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#2501, optional wheel debounce time #2836

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merged 2 commits into from
Aug 5, 2014
Merged

#2501, optional wheel debounce time #2836

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f5cfddb
#2501, wheelDebounceTime option added
andriiheonia Aug 5, 2014
a321406
#2501, tab fixed
andriiheonia Aug 5, 2014
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#2501, wheelDebounceTime option added
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@andriiheonia
andriiheonia committed Aug 5, 2014
commit f5cfddb60d174f1f8d098ca4257f84695e31e0c2
8 changes: 5 additions & 3 deletions src/map/handler/Map.ScrollWheelZoom.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,8 @@
*/

L.Map.mergeOptions({
scrollWheelZoom: true
scrollWheelZoom: true,
wheelDebounceTime: 40
});

L.Map.ScrollWheelZoom = L.Handler.extend({
Expand All @@ -24,7 +25,8 @@ L.Map.ScrollWheelZoom = L.Handler.extend({
},

_onWheelScroll: function (e) {
var delta = L.DomEvent.getWheelDelta(e);
var delta = L.DomEvent.getWheelDelta(e),
debounce = this._map.options.wheelDebounceTime;

this._delta += delta;
this._lastMousePos = this._map.mouseEventToContainerPoint(e);
Expand All @@ -33,7 +35,7 @@ L.Map.ScrollWheelZoom = L.Handler.extend({
this._startTime = +new Date();
}

var left = Math.max(40 - (+new Date() - this._startTime), 0);
var left = Math.max(debounce - (+new Date() - this._startTime), 0);

clearTimeout(this._timer);
this._timer = setTimeout(L.bind(this._performZoom, this), left);
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