tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_set_focus_after_reuse_bcg.js (3342B)

      1 /* -*- Mode: JavaScript; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 const SITE_A_URL =
      8  getRootDirectory(gTestPath).replace(
      9    "chrome://mochitests/content",
     10    "https://example.com"
     11  ) + "file_set_focus_after_reuse_bcg_1.html";
     12 
     13 const SITE_B_URL =
     14  getRootDirectory(gTestPath).replace(
     15    "chrome://mochitests/content",
     16    "https://example.org"
     17  ) + "file_set_focus_after_reuse_bcg_2.html";
     18 
     19 async function test_set_focus_after_reuse_bcg() {
     20  const tab = await BrowserTestUtils.openNewForegroundTab(gBrowser, SITE_A_URL);
     21 
     22  async function clickButtonToNavigateSiteB() {
     23    // Navigate to site B
     24    const siteBLoaded = BrowserTestUtils.browserLoaded(
     25      tab.linkedBrowser,
     26      false,
     27      SITE_B_URL
     28    );
     29    await SpecialPowers.spawn(tab.linkedBrowser, [], async function () {
     30      content.document.notifyUserGestureActivation();
     31      var button = content.document.querySelector("button");
     32      button.click();
     33    });
     34    await siteBLoaded;
     35  }
     36 
     37  async function clickButtonToEmbedIframe() {
     38    // Make site B to embed the iframe that has the same origin as site A.
     39    const embeddedIframeLoaded = SpecialPowers.spawn(
     40      tab.linkedBrowser,
     41      [],
     42      async function () {
     43        await new Promise(r => {
     44          const iframe = content.document.querySelector("iframe");
     45          iframe.onload = r;
     46        });
     47      }
     48    );
     49 
     50    await SpecialPowers.spawn(tab.linkedBrowser, [], async function () {
     51      var button = content.document.querySelector("button");
     52      button.click();
     53    });
     54    await embeddedIframeLoaded;
     55  }
     56 
     57  await clickButtonToNavigateSiteB();
     58 
     59  await clickButtonToEmbedIframe();
     60 
     61  // Navigate back to site A.
     62  const pageNavigatedBackToSite1 = BrowserTestUtils.waitForContentEvent(
     63    tab.linkedBrowser,
     64    "pageshow"
     65  );
     66  tab.linkedBrowser.goBack();
     67  await pageNavigatedBackToSite1;
     68 
     69  // Reload site A.
     70  // This reloading is quite important to reproduce this bug as it'll
     71  // sync some BFCache status to the parent process for site A, which
     72  // allows the BCG to reuse the already-subscribed process of site A.
     73  await BrowserTestUtils.reloadTab(tab, {
     74    includeSubFrames: true,
     75  });
     76 
     77  // TODO (sefeng): If we use tab.linkedBrowser.goForward() for
     78  // the navigation, it'll trigger bug 1917343.
     79  await clickButtonToNavigateSiteB();
     80 
     81  await clickButtonToEmbedIframe();
     82 
     83  // Wait for the <input> to be focused within the embedded iframe.
     84  const activeBCInIframeProcess = await SpecialPowers.spawn(
     85    tab.linkedBrowser,
     86    [],
     87    async function () {
     88      let iframe = content.document.querySelector("iframe");
     89 
     90      // Get the active browsing context of the process that the iframe belongs to
     91      return SpecialPowers.spawn(iframe, [], () => {
     92        const FocusManager = SpecialPowers.Services.focus;
     93        return FocusManager.activeBrowsingContext;
     94      });
     95    }
     96  );
     97 
     98  Assert.ok(
     99    !!activeBCInIframeProcess,
    100    "activeBC should be set to the iframe process"
    101  );
    102  BrowserTestUtils.removeTab(tab);
    103 }
    104 
    105 add_task(async function () {
    106  await test_set_focus_after_reuse_bcg();
    107 });