vector-im-hydrogen-web/src/matrix/room/room.js

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import EventEmitter from "../../EventEmitter.js";
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import RoomSummary from "./summary.js";
import RoomPersister from "./persister.js";
import Timeline from "./timeline.js";
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export default class Room extends EventEmitter {
constructor({roomId, storage, hsApi, emitCollectionChange}) {
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super();
this._roomId = roomId;
this._storage = storage;
this._hsApi = hsApi;
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this._summary = new RoomSummary(roomId);
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this._persister = new RoomPersister({roomId, storage});
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this._emitCollectionChange = emitCollectionChange;
this._timeline = null;
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}
persistSync(roomResponse, membership, txn) {
const summaryChanged = this._summary.applySync(roomResponse, membership, txn);
const newTimelineEntries = this._persister.persistSync(roomResponse, txn);
return {summaryChanged, newTimelineEntries};
}
emitSync({summaryChanged, newTimelineEntries}) {
if (summaryChanged) {
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this.emit("change");
this._emitCollectionChange(this);
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}
if (this._timeline) {
this._timeline.appendLiveEntries(newTimelineEntries);
}
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}
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load(summary, txn) {
this._summary.load(summary);
return this._persister.load(txn);
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}
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get name() {
return this._summary.name;
}
get id() {
return this._roomId;
}
async openTimeline() {
if (this._timeline) {
throw new Error("not dealing with load race here for now");
}
this._timeline = new Timeline({
roomId: this.id,
storage: this._storage,
persister: this._persister,
hsApi: this._hsApi,
closeCallback: () => this._timeline = null,
});
await this._timeline.load();
return this._timeline;
}
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}