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Merge pull request #1700 from matrix-org/dbkr/dont_paginate_while_decrypting

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Don't paginate whilst decrypting events
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David Baker 2018-01-17 19:28:52 +00:00 committed by GitHub
commit 27b27e3759
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1 changed files with 13 additions and 0 deletions
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13
src/components/structures/TimelinePanel.js
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@ -302,6 +302,8 @@ var TimelinePanel = React.createClass({
// set off a pagination request.
onMessageListFillRequest: function(backwards) {
if (!this._shouldPaginate()) return Promise.resolve(false);
const dir = backwards ? EventTimeline.BACKWARDS : EventTimeline.FORWARDS;
const canPaginateKey = backwards ? 'canBackPaginate' : 'canForwardPaginate';
const paginatingKey = backwards ? 'backPaginating' : 'forwardPaginating';
@ -1091,6 +1093,17 @@ var TimelinePanel = React.createClass({
}, this.props.onReadMarkerUpdated);
},
_shouldPaginate: function() {
// don't try to paginate while events in the timeline are
// still being decrypted. We don't render events while they're
// being decrypted, so they don't take up space in the timeline.
// This means we can pull quite a lot of events into the timeline
// and end up trying to render a lot of events.
return !this.state.events.some((e) => {
return e.isBeingDecrypted();
});
},
render: function() {
const MessagePanel = sdk.getComponent("structures.MessagePanel");
const Loader = sdk.getComponent("elements.Spinner");