gecko/content/events/test/window_wheel_default_action.html

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<!DOCTYPE HTML>
<html>
<head>
<title>Test for default action of WheelEvent</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display"></p>
<div id="scrollable" style="overflow: auto; width: 200px; height: 200px;">
<div id="clipper" style="margin: 0; padding: 0; overflow: hidden; width: 3000px; height: 3000px;">
<div id="scrolled" style="width: 5000px; height: 5000px;">
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</div>
</div>
</div>
<div id="spacerForBody"></div>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
SimpleTest.waitForFocus(runTests, window);
var gScrollableElement = document.getElementById("scrollable");
var gScrolledElement = document.getElementById("scrolled");
var gSpacerForBodyElement = document.getElementById("spacerForBody");
function is()
{
window.opener.is.apply(window.opener, arguments);
}
function ok()
{
window.opener.ok.apply(window.opener, arguments);
}
function hitEventLoop(aFunc, aTimes)
{
if (--aTimes) {
setTimeout(hitEventLoop, 0, aFunc, aTimes);
} else {
setTimeout(aFunc, 20);
}
}
function setDeltaMultiplierSettings(aSettings)
{
SpecialPowers.setIntPref("mousewheel.default.delta_multiplier_x", aSettings.deltaMultiplierX * 100);
SpecialPowers.setIntPref("mousewheel.default.delta_multiplier_y", aSettings.deltaMultiplierY * 100);
SpecialPowers.setIntPref("mousewheel.default.delta_multiplier_z", aSettings.deltaMultiplierZ * 100);
SpecialPowers.setIntPref("mousewheel.with_alt.delta_multiplier_x", aSettings.deltaMultiplierX * 100);
SpecialPowers.setIntPref("mousewheel.with_alt.delta_multiplier_y", aSettings.deltaMultiplierY * 100);
SpecialPowers.setIntPref("mousewheel.with_alt.delta_multiplier_z", aSettings.deltaMultiplierZ * 100);
SpecialPowers.setIntPref("mousewheel.with_control.delta_multiplier_x", aSettings.deltaMultiplierX * 100);
SpecialPowers.setIntPref("mousewheel.with_control.delta_multiplier_y", aSettings.deltaMultiplierY * 100);
SpecialPowers.setIntPref("mousewheel.with_control.delta_multiplier_z", aSettings.deltaMultiplierZ * 100);
SpecialPowers.setIntPref("mousewheel.with_meta.delta_multiplier_x", aSettings.deltaMultiplierX * 100);
SpecialPowers.setIntPref("mousewheel.with_meta.delta_multiplier_y", aSettings.deltaMultiplierY * 100);
SpecialPowers.setIntPref("mousewheel.with_meta.delta_multiplier_z", aSettings.deltaMultiplierZ * 100);
SpecialPowers.setIntPref("mousewheel.with_shift.delta_multiplier_x", aSettings.deltaMultiplierX * 100);
SpecialPowers.setIntPref("mousewheel.with_shift.delta_multiplier_y", aSettings.deltaMultiplierY * 100);
SpecialPowers.setIntPref("mousewheel.with_shift.delta_multiplier_z", aSettings.deltaMultiplierZ * 100);
SpecialPowers.setIntPref("mousewheel.with_win.delta_multiplier_x", aSettings.deltaMultiplierX * 100);
SpecialPowers.setIntPref("mousewheel.with_win.delta_multiplier_y", aSettings.deltaMultiplierY * 100);
SpecialPowers.setIntPref("mousewheel.with_win.delta_multiplier_z", aSettings.deltaMultiplierZ * 100);
}
function doTestScroll(aSettings, aCallback)
{
const kNoScroll = 0x00;
const kScrollUp = 0x01;
const kScrollDown = 0x02;
const kScrollLeft = 0x04;
const kScrollRight = 0x08;
const kTests = [
{ description: "Scroll to bottom by pixel scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown },
{ description: "Scroll to bottom by pixel scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown },
{ description: "Scroll to top by pixel scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp },
{ description: "Scroll to top by pixel scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp },
{ description: "Scroll to right by pixel scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight },
{ description: "Scroll to right by pixel scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight },
{ description: "Scroll to left by pixel scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft },
{ description: "Scroll to left by pixel scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft },
{ description: "Scroll to bottom-right by pixel scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown | kScrollRight },
{ description: "Scroll to bottom-left by pixel scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown | kScrollLeft },
{ description: "Scroll to top-left by pixel scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp | kScrollLeft },
{ description: "Scroll to top-right by pixel scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp | kScrollRight },
{ description: "Not Scroll by pixel scroll for z",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kNoScroll },
{ description: "Scroll to bottom by line scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown },
{ description: "Scroll to bottom by line scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown },
{ description: "Scroll to top by line scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp },
{ description: "Scroll to top by line scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp },
