Adobe Connect Bridge Marketplace edition — initial release

2026-09-01 22:43:54 +03:30
commit 555cd725f7
93 changed files with 20833 additions and 0 deletions
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+/**
+ * Shared scroll lock for MeetLet modals.
+ * Uses body overflow + scroll guards — no position:fixed on body (avoids white-page flash).
+ *
+ * @package    mod_meetletacbmarketplace
+ * @copyright  2026 MeetLet
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+(function (global) {
+    'use strict';
+
+    var scrollLockY = 0;
+    var guardsActive = false;
+
+    function scrollbarWidth() {
+        return Math.max(0, global.innerWidth - document.documentElement.clientWidth);
+    }
+
+    function focusNoScroll(el) {
+        if (!el || typeof el.focus !== 'function') {
+            return;
+        }
+        try {
+            el.focus({preventScroll: true});
+        } catch (e) {
+            el.focus();
+        }
+    }
+
+    function restoreScroll() {
+        if (scrollLockY > 0) {
+            global.scrollTo(0, scrollLockY);
+        }
+    }
+
+    function onScrollGuard() {
+        if (scrollLockY && global.scrollY !== scrollLockY) {
+            global.scrollTo(0, scrollLockY);
+        }
+    }
+
+    function onMoveGuard(e) {
+        if (e.target.closest && e.target.closest('.meetlet-modal__dialog')) {
+            return;
+        }
+        e.preventDefault();
+    }
+
+    function bindGuards() {
+        if (guardsActive) {
+            return;
+        }
+        guardsActive = true;
+        global.addEventListener('scroll', onScrollGuard, true);
+        global.addEventListener('wheel', onMoveGuard, {passive: false, capture: true});
+        global.addEventListener('touchmove', onMoveGuard, {passive: false, capture: true});
+    }
+
+    function unbindGuards() {
+        if (!guardsActive) {
+            return;
+        }
+        guardsActive = false;
+        global.removeEventListener('scroll', onScrollGuard, true);
+        global.removeEventListener('wheel', onMoveGuard, true);
+        global.removeEventListener('touchmove', onMoveGuard, true);
+    }
+
+    function lockPageScroll() {
+        if (document.documentElement.classList.contains('meetlet-modal-open')) {
+            return;
+        }
+        scrollLockY = global.scrollY || document.documentElement.scrollTop || document.body.scrollTop || 0;
+        var pad = scrollbarWidth();
+        if (pad > 0) {
+            document.body.style.paddingRight = pad + 'px';
+        }
+        document.documentElement.classList.add('meetlet-modal-open');
+        restoreScroll();
+        if (typeof global.requestAnimationFrame === 'function') {
+            global.requestAnimationFrame(restoreScroll);
+        }
+        bindGuards();
+    }
+
+    function unlockPageScroll() {
+        if (!document.documentElement.classList.contains('meetlet-modal-open')) {
+            return;
+        }
+        unbindGuards();
+        var y = scrollLockY;
+        document.documentElement.classList.remove('meetlet-modal-open');
+        document.body.style.paddingRight = '';
+        scrollLockY = 0;
+        if (y) {
+            global.scrollTo(0, y);
+            if (typeof global.requestAnimationFrame === 'function') {
+                global.requestAnimationFrame(function () {
+                    global.scrollTo(0, y);
+                });
+            }
+        }
+    }
+
+    global.MeetletModalScroll = {
+        lock: lockPageScroll,
+        unlock: unlockPageScroll,
+        focusNoScroll: focusNoScroll,
+    };
+}(typeof window !== 'undefined' ? window : this));