tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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pageswap-traverse-navigation-no-bfcache.https.html (2718B)

      1 <!DOCTYPE html>
      2 <title>View transitions: pageswap navigationactivation for traverse navigations</title>
      3 <link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/">
      4 <link rel="author" href="mailto:khushalsagar@chromium.org">
      5 <script src="/resources/testharness.js"></script>
      6 <script src="/resources/testharnessreport.js"></script>
      7 <script src="resources/common.js"></script>
      8 <style></style>
      9 <script>
     10 const channel = new BroadcastChannel("testchannel");
     11 
     12 const params = new URLSearchParams(location.search);
     13 const is_initial_page_first_navigation = params.has('popup') && navigation.entries().length == 1;
     14 const is_new_page = params.has('new');
     15 const is_test_page = !params.has('popup') && !params.has('new');
     16 
     17 function enableViewTransition() {
     18  document.styleSheets[0].insertRule(`
     19      @view-transition {
     20        navigation: auto;
     21      }
     22    `);
     23 }
     24 
     25 if (is_new_page)
     26  enableViewTransition();
     27 
     28 // The test page which opens a popup for the navigation sequence.
     29 if (is_test_page) {
     30  const expectedUrl = location.href.split('?')[0] + "?popup";
     31  const expectedEvents = ["pageswap", "transition", expectedUrl, "traverse","from", "pagehide"];
     32 
     33  promise_test(async t => {
     34    let popup;
     35    onload = () => {
     36      window.events = [];
     37      popup = window.open("?popup");
     38      t.add_cleanup(() => popup.close());
     39    };
     40 
     41    await new Promise(resolve => {
     42      channel.addEventListener(
     43        "message", t.step_func(async (e) => {
     44          if (e.data === "nav") {
     45            assert_array_equals(window.events, expectedEvents, 'incorrect event order');
     46            popup.close();
     47            resolve();
     48          }
     49      }));
     50    });
     51  }, `pageswap on traverse navigation from script`);
     52 } else if (is_initial_page_first_navigation) {
     53  // The popup page which the user navigates back to.
     54  onload = async () => {
     55    await disableBFCache();
     56    requestAnimationFrame(() => requestAnimationFrame(() => {
     57      location.href = location.href.split('?')[0] + '?new';
     58    }));
     59  };
     60 
     61  onpageshow = (e) => {
     62    assert_false(e.persisted, 'the test should run without BFCache');
     63  }
     64 } else if (is_new_page) {
     65  onload = () => {
     66    requestAnimationFrame(() => requestAnimationFrame(() => {
     67      navigation.back();
     68    }));
     69  };
     70 
     71  onpageswap = (e) => {
     72    window.opener.events.push("pageswap");
     73    if (e.viewTransition != null)
     74      window.opener.events.push("transition");
     75    window.opener.events.push(e.activation.entry.url);
     76    window.opener.events.push(e.activation.navigationType);
     77    if (e.activation.from == navigation.currentEntry)
     78      window.opener.events.push("from");
     79  };
     80 
     81  onpagehide = () => {
     82    window.opener.events.push("pagehide");
     83    channel.postMessage("nav");
     84  };
     85 }
     86 </script>