/* turn.js 4.1.0 | Copyright (c) 2012 Emmanuel Garcia | turnjs.com | turnjs.com/license.txt */

(function(f){function r(a,b){return a[0]==b[0]?!1:a.attr("page")?!0:a.parent()[0]?r(a.parent(),b):!1}function u(a){function b(a){this.name="TurnJsError";this.message=a}b.prototype=Error();b.prototype.constructor=b;return new b(a)}function t(a,b,d){return q&&d?" translate3d("+a+"px,"+b+"px, 0px) ":" translate("+a+"px, "+b+"px) "}function v(a,b){return q&&b?" scale3d("+a+", "+a+", 1) ":" scale("+a+") "}function h(a,b){return{x:a,y:b}}function m(a,b){return function(){return a.apply(b,arguments)}}var q,
w={max:2,flipbook:null,easeFunction:"ease-in-out",duration:500,when:{}},j={init:function(a){var b=this,d=this.data(),a=f.extend({},w,a);if(!a.flipbook||!a.flipbook.turn("is"))throw u("options.flipbook is required");q="WebKitCSSMatrix"in window||"MozPerspective"in document.body.style;if("function"!=typeof a.max){var e=a.max;a.max=function(){return e}}d.zoom={opts:a,axis:h(0,0),scrollPos:h(0,0),eventQueue:[],mouseupEvent:function(){return j._eMouseUp.apply(b,arguments)},eventTouchStart:m(j._eTouchStart,
b),eventTouchMove:m(j._eTouchMove,b),eventTouchEnd:m(j._eTouchEnd,b),flipbookEvents:{zooming:m(j._eZoom,b),pressed:m(j._ePressed,b),released:m(j._eReleased,b),start:m(j._eStart,b),turning:m(j._eTurning,b),turned:m(j._eTurned,b),destroying:m(j._eDestroying,b)}};for(var c in a.when)Object.prototype.hasOwnProperty.call(a.when,c)&&this.bind("zoom."+c,a.when[c]);for(c in d.zoom.flipbookEvents)Object.prototype.hasOwnProperty.call(d.zoom.flipbookEvents,c)&&a.flipbook.bind(c,d.zoom.flipbookEvents[c]);this.css({position:"relative",
overflow:"hidden"});f.isTouch?(a.flipbook.bind("touchstart",d.zoom.eventTouchStart).bind("touchmove",d.zoom.eventTouchMove).bind("touchend",d.zoom.eventTouchEnd),this.bind("touchstart",j._tap)):this.mousedown(j._mousedown).click(j._tap)},_tap:function(a){var b=f(this),d=b.data().zoom;!d.draggingCorner&&!d.dragging&&r(f(a.target),b)&&(j._addEvent.call(b,"tap",a),(a=j._eventSeq.call(b))&&b.trigger(a))},_addEvent:function(a,b){var d=this.data().zoom,e=(new Date).getTime();d.eventQueue.push({name:a,timestamp:e,
event:b});10<d.eventQueue.length&&d.eventQueue.splice(0,1)},_eventSeq:function(){var a=this.data().zoom.eventQueue,b=a.length-1;if(0<b&&"tap"==a[b].name&&"tap"==a[b-1].name&&a[b].event.pageX==a[b-1].event.pageX&&a[b].event.pageY==a[b-1].event.pageY&&200>a[b].timestamp-a[b-1].timestamp&&50<a[b].timestamp-a[b-1].timestamp)return f.extend(a[b].event,{type:"zoom.doubleTap"});if("tap"==a[b].name)return f.extend(a[b].event,{type:"zoom.tap"})},_prepareZoom:function(){var a,b=0,d=this.data().zoom,e=1/this.zoom("value");
a=d.opts.flipbook;var c=a.turn("direction"),j=a.data(),l=a.offset(),i=this.offset(),g={height:a.height()},k=a.turn("view");"double"==a.turn("display")&&a.data().opts.autoCenter?k[0]?k[1]?(g.width=a.width(),a=h(l.left-i.left,l.top-i.top)):(g.width=a.width()/2,b="ltr"==c?0:g.width,a=h("ltr"==c?l.left-i.left:l.left-i.left+g.width,l.top-i.top)):(g.width=a.width()/2,b="ltr"==c?g.width:0,a=h("ltr"==c?l.left-i.left+g.width:l.left-i.left,l.top-i.top)):(g.width=a.width(),a=h(l.left-i.left,l.top-i.top));d.zoomer||
