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hide scrollbar when no scrolling is possible #1

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merged 1 commit into from
Oct 7, 2015
Merged

hide scrollbar when no scrolling is possible #1

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40 changes: 22 additions & 18 deletions simple-scrollbar.css
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Original file line number Diff line number Diff line change
@@ -1,20 +1,20 @@
.ss-wrapper {
overflow : hidden;
height : 100%;
position : relative;
z-index : 1;
float: left;
overflow : hidden;
height : 100%;
position : relative;
z-index : 1;
float: left;
}

.ss-content {
height : 100%;
width : 100%;
padding : 0 32px 0 0;
position : relative;
right : -18px;
overflow : auto;
-moz-box-sizing : border-box;
box-sizing : border-box;
height : 100%;
width : 100%;
padding : 0 32px 0 0;
position : relative;
right : -18px;
overflow : auto;
-moz-box-sizing : border-box;
box-sizing : border-box;
}

.ss-scroll {
Expand All @@ -29,14 +29,18 @@
transition: opacity 0.25s linear;
}

.ss-hidden {
display: none;
}

.ss-container:hover .ss-scroll {
opacity: 1;
}

.ss-grabbed {
user-select: none;
-o-user-select: none;
-moz-user-select: none;
-khtml-user-select: none;
-webkit-user-select: none;
user-select: none;
-o-user-select: none;
-moz-user-select: none;
-khtml-user-select: none;
-webkit-user-select: none;
}
12 changes: 9 additions & 3 deletions simple-scrollbar.js
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Original file line number Diff line number Diff line change
Expand Up @@ -77,19 +77,25 @@
this.scrollRatio = ownHeight / totalHeight;

raf(function() {
_this.bar.style.cssText = 'height:' + (ownHeight / totalHeight) * 100 + '%; top:' + (_this.el.scrollTop / totalHeight ) * 100 + '%;right:-' + (_this.target.clientWidth - _this.bar.clientWidth) + 'px;';
// Hide scrollbar if no scrolling is possible
if(_this.scrollRatio === 1) {
_this.bar.classList.add('ss-hidden')
} else {
_this.bar.classList.remove('ss-hidden')
_this.bar.style.cssText = 'height:' + (_this.scrollRatio) * 100 + '%; top:' + (_this.el.scrollTop / totalHeight ) * 100 + '%;right:-' + (_this.target.clientWidth - _this.bar.clientWidth) + 'px;';
}
});
}
}

function initAll() {
var nodes = d.querySelectorAll('*[ss-container]');

for (var i = 0; i < nodes.length; i++) {
initEl(nodes[i]);
}
}

d.addEventListener('DOMContentLoaded', initAll);
ss.initEl = initEl;
ss.initAll = initAll;
Expand Down
2 changes: 1 addition & 1 deletion simple-scrollbar.min.js
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