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|
<!DOCTYPE HTML>
<html id="html" style="height:100%">
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=780847
https://bugzilla.mozilla.org/show_bug.cgi?id=1733509
-->
<head>
<title>Test radii for mouse events</title>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="/tests/gfx/layers/apz/test/mochitest/apz_test_utils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<style>
.target { position:absolute; left:100px; top:100px; width:100px; height:100px; background:blue; }
.scaled { background: green; transform: scale(0.5); }
iframe { margin:0; padding:0; width:50; height:50; border:1px solid black; background:yellowgreen; }
</style>
</head>
<body id="body" onload="setTimeout(startTest, 0)" style="margin:0; width:100%; height:100%; overflow:hidden">
<p id="display"></p>
<div id="content">
<!-- We make the `t` target shorter than normal in case because we test the
bottom edge fluffing on this element, and the test page may be hosted
inside a short iframe in the test harness on some platforms.
-->
<div class="target" style="height:80px" id="t" onmousedown="x=1"></div>
<div class="target" id="t2" hidden></div>
<input class="target" id="t3_1" hidden inputMode="none"></input>
<a href="#" class="target" id="t3_2" hidden></a>
<label class="target" id="t3_3" hidden></label>
<button class="target" id="t3_4" hidden></button>
<select class="target" id="t3_5" hidden></select>
<textarea class="target" id="t3_6" hidden inputMode="none"></textarea>
<div role="button" class="target" id="t3_7" hidden></div>
<div role="key" class="target" id="t3_8" hidden></div>
<img class="target" id="t3_9" hidden></img>
<div class="target" style="transform:translate(-80px,0);" id="t4" onmousedown="x=1" hidden></div>
<div class="target" style="left:0; z-index:1" id="t5_left" onmousedown="x=1" hidden></div>
<div class="target" style="left:106px;" id="t5_right" onmousedown="x=1" hidden></div>
<div class="target" style="left:0; top:210px;" id="t5_below" onmousedown="x=1" hidden></div>
<div class="target" id="t6" onmousedown="x=1" style="width: 300px" hidden>
<div id="t6_inner" style="position:absolute; left:-40px; top:20px; width:60px; height:60px; background:yellow;"></div>
<div id="t6_inner_clickable" style="position:absolute; left:-40px; top: 80px; width: 60px; height: 5px; background:red" onmousedown="x=1"></div>
</div>
<div id="t6_outer" style="position:absolute; left:360px; top:120px; width:60px; height:60px; background:green;" onmousedown="x=1" hidden></div>
<div class="target" id="t7" onmousedown="x=1" hidden></div>
<div class="target" id="t7_over" hidden></div>
<div id="t8" contenteditable="true" class="target" hidden inputMode="none"></div>
<div id="t9" class="target" ontouchend="x=1" hidden></div>
<div id="t10_left" class="target" style="left:-50px;" onmousedown="x=1" hidden></div>
<div id="t10_right" class="target" style="left:auto;right:-50px" onmousedown="x=1" hidden></div>
<div id="t10_top" class="target" style="top:-50px;" onmousedown="x=1" hidden></div>
<div id="t10_bottom" class="target" style="top:auto;bottom:-50px;" onmousedown="x=1" hidden></div>
<div id="t10_over" style="position:absolute; left:0; top:0; width:100%; height:100%; background:yellow;" hidden></div>
<div id="t11" class="target" style="cursor:pointer" hidden></div>
<div id="t11_with_child" class="target" style="cursor:pointer" hidden><div id="t11_child" style="width:100px; height:100px; background:green;"></div></div>
<div id="t11_covered" class="target" style="cursor:pointer" hidden><div id="t11_coverer" style="width:100px; height:100px; background:green; cursor:text"></div></div>
<div id="t12" class="target" hidden>
<input id="t12_input" style="width: 100px; height: 20px; border: 0; padding: 0"></input>
<div id="t12_zisland" style="width: 100px; height: 50px; position:relative; z-index: 5">
<div id="t12_target" style="width: 100px; height: 20px; background-color: green"></div>
</div>
</div>
<div id="t13" class="target" style="cursor:pointer" hidden>
<div id="t13_touchlistener" style="width: 50px; height: 50px; background:red" ontouchend="x=1"></div>