(d.zoomer=f("<div />",{"class":"zoomer",css:{overflow:"hidden",position:"absolute",zIndex:"1000000"}}).mousedown(function(){return!1}).appendTo(this));d.zoomer.css({top:a.y,left:a.x,width:g.width,height:g.height});c=k.join(",");if(c!=d.zoomerView){d.zoomerView=c;d.zoomer.find("*").remove();for(c=0;c<k.length;c++)if(k[c]){var i=j.pageObjs[k[c]].offset(),m=f(j.pageObjs[k[c]]);m.clone().transform("").css({width:m.width()*e,height:m.height()*e,position:"absolute",display:"",top:(i.top-l.top)*e,left:(i.left-
l.left-b)*e}).appendTo(d.zoomer)}}return{pos:a,size:g}},value:function(){return this.data().zoom.opts.flipbook.turn("zoom")},zoomIn:function(a){var b=this,d=this.data().zoom,e=d.opts.flipbook,c=d.opts.max();e.offset();var s=this.offset();if(d.zoomIn)return this;e.turn("stop");var l=f.Event("zoom.change");this.trigger(l,[c]);if(l.isDefaultPrevented())return this;var i=j._prepareZoom.call(this),g=i.pos,k=h(i.size.width/2,i.size.height/2),l=f.cssPrefix(),m=f.cssTransitionEnd(),q=e.data().opts.autoCenter;
d.scale=c;e.data().noCenter=!0;a="undefined"!=typeof a?"x"in a&&"y"in a?h(a.x-g.x,a.y-g.y):f.isTouch?h(a.originalEvent.touches[0].pageX-g.x-s.left,a.originalEvent.touches[0].pageY-g.y-s.top):h(a.pageX-g.x-s.left,a.pageY-g.y-s.top):h(k.x,k.y);if(0>a.x||0>a.y||a.x>i.width||a.y>i.height)a.x=k.x,a.y=k.y;var n=h((a.x-k.x)*c+k.x,(a.y-k.y)*c+k.y),a=h(i.size.width*c>this.width()?a.x-n.x:0,i.size.height*c>this.height()?a.y-n.y:0),n=h(Math.abs(i.size.width*c-this.width()),Math.abs(i.size.height*c-this.height())),
i=h(Math.min(0,i.size.width*c-this.width()),Math.min(0,i.size.height*c-this.height())),p=h(k.x*c-k.x-g.x-a.x,k.y*c-k.y-g.y-a.y);p.y>n.y?a.y=p.y-n.y+a.y:p.y<i.y&&(a.y=p.y-i.y+a.y);p.x>n.x?a.x=p.x-n.x+a.x:p.x<i.x&&(a.x=p.x-i.x+a.x);p=h(k.x*c-k.x-g.x-a.x,k.y*c-k.y-g.y-a.y);g={};g[l+"transition"]=l+"transform "+d.opts.easeFunction+" "+d.opts.duration+"ms";var r=function(){b.trigger("zoom.zoomIn");d.zoomIn=!0;d.flipPosition=h(e.css("left"),e.css("top"));e.turn("zoom",c).css({position:"absolute",margin:"",
top:0,left:0});var a=e.offset();d.axis=h(a.left-s.left,a.top-s.top);if(q&&"double"==e.turn("display")&&("ltr"==e.turn("direction")&&!e.turn("view")[0]||"rtl"==e.turn("direction")&&!e.turn("view")[1]))d.axis.x+=e.width()/2;b.zoom("scroll",p);b.bind(f.mouseEvents.down,j._eMouseDown);b.bind(f.mouseEvents.move,j._eMouseMove);f(document).bind(f.mouseEvents.up,d.mouseupEvent);b.bind("mousewheel",j._eMouseWheel);setTimeout(function(){d.zoomer.hide();d.zoomer.remove();d.zoomer=null;d.zoomerView=null},50)};
d.zoomer.css(g).show();m?d.zoomer.bind(m,function(){f(this).unbind(m);r()}):setTimeout(r,d.opts.duration);d.zoomer.transform(t(a.x,a.y,!0)+v(c,!0));return this},zoomOut:function(a){var b,d=this,e=this.data().zoom,c=e.opts.flipbook,m=1/e.scale,l=f.cssPrefix(),i=f.cssTransitionEnd();b=this.offset();a="undefined"!=typeof a?a:e.opts.duration;if(e.zoomIn){var g=f.Event("zoom.change");this.trigger(g,[1]);if(g.isDefaultPrevented())return this;e.zoomIn=!1;e.scale=1;c.data().noCenter=!1;d.unbind(f.mouseEvents.down,
