gestures.min.js

!function(a,b){"use strict";function c(){if(!d.READY){d.event.determineEventTypes();for(var a in d.gestures)d.gestures.hasOwnProperty(a)&&d.detection.register(d.gestures[a]);d.event.onTouch(d.DOCUMENT,d.EVENT_MOVE,d.detection.detect),d.event.onTouch(d.DOCUMENT,d.EVENT_END,d.detection.detect),d.READY=!0}}var d=function(a,b){return new d.Instance(a,b||{})};d.defaults={stop_browser_behavior:{userSelect:"none",touchAction:"none",touchCallout:"none",contentZooming:"none",userDrag:"none",tapHighlightColor:"rgba(0,0,0,0)"}},d.HAS_POINTEREVENTS=navigator.pointerEnabled||navigator.msPointerEnabled,d.HAS_TOUCHEVENTS="ontouchstart"in a,d.MOBILE_REGEX=/mobile|tablet|ip(ad|hone|od)|android/i,d.NO_MOUSEEVENTS=d.HAS_TOUCHEVENTS&&navigator.userAgent.match(d.MOBILE_REGEX),d.EVENT_TYPES={},d.DIRECTION_DOWN="down",d.DIRECTION_LEFT="left",d.DIRECTION_UP="up",d.DIRECTION_RIGHT="right",d.POINTER_MOUSE="mouse",d.POINTER_TOUCH="touch",d.POINTER_PEN="pen",d.EVENT_START="start",d.EVENT_MOVE="move",d.EVENT_END="end",d.DOCUMENT=document,d.plugins={},d.READY=!1,d.Instance=function(a,b){var e=this;return c(),this.element=a,this.enabled=!0,this.options=d.utils.extend(d.utils.extend({},d.defaults),b||{}),this.options.stop_browser_behavior&&d.utils.stopDefaultBrowserBehavior(this.element,this.options.stop_browser_behavior),d.event.onTouch(a,d.EVENT_START,function(a){e.enabled&&d.detection.startDetect(e,a)}),this},d.Instance.prototype={on:function(a,b){for(var c=a.split(" "),d=0;d<c.length;d++)this.element.addEventListener(c[d],b,!1);return this},off:function(a,b){for(var c=a.split(" "),d=0;d<c.length;d++)this.element.removeEventListener(c[d],b,!1);return this},trigger:function(a,b){var c=d.DOCUMENT.createEvent("Event");c.initEvent(a,!0,!0),c.gesture=b;var e=this.element;return d.utils.hasParent(b.target,e)&&(e=b.target),e.dispatchEvent(c),this},enable:function(a){return this.enabled=a,this}};var e=null,f=!1,g=!1;d.event={bindDom:function(a,b,c){for(var d=b.split(" "),e=0;e<d.length;e++)a.addEventListener(d[e],c,!1)},onTouch:function(a,b,c){var h=this;this.bindDom(a,d.EVENT_TYPES[b],function(i){var j=i.type.toLowerCase();if(!j.match(/mouse/)||!g){(j.match(/touch/)||j.match(/pointerdown/)||j.match(/mouse/)&&1===i.which)&&(f=!0),j.match(/touch|pointer/)&&(g=!0);var k=0;f&&(d.HAS_POINTEREVENTS&&b!=d.EVENT_END?k=d.PointerEvent.updatePointer(b,i):j.match(/touch/)?k=i.touches.length:g||(k=j.match(/up/)?0:1),k>0&&b==d.EVENT_END?b=d.EVENT_MOVE:k||(b=d.EVENT_END),k||null===e?e=i:i=e,c.call(d.detection,h.collectEventData(a,b,i)),d.HAS_POINTEREVENTS&&b==d.EVENT_END&&(k=d.PointerEvent.updatePointer(b,i))),k||(e=null,f=!1,g=!1,d.PointerEvent.reset())}})},determineEventTypes:function(){var a;a=d.HAS_POINTEREVENTS?d.PointerEvent.getEvents():d.NO_MOUSEEVENTS?