jQuery iScroll.js 移动端滚动条美化插件第1/5页_jquery

<div id="wrapper">
<ul>
<li></li>
.....
</ul>
</div>

<div id="wrapper">
<div id="scroller">
<ul>
<li></li>
...
</ul>
<ul>
<li></li>
...
</ul>
</div>
</div>

<script src="iscroll.js"></script>
<script>
var myscroll; //myscroll是全局变量，可以在任意地方调用
function loaded(){
myscroll=new iScroll("wrapper");
} window.addEventListener("DOMContentLoaded",loaded,false);
</script>

<script src="iscroll.js"><script>
<script>
var myscroll;
function loaded(){
setTimeout(function(){
myscroll=new iScroll("wrapper");
}，100 );
}
window.addEventListener("load",loaded,false);
</script>

$("#mobile_show_duobao_all_num").show();
new iScroll('tc-wrapper2', {
scrollbarClass: 'myScrollbar' ,
hScrollbar:false,
vScroll:true,
hideScrollbar: false //是否隐藏滚动条 
});

document.addEventListener('touchmove', function (e) { e.preventDefault(); }, false);

var myscroll=new iScroll("wrapper",{
　　scrollbarClass: "myScrollbar"
});

<div class="myScrollbarV">
<div></div>
</div>

@charset "utf-8";
/* CSS Document */
/**
*
* Horizontal Scrollbar
*
*/
.myScrollbarH {
position:absolute;
z-index:100;
height:8px;
bottom:1px;
left:2px;
right:7px
}
.myScrollbarH > div {
position:absolute;
z-index:100;
height:100%;
/* The following is probably what you want to customize */
background-image:-webkit-gradient(linear, 0 0, 100% 0, from(#a00), to(#f00));
background-image:-moz-linear-gradient(top, #f00, #900);
background-image:-o-linear-gradient(top, #f00, #900);
border:1px solid #900;
-webkit-background-clip:padding-box;
-moz-background-clip:padding-box;
-o-background-clip:padding-box;
background-clip:padding-box;
-webkit-box-sizing:border-box;
-moz-box-sizing:border-box;
-o-box-sizing:border-box;
box-sizing:border-box;
-webkit-border-radius:4px;
-moz-border-radius:4px;
-o-border-radius:4px;
border-radius:4px;
-webkit-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
-moz-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
-o-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
}
/**
*
* Vertical Scrollbar
*
*/
.myScrollbarV {
position:absolute;
z-index:100;
width:8px;bottom:7px;top:2px;right:1px
}
.myScrollbarV > div {
position:absolute;
z-index:100;
width:100%;
/* The following is probably what you want to customize */
background:-webkit-gradient(linear, 0 0, 100% 0, from(#f00), to(#900));
background-image:-moz-linear-gradient(top, #f00, #900);
background-image:-o-linear-gradient(top, #f00, #900);
border:1px solid #900;
-webkit-background-clip:padding-box;
-moz-background-clip:padding-box;
-o-background-clip:padding-box;
background-clip:padding-box;
-webkit-box-sizing:border-box;
-moz-box-sizing:border-box;
-o-box-sizing:border-box;
box-sizing:border-box;
-webkit-border-radius:4px;
-moz-border-radius:4px;
-o-border-radius:4px;
border-radius:4px;
-webkit-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
-moz-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
-o-box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
box-shadow:inset 1px 1px 0 rgba(255,255,255,0.5);
}

/*!
