requestLongerTimeout(2);
add_task(function* ()
{
function pushPref(name, value) {
return new Promise(resolve => SpecialPowers.pushPrefEnv({"set": [[name, value]]}, resolve));
}
yield pushPref("general.autoScroll", true);
const expectScrollNone = 0;
const expectScrollVert = 1;
const expectScrollHori = 2;
const expectScrollBoth = 3;
var allTests = [
{dataUri: 'data:text/html,<html><head><meta charset="utf-8"></head><body><style type="text/css">div { display: inline-block; }</style>\
<div id="a" style="width: 100px; height: 100px; overflow: hidden;"><div style="width: 200px; height: 200px;"></div></div>\
<div id="b" style="width: 100px; height: 100px; overflow: auto;"><div style="width: 200px; height: 200px;"></div></div>\
<div id="c" style="width: 100px; height: 100px; overflow-x: auto; overflow-y: hidden;"><div style="width: 200px; height: 200px;"></div></div>\
<div id="d" style="width: 100px; height: 100px; overflow-y: auto; overflow-x: hidden;"><div style="width: 200px; height: 200px;"></div></div>\
<select id="e" style="width: 100px; height: 100px;" multiple="multiple"><option>aaaaaaaaaaaaaaaaaaaaaaaa</option><option>a</option><option>a</option>\
<option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option>\
<option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option></select>\
<select id="f" style="width: 100px; height: 100px;"><option>a</option><option>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</option><option>a</option>\
<option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option>\
<option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option><option>a</option></select>\
<div id="g" style="width: 99px; height: 99px; border: 10px solid black; margin: 10px; overflow: auto;"><div style="width: 100px; height: 100px;"></div></div>\
<div id="h" style="width: 100px; height: 100px; overflow: -moz-hidden-unscrollable;"><div style="width: 200px; height: 200px;"></div></div>\
<iframe id="iframe" style="display: none;"></iframe>\
</body></html>'},
{elem: 'a', expected: expectScrollNone},
{elem: 'b', expected: expectScrollBoth},
{elem: 'c', expected: expectScrollHori},
{elem: 'd', expected: expectScrollVert},
{elem: 'e', expected: expectScrollVert},
{elem: 'f', expected: expectScrollNone},
{elem: 'g', expected: expectScrollBoth},
{elem: 'h', expected: expectScrollNone},
{dataUri: 'data:text/html,<html><head><meta charset="utf-8"></head><body id="i" style="overflow-y: scroll"><div style="height: 2000px"></div>\
<iframe id="iframe" style="display: none;"></iframe>\
</body></html>'},
{elem: 'i', expected: expectScrollVert}, // bug 695121
{dataUri: 'data:text/html,<html><head><meta charset="utf-8"></head><style>html, body { width: 100%; height: 100%; overflow-x: hidden; overflow-y: scroll; }</style>\
<body id="j"><div style="height: 2000px"></div>\
<iframe id="iframe" style="display: none;"></iframe>\
</body></html>'},
{elem: 'j', expected: expectScrollVert}, // bug 914251
{dataUri: 'data:text/html,<html><head><meta charset="utf-8">\
<style>\
body > div {scroll-behavior: smooth;width: 300px;height: 300px;overflow: scroll;}\
body > div > div {width: 1000px;height: 1000px;}\
</style>\
</head><body><div id="t"><div></div></div></body></html>'},
{elem: 't', expected: expectScrollBoth}, // bug 1308775
{dataUri: 'data:text/html,<html><head><meta charset="utf-8"></head><body>\
<div id="k" style="height: 150px; width: 200px; overflow: scroll; border: 1px solid black;">\
<iframe style="height: 200px; width: 300px;"></iframe>\
</div>\
<div id="l" style="height: 150px; width: 300px; overflow: scroll; border: 1px dashed black;">\
<iframe style="height: 200px; width: 200px;" src="data:text/html,<div style=\'border: 5px solid blue; height: 200%; width: 200%;\'></div>"></iframe>\
</div>\
<iframe id="m"></iframe>\
<div style="height: 200%; border: 5px dashed black;">filler to make document overflow: scroll;</div>\
</body></html>'},
{elem: 'k', expected: expectScrollBoth},
{elem: 'k', expected: expectScrollNone, testwindow: true},
{elem: 'l', expected: expectScrollNone},
{elem: 'm', expected: expectScrollVert, testwindow: true},
{dataUri: 'data:text/html,<html><head><meta charset="utf-8"></head><body>\
<img width="100" height="100" alt="image map" usemap="%23planetmap">\
<map name="planetmap">\
<area id="n" shape="rect" coords="0,0,100,100" href="javascript:void(null)">\
</map>\
<a href="javascript:void(null)" id="o" style="width: 100px; height: 100px; border: 1px solid black; display: inline-block; vertical-align: top;">link</a>\
<input id="p" style="width: 100px; height: 100px; vertical-align: top;">\
<textarea id="q" style="width: 100px; height: 100px; vertical-align: top;"></textarea>\
<div style="height: 200%; border: 1px solid black;"></div>\
</body></html>'},
{elem: 'n', expected: expectScrollNone, testwindow: true},
{elem: 'o', expected: expectScrollNone, testwindow: true},
{elem: 'p', expected: expectScrollVert, testwindow: true, middlemousepastepref: false},
{elem: 'q', expected: expectScrollVert, testwindow: true, middlemousepastepref: false},
{dataUri: 'data:text/html,<html><head><meta charset="utf-8"></head><body>\
<input id="r" style="width: 100px; height: 100px; vertical-align: top;">\
<textarea id="s" style="width: 100px; height: 100px; vertical-align: top;"></textarea>\
<div style="height: 200%; border: 1px solid black;"></div>\
</body></html>'},
{elem: 'r', expected: expectScrollNone, testwindow: true, middlemousepastepref: true},
{elem: 's', expected: expectScrollNone, testwindow: true, middlemousepastepref: true}
];
for (let test of allTests) {
if (test.dataUri) {
let loadedPromise = BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser);
gBrowser.loadURI(test.dataUri);
yield loadedPromise;
continue;
}
let prefsChanged = (test.middlemousepastepref == false || test.middlemousepastepref == true);
if (prefsChanged) {
yield pushPref("middlemouse.paste", test.middlemousepastepref);
}
yield BrowserTestUtils.synthesizeMouse("#" + test.elem, 50, 80, { button: 1 },
gBrowser.selectedBrowser);
// This ensures bug 605127 is fixed: pagehide in an unrelated document
// should not cancel the autoscroll.
