mirror of https://github.com/vector-im/riot-web
60 lines
1.8 KiB
JavaScript
60 lines
1.8 KiB
JavaScript
/*
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Copyright 2015 OpenMarket Ltd
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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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'use strict';
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var React = require('react');
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var ImageViewController = require("../../../../src/controllers/atoms/ImageView");
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module.exports = React.createClass({
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displayName: 'ImageView',
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mixins: [ImageViewController],
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render: function() {
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// XXX: can't we just do max-width: 80%, max-height: 80% on the CSS?
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var width = this.props.width || 500;
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var height = this.props.height || 500;
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var maxWidth = document.documentElement.clientWidth * 0.8;
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var maxHeight = document.documentElement.clientHeight * 0.8;
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var widthFrac = width / maxWidth;
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var heightFrac = height / maxHeight;
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var displayWidth;
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var displayHeight;
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if (widthFrac > heightFrac) {
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displayWidth = Math.min(width, maxWidth);
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displayHeight = (displayWidth / width) * height;
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} else {
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displayHeight = Math.min(height, maxHeight);
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displayWidth = (displayHeight / height) * width;
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}
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var style = {
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width: displayWidth,
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height: displayHeight
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};
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return (
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<img className="mx_ImageView" src={this.props.src} style={style} />
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);
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}
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});
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