mirror of
https://github.com/element-hq/element-web
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51 lines
1.5 KiB
JavaScript
51 lines
1.5 KiB
JavaScript
/*
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Copyright 2018 New Vector Ltd
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Copyright 2020 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import React from "react";
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export default class AutoHideScrollbar extends React.Component {
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constructor(props) {
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super(props);
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this._collectContainerRef = this._collectContainerRef.bind(this);
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}
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_collectContainerRef(ref) {
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if (ref && !this.containerRef) {
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this.containerRef = ref;
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}
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if (this.props.wrappedRef) {
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this.props.wrappedRef(ref);
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}
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}
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getScrollTop() {
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return this.containerRef.scrollTop;
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}
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render() {
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return (<div
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ref={this._collectContainerRef}
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style={this.props.style}
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className={["mx_AutoHideScrollbar", this.props.className].join(" ")}
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onScroll={this.props.onScroll}
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onWheel={this.props.onWheel}
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tabIndex={this.props.tabIndex}
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>
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{ this.props.children }
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</div>);
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}
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}
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