forked from inuyaksa/jquery.nicescroll
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jquery.nicescroll.js
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jquery.nicescroll.js
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/* jquery.nicescroll
-- version 2.9.6
-- copyright 2011-12 InuYaksa*2012
-- licensed under the MIT
--
-- http://areaaperta.com/nicescroll
-- https://github.com/inuyaksa/jquery.nicescroll
--
*/
(function(jQuery){
// globals
var domfocus = false;
var mousefocus = false;
var zoomactive = false;
var tabindexcounter = 5000;
var ascrailcounter = 2000;
var $ = jQuery; // sandbox
// http://stackoverflow.com/questions/2161159/get-script-path
function getScriptPath() {
var scripts=document.getElementsByTagName('script');
var path=scripts[scripts.length-1].src.split('?')[0];
return (path.split('/').length>0) ? path.split('/').slice(0,-1).join('/')+'/' : '';
}
var scriptpath = getScriptPath();
// derived by http://blog.joelambert.co.uk/2011/06/01/a-better-settimeoutsetinterval/
var setAnimationFrame = (function(){
return window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
false;
})();
var clearAnimationFrame = (function(){
return window.cancelRequestAnimationFrame ||
window.webkitCancelRequestAnimationFrame ||
window.mozCancelRequestAnimationFrame ||
window.oCancelRequestAnimationFrame ||
window.msCancelRequestAnimationFrame ||
false;
})();
var NiceScrollClass = function(myopt,me) {
var self = this;
this.version = '2.9.6';
this.name = 'nicescroll';
this.me = me;
this.opt = {
doc:$("body"),
win:false,
zindex:9000,
cursoropacitymin:0,
cursoropacitymax:1,
cursorcolor:"#424242",
cursorwidth:"5px",
cursorborder:"1px solid #fff",
cursorborderradius:"5px",
scrollspeed:60,
mousescrollstep:8*5,
touchbehavior:false,
hwacceleration:true,
usetransition:true,
boxzoom:false,
dblclickzoom:true,
gesturezoom:true,
grabcursorenabled:true,
autohidemode:true,
background:"",
iframeautoresize:true,
cursorminheight:20,
preservenativescrolling:true,
railoffset:false,
bouncescroll:false,
spacebarenabled:true,
railpadding:{top:0,right:0,left:0,bottom:0},
disableoutline:true
};
if (myopt||false) {
for(var a in self.opt) {
if (typeof myopt[a] != "undefined") self.opt[a] = myopt[a];
}
}
this.doc = self.opt.doc;
this.iddoc = (this.doc&&this.doc[0])?this.doc[0].id||'':'';
this.ispage = /BODY|HTML/.test((self.opt.win)?self.opt.win[0].nodeName:this.doc[0].nodeName);
this.haswrapper = (self.opt.win!==false);
this.win = self.opt.win||(this.ispage?$(window):this.doc);
this.docscroll = (this.ispage&&!this.haswrapper)?$(window):this.win;
this.body = $("body");
this.iframe = false;
this.isiframe = ((this.doc[0].nodeName == 'IFRAME') && (this.win[0].nodeName == 'IFRAME'));
this.istextarea = (this.win[0].nodeName == 'TEXTAREA');
// Events jump table
this.onmousedown = false;
this.onmouseup = false;
this.onmousemove = false;
this.onmousewheel = false;
this.onkeypress = false;
this.ongesturezoom = false;
this.onclick = false;
// Let's start!
