devextreme/dist/transpiled/events/pointer/mouse.js

HTML5 JavaScript Component Suite for Responsive Web Development

"use strict";

var extend = require("../../core/utils/extend").extend,
    BaseStrategy = require("./base"),
    Observer = require("./observer");

var eventMap = {
    "dxpointerdown": "mousedown",
    "dxpointermove": "mousemove",
    "dxpointerup": "mouseup",
    "dxpointercancel": "",
    "dxpointerover": "mouseover",
    "dxpointerout": "mouseout",
    "dxpointerenter": "mouseenter",
    "dxpointerleave": "mouseleave"
};

var normalizeMouseEvent = function normalizeMouseEvent(e) {
    e.pointerId = 1;

    return {
        pointers: observer.pointers(),
        pointerId: 1
    };
};

var observer;
var activated = false;
var activateStrategy = function activateStrategy() {
    if (activated) {
        return;
    }

    observer = new Observer(eventMap, function () {
        return true;
    });

    activated = true;
};

var MouseStrategy = BaseStrategy.inherit({

    ctor: function ctor() {
        this.callBase.apply(this, arguments);

        activateStrategy();
    },

    _fireEvent: function _fireEvent(args) {
        return this.callBase(extend(normalizeMouseEvent(args.originalEvent), args));
    }

});
MouseStrategy.map = eventMap;
MouseStrategy.normalize = normalizeMouseEvent;
MouseStrategy.activate = activateStrategy;
MouseStrategy.resetObserver = function () {
    observer.reset();
};

module.exports = MouseStrategy;