{ description: "Scroll to right by line scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight },
{ description: "Scroll to right by line scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight },
{ description: "Scroll to left by line scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft },
{ description: "Scroll to left by line scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft },
{ description: "Scroll to bottom-right by line scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown | kScrollRight },
{ description: "Scroll to bottom-left by line scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown | kScrollLeft },
{ description: "Scroll to top-left by line scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp | kScrollLeft },
{ description: "Scroll to top-right by line scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp | kScrollRight },
{ description: "Not Scroll by line scroll for z",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kNoScroll },
{ description: "Scroll to bottom by page scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown },
{ description: "Scroll to bottom by page scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown },
{ description: "Scroll to top by page scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp },
{ description: "Scroll to top by page scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp },
{ description: "Scroll to right by page scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight },
{ description: "Scroll to right by page scroll when lineOrPageDelta is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight },
{ description: "Scroll to left by page scroll even if lineOrPageDelta is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft },
{ description: "Scroll to left by page scroll when lineOrPageDelta is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft },
{ description: "Scroll to bottom-right by page scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown | kScrollRight },
{ description: "Scroll to bottom-left by page scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown | kScrollLeft },
{ description: "Scroll to top-left by page scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp | kScrollLeft },
{ description: "Scroll to top-right by page scroll",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp | kScrollRight },
{ description: "Not Scroll by page scroll for z",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: false,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kNoScroll },
// special cases.
// momentum scroll should cause scroll even if the action is zoom, but if the default action is none,
// shouldn't do it.
{ description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 0, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown },
{ description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 1, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown },
{ description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is 0, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp },
{ description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is -1, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp },
{ description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 0, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight },
{ description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 1, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight },
{ description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is 0, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft },
{ description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is -1, even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft },
{ description: "Scroll to bottom-right by momentum pixel scroll even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown | kScrollRight },
{ description: "Scroll to bottom-left by momentum pixel scroll even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown | kScrollLeft },
{ description: "Scroll to top-left by momentum pixel scroll even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp | kScrollLeft },
{ description: "Scroll to top-right by momentum pixel scroll even if the action is zoom",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp | kScrollRight },
{ description: "Not Scroll by momentum pixel scroll for z (action is zoom)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false },
expected: kNoScroll },
{ description: "Not Scroll by momentum pixel scroll if default action is none (action is zoom)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: true, altKey: false, metaKey: false, osKey: false },
expected: kNoScroll,
prepare: function () { SpecialPowers.setIntPref("mousewheel.default.action", 0); },
cleanup: function () { SpecialPowers.setIntPref("mousewheel.default.action", 1); } },
// momentum scroll should cause scroll even if the action is history, but if the default action is none,
// shouldn't do it.
