mirror of
https://github.com/element-hq/element-web.git
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d3f9a3aeb5
Fixing 1000s of lint issues. Some rules cannot be `--fix`ed but this goes some way to linting the entire codebase.
181 lines
6.5 KiB
JavaScript
181 lines
6.5 KiB
JavaScript
/*
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Copyright 2015, 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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import React from 'react';
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import MFileBody from './MFileBody';
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import MatrixClientPeg from '../../../MatrixClientPeg';
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import { decryptFile, readBlobAsDataUri } from '../../../utils/DecryptFile';
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import Promise from 'bluebird';
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import UserSettingsStore from '../../../UserSettingsStore';
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import { _t } from '../../../languageHandler';
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module.exports = React.createClass({
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displayName: 'MVideoBody',
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propTypes: {
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/* the MatrixEvent to show */
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mxEvent: React.PropTypes.object.isRequired,
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/* called when the video has loaded */
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onWidgetLoad: React.PropTypes.func.isRequired,
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},
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getInitialState: function() {
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return {
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decryptedUrl: null,
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decryptedThumbnailUrl: null,
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decryptedBlob: null,
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error: null,
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};
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},
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thumbScale: 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 1;
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}
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const widthMulti = thumbWidth / fullWidth;
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const 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 widthMulti;
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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 heightMulti;
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}
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},
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_getContentUrl: function() {
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const content = this.props.mxEvent.getContent();
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if (content.file !== undefined) {
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return this.state.decryptedUrl;
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} else {
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return MatrixClientPeg.get().mxcUrlToHttp(content.url);
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}
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},
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_getThumbUrl: function() {
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const content = this.props.mxEvent.getContent();
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if (content.file !== undefined) {
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return this.state.decryptedThumbnailUrl;
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} else if (content.info && content.info.thumbnail_url) {
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return MatrixClientPeg.get().mxcUrlToHttp(content.info.thumbnail_url);
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} else {
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return null;
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}
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},
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componentDidMount: function() {
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const content = this.props.mxEvent.getContent();
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if (content.file !== undefined && this.state.decryptedUrl === null) {
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let thumbnailPromise = Promise.resolve(null);
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if (content.info.thumbnail_file) {
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thumbnailPromise = decryptFile(
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content.info.thumbnail_file,
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).then(function(blob) {
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return readBlobAsDataUri(blob);
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});
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}
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let decryptedBlob;
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thumbnailPromise.then((thumbnailUrl) => {
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return decryptFile(content.file).then(function(blob) {
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decryptedBlob = blob;
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return readBlobAsDataUri(blob);
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}).then((contentUrl) => {
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this.setState({
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decryptedUrl: contentUrl,
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decryptedThumbnailUrl: thumbnailUrl,
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decryptedBlob: decryptedBlob,
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});
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this.props.onWidgetLoad();
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});
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}).catch((err) => {
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console.warn("Unable to decrypt attachment: ", err);
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// Set a placeholder image when we can't decrypt the image.
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this.setState({
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error: err,
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});
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}).done();
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}
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},
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render: function() {
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const content = this.props.mxEvent.getContent();
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if (this.state.error !== null) {
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return (
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<span className="mx_MVideoBody" ref="body">
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<img src="img/warning.svg" width="16" height="16" />
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{ _t("Error decrypting video") }
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</span>
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);
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}
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if (content.file !== undefined && this.state.decryptedUrl === null) {
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// Need to decrypt the attachment
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// The attachment is decrypted in componentDidMount.
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// For now add an img tag with a spinner.
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return (
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<span className="mx_MVideoBody" ref="body">
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<div className="mx_MImageBody_thumbnail" ref="image" style={{
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"display": "flex",
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"align-items": "center",
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"justify-items": "center",
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"width": "100%",
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}}>
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<img src="img/spinner.gif" alt={content.body} width="16" height="16" />
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</div>
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</span>
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);
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}
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const contentUrl = this._getContentUrl();
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const thumbUrl = this._getThumbUrl();
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const autoplay = UserSettingsStore.getSyncedSetting("autoplayGifsAndVideos", false);
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let height = null;
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let width = null;
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let poster = null;
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let preload = "metadata";
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if (content.info) {
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const scale = this.thumbScale(content.info.w, content.info.h, 480, 360);
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if (scale) {
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width = Math.floor(content.info.w * scale);
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height = Math.floor(content.info.h * scale);
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}
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if (thumbUrl) {
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poster = thumbUrl;
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preload = "none";
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}
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}
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return (
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<span className="mx_MVideoBody">
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<video className="mx_MVideoBody" src={contentUrl} alt={content.body}
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controls preload={preload} muted={autoplay} autoPlay={autoplay}
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height={height} width={width} poster={poster}>
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</video>
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<MFileBody {...this.props} decryptedBlob={this.state.decryptedBlob} />
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</span>
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);
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},
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});
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