tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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browser_fullscreen-navigation-history.js (3424B)

      1 /* Any copyright is dedicated to the Public Domain.
      2   http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 
      6 requestLongerTimeout(2);
      7 
      8 // Import helpers
      9 Services.scriptloader.loadSubScript(
     10  "chrome://mochitests/content/browser/dom/base/test/fullscreen/fullscreen_helpers.js",
     11  this
     12 );
     13 
     14 add_setup(async function () {
     15  await pushPrefs(
     16    ["test.wait300msAfterTabSwitch", true],
     17    ["full-screen-api.transition-duration.enter", "0 0"],
     18    ["full-screen-api.transition-duration.leave", "0 0"],
     19    ["full-screen-api.allow-trusted-requests-only", false]
     20  );
     21 });
     22 
     23 function preventBFCache(aBrowsingContext, aPrevent) {
     24  return SpecialPowers.spawn(aBrowsingContext, [aPrevent], prevent => {
     25    if (prevent) {
     26      // Using a dummy onunload listener to disable the bfcache.
     27      content.window.addEventListener("unload", () => {});
     28    }
     29    content.window.addEventListener(
     30      "pagehide",
     31      e => {
     32        // XXX checking persisted property causes intermittent failures, so we
     33        // dump the value instead, bug 1822263.
     34        // is(e.persisted, !prevent, `Check BFCache state`);
     35        info(`Check BFCache state: e.persisted is ${e.persisted}`);
     36      },
     37      { once: true }
     38    );
     39  });
     40 }
     41 
     42 [true, false].forEach(crossOrigin => {
     43  [true, false].forEach(initialPagePreventsBFCache => {
     44    [true, false].forEach(fullscreenPagePreventsBFCache => {
     45      add_task(async function navigation_history() {
     46        info(
     47          `crossOrigin: ${crossOrigin}, initialPagePreventsBFCache: ${initialPagePreventsBFCache}, fullscreenPagePreventsBFCache: ${fullscreenPagePreventsBFCache}`
     48        );
     49        await BrowserTestUtils.withNewTab(
     50          {
     51            gBrowser,
     52            url: "https://example.com/browser/dom/base/test/fullscreen/dummy_page.html",
     53          },
     54          async function (browser) {
     55            // Maybe prevent BFCache on initial page.
     56            await preventBFCache(
     57              browser.browsingContext,
     58              initialPagePreventsBFCache
     59            );
     60 
     61            // Navigate to fullscreen page.
     62            const url = crossOrigin
     63              ? "https://example.org/browser/dom/base/test/fullscreen/file_fullscreen-iframe-inner.html"
     64              : "https://example.com/browser/dom/base/test/fullscreen/file_fullscreen-iframe-inner.html";
     65            const loaded = BrowserTestUtils.browserLoaded(browser, false, url);
     66            BrowserTestUtils.startLoadingURIString(browser, url);
     67            await loaded;
     68 
     69            // Maybe prevent BFCache on fullscreen test page.
     70            await preventBFCache(
     71              browser.browsingContext,
     72              fullscreenPagePreventsBFCache
     73            );
     74 
     75            // Trigger click event to enter fullscreen.
     76            let promiseFsState = waitForFullscreenState(document, true);
     77            SpecialPowers.spawn(browser.browsingContext, [], () => {
     78              content.setTimeout(() => {
     79                content.document.getElementById("div").click();
     80              }, 0);
     81            });
     82            await promiseFsState;
     83 
     84            // Navigate back to the previous page should exit fullscreen.
     85            promiseFsState = waitForFullscreenState(document, false);
     86            await SpecialPowers.spawn(browser.browsingContext, [], () => {
     87              content.window.history.back();
     88            });
     89            await promiseFsState;
     90          }
     91        );
     92      });
     93    });
     94  });
     95 });