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// code related to showing and updating progressbar shown as the image is being made
global_progressbars = {}
galleries = {}
galleryObservers = {}
// this tracks laumnches of window.setTimeout for progressbar to prevent starting a new timeout when the previous is still running
timeoutIds = {}
function check_progressbar(id_part, id_progressbar, id_progressbar_span, id_skip, id_interrupt, id_preview, id_gallery){
// gradio 3.8's enlightened approach allows them to create two nested div elements inside each other with same id
// every time you use gr.HTML(elem_id='xxx'), so we handle this here
var progressbar = gradioApp().querySelector("#"+id_progressbar+" #"+id_progressbar)
var progressbarParent
if(progressbar){
progressbarParent = gradioApp().querySelector("#"+id_progressbar)
} else{
progressbar = gradioApp().getElementById(id_progressbar)
progressbarParent = null
}
var skip = id_skip ? gradioApp().getElementById(id_skip) : null
var interrupt = gradioApp().getElementById(id_interrupt)
if(opts.show_progress_in_title && progressbar && progressbar.offsetParent){
if(progressbar.innerText){
let newtitle = '[' + progressbar.innerText.trim() + '] Stable Diffusion';
if(document.title != newtitle){
document.title = newtitle;
}
}else{
let newtitle = 'Stable Diffusion'
if(document.title != newtitle){
document.title = newtitle;
}
}
}
if(progressbar!= null && progressbar != global_progressbars[id_progressbar]){
global_progressbars[id_progressbar] = progressbar
var mutationObserver = new MutationObserver(function(m){
if(timeoutIds[id_part]) return;
preview = gradioApp().getElementById(id_preview)
gallery = gradioApp().getElementById(id_gallery)
if(preview != null && gallery != null){
preview.style.width = gallery.clientWidth + "px"
preview.style.height = gallery.clientHeight + "px"
if(progressbarParent) progressbar.style.width = progressbarParent.clientWidth + "px"
//only watch gallery if there is a generation process going on
check_gallery(id_gallery);
var progressDiv = gradioApp().querySelectorAll('#' + id_progressbar_span).length > 0;
if(progressDiv){
timeoutIds[id_part] = window.setTimeout(function() {
timeoutIds[id_part] = null
requestMoreProgress(id_part, id_progressbar_span, id_skip, id_interrupt)
}, 500)
} else{
if (skip) {
skip.style.display = "none"
}
interrupt.style.display = "none"
//disconnect observer once generation finished, so user can close selected image if they want
if (galleryObservers[id_gallery]) {
galleryObservers[id_gallery].disconnect();
galleries[id_gallery] = null;
}
}
}
});
mutationObserver.observe( progressbar, { childList:true, subtree:true })
}
}
function check_gallery(id_gallery){
let gallery = gradioApp().getElementById(id_gallery)
// if gallery has no change, no need to setting up observer again.
if (gallery && galleries[id_gallery] !== gallery){
galleries[id_gallery] = gallery;
if(galleryObservers[id_gallery]){
galleryObservers[id_gallery].disconnect();
}
let prevSelectedIndex = selected_gallery_index();
galleryObservers[id_gallery] = new MutationObserver(function (){
let galleryButtons = gradioApp().querySelectorAll('#'+id_gallery+' .gallery-item')
let galleryBtnSelected = gradioApp().querySelector('#'+id_gallery+' .gallery-item.\\!ring-2')
if (prevSelectedIndex !== -1 && galleryButtons.length>prevSelectedIndex && !galleryBtnSelected) {
// automatically re-open previously selected index (if exists)
activeElement = gradioApp().activeElement;
let scrollX = window.scrollX;
let scrollY = window.scrollY;
galleryButtons[prevSelectedIndex].click();
showGalleryImage();
// When the gallery button is clicked, it gains focus and scrolls itself into view
// We need to scroll back to the previous position
setTimeout(function (){
window.scrollTo(scrollX, scrollY);
}, 50);
if(activeElement){
// i fought this for about an hour; i don't know why the focus is lost or why this helps recover it
// if someone has a better solution please by all means
setTimeout(function (){
activeElement.focus({
preventScroll: true // Refocus the element that was focused before the gallery was opened without scrolling to it
})
}, 1);
}
}
})
galleryObservers[id_gallery].observe( gallery, { childList:true, subtree:false })
}
}
onUiUpdate(function(){
check_progressbar('txt2img', 'txt2img_progressbar', 'txt2img_progress_span', 'txt2img_skip', 'txt2img_interrupt', 'txt2img_preview', 'txt2img_gallery')
check_progressbar('img2img', 'img2img_progressbar', 'img2img_progress_span', 'img2img_skip', 'img2img_interrupt', 'img2img_preview', 'img2img_gallery')
check_progressbar('ti', 'ti_progressbar', 'ti_progress_span', '', 'ti_interrupt', 'ti_preview', 'ti_gallery')
})
function requestMoreProgress(id_part, id_progressbar_span, id_skip, id_interrupt){
btn = gradioApp().getElementById(id_part+"_check_progress");
if(btn==null) return;
btn.click();
var progressDiv = gradioApp().querySelectorAll('#' + id_progressbar_span).length > 0;
var skip = id_skip ? gradioApp().getElementById(id_skip) : null
var interrupt = gradioApp().getElementById(id_interrupt)
if(progressDiv && interrupt){
if (skip) {
skip.style.display = "block"
}
interrupt.style.display = "block"
}
}
function requestProgress(id_part){
btn = gradioApp().getElementById(id_part+"_check_progress_initial");
if(btn==null) return;
btn.click();
}
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