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Initial implementation of using new RM API

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As detailed here https://docs.google.com/document/d/1UWqdS-e1sdwkLDUY0wA4gZyIkRp-ekjsLZ8k6g_Zvso/edit, the RM state is no longer kept locally, but rather server-side. The client now uses it's locally-calculated RM to update the server and receives server updates via the per-room account data.

The sending of the RR has been bundled in to reduce traffic when sending both. In effect, whenever a RR is sent the RM is sent with it but using the new API.

This uses a js-sdk change which has set to be finalised and so might change.
This commit is contained in:
Luke Barnard 2017-04-12 15:05:39 +01:00
parent 424aae6b91
commit 1c25ed89b0
1 changed files with 39 additions and 16 deletions
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55
src/components/structures/TimelinePanel.js
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@ -102,9 +102,6 @@ var TimelinePanel = React.createClass({
},
statics: {
// a map from room id to read marker event ID
roomReadMarkerMap: {},
// a map from room id to read marker event timestamp
roomReadMarkerTsMap: {},
},
@ -121,10 +118,15 @@ var TimelinePanel = React.createClass({
getInitialState: function() {
// XXX: we could track RM per TimelineSet rather than per Room.
// but for now we just do it per room for simplicity.
let initialReadMarker = null;
if (this.props.manageReadMarkers) {
var initialReadMarker =
TimelinePanel.roomReadMarkerMap[this.props.timelineSet.room.roomId]
|| this._getCurrentReadReceipt();
const readmarker = this.props.timelineSet.room.getAccountData('m.read_marker');
if (readmarker){
initialReadMarker = readmarker.getContent().marker;
} else {
initialReadMarker = this._getCurrentReadReceipt();
}
console.info('Read marker initially', initialReadMarker);
}
return {
@ -180,6 +182,7 @@ var TimelinePanel = React.createClass({
MatrixClientPeg.get().on("Room.redaction", this.onRoomRedaction);
MatrixClientPeg.get().on("Room.receipt", this.onRoomReceipt);
MatrixClientPeg.get().on("Room.localEchoUpdated", this.onLocalEchoUpdated);
MatrixClientPeg.get().on("Room.accountData", this.onAccountData);
this._initTimeline(this.props);
},
@ -466,6 +469,21 @@ var TimelinePanel = React.createClass({
this._reloadEvents();
},
onAccountData: function(ev, room) {
if (this.unmounted) return;
// ignore events for other rooms
if (room !== this.props.timelineSet.room) return;
if (ev.getType() !== "m.read_marker") return;
const markerEventId = ev.getContent().marker;
console.log('TimelinePanel: Read marker received from server', markerEventId);
this.setState({
readMarkerEventId: markerEventId,
}, this.props.onReadMarkerUpdated);
},
sendReadReceipt: function() {
if (!this.refs.messagePanel) return;
@ -505,13 +523,23 @@ var TimelinePanel = React.createClass({
// we also remember the last read receipt we sent to avoid spamming the
// same one at the server repeatedly
if (lastReadEventIndex > currentReadUpToEventIndex
&& this.last_rr_sent_event_id != lastReadEvent.getId()) {
if ((lastReadEventIndex > currentReadUpToEventIndex &&
this.last_rr_sent_event_id != lastReadEvent.getId()) ||
this.last_rm_sent_event_id != this.state.readMarkerEventId) {
this.last_rr_sent_event_id = lastReadEvent.getId();
MatrixClientPeg.get().sendReadReceipt(lastReadEvent).catch(() => {
this.last_rm_sent_event_id = this.state.readMarkerEventId;
MatrixClientPeg.get().setRoomReadMarker(
this.props.timelineSet.room.roomId,
this.state.readMarkerEventId,
lastReadEvent
).catch(() => {
// it failed, so allow retries next time the user is active
this.last_rr_sent_event_id = undefined;
this.last_rm_sent_event_id = undefined;
});
console.log('TimelinePanel: Read marker sent to the server ', this.state.readMarkerEventId, );
// do a quick-reset of our unreadNotificationCount to avoid having
// to wait from the remote echo from the homeserver.
@ -956,16 +984,10 @@ var TimelinePanel = React.createClass({
_setReadMarker: function(eventId, eventTs, inhibitSetState) {
var roomId = this.props.timelineSet.room.roomId;
if (TimelinePanel.roomReadMarkerMap[roomId] == eventId) {
// don't update the state (and cause a re-render) if there is
// no change to the RM.
if (eventId === this.state.readMarkerEventId) {
return;
}
// ideally we'd sync these via the server, but for now just stash them
// in a map.
TimelinePanel.roomReadMarkerMap[roomId] = eventId;
// in order to later figure out if the read marker is
// above or below the visible timeline, we stash the timestamp.
TimelinePanel.roomReadMarkerTsMap[roomId] = eventTs;
@ -974,6 +996,7 @@ var TimelinePanel = React.createClass({
return;
}
// Do the local echo of the RM
// run the render cycle before calling the callback, so that
// getReadMarkerPosition() returns the right thing.
this.setState({