["touchstart","touchmove","touchend touchcancel"]:["touchstart mousedown","touchmove mousemove","touchend touchcancel mouseup"],d.EVENT_TYPES[d.EVENT_START]=a[0],d.EVENT_TYPES[d.EVENT_MOVE]=a[1],d.EVENT_TYPES[d.EVENT_END]=a[2]},getTouchList:function(a){return d.HAS_POINTEREVENTS?d.PointerEvent.getTouchList():a.touches?a.touches:[{identifier:1,pageX:a.pageX,pageY:a.pageY,target:a.target}]},collectEventData:function(a,b,c){var e=this.getTouchList(c,b),f=d.POINTER_TOUCH;return(c.type.match(/mouse/)||d.PointerEvent.matchType(d.POINTER_MOUSE,c))&&(f=d.POINTER_MOUSE),{center:d.utils.getCenter(e),timeStamp:(new Date).getTime(),target:c.target,touches:e,eventType:b,pointerType:f,srcEvent:c,preventDefault:function(){this.srcEvent.preventManipulation&&this.srcEvent.preventManipulation(),this.srcEvent.preventDefault&&this.srcEvent.preventDefault()},stopPropagation:function(){this.srcEvent.stopPropagation()},stopDetect:function(){return d.detection.stopDetect()}}}},d.PointerEvent={pointers:{},getTouchList:function(){var a=this,b=[];return Object.keys(a.pointers).sort().forEach(function(c){b.push(a.pointers[c])}),b},updatePointer:function(a,b){return a==d.EVENT_END?this.pointers={}:(b.identifier=b.pointerId,this.pointers[b.pointerId]=b),Object.keys(this.pointers).length},matchType:function(a,b){if(!b.pointerType)return!1;var c={};return c[d.POINTER_MOUSE]=b.pointerType==b.MSPOINTER_TYPE_MOUSE||b.pointerType==d.POINTER_MOUSE,c[d.POINTER_TOUCH]=b.pointerType==b.MSPOINTER_TYPE_TOUCH||b.pointerType==d.POINTER_TOUCH,c[d.POINTER_PEN]=b.pointerType==b.MSPOINTER_TYPE_PEN||b.pointerType==d.POINTER_PEN,c[a]},getEvents:function(){return["pointerdown MSPointerDown","pointermove MSPointerMove","pointerup pointercancel MSPointerUp MSPointerCancel"]},reset:function(){this.pointers={}}},d.utils={extend:function(a,c,d){for(var e in c)a[e]!==b&&d||(a[e]=c[e]);return a},hasParent:function(a,b){for(;a;){if(a==b)return!0;a=a.parentNode}return!1},getCenter:function(a){for(var b=[],c=[],d=0,e=a.length;e>d;d++)b.push(a[d].pageX),c.push(a[d].pageY);return{pageX:(Math.min.apply(Math,b)+Math.max.apply(Math,b))/2,pageY:(Math.min.apply(Math,c)+Math.max.apply(Math,c))/2}},getVelocity:function(a,b,c){return{x:Math.abs(b/a)||0,y:Math.abs(c/a)||0}},getAngle:function(a,b){var c=b.pageY-a.pageY,d=b.pageX-a.pageX;return 180*Math.atan2(c,d)/Math.PI},getDirection:function(a,b){var c=Math.abs(a.pageX-b.pageX),e=Math.abs(a.pageY-b.pageY);return c>=e?a.pageX-b.pageX>0?d.DIRECTION_LEFT:d.DIRECTION_RIGHT:a.pageY-b.pageY>0?d.DIRECTION_UP:d.DIRECTION_DOWN},getDistance:function(a,b){var c=b.pageX-a.pageX,d=b.pageY-a.pageY;return Math.sqrt(c*c+d*d)},getScale:function(a,b){return a.length>=2&&b.length>=2?this.getDistance(b[0],b[1])/this.getDistance(a[0],a[1]):1},getRotation:function(a,b){return a.length>=2&&b.length>=2?this.getAngle(b[1],b[0])-this.getAngle(a[1],a[0]):0},isVertical:function(a){return a==d.DIRECTION_UP||a==d.DIRECTION_DOWN},stopDefaultBrowserBehavior:function(a,b){var c,d=["webkit","khtml","moz","ms","o",""];if(b&&a.style){for(var e=0;e<d.length;e++)for(var f in b)b.hasOwnProperty(f)&&(c=f,d[e]&&(c=d[e]+c.substring(0,1).toUpperCase()+c.substring(1)),a.style[c]=b[f]);"none"==b.userSelect&&(a.onselectstart=function(){return!1})}}},d.detection={gestures:[],current:null,previous:null,stopped:!1,startDetect:function(a,b){this.current||(this.stopped=!1,this.current={inst:a,startEvent:d.utils.extend({},b),lastEvent:!1,name:""},this.detect(b))},detect:function(a){if(this.current&&!this.stopped){a=this.extendEventData(a);for(var b=this.current.inst.options,c=0,e=this.gestures.length;e>c;c++){var f=this.gestures[c];if(!this.stopped&&b[f.name]!