修复流畅性

themes/Ying/assets/js/modules/floating-tools.js

@@ -1,3 +1,19 @@
+window.refreshFloatingTools = function() {
+    if (typeof window.initFloatingTools !== 'function') return;
+    var delays = [0, 60, 180];
+    delays.forEach(function(delay) {
+        setTimeout(function() {
+            requestAnimationFrame(function() {
+                try {
+                    window.initFloatingTools();
+                } catch (e) {
+                    console.error('initFloatingTools error:', e);
+                }
+            });
+        }, delay);
+    });
+};
+
 window.initFloatingTools = function() {
     try {
         // 0. Global Toolbar Visibility (Homepage Check)
@@ -7,29 +23,21 @@ window.initFloatingTools = function() {
         // 1. Check for Homepage-specific element (.recent-posts)
         // 2. Ensure NOT on a Post page (.post-content)
         // 3. Fallback: Check pathname (only if DOM check is ambiguous)
-        var hasRecentPosts = document.querySelector('.recent-posts');
-        var hasPostContent = document.querySelector('.post-content');
-        
-        var isHomePage = false;
-        if (hasRecentPosts && !hasPostContent) {
-            isHomePage = true;
-        } else if (!hasRecentPosts && !hasPostContent) {
-            // Could be Archive or Custom Page. Check Path.
-            var path = window.location.pathname;
-            if (path === '/' || path === '/index.html' || path.startsWith('/page/')) {
-                isHomePage = true;
-            }
-        }
+        var pjaxContainer = document.getElementById('pjax-container');
+        var hasRecentPosts = !!(pjaxContainer && pjaxContainer.querySelector('.recent-posts'));
+        var hasArticle = !!(pjaxContainer && (pjaxContainer.querySelector('#post-writing') || pjaxContainer.querySelector('#Comments')));
+        var path = window.location.pathname;
+        var isHomePage = !hasArticle && (hasRecentPosts || path === '/' || path === '/index.html' || path.startsWith('/page/'));
 
         if (container) {
             if (isHomePage) {
                 container.style.display = 'none';
-                // Do not return here, let other logic run in case we need to reset state
-                // But for performance, we can skip binding if hidden? 
-                // No, better to bind so if it becomes visible later (unlikely without PJAX) it works.
-                // Actually, with PJAX, this function runs again. So we can just hide it.
             } else {
-                container.style.display = ''; // Restore display
+                container.style.display = 'flex';
+                container.classList.remove('hidden');
+                container.style.visibility = 'visible';
+                container.style.opacity = '1';
+                container.style.pointerEvents = 'auto';
             }
         }
 
@@ -55,18 +63,19 @@ window.initFloatingTools = function() {
             }
 
             if (window.IntersectionObserver) {
-                var observer = new IntersectionObserver(function(entries) {
+                if (window.backToTopObserver) {
+                    window.backToTopObserver.disconnect();
+                }
+                window.backToTopObserver = new IntersectionObserver(function(entries) {
                     entries.forEach(function(entry) {
                         if (!entry.isIntersecting) {
-                            // Sentinel is out of view (scrolled down past 300px)
                             backToTopButton.classList.add('show');
                         } else {
-                            // Sentinel is in view (near top)
                             backToTopButton.classList.remove('show');
                         }
                     });
                 });
-                observer.observe(sentinel);
+                window.backToTopObserver.observe(sentinel);
             } else {
                 // Fallback for very old browsers
                 var ticking = false;
@@ -207,18 +216,32 @@ window.initFloatingTools = function() {
             window.lightboxObserver.disconnect();
         }
 
-        if (container) {
+        if (container && !isHomePage) {
+            var lightboxToolsHidden = null;
             var syncLightboxState = function() {
                 var lightbox = document.querySelector('.view-image');
+                var lightboxOpen = false;
                 if (lightbox) {
+                    var rect = lightbox.getBoundingClientRect();
+                    var style = window.getComputedStyle(lightbox);
+                    lightboxOpen = style.display !== 'none' && style.visibility !== 'hidden' && style.opacity !== '0' && rect.width > 0 && rect.height > 0;
+                }
+                if (lightboxToolsHidden === lightboxOpen) return;
+                lightboxToolsHidden = lightboxOpen;
+
+                if (lightboxOpen) {
                     container.classList.add('hidden');
                 } else {
                     container.classList.remove('hidden');
+                    container.style.display = 'flex';
+                    container.style.visibility = 'visible';
+                    container.style.opacity = '1';
+                    container.style.pointerEvents = 'auto';
                 }
             };
 
             window.lightboxObserver = new MutationObserver(function() {
-                syncLightboxState();
+                requestAnimationFrame(syncLightboxState);
             });
 
             window.lightboxObserver.observe(document.body, { childList: true, subtree: true });