element-web/src/components/structures/FilePanel.js

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/*
Copyright 2016 OpenMarket Ltd
Copyright 2019 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import React from 'react';
import createReactClass from 'create-react-class';
import PropTypes from 'prop-types';
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import Matrix from 'matrix-js-sdk';
import * as sdk from '../../index';
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import {MatrixClientPeg} from '../../MatrixClientPeg';
import EventIndexPeg from "../../indexing/EventIndexPeg";
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import { _t } from '../../languageHandler';
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/*
* Component which shows the filtered file using a TimelinePanel
*/
const FilePanel = createReactClass({
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displayName: 'FilePanel',
propTypes: {
roomId: PropTypes.string.isRequired,
},
getInitialState: function() {
return {
timelineSet: null,
};
},
async componentDidMount() {
await this.updateTimelineSet(this.props.roomId);
},
async fetchFileEventsServer(room) {
const client = MatrixClientPeg.get();
const filter = new Matrix.Filter(client.credentials.userId);
filter.setDefinition(
{
"room": {
"timeline": {
"contains_url": true,
"types": [
"m.room.message",
],
},
},
},
);
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const filterId = await client.getOrCreateFilter("FILTER_FILES_" + client.credentials.userId,
filter);
filter.filterId = filterId;
const timelineSet = room.getOrCreateFilteredTimelineSet(filter);
return timelineSet;
},
onPaginationRequest(timelineWindow, direction, limit) {
const client = MatrixClientPeg.get();
const eventIndex = EventIndexPeg.get();
const roomId = this.props.roomId;
const room = client.getRoom(roomId);
if (client.isRoomEncrypted(roomId) && eventIndex !== null) {
return eventIndex.paginateTimelineWindow(room, timelineWindow, direction, limit);
} else {
return timelineWindow.paginate(direction, limit);
}
},
async updateTimelineSet(roomId: string) {
const client = MatrixClientPeg.get();
const room = client.getRoom(roomId);
const eventIndex = EventIndexPeg.get();
this.noRoom = !room;
if (room) {
let timelineSet;
try {
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timelineSet = await this.fetchFileEventsServer(room);
if (client.isRoomEncrypted(roomId) && eventIndex !== null) {
const timeline = timelineSet.getLiveTimeline();
await eventIndex.populateFileTimeline(timelineSet, timeline, room, 1);
}
this.setState({ timelineSet: timelineSet });
} catch (error) {
console.error("Failed to get or create file panel filter", error);
}
} else {
console.error("Failed to add filtered timelineSet for FilePanel as no room!");
}
},
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render: function() {
if (MatrixClientPeg.get().isGuest()) {
return <div className="mx_FilePanel mx_RoomView_messageListWrapper">
<div className="mx_RoomView_empty">
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{ _t("You must <a>register</a> to use this functionality",
{},
{ 'a': (sub) => <a href="#/register" key="sub">{ sub }</a> })
}
</div>
</div>;
} else if (this.noRoom) {
return <div className="mx_FilePanel mx_RoomView_messageListWrapper">
<div className="mx_RoomView_empty">{ _t("You must join the room to see its files") }</div>
</div>;
}
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// wrap a TimelinePanel with the jump-to-event bits turned off.
const TimelinePanel = sdk.getComponent("structures.TimelinePanel");
const Loader = sdk.getComponent("elements.Spinner");
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if (this.state.timelineSet) {
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// console.log("rendering TimelinePanel for timelineSet " + this.state.timelineSet.room.roomId + " " +
// "(" + this.state.timelineSet._timelines.join(", ") + ")" + " with key " + this.props.roomId);
return (
<div className="mx_FilePanel" role="tabpanel">
<TimelinePanel key={"filepanel_" + this.props.roomId}
manageReadReceipts={false}
manageReadMarkers={false}
timelineSet={this.state.timelineSet}
showUrlPreview = {false}
onPaginationRequest={this.onPaginationRequest}
tileShape="file_grid"
resizeNotifier={this.props.resizeNotifier}
empty={_t('There are no visible files in this room')}
/>
</div>
);
} else {
return (
<div className="mx_FilePanel" role="tabpanel">
<Loader />
</div>
);
}
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},
});
export default FilePanel;