{ description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 0, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown },
{ description: "Scroll to bottom by momentum pixel scroll when lineOrPageDelta is 1, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown },
{ description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is 0, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp },
{ description: "Scroll to top by momentum pixel scroll when lineOrPageDelta is -1, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp },
{ description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 0, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight },
{ description: "Scroll to right by momentum pixel scroll when lineOrPageDelta is 1, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight },
{ description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is 0, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft },
{ description: "Scroll to left by momentum pixel scroll when lineOrPageDelta is -1, even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft },
{ description: "Scroll to bottom-right by momentum pixel scroll even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown | kScrollRight },
{ description: "Scroll to bottom-left by momentum pixel scroll even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown | kScrollLeft },
{ description: "Scroll to top-left by momentum pixel scroll even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp | kScrollLeft },
{ description: "Scroll to top-right by momentum pixel scroll even if the action is history",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp | kScrollRight },
{ description: "Not Scroll by momentum pixel scroll for z (action is history)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kNoScroll },
{ description: "Not Scroll by momentum pixel scroll if default action is none (action is history)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0, isMomentum: true,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: true, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kNoScroll,
prepare: function () { SpecialPowers.setIntPref("mousewheel.default.action", 0); },
cleanup: function () { SpecialPowers.setIntPref("mousewheel.default.action", 1); } },
// Don't scroll along axis whose overflow style is hidden.
{ description: "Scroll to only bottom by oblique pixel wheel event with overflow-x: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown,
prepare: function() { gScrollableElement.style.overflowX = "hidden"; } },
{ description: "Scroll to only bottom by oblique line wheel event with overflow-x: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown },
{ description: "Scroll to only bottom by oblique page wheel event with overflow-x: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown },
{ description: "Scroll to only top by oblique pixel wheel event with overflow-x: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: -1, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp },
{ description: "Scroll to only top by oblique line wheel event with overflow-x: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: -1, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp },
{ description: "Scroll to only top by oblique page wheel event with overflow-x: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: -1, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp,
cleanup: function () { gScrollableElement.style.overflowX = "auto"; } },
{ description: "Scroll to only right by oblique pixel wheel event with overflow-y: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight,
prepare: function() { gScrollableElement.style.overflowY = "hidden"; } },
{ description: "Scroll to only right by oblique line wheel event with overflow-y: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight },
{ description: "Scroll to only right by oblique page wheel event with overflow-y: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight },
{ description: "Scroll to only left by oblique pixel wheel event with overflow-y: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: -1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft },
{ description: "Scroll to only top by oblique line wheel event with overflow-y: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: -1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft },
{ description: "Scroll to only top by oblique page wheel event with overflow-y: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: -1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft,
cleanup: function () { gScrollableElement.style.overflowY = "auto"; } },
{ description: "Don't be scrolled by oblique pixel wheel event with overflow: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kNoScroll,
prepare: function() { gScrollableElement.style.overflow = "hidden"; } },
{ description: "Don't be scrolled by oblique line wheel event with overflow: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kNoScroll },
{ description: "Don't be scrolled by oblique page wheel event with overflow: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 1, expectedOverflowDeltaY: 1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kNoScroll },
{ description: "Don't be scrolled by oblique pixel wheel event with overflow: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: -1, expectedOverflowDeltaY: -1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kNoScroll },
{ description: "Don't be scrolled by oblique line wheel event with overflow: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: -1, expectedOverflowDeltaY: -1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kNoScroll },
{ description: "Don't be scrolled by oblique page wheel event with overflow: hidden",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: -1, expectedOverflowDeltaY: -1,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kNoScroll,
cleanup: function () { gScrollableElement.style.overflow = "auto"; } },
// Don't scroll along axis whose overflow style is hidden and overflow delta values should
// be zero if there is ancestor scrollable element.
