Bug 1447131 - Move centerOf() into apz_test_utils.js. r=kats
MozReview-Commit-ID: CwO5SnWmhb9
<!DOCTYPE HTML>
<html>
<head>
<title>Various tests to exercise the APZ hit-testing codepaths</title>
<script type="application/javascript" src="apz_test_utils.js"></script>
<script type="application/javascript" src="apz_test_native_event_utils.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/paint_listener.js"></script>
<meta name="viewport" content="width=device-width"/>
</head>
<body>
<div id="scroller" style="width: 300px; height: 300px; overflow:scroll; margin-top: 100px; margin-left: 50px">
<div id="contents" style="width: 500px; height: 500px; background-image: linear-gradient(blue,red)">
<div id="apzaware" style="position: relative; width: 100px; height: 100px; top: 300px; background-color: red" onwheel="return false;"></div>
</div>
</div>
<div id="make_root_scrollable" style="height: 5000px"></div>
</body>
<script type="application/javascript">
function* test(testDriver) {
var config = getHitTestConfig();
var utils = config.utils;
var scroller = document.getElementById('scroller');
var apzaware = document.getElementById('apzaware');
var {hitInfo, scrollId} = hitTest(centerOf(scroller));
is(hitInfo, APZHitResultFlags.VISIBLE | APZHitResultFlags.DISPATCH_TO_CONTENT,
"inactive scrollframe hit info");
is(scrollId, utils.getViewId(document.scrollingElement),
"inactive scrollframe scrollid");
// The apz-aware div (which has a non-passive wheel listener) is not visible
// and so the hit-test should just return the root scrollframe area that's
// covering it
var {hitInfo, scrollId} = hitTest(centerOf(apzaware));
is(hitInfo, APZHitResultFlags.VISIBLE,
"inactive scrollframe - apzaware block hit info");
is(scrollId, utils.getViewId(document.scrollingElement),
"inactive scrollframe - apzaware block scrollid");
// Hit test where the scroll thumbs should be.
hitTestScrollbar({
element: scroller,
directions: { vertical: true, horizontal: true },
expectedScrollId: utils.getViewId(document.scrollingElement),
trackLocation: ScrollbarTrackLocation.START,
expectThumb: true,
layerState: LayerState.INACTIVE
});
// activate the scrollframe but keep the main-thread scroll position at 0.
// also apply a async scroll offset in the y-direction such that the
// scrollframe scrolls to the bottom of its range.
utils.setDisplayPortForElement(0, 0, 500, 500, scroller, 1);
yield waitForAllPaints(testDriver);
var scrollY = scroller.scrollTopMax;
utils.setAsyncScrollOffset(scroller, 0, scrollY);
if (config.isWebRender) {
// Tick the refresh driver once to make sure the compositor has applied the
// async scroll offset (for APZ hit-testing this doesn't matter, but for
// WebRender hit-testing we need to make sure WR has the latest info).
utils.advanceTimeAndRefresh(16);
utils.restoreNormalRefresh();
}
var scrollerViewId = utils.getViewId(scroller);
// Now we again test the middle of the scrollframe, which is now active
var {hitInfo, scrollId} = hitTest(centerOf(scroller));
is(hitInfo, APZHitResultFlags.VISIBLE,
"active scrollframe hit info");
is(scrollId, scrollerViewId,
"active scrollframe scrollid");
// Test the apz-aware block
var apzawarePosition = centerOf(apzaware); // main thread position
apzawarePosition.y -= scrollY; // APZ position
var {hitInfo, scrollId} = hitTest(apzawarePosition);
is(hitInfo, APZHitResultFlags.VISIBLE | APZHitResultFlags.DISPATCH_TO_CONTENT,
"active scrollframe - apzaware block hit info");
is(scrollId, scrollerViewId,
"active scrollframe - apzaware block scrollid");
// Test the scrollbars. Note that this time the vertical scrollthumb is
// going to be at the bottom of the track. We'll test both the top and the
// bottom.
// top of scrollbar track
hitTestScrollbar({
element: scroller,
directions: { vertical: true },
expectedScrollId: scrollerViewId,
trackLocation: ScrollbarTrackLocation.START,
expectThumb: false,
layerState: LayerState.ACTIVE
});
// bottom of scrollbar track (scrollthumb)
hitTestScrollbar({
element: scroller,
directions: { vertical: true },
expectedScrollId: scrollerViewId,
trackLocation: ScrollbarTrackLocation.END,
expectThumb: true,
layerState: LayerState.ACTIVE
});
// left part of scrollbar track (has scrollthumb)
hitTestScrollbar({
element: scroller,
directions: { horizontal: true },
expectedScrollId: scrollerViewId,
trackLocation: ScrollbarTrackLocation.START,
expectThumb: true,
layerState: LayerState.ACTIVE
});
// right part of scrollbar track
hitTestScrollbar({
element: scroller,
directions: { horizontal: true },
expectedScrollId: scrollerViewId,
trackLocation: ScrollbarTrackLocation.END,
expectThumb: false,
layerState: LayerState.ACTIVE
});
subtestDone();
}
waitUntilApzStable().then(runContinuation(test));
</script>
</html>