<!DOCTYPEHTML>
<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>
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 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);
}
// 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");
function testTouchable() {
// Element "t" has a mousedown listener but no touch listener. So the touches
// that land immediately outside "t" should not hit "t"; only the touches
// directly aimed at "t" should hit it.
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, "body", "touch outside t right edge");
testTouch("t", 10, rect.height - 1, "t", "touch inside t bottom edge");
testTouch("t", 10, rect.height + 1, "body", "touch outside t bottom edge");
testTouch("t", 1, 10, "t", "touch inside t left edge");
testTouch("t", -1, 10, "body", "touch outside t left edge");
testTouch("t", 10, 1, "t", "touch inside t top edge");
testTouch("t", 10, -1, "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);
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);
}
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