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Emit an event when a local-echo is turned into a proper event

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We need to trigger an update of the timeline when this happens, so raise an
event for it.
This commit is contained in:
Richard van der Hoff
2016-03-08 15:00:19 +00:00
parent 51380f8116
commit 78eded3bbd
3 changed files with 60 additions and 3 deletions
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26
lib/models/room.js
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@@ -595,18 +595,22 @@ Room.prototype._addLiveEvents = function(events) {
// remote echo of an event we sent earlier
var existingEvent = this._txnToEvent[events[i].getUnsigned().transaction_id];
if (existingEvent) {
var oldEventId = existingEvent.getId();
// no longer pending
delete this._txnToEvent[events[i].getUnsigned().transaction_id];
// update the timeline map, because the event id has changed
var existingTimeline = this._eventIdToTimeline[existingEvent.getId()];
var existingTimeline = this._eventIdToTimeline[oldEventId];
if (existingTimeline) {
delete this._eventIdToTimeline[existingEvent.getId()];
delete this._eventIdToTimeline[oldEventId];
this._eventIdToTimeline[events[i].getId()] = existingTimeline;
}
// replace the event source
existingEvent.event = events[i].event;
this.emit("Room.localEchoUpdated", existingEvent, this, oldEventId);
continue;
}
}
@@ -1315,3 +1319,21 @@ module.exports = Room;
* }
* });
*/
/**
* Fires when a local-echo of a transmitted event is replaced by its remote-echo.
*
* <p>When an event is first transmitted, then (assuming the /send completes
* before the event comes back from /sync), a temporary copy of the event is
* inserted into the timeline, with a temporary event id. Once the echo comes
* back from the server, the event is replaced by the complete event from the
* homeserver, thus updating its event id.
*
* <p>If the event comes back from /sync before the /send completes, the
* temporary event id is never stored, and this event is not raised.
*
* @event module:client~MatrixClient#"Room.localEchoUpdated"
* @param {MatrixEvent} event The matrix event which has been updated
* @param {Room} room The room containing the redacted event
* @param {string} oldEventId The temporary event id which has been replaced
*/