devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
56 lines (55 loc) • 1.55 kB
JavaScript
/**
* DevExtreme (esm/events/pointer/mspointer.js)
* Version: 21.1.4
* Build date: Mon Jun 21 2021
*
* Copyright (c) 2012 - 2021 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import BaseStrategy from "./base";
import Observer from "./observer";
import {
extend
} from "../../core/utils/extend";
var eventMap = {
dxpointerdown: "pointerdown",
dxpointermove: "pointermove",
dxpointerup: "pointerup",
dxpointercancel: "pointercancel",
dxpointerover: "pointerover",
dxpointerout: "pointerout",
dxpointerenter: "pointerenter",
dxpointerleave: "pointerleave"
};
var observer;
var activated = false;
var activateStrategy = function() {
if (activated) {
return
}
observer = new Observer(eventMap, (function(a, b) {
return a.pointerId === b.pointerId
}), (function(e) {
if (e.isPrimary) {
observer.reset()
}
}));
activated = true
};
var MsPointerStrategy = BaseStrategy.inherit({
ctor: function() {
this.callBase.apply(this, arguments);
activateStrategy()
},
_fireEvent: function(args) {
return this.callBase(extend({
pointers: observer.pointers(),
pointerId: args.originalEvent.pointerId
}, args))
}
});
MsPointerStrategy.map = eventMap;
MsPointerStrategy.resetObserver = function() {
observer.reset()
};
export default MsPointerStrategy;