mirror of
https://github.com/element-hq/element-web
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89 lines
3.9 KiB
JavaScript
89 lines
3.9 KiB
JavaScript
/*
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Copyright 2015, 2016 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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const MatrixClientPeg = require('./MatrixClientPeg');
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import shouldHideEvent from './shouldHideEvent';
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const sdk = require('./index');
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module.exports = {
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/**
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* Returns true iff this event arriving in a room should affect the room's
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* count of unread messages
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*/
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eventTriggersUnreadCount: function(ev) {
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if (ev.sender && ev.sender.userId == MatrixClientPeg.get().credentials.userId) {
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return false;
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} else if (ev.getType() == 'm.room.member') {
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return false;
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} else if (ev.getType() == 'm.room.third_party_invite') {
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return false;
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} else if (ev.getType() == 'm.call.answer' || ev.getType() == 'm.call.hangup') {
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return false;
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} else if (ev.getType() == 'm.room.message' && ev.getContent().msgtype == 'm.notify') {
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return false;
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}
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const EventTile = sdk.getComponent('rooms.EventTile');
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return EventTile.haveTileForEvent(ev);
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},
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doesRoomHaveUnreadMessages: function(room) {
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const myUserId = MatrixClientPeg.get().credentials.userId;
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// get the most recent read receipt sent by our account.
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// N.B. this is NOT a read marker (RM, aka "read up to marker"),
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// despite the name of the method :((
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const readUpToId = room.getEventReadUpTo(myUserId);
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// as we don't send RRs for our own messages, make sure we special case that
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// if *we* sent the last message into the room, we consider it not unread!
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// Should fix: https://github.com/vector-im/riot-web/issues/3263
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// https://github.com/vector-im/riot-web/issues/2427
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// ...and possibly some of the others at
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// https://github.com/vector-im/riot-web/issues/3363
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if (room.timeline.length &&
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room.timeline[room.timeline.length - 1].sender &&
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room.timeline[room.timeline.length - 1].sender.userId === myUserId) {
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return false;
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}
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// this just looks at whatever history we have, which if we've only just started
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// up probably won't be very much, so if the last couple of events are ones that
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// don't count, we don't know if there are any events that do count between where
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// we have and the read receipt. We could fetch more history to try & find out,
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// but currently we just guess.
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// Loop through messages, starting with the most recent...
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for (let i = room.timeline.length - 1; i >= 0; --i) {
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const ev = room.timeline[i];
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if (ev.getId() == readUpToId) {
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// If we've read up to this event, there's nothing more recents
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// that counts and we can stop looking because the user's read
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// this and everything before.
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return false;
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} else if (!shouldHideEvent(ev) && this.eventTriggersUnreadCount(ev)) {
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// We've found a message that counts before we hit
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// the read marker, so this room is definitely unread.
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return true;
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}
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}
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// If we got here, we didn't find a message that counted but didn't
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// find the read marker either, so we guess and say that the room
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// is unread on the theory that false positives are better than
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// false negatives here.
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return true;
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},
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};
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