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Futureproof Embed Code

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* Add client/coral-embed-api module. It's meant to be included in an HTML page and define window.Coral
* Serve coral-embed-api at /Coral.js
* Update / handler (article view) to use new embed format
* Update Talk Admin embed code section to use new embed format
This commit is contained in:
Benjamin Goering
2017-02-04 00:47:32 +08:00
parent 03c240054a
commit f7cddad659
4 changed files with 189 additions and 68 deletions
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views/article.ejs
+6 -66
View File
@@ -23,72 +23,12 @@
<p><%= body %></p>
<p><a href="/admin">Admin</a> - <a href="/assets">All Assets</a></p>
<div id='coralStreamEmbed'></div>
<script src="/Coral.js" onload="
Coral.Talk.render(document.getElementById('coralStreamEmbed'), {
talk: '/',
asset: <%= asset_url ? asset_url : 'undefined' %>
})
"></script>
</main>
<script type='text/javascript' src='<%= basePath %>/pym.v1.min.js'></script>
<script>
var ready = false;
var notificationOffset = 200;
// default to using the window.location
var url = window.location.protocol + '//' + window.location.host + window.location.pathname;
// if a url is passed into the template prefer it to the current url
<%if (asset_url.length > 0) { %>
url = '<%= asset_url %>';
<%}%>
var pymParent = new pym.Parent('coralStreamEmbed', '/embed/stream?asset_url=' + encodeURIComponent(url), {title: 'Talk Comments', id:'coralStreamIframe', name: 'coralStreamIframe', asset_url: url});
pymParent.onMessage('height', function(height) {
document.querySelector('#coralStreamEmbed iframe').height = height + 'px';
})
pymParent.onMessage('getPosition', function(notification) {
var position = viewport().height + document.body.scrollTop;
if (position > notificationOffset) {
position = position - notificationOffset;
}
pymParent.sendMessage('position', position);
});
pymParent.onMessage('childReady', function () {
var interval = setInterval(function () {
if (ready) {
window.clearInterval(interval);
// default to using the window.location
var url = window.location.hash;
// if a url is passed into the template prefer it to the current url
<%if (asset_url.length > 0) { %>
url = '<%= asset_url %>';
<%}%>
pymParent.sendMessage('DOMContentLoaded', url);
}
}, 100);
});
pymParent.onMessage('navigate', function (url) {
window.open(url, '_blank').focus();
})
// wait till images and other iframes are loaded before scrolling the page.
// or do we want to be more aggressive and scroll when we hit DOM ready?
document.addEventListener('DOMContentLoaded', function () {
ready = true;
});
function viewport() {
var e = window, a = 'inner';
if ( !( 'innerWidth' in window ) ){
a = 'client';
e = document.documentElement || document.body;
}
return { width : e[ a+'Width' ] , height : e[ a+'Height' ] }
}
</script>
</body>
</html>