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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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dom/canvas/test/test_hitregion_event.html Normal file
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<!DOCTYPE HTML>
<html>
<head>
<title>Test click events on canvas hit regions</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display">
<canvas id="input">
</canvas>
</p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
SpecialPowers.pushPrefEnv({"set": [["canvas.hitregions.enabled", true]]}, function() {
var input = document.getElementById("input");
var regionId = "";
input.addEventListener('mousedown', function(evt){
regionId = evt.region;
})
function runTests()
{
try {
var ctx = input.getContext("2d");
ctx.beginPath();
ctx.rect(20, 20, 100, 75);
ctx.fill();
ctx.addHitRegion({id: "a"});
ctx.beginPath();
ctx.fillStyle = "red";
ctx.rect(60, 40, 100, 75);
ctx.fill();
ctx.addHitRegion({id: "b"});
var mypath = new Path2D();
mypath.rect(80, 60, 10, 10);
ctx.beginPath();
ctx.fillStyle = "yellow";
ctx.rect(80, 60, 10, 10);
ctx.fill();
ctx.addHitRegion({id: "c", path: mypath});
ctx.beginPath();
ctx.fillStyle = "green";
ctx.rect(60, 60, 10, 10); // This region is on purpose not the hit region
ctx.fill();
var mypath = new Path2D();
mypath.rect(70, 30, 10, 10);
ctx.addHitRegion({id: "d", path: mypath});
synthesizeMouse(input, 25,25, {type: "mousedown"});
is(regionId, "a", "Hit region a", ". Found: " + regionId);
synthesizeMouse(input, 5,5, {type: "mousedown", button: 1});
is(regionId, "", "Hit region null", ". Found: " + regionId);
synthesizeMouse(input, 65,45, {type: "mousedown"});
is(regionId, "b", "Hit region b", ". Found: " + regionId);
synthesizeMouse(input, 85,65, {type: "mousedown"});
is(regionId, "c", "Hit region c", ". Found: " + regionId);
synthesizeMouse(input, 75,35, {type: "mousedown"});
is(regionId, "d", "Hit region d", ". Found: " + regionId);
ctx.removeHitRegion("c");
synthesizeMouse(input, 85,65, {type: "mousedown"});
is(regionId, "b", "Hit region b", ". Found: " + regionId);
} catch (e) {
ok(false, "unexpected exception thrown: " + e);
}
SimpleTest.finish();
}
runTests();
});
SimpleTest.waitForExplicitFinish();
</script>
</pre>
</body>
</html>