/** * A simple event recogniser which knows when you tap. */Ext.define('Ext.event.gesture.Tap', { extend: 'Ext.event.gesture.SingleTouch', handledEvents: ['tap', 'tapcancel'], config: { /** * @cfg {Number} moveDistance * The maximimum distance in pixels a touchstart event can travel and still be considered a tap event. */ moveDistance: 8 }, onTouchStart: function(e) { if (this.callParent([e]) === false) { return false; } this.startPoint = e.changedTouches[0].point; }, onTouchMove: function(e) { var touch = e.changedTouches[0], point = touch.point; if (Math.abs(point.getDistanceTo(this.startPoint)) >= this.getMoveDistance()) { this.fire('tapcancel', e, { touch: touch }); return this.fail(this.self.TOUCH_MOVED); } }, onTouchEnd: function(e) { this.fire('tap', e, { touch: e.changedTouches[0] }); }, onTouchCancel: function(e) { this.fire('tapcancel', e, { touch: e.changedTouches[0] }); return false; }});