==!1&&f.handler.call(f,a,this.current.inst)===!1){this.stopDetect();break}}return this.current&&(this.current.lastEvent=a),a.eventType==d.EVENT_END&&!a.touches.length-1&&this.stopDetect(),a}},stopDetect:function(){this.previous=d.utils.extend({},this.current),this.current=null,this.stopped=!0},extendEventData:function(a){var b=this.current.startEvent;if(b&&(a.touches.length!=b.touches.length||a.touches===b.touches)){b.touches=[];for(var c=0,e=a.touches.length;e>c;c++)b.touches.push(d.utils.extend({},a.touches[c]))}var f=a.timeStamp-b.timeStamp,g=a.center.pageX-b.center.pageX,h=a.center.pageY-b.center.pageY,i=d.utils.getVelocity(f,g,h);return d.utils.extend(a,{deltaTime:f,deltaX:g,deltaY:h,velocityX:i.x,velocityY:i.y,distance:d.utils.getDistance(b.center,a.center),angle:d.utils.getAngle(b.center,a.center),direction:d.utils.getDirection(b.center,a.center),scale:d.utils.getScale(b.touches,a.touches),rotation:d.utils.getRotation(b.touches,a.touches),startEvent:b}),a},register:function(a){var c=a.defaults||{};return c[a.name]===b&&(c[a.name]=!0),d.utils.extend(d.defaults,c,!0),a.index=a.index||1e3,this.gestures.push(a),this.gestures.sort(function(a,b){return a.index<b.index?-1:a.index>b.index?1:0}),this.gestures}},d.gestures=d.gestures||{},d.gestures.Hold={name:"hold",index:10,defaults:{hold_timeout:500,hold_threshold:1},timer:null,handler:function(a,b){switch(a.eventType){case d.EVENT_START:clearTimeout(this.timer),d.detection.current.name=this.name,this.timer=setTimeout(function(){"hold"==d.detection.current.name&&b.trigger("hold",a)},b.options.hold_timeout);break;case d.EVENT_MOVE:a.distance>b.options.hold_threshold&&clearTimeout(this.timer);break;case d.EVENT_END:clearTimeout(this.timer)}}},d.gestures.Tap={name:"tap",index:100,defaults:{tap_max_touchtime:250,tap_max_distance:10,tap_always:!0,doubletap_distance:20,doubletap_interval:300},handler:function(a,b){if(a.eventType==d.EVENT_END){var c=d.detection.previous,e=!1;if(a.deltaTime>b.options.tap_max_touchtime||a.distance>b.options.tap_max_distance)return;c&&"tap"==c.name&&a.timeStamp-c.lastEvent.timeStamp<b.options.doubletap_interval&&a.distance<b.options.doubletap_distance&&(b.trigger("doubletap",a),e=!0),(!e||b.options.tap_always)&&(d.detection.current.name="tap",b.trigger(d.detection.current.name,a))}}},d.gestures.Swipe={name:"swipe",index:40,defaults:{swipe_max_touches:1,swipe_velocity:.7},handler:function(a,b){if(a.eventType==d.EVENT_END){if(b.options.swipe_max_touches>0&&a.touches.length>b.options.swipe_max_touches)return;(a.velocityX>b.options.swipe_velocity||a.velocityY>b.options.swipe_velocity)&&(b.trigger(this.name,a),b.trigger(this.name+a.direction,a))}}},d.gestures.Drag={name:"drag",index:50,defaults:{drag_min_distance:10,drag_max_touches:1,drag_block_horizontal:!1,drag_block_vertical:!1,drag_lock_to_axis:!1,drag_lock_min_distance:25},triggered:!1,handler:function(a,b){if(d.detection.current.name!=this.name&&this.triggered)return b.trigger(this.name+"end",a),this.triggered=!1,void 0;if(!(b.options.drag_max_touches>0&&a.touches.length>b.options.drag_max_touches))switch(a.eventType){case d.EVENT_START:this.triggered=!1;break;case d.EVENT_MOVE:if(a.distance<b.options.drag_min_distance&&d.detection.current.name!