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<!DOCTYPE HTML>
<html>
<head>
<title>Test for scrolling selection into view</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
var ANCHOR = 0;
var FOCUS = 1;
var win;
function testCollapsed(id, vPercent, startAt, expected) {
var selection = SpecialPowers.wrap(win.getSelection())
.QueryInterface(SpecialPowers.Ci.nsISelectionPrivate);
var c = win.document.getElementById("c" + id);
var target = win.document.getElementById("target" + id);
if (target.contentDocument) {
selection = SpecialPowers.wrap(target.contentWindow.getSelection())
.QueryInterface(SpecialPowers.Ci.nsISelectionPrivate);
target = target.contentDocument.getElementById("target" + id);
}
selection.collapse(target.parentNode, 0);
c.scrollTop = startAt;
selection.scrollIntoView(FOCUS, true, vPercent, 0);
is(c.scrollTop, expected, "Scrolling " + target.id +
" into view with vPercent " + vPercent + ", starting at " + startAt);
}
function doTest() {
// Test scrolling an element smaller than the scrollport
testCollapsed("1", 0, 0, 400);
testCollapsed("1", 100, 0, 220);
testCollapsed("1", -1, 0, 220);
testCollapsed("1", 0, 500, 400);
testCollapsed("1", 100, 500, 220);
testCollapsed("1", -1, 500, 400);
// overflow:hidden elements should not be scrolled by selection
// scrolling-into-view
testCollapsed("2", 0, 0, 0);
testCollapsed("2", 100, 0, 0);
testCollapsed("2", -1, 0, 0);
testCollapsed("2", 0, 500, 500);
testCollapsed("2", 100, 500, 500);
testCollapsed("2", -1, 500, 500);
// Test scrolling an element larger than the scrollport
testCollapsed("3", 0, 0, 400);
testCollapsed("3", 100, 0, 500);
testCollapsed("3", -1, 0, 400);
testCollapsed("3", 0, 1000, 400);
testCollapsed("3", 100, 1000, 500);
// If the element can't be completely visible, we make the top edge
// visible.
testCollapsed("3", -1, 1000, 400);
// Test scrolling an element larger than the scrollport
testCollapsed("4", 0, 0, 400);
testCollapsed("4", 100, 0, 500);
testCollapsed("4", -1, 0, 400);
testCollapsed("4", 0, 1000, 400);
testCollapsed("4", 100, 1000, 500);
// If the element can't be completely visible, we make the top edge
// visible.
testCollapsed("4", -1, 1000, 400);
// Test that scrolling a translated element into view takes
// account of the transform.
testCollapsed("5", 0, 0, 400);
// Test that scrolling a scaled element into view takes
// account of the transform.
testCollapsed("6", 0, 0, 150);
// Test that scrolling an element with a translated, scrolling container
// into view takes account of the transform.
testCollapsed("7", 0, 0, 400);
win.close();
SimpleTest.finish();
}
function openWindow() {
win = open("scroll_selection_into_view_window.html", "_blank", "width=500,height=350");
}
SimpleTest.waitForExplicitFinish();
addLoadEvent(openWindow);
</script>
</pre>
</body>
</html>
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