}
if (that.hScrollbar && that.options.hideScrollbar) {
if (vendor == 'webkit') that.hScrollbarWrapper.style[transitionDelay] = '300ms';
that.hScrollbarWrapper.style.opacity = '0';
}
if (that.vScrollbar && that.options.hideScrollbar) {
if (vendor == 'webkit') that.vScrollbarWrapper.style[transitionDelay] = '300ms';
that.vScrollbarWrapper.style.opacity = '0';
}
return;
}
that.scrollTo(resetX, resetY, time || 0);
},
_wheel: function (e) {
var that = this,
wheelDeltaX, wheelDeltaY,
deltaX, deltaY,
deltaScale;
if ('wheelDeltaX' in e) {
wheelDeltaX = e.wheelDeltaX / 12;
wheelDeltaY = e.wheelDeltaY / 12;
} else if('wheelDelta' in e) {
wheelDeltaX = wheelDeltaY = e.wheelDelta / 12;
} else if ('detail' in e) {
wheelDeltaX = wheelDeltaY = -e.detail * 3;
} else {
return;
}
if (that.options.wheelAction == 'zoom') {
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);
