mirror of
https://github.com/vector-im/element-web.git
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70 lines
2.4 KiB
JavaScript
70 lines
2.4 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 MImageTileController = require("../../../../src/controllers/molecules/MImageTile");
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var MatrixClientPeg = require('../../../../src/MatrixClientPeg');
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module.exports = React.createClass({
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displayName: 'MImageTile',
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mixins: [MImageTileController],
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thumbHeight: function(fullWidth, fullHeight, thumbWidth, thumbHeight) {
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if (!fullWidth || !fullHeight) {
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// Cannot calculate thumbnail height for image: missing w/h in metadata. We can't even
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// log this because it's spammy
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return undefined;
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}
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if (fullWidth < thumbWidth && fullHeight < thumbHeight) {
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// no scaling needs to be applied
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return fullHeight;
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}
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var widthMulti = thumbWidth / fullWidth;
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var heightMulti = thumbHeight / fullHeight;
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if (widthMulti < heightMulti) {
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// width is the dominant dimension so scaling will be fixed on that
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return Math.floor(widthMulti * fullHeight);
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}
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else {
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// height is the dominant dimension so scaling will be fixed on that
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return Math.floor(heightMulti * fullHeight);
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}
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},
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render: function() {
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var content = this.props.mxEvent.getContent();
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var cli = MatrixClientPeg.get();
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var thumbHeight = null;
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if (content.info) thumbHeight = this.thumbHeight(content.info.w, content.info.h, 320, 240);
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var imgStyle = {};
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if (thumbHeight) imgStyle['height'] = thumbHeight;
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return (
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<span className="mx_MImageTile">
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<a href={cli.mxcUrlToHttp(content.url)} target="_blank">
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<img src={cli.mxcUrlToHttp(content.url, 320, 240)} alt={content.body} style={imgStyle} />
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</a>
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</span>
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);
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},
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});
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