yield ContentTask.spawn(gBrowser.selectedBrowser, { }, function* () {
var iframe = content.document.getElementById("iframe");
if (iframe) {
var e = new iframe.contentWindow.PageTransitionEvent("pagehide",
{ bubbles: true,
cancelable: true,
persisted: false });
iframe.contentDocument.dispatchEvent(e);
iframe.contentDocument.documentElement.dispatchEvent(e);
}
});
is(document.activeElement, gBrowser.selectedBrowser, "Browser still focused after autoscroll started");
yield BrowserTestUtils.synthesizeMouse("#" + test.elem, 100, 100,
{ type: "mousemove", clickCount: "0" },
gBrowser.selectedBrowser);
if (prefsChanged) {
yield new Promise(resolve => SpecialPowers.popPrefEnv(resolve));
}
// Start checking for the scroll.
let firstTimestamp = undefined;
let timeCompensation;
do {
let timestamp = yield new Promise(resolve => window.requestAnimationFrame(resolve));
if (firstTimestamp === undefined) {
firstTimestamp = timestamp;
}
// This value is calculated similarly to the value of the same name in
// ClickEventHandler.autoscrollLoop, except here it's cumulative across
// all frames after the first one instead of being based only on the
// current frame.
timeCompensation = (timestamp - firstTimestamp) / 20;
info("timestamp=" + timestamp + " firstTimestamp=" + firstTimestamp +
" timeCompensation=" + timeCompensation);
// Try to wait until enough time has passed to allow the scroll to happen.
// autoscrollLoop incrementally scrolls during each animation frame, but
// due to how its calculations work, when a frame is very close to the
// previous frame, no scrolling may actually occur during that frame.
// After 100ms's worth of frames, timeCompensation will be 1, making it
// more likely that the accumulated scroll in autoscrollLoop will be >= 1,
// although it also depends on acceleration, which here in this test
// should be > 1 due to how it synthesizes mouse events below.
} while (timeCompensation < 5);
// Close the autoscroll popup by synthesizing Esc.
EventUtils.synthesizeKey("VK_ESCAPE", {});
let scrollVert = test.expected & expectScrollVert;
let scrollHori = test.expected & expectScrollHori;
yield ContentTask.spawn(gBrowser.selectedBrowser,
{ scrollVert : scrollVert,
scrollHori: scrollHori,
elemid : test.elem,
checkWindow: test.testwindow },
function* (args) {
let msg = "";
if (args.checkWindow) {
if (!((args.scrollVert && content.scrollY > 0) ||
(!args.scrollVert && content.scrollY == 0))) {
msg += "Failed: ";
}
msg += 'Window for ' + args.elemid + ' should' + (args.scrollVert ? '' : ' not') + ' have scrolled vertically\n';
if (!((args.scrollHori && content.scrollX > 0) ||
(!args.scrollHori && content.scrollX == 0))) {
msg += "Failed: ";
}
msg += ' Window for ' + args.elemid + ' should' + (args.scrollHori ? '' : ' not') + ' have scrolled horizontally\n';
} else {
let elem = content.document.getElementById(args.elemid);
if (!((args.scrollVert && elem.scrollTop > 0) ||
(!args.scrollVert && elem.scrollTop == 0))) {
msg += "Failed: ";
}
msg += ' ' + args.elemid + ' should' + (args.scrollVert ? '' : ' not') + ' have scrolled vertically\n';
if (!((args.scrollHori && elem.scrollLeft > 0) ||
(!args.scrollHori && elem.scrollLeft == 0))) {
msg += "Failed: ";
}
msg += args.elemid + ' should' + (args.scrollHori ? '' : ' not') + ' have scrolled horizontally';
}
Assert.ok(msg.indexOf("Failed") == -1, msg);
}
);
// Before continuing the test, we need to ensure that the IPC
// message that stops autoscrolling has had time to arrive.
yield new Promise(resolve => executeSoon(resolve));
}
// remove 2 tabs that were opened by middle-click on links
while (gBrowser.visibleTabs.length > 1) {
gBrowser.removeTab(gBrowser.visibleTabs[gBrowser.visibleTabs.length - 1]);
}
// wait for focus to fix a failure in the next test if the latter runs too soon.
yield SimpleTest.promiseFocus();
});