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Use Modernizr to check for browser compatibility

Add a CompatibilityPage which is shown for incompatible clients. If they
continue on regardless, proceed as if it never happened.
kegan/blocking
Kegan Dougal 6 years ago
parent
commit
59d8cbe742
  1. 12
      .modernizr.json
  2. 2
      package.json
  3. 19
      src/skins/vector/css/pages/CompatibilityPage.css
  4. 58
      src/skins/vector/views/pages/CompatibilityPage.js
  5. 62
      src/vector/index.js
  6. 3
      src/vector/modernizr.js

12
.modernizr.json

@ -0,0 +1,12 @@
{
"minify": true,
"classPrefix": "modernizr_",
"options": [
"setClasses"
],
"feature-detects": [
"test/css/displaytable",
"test/css/flexbox",
"test/es5/specification"
]
}

2
package.json

@ -11,6 +11,7 @@
"style": "bundle.css",
"scripts": {
"reskindex": "reskindex vector -h src/skins/vector/header",
"build:modernizr": "modernizr -c .modernizr.json -d src/vector/modernizr.js",
"build:css": "catw \"src/skins/vector/css/**/*.css\" -o vector/bundle.css -c uglifycss --no-watch",
"build:compile": "babel --source-maps -d lib src",
"build:bundle": "NODE_ENV=production webpack -p lib/vector/index.js vector/bundle.js",
@ -29,6 +30,7 @@
"linkifyjs": "^2.0.0-beta.4",
"matrix-js-sdk": "^0.2.2",
"matrix-react-sdk": "^0.0.1",
"modernizr": "^3.1.0",
"q": "^1.4.1",
"react": "^0.13.3",
"react-loader": "^1.4.0"

19
src/skins/vector/css/pages/CompatibilityPage.css

@ -0,0 +1,19 @@
.mx_CompatibilityPage {
width: 100%;
height: 100%;
background-color: #e55;
}
.mx_CompatibilityPage_box {
position: absolute;
top: 0;
bottom: 0;
left: 0;
right: 0;
margin: auto;
width: 500px;
height: 300px;
border: 1px solid;
padding: 10px;
background-color: #fcc;
}

58
src/skins/vector/views/pages/CompatibilityPage.js

@ -0,0 +1,58 @@
/*
Copyright 2015 OpenMarket 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.
*/
'use strict';
var React = require('react');
module.exports = React.createClass({
displayName: 'CompatibilityPage',
propTypes: {
onAccept: React.PropTypes.func
},
getDefaultProps: function() {
return {
onAccept: function() {} // NOP
};
},
onAccept: function() {
this.props.onAccept();
},
render: function() {
return (
<div className="mx_CompatibilityPage">
<div className="mx_CompatibilityPage_box">
<p>Sorry, your browser is <b>not</b> able to run Vector.</p>
<p>
Buttons and images may appear out of place, communication may
not be possible and all manner of chaos may be unleashed.
</p>
<p>
Though if you like taking risks with your life, you can still try it
out by clicking that you understand the risks involved.
</p>
<button onClick={this.onAccept}>
I understand the risks and wish to continue
</button>
</div>
</div>
);
}
});

62
src/vector/index.js

@ -16,6 +16,7 @@ limitations under the License.
'use strict';
var RunModernizrTests = require("./modernizr"); // this side-effects a global
var React = require("react");
var sdk = require("matrix-react-sdk");
sdk.loadSkin(require('../skins/vector/skindex'));
@ -25,6 +26,33 @@ var qs = require("querystring");
var lastLocationHashSet = null;
function checkBrowserFeatures(featureList) {
if (!window.Modernizr) {
console.error("Cannot check features - Modernizr global is missing.");
return false;
}
var featureComplete = true;
for (var i = 0; i < featureList.length; i++) {
if (window.Modernizr[featureList[i]] === undefined) {
console.error(
"Looked for feature '%s' but Modernizr has no results for this. " +
"Has it been configured correctly?", featureList[i]
);
return false;
}
if (window.Modernizr[featureList[i]] === false) {
console.error("Browser missing feature: '%s'", featureList[i]);
// toggle flag rather than return early so we log all missing features
// rather than just the first.
featureComplete = false;
}
}
return featureComplete;
}
var validBrowser = checkBrowserFeatures([
"displaytable", "flexbox", "es5object", "es5function", "foo"
]);
// We want to support some name / value pairs in the fragment
// so we're re-using query string like format
@ -84,14 +112,11 @@ var makeRegistrationUrl = function() {
'#/register';
}
var MatrixChat = sdk.getComponent('pages.MatrixChat');
window.matrixChat = React.render(
<MatrixChat onNewScreen={onNewScreen} registrationUrl={makeRegistrationUrl()} />,
document.getElementById('matrixchat')
);
window.addEventListener('hashchange', onHashChange);
window.onload = function() {
if (!validBrowser) {
return;
}
routeUrl(window.location);
loaded = true;
if (lastLoadedScreen) {
@ -100,3 +125,28 @@ window.onload = function() {
}
}
function loadApp() {
if (validBrowser) {
var MatrixChat = sdk.getComponent('pages.MatrixChat');
window.matrixChat = React.render(
<MatrixChat onNewScreen={onNewScreen} registrationUrl={makeRegistrationUrl()} />,
document.getElementById('matrixchat')
);
}
else {
console.error("Browser is missing required features.");
// take to a different landing page to AWOOOOOGA at the user
var CompatibilityPage = require("../skins/vector/views/pages/CompatibilityPage");
window.matrixChat = React.render(
<CompatibilityPage onAccept={function() {
validBrowser = true;
console.log("User accepts the compatibility risks.");
loadApp();
window.onload(); // still do the same code paths for compatible clients
}} />,
document.getElementById('matrixchat')
);
}
}
loadApp();

3
src/vector/modernizr.js

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