Merge remote-tracking branch 'upstream/develop' into fix/call-notifs

src/models/event.ts

@@ -28,7 +28,9 @@ import { EventType, MsgType, RelationType } from "../@types/event";
 import { Crypto } from "../crypto";
 import { deepSortedObjectEntries } from "../utils";
 import { RoomMember } from "./room-member";
+import { Thread } from "./thread";
 import { IActionsObject } from '../pushprocessor';
+import { ReEmitter } from '../ReEmitter';
 
 /**
  * Enum for event statuses.
@@ -192,6 +194,12 @@ export class MatrixEvent extends EventEmitter {
      */
     private txnId: string = null;
 
+    /**
+     * @experimental
+     * A reference to the thread this event belongs to
+     */
+    private thread: Thread = null;
+
     /* Set an approximate timestamp for the event relative the local clock.
      * This will inherently be approximate because it doesn't take into account
      * the time between the server putting the 'age' field on the event as it sent
@@ -213,6 +221,8 @@ export class MatrixEvent extends EventEmitter {
      */
     public verificationRequest = null;
 
+    private readonly reEmitter: ReEmitter;
+
     /**
      * Construct a Matrix Event object
      * @constructor
@@ -262,6 +272,7 @@ export class MatrixEvent extends EventEmitter {
 
         this.txnId = event.txn_id || null;
         this.localTimestamp = Date.now() - this.getAge();
+        this.reEmitter = new ReEmitter(this);
     }
 
     /**
@@ -382,6 +393,15 @@ export class MatrixEvent extends EventEmitter {
         return this.event.content || {};
     }
 
+    /**
+     * @experimental
+     * Get the event ID of the replied event
+     */
+    public get replyEventId(): string {
+        const relations = this.getWireContent()["m.relates_to"];
+        return relations?.["m.in_reply_to"]?.["event_id"];
+    }
+
     /**
      * Get the previous event content JSON. This will only return something for
      * state events which exist in the timeline.
@@ -1285,6 +1305,21 @@ export class MatrixEvent extends EventEmitter {
     public getTxnId(): string | undefined {
         return this.txnId;
     }
+
+    /**
+     * @experimental
+     */
+    public setThread(thread: Thread): void {
+        this.thread = thread;
+        this.reEmitter.reEmit(thread, ["Thread.ready", "Thread.update"]);
+    }
+
+    /**
+     * @experimental
+     */
+    public getThread(): Thread {
+        return this.thread;
+    }
 }
 
 /* REDACT_KEEP_KEYS gives the keys we keep when an event is redacted