tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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prefer-inner-target.html (4743B)

      1 <!DOCTYPE html>
      2 <html>
      3  <head>
      4    <link rel="help" href="https://drafts.csswg.org/css-scroll-snap" />
      5    <script src="/resources/testharness.js"></script>
      6    <script src="/resources/testharnessreport.js"></script>
      7    <script src="/dom/events/scrolling/scroll_support.js"></script>
      8    <script src="/resources/testdriver.js"></script>
      9    <script src="/resources/testdriver-actions.js"></script>
     10    <script src="/resources/testdriver-vendor.js"></script>
     11    <script src="resources/common.js" ></script>
     12  </head>
     13  <body>
     14    <style>
     15      .scroller {
     16        overflow: scroll;
     17        position: relative;
     18        height: 400px;
     19        width: 400px;
     20        border:solid 1px black;
     21        scroll-snap-type: y mandatory;
     22      }
     23      .no-snap { scroll-snap-align: none }
     24      .scroller div:focus {
     25        border: solid 1px red;
     26      }
     27      .large-space {
     28        height: 300vh;
     29        width: 300vw;
     30        position: absolute;
     31      }
     32      .target {
     33        scroll-snap-align: start;
     34        position: absolute;
     35        width: 100px;
     36        height: 100px;
     37        border: solid 1px black;
     38      }
     39      .top {
     40        top: 0px;
     41      }
     42      .left {
     43        left: 0px;
     44      }
     45      .right {
     46        left: 200px;
     47      }
     48      .bottom {
     49        top: 200px;
     50      }
     51      .inner {
     52        text-align: right;
     53      }
     54      .inner1 {
     55        height: 150px;
     56        width: 150px;
     57        top: 150px;
     58        left: 100px;
     59        background-color: blue;
     60      }
     61      .inner2 {
     62        height: 100px;
     63        width: 100px;
     64        top: 150px;
     65        left: 100px;
     66        background-color: pink;
     67      }
     68      .inner3 {
     69        height: 75px;
     70        width: 75px;
     71        top: 150px;
     72        left: 100px;
     73        background-color: green;
     74      }
     75      .inner4 {
     76        height: 50px;
     77        width: 50px;
     78        top: 150px;
     79        left: 100px;
     80        background-color: grey;
     81      }
     82      .outer {
     83        height: 200px;
     84        width: 200px;
     85        top: 150px;
     86        left: 50px;
     87        left: 50px;
     88        background-color: yellow;
     89      }
     90    </style>
     91    <div id="scroller" class="scroller">
     92      <div class="large-space"></div>
     93      <div class="top left target">Top Left</div>
     94      <div class="top right target">Top Right</div>
     95      <div class="outer target" id="outer">Outer</div>
     96      <div class="inner inner1 target" id="inner1">I1</div>
     97      <div class="inner inner2 target" id="inner2">I2</div>
     98      <div class="inner inner3 target" id="inner3">I3</div>
     99      <div class="inner inner4 target" id="inner4">I4</div>
    100    </div>
    101    <script>
    102      function cleanup() {
    103        inner.style.top = 100;
    104        outer.style.top = 100;
    105      }
    106      window.onload = (async () => {
    107        const inner1 = document.getElementById("inner1");
    108        const inner2 = document.getElementById("inner2");
    109        const inner3 = document.getElementById("inner3");
    110        const inner4 = document.getElementById("inner4");
    111        const outer = document.getElementById("outer");
    112        const scroller = document.getElementById("scroller");
    113 
    114        promise_test(async (t) => {
    115          await waitForCompositorCommit();
    116 
    117          await runScrollSnapSelectionVerificationTest(t, scroller,
    118            /*aligned_elements_x=*/[],
    119            /*aligned_elements_y=*/[inner1, inner2, inner3, inner4,  outer],
    120            /*axis=*/"y",
    121            /*expected_target_x*/null,
    122            /*expected_target_y*/inner4);
    123 
    124          // Push inner4 outside the snapport. It should no longer be considered
    125          // the snap target; inner3 is next in line.
    126          inner4.style.left = "500px";
    127          await runScrollSnapSelectionVerificationTest(t, scroller,
    128            /*aligned_elements_x=*/[],
    129            /*aligned_elements_y=*/[inner1, inner2, inner3, inner4,  outer],
    130            /*axis=*/"y",
    131            /*expected_target_x*/null,
    132            /*expected_target_y*/inner3);
    133 
    134          // Reset inner4's style.
    135          inner4.style.left = "100px";
    136        }, "snap container selects innermost area as snap target");
    137 
    138        promise_test(async (t) => {
    139          t.add_cleanup(() => {
    140            outer.style.top = "150px";
    141          });
    142          await waitForCompositorCommit();
    143 
    144          // Move outer target below inner targets.
    145          outer.style.top = "400px";
    146 
    147          // Snap to now-below outer target.
    148          scroller.scrollTop = outer.offsetTop;
    149 
    150          runLayoutSnapSeletionVerificationTest(t, scroller,
    151            [inner1, inner2, inner3, inner4], outer, "y");
    152        }, "snap container follows selected snap target after layout change " +
    153           "(the pre-existing snap target should not be overriden because of " +
    154           "the innermost area)");
    155      });
    156    </script>
    157  </body>
    158 </html>