Add long tap event to gesture handler.

Author: mehmettamturk

tart/events.js

@@ -23,6 +23,7 @@ tart.events.EventType = {
     MOUSEENTER: 'mouseenter',
     MOUSELEAVE: 'mouseleave',
     TAP: 'tap',
+    LONG_TAP: 'longTap',
     SWIPE_RIGHT: 'swipeRight',
     SWIPE_UP: 'swipeUp',
     SWIPE_LEFT: 'swipeLeft',

tart/events/GestureHandler.js

@@ -67,6 +67,7 @@ tart.events.GestureHandler.prototype.onTouchstart = function(e) {
     this.isInMotion = true;
     this.canTap = true;
     this.canSwipe = true;
+    this.touchStartTime = new Date().getTime();
 
     var browserEvent = e.getBrowserEvent();
     var changedTouch = browserEvent.changedTouches[0];
@@ -145,8 +146,10 @@ tart.events.GestureHandler.prototype.onTouchend = function(e) {
             return;
         }
 
+        var tapTimeDiff = new Date().getTime() - this.touchStartTime;
         var tap = document.createEvent("Event");
-        tap.initEvent(tart.events.EventType.TAP, true, true);
+        var eventName = tapTimeDiff > 800 ? tart.events.EventType.LONG_TAP : tart.events.EventType.TAP;
+        tap.initEvent(eventName, true, true);
 
         // Target element fix for iOS6+
         var targetElement = e.target;

tart/ui/ComponentManager.js

@@ -78,6 +78,7 @@ tart.ui.ComponentManager.eventTypes = [
     tart.events.EventType.MOUSEENTER,
     tart.events.EventType.MOUSELEAVE,
     tart.events.EventType.TAP,
+    tart.events.EventType.LONG_TAP,
     tart.events.EventType.SWIPE_LEFT,
     tart.events.EventType.SWIPE_RIGHT,
     tart.events.EventType.SWIPE_UP,