2016-03-31 20:38:01 +03:00
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/*
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Copyright 2016 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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2016-04-04 02:18:18 +03:00
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var sdk = require('../../../index');
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2016-03-31 20:38:01 +03:00
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var MatrixClientPeg = require('../../../MatrixClientPeg');
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2016-04-02 02:36:19 +03:00
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var ImageUtils = require('../../../ImageUtils');
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var Modal = require('../../../Modal');
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2016-03-31 20:38:01 +03:00
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2016-04-01 04:23:29 +03:00
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var linkify = require('linkifyjs');
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var linkifyElement = require('linkifyjs/element');
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var linkifyMatrix = require('../../../linkify-matrix');
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linkifyMatrix(linkify);
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2016-03-31 20:38:01 +03:00
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module.exports = React.createClass({
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displayName: 'LinkPreviewWidget',
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propTypes: {
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link: React.PropTypes.string.isRequired, // the URL being previewed
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mxEvent: React.PropTypes.object.isRequired, // the Event associated with the preview
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onCancelClick: React.PropTypes.func, // called when the preview's cancel ('hide') button is clicked
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onWidgetLoad: React.PropTypes.func, // called when the preview's contents has loaded
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2016-03-31 20:38:01 +03:00
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},
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getInitialState: function() {
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return {
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preview: null
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};
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},
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componentWillMount: function() {
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this.unmounted = false;
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2016-04-03 04:50:36 +03:00
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MatrixClientPeg.get().getUrlPreview(this.props.link, this.props.mxEvent.getTs()).then((res)=>{
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if (this.unmounted) {
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return;
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}
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this.setState(
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{ preview: res },
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this.props.onWidgetLoad
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);
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}, (error)=>{
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console.error("Failed to get preview for " + this.props.link + " " + error);
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}).done();
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},
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2016-04-01 04:23:29 +03:00
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componentDidMount: function() {
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if (this.refs.description)
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linkifyElement(this.refs.description, linkifyMatrix.options);
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},
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componentDidUpdate: function() {
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if (this.refs.description)
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linkifyElement(this.refs.description, linkifyMatrix.options);
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},
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2016-04-18 16:51:17 +03:00
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componentWillUnmount: function() {
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this.unmounted = true;
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},
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2016-07-15 18:54:56 +03:00
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onImageClick: function(ev) {
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var p = this.state.preview;
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if (ev.button != 0 || ev.metaKey) return;
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ev.preventDefault();
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var ImageView = sdk.getComponent("elements.ImageView");
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var src = p["og:image"];
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if (src && src.startsWith("mxc://")) {
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src = MatrixClientPeg.get().mxcUrlToHttp(src);
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}
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var params = {
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src: src,
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width: p["og:image:width"],
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height: p["og:image:height"],
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name: p["og:title"] || p["og:description"] || this.props.link,
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fileSize: p["matrix:image:size"],
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link: this.props.link,
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};
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Modal.createDialog(ImageView, params, "mx_Dialog_lightbox");
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},
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render: function() {
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var p = this.state.preview;
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if (!p) return <div/>;
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2016-04-02 04:46:19 +03:00
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// FIXME: do we want to factor out all image displaying between this and MImageBody - especially for lightboxing?
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var image = p["og:image"];
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var imageMaxWidth = 100, imageMaxHeight = 100;
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if (image && image.startsWith("mxc://")) {
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image = MatrixClientPeg.get().mxcUrlToHttp(image, imageMaxWidth, imageMaxHeight);
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}
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var thumbHeight = imageMaxHeight;
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if (p["og:image:width"] && p["og:image:height"]) {
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thumbHeight = ImageUtils.thumbHeight(p["og:image:width"], p["og:image:height"], imageMaxWidth, imageMaxHeight);
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}
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var img;
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if (image) {
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img = <div className="mx_LinkPreviewWidget_image" style={{ height: thumbHeight }}>
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<img style={{ maxWidth: imageMaxWidth, maxHeight: imageMaxHeight }} src={ image } onClick={ this.onImageClick }/>
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</div>
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}
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return (
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<div className="mx_LinkPreviewWidget" >
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{ img }
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<div className="mx_LinkPreviewWidget_caption">
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<div className="mx_LinkPreviewWidget_title"><a href={ this.props.link } target="_blank" rel="noopener">{ p["og:title"] }</a></div>
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<div className="mx_LinkPreviewWidget_siteName">{ p["og:site_name"] ? (" - " + p["og:site_name"]) : null }</div>
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<div className="mx_LinkPreviewWidget_description" ref="description">
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{ p["og:description"] }
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</div>
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</div>
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<img className="mx_LinkPreviewWidget_cancel" src="img/cancel.svg" width="18" height="18"
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onClick={ this.props.onCancelClick }/>
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</div>
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);
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}
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});
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