vector-im-hydrogen-web/src/domain/session/room/timeline/tilesCreator.js

import {GapTile} from "./tiles/GapTile.js";
import {TextTile} from "./tiles/TextTile.js";
import {ImageTile} from "./tiles/ImageTile.js";
import {LocationTile} from "./tiles/LocationTile.js";
import {RoomNameTile} from "./tiles/RoomNameTile.js";
import {RoomMemberTile} from "./tiles/RoomMemberTile.js";

export function tilesCreator({room, ownUserId}) {
    return function tilesCreator(entry, emitUpdate) {
        const options = {entry, emitUpdate, ownUserId};
        if (entry.isGap) {
            return new GapTile(options, room);
        } else if (entry.eventType) {
            switch (entry.eventType) {
                case "m.room.message": {
                    const content = entry.content;
                    const msgtype = content && content.msgtype;
                    switch (msgtype) {
                        case "m.text":
                        case "m.notice":
                        case "m.emote":
                            return new TextTile(options);
                        case "m.image":
                            return new ImageTile(options, room);
                        case "m.location":
                            return new LocationTile(options);
                        default:
                            // unknown msgtype not rendered
                            return null;
                    }
                }
                case "m.room.name":
                    return new RoomNameTile(options);
                case "m.room.member":
                    return new RoomMemberTile(options);
                default:
                    // unknown type not rendered
                    return null;
            }
        }
    }   
}