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pinball/web/index.html

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6.2 KiB

<!DOCTYPE html>
<html>
<head>
<!--
If you are serving your web app in a path other than the root, change the
href value below to reflect the base path you are serving from.
The path provided below has to start and end with a slash "/" in order for
it to work correctly.
For more details:
* https://developer.mozilla.org/en-US/docs/Web/HTML/Element/base
This is a placeholder for base href that will be replaced by the value of
the `--base-href` argument provided to `flutter build`.
-->
<base href="$FLUTTER_BASE_HREF">
<meta charset="UTF-8">
<meta content="IE=Edge" http-equiv="X-UA-Compatible">
<meta name="description"
content="Come play Pinball with your favorite Google Developer Mascots! Built with Flutter & Firebase for Google I/O 2022.">
<meta property="og:description"
content="Come play Pinball with your favorite Google Developer Mascots! Built with Flutter & Firebase for Google I/O 2022.">
<!-- Open Graph Data -->
<meta property="og:title" content="Google I/O Pinball">
<meta property="og:url" content="https://pinball.flutter.dev">
<meta property="og:image"
content="https://firebasestorage.googleapis.com/v0/b/io-pinball.appspot.com/o/images%2Fpinball_share_image.png?alt=media">
<!-- Twitter Share Data -->
<meta name="twitter:image"
content="https://firebasestorage.googleapis.com/v0/b/io-pinball.appspot.com/o/images%2Fpinball_share_image.png?alt=media">
<meta name="twitter:text:title" content="I/O Pinball Machine - Flutter">
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="I/O Pinball Machine - Flutter">
<meta name="twitter:description"
content="Come play Pinball with your favorite Google Developer Mascots! Built with Flutter & Firebase for Google I/O 2022.">
<!-- iOS meta tags & icons -->
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta name="apple-mobile-web-app-title" content="I/O Pinball Machine - Flutter">
<link rel="apple-touch-icon" href="icons/Icon-192.png">
<!-- Favicon -->
<link rel="icon" type="image/png" href="favicon.png" />
<title>I/O Pinball Machine - Flutter</title>
<link rel="manifest" href="manifest.json">
<script>
(function (w, d, s, l, i) {
w[l] = w[l] || []; w[l].push({
'gtm.start':
new Date().getTime(), event: 'gtm.js'
}); var f = d.getElementsByTagName(s)[0],
j = d.createElement(s), dl = l != 'dataLayer' ? '&l=' + l : ''; j.async = true; j.src =
'https://www.googletagmanager.com/gtm.js?id=' + i + dl; f.parentNode.insertBefore(j, f);
})(window, document, 'script', 'dataLayer', 'GTM-ND4LWWZ');
</script>
<script>
(function (i, s, o, g, r, a, m) {
i['GoogleAnalyticsObject'] = r; i[r] = i[r] || function () {
(i[r].q = i[r].q || []).push(arguments)
}, i[r].l = 1 * new Date(); a = s.createElement(o),
m = s.getElementsByTagName(o)[0]; a.async = 1; a.src = g; m.parentNode.insertBefore(a, m)
})(window, document, 'script', '//www.google-analytics.com/analytics.js', 'ga');
ga('create', 'UA-67589403-1', 'auto');
ga('send', 'pageview');
</script>
<script src="/__/firebase/8.10.1/firebase-app.js"></script>
<script src="/__/firebase/8.10.1/firebase-firestore.js"></script>
<script src="/__/firebase/8.10.1/firebase-auth.js"></script>
<script src="/__/firebase/init.js"></script>
</head>
<body>
<!-- This script installs service_worker.js to provide PWA functionality to
application. For more information, see:
https://developers.google.com/web/fundamentals/primers/service-workers -->
<script>
fetch("assets/assets/images/loading_game/io_pinball.png").catch(function (e) {
console.warn(e);
});
var scriptLoaded = false;
function loadMainDartJs() {
if (scriptLoaded) {
return;
}
scriptLoaded = true;
var scriptTag = document.createElement('script');
scriptTag.src = 'main.dart.js';
scriptTag.type = 'application/javascript';
document.body.append(scriptTag);
}
if ('serviceWorker' in navigator) {
// Service workers are supported. Use them.
window.addEventListener('load', function () {
// Wait for registration to finish before dropping the <script> tag.
// Otherwise, the browser will load the script multiple times,
// potentially different versions.
var serviceWorkerUrl = 'flutter_service_worker.js?v={{flutter_service_worker_version}}"';
navigator.serviceWorker.register(serviceWorkerUrl)
.then((reg) => {
function waitForActivation(serviceWorker) {
serviceWorker.addEventListener('statechange', () => {
if (serviceWorker.state == 'activated') {
console.log('Installed new service worker.');
loadMainDartJs();
}
});
}
if (!reg.active && (reg.installing || reg.waiting)) {
// No active web worker and we have installed or are installing
// one for the first time. Simply wait for it to activate.
waitForActivation(reg.installing || reg.waiting);
} else if (!reg.active.scriptURL.endsWith("{{flutter_service_worker_version}}")) {
// When the app updates the service worker version changes, so we
// need to ask the service worker to update.
console.log('New service worker available.');
reg.update();
waitForActivation(reg.installing);
} else {
// Existing service worker is still good.
console.log('Loading app from service worker.');
loadMainDartJs();
}
});
// If service worker doesn't succeed in a reasonable amount of time,
// fallback to plaint <script> tag.
setTimeout(() => {
if (!scriptLoaded) {
console.warn(
'Failed to load app from service worker. Falling back to plain <script> tag.',
);
loadMainDartJs();
}
}, 4000);
});
} else {
// Service workers not supported. Just drop the <script> tag.
loadMainDartJs();
}
</script>
</body>
</html>