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// code related to showing and updating progressbar shown as the image is being made

function rememberGallerySelection(id_gallery){

}

function getGallerySelectedIndex(id_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 ? "block" : "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)

}