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<?xml version="1.0"?>
<!DOCTYPE HTML>
<html xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Mouse Capture Tests</title>
<link rel="stylesheet" href="chrome://global/skin/global.css" type="text/css"/>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
</head>
<body id="body" xmlns="http://www.w3.org/1999/xhtml">
<p id="display"/><div id="content" style="display: none"/><pre id="test"/>
<script><![CDATA[
SimpleTest.expectAssertions(6, 12);
SimpleTest.waitForExplicitFinish();
const TEST_PATH = location.href.replace("test_mousecapture.xhtml", "");
var captureRetargetMode = false;
var cachedMouseDown = null;
var previousWidth = 0, originalWidth = 0;
var loadInWindow = false;
/**
* We'll make sure to suppress any dragstart events and prevent them
* from reaching the widget layer to avoid this assertion:
* https://searchfox.org/mozilla-central/rev/47aea2f603cc18144afcedbd604a418f11e90f9b/widget/nsBaseDragService.cpp#341-355
*/
addEventListener("dragstart", e => {
e.preventDefault();
e.stopPropagation();
});
function splitterCallback(adjustment) {
var newWidth = parseInt($("leftbox").style.width); // getBoundingClientRect().width;
var expectedWidth = previousWidth + adjustment;
if (expectedWidth > $("splitterbox").getBoundingClientRect().width)
expectedWidth = $("splitterbox").getBoundingClientRect().width - $("splitter").getBoundingClientRect().width;
is(newWidth, expectedWidth, "splitter left box size (" + adjustment + ")");
previousWidth = newWidth;
}
function selectionCallback(adjustment) {
if (adjustment == 4000) {
is(frames[0].getSelection().toString(), "This is some text", "selection after drag (" + adjustment + ")");
ok(frames[0].scrollY > 40, "selection caused scroll down (" + adjustment + ")");
} else {
if (adjustment == 0) {
is(frames[0].getSelection().toString(), ".", "selection after drag (" + adjustment + ")");
}
is(frames[0].scrollY, 0, "selection scrollY (" + adjustment + ")");
}
}
function framesetCallback(adjustment) {
var newWidth = frames[1].frames[0].document.documentElement.clientWidth;
var expectedWidth = originalWidth + adjustment;
if (adjustment == 0)
expectedWidth = originalWidth - 12;
else if (expectedWidth >= 4000)
expectedWidth = originalWidth * 2 - 2;
ok(Math.abs(newWidth - expectedWidth) <= 1, "frameset after drag (" + adjustment + "), new width " + newWidth + ", expected " + expectedWidth);
}
var otherWindow = null;
function selectionScrollCheck() {
var element = otherWindow.document.documentElement;
var count = 0;
let previousScrollPosition = 0;
function selectionScrollDone() {
// Don't count unchanged scroll position.
// There's a bug that scroll events get fired during reconstructing scroll
// frames even if the scroll position is unchanged (bug 1825470). We need to
// ignore the unchanged scroll events here.
if (otherWindow.scrollY == previousScrollPosition) {
return;
}
previousScrollPosition = otherWindow.scrollY;
// wait for 6 scroll events to occur
if (count++ < 6) {
return;
}
otherWindow.removeEventListener("scroll", selectionScrollDone);
var selectedText = otherWindow.getSelection().toString().replace(/\r/g, "");
// We trim the end of the string because, per the below comment, we might
// select additional newlines, and that's OK.
is(selectedText.trimEnd(), "One\n\nTwo", "text is selected");
// should have scrolled 20 pixels from the mousemove above and at least 6
// extra 20-pixel increments from the selection scroll timer. "At least 6"
// because we waited for 6 scroll events but multiple scrolls could get
// coalesced into a single scroll event, and paints could be delayed when
// the window loads when the compositor is busy. As a result, we have no
// real guarantees about the upper bound here, and as the upper bound is
// not important for what we're testing here, we don't check it.