=this.name)return;d.detection.current.name=this.name,(d.detection.current.lastEvent.drag_locked_to_axis||b.options.drag_lock_to_axis&&b.options.drag_lock_min_distance<=a.distance)&&(a.drag_locked_to_axis=!0);var c=d.detection.current.lastEvent.direction;a.drag_locked_to_axis&&c!==a.direction&&(a.direction=d.utils.isVertical(c)?a.deltaY<0?d.DIRECTION_UP:d.DIRECTION_DOWN:a.deltaX<0?d.DIRECTION_LEFT:d.DIRECTION_RIGHT),this.triggered||(b.trigger(this.name+"start",a),this.triggered=!0),b.trigger(this.name,a),b.trigger(this.name+a.direction,a),(b.options.drag_block_vertical&&d.utils.isVertical(a.direction)||b.options.drag_block_horizontal&&!d.utils.isVertical(a.direction))&&a.preventDefault();break;case d.EVENT_END:this.triggered&&b.trigger(this.name+"end",a),this.triggered=!1}}},d.gestures.Transform={name:"transform",index:45,defaults:{transform_min_scale:.01,transform_min_rotation:1,transform_always_block:!1},triggered:!1,handler:function(a,b){if(d.detection.current.name!=this.name&&this.triggered)return b.trigger(this.name+"end",a),this.triggered=!1,void 0;if(!(a.touches.length<2))switch(b.options.transform_always_block&&a.preventDefault(),a.eventType){case d.EVENT_START:this.triggered=!1;break;case d.EVENT_MOVE:var c=Math.abs(1-a.scale),e=Math.abs(a.rotation);if(c<b.options.transform_min_scale&&e<b.options.transform_min_rotation)return;d.detection.current.name=this.name,this.triggered||(b.trigger(this.name+"start",a),this.triggered=!0),b.trigger(this.name,a),e>b.options.transform_min_rotation&&b.trigger("rotate",a),c>b.options.transform_min_scale&&(b.trigger("pinch",a),b.trigger("pinch"+(a.scale<1?"in":"out"),a));break;case d.EVENT_END:this.triggered&&b.trigger(this.name+"end",a),this.triggered=!1}}},d.gestures.Touch={name:"touch",index:-1/0,defaults:{prevent_default:!1,prevent_mouseevents:!1},handler:function(a,b){return b.options.prevent_mouseevents&&a.pointerType==d.POINTER_MOUSE?(a.stopDetect(),void 0):(b.options.prevent_default&&a.preventDefault(),a.eventType==d.EVENT_START&&b.trigger(this.name,a),void 0)}},d.gestures.Release={name:"release",index:1/0,handler:function(a,b){a.eventType==d.EVENT_END&&b.trigger(this.name,a)}},"object"==typeof module&&"object"==typeof module.exports?module.exports=d:(a.Hammer=d,"function"==typeof a.define&&a.define.amd&&a.define("hammer",[],function(){return d}))}(this),angular.module("angular-gestures",[]);var HGESTURES={hmDoubleTap:"doubletap",hmDragstart:"dragstart",hmDrag:"drag",hmDragUp:"dragup",hmDragDown:"dragdown",hmDragLeft:"dragleft",hmDragRight:"dragright",hmDragend:"dragend",hmHold:"hold",hmPinch:"pinch",hmPinchIn:"pinchin",hmPinchOut:"pinchout",hmRelease:"release",hmRotate:"rotate",hmSwipe:"swipe",hmSwipeUp:"swipeup",hmSwipeDown:"swipedown",hmSwipeLeft:"swipeleft",hmSwipeRight:"swiperight",hmTap:"tap",hmTouch:"touch",hmTransformstart:"transformstart",hmTransform:"transform",hmTransformend:"transformend"},VERBOSE=!0;angular.forEach(HGESTURES,function(a,b){angular.module("angular-gestures").directive(b,["$parse","$log",function(c,d){return function(e,f,g){var h,i;g.$observe(b,function(j){var k=c(j),l=c(g[b+"Opts"])(e,{});h=new Hammer(f[0],l),i=function(b){VERBOSE&&d.log("angular-gestures: %s",a),e.$apply(function(){k(e,{$event:b})})},h.on(a,i)}),e.$on("$destroy",function(){h.off(a,i)})}}])});