2015-11-27 18:02:32 +03:00
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/*
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2016-01-07 07:06:39 +03:00
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Copyright 2015, 2016 OpenMarket Ltd
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2015-11-27 18:02:32 +03:00
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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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2016-11-08 14:42:20 +03:00
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import React from 'react';
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2017-12-26 04:03:18 +03:00
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import PropTypes from 'prop-types';
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2018-02-06 20:50:53 +03:00
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import { MatrixClient } from 'matrix-js-sdk';
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2016-11-04 21:20:20 +03:00
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import MFileBody from './MFileBody';
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2016-11-08 14:42:20 +03:00
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import ImageUtils from '../../../ImageUtils';
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import Modal from '../../../Modal';
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import sdk from '../../../index';
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import dis from '../../../dispatcher';
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2016-12-02 17:21:07 +03:00
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import { decryptFile, readBlobAsDataUri } from '../../../utils/DecryptFile';
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2017-07-12 15:58:14 +03:00
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import Promise from 'bluebird';
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2017-05-30 17:09:57 +03:00
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import { _t } from '../../../languageHandler';
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2017-10-29 10:43:52 +03:00
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import SettingsStore from "../../../settings/SettingsStore";
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2016-11-02 19:26:10 +03:00
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2018-02-26 17:01:33 +03:00
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export default class extends React.Component {
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displayName: 'MImageBody'
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static propTypes = {
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/* the MatrixEvent to show */
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mxEvent: PropTypes.object.isRequired,
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/* called when the image has loaded */
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onWidgetLoad: PropTypes.func.isRequired,
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}
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2015-11-27 18:02:32 +03:00
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2018-02-26 17:01:33 +03:00
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static contextTypes = {
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matrixClient: PropTypes.instanceOf(MatrixClient),
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}
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constructor(props) {
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super(props);
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this.onAction = this.onAction.bind(this);
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this.onImageError = this.onImageError.bind(this);
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2018-04-29 06:28:15 +03:00
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this.onImageLoad = this.onImageLoad.bind(this);
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this.onImageEnter = this.onImageEnter.bind(this);
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this.onImageLeave = this.onImageLeave.bind(this);
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this.onClientSync = this.onClientSync.bind(this);
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this.onClick = this.onClick.bind(this);
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this.fixupHeight = this.fixupHeight.bind(this);
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this._isGif = this._isGif.bind(this);
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this.state = {
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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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imgError: false,
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};
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}
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componentWillMount() {
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this.unmounted = false;
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this.context.matrixClient.on('sync', this.onClientSync);
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}
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onClientSync(syncState, prevState) {
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if (this.unmounted) return;
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// Consider the client reconnected if there is no error with syncing.
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// This means the state could be RECONNECTING, SYNCING or PREPARED.
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const reconnected = syncState !== "ERROR" && prevState !== syncState;
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if (reconnected && this.state.imgError) {
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// Load the image again
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this.setState({
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imgError: false,
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});
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}
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}
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onClick(ev) {
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if (ev.button == 0 && !ev.metaKey) {
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ev.preventDefault();
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const content = this.props.mxEvent.getContent();
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const httpUrl = this._getContentUrl();
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const ImageView = sdk.getComponent("elements.ImageView");
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const params = {
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src: httpUrl,
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name: content.body && content.body.length > 0 ? content.body : _t('Attachment'),
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mxEvent: this.props.mxEvent,
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};
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if (content.info) {
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params.width = content.info.w;
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params.height = content.info.h;
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params.fileSize = content.info.size;
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}
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Modal.createDialog(ImageView, params, "mx_Dialog_lightbox");
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}
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}
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_isGif() {
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const content = this.props.mxEvent.getContent();
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return (
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content &&
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content.info &&
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content.info.mimetype === "image/gif"
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);
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}
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onImageEnter(e) {
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if (!this._isGif() || SettingsStore.getValue("autoplayGifsAndVideos")) {
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return;
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}
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const imgElement = e.target;
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imgElement.src = this._getContentUrl();
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}
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onImageLeave(e) {
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if (!this._isGif() || SettingsStore.getValue("autoplayGifsAndVideos")) {
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return;
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}
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const imgElement = e.target;
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imgElement.src = this._getThumbUrl();
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}
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2018-02-26 17:01:33 +03:00
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onImageError() {
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this.setState({
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imgError: true,
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});
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}
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2018-02-06 20:50:53 +03:00
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2018-04-29 06:28:15 +03:00
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onImageLoad() {
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this.fixupHeight();
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this.props.onWidgetLoad();
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}
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_getContentUrl() {
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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 this.context.matrixClient.mxcUrlToHttp(content.url);
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}
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}
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2016-11-04 14:52:47 +03:00
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_getThumbUrl() {
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const content = this.props.mxEvent.getContent();
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if (content.file !== undefined) {
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// Don't use the thumbnail for clients wishing to autoplay gifs.
