(function(F){
"use strict";
const P = F.page, D = F.dom;
F.onPageLoad(function(){
const scrollbarIsVisible = (e)=>e.scrollHeight > e.clientHeight;
const getWidgetHandler = function(widget, contentElem){
return function(ev){
if(ev) ev.preventDefault();
const wasExpanded = widget.classList.contains('expanded');
widget.classList.toggle('expanded');
contentElem.classList.toggle('expanded');
if(wasExpanded){
contentElem.classList.add('shrunken');
contentElem.parentElement.scrollIntoView({
 behavior: 'smooth'
});
}else{
contentElem.classList.remove('shrunken');
}
return false;
};
};
document.querySelectorAll(
'div.forumTime, div.forumEdit'
).forEach(function f(forumPostWrapper){
const content = forumPostWrapper.querySelector('div.forumPostBody');
if(!content || !scrollbarIsVisible(content)) return;
const parent = content.parentElement,
widget =  D.addClass(
D.div(),
'forum-post-collapser','bottom'
),
rightTapZone = D.addClass(
D.div(),
'forum-post-collapser','right'
);
const refillTapZone = function f(){
if(!f.baseTapIndicatorHeight){
const h1 = document.querySelector('h1, h2');
f.baseTapIndicatorHeight = h1.getBoundingClientRect().height;
}
D.clearElement(rightTapZone);
var rtzHeight = parseInt(window.getComputedStyle(rightTapZone).height);
do {
D.append(rightTapZone, D.span());
rtzHeight -= f.baseTapIndicatorHeight * 8;
}while(rtzHeight>0);
};
const handlerStep1 = getWidgetHandler(widget, content);
const widgetEventHandler = ()=>{ handlerStep1(); refillTapZone(); };
content.classList.add('with-expander');
widget.addEventListener('click', widgetEventHandler, false);
var i = 0;
for( ; i < 3; ++i ) D.append(widget, D.span());
if(content.nextSibling){
forumPostWrapper.insertBefore(widget, content.nextSibling);
}else{
forumPostWrapper.appendChild(widget);
}
content.appendChild(rightTapZone);
rightTapZone.addEventListener('click', widgetEventHandler, false);
refillTapZone();
});
if(F.pikchr){
F.pikchr.addSrcView();
}
const formSubmitted = function(event){
const form = event.target;
if( form.dataset.submitted ){
event.preventDefault();
return;
}
form.dataset.submitted = '1';
setTimeout(()=>{delete form.dataset.submitted}, 7000);
return;
};
document.querySelectorAll("form").forEach(function(form){
form.addEventListener('submit',formSubmitted);
});
});
})(window.fossil);