this.view = false;
this.page = false;
this.scroll = {x:0,y:0};
this.scrollratio = {x:0,y:0};
this.cursorheight = 20;
this.scrollvaluemax = 0;
this.scrollmom = false;
do {
this.id = "ascrail"+(ascrailcounter++);
} while (document.getElementById(this.id));
this.rail = false;
this.cursor = false;
this.cursorfreezed = false;
this.zoom = false;
this.zoomactive = false;
this.hasfocus = false;
this.hasmousefocus = false;
this.visibility = true;
this.locked = false;
this.hidden = false; // rails always hidden
this.nativescrollingarea = false;
this.events = []; // event list for unbind
this.saved = {};
this.delaylist = {};
this.synclist = {};
this.lastdelta = 0;
var domtest = document.createElement('DIV');
this.isopera = ("opera" in window);
this.isie = (("all" in document) && ("attachEvent" in domtest) && !this.isopera);
this.isieold = (this.isie && !("msInterpolationMode" in domtest.style)); // IE6 and older
this.isie7 = this.isie&&!this.isieold&&(!("documentMode" in document)||(document.documentMode==7));
this.isie8 = this.isie&&("documentMode" in document)&&(document.documentMode==8);
this.isie9 = this.isie&&("performance" in window)&&(document.documentMode>=9);
this.isie9mobile = /iemobile.9/i.test(navigator.userAgent); //wp 7.1 mango
this.isie7mobile = (!this.isie9mobile&&this.isie7) && /iemobile/i.test(navigator.userAgent); //wp 7.0
this.ismozilla = ("MozAppearance" in domtest.style);
this.ischrome = ("chrome" in window);
this.cantouch = ("ontouchstart" in document.documentElement);
this.hasmstouch = (window.navigator.msPointerEnabled||false); // IE10+ pointer events - EXPERIMENTAL
/* alternative methods to detect touch support */
/* thanks modernizr.github.com/Modernizr/touch.html */
// if (!this.cantouch) this.cantouch = (typeof TouchEvent != "undefined"); // NOT READY -> testing session (false positive on chrome19)
/* */
this.isios = (this.cantouch && /iphone|ipad|ipod/i.test(navigator.platform));
this.isios4 = ((this.isios)&&!("seal" in Object));
if (self.opt.hwacceleration) { // if you dont need dont bother to look for
this.trstyle = (window.opera) ? 'OTransform' : (document.all) ? 'msTransform' : (domtest.style.webkitTransform!==undefined) ? 'webkitTransform' : (domtest.style.MozTransform!==undefined) ? 'MozTransform' : false;
if (this.trstyle && typeof domtest.style[this.trstyle] == "undefined") this.trstyle = false;
this.hastransform = (this.trstyle != false);
if (this.hastransform) {
domtest.style[this.trstyle] = "translate3d(1px,2px,3px)";
this.hastranslate3d = /translate3d/.test(domtest.style[this.trstyle]);
}
this.transitionstyle = false;
this.prefixstyle = '';
this.transitionend = false;
var check = ['transition','webkitTransition','MozTransition','OTransition','msTransition','KhtmlTransition'];
var prefix = ['','-webkit-','-moz-','-o-','-ms-','-khtml-'];
var evs = ['transitionEnd','webkitTransitionEnd','transitionend','oTransitionEnd','msTransitionEnd','KhtmlTransitionEnd'];
for(var a=0;a<check.length;a++) {
if (check[a] in domtest.style) {
this.transitionstyle = check[a];
this.prefixstyle = prefix[a];
this.transitionend = evs[a];
break;
}
}
this.hastransition = (this.transitionstyle);
} else {
this.trstyle = false;
this.hastransform = false;
this.hastranslate3d = false;
this.transitionstyle = false;
this.hastransition = false;
this.transitionend = false;
}
this.cursorgrabvalue = '';
if (self.opt.grabcursorenabled&&self.opt.touchbehavior) { // check grab cursor support
function detectCursorGrab() {
// thank you google for custom cursor!