* iScroll v4.2.5 ~ Copyright (c) 2012 Matteo Spinelli, http://cubiq.org
* Released under MIT license, http://cubiq.org/license
*/
(function(window, doc){
var m = Math,
dummyStyle = doc.createElement('div').style,
vendor = (function () {
var vendors = 't,webkitT,MozT,msT,OT'.split(','),
t,
i = 0,
l = vendors.length;
for ( ; i < l; i++ ) {
t = vendors[i] + &#39;ransform&#39;;
if ( t in dummyStyle ) {
return vendors[i].substr(0, vendors[i].length - 1);
}
}
return false;
})(),
cssVendor = vendor ? &#39;-&#39; + vendor.toLowerCase() + &#39;-&#39; : &#39;&#39;,
// Style properties
transform = prefixStyle(&#39;transform&#39;),
transitionProperty = prefixStyle(&#39;transitionProperty&#39;),
transitionDuration = prefixStyle(&#39;transitionDuration&#39;),
transformOrigin = prefixStyle(&#39;transformOrigin&#39;),
transitionTimingFunction = prefixStyle(&#39;transitionTimingFunction&#39;),
transitionDelay = prefixStyle(&#39;transitionDelay&#39;),
// Browser capabilities
isAndroid = (/android/gi).test(navigator.appVersion),
isIDevice = (/iphone|ipad/gi).test(navigator.appVersion),
isTouchPad = (/hp-tablet/gi).test(navigator.appVersion),
has3d = prefixStyle(&#39;perspective&#39;) in dummyStyle,
hasTouch = &#39;ontouchstart&#39; in window && !isTouchPad,
hasTransform = vendor !== false,
hasTransitionEnd = prefixStyle(&#39;transition&#39;) in dummyStyle,
RESIZE_EV = &#39;onorientationchange&#39; in window ? &#39;orientationchange&#39; : &#39;resize&#39;,
START_EV = hasTouch ? &#39;touchstart&#39; : &#39;mousedown&#39;,
MOVE_EV = hasTouch ? &#39;touchmove&#39; : &#39;mousemove&#39;,
END_EV = hasTouch ? &#39;touchend&#39; : &#39;mouseup&#39;,
CANCEL_EV = hasTouch ? &#39;touchcancel&#39; : &#39;mouseup&#39;,
TRNEND_EV = (function () {
if ( vendor === false ) return false;
var transitionEnd = {
&#39;&#39; : &#39;transitionend&#39;,
&#39;webkit&#39; : &#39;webkitTransitionEnd&#39;,
&#39;Moz&#39; : &#39;transitionend&#39;,
&#39;O&#39; : &#39;otransitionend&#39;,
&#39;ms&#39; : &#39;MSTransitionEnd&#39;
};
return transitionEnd[vendor];
})(),
nextFrame = (function() {
return window.requestAnimationFrame ||
window.webkitRequestAnimationFrame ||
window.mozRequestAnimationFrame ||
window.oRequestAnimationFrame ||
window.msRequestAnimationFrame ||
function(callback) { return setTimeout(callback, 1); };
})(),
cancelFrame = (function () {
return window.cancelRequestAnimationFrame ||
window.webkitCancelAnimationFrame ||
window.webkitCancelRequestAnimationFrame ||
window.mozCancelRequestAnimationFrame ||
window.oCancelRequestAnimationFrame ||
window.msCancelRequestAnimationFrame ||
clearTimeout;
})(),
// Helpers
translateZ = has3d ? &#39; translateZ(0)&#39; : &#39;&#39;,
// Constructor
iScroll = function (el, options) {
var that = this,
i;
that.wrapper = typeof el == &#39;object&#39; ? el : doc.getElementById(el);
that.wrapper.style.overflow = &#39;hidden&#39;;
that.scroller = that.wrapper.children[0];
// Default options
that.options = {
hScroll: true,
vScroll: true,
x: 0,
y: 0,
bounce: true,
bounceLock: false,
momentum: true,
lockDirection: true,
useTransform: true,
useTransition: false,
topOffset: 0,
checkDOMChanges: false, // Experimental
handleClick: true,
// Scrollbar
hScrollbar: true,
vScrollbar: true,
fixedScrollbar: isAndroid,
hideScrollbar: isIDevice,
fadeScrollbar: isIDevice && has3d,
scrollbarClass: &#39;&#39;,
// Zoom
zoom: false,
zoomMin: 1,
zoomMax: 4,
doubleTapZoom: 2,
wheelAction: &#39;scroll&#39;,
// Snap
snap: false,
snapThreshold: 1,
// Events
onRefresh: null,
onBeforeScrollStart: function (e) { e.preventDefault(); },
onScrollStart: null,
onBeforeScrollMove: null,
onScrollMove: null,
onBeforeScrollEnd: null,
onScrollEnd: null,
onTouchEnd: null,
onDestroy: null,
onZoomStart: null,
onZoom: null,
onZoomEnd: null
};
// User defined options
for (i in options) that.options[i] = options[i];
// Set starting position
that.x = that.options.x;
that.y = that.options.y;
// Normalize options
that.options.useTransform = hasTransform && that.options.useTransform;
that.options.hScrollbar = that.options.hScroll && that.options.hScrollbar;
that.options.vScrollbar = that.options.vScroll && that.options.vScrollbar;
that.options.zoom = that.options.useTransform && that.options.zoom;
that.options.useTransition = hasTransitionEnd && that.options.useTransition;
// Helpers FIX ANDROID BUG!
// translate3d and scale doesn&#39;t work together!