{ description: "Scroll to only bottom by oblique pixel wheel event with overflow-x: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown,
prepare: function() {
gScrollableElement.style.overflowX = "hidden";
gScrollableElement.style.position = "fixed";
gScrollableElement.style.top = "30px";
gScrollableElement.style.left = "30px";
// Make body element scrollable.
gSpacerForBodyElement.style.width = "5000px";
gSpacerForBodyElement.style.height = "5000px";
document.documentElement.scrollTop = 500;
document.documentElement.scrollLeft = 500;
} },
{ description: "Scroll to only bottom by oblique line wheel event with overflow-x: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown },
{ description: "Scroll to only bottom by oblique page wheel event with overflow-x: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollDown },
{ description: "Scroll to only top by oblique pixel wheel event with overflow-x: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp },
{ description: "Scroll to only top by oblique line wheel event with overflow-x: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp },
{ description: "Scroll to only top by oblique page wheel event with overflow-x: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollUp,
cleanup: function () { gScrollableElement.style.overflowX = "auto"; } },
{ description: "Scroll to only right by oblique pixel wheel event with overflow-y: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 16.0, deltaY: 16.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight,
prepare: function() { gScrollableElement.style.overflowY = "hidden"; } },
{ description: "Scroll to only right by oblique line wheel event with overflow-y: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight },
{ description: "Scroll to only right by oblique page wheel event with overflow-y: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 1.0, deltaY: 1.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollRight },
{ description: "Scroll to only left by oblique pixel wheel event with overflow-y: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -16.0, deltaY: -16.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft },
{ description: "Scroll to only top by oblique line wheel event with overflow-y: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft },
{ description: "Scroll to only top by oblique page wheel event with overflow-y: hidden (body is scrollable)",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -1.0, deltaY: -1.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0,
shiftKey: false, ctrlKey: false, altKey: false, metaKey: false, osKey: false },
expected: kScrollLeft,
cleanup: function () {
gScrollableElement.style.overflowY = "auto";
gScrollableElement.style.position = "static";
gSpacerForBodyElement.style.width = "";
gSpacerForBodyElement.style.height = "";
} },
];
var description;
var currentTestIndex = -1;
var isXReverted = (aSettings.deltaMultiplierX < 0);
var isYReverted = (aSettings.deltaMultiplierY < 0);
function doNextTest()
{
if (++currentTestIndex >= kTests.length) {
SimpleTest.executeSoon(aCallback);
return;
}
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
var currentTest = kTests[currentTestIndex];
description = "doTestScroll(aSettings=" + aSettings.description + "), " + currentTest.description + ": ";
if (currentTest.prepare) {
currentTest.prepare();
}
synthesizeWheel(gScrollableElement, 10, 10, currentTest.event);
hitEventLoop(function () {
if (currentTest.expected == kNoScroll) {
is(gScrollableElement.scrollTop, 1000, description + "scrolled vertical");
is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal");
} else {
var scrollUp = !isYReverted ? (currentTest.expected & kScrollUp) :
(currentTest.expected & kScrollDown);
var scrollDown = !isYReverted ? (currentTest.expected & kScrollDown) :
(currentTest.expected & kScrollUp);
if (scrollUp) {
ok(gScrollableElement.scrollTop < 1000, description + "not scrolled up, got " + gScrollableElement.scrollTop);
} else if (scrollDown) {
ok(gScrollableElement.scrollTop > 1000, description + "not scrolled down, got " + gScrollableElement.scrollTop);
} else {
is(gScrollableElement.scrollTop, 1000, description + "scrolled vertical");
}
var scrollLeft = !isXReverted ? (currentTest.expected & kScrollLeft) :
(currentTest.expected & kScrollRight);
var scrollRight = !isXReverted ? (currentTest.expected & kScrollRight) :
(currentTest.expected & kScrollLeft);
if (scrollLeft) {
ok(gScrollableElement.scrollLeft < 1000, description + "not scrolled to left, got " + gScrollableElement.scrollLeft);
} else if (scrollRight) {
ok(gScrollableElement.scrollLeft > 1000, description + "not scrolled to right, got " + gScrollableElement.scrollLeft);
} else {
is(gScrollableElement.scrollLeft, 1000, description + "scrolled horizontal");
}
}
if (currentTest.cleanup) {
currentTest.cleanup();
}
doNextTest();
}, 10);
}
doNextTest();
}
function doTestZoom(aSettings, aCallback)
{
if ((aSettings.deltaMultiplierX != 1.0 && aSettings.deltaMultiplierX != -1.0) ||
(aSettings.deltaMultiplierY != 1.0 && aSettings.deltaMultiplierY != -1.0)) {