<div id="t13_notouchlistener" style="width: 50px; height: 50px; background:green"></div>
</div>
<div id="t14" class="target scaled" hidden>
<iframe id="t14iframe"></iframe>
</div>
<div id="t15" class="target" onmousedown="x=1" style="padding: 50px" hidden>
<div id="t15_touchListener" ontouchend="x=1" style="width: 50px; height: 50px; background: lightcyan;"></div>
</div>
<div id="t16" class="target" ontouchend="x=1" style="padding: 50px" hidden>
<div id="t16_mouseListener" onmousedown="x=1" style="width: 50px; height: 50px; background: lightcyan;"></div>
</div>
</div>
<pre id="test">
<script type="application/javascript">
function startTest() {
SpecialPowers.pushPrefEnv({"set": [["ui.mouse.radius.enabled", true],
["ui.mouse.radius.inputSource.touchOnly", false],
["ui.mouse.radius.leftmm", 12],
["ui.mouse.radius.topmm", 4],
["ui.mouse.radius.rightmm", 4],
["ui.mouse.radius.bottommm", 4],
["ui.mouse.radius.visitedweight", 50]]}, runTest);
}
SimpleTest.waitForExplicitFinish();
let oldResolution = 1.0;
function endTest() {
if (navigator.appVersion.includes("Android")) {
// Restore any resolution that was changed at the end of the test.
let topUtils = SpecialPowers.getDOMWindowUtils(window.top);
topUtils.setResolutionAndScaleTo(oldResolution);
}
SimpleTest.finish();
}
var eventTarget;
window.onmousedown = function(event) { eventTarget = event.target; };
function testMouseClick(idPosition, dx, dy, idTarget, msg, options) {
eventTarget = null;
synthesizeMouse(document.getElementById(idPosition), dx, dy, options || {});
try {
is(eventTarget.id, idTarget,
"checking '" + idPosition + "' offset " + dx + "," + dy + " [" + msg + "]");
} catch (ex) {
ok(false, "checking '" + idPosition + "' offset " + dx + "," + dy + " [" + msg + "]; got " + eventTarget);
}
}
var touchTarget;
document.addEventListener('touchstart', event => { touchTarget = event.target; });
function testTouch(idPosition, dx, dy, idTarget, msg, options) {
touchTarget = null;
synthesizeTouch(document.getElementById(idPosition), dx, dy, options || {});
try {
is(touchTarget.id, idTarget,
"checking '" + idPosition + "' offset " + dx + "," + dy + " [" + msg + "]");
} catch (ex) {
ok(false, "checking '" + idPosition + "' offset " + dx + "," + dy + " [" + msg + "]; got " + touchTarget);
}
}
function setShowing(id, show) {
var e = document.getElementById(id);
e.hidden = !show;
}
var mm;
function runTest() {
let resolution = 1;
if (navigator.appVersion.includes("Android")) {
// Choose a roundish number for the resolution so that the "midpoint" test below
// doesn't mis-target an element due to rounding error.
let desiredResolution = 0.75;
let topUtils = SpecialPowers.getDOMWindowUtils(window.top);
// Save the old resolution for restoration at the end of the test.
oldResolution = topUtils.getResolution();
topUtils.setResolutionAndScaleTo(desiredResolution);
// This test runs on Android, zoomed out. Therefore we need to account
// for the resolution as well, because the fluff area is relative to screen
// pixels rather than CSS pixels.
resolution = topUtils.getResolution();
// Make sure we were actually able to zoom out to the desired level.
ok(resolution == desiredResolution, "Resolution is " + resolution);
}
mm = SpecialPowers.getDOMWindowUtils(window.top).physicalMillimeterInCSSPixels / resolution;
ok(4*mm >= 10, "WARNING: mm " + mm + " too small in this configuration. Test results will be bogus");
// Test basic functionality: clicks sufficiently close to the element
// should be allowed to hit the element. We test points just inside and
// just outside the edges we set up in the prefs.
testMouseClick("t", 100 + 13*mm, 10, "body", "basic functionality");
testMouseClick("t", 100 + 11*mm, 10, "t", "basic functionality");
testMouseClick("t", 10, 80 + 5*mm, "body", "basic functionality");
testMouseClick("t", 10, 80 + 3*mm, "t", "basic functionality");
testMouseClick("t", -5*mm, 10, "body", "basic functionality");
testMouseClick("t", -3*mm, 10, "t", "basic functionality");
testMouseClick("t", 10, -5*mm, "body", "basic functionality");
testMouseClick("t", 10, -3*mm, "t", "basic functionality");
// When inputSource.touchOnly is true, mouse input is not retargeted.
