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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width; initial-scale=1.0">
<title>Complex touch-action test</title>
<script type="application/javascript" src="apz_test_native_event_utils.js"></script>
<script type="application/javascript" src="apz_test_utils.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<script type="application/javascript">
function checkScroll(target, x, y, desc) {
is(target.scrollLeft, x, desc + " - x axis");
is(target.scrollTop, y, desc + " - y axis");
}
async function resetConfiguration(config) {
// Cycle through all the configuration_X elements, setting them to display:none
// except for when X == config, in which case set it to display:block
var i = 0;
while (true) {
i++;
var element = document.getElementById("configuration_" + i);
if (element == null) {
if (i <= config) {
ok(false, "The configuration requested was not encountered!");
}
break;
}
if (i == config) {
element.style.display = "block";
} else {
element.style.display = "none";
}
}
// Also reset the scroll position on the scrollframe
var s = document.getElementById("scrollframe");
s.scrollLeft = 0;
s.scrollTop = 0;
await promiseAllPaintsDone();
await promiseApzFlushedRepaints();
}
async function test() {
var scrollframe = document.getElementById("scrollframe");
// Helper function for the tests below.
// Touch-pan configuration |configuration| towards scroll offset (dx, dy) with
// the pan touching down at (x, y). Check that the final scroll offset is
// (ex, ey). |desc| is some description string.
async function scrollAndCheck(configuration, x, y, dx, dy, ex, ey, desc) {
// Start with a clean slate
await resetConfiguration(configuration);
// Reverse the touch delta in order to scroll in the desired direction
dx = -dx;
dy = -dy;
// Do the pan
let touchEndPromise = promiseTouchEnd(document.body);
ok(await synthesizeNativeTouchDrag(scrollframe, x, y, dx, dy),
"Synthesized drag of (" + dx + ", " + dy + ") on configuration " + configuration);
await touchEndPromise;
await promiseAllPaintsDone();
await promiseOnlyApzControllerFlushed();
// Check for expected scroll position
checkScroll(scrollframe, ex, ey, "configuration " + configuration + " " + desc);
}
// Test configuration_1, which contains two sibling elements that are
// overlapping. The touch-action from the second sibling (which is on top)
// should be used for the overlapping area.
await scrollAndCheck(1, 25, 75, 20, 0, 20, 0, "first element horizontal scroll");
await scrollAndCheck(1, 25, 75, 0, 50, 0, 0, "first element vertical scroll");
await scrollAndCheck(1, 75, 75, 50, 0, 0, 0, "overlap horizontal scroll");
await scrollAndCheck(1, 75, 75, 0, 50, 0, 50, "overlap vertical scroll");
await scrollAndCheck(1, 125, 75, 20, 0, 0, 0, "second element horizontal scroll");
await scrollAndCheck(1, 125, 75, 0, 50, 0, 50, "second element vertical scroll");
// Test configuration_2, which contains two overlapping elements with a
// parent/child relationship. The parent has pan-x and the child has pan-y,
// which means that panning on the parent should work horizontally only, and
// on the child no panning should occur at all.
await scrollAndCheck(2, 125, 125, 50, 50, 0, 0, "child scroll");
await scrollAndCheck(2, 75, 75, 50, 50, 0, 0, "overlap scroll");
await scrollAndCheck(2, 25, 75, 0, 50, 0, 0, "parent vertical scroll");
await scrollAndCheck(2, 75, 25, 50, 0, 50, 0, "parent horizontal scroll");
// Test configuration_3, which is the same as configuration_2, except the child
// has a rotation transform applied. This forces the event regions on the two
// elements to be built separately and then get merged.
await scrollAndCheck(3, 125, 125, 50, 50, 0, 0, "child scroll");
await scrollAndCheck(3, 75, 75, 50, 50, 0, 0, "overlap scroll");
await scrollAndCheck(3, 25, 75, 0, 50, 0, 0, "parent vertical scroll");
await scrollAndCheck(3, 75, 25, 50, 0, 50, 0, "parent horizontal scroll");
// Test configuration_4 has two elements, one above the other, not overlapping,
// and the second element is a child of the first. The parent has pan-x, the
// child has pan-y, but that means panning horizontally on the parent should
// work and panning in any direction on the child should not do anything.
await scrollAndCheck(4, 75, 75, 50, 50, 50, 0, "parent diagonal scroll");
await scrollAndCheck(4, 75, 150, 50, 50, 0, 0, "child diagonal scroll");
}
waitUntilApzStable()
.then(test)
.then(subtestDone, subtestFailed);
</script>
</head>
<body>
<div id="scrollframe" style="width: 300px; height: 300px; overflow:scroll">
<div id="scrolled_content" style="width: 1000px; height: 1000px; background-color: green">
</div>
<div id="configuration_1" style="display:none; position: relative; top: -1000px">
<div style="touch-action: pan-x; width: 100px; height: 100px; background-color: blue"></div>
<div style="touch-action: pan-y; width: 100px; height: 100px; position: relative; top: -100px; left: 50px; background-color: yellow"></div>
</div>
<div id="configuration_2" style="display:none; position: relative; top: -1000px">
<div style="touch-action: pan-x; width: 100px; height: 100px; background-color: blue">
<div style="touch-action: pan-y; width: 100px; height: 100px; position: relative; top: 50px; left: 50px; background-color: yellow"></div>
</div>
</div>
<div id="configuration_3" style="display:none; position: relative; top: -1000px">
<div style="touch-action: pan-x; width: 100px; height: 100px; background-color: blue">
<div style="touch-action: pan-y; width: 100px; height: 100px; position: relative; top: 50px; left: 50px; background-color: yellow; transform: rotate(90deg)"></div>
</div>
</div>
<div id="configuration_4" style="display:none; position: relative; top: -1000px">
<div style="touch-action: pan-x; width: 100px; height: 100px; background-color: blue">
<div style="touch-action: pan-y; width: 100px; height: 100px; position: relative; top: 125px; background-color: yellow"></div>
</div>
</div>
</div>
</body>
</html>