var lst = ['-moz-grab','-webkit-grab','grab'];
if (self.ischrome||self.isie) lst=[]; // force setting for IE returns false positive and chrome cursor bug
for(var a=0;a<lst.length;a++) {
var p = lst[a];
domtest.style['cursor']=p;
if (domtest.style['cursor']==p) return p;
}
return 'url(http://www.google.com/intl/en_ALL/mapfiles/openhand.cur),n-resize';
}
this.cursorgrabvalue = detectCursorGrab();
}
domtest = null; //memory released
this.ishwscroll = (self.hastransform)&&(self.opt.hwacceleration)&&(self.haswrapper);
this.delayed = function(name,fn,tm) {
var dd = self.delaylist[name];
var nw = (new Date()).getTime();
if (dd&&dd.tt) return false;
if (dd&&dd.last+tm>nw&&!dd.tt) {
self.delaylist[name] = {
last:nw+tm,
tt:setTimeout(function(){self.delaylist[name].tt=0;fn.call();},tm)
}
}
else if (!dd||!dd.tt) {
self.delaylist[name] = {
last:nw,
tt:0
}
setTimeout(function(){fn.call();},0);
}
};
this.requestSync = function() {
if (self.onsync) return;
setAnimationFrame(function(){
self.onsync = false;
for(name in self.synclist){
var fn = self.synclist[name];
if (fn) fn.call(self);
self.synclist[name] = false;
}
});
self.onsync = true;
};
this.synched = function(name,fn) {
self.synclist[name] = fn;
self.requestSync();
};
this.css = function(el,pars) { // save & set
for(var n in pars) {
self.saved.css.push([el,n,el.css(n)]);
el.css(n,pars[n]);
}
};
this.scrollTop = function(val) {
return (typeof val == "undefined") ? self.getScrollTop() : self.setScrollTop(val);
};
// derived by by Dan Pupius www.pupius.net
BezierClass = function(st,ed,spd,p1,p2,p3,p4) {
this.st = st;
this.ed = ed;
this.spd = spd;
this.p1 = p1||0;
this.p2 = p2||1;
this.p3 = p3||0;
this.p4 = p4||1;
this.ts = (new Date()).getTime();
this.df = this.ed-this.st;
};
BezierClass.prototype = {
B2:function(t){ return 3*t*t*(1-t) },
B3:function(t){ return 3*t*(1-t)*(1-t) },
B4:function(t){ return (1-t)*(1-t)*(1-t) },
getNow:function(){
var nw = (new Date()).getTime();
var pc = 1-((nw-this.ts)/this.spd);
var bz = this.B2(pc) + this.B3(pc) + this.B4(pc);
return (pc<0) ? this.ed : this.st+Math.round(this.df*bz);
},
update:function(ed,spd){
this.st = this.getNow();
this.ed = ed;
this.spd = spd;
this.ts = (new Date()).getTime();
this.df = this.ed-this.st;
return this;
}
};
if (this.ishwscroll) {
// hw accelerated scroll
this.doc.translate = {x:0,y:0};
if (this.hastranslate3d) this.doc.css(this.prefixstyle+"backface-visibility","hidden"); // prevent flickering http://stackoverflow.com/questions/3461441/
this.getScrollTop = function(last) {
if (self.timerscroll&&!last) {
return self.timerscroll.bz.getNow();
} else {
return self.doc.translate.y;
}
};
if (document.createEvent) {
this.notifyScrollEvent = function(el) {
var e = document.createEvent("UIEvents");
e.initUIEvent("scroll", false, true, window, 1);
el.dispatchEvent(e);
};
}
else if (document.fireEvent) {
this.notifyScrollEvent = function(el) {
var e = document.createEventObject();
el.fireEvent("onscroll");
e.cancelBubble = true;
};
}
else {
this.notifyScrollEvent = function(el) {}; //NOPE
}
if (this.hastranslate3d) {
this.setScrollTop = function(val,silent) {
self.doc.css(self.trstyle,"translate3d(0px,"+(val*-1)+"px,0px)");
self.doc.translate.y = val;
if (!silent) self.notifyScrollEvent(self.win[0]);
};
} else {
