be3da9984e
Scroll bar appears even if the window is at the top of the screen. Fix https://github.com/FreshRSS/FreshRSS/issues/697
39 lines
905 B
JavaScript
39 lines
905 B
JavaScript
"use strict";
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var sticky_feeds = {
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tree: null,
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initial_pos_top: 0,
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width: 0,
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window: null,
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init: function() {
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if (!window.$) {
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window.setTimeout(sticky_feeds.init, 50);
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return;
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}
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sticky_feeds.tree = $('#aside_feed .tree');
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if (sticky_feeds.tree.length > 0) {
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sticky_feeds.window = $(window);
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sticky_feeds.initial_pos_top = sticky_feeds.tree.position().top;
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sticky_feeds.tree.css('min-width', $('#aside_feed').width());
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sticky_feeds.tree.addClass('sticky');
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sticky_feeds.window.on('scroll', sticky_feeds.scroller);
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sticky_feeds.scroller();
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}
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},
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scroller: function() {
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var pos_top_window = sticky_feeds.window.scrollTop();
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if (pos_top_window < sticky_feeds.initial_pos_top) {
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sticky_feeds.tree.css('top', sticky_feeds.initial_pos_top - pos_top_window + 10);
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} else {
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sticky_feeds.tree.css('top', 0);
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}
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},
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};
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window.onload = sticky_feeds.init;
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