forked from mirror/pixelfed
65 lines
1.9 KiB
JavaScript
65 lines
1.9 KiB
JavaScript
window.pixlfed = {};
|
|
window.pixlfed.config = {
|
|
domain: process.env.MIX_APP_DOMAIN,
|
|
}
|
|
|
|
pixlfed.autoSizeIFrame = function(el) {
|
|
console.log(el.contentDocument);
|
|
el.style.height = el.contentDocument.body.scrollHeight +'px';
|
|
}
|
|
|
|
pixlfed.polyfill = function() {
|
|
[].forEach.call(document.querySelectorAll('div.pixelfed-embed'), function(el) {
|
|
pixlfed.loadIFrame(el);
|
|
});
|
|
}
|
|
|
|
pixlfed.loadIFrame = function(el) {
|
|
let permalink = el.getAttribute('data-pixlfed-permalink');
|
|
let parser = document.createElement('a');
|
|
parser.href = permalink;
|
|
if(el.getAttribute('loaded') == 'true') {
|
|
return;
|
|
}
|
|
if(pixlfed.config.domain !== parser.host) {
|
|
el.setAttribute('loaded', 'true');
|
|
console.error('Invalid embed permalink')
|
|
return;
|
|
}
|
|
let css = 'background: white; max-width: 540px; width: calc(100% - 2px); border-radius: 3px; border: 1px solid rgb(219, 219, 219); box-shadow: none; display: block; margin: 0px 0px 12px; min-width: 326px; padding: 0px;';
|
|
let iframe = document.createElement('iframe');
|
|
iframe.onload = function() {
|
|
pixlfed.autoSizeIFrame(iframe);
|
|
}
|
|
iframe.setAttribute('allowtransparency', 'true');
|
|
iframe.setAttribute('frameborder', '0');
|
|
iframe.setAttribute('scrolling', 'no');
|
|
iframe.setAttribute('src', permalink);
|
|
iframe.setAttribute('style', css);
|
|
iframe.setAttribute('loaded', 'true');
|
|
el.replaceWith(iframe);
|
|
}
|
|
|
|
pixlfed.run = function() {
|
|
var lazyFrames = [].slice.call(document.querySelectorAll("div.pixelfed-embed"));
|
|
|
|
if ("IntersectionObserver" in window) {
|
|
let lazyFrameObserver = new IntersectionObserver(function(entries, observer) {
|
|
entries.forEach(function(entry) {
|
|
if (entry.isIntersecting) {
|
|
if(entry.target.getAttribute('loaded') !== 'true') {
|
|
pixlfed.loadIFrame(entry.target);
|
|
}
|
|
}
|
|
});
|
|
});
|
|
|
|
lazyFrames.forEach(function(lazyFrame) {
|
|
lazyFrameObserver.observe(lazyFrame);
|
|
});
|
|
} else {
|
|
pixlfed.polyfill();
|
|
}
|
|
}
|
|
|
|
pixlfed.run(); |