j._eMouseDown);d.unbind(f.mouseEvents.move,j._eMouseMove);f(document).unbind(f.mouseEvents.up,e.mouseupEvent);d.unbind("mousewheel",j._eMouseWheel);g={};g[l+"transition"]=l+"transform "+e.opts.easeFunction+" "+a+"ms";c.css(g);var k=f("<div />",{css:{position:"relative",top:e.flipPosition.y,left:e.flipPosition.x,width:c.width()*m,height:c.height()*m,background:"blue"}}).appendTo(c.parent()),g=h(k.offset().left-b.left,k.offset().top-b.top);k.remove();var q=c.data().opts.autoCenter;q&&"double"==c.turn("display")&&
(c.turn("view")[0]?c.turn("view")[1]||(g.x="ltr"==c.turn("direction")?g.x+k.width()/4:g.x-k.width()/4):g.x="ltr"==c.turn("direction")?g.x-k.width()/4:g.x+k.width()/4);var r=f.findPos(c[0]);b=h(-c.width()/2-r.left+k.width()/2+g.x+b.left,-c.height()/2-r.top+k.height()/2+g.y+b.top);var n=function(){c[0].style.removeProperty?(c[0].style.removeProperty(l+"transition"),c.transform(c.turn("options").acceleration?t(0,0,!0):"").turn("zoom",1),c[0].style.removeProperty("margin"),c.css({position:"relative",
top:e.flipPosition.y,left:e.flipPosition.x})):c.transform("none").turn("zoom",1).css({margin:"",top:e.flipPosition.y,left:e.flipPosition.x,position:"relative"});q&&c.turn("center");d.trigger("zoom.zoomOut")};0===a?n():(i?c.bind(i,function(){f(this).unbind(i);n()}):setTimeout(n,a),c.transform(t(b.x,b.y,!0)+v(m,!0)));return this}},flipbookWidth:function(){var a=this.data().zoom.opts.flipbook,b=a.turn("view");return"double"==a.turn("display")&&(!b[0]||!b[1])?a.width()/2:a.width()},scroll:function(a,
b,d){var e=this.data().zoom,c=e.opts.flipbook,j=this.zoom("flipbookWidth"),l=f.cssPrefix();if(q){var i={};i[l+"transition"]=d?l+"transform 200ms":"none";c.css(i);c.transform(t(-e.axis.x-a.x,-e.axis.y-a.y,!0))}else c.css({top:-e.axis.y-a.y,left:-e.axis.x-a.x});if(!b){var g,b=h(Math.min(0,(j-this.width())/2),Math.min(0,(c.height()-this.height())/2)),c=h(j>this.width()?j-this.width():(j-this.width())/2,c.height()>this.height()?c.height()-this.height():(c.height()-this.height())/2);a.y<b.y?(a.y=b.y,g=
!0):a.y>c.y&&(a.y=c.y,g=!0);a.x<b.x?(a.x=b.x,g=!0):a.x>c.x&&(a.x=c.x,g=!0);g&&this.zoom("scroll",a,!0,!0)}e.scrollPos=h(a.x,a.y)},resize:function(){var a=this.data().zoom,b=a.opts.flipbook;if(1<this.zoom("value")){var d=b.offset(),e=this.offset();a.axis=h(d.left-e.left+(a.axis.x+a.scrollPos.x),d.top-e.top+(a.axis.y+a.scrollPos.y));"double"==b.turn("display")&&("ltr"==b.turn("direction")&&!b.turn("view")[0])&&(a.axis.x+=b.width()/2);this.zoom("scroll",a.scrollPos)}},_eZoom:function(){for(var a=this.data().zoom,
b=a.opts.flipbook,d=b.turn("view"),e=0;e<d.length;e++)d[e]&&this.trigger("zoom.resize",[a.scale,d[e],b.data().pageObjs[d[e]]])},_eStart:function(a){1!=this.zoom("value")&&a.preventDefault()},_eTurning:function(a,b,d){var e=this,a=this.zoom("value"),c=this.data().zoom,b=c.opts.flipbook;c.page=b.turn("page");if(1!=a){for(c=0;c<d.length;c++)d[c]&&this.trigger("zoom.resize",[a,d[c],b.data().pageObjs[d[c]]]);setTimeout(function(){e.zoom("resize")},0)}},_eTurned:function(a,b){if(1!=this.zoom("value")){var d=
