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* if there are any UI elements unfortunate enough to need
* interactivity beyond what native HTML+CSS can provide. if so,
* we attach the appropriate listeners to them. */
window.addEventListener('load', function() {
/* social media is less fun when you can't just click on a tweet
* to insta-like or -retweet it. this is unfortunately not possible
* (except in various hideously shitty ways) without javascript. */
function mk(elt) { return document.createElement(elt); }
function posturl(post) {
return post.querySelector('.permalink').attributes.getNamedItem('href').value;
}
function postReq(url,act,elt) {
fetch(new Request(url, {
method: 'POST',
body: 'act='+act
})).then(function(resp) {
if (resp.ok && resp.status == 200) {
var i = parseInt(elt.innerHTML)
if (isNaN(i)) {i=0}
elt.innerHTML = (i+1).toString()
}
})
}
/* div-based like and rt aren't very keyboard-friendly. add a replacement */
if (document.querySelector('body.timeline, body.profile') != null) {
window.addEventListener('keydown', function(event) {
if (!window._liveTweetMap) { return; }
if (event.isComposing || event.keyCode === 229) { return; } // 🙄
var cururl = window._liveTweetMap.cur;
var nexturl = null;
if (event.key == 'j') { // down
if (cururl == null) {
nexturl = window._liveTweetMap.first
} else {
nexturl = window._liveTweetMap.map.get(cururl).next
}
} else if (event.key == 'k') { // up
if (cururl == null) {
nexturl = window._liveTweetMap.last
} else {
nexturl = window._liveTweetMap.map.get(cururl).prev
}
} else if (cururl != null) {
var post = window._liveTweetMap.map.get(cururl).me
if (event.key == 'f') { // fave
postReq(cururl, 'like', post.querySelector('.stats>.like'))
} else if (event.key == 'r') { // rt
postReq(cururl, 'rt', post.querySelector('.stats>.rt'))
} else if (event.key == 'Enter') { // nav
window.location = cururl;
return;
}
}
if (nexturl != null) {
if (cururl != null) {
var cur = window._liveTweetMap.map.get(cururl);
cur.me.classList.remove('live-selected')
}
var next = window._liveTweetMap.map.get(nexturl);
next.me.classList.add('live-selected')
window._liveTweetMap.cur = nexturl
}
});
}
function attachButtons() {
var last = null;
var newmap = { cur: null, first: null, last: null, map: new Map() }
document.querySelectorAll('body:not(.post) main article.post').forEach(function(post){
let url = posturl(post);
if (last == null) { newmap.first = url; } else {
newmap.map.get(last).next = url
}
newmap.map.set(url, {me: post, prev: last, next: null})
last = url
if (window._liveTweetMap && window._liveTweetMap.cur == url) {
post.classList.add('live-selected');
}
var stats = post.querySelector('.stats');
if (stats == null) {
/* no stats box; create one */
var n = mk('div');
n.classList.add('stats');
post.appendChild(n);
stats = n
}
function ensureElt(cls, before) {
let s = stats.querySelector('.' + cls);
if (s == null) {
var n = mk('div');
n.classList.add(cls);
if (before == null) { stats.appendChild(n) } else {
stats.insertBefore(n,stats.querySelector(before))
}
return n
} else { return s }
}
var like = ensureElt('like', null);
var rt = ensureElt('rt','.like');
function activate(elt,name) {
elt.addEventListener('click', function(e) { postReq(url,name,elt) });
elt.style.setProperty('cursor','pointer');
elt.setAttribute('tabindex','0');
}
activate(like,'like');
activate(rt,'rt');
});
newmap.last = last
if (window._liveTweetMap) {
newmap.cur = window._liveTweetMap.cur // TODO handle vanishments
}
window._liveTweetMap = newmap
}
/* update hue-picker background when slider is adjusted */
document.querySelectorAll('.color-picker').forEach(function(box) {
let slider = box.querySelector('[data-color-pick]');
box.style.setProperty('--hue', slider.value);
slider.addEventListener('input', function(e) {
................................................................................