todo(false, "doTestZoom doesn't support to test with aSettings=" + aSettings.description);
SimpleTest.executeSoon(aCallback);
return;
}
const kNone = 0x00;
const kPositive = 0x01;
const kNegative = 0x02;
const kUseX = 0x10;
const kUseY = 0x20;
const kTests = [
{ description: "by vertical/positive pixel event when its lineOrPageDeltaY is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/positive pixel event when its lineOrPageDeltaY is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kPositive | kUseY },
{ description: "by vertical/negative pixel event when its lineOrPageDeltaY is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/negative pixel event when its lineOrPageDeltaY is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: -8.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNegative | kUseY },
{ description: "by horizotal/positive pixel event when its lineOrPageDeltaX is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by horizotal/positive pixel event when its lineOrPageDeltaX is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kPositive | kUseX },
{ description: "by horizotal/negative pixel event when its lineOrPageDeltaX is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by horizotal/negative pixel event when its lineOrPageDeltaX is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: -8.0, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNegative | kUseX },
{ description: "by z pixel event",
event: { deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 0.0, deltaY: 0.0, deltaZ: 16.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/positive line event when its lineOrPageDeltaY is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/positive line event when its lineOrPageDeltaY is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kPositive | kUseY },
{ description: "by vertical/negative line event when its lineOrPageDeltaY is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/negative line event when its lineOrPageDeltaY is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNegative | kUseY },
{ description: "by horizotal/positive line event when its lineOrPageDeltaX is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by horizotal/positive line event when its lineOrPageDeltaX is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kPositive | kUseX },
{ description: "by horizotal/negative line event when its lineOrPageDeltaX is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by horizotal/negative line event when its lineOrPageDeltaX is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNegative | kUseX },
{ description: "by z line event",
event: { deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/positive page event when its lineOrPageDeltaY is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/positive page event when its lineOrPageDeltaY is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kPositive | kUseY },
{ description: "by vertical/negative page event when its lineOrPageDeltaY is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by vertical/negative page event when its lineOrPageDeltaY is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: -0.5, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: -1,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNegative | kUseY },
{ description: "by horizotal/positive page event when its lineOrPageDeltaX is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by horizotal/positive page event when its lineOrPageDeltaX is 1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 1, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kPositive | kUseX },
{ description: "by horizotal/negative page event when its lineOrPageDeltaX is 0",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
{ description: "by horizotal/negative page event when its lineOrPageDeltaX is -1",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: -0.5, deltaY: 0.0, deltaZ: 0.0,
lineOrPageDeltaX: -1, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNegative | kUseX },
{ description: "by z page event",
event: { deltaMode: WheelEvent.DOM_DELTA_PAGE,
deltaX: 0.0, deltaY: 0.0, deltaZ: 1.0,
lineOrPageDeltaX: 0, lineOrPageDeltaY: 0,
expectedOverflowDeltaX: 0, expectedOverflowDeltaY: 0 },
expected: kNone },
];
var description, currentTest;
var currentTestIndex = -1;
var isXReverted = (aSettings.deltaMultiplierX < 0);
var isYReverted = (aSettings.deltaMultiplierY < 0);
function doNextTest()
{
if (++currentTestIndex >= kTests.length) {
SimpleTest.executeSoon(aCallback);
return;
}
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
currentTest = kTests[currentTestIndex];
description = "doTestZoom(aSettings=" + aSettings.description + "), ";
if (currentTest.expected == kNone) {
description += "Shouldn't ";
} else {
description += "Should ";
}
description += "zoom " + currentTest.description + ": ";
var event = currentTest.event;
event.ctrlKey = true;
synthesizeWheel(gScrollableElement, 10, 10, event);
// NOTE: Zooming might change scrollTop and scrollLeft by rounding fraction.
