diff options
Diffstat (limited to 'web/react/components/file_attachment.jsx')
| -rw-r--r-- | web/react/components/file_attachment.jsx | 158 |
1 files changed, 138 insertions, 20 deletions
diff --git a/web/react/components/file_attachment.jsx b/web/react/components/file_attachment.jsx index c6dff6550..57cccc4e0 100644 --- a/web/react/components/file_attachment.jsx +++ b/web/react/components/file_attachment.jsx @@ -10,9 +10,12 @@ export default class FileAttachment extends React.Component { super(props); this.loadFiles = this.loadFiles.bind(this); + this.playGif = this.playGif.bind(this); + this.stopGif = this.stopGif.bind(this); + this.addBackgroundImage = this.addBackgroundImage.bind(this); this.canSetState = false; - this.state = {fileSize: -1}; + this.state = {fileSize: -1, mime: '', playing: false, loading: false, format: ''}; } componentDidMount() { this.loadFiles(); @@ -28,15 +31,9 @@ export default class FileAttachment extends React.Component { var filename = this.props.filename; if (filename) { - var fileInfo = utils.splitFileLocation(filename); + var fileInfo = this.getFileInfoFromName(filename); var type = utils.getFileType(fileInfo.ext); - // This is a temporary patch to fix issue with old files using absolute paths - if (fileInfo.path.indexOf('/api/v1/files/get') !== -1) { - fileInfo.path = fileInfo.path.split('/api/v1/files/get')[1]; - } - fileInfo.path = utils.getWindowLocationOrigin() + '/api/v1/files/get' + fileInfo.path; - if (type === 'image') { var self = this; // Need this reference since we use the given "this" $('<img/>').attr('src', fileInfo.path + '_thumb.jpg').load(function loadWrapper(path, name) { @@ -58,11 +55,7 @@ export default class FileAttachment extends React.Component { $(imgDiv).addClass('normal'); } - var re1 = new RegExp(' ', 'g'); - var re2 = new RegExp('\\(', 'g'); - var re3 = new RegExp('\\)', 'g'); - var url = path.replace(re1, '%20').replace(re2, '%28').replace(re3, '%29'); - $(imgDiv).css('background-image', 'url(' + url + '_thumb.jpg)'); + self.addBackgroundImage(name, path); } }; }(fileInfo.path, filename)); @@ -93,6 +86,75 @@ export default class FileAttachment extends React.Component { return true; } + playGif(e, filename) { + var img = new Image(); + var fileUrl = utils.getFileUrl(filename); + + this.setState({loading: true}); + img.load(fileUrl); + img.onload = () => { + var state = {playing: true, loading: false}; + + switch (true) { + case img.width > img.height: + state.format = 'landscape'; + break; + case img.height > img.width: + state.format = 'portrait'; + break; + default: + state.format = 'quadrat'; + break; + } + + this.setState(state); + + // keep displaying background image for a short moment while browser is + // loading gif, to prevent white background flashing through + setTimeout(() => this.removeBackgroundImage.bind(this)(filename), 100); + }; + img.onError = () => this.setState({loading: false}); + + e.stopPropagation(); + } + stopGif(e, filename) { + this.setState({playing: false}); + this.addBackgroundImage(filename); + e.stopPropagation(); + } + getFileInfoFromName(name) { + var fileInfo = utils.splitFileLocation(name); + + // This is a temporary patch to fix issue with old files using absolute paths + if (fileInfo.path.indexOf('/api/v1/files/get') !== -1) { + fileInfo.path = fileInfo.path.split('/api/v1/files/get')[1]; + } + fileInfo.path = utils.getWindowLocationOrigin() + '/api/v1/files/get' + fileInfo.path; + + return fileInfo; + } + addBackgroundImage(name, path) { + var fileUrl = path; + + if (name in this.refs) { + if (!path) { + fileUrl = this.getFileInfoFromName(name).path; + } + + var imgDiv = ReactDOM.findDOMNode(this.refs[name]); + var re1 = new RegExp(' ', 'g'); + var re2 = new RegExp('\\(', 'g'); + var re3 = new RegExp('\\)', 'g'); + var url = fileUrl.replace(re1, '%20').replace(re2, '%28').replace(re3, '%29'); + + $(imgDiv).css('background-image', 'url(' + url + '_thumb.jpg)'); + } + } + removeBackgroundImage(name) { + if (name in this.refs) { + $(ReactDOM.findDOMNode(this.refs[name])).css('background-image', 'initial'); + } + } render() { var filename = this.props.filename; @@ -100,15 +162,71 @@ export default class FileAttachment extends React.Component { var fileUrl = utils.getFileUrl(filename); var type = utils.getFileType(fileInfo.ext); - var thumbnail; - if (type === 'image') { - thumbnail = ( + var playbackControls = ''; + var loadedFile = ''; + var loadingIndicator = ''; + if (this.state.mime === 'image/gif') { + playbackControls = ( <div - ref={filename} - className='post__load' - style={{backgroundImage: 'url(/static/images/load.gif)'}} + className='file-playback-controls play' + onClick={(e) => this.playGif(e, filename)} + > + {"►"} + </div> + ); + } + if (this.state.playing) { + loadedFile = ( + <img + className={'file__loaded ' + this.state.format} + src={fileUrl} + /> + ); + playbackControls = ( + <div + className='file-playback-controls stop' + onClick={(e) => this.stopGif(e, filename)} + > + {"■"} + </div> + ); + } + if (this.state.loading) { + loadingIndicator = ( + <img + className='spinner file__loading' + src='/static/images/load.gif' /> ); + playbackControls = ''; + } + + var thumbnail; + if (type === 'image') { + if (this.state.playing) { + thumbnail = ( + <div + ref={filename} + className='post__load' + style={{backgroundImage: 'url(/static/images/load.gif)'}} + > + {playbackControls} + {loadedFile} + </div> + ); + } else { + thumbnail = ( + <div + ref={filename} + className='post__load' + style={{backgroundImage: 'url(/static/images/load.gif)'}} + > + {loadingIndicator} + {playbackControls} + {loadedFile} + </div> + ); + } } else { thumbnail = <div className={'file-icon ' + utils.getIconClassName(type)}/>; } @@ -119,7 +237,7 @@ export default class FileAttachment extends React.Component { filename, function success(data) { if (this.canSetState) { - this.setState({fileSize: parseInt(data.size, 10)}); + this.setState({fileSize: parseInt(data.size, 10), mime: data.mime}); } }.bind(this), function error() {} |