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Test webpage for dblclick/dbltap performance

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This commit is contained in:
Iván Sánchez Ortega 2016-01-08 13:07:01 +01:00
parent 25648b8f35
commit ce0b289504
2 changed files with 74 additions and 1 deletions
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72
debug/tests/doubleclick-events-slowdown.html Normal file
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@ -0,0 +1,72 @@
<!DOCTYPE html>
<html>
<head>
<title>Leaflet debug page</title>
<link rel="stylesheet" href="../../dist/leaflet.css" />
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="../css/screen.css" />
<script type="text/javascript" src="../../build/deps.js"></script>
<script src="../leaflet-include.js"></script>
</head>
<body>
<p>This test is meant for testing the performance of doubleclick event handler in IE. See <a href='https://github.com/Leaflet/Leaflet/issues/4127'>#4127</a> and <a href='https://github.com/Leaflet/Leaflet/issues/2820'>#2820</a></p>
<div id="map"></div>
<button id="populate">Populate with 100 more markers</button><div id='perf'></div>
<script type="text/javascript">
var osmUrl = 'http://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png',
osmAttrib = '&copy; <a href="http://openstreetmap.org/copyright">OpenStreetMap</a> contributors',
osm = L.tileLayer(osmUrl, {maxZoom: 18, attribution: osmAttrib});
var map = L.map('map')
.setView([0, 0], 0)
.addLayer(osm);
var markers = new L.FeatureGroup();
function getEventHandler(i) {
return function(ev) { document.getElementById('perf').innerHTML = ('Event on marker ' + i + ': ' + ev.type); }
}
function populate() {
var start = performance ? performance.now() : 0;
for (var i = 0; i < 100; i++) {
L.marker(getRandomLatLng(map)).addTo(markers).on('dblclick', getEventHandler(i));
}
var end = performance ? performance.now() : 0;
document.getElementById('perf').innerHTML = 'Adding 100 markers took ' + (end - start) + ' milliseconds.';
return false;
}
markers.addTo(map);
populate();
L.DomUtil.get('populate').onclick = populate;
function logEvent(e) { console.log(e.type); }
// map.on('click', logEvent);
// map.on('contextmenu', logEvent);
// map.on('movestart', logEvent);
// map.on('move', logEvent);
// map.on('moveend', logEvent);
// map.on('zoomstart', logEvent);
// map.on('zoomend', logEvent);
</script>
</body>
</html>

3
src/dom/DomEvent.DoubleTap.js
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@ -63,7 +63,8 @@ L.extend(L.DomEvent, {
obj.addEventListener(touchend, onTouchEnd, false);
// On some platforms (notably, chrome on win10 + touchscreen + mouse),
// the browser doesn't fire touchend/pointerup events but does fire native dblclicks
// the browser doesn't fire touchend/pointerup events but does fire
// native dblclicks. See #4127.
obj.addEventListener('dblclick', handler, false);
return this;