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author | Christopher Speller <crspeller@gmail.com> | 2016-03-16 18:16:11 -0400 |
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committer | Christopher Speller <crspeller@gmail.com> | 2016-03-16 18:16:11 -0400 |
commit | 4a4859351a4cd277f94d3faa804daaad0733b270 (patch) | |
tree | 4e7f83d3e2564b9b89d669e9f7905ff11768b11a /webapp/components/post_image.jsx | |
parent | 29fe6a3d13c9c7aa490fffebbe5d1b5fdf1e3090 (diff) | |
parent | 12896bd23eeba79884245c1c29fdc568cf21a7fa (diff) | |
download | chat-4a4859351a4cd277f94d3faa804daaad0733b270.tar.gz chat-4a4859351a4cd277f94d3faa804daaad0733b270.tar.bz2 chat-4a4859351a4cd277f94d3faa804daaad0733b270.zip |
Merge pull request #2453 from mattermost/plt-2340
PLT-2340 Converting to Webpack. Stage 1.
Diffstat (limited to 'webapp/components/post_image.jsx')
-rw-r--r-- | webapp/components/post_image.jsx | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/webapp/components/post_image.jsx b/webapp/components/post_image.jsx new file mode 100644 index 000000000..d1d1a6c7a --- /dev/null +++ b/webapp/components/post_image.jsx @@ -0,0 +1,83 @@ +// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved. +// See License.txt for license information. + +import React from 'react'; + +export default class PostImageEmbed extends React.Component { + constructor(props) { + super(props); + + this.handleLoadComplete = this.handleLoadComplete.bind(this); + this.handleLoadError = this.handleLoadError.bind(this); + + this.state = { + loaded: false, + errored: false + }; + } + + componentWillMount() { + this.loadImg(this.props.link); + } + + componentWillReceiveProps(nextProps) { + if (nextProps.link !== this.props.link) { + this.setState({ + loaded: false, + errored: false + }); + } + } + + componentDidUpdate(prevProps) { + if (!this.state.loaded && prevProps.link !== this.props.link) { + this.loadImg(this.props.link); + } + } + + loadImg(src) { + const img = new Image(); + img.onload = this.handleLoadComplete; + img.onerror = this.handleLoadError; + img.src = src; + } + + handleLoadComplete() { + this.setState({ + loaded: true + }); + } + + handleLoadError() { + this.setState({ + errored: true, + loaded: true + }); + } + + render() { + if (this.state.errored) { + return null; + } + + if (!this.state.loaded) { + return ( + <img + className='img-div placeholder' + height='500px' + /> + ); + } + + return ( + <img + className='img-div' + src={this.props.link} + /> + ); + } +} + +PostImageEmbed.propTypes = { + link: React.PropTypes.string.isRequired +}; |