The Tor Browser: layout/base/tests/chrome/test_scroll_selection_into

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 <!DOCTYPE HTML>

     2 <html>

     3 <head>

     4   <title>Test for scrolling selection into view</title>

     5   <script type="text/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>

     6   <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" />

     7 </head>

     8 <body>

    10 <pre id="test">

    11 <script class="testbody" type="text/javascript">

    13 var ANCHOR = 0;

    14 var FOCUS = 1;

    15 var win;

    17 function testCollapsed(id, vPercent, startAt, expected) {

    18   var selection = win.getSelection().QueryInterface(SpecialPowers.Ci.nsISelectionPrivate);

    20   var c = win.document.getElementById("c" + id);

    21   var target = win.document.getElementById("target" + id);

    22   if (target.contentDocument) {

    23     selection = target.contentWindow.getSelection().QueryInterface(SpecialPowers.Ci.nsISelectionPrivate);

    24     target = target.contentDocument.getElementById("target" + id);

    25   }

    26   selection.collapse(target.parentNode, 0);

    27   c.scrollTop = startAt;

    28   selection.scrollIntoView(FOCUS, true, vPercent, 0);

    29   is(c.scrollTop, expected, "Scrolling " + target.id +

    30      " into view with vPercent " + vPercent + ", starting at " + startAt);

    31 }

    33 function doTest() {

    34   // Test scrolling an element smaller than the scrollport

    35   testCollapsed("1", 0, 0, 400);

    36   testCollapsed("1", 100, 0, 220);

    37   testCollapsed("1", -1, 0, 220);

    38   testCollapsed("1", 0, 500, 400);

    39   testCollapsed("1", 100, 500, 220);

    40   testCollapsed("1", -1, 500, 400);

    42   // overflow:hidden elements should not be scrolled by selection

    43   // scrolling-into-view

    44   testCollapsed("2", 0, 0, 0);

    45   testCollapsed("2", 100, 0, 0);

    46   testCollapsed("2", -1, 0, 0);

    47   testCollapsed("2", 0, 500, 500);

    48   testCollapsed("2", 100, 500, 500);

    49   testCollapsed("2", -1, 500, 500);

    51   // Test scrolling an element larger than the scrollport

    52   testCollapsed("3", 0, 0, 400);

    53   testCollapsed("3", 100, 0, 500);

    54   testCollapsed("3", -1, 0, 400);

    55   testCollapsed("3", 0, 1000, 400);

    56   testCollapsed("3", 100, 1000, 500);

    57   // If the element can't be completely visible, we make the top edge

    58   // visible.

    59   testCollapsed("3", -1, 1000, 400);

    61   // Test scrolling an element larger than the scrollport

    62   testCollapsed("4", 0, 0, 400);

    63   testCollapsed("4", 100, 0, 500);

    64   testCollapsed("4", -1, 0, 400);

    65   testCollapsed("4", 0, 1000, 400);

    66   testCollapsed("4", 100, 1000, 500);

    67   // If the element can't be completely visible, we make the top edge

    68   // visible.

    69   testCollapsed("4", -1, 1000, 400);

    71   // Test that scrolling a translated element into view takes

    72   // account of the transform.

    73   testCollapsed("5", 0, 0, 400);

    75   // Test that scrolling a scaled element into view takes

    76   // account of the transform.

    77   testCollapsed("6", 0, 0, 150);

    79   // Test that scrolling an element with a translated, scrolling container

    80   // into view takes account of the transform.

    81   testCollapsed("7", 0, 0, 400);

    83   win.close();

    84   SimpleTest.finish();

    85 }

    87 function openWindow() {

    88   win = open("scroll_selection_into_view_window.html", "_blank", "width=500,height=350");

    89 }

    91 SimpleTest.waitForExplicitFinish();

    92 addLoadEvent(openWindow);

    93 </script>

    94 </pre>

    95 </body>

    97 </html>

The Tor Browser / file revision