this.setScrollTop = function(val,silent) {
self.doc.css(self.trstyle,"translate(0px,"+(val*-1)+"px)");
self.doc.translate.y = val;
if (!silent) self.notifyScrollEvent(self.win[0]);
};
}
} else {
// native scroll
this.getScrollTop = function() {
return self.docscroll.scrollTop();
};
this.setScrollTop = function(val) {
return self.docscroll.scrollTop(val);
};
}
this.getTarget = function(e) {
if (!e) return false;
if (e.target) return e.target;
if (e.srcElement) return e.srcElement;
return false;
};
this.hasParent = function(e,id) {
if (!e) return false;
var el = e.target||e.srcElement||e||false;
while (el && el.id != id) {
el = el.parentNode||false;
}
return (el!==false);
};
//inspired by http://forum.jquery.com/topic/width-includes-border-width-when-set-to-thin-medium-thick-in-ie
var _convertBorderWidth = {"thin":1,"medium":3,"thick":5};
function getWidthToPixel(dom,prop,chkheight) {
var wd = dom.css(prop);
var px = parseFloat(wd);
if (isNaN(px)) {
px = _convertBorderWidth[wd]||0;
var brd = (px==3) ? ((chkheight)?(self.win.outerHeight() - self.win.innerHeight()):(self.win.outerWidth() - self.win.innerWidth())) : 1; //DON'T TRUST CSS
if (self.isie8&&px) px+=1;
return (brd) ? px : 0;
/*
switch (wd) {
case "thin":
px = (self.isie8) ? 1 : 2;
break;
case "medium":
var brd = (chkheight)?(self.win.outerHeight() - self.win.innerHeight()):(self.win.outerWidth() - self.win.innerWidth()); //DON'T TRUST CSS
px = (brd) ? ((self.isie8) ? 3 : 4) : 0;
break;
case "thick":
px = (self.isie8) ? 5 : 6;
break;
}
*/
}
return px;
};
this.updateScrollBar = function(len) {
if (self.ishwscroll) {
self.rail.css({height:self.win.innerHeight()});
} else {
var pos = self.win.offset();
pos.top+= getWidthToPixel(self.win,'border-top-width',true);
// var brd = (self.win.outerWidth() - self.win.innerWidth());
pos.left+= self.win.outerWidth() - getWidthToPixel(self.win,'border-right-width',false) - self.rail.width;
var off = self.opt.railoffset;
if (off) {
if (off.top) pos.top+=off.top;
if (off.left) pos.left+=off.left;
}
self.rail.css({top:pos.top,left:pos.left,height:(len)?len.h:self.win.innerHeight()});
if (self.zoom) self.zoom.css({top:pos.top+1,left:pos.left-20});
}
};
self.hasanimationframe = (setAnimationFrame);
self.hascancelanimationframe = (clearAnimationFrame);
if (!self.hasanimationframe) {
setAnimationFrame=function(fn){return setTimeout(fn,16)}; // 1000/60)};
clearAnimationFrame=clearInterval;
}
else if (!self.hascancelanimationframe) clearAnimationFrame=function(){self.cancelAnimationFrame=true};
this.init = function() {
self.saved.css = [];
if (self.isie7mobile) return true; // SORRY, DO NOT WORK!
// if (self.hasmstouch) $("html").css('-ms-content-zooming','none');
if (self.hasmstouch) self.css((self.ispage)?$("html"):self.win,{'-ms-touch-action':'none'});
if (!self.ispage || (!self.cantouch && !self.isieold && !self.isie9mobile)) {
var cont = self.docscroll;
if (self.ispage) cont = (self.haswrapper)?self.win:self.doc;
if (!self.isie9mobile) self.css(cont,{'overflow-y':'hidden'});
if (self.ispage&&self.isie7&&self.win[0].nodeName=='BODY') self.css($("html"),{'overflow-y':'hidden'}); //IE7 double scrollbar issue
var cursor = $(document.createElement('div'));
cursor.css({
position:"relative",top:0,"float":"right",width:self.opt.cursorwidth,height:"0px",
