优化导航栏、分享海报等显示效果；优化代码及性能

2026-07-25 13:33:51 +08:00
parent 32bf39f733
commit 7d56858616
13 changed files with 498 additions and 416 deletions
@@ -163,6 +163,31 @@ var pix = {

    },

+    centerCategoryNavActive: function ($link) {
+        var $activeLink = $link && $link.length ? $link : $('.moment_cat_nav .active, .posts_cat_nav .active, .photos_cat_nav .active, .douban_cat_nav .active, .friends_cat_nav .active').first();
+        if (!$activeLink || !$activeLink.length) {
+            return;
+        }
+
+        var navEl = $activeLink.closest('.moment_cat_nav, .posts_cat_nav, .photos_cat_nav, .douban_cat_nav, .friends_cat_nav').find('ul').get(0);
+        if (!navEl) {
+            return;
+        }
+
+        var linkEl = $activeLink.get(0);
+        var maxScrollLeft = navEl.scrollWidth - navEl.clientWidth;
+        if (maxScrollLeft <= 0) {
+            return;
+        }
+
+        var navRect = navEl.getBoundingClientRect();
+        var linkRect = linkEl.getBoundingClientRect();
+        var targetScrollLeft = navEl.scrollLeft + (linkRect.left - navRect.left) - (navRect.width / 2 - linkRect.width / 2);
+        targetScrollLeft = Math.max(0, Math.min(maxScrollLeft, targetScrollLeft));
+
+        $(navEl).stop(true).animate({ scrollLeft: targetScrollLeft }, 220);
+    },
+
    topCategoriesBarScroll: function () {
        if (document.getElementById("cat_nav_items")) {
            let xscroll = document.getElementById("cat_nav_items");