Comfyui-LayerForge/js/utils/mask_utils.js

import {createModuleLogger} from "./LoggerUtils.js";

const log = createModuleLogger('MaskUtils');

export function new_editor(app) {
    if (!app) return false;
    return app.ui.settings.getSettingValue('Comfy.MaskEditor.UseNewEditor')
}

function get_mask_editor_element(app) {
    return new_editor(app) ? document.getElementById('maskEditor') : document.getElementById('maskCanvas')?.parentElement
}

export function mask_editor_showing(app) {
    const editor = get_mask_editor_element(app);
    return editor && editor.style.display !== "none";
}

export function hide_mask_editor() {
    if (mask_editor_showing()) document.getElementById('maskEditor').style.display = 'none'
}

function get_mask_editor_cancel_button(app) {

    const cancelButton = document.getElementById("maskEditor_topBarCancelButton");
    if (cancelButton) {
        log.debug("Found cancel button by ID: maskEditor_topBarCancelButton");
        return cancelButton;
    }

    const cancelSelectors = [
        'button[onclick*="cancel"]',
        'button[onclick*="Cancel"]',
        'input[value="Cancel"]'
    ];

    for (const selector of cancelSelectors) {
        try {
            const button = document.querySelector(selector);
            if (button) {
                log.debug("Found cancel button with selector:", selector);
                return button;
            }
        } catch (e) {
            log.warn("Invalid selector:", selector, e);
        }
    }

    const allButtons = document.querySelectorAll('button, input[type="button"]');
    for (const button of allButtons) {
        const text = button.textContent || button.value || '';
        if (text.toLowerCase().includes('cancel')) {
            log.debug("Found cancel button by text content:", text);
            return button;
        }
    }

    const editorElement = get_mask_editor_element(app);
    if (editorElement) {
        return editorElement?.parentElement?.lastChild?.childNodes[2];
    }

    return null;
}

function get_mask_editor_save_button(app) {
    if (document.getElementById("maskEditor_topBarSaveButton")) return document.getElementById("maskEditor_topBarSaveButton")
    return get_mask_editor_element(app)?.parentElement?.lastChild?.childNodes[2]
}

export function mask_editor_listen_for_cancel(app, callback) {

    let attempts = 0;
    const maxAttempts = 50; // 5 sekund

    const findAndAttachListener = () => {
        attempts++;
        const cancel_button = get_mask_editor_cancel_button(app);

        if (cancel_button && !cancel_button.filter_listener_added) {
            log.info("Cancel button found, attaching listener");
            cancel_button.addEventListener('click', callback);
            cancel_button.filter_listener_added = true;
            return true; // Znaleziono i podłączono
        } else if (attempts < maxAttempts) {

            setTimeout(findAndAttachListener, 100);
        } else {
            log.warn("Could not find cancel button after", maxAttempts, "attempts");

            const globalClickHandler = (event) => {
                const target = event.target;
                const text = target.textContent || target.value || '';
                if (text.toLowerCase().includes('cancel') ||
                    target.id.toLowerCase().includes('cancel') ||
                    target.className.toLowerCase().includes('cancel')) {
                    log.info("Cancel detected via global click handler");
                    callback();
                    document.removeEventListener('click', globalClickHandler);
                }
            };

            document.addEventListener('click', globalClickHandler);
            log.debug("Added global click handler for cancel detection");
        }
    };

    findAndAttachListener();
}

export function press_maskeditor_save(app) {
    get_mask_editor_save_button(app)?.click()
}

export function press_maskeditor_cancel(app) {
    get_mask_editor_cancel_button(app)?.click()
}

/**
 * Uruchamia mask editor z predefiniowaną maską
 * @param {Object} canvasInstance - Instancja Canvas
 * @param {Image|HTMLCanvasElement} maskImage - Obraz maski do nałożenia
 * @param {boolean} sendCleanImage - Czy wysłać czysty obraz (bez istniejącej maski)
 */
export function start_mask_editor_with_predefined_mask(canvasInstance, maskImage, sendCleanImage = true) {
    if (!canvasInstance || !maskImage) {
        log.error('Canvas instance and mask image are required');
        return;
    }

    canvasInstance.startMaskEditor(maskImage, sendCleanImage);
}

/**
 * Uruchamia mask editor z automatycznym zachowaniem (czysty obraz + istniejąca maska)
 * @param {Object} canvasInstance - Instancja Canvas
 */
export function start_mask_editor_auto(canvasInstance) {
    if (!canvasInstance) {
        log.error('Canvas instance is required');
        return;
    }


    canvasInstance.startMaskEditor();
}

/**
 * Tworzy maskę z obrazu dla użycia w mask editorze
 * @param {string} imageSrc - Źródło obrazu (URL lub data URL)
 * @returns {Promise<Image>} Promise zwracający obiekt Image
 */
export function create_mask_from_image_src(imageSrc) {
    return new Promise((resolve, reject) => {
        const img = new Image();
        img.onload = () => resolve(img);
        img.onerror = reject;
        img.src = imageSrc;
    });
}

/**
 * Konwertuje canvas do Image dla użycia jako maska
 * @param {HTMLCanvasElement} canvas - Canvas do konwersji
 * @returns {Promise<Image>} Promise zwracający obiekt Image
 */
export function canvas_to_mask_image(canvas) {
    return new Promise((resolve, reject) => {
        const img = new Image();
        img.onload = () => resolve(img);
        img.onerror = reject;
        img.src = canvas.toDataURL();
    });
}