mirror of https://github.com/friendica/friendica
40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
'use strict';
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var instances = require('../instances');
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var updateGeometry = require('../update-geometry');
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var updateScroll = require('../update-scroll');
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function bindClickRailHandler(element, i) {
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function pageOffset(el) {
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return el.getBoundingClientRect();
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}
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var stopPropagation = function (e) { e.stopPropagation(); };
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i.event.bind(i.scrollbarY, 'click', stopPropagation);
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i.event.bind(i.scrollbarYRail, 'click', function (e) {
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var positionTop = e.pageY - window.pageYOffset - pageOffset(i.scrollbarYRail).top;
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var direction = positionTop > i.scrollbarYTop ? 1 : -1;
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updateScroll(element, 'top', element.scrollTop + direction * i.containerHeight);
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updateGeometry(element);
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e.stopPropagation();
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});
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i.event.bind(i.scrollbarX, 'click', stopPropagation);
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i.event.bind(i.scrollbarXRail, 'click', function (e) {
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var positionLeft = e.pageX - window.pageXOffset - pageOffset(i.scrollbarXRail).left;
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var direction = positionLeft > i.scrollbarXLeft ? 1 : -1;
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updateScroll(element, 'left', element.scrollLeft + direction * i.containerWidth);
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updateGeometry(element);
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e.stopPropagation();
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});
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}
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module.exports = function (element) {
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var i = instances.get(element);
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bindClickRailHandler(element, i);
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};
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