SpecialPowers.pushPrefEnv({"set": [["ui.mouse.radius.inputSource.touchOnly", true]]}, test2);
}
function test2() {
testMouseClick("t", 100 + 11*mm, 10, "body", "disabled for mouse input");
testMouseClick("t", 100 + 11*mm, 10, "t", "enabled for touch input", {
inputSource: MouseEvent.MOZ_SOURCE_TOUCH
});
testMouseClick("t", 100 + 13*mm, 10, "body", "basic functionality for touch", {
inputSource: MouseEvent.MOZ_SOURCE_TOUCH
});
SpecialPowers.pushPrefEnv({"set": [["ui.mouse.radius.inputSource.touchOnly", false]]}, test3);
}
function test3() {
setShowing("t", false);
// Now test the criteria we use to determine which elements are hittable
// this way.
setShowing("t2", true);
var t2 = document.getElementById("t2");
// Unadorned DIVs are not click radius targets
testMouseClick("t2", 100 + 11*mm, 10, "body", "unadorned DIV");
// DIVs with the right event handlers are click radius targets
t2.onmousedown = function() {};
testMouseClick("t2", 100 + 11*mm, 10, "t2", "DIV with onmousedown");
t2.onmousedown = null;
testMouseClick("t2", 100 + 11*mm, 10, "body", "DIV with onmousedown removed");
t2.onmouseup = function() {};
testMouseClick("t2", 100 + 11*mm, 10, "t2", "DIV with onmouseup");
t2.onmouseup = null;
t2.onclick = function() {};
testMouseClick("t2", 100 + 11*mm, 10, "t2", "DIV with onclick");
t2.onclick = null;
t2.onpointerdown = function() {};
testMouseClick("t2", 100 + 11*mm, 10, "t2", "DIV with onpointerdown");
t2.onpointerdown = null;
testMouseClick("t2", 100 + 11*mm, 10, "body", "DIV with onpointerdown removed");
t2.onpointerup = function() {};
testMouseClick("t2", 100 + 11*mm, 10, "t2", "DIV with onpointerup");
t2.onpointerup = null;
testMouseClick("t2", 100 + 11*mm, 10, "body", "DIV with onpointerup removed");
// Keypresses don't make click radius targets
t2.onkeypress = function() {};
testMouseClick("t2", 100 + 11*mm, 10, "body", "DIV with onkeypress");
t2.onkeypress = null;
setShowing("t2", false);
// Now check that certain elements are click radius targets and others are not
for (var i = 1; i <= 9; ++i) {
var id = "t3_" + i;
var shouldHit = i <= 8;
setShowing(id, true);
testMouseClick(id, 100 + 11*mm, 10, shouldHit ? id : "body",
"<" + document.getElementById(id).tagName + "> element");
setShowing(id, false);
}
// Check that our targeting computations take into account the effects of
// CSS transforms
setShowing("t4", true);
testMouseClick("t4", -1, 10, "t4", "translated DIV");
setShowing("t4", false);
// Test the prioritization of multiple targets based on distance to
// the target.
setShowing("t5_left", true);
setShowing("t5_right", true);
setShowing("t5_below", true);
testMouseClick("t5_left", 102, 10, "t5_left", "closest DIV is left");
testMouseClick("t5_left", 102.5, 10, "t5_left",
"closest DIV to midpoint is left because of its higher z-index");
testMouseClick("t5_left", 104, 10, "t5_right", "closest DIV is right");
testMouseClick("t5_left", 10, 104, "t5_left", "closest DIV is left");
testMouseClick("t5_left", 10, 105, "t5_left",
"closest DIV to midpoint is left because of its higher z-index");
testMouseClick("t5_left", 10, 106, "t5_below", "closest DIV is below");
setShowing("t5_left", false);
setShowing("t5_right", false);
setShowing("t5_below", false);
// Test behavior of nested elements.