'background-color':self.opt.cursorcolor,
border:self.opt.cursorborder,
'background-clip':'padding-box',
'-webkit-border-radius':self.opt.cursorborderradius,
'-moz-border-radius':self.opt.cursorborderradius,
'border-radius':self.opt.cursorborderradius
});
cursor.hborder = parseFloat(cursor.outerHeight() - cursor.innerHeight());
self.cursor = cursor;
var rail = $(document.createElement('div'));
rail.attr('id',self.id);
rail.width = Math.max(parseFloat(self.opt.cursorwidth),cursor.outerWidth());
rail.css({width:rail.width+"px",'zIndex':(self.ispage)?self.opt.zindex:self.opt.zindex+2,"background":self.opt.background});
var kp = ["top","bottom","left","right"];
for(var a in kp) {
var v = self.opt.railpadding[a];
if (v) rail.css("padding-"+a,v+"px");
}
rail.append(cursor);
self.rail = rail;
self.rail.drag = false;
var zoom = false;
if (self.opt.boxzoom&&!self.ispage&&!self.isieold) {
zoom = document.createElement('div');
self.bind(zoom,"click",self.doZoom);
self.zoom = $(zoom);
self.zoom.css({"cursor":"pointer",'z-index':self.opt.zindex,'backgroundImage':'url('+scriptpath+'zoomico.png)','height':18,'width':18,'backgroundPosition':'0px 0px'});
if (self.opt.dblclickzoom) self.bind(self.win,"dblclick",self.doZoom);
if (self.cantouch&&self.opt.gesturezoom) {
self.ongesturezoom = function(e) {
if (e.scale>1.5) self.doZoomIn(e);
if (e.scale<0.8) self.doZoomOut(e);
return self.cancelEvent(e);
};
self.bind(self.win,"gestureend",self.ongesturezoom);
}
}
if (self.ispage) {
rail.css({position:"fixed",top:"0px",right:"0px",height:"100%"});
self.body.append(rail);
} else {
if (self.ishwscroll) {
if (self.win.css('position')=='static') self.css(self.win,{'position':'relative'});
var bd = (self.win[0].nodeName == 'HTML') ? self.body : self.win;
if (self.zoom) {
self.zoom.css({position:"absolute",top:1,right:0,"margin-right":rail.width+4});
bd.append(self.zoom);
}
rail.css({position:"absolute",top:0,right:0});
bd.append(rail);
} else {
rail.css({position:"absolute"});
if (self.zoom) self.zoom.css({position:"absolute"});
self.updateScrollBar();
self.body.append(rail);
if (self.zoom) self.body.append(self.zoom);
}
if (self.isios) self.css(self.win,{'-webkit-tap-highlight-color':'rgba(0,0,0,0)','-webkit-touch-callout':'none'}); // prevent grey layer on click
}
if (self.opt.autohidemode===false) {
self.autohidedom = false;
}
else if (self.opt.autohidemode===true) {
self.autohidedom = self.rail;
}
else if (self.opt.autohidemode=="cursor") {
self.autohidedom = self.cursor;
}
if (self.isie9mobile) {
self.scrollmom = {
y:new ScrollMomentumClass(self)
};
self.onmangotouch = function(e) {
var py = self.getScrollTop();
if (py == self.scrollmom.y.lastscrolly) return true;
var df = py-self.mangotouch.sy;
if (df==0) return;
var dr = (df<0)?-1:1;
var tm = (new Date()).getTime();
if (self.mangotouch.lazy) clearTimeout(self.mangotouch.lazy);
if (((tm-self.mangotouch.tm)>60)||(self.mangotouch.dry!=dr)) {
self.scrollmom.y.stop();
self.scrollmom.y.reset(py);
self.mangotouch.sy = py;
self.mangotouch.ly = py;
self.mangotouch.dry = dr;
self.mangotouch.tm = tm;
} else {
self.scrollmom.y.stop();
self.scrollmom.y.update(self.mangotouch.sy-df);
var gap = tm - self.mangotouch.tm;
self.mangotouch.tm = tm;
