igniteui-react-core
Version:
Ignite UI React Core.
104 lines (103 loc) • 3.4 kB
JavaScript
/*
THIS INFRAGISTICS ULTIMATE SOFTWARE LICENSE AGREEMENT ("AGREEMENT") LOCATED HERE:
https://www.infragistics.com/legal/license/igultimate-la
https://www.infragistics.com/legal/license/igultimate-eula
GOVERNS THE LICENSING, INSTALLATION AND USE OF INFRAGISTICS SOFTWARE. BY DOWNLOADING AND/OR INSTALLING AND USING INFRAGISTICS SOFTWARE: you are indicating that you have read and understand this Agreement, and agree to be legally bound by it on behalf of the yourself and your company.
*/
import { __extends } from "tslib";
import { Base, markType } from "./type";
import { TouchHistoryItem } from "./TouchHistoryItem";
import { TouchVelocityReading } from "./TouchVelocityReading";
import { isNaN_ } from "./number";
/**
* @hidden
*/
var TouchVelocityTracker = /** @class */ /*@__PURE__*/ (function (_super) {
__extends(TouchVelocityTracker, _super);
function TouchVelocityTracker() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.a = new Array(5);
_this.d = 0;
return _this;
}
TouchVelocityTracker.prototype.g = function (a, b, c) {
if (isNaN_(a) || isNaN_(b)) {
return;
}
var d = ((function () {
var $ret = new TouchHistoryItem();
$ret.a = a;
$ret.b = b;
$ret.c = c;
return $ret;
})());
this.a[this.d] = d;
this.d++;
if (this.d > 5 - 1) {
this.d = 0;
}
};
TouchVelocityTracker.prototype.f = function () {
this.d = 0;
for (var a = 0; a < 5; a++) {
this.a[a] = null;
}
};
TouchVelocityTracker.prototype.b = function (a) {
var b = a;
var c = NaN;
var d = NaN;
var e = NaN;
var f = NaN;
var g = 0;
var h = 0;
var i = true;
for (var j = 0; j < 5; j++) {
if (this.a[j] == null) {
continue;
}
var k = (this.a[j].c - b) > 300;
if (k) {
continue;
}
if (i) {
i = false;
c = this.a[j].a;
d = this.a[j].a;
e = this.a[j].b;
f = this.a[j].b;
g = this.a[j].c;
h = this.a[j].c;
}
else {
if (this.a[j].c < g) {
g = this.a[j].c;
d = this.a[j].a;
f = this.a[j].b;
}
if (this.a[j].c > h) {
h = this.a[j].c;
c = this.a[j].a;
e = this.a[j].b;
}
}
}
if (g == h || isNaN_(c) || isNaN_(d) || isNaN_(e) || isNaN_(f)) {
return ((function () {
var $ret = new TouchVelocityReading();
$ret.a = NaN;
$ret.b = NaN;
return $ret;
})());
}
return ((function () {
var $ret = new TouchVelocityReading();
$ret.a = (c - d) / ((h - g) / 1000);
$ret.b = (e - f) / ((h - g) / 1000);
return $ret;
})());
};
TouchVelocityTracker.$t = markType(TouchVelocityTracker, 'TouchVelocityTracker');
return TouchVelocityTracker;
}(Base));
export { TouchVelocityTracker };