var scrollY = otherWindow.scrollY;
info(`Scrolled ${scrollY} pixels`);
ok(scrollY >= 140, "selection scroll position after timer is at least 140");
ok((scrollY % 20) == 0, "selection scroll position after timer is multiple of 20");
synthesizeMouse(element, 4, otherWindow.innerHeight + 25, { type: "mouseup" }, otherWindow);
disableNonTestMouseEvents(false);
otherWindow.close();
if (loadInWindow) {
SimpleTest.finish();
} else {
// now try again, but open the page in a new window
loadInWindow = true;
synthesizeMouse(document.getElementById("custom"), 2, 2, { type: "mousedown" });
// check to ensure that selection dragging scrolls the right scrollable area
otherWindow = window.open(TEST_PATH + "file_mousecapture.html", "_blank", "width=200,height=200,scrollbars=yes");
SimpleTest.waitForFocus(selectionScrollCheck, otherWindow);
}
}
SimpleTest.executeSoon(function() {
disableNonTestMouseEvents(true);
synthesizeMouse(element, 2, 2, { type: "mousedown" }, otherWindow);
synthesizeMouse(element, 100, otherWindow.innerHeight + 20, { type: "mousemove" }, otherWindow);
otherWindow.addEventListener("scroll", selectionScrollDone);
});
}
function runTests() {
previousWidth = $("leftbox").getBoundingClientRect().width;
runCaptureTest($("splitter"), splitterCallback);
var custom = document.getElementById("custom");
runCaptureTest(custom);
synthesizeMouseExpectEvent($("rightbox"), 2, 2, { type: "mousemove" },
$("rightbox"), "mousemove", "setCapture and releaseCapture");
custom.setCapture();
synthesizeMouseExpectEvent($("leftbox"), 2, 2, { type: "mousemove" },
$("leftbox"), "mousemove", "setCapture fails on non mousedown");
var custom2 = document.getElementById("custom2");
synthesizeMouse(custom2, 2, 2, { type: "mousedown" });
synthesizeMouseExpectEvent($("leftbox"), 2, 2, { type: "mousemove" },
$("leftbox"), "mousemove", "document.releaseCapture releases capture");
var custom3 = document.getElementById("custom3");
synthesizeMouse(custom3, 2, 2, { type: "mousedown" });
synthesizeMouseExpectEvent($("leftbox"), 2, 2, { type: "mousemove" },
$("leftbox"), "mousemove", "element.releaseCapture releases capture");
var custom4 = document.getElementById("custom4");
synthesizeMouse(custom4, 2, 2, { type: "mousedown" });
synthesizeMouseExpectEvent($("leftbox"), 2, 2, { type: "mousemove" },
custom4, "mousemove", "element.releaseCapture during mousemove before releaseCapture");
synthesizeMouseExpectEvent($("leftbox"), 2, 2, { type: "mousemove" },
$("leftbox"), "mousemove", "element.releaseCapture during mousemove after releaseCapture");
var custom5 = document.getElementById("custom5");
runCaptureTest(custom5);
captureRetargetMode = true;
runCaptureTest(custom5);
captureRetargetMode = false;
var custom6 = document.getElementById("custom6");
synthesizeMouse(custom6, 2, 2, { type: "mousedown" });
synthesizeMouseExpectEvent($("leftbox"), 2, 2, { type: "mousemove" },
$("leftbox"), "mousemove", "setCapture only works on elements in documents");
synthesizeMouse(custom6, 2, 2, { type: "mouseup" });
// test that mousedown on an image with setCapture followed by a big enough
// mouse move does not start a drag (bug 517737)
var image = document.getElementById("image");
image.scrollIntoView();
synthesizeMouse(image, 2, 2, { type: "mousedown" });
synthesizeMouseExpectEvent($("leftbox"), 2, 2, { type: "mousemove" },
image, "mousemove", "setCapture works on images");
synthesizeMouse(image, 2, 2, { type: "mouseup" });
window.scroll(0, 0);
// save scroll
var scrollX = parent ? parent.scrollX : 0;
var scrollY = parent ? parent.scrollY : 0;
// restore scroll
if (parent) parent.scroll(scrollX, scrollY);
// frames[0].getSelection().collapseToStart();
var body = frames[0].document.body;
var fixed = frames[0].document.getElementById("fixed");
function captureOnBody() { body.setCapture(); }
body.addEventListener("mousedown", captureOnBody, true);
synthesizeMouse(body, 8, 8, { type: "mousedown" }, frames[0]);
body.removeEventListener("mousedown", captureOnBody, true);
synthesizeMouseExpectEvent(fixed, 2, 2, { type: "mousemove" },
fixed, "mousemove", "setCapture on body retargets to root node", frames[0]);
synthesizeMouse(body, 8, 8, { type: "mouseup" }, frames[0]);
previousWidth = frames[1].frames[0].document.documentElement.clientWidth;
originalWidth = previousWidth;
runCaptureTest(frames[1].document.documentElement.lastElementChild, framesetCallback);
// ensure that clicking on an element where the frame disappears doesn't crash
synthesizeMouse(frames[2].document.getElementById("input"), 8, 8, { type: "mousedown" }, frames[2]);
synthesizeMouse(frames[2].document.getElementById("input"), 8, 8, { type: "mouseup" }, frames[2]);
var select = document.getElementById("select");
select.scrollIntoView();
synthesizeMouse(document.getElementById("option3"), 2, 2, { type: "mousedown" });
synthesizeMouse(document.getElementById("option3"), 2, 1000, { type: "mousemove" });
is(select.selectedIndex, 2, "scroll select");
synthesizeMouse(document.getElementById("select"), 2, 2, { type: "mouseup" });
window.scroll(0, 0);
synthesizeMouse(custom, 2, 2, { type: "mousedown" });
// check to ensure that selection dragging scrolls the right scrollable area.
