jQuery iScroll.js 移动端滚动条美化插件第3/5页

; sizeY = m.abs(y - that.pagesY[that.currPageY]); sizeY = sizeY ? m.abs(that.y - y) / sizeY * 500 : 0; that.currPageY = page; // Snap with constant speed (proportional duration) time = m.round(m.max(sizeX, sizeY)) || 200; return { x: x, y: y, time: time }; }, _bind: function (type, el, bubble) { (el || this.scroller).addEventListener(type, this, !!bubble); }, _unbind: function (type, el, bubble) { (el || this.scroller).removeEventListener(type, this, !!bubble); }, /** * * Public methods * */ destroy: function () { var that = this; that.scroller.style[transform] = ''; // Remove the scrollbars that.hScrollbar = false; that.vScrollbar = false; that._scrollbar('h'); that._scrollbar('v'); // Remove the event listeners that._unbind(RESIZE_EV, window); that._unbind(START_EV); that._unbind(MOVE_EV, window); that._unbind(END_EV, window); that._unbind(CANCEL_EV, window); if (!that.options.hasTouch) { that._unbind('DOMMouseScroll'); that._unbind('mousewheel'); } if (that.options.useTransition) that._unbind(TRNEND_EV); if (that.options.checkDOMChanges) clearInterval(that.checkDOMTime); if (that.options.onDestroy) that.options.onDestroy.call(that); }, refresh: function () { var that = this, offset, i, l, els, pos = 0, page = 0; if (that.scale < that.options.zoomMin) that.scale = that.options.zoomMin; that.wrapperW = that.wrapper.clientWidth || 1; that.wrapperH = that.wrapper.clientHeight || 1; that.minScrollY = -that.options.topOffset || 0; that.scrollerW = m.round(that.scroller.offsetWidth * that.scale); that.scrollerH = m.round((that.scroller.offsetHeight + that.minScrollY) * that.scale); that.maxScrollX = that.wrapperW - that.scrollerW; that.maxScrollY = that.wrapperH - that.scrollerH + that.minScrollY; that.dirX = 0; that.dirY = 0; if (that.options.onRefresh) that.options.onRefresh.call(that); that.hScroll = that.options.hScroll && that.maxScrollX < 0; that.vScroll = that.options.vScroll && (!that.options.bounceLock && !that.hScroll || that.scrollerH > that.wrapperH); that.hScrollbar = that.hScroll && that.options.hScrollbar; that.vScrollbar = that.vScroll && that.options.vScrollbar && that.scrollerH > that.wrapperH; offset = that._offset(that.wrapper); that.wrapperOffsetLeft = -offset.left; that.wrapperOffsetTop = -offset.top; // Prepare snap if (typeof that.options.snap == 'string') { that.pagesX = []; that.pagesY = []; els = that.scroller.querySelectorAll(that.options.snap); for (i=0, l=els.length; i<l; i++) { pos = that._offset(els[i]); pos.left += that.wrapperOffsetLeft; pos.top += that.wrapperOffsetTop; that.pagesX[i] = pos.left < that.maxScrollX ? that.maxScrollX : pos.left * that.scale; that.pagesY[i] = pos.top < that.maxScrollY ? that.maxScrollY : pos.top * that.scale; } } else if (that.options.snap) { that.pagesX = []; while (pos >= that.maxScrollX) { that.pagesX

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