// The following behaviors are questionable and may need to be changed.
setShowing("t6", true);
setShowing("t6_outer", true);
testMouseClick("t6_inner", -1, 10, "t6_inner",
"inner element is clickable because its parent is, even when it sticks outside parent");
testMouseClick("t6_inner", 39, -1, "t6_inner",
"when outside both inner and parent, but in range of both, the inner is selected");
testMouseClick("t6_inner", 45, -1, "t6_inner",
"clicking in clickable parent close to inner activates inner, not parent");
testMouseClick("t6_inner_clickable", 1, -1, "t6_inner",
"clicking on inner doesn't get redirected to inner_clickable because they are both clickable");
testMouseClick("t6_inner_clickable", 1, 1, "t6_inner_clickable",
"clicking on inner_clickable doesn't get redirected to inner because they are both clickable");
testMouseClick("t6_inner_clickable", 45, -1, "t6_inner",
"clicking on inner while backed by its parent still doesn't get redirected to inner_clickable");
testMouseClick("t6_inner_clickable", 45, 1, "t6_inner_clickable",
"clicking on inner_clickable while backed by its parent still doesn't get redirected to inner");
testMouseClick("t6_inner_clickable", 45, 6, "t6_inner_clickable",
"clicking on parent near inner_clickable gets redirected to inner_clickable rather than inner because it is closer");
// 280 is the distance from t6_inner's right edge to t6's right edge
// 240 is the distance from t6_inner's right edge to t6_outer's right edge.
// we want to click on t6, but at least 13mm away from t6_inner, so that
// t6_inner doesn't steal the click.
ok(13*mm < 280, "no point inside t6 that's not within radius of t6_inner; adjust layout of t6/inner/outer as needed");
testMouseClick("t6_outer", -240 + 13*mm, -1, "t6",
"clicking in clickable container close to outer activates parent, not outer");
testMouseClick("t6_outer", 1, 1, "t6_outer",
"clicking directly on the outer activates it");
setShowing("t6", false);
setShowing("t6_outer", false);
setShowing("t7", true);
setShowing("t7_over", true);
testMouseClick("t7", 100 + 11*mm, 10, "body", "covered div is not clickable");
testMouseClick("t7", 10, 10, "t7_over", "covered div is not clickable even within its bounds");
setShowing("t7", false);
setShowing("t7_over", false);
// Check that contenteditable elements are considered clickable for fluffing.
setShowing("t8", true);
var rect = document.getElementById("t8").getBoundingClientRect();
testMouseClick("t8", rect.left + 1, rect.top + 1, "t8", "content editable enabled for mouse input");
testMouseClick("t8", rect.left + 1, rect.top + 1, "t8", "content editable enabled for touch input", {
inputSource: MouseEvent.MOZ_SOURCE_TOUCH
});
setShowing("t8", false);
// Check that elements are touchable
setShowing("t9", true);
var rect = document.getElementById("t9").getBoundingClientRect();
testMouseClick("t9", rect.left + 1, rect.top + 1, "t9", "div enabled with mouse input");
testMouseClick("t9", rect.left + 1, rect.top + 1, "t9", "div enabled with touch input", {
inputSource: MouseEvent.MOZ_SOURCE_TOUCH
});
setShowing("t9", false);
setShowing("t10_over", true);
setShowing("t10_left", true);
setShowing("t10_right", true);
setShowing("t10_top", true);
setShowing("t10_bottom", true);
testMouseClick("t10_left", 51, 10, "t10_over", "element outside of visible area is not selected");
if (self.frameElement &&
(self.frameElement.offsetLeft + self.innerWidth >
SpecialPowers.wrap(top).innerWidth)) {
info("WARNING: Window is too narrow, can't test t10_right");
} else {
testMouseClick("t10_right", 49, 10, "t10_over", "element outside of visible area is not selected");
}
testMouseClick("t10_top", 10, 51, "t10_over", "element outside of visible area is not selected");