// This test assume that zoom happens synchronously and scrolling
// happens asynchronously.
var scrollTop = gScrollableElement.scrollTop;
var scrollLeft = gScrollableElement.scrollLeft;
hitEventLoop(function () {
is(gScrollableElement.scrollTop, scrollTop, description + "scrolled vertical");
is(gScrollableElement.scrollLeft, scrollLeft, description + "scrolled horizontal");
if (!(currentTest.expected & (kNegative | kPositive))) {
is(SpecialPowers.getFullZoom(window), 1.0, description + "zoomed");
} else {
var isReverted = (currentTest.expected & kUseX) ? isXReverted :
(currentTest.expected & kUseY) ? isYReverted : false;
if ((!isReverted && (currentTest.expected & kNegative)) ||
(isReverted && (currentTest.expected & kPositive))) {
ok(SpecialPowers.getFullZoom(window) > 1.0,
description + "not zoomed in, got " + SpecialPowers.getFullZoom(window));
} else {
ok(SpecialPowers.getFullZoom(window) < 1.0,
description + "not zoomed out, got " + SpecialPowers.getFullZoom(window));
}
}
synthesizeKey("0", { accelKey: true });
hitEventLoop(doNextTest, 20);
}, 20);
}
doNextTest();
}
function doTestZoomedScroll()
{
function testZoomedPixelScroll()
{
// Reset zoom and store the scroll amount into the data.
synthesizeKey("0", { accelKey: true });
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
// Ensure not to be in reflow.
hitEventLoop(function () {
function handler(aEvent)
{
if (aEvent.axis == MouseScrollEvent.HORIZONTAL_AXIS) {
is(aEvent.detail, 16,
"doTestZoomedScroll: The detail of horizontal MozMousePixelScroll for pixel wheel event is wrong");
} else if (aEvent.axis == MouseScrollEvent.VERTICAL_AXIS) {
is(aEvent.detail, 16,
"doTestZoomedScroll: The detail of vertical MozMousePixelScroll for pixel wheel event is wrong");
} else {
ok(false, "doTestZoomedScroll: The axis of MozMousePixelScroll for pixel wheel event is invalid, got " + aEvent.axis);
}
}
window.addEventListener("MozMousePixelScroll", handler, true);
synthesizeWheel(gScrollableElement, 10, 10,
{ deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 16.0, deltaY: 16.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 });
// wait scrolled actually.
hitEventLoop(function () {
var scrolledX = gScrollableElement.scrollLeft;
var scrolledY = gScrollableElement.scrollTop;
ok(scrolledX > 1000,
"doTestZoomedScroll: scrolledX must be larger than 1000 for pixel wheel event, got " + scrolledX);
ok(scrolledY > 1000,
"doTestZoomedScroll: scrolledY must be larger than 1000 for pixel wheel event, got " + scrolledY);
// Zoom
SpecialPowers.setFullZoom(window, 2.0);
// Ensure not to be in reflow.
hitEventLoop(function () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
synthesizeWheel(gScrollableElement, 10, 10,
{ deltaMode: WheelEvent.DOM_DELTA_PIXEL,
deltaX: 16.0, deltaY: 16.0, lineOrPageDeltaX: 0, lineOrPageDeltaY: 0 });
// wait scrolled actually.