// Ignoring 3d ONLY WHEN YOU SET that.options.zoom
if ( that.options.zoom && isAndroid ){
translateZ = &#39;&#39;;
}
// Set some default styles
that.scroller.style[transitionProperty] = that.options.useTransform ? cssVendor + &#39;transform&#39; : &#39;top left&#39;;
that.scroller.style[transitionDuration] = &#39;0&#39;;
that.scroller.style[transformOrigin] = &#39;0 0&#39;;
if (that.options.useTransition) that.scroller.style[transitionTimingFunction] = &#39;
cubic-bezier(0.33,0.66,0.66,1)&#39;;
if (that.options.useTransform) that.scroller.style[transform] 
= &#39;translate(&#39; + that.x + &#39;px,&#39; + that.y + &#39;px)&#39; + translateZ;
else that.scroller.style.cssText += &#39;;position:absolute;top:&#39; + that.y + &#39;px;left:&#39; + that.x + &#39;px&#39;;
if (that.options.useTransition) that.options.fixedScrollbar = true;
that.refresh();
that._bind(RESIZE_EV, window);
that._bind(START_EV);
if (!hasTouch) {
if (that.options.wheelAction != &#39;none&#39;) {
that._bind(&#39;DOMMouseScroll&#39;);
that._bind(&#39;mousewheel&#39;);
}
}
if (that.options.checkDOMChanges) that.checkDOMTime = setInterval(function () {
that._checkDOMChanges();
}, 500);
};
// Prototype
iScroll.prototype = {
enabled: true,
x: 0,
y: 0,
steps: [],
scale: 1,
currPageX: 0, currPageY: 0,
pagesX: [], pagesY: [],
aniTime: null,
wheelZoomCount: 0,
handleEvent: function (e) {
var that = this;
switch(e.type) {
case START_EV:
if (!hasTouch && e.button !== 0) return;
that._start(e);
break;
case MOVE_EV: that._move(e); break;
case END_EV:
case CANCEL_EV: that._end(e); break;
case RESIZE_EV: that._resize(); break;
case &#39;DOMMouseScroll&#39;: case &#39;mousewheel&#39;: that._wheel(e); break;
case TRNEND_EV: that._transitionEnd(e); break;
}
},
_checkDOMChanges: function () {
if (this.moved || this.zoomed || this.animating ||
(this.scrollerW == this.scroller.offsetWidth 
* this.scale && this.scrollerH == this.scroller.offsetHeight * this.scale)) return;
this.refresh();
},
_scrollbar: function (dir) {
var that = this,
bar;
if (!that[dir + &#39;Scrollbar&#39;]) {
if (that[dir + &#39;ScrollbarWrapper&#39;]) {
if (hasTransform) that[dir + &#39;ScrollbarIndicator&#39;].style[transform] = &#39;&#39;;
that[dir + &#39;ScrollbarWrapper&#39;].parentNode.removeChild(that[dir + &#39;ScrollbarWrapper&#39;]);
that[dir + &#39;ScrollbarWrapper&#39;] = null;
that[dir + &#39;ScrollbarIndicator&#39;] = null;
}
return;
}
if (!that[dir + &#39;ScrollbarWrapper&#39;]) {
// Create the scrollbar wrapper
bar = doc.createElement(&#39;div&#39;);
if (that.options.scrollbarClass) bar.className = that.options.scrollbarClass + dir.toUpperCase();
else bar.style.cssText = &#39;position:absolute;z-index:100;&#39; + (dir == &#39;h&#39; ? &#39;height:7px;bottom:1px;
left:2px;right:&#39; + (that.vScrollbar ? &#39;7&#39; : &#39;2&#39;) + &#39;px&#39; : &#39;width:7px;bottom:&#39; + 
(that.hScrollbar ? &#39;7&#39; : &#39;2&#39;) + &#39;px;top:2px;right:1px&#39;);
bar.style.cssText += &#39;;pointer-events:none;&#39; + cssVendor + &#39;transition-property:opacity;&#39; + 
cssVendor + &#39;transition-duration:&#39; + (that.options.fadeScrollbar ? &#39;350ms&#39; : &#39;0&#39;) + &#39;;
overflow:hidden;opacity:&#39; + (that.options.hideScrollbar ? &#39;0&#39; : &#39;1&#39;);
that.wrapper.appendChild(bar);
that[dir + &#39;ScrollbarWrapper&#39;] = bar;
// Create the scrollbar indicator
bar = doc.createElement(&#39;div&#39;);
if (!that.options.scrollbarClass) {
bar.style.cssText = &#39;position:absolute;z-index:100;background:rgba(0,0,0,0.5);
border:1px solid rgba(255,255,255,0.9);&#39; + cssVendor + &#39;background-clip:padding-box;&#39; + cssVendor + 