if (self.frameElement &&
(self.frameElement.offsetTop + self.innerHeight >
SpecialPowers.wrap(top).innerHeight)) {
info("WARNING: Window is too short, can't test t10_bottom");
} else {
testMouseClick("t10_bottom", 10, 49, "t10_over", "element outside of visible area is not selected");
}
setShowing("t10_over", false);
setShowing("t10_left", false);
setShowing("t10_right", false);
setShowing("t10_top", false);
setShowing("t10_bottom", false);
setShowing("t11", true);
testMouseClick("t11", 100 + 11*mm, 10, "t11",
"Elements with cursor:pointer are fluff targets");
setShowing("t11", false);
setShowing("t11_with_child", true);
testMouseClick("t11_with_child", 100 + 11*mm, 10, "t11_child",
"Elements that inherit cursor:pointer are fluff targets");
setShowing("t11_with_child", false);
setShowing("t11_covered", true);
testMouseClick("t11_covered", 100 + 11*mm, 10, "body",
"Elements that override an inherited cursor:pointer are not fluff targets");
setShowing("t11_covered", false);
setShowing("t12", true);
testMouseClick("t12_target", 1, 1, "t12_target",
"Event retargeting should not escape out from a z-index ancestor");
setShowing("t12", false);
// Click empty area of textarea
let textarea = document.getElementById("t3_6");
textarea.value = "foo bar baz\nfoo"
textarea.style.height = "3.3em";
textarea.style.lineHeight = "1.1";
setShowing("t3_6", true);
textarea.selectionStart = 0;
synthesizeMouseAtCenter(textarea, {});
is(textarea.selectionStart, textarea.value.length,
"selection should be set to last character");
textarea.value = ""
textarea.style.height = "auto";
textarea.style.lineHeight = "";
setShowing("t3_6", false);
// Not yet tested:
// -- visited link weight
// -- "Closest" using Euclidean distance
SpecialPowers.pushPrefEnv({"set": [["dom.w3c_touch_events.enabled", 1],
["ui.touch.radius.enabled", true],
["ui.touch.radius.leftmm", 12],
["ui.touch.radius.topmm", 4],
["ui.touch.radius.rightmm", 4],
["ui.touch.radius.bottommm", 4],
["ui.touch.radius.visitedweight", 50]]}, testTouchable);
}
function testTouchable() {
const kClickableIsTouchableForSingleTap =
SpecialPowers.getBoolPref("ui.touch.radius.single_touch.treat_clickable_as_touchable");
// Element "t" has a mousedown listener but no touch listener. However, the
// touch target will be captured implicitly if nobody sets pointer capture
// explicitly. Additionally, the fallback click event target will be the
// implicitly capture element. Therefore, the touches that land immediately
// outside "t" should hit "t".
setShowing("t", true);
var rect = document.getElementById("t").getBoundingClientRect();
testTouch("t", rect.width - 1, 10, "t", "touch inside t right edge");
testTouch(
"t",
rect.width + 1,
10,
kClickableIsTouchableForSingleTap ? "t" : "body",
"touch outside t right edge"
);
testTouch("t", 10, rect.height - 1, "t", "touch inside t bottom edge");
testTouch(
"t",
10,
rect.height + 1,
kClickableIsTouchableForSingleTap ? "t" : "body",
"touch outside t bottom edge"
);
testTouch("t", 1, 10, "t", "touch inside t left edge");
testTouch(
"t",
-1,
10,
kClickableIsTouchableForSingleTap ? "t" : "body",
"touch outside t left edge"
);
testTouch("t", 10, 1, "t", "touch inside t top edge");
testTouch(
"t",
10,
-1,
kClickableIsTouchableForSingleTap ? "t" : "body",
"touch outside t top edge"
);
setShowing("t", false);
// Element "t9" has a touchend listener, so touches within the radius
// distance from it should hit it.
setShowing("t9", true);
testTouch("t9", -5*mm, 10, "body", "touch outside t9 left edge radius");
testTouch("t9", -3*mm, 10, "t9", "touch inside t9 left edge radius");
setShowing("t9", false);
// Element "t13" is clickable, so touches on descendants should not get retargeted.
