devextreme/dist/transpiled/integration/jquery/hooks.js

HTML5 JavaScript Component Suite for Responsive Web Development

"use strict";

var jQuery = require("jquery");
var useJQuery = require("./use_jquery")();
var compareVersion = require("../../core/utils/version").compare;
var each = require("../../core/utils/iterator").each;
var isNumeric = require("../../core/utils/type").isNumeric;
var setEventFixMethod = require("../../events/utils").setEventFixMethod;
var registerEvent = require("../../events/core/event_registrator");
var hookTouchProps = require("../../events/core/hook_touch_props");

if (useJQuery) {
    if (compareVersion(jQuery.fn.jquery, [3]) < 0) {
        var POINTER_TYPE_MAP = {
            2: "touch",
            3: "pen",
            4: "mouse"
        };

        each(["MSPointerDown", "MSPointerMove", "MSPointerUp", "MSPointerCancel", "MSPointerOver", "MSPointerOut", "mouseenter", "mouseleave", "pointerdown", "pointermove", "pointerup", "pointercancel", "pointerover", "pointerout", "pointerenter", "pointerleave"], function () {
            jQuery.event.fixHooks[this] = {
                filter: function filter(event, originalEvent) {
                    var pointerType = originalEvent.pointerType;

                    if (isNumeric(pointerType)) {
                        event.pointerType = POINTER_TYPE_MAP[pointerType];
                    }

                    return event;
                },
                props: jQuery.event.mouseHooks.props.concat(["pointerId", "pointerType", "originalTarget", "width", "height", "pressure", "result", "tiltX", "charCode", "tiltY", "detail", "isPrimary", "prevValue"])
            };
        });

        each(["touchstart", "touchmove", "touchend", "touchcancel"], function () {
            jQuery.event.fixHooks[this] = {
                filter: function filter(event, originalEvent) {
                    hookTouchProps(function (name, hook) {
                        event[name] = hook(originalEvent);
                    });

                    return event;
                },

                props: jQuery.event.mouseHooks.props.concat(["touches", "changedTouches", "targetTouches", "detail", "result", "originalTarget", "charCode", "prevValue"])
            };
        });

        jQuery.event.fixHooks["wheel"] = jQuery.event.mouseHooks;

        var DX_EVENT_HOOKS = {
            props: jQuery.event.mouseHooks.props.concat(["pointerType", "pointerId", "pointers"])
        };

        registerEvent.callbacks.add(function (name) {
            jQuery.event.fixHooks[name] = DX_EVENT_HOOKS;
        });

        var fix = function fix(event, originalEvent) {
            var fixHook = jQuery.event.fixHooks[originalEvent.type] || jQuery.event.mouseHooks;

            var props = fixHook.props ? jQuery.event.props.concat(fixHook.props) : jQuery.event.props,
                propIndex = props.length;

            while (propIndex--) {
                var prop = props[propIndex];
                event[prop] = originalEvent[prop];
            }

            return fixHook.filter ? fixHook.filter(event, originalEvent) : event;
        };

        setEventFixMethod(fix);
    } else {
        hookTouchProps(function (name, hook) {
            jQuery.event.addProp(name, hook);
        });
    }
}