* tree from its html, find the element in question, ferret out
* any deltas, and apply them. */
document.querySelectorAll('*[data-live]').forEach(function(container) {
let interv = parseFloat(container.attributes.getNamedItem('data-live').nodeValue) * 1000;
container._liveLastArrival = 0; /* TODO include initial value in document */
window.setInterval(function() {
var req = new Request(window.location, {
method: 'GET',
headers: {
'X-Live-Last-Arrival': container._liveLastArrival
}
})
fetch(req).then(function(resp) {
if (!resp.ok) return;
let newest = parseInt(resp.headers.get('X-Live-Newest-Artifact'));
if (newest == container._liveLastArrival) { // != also handles some deletions
resp.body.cancel();
return;
}
container._liveLastArrival = newest
resp.text().then(function(htmlbody) {
var parser = new DOMParser();
var newdoc = parser.parseFromString(htmlbody,'text/html')
container.innerHTML = newdoc.getElementById(container.id).innerHTML;
attachButtons();
})
})
}, interv)
});
attachButtons();
});
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* if there are any UI elements unfortunate enough to need
* interactivity beyond what native HTML+CSS can provide. if so,
* we attach the appropriate listeners to them. */
window.addEventListener('load', function() {
/* social media is less fun when you can't just click on a tweet
* to insta-like or -retweet it. this is unfortunately not possible
* (except in various hideously shitty ways) without javascript. */
let mk = elt => document.createElement(elt);
let posturl = post => post.querySelector('.permalink').attributes.getNamedItem('href').value;
let focused = () => document.querySelector('textarea:focus, input:focus, button:focus, select:focus, a[href]:focus') != null;
function postReq(url,act,elt) {
fetch(new Request(url, {
method: 'POST',
body: 'act='+act
})).then(function(resp) {
if (resp.ok && resp.status == 200) {
let i = parseInt(elt.innerHTML)
if (isNaN(i)) {i=0}
elt.innerHTML = (i+1).toString()
elt.animate({
transform: ['scale(1.4)', 'scale(1.0)'],
filter: ['brightness(1)','brightness(0)']
},200)
}
})
}
function onkey(elt, fn) {
elt.addEventListener('keydown', function(ev) {
if (!window._liveTweetMap) { return; }
if (event.isComposing || event.keyCode === 229) { return; } // 🙄
return fn(ev);
})
}
/* div-based like and rt aren't very keyboard-friendly. add a replacement */
if (document.querySelector('body.timeline, body.profile, body.post') != null) {
onkey(window, function(event) {
if (focused()) {return;}
let cururl = window._liveTweetMap.cur;
let nexturl = null;
if (event.key == 'j') { // down
if (cururl == null) {
nexturl = window._liveTweetMap.first
} else {
nexturl = window._liveTweetMap.map.get(cururl).next
}
} else if (event.key == 'k') { // up
if (cururl == null) {
nexturl = window._liveTweetMap.last
} else {
nexturl = window._liveTweetMap.map.get(cururl).prev
}
} else if (cururl != null) {
let post = window._liveTweetMap.map.get(cururl).me
if (event.key == 'f') { // fave
postReq(cururl, 'like', post.querySelector('.stats>.like'))
} else if (event.key == 'r') { // rt
postReq(cururl, 'rt', post.querySelector('.stats>.rt'))
} else if (event.key == 'd') { // rt
if (post.attributes.getNamedItem('data-own')) {
window.location = cururl + '/del';
}
} else if (event.key == 'Enter') { // nav
window.location = cururl;
return;
}
}
if (nexturl != null) {
if (cururl != null) {
let cur = window._liveTweetMap.map.get(cururl);
cur.me.classList.remove('live-selected')
}
let next = window._liveTweetMap.map.get(nexturl);
next.me.classList.add('live-selected')
window._liveTweetMap.cur = nexturl
}
});
}
/* make ctrl-enter submit poasts. why the fuck does this require jabbascript */