// In particular, the touch that lands on t13_notouchlistener but within the touch radius
// of t13_touchlistener should not get retargeted.
setShowing("t13", true);
testTouch("t13", 10, 50 + (2*mm), "t13_notouchlistener", "touch outside t13_touchlistener bottom edge");
testTouch("t13", 10, 50 - (2*mm), "t13_touchlistener", "touch inside t13_touchlistener bottom edge");
setShowing("t13", false);
// Element "t15" is clickable. When both inside/outside its touchable child
// should get retargeted to the touchable child since the touch event listener
// is rawer input event listener than mouse event listener.
// XXX It might be better to use the parent. If you know some web-compat
// issues, feel free to change these expectations.
setShowing("t15", true);
rect = document.getElementById("t15_touchListener").getBoundingClientRect();
testTouch("t15_touchListener", rect.width - 1, 10, "t15_touchListener", "touch inside t15_touchListener right edge");
testTouch("t15_touchListener", rect.width + 1, 10, "t15_touchListener", "touch outside t15_touchListener right edge");
testTouch("t15_touchListener", 10, rect.height - 1, "t15_touchListener", "touch inside t15_touchListener bottom edge");
testTouch("t15_touchListener", 10, rect.height + 1, "t15_touchListener", "touch outside t15_touchListener bottom edge");
testTouch("t15_touchListener", 1, 10, "t15_touchListener", "touch inside t15_touchListener left edge");
testTouch("t15_touchListener", -1, 10, "t15_touchListener", "touch outside t15_touchListener left edge");
testTouch("t15_touchListener", 10, 1, "t15_touchListener", "touch inside t15_touchListener top edge");
testTouch("t15_touchListener", 10, -1, "t15_touchListener", "touch outside t15_touchListener top edge");
setShowing("t15", false);
// Element "t16" is touchable. When inside its clickable child should get
// retargeted to the parent touchable to prefer the touch event listener since
// it's a rawer input event listener.
// XXX It might be better to use the parent. If you know some web-compat
// issues, feel free to change these expectations.
setShowing("t16", true);
rect = document.getElementById("t16_mouseListener").getBoundingClientRect();
testTouch("t16", rect.width - 1, 10, "t16", "touch inside t16 right edge");
testTouch("t16", rect.width + 1, 10, "t16", "touch outside t16 right edge");
testTouch("t16", 10, rect.height - 1, "t16", "touch inside t16 bottom edge");
testTouch("t16", 10, rect.height + 1, "t16", "touch outside t16 bottom edge");
testTouch("t16", 1, 10, "t16", "touch inside t16 left edge");
testTouch("t16", -1, 10, "t16", "touch outside t16 left edge");
testTouch("t16", 10, 1, "t16", "touch inside t16 top edge");
testTouch("t16", 10, -1, "t16", "touch outside t16 top edge");
setShowing("t16", false);
test4();
}
// https://bugzilla.mozilla.org/show_bug.cgi?id=1733509
function test4() {
// Skip non-Fission for now because of bug 1890522
if (SpecialPowers.Services.appinfo.fissionAutostart) {
waitUntilApzStable().then(async () => doTest4()).then(endTest);
} else {
endTest();
}
}
async function doTest4() {
setShowing("t14", true);
let iframeURL = SimpleTest.getTestFileURL("helper_bug1733509.html");
// todo: Also perform this test for an in-process iframe
// once bug 1890522 is fixed.
const iframe = document.querySelector("#t14iframe");
iframeURL = iframeURL.replace(window.location.origin, "https://example.com");
await setupIframe(iframe, iframeURL);
var result = await SpecialPowers.spawn(iframe, [], async () => {
await content.wrappedJSObject.waitUntilApzStable();
var iframeEventTarget = null;
content.window.onmousedown = function (event) { iframeEventTarget = event.target; };
content.wrappedJSObject.synthesizeMouse(content.document.documentElement, 2, 2, {});
return iframeEventTarget && iframeEventTarget.id === "btn";
});
ok(result, "Failed to target button inside iframe");
setShowing("t14", false);
}
async function setupIframe(aIFrame, aURL) {
const iframeLoadPromise = promiseOneEvent(aIFrame, "load", null);
aIFrame.src = aURL;
await iframeLoadPromise;
await SpecialPowers.spawn(aIFrame, [], async () => {
await content.wrappedJSObject.waitUntilApzStable();
await SpecialPowers.contentTransformsReceived(content);
});
}
</script>
</pre>
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