this.data().zoom,e=d.opts.flipbook;b>d.page?this.zoom("scroll",h(0,d.scrollPos.y),!1,!0):b<d.page&&this.zoom("scroll",h(e.width(),d.scrollPos.y),!1,!0)}},_ePressed:function(){f(this).data().zoom.draggingCorner=!0},_eReleased:function(){var a=f(this).data().zoom;setTimeout(function(){a.draggingCorner=!1},1)},_eMouseDown:function(a){f(this).data().zoom.draggingCur=f.isTouch?h(a.originalEvent.touches[0].pageX,a.originalEvent.touches[0].pageY):h(a.pageX,a.pageY);return!1},_eMouseMove:function(a){var b=
f(this).data().zoom;if(b.draggingCur){b.dragging=!0;var a=f.isTouch?h(a.originalEvent.touches[0].pageX,a.originalEvent.touches[0].pageY):h(a.pageX,a.pageY),d=h(a.x-b.draggingCur.x,a.y-b.draggingCur.y);f(this).zoom("scroll",h(b.scrollPos.x-d.x,b.scrollPos.y-d.y),!0);b.draggingCur=a;return!1}},_eMouseUp:function(){var a=f(this).data().zoom;a.dragging&&f(this).zoom("scroll",a.scrollPos);a.draggingCur=null;setTimeout(function(){a.dragging=!1},1)},_eMouseWheel:function(a,b,d,e){a=f(this).data().zoom;d=
h(a.scrollPos.x+10*d,a.scrollPos.y-10*e);f(this).zoom("scroll",d,!1,!0)},_eTouchStart:function(a){var b=f(this).data().zoom,a=h(a.originalEvent.touches[0].pageX,a.originalEvent.touches[0].pageY);b.touch={};b.touch.initial=a;b.touch.last=a;b.touch.timestamp=(new Date).getTime();b.touch.speed=h(0,0)},_eTouchMove:function(a){var b=f(this).data().zoom,d=f(this).zoom("value"),e=b.opts.flipbook,c=(new Date).getTime(),a=h(a.originalEvent.touches[0].pageX,a.originalEvent.touches[0].pageY);b.touch&&(1==d&&
!e.data().mouseAction)&&(b.touch.motion=h(a.x-b.touch.last.x,a.y-b.touch.last.y),b.touch.speed.x=0===b.touch.speed.x?b.touch.motion.x/(c-b.touch.timestamp):(b.touch.speed.x+b.touch.motion.x/(c-b.touch.timestamp))/2,b.touch.last=a,b.touch.timestamp=c)},_eTouchEnd:function(){var a=f(this).data().zoom;if(a.touch&&1==f(this).zoom("value")){var b=Math.abs(a.touch.initial.y-a.touch.last.y);50>b&&(-1>a.touch.speed.x||-100>a.touch.last.x-a.touch.initial.x)?this.trigger("zoom.swipeLeft"):50>b&&(1<a.touch.speed.x||
100<a.touch.last.x-a.touch.initial.x)&&this.trigger("zoom.swipeRight")}},_eDestroying:function(){var a=this,b=this.data().zoom,d=b.opts.flipbook;this.zoom("zoomOut",0);f.each("tap doubleTap resize zoomIn zoomOut swipeLeft swipeRight".split(" "),function(b,d){a.unbind("zoom."+d)});for(var e in b.flipbookEvents)Object.prototype.hasOwnProperty.call(b.flipbookEvents,e)&&d.unbind(e,b.flipbookEvents[e]);d.unbind("touchstart",b.eventTouchStart).unbind("touchmove",b.eventTouchMove).unbind("touchend",b.eventTouchEnd);
this.unbind("touchstart",j._tap).unbind("click",j._tap);b=null;this.data().zoom=null}};f.extend(f.fn,{zoom:function(){var a=arguments;if(!a[0]||"object"==typeof a[0])return j.init.apply(f(this[0]),a);if(j[a[0]])return j[a[0]].apply(f(this[0]),Array.prototype.slice.call(a,1));throw u(a[0]+" is not a method");}})})(jQuery);
