document.head.style.touchAction==='string';var GESTURE_KEY='__polymerGestures';var HANDLED_OBJ='__polymerGesturesHandled';var TOUCH_ACTION='__polymerGesturesTouchAction';var TAP_DISTANCE=25;var TRACK_DISTANCE=5;var TRACK_LENGTH=2;var MOUSE_TIMEOUT=2500;var MOUSE_EVENTS=['mousedown','mousemove','mouseup','click'];var MOUSE_WHICH_TO_BUTTONS=[0,1,4,2];var MOUSE_HAS_BUTTONS=function(){try{return new MouseEvent('test',{buttons:1}).buttons===1;}catch(e){return false;}}();function isMouseEvent(name){return...