hitEventLoop(function () {
ok(Math.abs(gScrollableElement.scrollLeft - (1000 + (scrolledX - 1000) / 2)) <= 1,
"doTestZoomedScroll: zoomed horizontal scroll amount by pixel wheel event is different from normal, scrollLeft=" +
gScrollableElement.scrollLeft + ", scrolledX=" + scrolledX);
ok(Math.abs(gScrollableElement.scrollTop - (1000 + (scrolledY - 1000) / 2)) <= 1,
"doTestZoomedScroll: zoomed vertical scroll amount by pixel wheel event is different from normal, scrollTop=" +
gScrollableElement.scrollTop + ", scrolledY=" + scrolledY);
window.removeEventListener("MozMousePixelScroll", handler, true);
synthesizeKey("0", { accelKey: true });
testZoomedLineScroll();
}, 20);
}, 20);
}, 20);
}, 20);
}
function testZoomedLineScroll()
{
// Reset zoom and store the scroll amount into the data.
synthesizeKey("0", { accelKey: true });
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
// Ensure not to be in reflow.
hitEventLoop(function () {
var lineHeightX, lineHeightY;
function handler(aEvent)
{
if (aEvent.axis == MouseScrollEvent.HORIZONTAL_AXIS) {
if (lineHeightX == undefined) {
lineHeightX = aEvent.detail;
} else {
ok(Math.abs(aEvent.detail - lineHeightX) <= 1,
"doTestZoomedScroll: The detail of horizontal MozMousePixelScroll for line wheel event is wrong, aEvent.detail=" +
aEvent.detail + ", lineHeightX=" + lineHeightX);
}
} else if (aEvent.axis == MouseScrollEvent.VERTICAL_AXIS) {
if (lineHeightY == undefined) {
lineHeightY = aEvent.detail;
} else {
ok(Math.abs(aEvent.detail - lineHeightY) <= 1,
"doTestZoomedScroll: The detail of vertical MozMousePixelScroll for line wheel event is wrong, aEvent.detail=" +
aEvent.detail + ", lineHeightY=" + lineHeightY);
}
} else {
ok(false, "doTestZoomedScroll: The axis of MozMousePixelScroll for line wheel event is invalid, got " + aEvent.axis);
}
}
window.addEventListener("MozMousePixelScroll", handler, true);
synthesizeWheel(gScrollableElement, 10, 10,
{ deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 });
// wait scrolled actually.
hitEventLoop(function () {
var scrolledX = gScrollableElement.scrollLeft;
var scrolledY = gScrollableElement.scrollTop;
ok(scrolledX > 1000,
"doTestZoomedScroll: scrolledX must be larger than 1000 for line wheel event, got " + scrolledX);
ok(scrolledY > 1000,
"doTestZoomedScroll: scrolledY must be larger than 1000 for line wheel event, got " + scrolledY);
// Zoom
SpecialPowers.setFullZoom(window, 2.0);
// Ensure not to be in reflow.
hitEventLoop(function () {
gScrollableElement.scrollTop = 1000;
gScrollableElement.scrollLeft = 1000;
synthesizeWheel(gScrollableElement, 10, 10,
{ deltaMode: WheelEvent.DOM_DELTA_LINE,
deltaX: 1.0, deltaY: 1.0, lineOrPageDeltaX: 1, lineOrPageDeltaY: 1 });
// wait scrolled actually.
hitEventLoop(function () {
ok(Math.abs(gScrollableElement.scrollLeft - scrolledX) <= 1,
"doTestZoomedScroll: zoomed horizontal scroll amount by line wheel event is different from normal, scrollLeft=" +
gScrollableElement.scrollLeft + ", scrolledX=" + scrolledX);
ok(Math.abs(gScrollableElement.scrollTop - scrolledY) <= 1,
"doTestZoomedScroll: zoomed vertical scroll amount by line wheel event is different from normal, scrollTop=" +
gScrollableElement.scrollTop + ", scrolledY=" + scrolledY);
window.removeEventListener("MozMousePixelScroll", handler, true);
synthesizeKey("0", { accelKey: true });
}, 20);
}, 20);
}, 20);
}, 20);
}
// XXX It's too difficult to test page scroll because the page scroll amount
// is computed by complex logic.
