WebUI/script.js
2023-05-25 09:03:14 +03:00

131 lines
3.5 KiB
JavaScript

function gradioApp() {
const elems = document.getElementsByTagName('gradio-app');
const elem = elems.length == 0 ? document : elems[0];
if (elem !== document) {
elem.getElementById = function(id) {
return document.getElementById(id);
};
}
return elem.shadowRoot ? elem.shadowRoot : elem;
}
function get_uiCurrentTab() {
return gradioApp().querySelector('#tabs button.selected');
}
function get_uiCurrentTabContent() {
return gradioApp().querySelector('.tabitem[id^=tab_]:not([style*="display: none"])');
}
var uiUpdateCallbacks = [];
var uiLoadedCallbacks = [];
var uiTabChangeCallbacks = [];
var optionsChangedCallbacks = [];
var uiCurrentTab = null;
/**
* Register callback to be called at each UI update.
* The callback receives an array of MutationRecords as an argument.
*/
function onUiUpdate(callback) {
uiUpdateCallbacks.push(callback);
}
/**
* Register callback to be called when the UI is loaded.
* The callback receives no arguments.
*/
function onUiLoaded(callback) {
uiLoadedCallbacks.push(callback);
}
/**
* Register callback to be called when the UI tab is changed.
* The callback receives no arguments.
*/
function onUiTabChange(callback) {
uiTabChangeCallbacks.push(callback);
}
/**
* Register callback to be called when the options are changed.
* The callback receives no arguments.
* @param callback
*/
function onOptionsChanged(callback) {
optionsChangedCallbacks.push(callback);
}
function executeCallbacks(queue, arg) {
for (const callback of queue) {
try {
callback(arg);
} catch (e) {
console.error("error running callback", callback, ":", e);
}
}
}
}
var executedOnLoaded = false;
document.addEventListener("DOMContentLoaded", function() {
var mutationObserver = new MutationObserver(function(m) {
if (!executedOnLoaded && gradioApp().querySelector('#txt2img_prompt')) {
executedOnLoaded = true;
executeCallbacks(uiLoadedCallbacks);
}
executeCallbacks(uiUpdateCallbacks, m);
const newTab = get_uiCurrentTab();
if (newTab && (newTab !== uiCurrentTab)) {
uiCurrentTab = newTab;
executeCallbacks(uiTabChangeCallbacks);
}
});
mutationObserver.observe(gradioApp(), {childList: true, subtree: true});
});
/**
* Add a ctrl+enter as a shortcut to start a generation
*/
document.addEventListener('keydown', function(e) {
var handled = false;
if (e.key !== undefined) {
if ((e.key == "Enter" && (e.metaKey || e.ctrlKey || e.altKey))) handled = true;
} else if (e.keyCode !== undefined) {
if ((e.keyCode == 13 && (e.metaKey || e.ctrlKey || e.altKey))) handled = true;
}
if (handled) {
var button = get_uiCurrentTabContent().querySelector('button[id$=_generate]');
if (button) {
button.click();
}
e.preventDefault();
}
});
/**
* checks that a UI element is not in another hidden element or tab content
*/
function uiElementIsVisible(el) {
if (el === document) {
return true;
}
const computedStyle = getComputedStyle(el);
const isVisible = computedStyle.display !== 'none';
if (!isVisible) return false;
return uiElementIsVisible(el.parentNode);
}
function uiElementInSight(el) {
const clRect = el.getBoundingClientRect();
const windowHeight = window.innerHeight;
const isOnScreen = clRect.bottom > 0 && clRect.top < windowHeight;
return isOnScreen;
}