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2016-11-15 14:22:39 +03:00
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if (this.state.decryptedThumbnailUrl) {
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return this.state.decryptedThumbnailUrl;
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}
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return this.state.decryptedUrl;
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2018-04-29 05:58:17 +03:00
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}
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else if (content.info.mimetype == "image/svg+xml" && content.info.thumbnail_url) {
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// special case to return client-generated thumbnails for SVGs, if any,
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// given we deliberately don't thumbnail them serverside to prevent
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// billion lol attacks and similar
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return this.context.matrixClient.mxcUrlToHttp(
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content.info.thumbnail_url, 800, 600
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);
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}
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else {
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return this.context.matrixClient.mxcUrlToHttp(content.url, 800, 600);
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}
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}
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2018-02-26 17:01:33 +03:00
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componentDidMount() {
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this.dispatcherRef = dis.register(this.onAction);
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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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2017-07-12 16:02:00 +03:00
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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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});
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2016-11-15 14:22:39 +03:00
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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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2016-11-18 23:08:26 +03:00
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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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2018-03-08 15:31:01 +03:00
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this._afterComponentDidMount();
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}
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// To be overridden by subclasses (e.g. MStickerBody) for further
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// initialisation after componentDidMount
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_afterComponentDidMount() {
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}
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2018-02-26 17:01:33 +03:00
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componentWillUnmount() {
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this.unmounted = true;
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dis.unregister(this.dispatcherRef);
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2018-02-06 20:50:53 +03:00
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this.context.matrixClient.removeListener('sync', this.onClientSync);
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2018-03-10 00:12:56 +03:00
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this._afterComponentWillUnmount();
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}
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// To be overridden by subclasses (e.g. MStickerBody) for further
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// cleanup after componentWillUnmount
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_afterComponentWillUnmount() {
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}
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onAction(payload) {
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if (payload.action === "timeline_resize") {
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this.fixupHeight();
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}
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}
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2016-03-24 03:13:32 +03:00
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2018-02-26 17:01:33 +03:00
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fixupHeight() {
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if (!this.refs.image) {
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2018-02-26 17:01:33 +03:00
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console.warn(`Refusing to fix up height on ${this.displayName} with no image element`);
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2016-03-24 19:58:27 +03:00
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return;
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}
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2016-11-08 15:57:24 +03:00
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const content = this.props.mxEvent.getContent();
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const timelineWidth = this.refs.body.offsetWidth;
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const maxHeight = 600; // let images take up as much width as they can so long as the height doesn't exceed 600px.
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2016-03-24 04:12:51 +03:00
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// the alternative here would be 600*timelineWidth/800; to scale them down to fit inside a 4:3 bounding box
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2016-03-24 03:13:32 +03:00
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2018-04-29 05:58:17 +03:00
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// FIXME: this will break on clientside generated thumbnails (as per e2e rooms)
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// which may well be much smaller than the 800x600 bounding box.