var px = Math.abs(self.mangotouch.ly-py);
self.mangotouch.ly = py;
if (px>2) {
self.mangotouch.lazy = setTimeout(function(){
self.mangotouch.lazy = false;
self.mangotouch.dry = 0;
self.mangotouch.tm = 0;
self.scrollmom.y.doMomentum(gap);
},80);
}
}
}
var top = self.getScrollTop()
self.mangotouch = {sy:top,ly:top,dry:0,lazy:false,tm:0};
self.bind(self.docscroll,"scroll",self.onmangotouch);
} else {
if (self.cantouch||self.opt.touchbehavior||self.hasmstouch) {
self.scrollmom = {
y:new ScrollMomentumClass(self)
};
self.ontouchstart = function(e) {
if (e.pointerType&&e.pointerType!=2) return false;
if (!self.locked) {
if (self.hasmstouch) {
var tg = (e.target) ? e.target : false;
while (tg) {
var nc = $(tg).getNiceScroll();
if ((nc.length>0)&&(nc[0].me == self.me)) break;
if (nc.length>0) return false;
if ((tg.nodeName=='DIV')&&(tg.id==self.id)) break;
tg = (tg.parentNode) ? tg.parentNode : false;
}
}
self.cancelScroll();
self.rail.drag = {x:e.clientX,y:e.clientY,sx:self.scroll.x,sy:self.scroll.y,st:self.getScrollTop(),pt:2};
self.hasmoving = false;
self.lastmouseup = false;
self.scrollmom.y.reset(e.clientY);
if (!self.cantouch&&!self.hasmstouch) {
var tg = self.getTarget(e);
var ip = (tg)?/INPUT|SELECT|TEXTAREA/i.test(tg.nodeName):false;
if (!ip) return self.cancelEvent(e);
if (/SUBMIT|CANCEL|BUTTON/i.test($(tg).attr('type'))) {
pc = {"tg":tg,"click":false};
self.preventclick = pc;
}
}
}
};
self.ontouchend = function(e) {
if (e.pointerType&&e.pointerType!=2) return false;
if (self.rail.drag&&(self.rail.drag.pt==2)) {
self.scrollmom.y.doMomentum();
self.rail.drag = false;
if (self.hasmoving) {
self.hasmoving = false;
self.lastmouseup = true;
self.hideCursor();
if (!self.cantouch) return self.cancelEvent(e);
}
}
};
self.ontouchmove = function(e) {
if (e.pointerType&&e.pointerType!=2) return false;
if (self.rail.drag&&(self.rail.drag.pt==2)) {
if (self.cantouch&&(typeof e.original == "undefined")) return true; // prevent ios "ghost" events by clickable elements
self.hasmoving = true;
if (self.preventclick&&!self.preventclick.click) {
self.preventclick.click = self.preventclick.tg.onclick||false;
self.preventclick.tg.onclick = self.onpreventclick;
}
var fy = e.clientY;
var my = (fy-self.rail.drag.y);
var ny = self.rail.drag.st-my;
if (self.ishwscroll) {
if (ny<0) {
ny = Math.round(ny/2);
fy = 0;
}
else if (ny>self.page.maxh) {
ny = self.page.maxh+Math.round((ny-self.page.maxh)/2);
fy = 0;
}
} else {
if (ny<0) ny=0;
if (ny>self.page.maxh) ny=self.page.maxh;
}
self.synched("touchmove",function(){
if (self.rail.drag&&(self.rail.drag.pt==2)) {
if (self.prepareTransition) self.prepareTransition(0);
self.setScrollTop(ny);
self.showCursor(ny);
self.scrollmom.y.update(fy);
}
});
return self.cancelEvent(e);
}
};
}
if (self.cantouch||self.opt.touchbehavior) {
self.onpreventclick = function(e) {
if (self.preventclick) {
self.preventclick.tg.onclick = self.preventclick.click;
self.preventclick = false;
return self.cancelEvent(e);
}
}
self.onmousedown = self.ontouchstart;
self.onmouseup = self.ontouchend;
self.onclick = (self.isios) ? false : function(e) {
if (self.lastmouseup) {
self.lastmouseup = false;
return self.cancelEvent(e);
} else {
return true;
}
};
self.onmousemove = self.ontouchmove;
if (self.cursorgrabvalue) {