&#39;box-sizing:border-box;&#39; + (dir == &#39;h&#39; ? &#39;height:100%&#39; : &#39;width:100%&#39;) + &#39;;&#39; +
 cssVendor + &#39;border-radius:3px;border-radius:3px&#39;;
}
bar.style.cssText += &#39;;pointer-events:none;&#39; + cssVendor + &#39;transition-property:&#39; +
 cssVendor + &#39;transform;&#39; + cssVendor + &#39;transition-timing-function:cubic-bezier(0.33,0.66,0.66,1);&#39;
  + cssVendor + &#39;transition-duration:0;&#39; + cssVendor + &#39;transform: translate(0,0)&#39; + translateZ;
if (that.options.useTransition)
 bar.style.cssText += &#39;;&#39; + cssVendor + &#39;transition-timing-function:cubic-bezier(0.33,0.66,0.66,1)&#39;;
that[dir + &#39;ScrollbarWrapper&#39;].appendChild(bar);
that[dir + &#39;ScrollbarIndicator&#39;] = bar;
}
if (dir == &#39;h&#39;) {
that.hScrollbarSize = that.hScrollbarWrapper.clientWidth;
that.hScrollbarIndicatorSize = m.max(m.round(that.hScrollbarSize * that.hScrollbarSize / that.scrollerW), 8);
that.hScrollbarIndicator.style.width = that.hScrollbarIndicatorSize + &#39;px&#39;;
that.hScrollbarMaxScroll = that.hScrollbarSize - that.hScrollbarIndicatorSize;
that.hScrollbarProp = that.hScrollbarMaxScroll / that.maxScrollX;
} else {
that.vScrollbarSize = that.vScrollbarWrapper.clientHeight;
that.vScrollbarIndicatorSize = m.max(m.round(that.vScrollbarSize * that.vScrollbarSize / that.scrollerH), 8);
that.vScrollbarIndicator.style.height = that.vScrollbarIndicatorSize + &#39;px&#39;;
that.vScrollbarMaxScroll = that.vScrollbarSize - that.vScrollbarIndicatorSize;
that.vScrollbarProp = that.vScrollbarMaxScroll / that.maxScrollY;
}
// Reset position
that._scrollbarPos(dir, true);
},
_resize: function () {
var that = this;
setTimeout(function () { that.refresh(); }, isAndroid ? 200 : 0);
},
_pos: function (x, y) {
if (this.zoomed) return;
x = this.hScroll ? x : 0;
y = this.vScroll ? y : 0;
if (this.options.useTransform) {
this.scroller.style[transform] = &#39;translate(&#39; + x + &#39;px,&#39; + y + &#39;px) scale(&#39; + this.scale + &#39;)&#39; + translateZ;
} else {
x = m.round(x);
y = m.round(y);
this.scroller.style.left = x + &#39;px&#39;;
this.scroller.style.top = y + &#39;px&#39;;
}
this.x = x;
this.y = y;
this._scrollbarPos(&#39;h&#39;);
this._scrollbarPos(&#39;v&#39;);
},
_scrollbarPos: function (dir, hidden) {
var that = this,
pos = dir == &#39;h&#39; ? that.x : that.y,
size;
if (!that[dir + &#39;Scrollbar&#39;]) return;
pos = that[dir + &#39;ScrollbarProp&#39;] * pos;
if (pos < 0) {
if (!that.options.fixedScrollbar) {
size = that[dir + &#39;ScrollbarIndicatorSize&#39;] + m.round(pos * 3);
if (size < 8) size = 8;
that[dir + &#39;ScrollbarIndicator&#39;].style[dir == &#39;h&#39; ? &#39;width&#39; : &#39;height&#39;] = size + &#39;px&#39;;
}
pos = 0;
} else if (pos > that[dir + &#39;ScrollbarMaxScroll&#39;]) {
if (!that.options.fixedScrollbar) {
size = that[dir + &#39;ScrollbarIndicatorSize&#39;] - m.round((pos - that[dir + &#39;ScrollbarMaxScroll&#39;]) * 3);
if (size < 8) size = 8;
that[dir + &#39;ScrollbarIndicator&#39;].style[dir == &#39;h&#39; ? &#39;width&#39; : &#39;height&#39;] = size + &#39;px&#39;;
pos = that[dir + &#39;ScrollbarMaxScroll&#39;] + (that[dir + &#39;ScrollbarIndicatorSize&#39;] - size);
} else {
pos = that[dir + &#39;ScrollbarMaxScroll&#39;];
}
}
that[dir + &#39;ScrollbarWrapper&#39;].style[transitionDelay] = &#39;0&#39;;
that[dir + &#39;ScrollbarWrapper&#39;].style.opacity = hidden && that.options.hideScrollbar ? &#39;0&#39; : &#39;1&#39;;
that[dir + &#39;ScrollbarIndicator&#39;].style[transform] 
= &#39;translate(&#39; + (dir == &#39;h&#39; ? pos + &#39;px,0)&#39; : &#39;0,&#39; + pos + &#39;px)&#39;) + translateZ;
},
_start: function (e) {
var that = this,
