`;
     10 
     11 addRDMTask(TEST_URL, async function ({ ui }) {
     12  // Store the RDM body text color for later.
     13  const rdmWindow = ui.toolWindow;
     14  const rdmTextColor = rdmWindow.getComputedStyle(
     15    rdmWindow.document.body
     16  ).color;
     17 
     18  info(
     19    "Trigger the no page style action and wait for the text color to change"
     20  );
     21  let onPageColorChanged = waitForContentPageTextColor(ui, "rgb(0, 0, 0)");
     22  let menuItem = document.querySelector("#menu_pageStyleNoStyle");
     23  menuItem.click();
     24  let color = await onPageColorChanged;
     25 
     26  is(
     27    color,
     28    "rgb(0, 0, 0)",
     29    "The text color is black, so the style was disabled"
     30  );
     31 
     32  info("Check that the RDM page style wasn't disabled");
     33  is(
     34    rdmWindow.getComputedStyle(rdmWindow.document.body).color,
     35    rdmTextColor,
     36    "The color of the text in the RDM window is correct, so that style still applies"
     37  );
     38 
     39  info(
     40    "Trigger the page style back and wait for the text color to change again"
     41  );
     42  onPageColorChanged = waitForContentPageTextColor(ui, "rgb(255, 0, 0)");
     43  menuItem = document.querySelector("#menu_pageStylePersistentOnly");
     44  menuItem.click();
     45  color = await onPageColorChanged;
     46 
     47  is(
     48    color,
     49    "rgb(255, 0, 0)",
     50    "The text color is red, so the style was enabled"
     51  );
     52 });
     53 
     54 function waitForContentPageTextColor(ui, expectedColor) {
     55  return SpecialPowers.spawn(
     56    ui.getViewportBrowser(),
     57    [{ expectedColor }],
     58    function (args) {
     59      return new Promise(resolve => {
     60        const interval = content.setInterval(() => {
     61          const color = content.getComputedStyle(content.document.body).color;
     62          if (color === args.expectedColor) {
     63            content.clearInterval(interval);
     64            resolve(color);
     65          }
     66        }, 200);
     67      });
     68    }
     69  );
     70 }