self.css((self.ispage)?self.doc:self.win,{'cursor':self.cursorgrabvalue});
self.css(self.rail,{'cursor':self.cursorgrabvalue});
}
} else {
self.onmousedown = function(e) {
if (self.rail.drag&&self.rail.drag.pt!=1) return;
if (self.locked) return self.cancelEvent(e);
self.cancelScroll();
self.rail.drag = {x:e.clientX,y:e.clientY,sx:self.scroll.x,sy:self.scroll.y,pt:1};
return self.cancelEvent(e);
};
self.onmouseup = function(e) {
if (self.rail.drag) {
if(self.rail.drag.pt!=1)return;
self.rail.drag = false;
return self.cancelEvent(e);
}
};
self.onmousemove = function(e) {
if (self.rail.drag) {
if(self.rail.drag.pt!=1)return;
self.scroll.y = self.rail.drag.sy + (e.clientY-self.rail.drag.y);
if (self.scroll.y<0) self.scroll.y=0;
var my = self.scrollvaluemax;
if (self.scroll.y>my) self.scroll.y=my;
self.synched('mousemove',function(){
if (self.rail.drag&&(self.rail.drag.pt==1)) {
self.showCursor();
self.cursorfreezed = true;
self.doScroll(Math.round(self.scroll.y*self.scrollratio.y));
}
});
return self.cancelEvent(e);
} else {
self.checkarea = true;
}
};
}
if (self.cantouch||self.opt.touchbehavior) {
self.bind(self.win,"mousedown",self.onmousedown);
}
if (self.hasmstouch) {
self.css(self.rail,{'-ms-touch-action':'none'});
self.css(self.cursor,{'-ms-touch-action':'none'});
self.bind(self.win,"MSPointerDown",self.ontouchstart);
self.bind(document,"MSPointerUp",self.ontouchend);
self.bind(document,"MSPointerMove",self.ontouchmove);
self.bind(self.cursor,"MSGestureHold",function(e){e.preventDefault();});
self.bind(self.cursor,"contextmenu",function(e){e.preventDefault();});
}
self.bind(self.cursor,"mousedown",self.onmousedown);
self.bind(self.cursor,"mouseup",function(e) {
if (self.rail.drag&&self.rail.drag.pt==2) return;
self.rail.drag = false;
self.hasmoving = false;
self.hideCursor();
return self.cancelEvent(e);
});
self.bind(document,"mouseup",self.onmouseup);
self.bind(document,"mousemove",self.onmousemove);
if (self.onclick) self.bind(document,"click",self.onclick);
if (!self.cantouch) {
self.rail.mouseenter(function() {
self.showCursor();
self.rail.active = true;
});
self.rail.mouseleave(function() {
self.rail.active = false;
if (!self.rail.drag) self.hideCursor();
});
if (!self.isiframe) self.bind((self.isie&&self.ispage) ? document : self.docscroll,"mousewheel",self.onmousewheel);
self.bind(self.rail,"mousewheel",self.onmousewheel);
}
if (self.zoom) {
self.zoom.mouseenter(function() {
self.showCursor();
self.rail.active = true;
});
self.zoom.mouseleave(function() {
self.rail.active = false;
if (!self.rail.drag) self.hideCursor();
});
}
if (!self.ispage&&!self.cantouch&&!(/HTML|BODY/.test(self.win[0].nodeName))) {
if (!self.win.attr("tabindex")) self.win.attr({"tabindex":tabindexcounter++});
if (self.ischrome&&self.opt.disableoutline) self.win.css({"outline":"none"});
self.win.focus(function(e) {
domfocus = (self.getTarget(e)).id||true;
self.hasfocus = true;
self.noticeCursor();
});
self.win.blur(function(e) {
domfocus = false;
self.hasfocus = false;
});
self.win.mouseenter(function(e) {
mousefocus = (self.getTarget(e)).id||true;
self.hasmousefocus = true;
self.noticeCursor();
});
self.win.mouseleave(function() {
mousefocus = false;
self.hasmousefocus = false;
});
};
} // !ie9mobile
//Thanks to http://www.quirksmode.org !!