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2018-04-29 06:00:02 +03:00
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// FIXME: It will also break really badly for images with broken or missing thumbnails
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2018-04-29 06:28:15 +03:00
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// console.log("trying to fit image into timelineWidth of " + this.refs.body.offsetWidth + " or " + this.refs.body.clientWidth);
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2017-02-28 01:16:56 +03:00
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let thumbHeight = null;
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2016-04-02 02:36:19 +03:00
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if (content.info) {
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thumbHeight = ImageUtils.thumbHeight(content.info.w, content.info.h, timelineWidth, maxHeight);
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}
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2016-03-24 19:58:27 +03:00
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this.refs.image.style.height = thumbHeight + "px";
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2016-03-29 02:46:51 +03:00
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// console.log("Image height now", thumbHeight);
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2018-02-26 17:01:33 +03:00
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}
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2015-11-27 18:02:32 +03:00
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2018-02-26 17:01:33 +03:00
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_messageContent(contentUrl, thumbUrl, content) {
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2018-04-29 05:58:17 +03:00
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const thumbnail = (
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<a href={contentUrl} onClick={this.onClick}>
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<img className="mx_MImageBody_thumbnail" src={thumbUrl} ref="image"
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alt={content.body}
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onError={this.onImageError}
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2018-04-29 06:28:15 +03:00
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onLoad={this.onImageLoad}
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2018-04-29 05:58:17 +03:00
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onMouseEnter={this.onImageEnter}
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|
|
|
onMouseLeave={this.onImageLeave} />
|
|
|
|
</a>
|
|
|
|
);
|
|
|
|
|
2018-02-26 17:01:33 +03:00
|
|
|
return (
|
|
|
|
<span className="mx_MImageBody" ref="body">
|
2018-04-29 05:58:17 +03:00
|
|
|
{ thumbUrl && !this.state.imgError ? thumbnail : '' }
|
2018-02-26 17:01:33 +03:00
|
|
|
<MFileBody {...this.props} decryptedBlob={this.state.decryptedBlob} />
|
2018-04-29 05:58:17 +03:00
|
|
|
</span>
|
2018-02-26 17:01:33 +03:00
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
render() {
|
2016-11-08 15:57:24 +03:00
|
|
|
const content = this.props.mxEvent.getContent();
|
2016-11-11 14:59:08 +03:00
|
|
|
|
2016-11-18 23:08:26 +03:00
|
|
|
if (this.state.error !== null) {
|
|
|
|
return (
|
|
|
|
<span className="mx_MImageBody" ref="body">
|
2017-10-11 19:56:17 +03:00
|
|
|
<img src="img/warning.svg" width="16" height="16" />
|
|
|
|
{ _t("Error decrypting image") }
|
2016-11-18 23:08:26 +03:00
|
|
|
</span>
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
2016-11-04 14:52:47 +03:00
|
|
|
if (content.file !== undefined && this.state.decryptedUrl === null) {
|
|
|
|
// Need to decrypt the attachment
|
|
|
|
// The attachment is decrypted in componentDidMount.
|
|
|
|
// For now add an img tag with a spinner.
|
|
|
|
return (
|
|
|
|
<span className="mx_MImageBody" ref="body">
|
2016-11-18 23:08:26 +03:00
|
|
|
<div className="mx_MImageBody_thumbnail" ref="image" style={{
|
|
|
|
"display": "flex",
|
2016-12-02 14:11:35 +03:00
|
|
|
"alignItems": "center",
|
2016-11-18 23:08:26 +03:00
|
|
|
"width": "100%",
|
|
|
|
}}>
|
2016-12-02 14:11:35 +03:00
|
|
|
<img src="img/spinner.gif" alt={content.body} width="32" height="32" style={{
|
|
|
|
"margin": "auto",
|
2017-10-11 19:56:17 +03:00
|
|
|
}} />
|
2016-11-18 23:08:26 +03:00
|
|
|
</div>
|
2016-11-04 14:52:47 +03:00
|
|
|
</span>
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
2016-11-08 15:57:24 +03:00
|
|
|
const contentUrl = this._getContentUrl();
|
2017-02-28 01:16:56 +03:00
|
|
|
let thumbUrl;
|
2017-10-29 10:43:52 +03:00
|
|
|
if (this._isGif() && SettingsStore.getValue("autoplayGifsAndVideos")) {
|
2017-02-28 01:16:56 +03:00
|
|
|
thumbUrl = contentUrl;
|
|
|
|
} else {
|
|
|
|
thumbUrl = this._getThumbUrl();
|
|
|
|
}
|
2016-11-04 14:52:47 +03:00
|
|
|
|
2018-04-29 05:58:17 +03:00
|
|
|
return this._messageContent(contentUrl, thumbUrl, content);
|
2018-02-26 17:01:33 +03:00
|
|
|
}
|
|
|
|
}
|