point = hasTouch ? e.touches[0] : e,
matrix, x, y,
c1, c2;
if (!that.enabled) return;
if (that.options.onBeforeScrollStart) that.options.onBeforeScrollStart.call(that, e);
if (that.options.useTransition || that.options.zoom) that._transitionTime(0);
that.moved = false;
that.animating = false;
that.zoomed = false;
that.distX = 0;
that.distY = 0;
that.absDistX = 0;
that.absDistY = 0;
that.dirX = 0;
that.dirY = 0;
// Gesture start
if (that.options.zoom && hasTouch && e.touches.length > 1) {
c1 = m.abs(e.touches[0].pageX-e.touches[1].pageX);
c2 = m.abs(e.touches[0].pageY-e.touches[1].pageY);
that.touchesDistStart = m.sqrt(c1 * c1 + c2 * c2);
that.originX = m.abs(e.touches[0].pageX + e.touches[1].pageX - that.wrapperOffsetLeft * 2) / 2 - that.x;
that.originY = m.abs(e.touches[0].pageY + e.touches[1].pageY - that.wrapperOffsetTop * 2) / 2 - that.y;
if (that.options.onZoomStart) that.options.onZoomStart.call(that, e);
}
if (that.options.momentum) {
if (that.options.useTransform) {
// Very lame general purpose alternative to CSSMatrix
matrix = getComputedStyle(that.scroller, null)[transform].replace(/[^0-9\-.,]/g, &#39;&#39;).split(&#39;,&#39;);
x = +(matrix[12] || matrix[4]);
y = +(matrix[13] || matrix[5]);
} else {
x = +getComputedStyle(that.scroller, null).left.replace(/[^0-9-]/g, &#39;&#39;);
y = +getComputedStyle(that.scroller, null).top.replace(/[^0-9-]/g, &#39;&#39;);
}
if (x != that.x || y != that.y) {
if (that.options.useTransition) that._unbind(TRNEND_EV);
else cancelFrame(that.aniTime);
that.steps = [];
that._pos(x, y);
if (that.options.onScrollEnd) that.options.onScrollEnd.call(that);
}
}
that.absStartX = that.x; // Needed by snap threshold
that.absStartY = that.y;
that.startX = that.x;
that.startY = that.y;
that.pointX = point.pageX;
that.pointY = point.pageY;
that.startTime = e.timeStamp || Date.now();
if (that.options.onScrollStart) that.options.onScrollStart.call(that, e);
that._bind(MOVE_EV, window);
that._bind(END_EV, window);
that._bind(CANCEL_EV, window);
},
_move: function (e) {
var that = this,
point = hasTouch ? e.touches[0] : e,
deltaX = point.pageX - that.pointX,
deltaY = point.pageY - that.pointY,
newX = that.x + deltaX,
newY = that.y + deltaY,
c1, c2, scale,
timestamp = e.timeStamp || Date.now();
if (that.options.onBeforeScrollMove) that.options.onBeforeScrollMove.call(that, e);
// Zoom
if (that.options.zoom && hasTouch && e.touches.length > 1) {
c1 = m.abs(e.touches[0].pageX - e.touches[1].pageX);
c2 = m.abs(e.touches[0].pageY - e.touches[1].pageY);
that.touchesDist = m.sqrt(c1*c1+c2*c2);
that.zoomed = true;
scale = 1 / that.touchesDistStart * that.touchesDist * this.scale;
if (scale < that.options.zoomMin) scale = 0.5 * that.options.zoomMin * Math.pow(2.0, 
scale / that.options.zoomMin);
else if (scale > that.options.zoomMax) scale = 2.0 * that.options.zoomMax * 
Math.pow(0.5, that.options.zoomMax / scale);
that.lastScale = scale / this.scale;
newX = this.originX - this.originX * that.lastScale + this.x,
newY = this.originY - this.originY * that.lastScale + this.y;
this.scroller.style[transform] = &#39;translate(&#39; + newX + &#39;px,&#39; + newY + &#39;px) scale(&#39; + scale + &#39;)&#39; + translateZ;
if (that.options.onZoom) that.options.onZoom.call(that, e);
return;
}
that.pointX = point.pageX;
that.pointY = point.pageY;
// Slow down if outside of the boundaries
if (newX > 0 || newX < that.maxScrollX) {
newX = that.options.bounce ? that.x + (deltaX / 2) : newX >= 0 || that.maxScrollX >= 0 ? 0 : that.maxScrollX;
}
if (newY > that.minScrollY || newY < that.maxScrollY) {
newY = that.options.bounce ? that.y + (deltaY / 2) : newY >= that.minScrollY || that.maxScrollY >= 0 ? 