document.querySelectorAll('form').forEach(form => form.querySelectorAll('textarea').forEach(function(te) {
let submitbtn = form.querySelector('button[name], input[type="submit"][name], input[type="image"][name]');
onkey(te, function(e) {
if(e.ctrlKey && e.keyCode == 13) {
if(submitbtn == null) { form.submit(); } else { submitbtn.click(); }
// are you kidding me with this shit
return true;
}
})
}));
/* allow response to queries via the keyboard */
let queryform = document.querySelector('body.query form');
if(queryform != null) {
okbtn = queryform.querySelector('button[name]');
nobtn = queryform.querySelector('.button.no, button.no');
onkey(window, function(e) {
if (focused()) {return;}
if (e.keyCode == 13 || e.key == 'y') {
if (okbtn != null) { okbtn.click() } else { queryform.submit() }
} else if (e.key == 'Escape' || e.key == 'n') {
if (nobtn != null) { nobtn.click() } else { window.history.back() }
}
});
}
function attachButtons() {
let last = null;
let newmap = { cur: null, first: null, last: null, map: new Map() }
document.querySelectorAll('main article.post').forEach(function(post){
let url = posturl(post);
if (last == null) { newmap.first = url; } else {
newmap.map.get(last).next = url
}
newmap.map.set(url, {me: post, prev: last, next: null})
last = url
if (window._liveTweetMap && window._liveTweetMap.cur == url) {
post.classList.add('live-selected');
}
let stats = post.querySelector('.stats');
if (stats == null) {
/* no stats box; create one */
let n = mk('div');
n.classList.add('stats');
post.appendChild(n);
stats = n
}
function ensureElt(cls, before) {
let s = stats.querySelector('.' + cls);
if (s == null) {
let n = mk('div');
n.classList.add(cls);
if (before == null) { stats.appendChild(n) } else {
stats.insertBefore(n,stats.querySelector(before))
}
return n
} else { return s }
}
let like = ensureElt('like', null);
let rt = ensureElt('rt','.like');
function activate(elt,name) {
elt.addEventListener('click', function(e) { postReq(url,name,elt) });
elt.style.setProperty('cursor','pointer');
elt.setAttribute('tabindex','0');
}
activate(like,'like');
activate(rt,'rt');
});
newmap.last = last
if (window._liveTweetMap) {
newmap.cur = window._liveTweetMap.cur // TODO handle vanishments
}
window._liveTweetMap = newmap;
}
/* update hue-picker background when slider is adjusted */
document.querySelectorAll('.color-picker').forEach(function(box) {
let slider = box.querySelector('[data-color-pick]');
box.style.setProperty('--hue', slider.value);
slider.addEventListener('input', function(e) {
................................................................................
* tree from its html, find the element in question, ferret out
* any deltas, and apply them. */
document.querySelectorAll('*[data-live]').forEach(function(container) {
let interv = parseFloat(container.attributes.getNamedItem('data-live').nodeValue) * 1000;
container._liveLastArrival = 0; /* TODO include initial value in document */
window.setInterval(function() {
let req = new Request(window.location, {
method: 'GET',
headers: { 'X-Live-Last-Arrival': container._liveLastArrival }
})
fetch(req).then(function(resp) {
if (!resp.ok) return;
let newest = parseInt(resp.headers.get('X-Live-Newest-Artifact'));
if (newest == container._liveLastArrival) { // != also handles some deletions
resp.body.cancel();
return;
}
container._liveLastArrival = newest
resp.text().then(function(htmlbody) {
let parser = new DOMParser();
let newdoc = parser.parseFromString(htmlbody,'text/html')
container.innerHTML = newdoc.getElementById(container.id).innerHTML;
attachButtons();
})
})
}, interv)
});
attachButtons();
});
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