// This should open the page in a new tab.
var topPos = window.innerHeight;
otherWindow = window.open(TEST_PATH + "file_mousecapture2.html?topPos=" + topPos, "_blank");
SimpleTest.waitForFocus(selectionScrollCheck, otherWindow);
}
function runCaptureTest(element, callback) {
var expectedTarget = null;
// ownerGlobal doesn't exist in content privileged windows.
// eslint-disable-next-line mozilla/use-ownerGlobal
var win = element.ownerDocument.defaultView;
function mouseMoved(event) {
is(event.originalTarget, expectedTarget,
expectedTarget.id + " target for point " + event.clientX + "," + event.clientY);
}
win.addEventListener("mousemove", mouseMoved);
expectedTarget = element;
var basepoint = element.localName == "frameset" ? 50 : 2;
synthesizeMouse(element, basepoint, basepoint, { type: "mousedown" }, win);
// in setCapture(true) mode, all events should fire on custom5. In
// setCapture(false) mode, events can fire at a descendant
if (expectedTarget == $("custom5") && !captureRetargetMode)
expectedTarget = $("custom5spacer");
// releaseCapture should do nothing for an element which isn't capturing
$("splitterbox").releaseCapture();
synthesizeMouse(element, basepoint + 2, basepoint + 2, { type: "mousemove" }, win);
if (callback)
callback(2);
if (expectedTarget == $("custom5spacer") && !captureRetargetMode)
expectedTarget = $("custom5inner");
if (element.id == "b") {
var tooltip = document.getElementById("tooltip");
tooltip.openPopup();
tooltip.hidePopup();
}
synthesizeMouse(element, basepoint + 25, basepoint + 25, { type: "mousemove" }, win);
if (callback)
callback(25);
expectedTarget = element.localName == "b" ? win.document.documentElement : element;
synthesizeMouse(element, basepoint + 4000, basepoint + 4000, { type: "mousemove" }, win);
if (callback)
callback(4000);
synthesizeMouse(element, basepoint - 12, basepoint - 12, { type: "mousemove" }, win);
if (callback)
callback(-12);
expectedTarget = element.localName == "frameset" ? element : win.document.documentElement;
synthesizeMouse(element, basepoint + 30, basepoint + 30, { type: "mouseup" }, win);
synthesizeMouse(win.document.documentElement, 2, 2, { type: "mousemove" }, win);
if (callback)
callback(0);
win.removeEventListener("mousemove", mouseMoved);
}
SimpleTest.waitForFocus(runTests);
]]>
</script>
<xul:vbox xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" align="start">
<tooltip id="tooltip">
<label value="Test"/>
</tooltip>
<hbox id="splitterbox" style="margin-top: 5px;" onmousedown="this.setCapture()">
<hbox id="leftbox" style="width: 100px; flex: 1 auto"/>
<splitter id="splitter" style="width: 5px; height: 5px"/>
<hbox id="rightbox" style="width: 100px; flex: 1 auto"/>
</hbox>
<vbox id="custom" style="width: 10px; height: 10px" onmousedown="this.setCapture(); cachedMouseDown = event;"/>
<vbox id="custom2" style="width: 10px; height: 10px" onmousedown="this.setCapture(); document.releaseCapture();"/>
<vbox id="custom3" style="width: 10px; height: 10px" onmousedown="this.setCapture(); this.releaseCapture();"/>
<vbox id="custom4" style="width: 10px; height: 10px" onmousedown="this.setCapture();"
onmousemove="this.releaseCapture();"/>
<hbox id="custom5" style="width: 40px; height: 40px"
onmousedown="this.setCapture(captureRetargetMode);">
<spacer id="custom5spacer" style="width: 5px"/>
<hbox id="custom5inner" style="width: 35px; height: 35px"/>
</hbox>
<vbox id="custom6" style="width: 10px; height: 10px"
onmousedown="document.createElement('hbox').setCapture();"/>
</xul:vbox>
<iframe style="width: 100px; height: 100px" src="file_mousecapture3.html"/>
<iframe style="width: 100px; height: 100px" src="file_mousecapture4.html"/>
<iframe style="width: 100px; height: 100px" src="file_mousecapture5.html"/>
<select id="select" xmlns="http://www.w3.org/1999/xhtml" size="4">
<option id="option1">One</option>
<option id="option2">Two</option>
<option id="option3">Three</option>
<option id="option4">Four</option>
<option id="option5">Five</option>
<option id="option6">Six</option>
<option id="option7">Seven</option>
<option id="option8">Eight</option>
<option id="option9">Nine</option>
<option id="option10">Ten</option>
</select>
<img id="image" xmlns="http://www.w3.org/1999/xhtml"
onmousedown="this.setCapture();" onmouseup="this.releaseCapture();"
ondragstart="ok(false, 'should not get a drag when a setCapture is active');"
src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAIAAAAC64paAAAAG0lEQVR42mP8z0A%2BYKJA76jmUc2jmkc1U0EzACKcASfOgGoMAAAAAElFTkSuQmCC"/>
</body>
</html>
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