Image displaying!

skins/base/views/molecules/MImageTile.js

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+/*
+Copyright 2015 OpenMarket Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+'use strict';
+
+var React = require('react');
+
+var MImageTileController = require("../../../../src/controllers/molecules/MImageTile");
+
+var MatrixClientPeg = require('../../../../src/MatrixClientPeg');
+
+module.exports = React.createClass({
+    displayName: 'MImageTile',
+    mixins: [MImageTileController],
+
+    thumbHeight: function(fullWidth, fullHeight, thumbWidth, thumbHeight) {
+        if (!fullWidth || !fullHeight) {
+            // Cannot calculate thumbnail height for image: missing w/h in metadata. We can't even
+            // log this because it's spammy
+            return undefined;
+        }
+        if (fullWidth < thumbWidth && fullHeight < thumbHeight) {
+            // no scaling needs to be applied
+            return fullHeight;
+        }
+        var widthMulti = thumbWidth / fullWidth;
+        var heightMulti = thumbHeight / fullHeight;
+        if (widthMulti < heightMulti) {
+            // width is the dominant dimension so scaling will be fixed on that
+            return Math.floor(widthMulti * fullHeight);
+        }
+        else {
+            // height is the dominant dimension so scaling will be fixed on that
+            return Math.floor(heightMulti * fullHeight);
+        }
+    },
+
+    render: function() {
+        var content = this.props.mxEvent.getContent();
+        var cli = MatrixClientPeg.get();
+
+        var thumbHeight = null;
+        if (content.info) thumbHeight = this.thumbHeight(content.info.w, content.info.h, 320, 240);
+
+        var imgStyle = {};
+        if (thumbHeight) imgStyle['height'] = thumbHeight;
+
+        return (
+            <span className="mx_MImageTile">
+                <a href={cli.mxcUrlToHttp(content.url)} target="_blank">
+                    <img src={cli.mxcUrlToHttp(content.url, 320, 240)} alt={content.body} style={imgStyle} />
+                </a>
+            </span>
+        );
+    },
+});