testZoomedPixelScroll();
}
function runTests()
{
SpecialPowers.setBoolPref("general.smoothScroll", false);
SpecialPowers.setIntPref("mousewheel.default.action", 1); // scroll
SpecialPowers.setIntPref("mousewheel.with_shift.action", 2); // history
SpecialPowers.setIntPref("mousewheel.with_control.action", 3); // zoom
const kSettings = [
{ description: "all delta values are not customized",
deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 },
{ description: "deltaX is reverted",
deltaMultiplierX: -1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 },
{ description: "deltaY is reverted",
deltaMultiplierX: 1.0, deltaMultiplierY: -1.0, deltaMultiplierZ: 1.0 },
{ description: "deltaZ is reverted",
deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: -1.0 },
{ description: "deltaX is 2.0",
deltaMultiplierX: 2.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 },
{ description: "deltaY is 2.0",
deltaMultiplierX: 1.0, deltaMultiplierY: 2.0, deltaMultiplierZ: 1.0 },
{ description: "deltaZ is 2.0",
deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 2.0 },
{ description: "deltaX is -2.0",
deltaMultiplierX: -2.0, deltaMultiplierY: 1.0, deltaMultiplierZ: 1.0 },
{ description: "deltaY is -2.0",
deltaMultiplierX: 1.0, deltaMultiplierY: -2.0, deltaMultiplierZ: 1.0 },
{ description: "deltaZ is -2.0",
deltaMultiplierX: 1.0, deltaMultiplierY: 1.0, deltaMultiplierZ: -2.0 },
];
var index = 0;
function doTest() {
setDeltaMultiplierSettings(kSettings[index]);
doTestScroll(kSettings[index], function () {
doTestZoom(kSettings[index], function() {
if (++index == kSettings.length) {
setDeltaMultiplierSettings(kSettings[0]);
doTestZoomedScroll();
finishTests();
} else {
doTest();
}
});
});
}
doTest();
}
function finishTests()
{
SpecialPowers.clearUserPref("general.smoothScroll");
SpecialPowers.clearUserPref("mousewheel.default.action");
SpecialPowers.clearUserPref("mousewheel.with_shift.action");
SpecialPowers.clearUserPref("mousewheel.with_control.action");
SpecialPowers.clearUserPref("mousewheel.default.delta_multiplier_x");
SpecialPowers.clearUserPref("mousewheel.default.delta_multiplier_y");
SpecialPowers.clearUserPref("mousewheel.default.delta_multiplier_z");
SpecialPowers.clearUserPref("mousewheel.with_alt.delta_multiplier_x");
SpecialPowers.clearUserPref("mousewheel.with_alt.delta_multiplier_y");
SpecialPowers.clearUserPref("mousewheel.with_alt.delta_multiplier_z");
SpecialPowers.clearUserPref("mousewheel.with_control.delta_multiplier_x");
SpecialPowers.clearUserPref("mousewheel.with_control.delta_multiplier_y");
SpecialPowers.clearUserPref("mousewheel.with_control.delta_multiplier_z");
SpecialPowers.clearUserPref("mousewheel.with_meta.delta_multiplier_x");
SpecialPowers.clearUserPref("mousewheel.with_meta.delta_multiplier_y");
SpecialPowers.clearUserPref("mousewheel.with_meta.delta_multiplier_z");
SpecialPowers.clearUserPref("mousewheel.with_shift.delta_multiplier_x");
SpecialPowers.clearUserPref("mousewheel.with_shift.delta_multiplier_y");
SpecialPowers.clearUserPref("mousewheel.with_shift.delta_multiplier_z");
SpecialPowers.clearUserPref("mousewheel.with_win.delta_multiplier_x");
SpecialPowers.clearUserPref("mousewheel.with_win.delta_multiplier_y");
SpecialPowers.clearUserPref("mousewheel.with_win.delta_multiplier_z");
window.opener.finish();
}
</script>
</pre>
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