self.onkeypress = function(e) {
if (self.locked&&self.page.maxh==0) return true;
e = (e) ? e : window.e;
var tg = self.getTarget(e);
if (tg&&/INPUT|TEXTAREA|SELECT|OPTION/.test(tg.nodeName)) {
var tp = tg.getAttribute('type')||tg.type||false;
if ((!tp)||!(/submit|button|cancel/i.tp)) return true;
}
if (self.hasfocus||(self.hasmousefocus&&!domfocus)||(self.ispage&&!domfocus&&!mousefocus)) {
var key = e.keyCode;
if (self.locked&&key!=27) return self.cancelEvent(e);
var ret = false;
switch (key) {
case 38:
case 63233: //safari
self.doScrollBy(24*3);
ret = true;
break;
case 40:
case 63235: //safari
self.doScrollBy(-24*3);
ret = true;
break;
case 33:
case 63276: // safari
self.doScrollBy(self.view.h);
ret = true;
break;
case 34:
case 63277: // safari
self.doScrollBy(-self.view.h);
ret = true;
break;
case 36:
case 63273: // safari
self.doScrollTo(0);
ret = true;
break;
case 35:
case 63275: // safari
self.doScrollTo(self.page.maxh);
ret = true;
break;
case 32:
if (self.opt.spacebarenabled) {
self.doScrollBy(-self.view.h);
ret = true;
}
break;
case 27: // ESC
if (self.zoomactive) {
self.doZoom();
ret = true;
}
break;
}
if (ret) return self.cancelEvent(e);
}
};
self.bind(document,(self.isopera)?"keypress":"keydown",self.onkeypress);
self.bind(window,'resize',self.resize);
self.bind(window,'orientationchange',self.resize);
self.bind(window,"load",self.resize);
// Trying a cross-browser implementation - good luck!
self.onAttributeChange = function(e) {
self.lazyResize();
}
if (!self.ispage&&!self.haswrapper) {
// thanks to Filip http://stackoverflow.com/questions/1882224/
if ("WebKitMutationObserver" in window) {
var observer = new WebKitMutationObserver(function(mutations) {
mutations.forEach(self.onAttributeChange);
});
observer.observe(self.win[0],{attributes:true,subtree:false});
} else {
self.bind(self.win,(self.isie&&!self.isie9)?"propertychange":"DOMAttrModified",self.onAttributeChange);
if (self.isie9) self.win[0].attachEvent("onpropertychange",self.onAttributeChange); //IE9 DOMAttrModified bug
}
}
//
if (!self.ispage&&self.opt.boxzoom) self.bind(window,"resize",self.resizeZoom);
if (self.istextarea) self.bind(self.win,"mouseup",self.resize);
self.resize();
}
if (this.doc[0].nodeName == 'IFRAME') {
function oniframeload(e) {
self.iframexd = false;
try {
var doc = 'contentDocument' in this ? this.contentDocument : this.contentWindow.document;
var a = doc.domain;
} catch(e){self.iframexd = true;doc=false};
if (self.iframexd) return true; //cross-domain - I can't manage this
if (self.isiframe) {
self.iframe = {
html:self.doc.contents().find('html')[0],
body:self.doc.contents().find('body')[0]
};
self.getContentSize = function(){
return {
w:Math.max(self.iframe.html.scrollWidth,self.iframe.body.scrollWidth),
h:Math.max(self.iframe.html.scrollHeight,self.iframe.body.scrollHeight)
}
}
self.docscroll = $(this.contentWindow);
}
if (self.opt.iframeautoresize&&!self.isiframe) {
self.win.scrollTop(0); // reset position
self.doc.height(""); //reset height to fix browser bug
var hh=Math.max(doc.getElementsByTagName('html')[0].scrollHeight,doc.body.scrollHeight);
self.doc.height(hh);
}
self.resize();
if (self.isie7) self.css($(doc).find('html'),{'overflow-y':'hidden'});
self.css($(doc.body),{'overflow-y':'hidden'});
if ('contentWindow' in this) {
self.bind(this.contentWindow,"scroll",self.onscroll); //IE8 & minor
} else {
self.bind(doc,"scroll",self.onscroll);
}
self.bind(doc,"mouseup",self.onmouseup);
self.bind(doc,"mousewheel",self.onmousewheel);
self.bind(doc,(self.isopera)?"keypress":"keydown",self.onkeypress);
if (self.cantouch||self.opt.touchbehavior) {
self.bind(doc,"mousedown",self.onmousedown);
if (self.cursorgrabvalue) self.css($(doc.body),{'cursor':self.cursorgrabvalue});
}
self.bind(doc,"mousemove",self.onmousemove);
if (self.zoom) {