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Replace jquery-ui swipe with tapandswipe library
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@ -18,6 +18,7 @@ import {egwAction, egwActionImplementation, egwActionObject} from './egw_action.
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import {egwFnct} from './egw_action_common.js';
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import {egwMenu, _egw_active_menu} from "./egw_menu.js";
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import {EGW_KEY_ENTER, EGW_KEY_MENU} from "./egw_action_constants.js";
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import {tapAndSwipe} from "../tapandswipe";
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if (typeof window._egwActionClasses == "undefined")
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window._egwActionClasses = {};
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@ -280,35 +281,23 @@ export function egwPopupActionImplementation()
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};
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ai._handleTapHold = function (_node, _callback)
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{
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let holdTimer = 600;
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let maxDistanceAllowed = 40;
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let tapTimeout = null;
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let startx = 0;
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let starty = 0;
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//TODO (todo-jquery): ATM we need to convert the possible given jquery dom node object into DOM Element, this
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// should be no longer neccessary after removing jQuery nodes.
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if (_node instanceof jQuery)
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{
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_node = _node[0];
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}
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_node.addEventListener('touchstart', function(e){
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tapTimeout = setTimeout(function(event){
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_callback(e);
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}, holdTimer);
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startx = (e.changedTouches) ? e.changedTouches[0].pageX: e.pageX;
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starty = (e.changedTouches) ? e.changedTouches[0].pageY: e.pageY;
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});
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_node.addEventListener('touchend', function(){
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clearTimeout(tapTimeout);
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});
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_node.addEventListener('touchmove', function(_event){
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if (tapTimeout == null) return;
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let e = _event.originalEvent;
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let x = (e.changedTouches) ? e.changedTouches[0].pageX: e.pageX;
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let y = (e.changedTouches) ? e.changedTouches[0].pageY: e.pageY;
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if (Math.sqrt((x-startx)*(x-startx) + (y-starty)+(y-starty)) > maxDistanceAllowed) clearTimeout(tapTimeout);
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let tap = new tapAndSwipe(_node, {
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// this threshold must be the same as the one set in et2_dataview_view_aoi
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tapHoldThreshold: 600,
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tapAndHold: function(event)
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{
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// don't trigger contextmenu if sorting is happening
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if (document.querySelector('.sortable-drag')) return;
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_callback(event);
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}
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});
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}
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/**
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@ -350,7 +339,7 @@ export function egwPopupActionImplementation()
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// Safari still needs the taphold to trigger contextmenu
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// Chrome has default event on touch and hold which acts like right click
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this._handleTapHold(_node, contextHandler);
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jQuery(_node).on('contextmenu', contextHandler);
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if (!egwIsMobile()) jQuery(_node).on('contextmenu', contextHandler);
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};
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ai.doRegisterAction = function(_aoi, _callback, _context)
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@ -23,6 +23,7 @@ import {EGW_AO_SHIFT_STATE_MULTI,
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EGW_AO_STATE_SELECTED} from '../egw_action/egw_action_constants.js';
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import {egwBitIsSet, egwGetShiftState, egwPreventSelect, egwSetBit, egwUnfocus, egwIsMobile} from "../egw_action/egw_action_common.js";
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import {_egw_active_menu} from "../egw_action/egw_menu.js";
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import {tapAndSwipe} from "../tapandswipe";
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/**
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* Contains the action object interface implementation for the nextmatch widget
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@ -114,23 +115,21 @@ export function et2_dataview_rowAOI(_node)
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};
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if (egwIsMobile()) {
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jQuery(_node).swipe({
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allowPageScroll: "vertical",
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longTapThreshold: 10,
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swipe: function (event, direction, distance)
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{
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if (distance > 100) selectHandler(event, {swip:direction});
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},
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tap: function (event, duration)
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{
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selectHandler(event);
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},
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// stop scrolling touch being confused from tap
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longTap: function (event)
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{
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return;
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}
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let swipe = new tapAndSwipe(_node,{
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// set the same threshold as action_popup event to get the tapAndHold working
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tapHoldThreshold: 600,
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swipe: function (event, direction, distance)
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{
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if (distance > 100) selectHandler(event, {swip:direction});
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},
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tap: function (event)
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{
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selectHandler(event);
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},
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tapAndHold: function(event)
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{
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return;
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}
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});
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} else {
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jQuery(_node).click(selectHandler);
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179
api/js/tapandswipe.ts
Normal file
179
api/js/tapandswipe.ts
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@ -0,0 +1,179 @@
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/**
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* EGroupware TapAndSwipe helper library
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package Api
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* @subpackage ui
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* @link https://www.egroupware.org
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* @author Hadi Nategh <hn@egroupware.org>
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*/
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export interface TapAndSwipeOptions {
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// tolorated pixel to fire the swipe events
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threshold? : number,
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// time delay for defirentiate between tap event and long tap event, threshold is in milliseconds
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tapHoldThreshold? : number,
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// callback function being called on swipe gestures
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swipe? : Function,
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// callback function being called on tap
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tap? : Function,
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// callback function being called on long tap(tap and hold)
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tapAndHold? : Function
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}
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export type TapAndSwipeOptionsType = TapAndSwipeOptions;
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export class tapAndSwipe {
