stable-diffusion-webui/javascript/progressbar.js
2023-01-19 16:56:45 +03:00

243 lines
8.2 KiB
JavaScript

// code related to showing and updating progressbar shown as the image is being made
galleries = {}
storedGallerySelections = {}
galleryObservers = {}
function rememberGallerySelection(id_gallery){
storedGallerySelections[id_gallery] = getGallerySelectedIndex(id_gallery)
}
function getGallerySelectedIndex(id_gallery){
let galleryButtons = gradioApp().querySelectorAll('#'+id_gallery+' .gallery-item')
let galleryBtnSelected = gradioApp().querySelector('#'+id_gallery+' .gallery-item.\\!ring-2')
let currentlySelectedIndex = -1
galleryButtons.forEach(function(v, i){ if(v==galleryBtnSelected) { currentlySelectedIndex = i } })
return currentlySelectedIndex
}
// this is a workaround for https://github.com/gradio-app/gradio/issues/2984
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();
}
storedGallerySelections[id_gallery] = -1
galleryObservers[id_gallery] = new MutationObserver(function (){
let galleryButtons = gradioApp().querySelectorAll('#'+id_gallery+' .gallery-item')
let galleryBtnSelected = gradioApp().querySelector('#'+id_gallery+' .gallery-item.\\!ring-2')
let currentlySelectedIndex = getGallerySelectedIndex(id_gallery)
prevSelectedIndex = storedGallerySelections[id_gallery]
storedGallerySelections[id_gallery] = -1
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_gallery('txt2img_gallery')
check_gallery('img2img_gallery')
})
function request(url, data, handler, errorHandler){
var xhr = new XMLHttpRequest();
var url = url;
xhr.open("POST", url, true);
xhr.setRequestHeader("Content-Type", "application/json");
xhr.onreadystatechange = function () {
if (xhr.readyState === 4) {
if (xhr.status === 200) {
try {
var js = JSON.parse(xhr.responseText);
handler(js)
} catch (error) {
console.error(error);
errorHandler()
}
} else{
errorHandler()
}
}
};
var js = JSON.stringify(data);
xhr.send(js);
}
function pad2(x){
return x<10 ? '0'+x : x
}
function formatTime(secs){
if(secs > 3600){
return pad2(Math.floor(secs/60/60)) + ":" + pad2(Math.floor(secs/60)%60) + ":" + pad2(Math.floor(secs)%60)
} else if(secs > 60){
return pad2(Math.floor(secs/60)) + ":" + pad2(Math.floor(secs)%60)
} else{
return Math.floor(secs) + "s"
}
}
function setTitle(progress){
var title = 'Stable Diffusion'
if(opts.show_progress_in_title && progress){
title = '[' + progress.trim() + '] ' + title;
}
if(document.title != title){
document.title = title;
}
}
function randomId(){
return "task(" + Math.random().toString(36).slice(2, 7) + Math.random().toString(36).slice(2, 7) + Math.random().toString(36).slice(2, 7)+")"
}
// starts sending progress requests to "/internal/progress" uri, creating progressbar above progressbarContainer element and
// preview inside gallery element. Cleans up all created stuff when the task is over and calls atEnd.
// calls onProgress every time there is a progress update
function requestProgress(id_task, progressbarContainer, gallery, atEnd, onProgress){
var dateStart = new Date()
var wasEverActive = false
var parentProgressbar = progressbarContainer.parentNode
var parentGallery = gallery ? gallery.parentNode : null
var divProgress = document.createElement('div')
divProgress.className='progressDiv'
divProgress.style.display = opts.show_progressbar ? "" : "none"
var divInner = document.createElement('div')
divInner.className='progress'
divProgress.appendChild(divInner)
parentProgressbar.insertBefore(divProgress, progressbarContainer)
if(parentGallery){
var livePreview = document.createElement('div')
livePreview.className='livePreview'
parentGallery.insertBefore(livePreview, gallery)
}
var removeProgressBar = function(){
setTitle("")
parentProgressbar.removeChild(divProgress)
if(parentGallery) parentGallery.removeChild(livePreview)
atEnd()
}
var fun = function(id_task, id_live_preview){
request("./internal/progress", {"id_task": id_task, "id_live_preview": id_live_preview}, function(res){
if(res.completed){
removeProgressBar()
return
}
var rect = progressbarContainer.getBoundingClientRect()
if(rect.width){
divProgress.style.width = rect.width + "px";
}
progressText = ""
divInner.style.width = ((res.progress || 0) * 100.0) + '%'
divInner.style.background = res.progress ? "" : "transparent"
if(res.progress > 0){
progressText = ((res.progress || 0) * 100.0).toFixed(0) + '%'
}
if(res.eta){
progressText += " ETA: " + formatTime(res.eta)
}
setTitle(progressText)
if(res.textinfo && res.textinfo.indexOf("\n") == -1){
progressText = res.textinfo + " " + progressText
}
divInner.textContent = progressText
var elapsedFromStart = (new Date() - dateStart) / 1000
if(res.active) wasEverActive = true;
if(! res.active && wasEverActive){
removeProgressBar()
return
}
if(elapsedFromStart > 5 && !res.queued && !res.active){
removeProgressBar()
return
}
if(res.live_preview && gallery){
var rect = gallery.getBoundingClientRect()
if(rect.width){
livePreview.style.width = rect.width + "px"
livePreview.style.height = rect.height + "px"
}
var img = new Image();
img.onload = function() {
livePreview.appendChild(img)
if(livePreview.childElementCount > 2){
livePreview.removeChild(livePreview.firstElementChild)
}
}
img.src = res.live_preview;
}
if(onProgress){
onProgress(res)
}
setTimeout(() => {
fun(id_task, res.id_live_preview);
}, opts.live_preview_refresh_period || 500)
}, function(){
removeProgressBar()
})
}
fun(id_task, 0)
}