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e942939be9
The JS SDK has learned how to remove relations when cancelled, so we should also listen for those as well. Part of https://github.com/vector-im/riot-web/issues/9731
125 lines
4.1 KiB
JavaScript
125 lines
4.1 KiB
JavaScript
/*
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Copyright 2019 New Vector 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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import React from 'react';
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import PropTypes from 'prop-types';
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import sdk from '../../../index';
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import { isContentActionable } from '../../../utils/EventUtils';
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import MatrixClientPeg from '../../../MatrixClientPeg';
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export default class ReactionsRow extends React.PureComponent {
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static propTypes = {
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// The event we're displaying reactions for
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mxEvent: PropTypes.object.isRequired,
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// The Relations model from the JS SDK for reactions to `mxEvent`
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reactions: PropTypes.object,
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}
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constructor(props) {
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super(props);
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if (props.reactions) {
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props.reactions.on("Relations.add", this.onReactionsChange);
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props.reactions.on("Relations.remove", this.onReactionsChange);
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props.reactions.on("Relations.redaction", this.onReactionsChange);
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}
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this.state = {
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myReactions: this.getMyReactions(),
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};
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}
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componentDidUpdate(prevProps) {
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if (prevProps.reactions !== this.props.reactions) {
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this.props.reactions.on("Relations.add", this.onReactionsChange);
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this.props.reactions.on("Relations.remove", this.onReactionsChange);
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this.props.reactions.on("Relations.redaction", this.onReactionsChange);
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this.onReactionsChange();
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}
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}
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componentWillUnmount() {
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if (this.props.reactions) {
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this.props.reactions.removeListener(
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"Relations.add",
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this.onReactionsChange,
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);
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this.props.reactions.removeListener(
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"Relations.remove",
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this.onReactionsChange,
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);
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this.props.reactions.removeListener(
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"Relations.redaction",
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this.onReactionsChange,
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);
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}
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}
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onReactionsChange = () => {
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// TODO: Call `onHeightChanged` as needed
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this.setState({
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myReactions: this.getMyReactions(),
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});
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// Using `forceUpdate` for the moment, since we know the overall set of reactions
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// has changed (this is triggered by events for that purpose only) and
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// `PureComponent`s shallow state / props compare would otherwise filter this out.
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this.forceUpdate();
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}
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getMyReactions() {
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const reactions = this.props.reactions;
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if (!reactions) {
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return null;
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}
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const userId = MatrixClientPeg.get().getUserId();
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return [...reactions.getAnnotationsBySender()[userId].values()];
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}
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render() {
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const { mxEvent, reactions } = this.props;
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const { myReactions } = this.state;
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if (!reactions || !isContentActionable(mxEvent)) {
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return null;
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}
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const ReactionsRowButton = sdk.getComponent('messages.ReactionsRowButton');
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const items = reactions.getSortedAnnotationsByKey().map(([content, events]) => {
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const count = events.size;
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if (!count) {
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return null;
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}
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const myReactionEvent = myReactions && myReactions.find(mxEvent => {
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if (mxEvent.isRedacted()) {
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return false;
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}
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return mxEvent.getRelation().key === content;
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});
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return <ReactionsRowButton
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key={content}
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content={content}
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count={count}
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mxEvent={mxEvent}
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myReactionEvent={myReactionEvent}
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/>;
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});
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return <div className="mx_ReactionsRow">
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{items}
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</div>;
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}
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}
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