that.minScrollY : that.maxScrollY;
}
that.distX += deltaX;
that.distY += deltaY;
that.absDistX = m.abs(that.distX);
that.absDistY = m.abs(that.distY);
if (that.absDistX < 6 && that.absDistY < 6) {
return;
}
// Lock direction
if (that.options.lockDirection) {
if (that.absDistX > that.absDistY + 5) {
newY = that.y;
deltaY = 0;
} else if (that.absDistY > that.absDistX + 5) {
newX = that.x;
deltaX = 0;
}
}
that.moved = true;
that._pos(newX, newY);
that.dirX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0;
that.dirY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0;
if (timestamp - that.startTime > 300) {
that.startTime = timestamp;
that.startX = that.x;
that.startY = that.y;
}
if (that.options.onScrollMove) that.options.onScrollMove.call(that, e);
},
_end: function (e) {
if (hasTouch && e.touches.length !== 0) return;
var that = this,
point = hasTouch ? e.changedTouches[0] : e,
target, ev,
momentumX = { dist:0, time:0 },
momentumY = { dist:0, time:0 },
duration = (e.timeStamp || Date.now()) - that.startTime,
newPosX = that.x,
newPosY = that.y,
distX, distY,
newDuration,
snap,
scale;
that._unbind(MOVE_EV, window);
that._unbind(END_EV, window);
that._unbind(CANCEL_EV, window);
if (that.options.onBeforeScrollEnd) that.options.onBeforeScrollEnd.call(that, e);
if (that.zoomed) {
scale = that.scale * that.lastScale;
scale = Math.max(that.options.zoomMin, scale);
scale = Math.min(that.options.zoomMax, scale);
that.lastScale = scale / that.scale;
that.scale = scale;
that.x = that.originX - that.originX * that.lastScale + that.x;
that.y = that.originY - that.originY * that.lastScale + that.y;
that.scroller.style[transitionDuration] = &#39;200ms&#39;;
that.scroller.style[transform] = &#39;translate(&#39; + that.x + &#39;px,&#39; + that.y + &#39;px) 
scale(&#39; + that.scale + &#39;)&#39; + translateZ;
that.zoomed = false;
that.refresh();
if (that.options.onZoomEnd) that.options.onZoomEnd.call(that, e);
return;
}
if (!that.moved) {
if (hasTouch) {
if (that.doubleTapTimer && that.options.zoom) {
// Double tapped
clearTimeout(that.doubleTapTimer);
that.doubleTapTimer = null;
if (that.options.onZoomStart) that.options.onZoomStart.call(that, e);
that.zoom(that.pointX, that.pointY, that.scale == 1 ? that.options.doubleTapZoom : 1);
if (that.options.onZoomEnd) {
setTimeout(function() {
that.options.onZoomEnd.call(that, e);
}, 200); // 200 is default zoom duration
}
} else if (this.options.handleClick) {
that.doubleTapTimer = setTimeout(function () {
that.doubleTapTimer = null;
// Find the last touched element
target = point.target;
while (target.nodeType != 1) target = target.parentNode;
if (target.tagName != &#39;SELECT&#39; && target.tagName != &#39;INPUT&#39; && target.tagName != &#39;TEXTAREA&#39;) {
ev = doc.createEvent(&#39;MouseEvents&#39;);
ev.initMouseEvent(&#39;click&#39;, true, true, e.view, 1,
point.screenX, point.screenY, point.clientX, point.clientY,
e.ctrlKey, e.altKey, e.shiftKey, e.metaKey,
0, null);
ev._fake = true;
target.dispatchEvent(ev);
}
}, that.options.zoom ? 250 : 0);
}
}
that._resetPos(400);
if (that.options.onTouchEnd) that.options.onTouchEnd.call(that, e);
return;
}
if (duration < 300 && that.options.momentum) {
momentumX = newPosX ? that._momentum(newPosX - that.startX, duration, -that.x,
 that.scrollerW - that.wrapperW + that.x, that.options.bounce ? that.wrapperW : 0) : momentumX;
momentumY = newPosY ? that._momentum(newPosY - that.startY, duration, -that.y, 
(that.maxScrollY < 0 ? that.scrollerH - that.wrapperH + that.y - that.minScrollY : 0), that.options.bounce ? 
