Merge pull request #3395 from matrix-org/travis/hidden_rr

Support sending hidden read receipts

src/components/structures/TimelinePanel.js

@@ -685,20 +685,26 @@ const TimelinePanel = createReactClass({
             }
             this.lastRMSentEventId = this.state.readMarkerEventId;
 
+            const roomId = this.props.timelineSet.room.roomId;
+            const hiddenRR = !SettingsStore.getValue("sendReadReceipts", roomId);
+
             debuglog('TimelinePanel: Sending Read Markers for ',
                 this.props.timelineSet.room.roomId,
                 'rm', this.state.readMarkerEventId,
                 lastReadEvent ? 'rr ' + lastReadEvent.getId() : '',
+                ' hidden:' + hiddenRR,
             );
             MatrixClientPeg.get().setRoomReadMarkers(
                 this.props.timelineSet.room.roomId,
                 this.state.readMarkerEventId,
                 lastReadEvent, // Could be null, in which case no RR is sent
+                {hidden: hiddenRR},
             ).catch((e) => {
                 // /read_markers API is not implemented on this HS, fallback to just RR
                 if (e.errcode === 'M_UNRECOGNIZED' && lastReadEvent) {
                     return MatrixClientPeg.get().sendReadReceipt(
                         lastReadEvent,
+                        {hidden: hiddenRR},
                     ).catch((e) => {
                         console.error(e);
                         this.lastRRSentEventId = undefined;

src/components/views/settings/tabs/user/LabsUserSettingsTab.js

@@ -54,6 +54,7 @@ export default class LabsUserSettingsTab extends React.Component {
                     <SettingsFlag name={"enableWidgetScreenshots"} level={SettingLevel.ACCOUNT} />
                     <SettingsFlag name={"showHiddenEventsInTimeline"} level={SettingLevel.DEVICE} />
                     <SettingsFlag name={"lowBandwidth"} level={SettingLevel.DEVICE} />
+                    <SettingsFlag name={"sendReadReceipts"} level={SettingLevel.ACCOUNT} />
                 </div>
             </div>
         );