devextreme/cjs/events/hover.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (cjs/events/hover.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/
 */

"use strict";
exports.end = exports.start = void 0;
var _events_engine = _interopRequireDefault(require("../events/core/events_engine"));
var _element_data = require("../core/element_data");
var _class = _interopRequireDefault(require("../core/class"));
var _devices = _interopRequireDefault(require("../core/devices"));
var _event_registrator = _interopRequireDefault(require("./core/event_registrator"));
var _index = require("./utils/index");
var _pointer = _interopRequireDefault(require("./pointer"));

function _interopRequireDefault(obj) {
    return obj && obj.__esModule ? obj : {
        default: obj
    }
}
var HOVERSTART_NAMESPACE = "dxHoverStart";
var HOVERSTART = "dxhoverstart";
exports.start = HOVERSTART;
var POINTERENTER_NAMESPACED_EVENT_NAME = (0, _index.addNamespace)(_pointer.default.enter, HOVERSTART_NAMESPACE);
var HOVEREND_NAMESPACE = "dxHoverEnd";
var HOVEREND = "dxhoverend";
exports.end = HOVEREND;
var POINTERLEAVE_NAMESPACED_EVENT_NAME = (0, _index.addNamespace)(_pointer.default.leave, HOVEREND_NAMESPACE);
var Hover = _class.default.inherit({
    noBubble: true,
    ctor: function() {
        this._handlerArrayKeyPath = this._eventNamespace + "_HandlerStore"
    },
    setup: function(element) {
        (0, _element_data.data)(element, this._handlerArrayKeyPath, {})
    },
    add: function(element, handleObj) {
        var that = this;
        var handler = function(e) {
            that._handler(e)
        };
        _events_engine.default.on(element, this._originalEventName, handleObj.selector, handler);
        (0, _element_data.data)(element, this._handlerArrayKeyPath)[handleObj.guid] = handler
    },
    _handler: function(e) {
        if ((0, _index.isTouchEvent)(e) || _devices.default.isSimulator()) {
            return
        }(0, _index.fireEvent)({
            type: this._eventName,
            originalEvent: e,
            delegateTarget: e.delegateTarget
        })
    },
    remove: function(element, handleObj) {
        var handler = (0, _element_data.data)(element, this._handlerArrayKeyPath)[handleObj.guid];
        _events_engine.default.off(element, this._originalEventName, handleObj.selector, handler)
    },
    teardown: function(element) {
        (0, _element_data.removeData)(element, this._handlerArrayKeyPath)
    }
});
var HoverStart = Hover.inherit({
    ctor: function() {
        this._eventNamespace = HOVERSTART_NAMESPACE;
        this._eventName = HOVERSTART;
        this._originalEventName = POINTERENTER_NAMESPACED_EVENT_NAME;
        this.callBase()
    },
    _handler: function(e) {
        var pointers = e.pointers || [];
        if (!pointers.length) {
            this.callBase(e)
        }
    }
});
var HoverEnd = Hover.inherit({
    ctor: function() {
        this._eventNamespace = HOVEREND_NAMESPACE;
        this._eventName = HOVEREND;
        this._originalEventName = POINTERLEAVE_NAMESPACED_EVENT_NAME;
        this.callBase()
    }
});
(0, _event_registrator.default)(HOVERSTART, new HoverStart);
(0, _event_registrator.default)(HOVEREND, new HoverEnd);