that.wrapperH : 0) : momentumY;
newPosX = that.x + momentumX.dist;
newPosY = that.y + momentumY.dist;
if ((that.x > 0 && newPosX > 0) || (that.x < that.maxScrollX && newPosX < that.maxScrollX))
 momentumX = { dist:0, time:0 };
if ((that.y > that.minScrollY && newPosY > that.minScrollY) || (that.y < that.maxScrollY && newPosY 
< that.maxScrollY)) momentumY = { dist:0, time:0 };
}
if (momentumX.dist || momentumY.dist) {
newDuration = m.max(m.max(momentumX.time, momentumY.time), 10);
// Do we need to snap?
if (that.options.snap) {
distX = newPosX - that.absStartX;
distY = newPosY - that.absStartY;
if (m.abs(distX) < that.options.snapThreshold && m.abs(distY) < that.options.snapThreshold) 
{ that.scrollTo(that.absStartX, that.absStartY, 200); }
else {
snap = that._snap(newPosX, newPosY);
newPosX = snap.x;
newPosY = snap.y;
newDuration = m.max(snap.time, newDuration);
}
}
that.scrollTo(m.round(newPosX), m.round(newPosY), newDuration);
if (that.options.onTouchEnd) that.options.onTouchEnd.call(that, e);
return;
}
// Do we need to snap?
if (that.options.snap) {
distX = newPosX - that.absStartX;
distY = newPosY - that.absStartY;
if (m.abs(distX) < that.options.snapThreshold && m.abs(distY) < that.options.snapThreshold) 
that.scrollTo(that.absStartX, that.absStartY, 200);
else {
snap = that._snap(that.x, that.y);
if (snap.x != that.x || snap.y != that.y) that.scrollTo(snap.x, snap.y, snap.time);
}
if (that.options.onTouchEnd) that.options.onTouchEnd.call(that, e);
return;
}
that._resetPos(200);
if (that.options.onTouchEnd) that.options.onTouchEnd.call(that, e);
},
_resetPos: function (time) {
var that = this,
resetX = that.x >= 0 ? 0 : that.x < that.maxScrollX ? that.maxScrollX : that.x,
resetY = that.y >= that.minScrollY || that.maxScrollY > 0 ? that.minScrollY : that.y 
< that.maxScrollY ? that.maxScrollY : that.y;
if (resetX == that.x && resetY == that.y) {
if (that.moved) {
that.moved = false;
if (that.options.onScrollEnd) that.options.onScrollEnd.call(that); // Execute custom code on scroll end
}
if (that.hScrollbar && that.options.hideScrollbar) {
if (vendor == &#39;webkit&#39;) that.hScrollbarWrapper.style[transitionDelay] = &#39;300ms&#39;;
that.hScrollbarWrapper.style.opacity = &#39;0&#39;;
}
if (that.vScrollbar && that.options.hideScrollbar) {
if (vendor == &#39;webkit&#39;) that.vScrollbarWrapper.style[transitionDelay] = &#39;300ms&#39;;
that.vScrollbarWrapper.style.opacity = &#39;0&#39;;
}
return;
}
that.scrollTo(resetX, resetY, time || 0);
},
_wheel: function (e) {
var that = this,
wheelDeltaX, wheelDeltaY,
deltaX, deltaY,
deltaScale;
if (&#39;wheelDeltaX&#39; in e) {
wheelDeltaX = e.wheelDeltaX / 12;
wheelDeltaY = e.wheelDeltaY / 12;
} else if(&#39;wheelDelta&#39; in e) {
wheelDeltaX = wheelDeltaY = e.wheelDelta / 12;
} else if (&#39;detail&#39; in e) {
wheelDeltaX = wheelDeltaY = -e.detail * 3;
} else {
return;
}
if (that.options.wheelAction == &#39;zoom&#39;) {
deltaScale = that.scale * Math.pow(2, 1/3 * (wheelDeltaY ? wheelDeltaY / Math.abs(wheelDeltaY) : 0));
if (deltaScale < that.options.zoomMin) deltaScale = that.options.zoomMin;
if (deltaScale > that.options.zoomMax) deltaScale = that.options.zoomMax;
if (deltaScale != that.scale) {
if (!that.wheelZoomCount && that.options.onZoomStart) that.options.onZoomStart.call(that, e);
that.wheelZoomCount++;
that.zoom(e.pageX, e.pageY, deltaScale, 400);
setTimeout(function() {
