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Adding bounceAtZoomLimits option

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This commit is contained in:
Trevor Powell 2013-10-24 13:26:52 -05:00
parent 7a907ba2cf
commit 3b79dd816b
1 changed files with 7 additions and 4 deletions
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11
src/map/handler/Map.TouchZoom.js
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@ -3,7 +3,8 @@
*/
L.Map.mergeOptions({
touchZoom: L.Browser.touch && !L.Browser.android23
touchZoom: L.Browser.touch && !L.Browser.android23,
bounceAtZoomLimits: true
});
L.Map.TouchZoom = L.Handler.extend({
@ -54,9 +55,11 @@ L.Map.TouchZoom = L.Handler.extend({
this._scale = p1.distanceTo(p2) / this._startDist;
this._delta = p1._add(p2)._divideBy(2)._subtract(this._startCenter);
if (this._scale === 1 ||
(map.getZoom() === map.getMinZoom() && this._scale < 1) ||
(map.getZoom() === map.getMaxZoom() && this._scale > 1)) { return; }
if (this._scale === 1) { return; }
if (!map.options.bounceAtZoomLimits) {
if ((map.getZoom() === map.getMinZoom() && this._scale < 1) || (map.getZoom() === map.getMaxZoom() && this._scale > 1)) { return; }
}
if (!this._moved) {
L.DomUtil.addClass(map._mapPane, 'leaflet-touching');