Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /var/www/html/libs/absol-full/dist/js/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

/*** module: node_modules/absol-mobile/js/dom/MHSnapScroller.js ***/
"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

require("../../css/mhsnapscroller.css");

var _Core = _interopRequireDefault(require("./Core"));

var _AElement = _interopRequireDefault(require("absol/src/HTML5/AElement"));


var _ = _Core.default._;
var $ = _Core.default.$;
/***
 *  @extends AElement
 * @constructor
 */

function MHSnapScroller() {
  this.addClass('am-h-snap-scroller'); //still fail on iOS, disable all
  // this.on('touchstart', this.eventHandler.touchstart);
  // this.on('touchend', this.eventHandler.touchend);
  // this.on('scroll', this.eventHandler.scroll);

  this._scroll = {
    speed: 0,
    lastEventTime: 0,
    homeGoing: false,
    release: true,
    homeX: 0,
    x: 0,
    scrollEnded: true
  };
}

MHSnapScroller.tag = 'MHSnapScroller'.toLowerCase();

MHSnapScroller.render = function () {
  return _({});
};

MHSnapScroller.prototype._findHomeX = function () {
  var bound = this.getBoundingClientRect();
  var centerX = (bound.left + bound.right) / 2;
  var eBounds = Array.prototype.map.call(this.childNodes, function (elt) {
    return elt.getBoundingClientRect();
  }).filter(function (bound) {
    return bound.width > 0;
  });
  var scrollLeft = this.scrollLeft;
  var nearestX = Infinity;
  var nextX = Infinity;
  var childCenterX;

  for (var i = 0; i < eBounds.length; ++i) {
    childCenterX = (eBounds[i].left + eBounds[i].right) / 2;

    if (Math.abs(childCenterX - centerX) < Math.abs(nearestX - centerX)) {
      nearestX = childCenterX;
    }

    if (childCenterX - centerX >= 0 == this._scroll.speed >= 0) {
      if (Math.abs(childCenterX - centerX) < Math.abs(nextX - centerX)) {
        nextX = childCenterX;
      }
    }
  }

  if (nearestX - centerX >= 0 != this._scroll.speed >= 0 && nextX != Infinity) {
    nearestX = nextX;
  }

  return Math.max(0, Math.min(this.scrollWidth - this.clientWidth, scrollLeft + (nearestX - centerX)));
};

MHSnapScroller.prototype.startHomeGoing = function () {
  if (this._scroll.homeGoing || !this._scroll.release || !this._scroll.scrollEnded) return;

  var homeX = this._findHomeX();

  this._scroll.homeX = homeX;
  this._scroll.homeGoing = true;

  if (this._scroll.speed < 50 && this._scroll.speed >= 0) {
    this._scroll.speed = 50;
  } else if (this._scroll.speed > -50 && this._scroll.speed < 0) {
    this._scroll.speed = -50;
  }

  this.eventHandler.homeGoingTick();
};

MHSnapScroller.prototype.stopHomeGoing = function () {
  if (!this._scroll.homeGoing) return;
  this._scroll.homeGoing = false;
};
/***
 *
 * @type {{}|MHSnapScroller}
 */


MHSnapScroller.eventHandler = {};

MHSnapScroller.eventHandler.homeGoingTick = function (toFinish) {
  if (!this._scroll.homeGoing) return;

  if (toFinish === true) {
    this.stopHomeGoing();
    return;
  }

  var last = this._scroll.lastEventTime;
  var now = new Date().getTime();
  var dt = (now - last) / 1000;
  var dx = dt * this._scroll.speed;
  var limitDx = this._scroll.homeX - this._scroll.x;
  var needContinue = false;

  if (Math.abs(dx) >= Math.abs(limitDx) || dx * limitDx <= 0) {
    this._scroll.x = this._scroll.homeX;
  } else {
    this._scroll.x += dx;
    needContinue = true;
  }

  this.scrollLeft = this._scroll.x;
  if (needContinue) requestAnimationFrame(this.eventHandler.homeGoingTick);else requestAnimationFrame(this.eventHandler.homeGoingTick.bind(this, true));
};

MHSnapScroller.eventHandler.stopScroll = function () {
  this._scroll.scrollEnded = true;
  this.startHomeGoing();
};
/***
 *
 * @param {TouchEvent} event
 */


MHSnapScroller.eventHandler.touchstart = function (event) {
  this.stopHomeGoing();
  this._scroll.release = false;
};
/***
 *
 * @param {TouchEvent} event
 */


MHSnapScroller.eventHandler.touchend = function (event) {
  if (event.touches.length === 0) {
    this._scroll.release = true;
    this.startHomeGoing();
  }
};

MHSnapScroller.eventHandler.scroll = function () {
  if (this._scroll.homeGoing) return;
  var last = this._scroll.lastEventTime;
  this._scroll.scrollEnded = false;
  var now = new Date().getTime();

  if (now - last > 100) {
    this._scroll.speed = 0;
    this._scroll.lastEventTime = now;
    this._scroll.x = this.scrollLeft;
  } else if (now > last) {
    this._scroll.speed = (this.scrollLeft - this._scroll.x) * 1000 / (now - last);
    this._scroll.lastEventTime = now;
    this._scroll.x = this.scrollLeft;
  }

  if (this._scroll.stopTimeout > 0) {
    clearTimeout(this._scroll.stopTimeout);
  }

  this._scroll.stopTimeout = setTimeout(this.eventHandler.stopScroll, 30);
};

var _default = MHSnapScroller;
exports.default = _default;