that.wheelZoomCount--;
if (!that.wheelZoomCount && that.options.onZoomEnd) that.options.onZoomEnd.call(that, e);
}, 400);
}
return;
}
deltaX = that.x + wheelDeltaX;
deltaY = that.y + wheelDeltaY;
if (deltaX > 0) deltaX = 0;
else if (deltaX < that.maxScrollX) deltaX = that.maxScrollX;
if (deltaY > that.minScrollY) deltaY = that.minScrollY;
else if (deltaY < that.maxScrollY) deltaY = that.maxScrollY;
if (that.maxScrollY < 0) {
that.scrollTo(deltaX, deltaY, 0);
}
},
_transitionEnd: function (e) {
var that = this;
if (e.target != that.scroller) return;
that._unbind(TRNEND_EV);
that._startAni();
},
/**
*
* Utilities
*
*/
_startAni: function () {
var that = this,
startX = that.x, startY = that.y,
startTime = Date.now(),
step, easeOut,
animate;
if (that.animating) return;
if (!that.steps.length) {
that._resetPos(400);
return;
}
step = that.steps.shift();
if (step.x == startX && step.y == startY) step.time = 0;
that.animating = true;
that.moved = true;
if (that.options.useTransition) {
that._transitionTime(step.time);
that._pos(step.x, step.y);
that.animating = false;
if (step.time) that._bind(TRNEND_EV);
else that._resetPos(0);
return;
}
animate = function () {
var now = Date.now(),
newX, newY;
if (now >= startTime + step.time) {
that._pos(step.x, step.y);
that.animating = false;
if (that.options.onAnimationEnd) that.options.onAnimationEnd.call(that); 
// Execute custom code on animation end
that._startAni();
return;
}
now = (now - startTime) / step.time - 1;
easeOut = m.sqrt(1 - now * now);
newX = (step.x - startX) * easeOut + startX;
newY = (step.y - startY) * easeOut + startY;
that._pos(newX, newY);
if (that.animating) that.aniTime = nextFrame(animate);
};
animate();
},
_transitionTime: function (time) {
time += &#39;ms&#39;;
this.scroller.style[transitionDuration] = time;
if (this.hScrollbar) this.hScrollbarIndicator.style[transitionDuration] = time;
if (this.vScrollbar) this.vScrollbarIndicator.style[transitionDuration] = time;
},
_momentum: function (dist, time, maxDistUpper, maxDistLower, size) {
var deceleration = 0.0006,
speed = m.abs(dist) / time,
newDist = (speed * speed) / (2 * deceleration),
newTime = 0, outsideDist = 0;
// Proportinally reduce speed if we are outside of the boundaries
if (dist > 0 && newDist > maxDistUpper) {
outsideDist = size / (6 / (newDist / speed * deceleration));
maxDistUpper = maxDistUpper + outsideDist;
speed = speed * maxDistUpper / newDist;
newDist = maxDistUpper;
} else if (dist < 0 && newDist > maxDistLower) {
outsideDist = size / (6 / (newDist / speed * deceleration));
maxDistLower = maxDistLower + outsideDist;
speed = speed * maxDistLower / newDist;
newDist = maxDistLower;
}
newDist = newDist * (dist < 0 ? -1 : 1);
newTime = speed / deceleration;
return { dist: newDist, time: m.round(newTime) };
},
_offset: function (el) {
var left = -el.offsetLeft,
top = -el.offsetTop;
while (el = el.offsetParent) {
left -= el.offsetLeft;
top -= el.offsetTop;
}
if (el != this.wrapper) {
left *= this.scale;
top *= this.scale;
}
return { left: left, top: top };
},
_snap: function (x, y) {
var that = this,
i, l,
page, time,
sizeX, sizeY;
// Check page X
page = that.pagesX.length - 1;
for (i=0, l=that.pagesX.length; i<l; i++) {
if (x >= that.pagesX[i]) {
page = i;
break;
}
}
if (page == that.currPageX && page > 0 && that.dirX < 0) page--;
x = that.pagesX
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