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static readonly _default : TapAndSwipeOptionsType = {
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threshold : 10,
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tapHoldThreshold : 3000,
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swipe : function(){},
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tap : function(){},
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tapAndHold: function(){}
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}
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/**
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* Keeps the touch X start point
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* @private
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*/
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private _startX : number = null;
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/**
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* Keeps the touch Y start point
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* @private
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*/
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private _startY : number = null;
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/**
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* Keeps the touch X end point
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* @private
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*/
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private _endX : number = null;
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/**
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* Keeps the touch Y end point
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* @private
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*/
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private _endY : number = null;
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/**
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* keeps the distance travelled between start point and end point
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* @private
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*/
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private _distance : number = null;
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/**
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* flag to keep the status of type of tap
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* @private
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*/
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private _isTapAndHold : boolean = false;
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/**
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* keeps the timeout id for taphold
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*/
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private _tapHoldTimeout : number = null;
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/**
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* Options
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* @protected
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*/
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protected options : TapAndSwipeOptionsType = null;
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/**
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* Keeps the html node
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*/
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private _element : HTMLElement = null;
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/**
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* Constructor
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* @param _element
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* @param _options
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*/
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public constructor(_element : string | HTMLElement, _options? : TapAndSwipeOptionsType)
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{
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this.options = {...tapAndSwipe._default, ..._options};
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this._element = (_element instanceof EventTarget) ? _element : document.querySelector(_element);
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this._element.addEventListener('touchstart', this._onTouchStart.bind(this), false);
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this._element.addEventListener('touchend', this._ontouchEnd.bind(this), false);
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}
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/**
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* on touch start event handler
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* @param event
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* @private
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*/
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private _onTouchStart(event : TouchEvent)
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{
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this._startX = event.changedTouches[0].screenX;
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this._startY = event.changedTouches[0].screenY;
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this._isTapAndHold = false;
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this._tapHoldTimeout = window.setTimeout(_=>{
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this._isTapAndHold = true;
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this.options.tapAndHold(event);
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}, this.options.tapHoldThreshold);
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}
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/**
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* On touch end event handler
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* @param event
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* @private
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*/
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private _ontouchEnd(event : TouchEvent)
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{
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this._endX = event.changedTouches[0].screenX;
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this._endY = event.changedTouches[0].screenY;
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this._handler(event);
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}
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/**
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* Handles the type of gesture and calls the right callback for it
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* @param event
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* @private
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*/
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private _handler(event : TouchEvent)
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{
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//cleanup tapHoldTimeout
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window.clearTimeout(this._tapHoldTimeout);
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// Tap & TapAndHold handler
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if (this._endX == this._startX && this._endY == this._startY
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|| (Math.sqrt((this._endX-this._startX)*(this._endX-this._startX) + (this._endY-this._startY)+(this._endY-this._startY))
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< this.options.threshold))
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{
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if (!this._isTapAndHold)
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{
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this.options.tap(event);
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}
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return;
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}
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// left swipe handler
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if (this._endX + this.options.threshold < this._startX) {
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this._distance = this._startX - this._endX;
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this.options.swipe(event, 'left', this._distance);
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return;
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}
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// right swipe handler
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if (this._endX - this.options.threshold > this._startX) {
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this._distance = this._endX - this._startX;
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this.options.swipe(event, 'right', this._distance);
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return;
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}
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// up swipe handler
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if (this._endY + this.options.threshold < this._startY) {
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this._distance = this._startY - this._endY;
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this.options.swipe(event, 'up', this._distance);
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return;
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}
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// down swipe handler
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if (this._endY - this.options.threshold > this._startY) {
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this._distance = this._endY - this._startY;
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this.options.swipe(event, 'down', this._distance);
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return;
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}
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}
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/**
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* destroy the event listeners
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*/
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public destroy()
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{
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this._element.removeEventListener('touchstart', this._onTouchStart);
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this._element.removeEventListener('touchend', this._ontouchEnd);
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}
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}
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