Rename and document what local echo is

src/components/views/rooms/RoomTile.tsx

@@ -49,8 +49,8 @@ import { RoomNotificationStateStore } from "../../../stores/notifications/RoomNo
 import { NOTIFICATION_STATE_UPDATE, NotificationState } from "../../../stores/notifications/NotificationState";
 import AccessibleTooltipButton from "../elements/AccessibleTooltipButton";
 import { EchoChamber } from "../../../stores/local-echo/EchoChamber";
-import { CachedRoomKey, RoomCachedEcho } from "../../../stores/local-echo/RoomCachedEcho";
-import { PROPERTY_UPDATED } from "../../../stores/local-echo/CachedEcho";
+import { CachedRoomKey, RoomEchoChamber } from "../../../stores/local-echo/RoomEchoChamber";
+import { PROPERTY_UPDATED } from "../../../stores/local-echo/GenericEchoChamber";
 
 interface IProps {
     room: Room;
@@ -108,7 +108,7 @@ export default class RoomTile extends React.PureComponent<IProps, IState> {
     private dispatcherRef: string;
     private roomTileRef = createRef<HTMLDivElement>();
     private notificationState: NotificationState;
-    private roomProps: RoomCachedEcho;
+    private roomProps: RoomEchoChamber;
 
     constructor(props: IProps) {
         super(props);

src/stores/local-echo/EchoChamber.ts

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { RoomCachedEcho } from "./RoomCachedEcho";
+import { RoomEchoChamber } from "./RoomEchoChamber";
 import { Room } from "matrix-js-sdk/src/models/room";
 import { EchoStore } from "./EchoStore";
 
@@ -25,7 +25,7 @@ export class EchoChamber {
     private constructor() {
     }
 
-    public static forRoom(room: Room): RoomCachedEcho {
-        return EchoStore.instance.getOrCreateEchoForRoom(room);
+    public static forRoom(room: Room): RoomEchoChamber {
+        return EchoStore.instance.getOrCreateChamberForRoom(room);
     }
 }

src/stores/local-echo/EchoStore.ts

@@ -14,9 +14,9 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { CachedEcho } from "./CachedEcho";
+import { GenericEchoChamber } from "./GenericEchoChamber";
 import { Room } from "matrix-js-sdk/src/models/room";
-import { RoomCachedEcho } from "./RoomCachedEcho";
+import { RoomEchoChamber } from "./RoomEchoChamber";
 import { RoomEchoContext } from "./RoomEchoContext";
 import { AsyncStoreWithClient } from "../AsyncStoreWithClient";
 import defaultDispatcher from "../../dispatcher/dispatcher";
@@ -36,7 +36,7 @@ const roomContextKey = (room: Room): ContextKey => `room-${room.roomId}`;
 export class EchoStore extends AsyncStoreWithClient<IState> {
     private static _instance: EchoStore;
 
-    private caches = new Map<ContextKey, CachedEcho<any, any, any>>();
+    private caches = new Map<ContextKey, GenericEchoChamber<any, any, any>>();
 
     constructor() {
         super(defaultDispatcher);
@@ -53,15 +53,15 @@ export class EchoStore extends AsyncStoreWithClient<IState> {
         return Array.from(this.caches.values()).map(e => e.context);
     }
 
-    public getOrCreateEchoForRoom(room: Room): RoomCachedEcho {
+    public getOrCreateChamberForRoom(room: Room): RoomEchoChamber {
         if (this.caches.has(roomContextKey(room))) {
-            return this.caches.get(roomContextKey(room)) as RoomCachedEcho;
+            return this.caches.get(roomContextKey(room)) as RoomEchoChamber;
         }
 
         const context = new RoomEchoContext(room);
         context.whenAnything(() => this.checkContexts());
 
-        const echo = new RoomCachedEcho(context);
+        const echo = new RoomEchoChamber(context);
         echo.setClient(this.matrixClient);
         this.caches.set(roomContextKey(room), echo);
 

src/stores/local-echo/GenericEchoChamber.ts

@@ -25,7 +25,7 @@ export async function implicitlyReverted() {
 
 export const PROPERTY_UPDATED = "property_updated";
 
-export abstract class CachedEcho<C extends EchoContext, K, V> extends EventEmitter {
+export abstract class GenericEchoChamber<C extends EchoContext, K, V> extends EventEmitter {
     private cache = new Map<K, {txn: EchoTransaction, val: V}>();
     protected matrixClient: MatrixClient;
 

src/stores/local-echo/RoomEchoChamber.ts

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import { CachedEcho, implicitlyReverted, PROPERTY_UPDATED } from "./CachedEcho";
+import { GenericEchoChamber, implicitlyReverted, PROPERTY_UPDATED } from "./GenericEchoChamber";
 import { getRoomNotifsState, setRoomNotifsState } from "../../RoomNotifs";
 import { RoomEchoContext } from "./RoomEchoContext";
 import { _t } from "../../languageHandler";
@@ -27,7 +27,7 @@ export enum CachedRoomKey {
     NotificationVolume,
 }
 
-export class RoomCachedEcho extends CachedEcho<RoomEchoContext, CachedRoomKey, CachedRoomValues> {
+export class RoomEchoChamber extends GenericEchoChamber<RoomEchoContext, CachedRoomKey, CachedRoomValues> {
     private properties = new Map<CachedRoomKey, CachedRoomValues>();
 
     public constructor(context: RoomEchoContext) {