lib/leaflet/src/map/handler/Map.DoubleClickZoom.js in leaflet-js-0.6.beta4 vs lib/leaflet/src/map/handler/Map.DoubleClickZoom.js in leaflet-js-0.7.0

@@ -6,18 +6,25 @@
 	doubleClickZoom: true
 });
 
 L.Map.DoubleClickZoom = L.Handler.extend({
 	addHooks: function () {
-		this._map.on('dblclick', this._onDoubleClick);
+		this._map.on('dblclick', this._onDoubleClick, this);
 	},
 
 	removeHooks: function () {
-		this._map.off('dblclick', this._onDoubleClick);
+		this._map.off('dblclick', this._onDoubleClick, this);
 	},
 
 	_onDoubleClick: function (e) {
-		this.setZoomAround(e.containerPoint, this._zoom + 1);
+		var map = this._map,
+		    zoom = map.getZoom() + (e.originalEvent.shiftKey ? -1 : 1);
+
+		if (map.options.doubleClickZoom === 'center') {
+			map.setZoom(zoom);
+		} else {
+			map.setZoomAround(e.containerPoint, zoom);
+		}
 	}
 });
 
 L.Map.addInitHook('addHandler', 'doubleClickZoom', L.Map.DoubleClickZoom);