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Add support for indexeddb sync in webworker

This commit is contained in:
David Baker 2017-04-06 11:15:14 +01:00
parent 579e70e967
commit f187a359e6
4 changed files with 44 additions and 2 deletions
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13
src/vector/index.html
View File

@ -37,7 +37,18 @@
<body style="height: 100%;">
<section id="matrixchat" style="height: 100%;"></section>
<noscript>Sorry, Riot requires JavaScript to be enabled.</noscript>
<% for (var i=0; i < htmlWebpackPlugin.files.js.length; i++) {%>
<% for (var i=0; i < htmlWebpackPlugin.files.js.length; i++) {
// Not a particularly graceful way of not putting the indexeddb worker script
// into the main page
if (htmlWebpackPlugin.files.js[i].endsWith('indexeddb-worker.js')) {
%>
<script>
window.vector_indexeddb_worker_script = '<%= htmlWebpackPlugin.files.js[i] %>';
</script>
<%
continue;
}
%>
<script src="<%= htmlWebpackPlugin.files.js[i] %>"></script>
<% } %>
<img src="img/warning.svg" width="24" height="23" style="visibility: hidden; position: absolute; top: 0px; left: 0px;"/>

4
src/vector/index.js
View File

@ -68,11 +68,15 @@ import url from 'url';
import {parseQs, parseQsFromFragment} from './url_utils';
import Platform from './platform';
import MatrixClientPeg from 'matrix-react-sdk/lib/MatrixClientPeg';
var lastLocationHashSet = null;
var CallHandler = require("matrix-react-sdk/lib/CallHandler");
CallHandler.setConferenceHandler(VectorConferenceHandler);
MatrixClientPeg.setIndexedDbWorkerScript(window.vector_indexeddb_worker_script);
function checkBrowserFeatures(featureList) {
if (!window.Modernizr) {
console.error("Cannot check features - Modernizr global is missing.");

26
src/vector/indexedbd-worker.js Normal file
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@ -0,0 +1,26 @@
/*
Copyright 2017 Vector Creations Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// The prescribed way of doing this import would be:
//import {IndexedDbStoreWorker} from 'matrix-js-sdk';
// However, this still pulls in all of the js-sdk and we only use a tiny fraction
// of it. It also causes an Olm error to appear because we don't have an Olm in scope.
// Instead, we do this:
import IndexedDbStoreWorker from 'matrix-js-sdk/lib/store/indexeddb-remote-worker';
const remoteWorker = new IndexedDbStoreWorker(postMessage);
onmessage = remoteWorker.onMessage;

1
webpack.config.js
View File

@ -6,6 +6,7 @@ var HtmlWebpackPlugin = require('html-webpack-plugin');
module.exports = {
entry: {
"bundle": "./src/vector/index.js",
"indexeddb-worker": "./src/vector/indexedbd-worker.js",
// We ship olm.js as a separate lump of javascript. This makes it get
// loaded via a separate <script/> tag in index.html (which loads it