256 lines
11 KiB
JavaScript
256 lines
11 KiB
JavaScript
window.refreshFloatingTools = function() {
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if (typeof window.initFloatingTools !== 'function') return;
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var delays = [0, 60, 180];
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delays.forEach(function(delay) {
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setTimeout(function() {
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requestAnimationFrame(function() {
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try {
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window.initFloatingTools();
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} catch (e) {
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console.error('initFloatingTools error:', e);
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}
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});
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}, delay);
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});
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};
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window.initFloatingTools = function() {
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try {
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// 0. Global Toolbar Visibility (Homepage Check)
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var container = document.querySelector('.floating-tools');
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// Robust Homepage Check:
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// 1. Check for Homepage-specific element (.recent-posts)
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// 2. Ensure NOT on a Post page (.post-content)
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// 3. Fallback: Check pathname (only if DOM check is ambiguous)
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var pjaxContainer = document.getElementById('pjax-container');
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var hasRecentPosts = !!(pjaxContainer && pjaxContainer.querySelector('.recent-posts'));
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var hasArticle = !!(pjaxContainer && (pjaxContainer.querySelector('#post-writing') || pjaxContainer.querySelector('#Comments')));
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var path = window.location.pathname;
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var isHomePage = !hasArticle && (hasRecentPosts || path === '/' || path === '/index.html' || path.startsWith('/page/'));
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if (container) {
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if (isHomePage) {
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container.style.display = 'none';
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} else {
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container.style.display = 'flex';
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container.classList.remove('hidden');
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container.style.visibility = 'visible';
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container.style.opacity = '1';
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container.style.pointerEvents = 'auto';
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}
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}
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// 1. Back to Top (Optimized with IntersectionObserver)
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var backToTopButton = document.getElementById('back-to-top');
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if (backToTopButton) {
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// Clean up old scroll handler if exists (from previous Pjax or version)
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if (window.backToTopScrollHandler) {
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window.removeEventListener('scroll', window.backToTopScrollHandler);
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window.backToTopScrollHandler = null;
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}
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// Create or reuse sentinel for IntersectionObserver
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var sentinelId = 'back-to-top-sentinel';
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var sentinel = document.getElementById(sentinelId);
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if (!sentinel) {
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sentinel = document.createElement('div');
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sentinel.id = sentinelId;
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// Sentinel covers the top 300px. When it exits viewport, we show button.
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sentinel.style.cssText = 'position: absolute; top: 0; left: 0; width: 1px; height: 300px; pointer-events: none; visibility: hidden; z-index: -9999;';
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document.body.appendChild(sentinel);
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}
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if (window.IntersectionObserver) {
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if (window.backToTopObserver) {
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window.backToTopObserver.disconnect();
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}
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window.backToTopObserver = new IntersectionObserver(function(entries) {
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entries.forEach(function(entry) {
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if (!entry.isIntersecting) {
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backToTopButton.classList.add('show');
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} else {
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backToTopButton.classList.remove('show');
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}
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});
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});
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window.backToTopObserver.observe(sentinel);
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} else {
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// Fallback for very old browsers
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var ticking = false;
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var update = function() {
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if (window.scrollY > 300) {
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backToTopButton.classList.add('show');
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} else {
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backToTopButton.classList.remove('show');
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}
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ticking = false;
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};
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window.backToTopScrollHandler = function() {
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if (!ticking) {
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window.requestAnimationFrame(update);
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ticking = true;
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}
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};
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window.addEventListener('scroll', window.backToTopScrollHandler, { passive: true });
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}
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// Re-bind click event
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var newBtn = backToTopButton.cloneNode(true);
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if (backToTopButton.parentNode) {
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backToTopButton.parentNode.replaceChild(newBtn, backToTopButton);
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backToTopButton = newBtn;
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}
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backToTopButton.addEventListener('click', function(e) {
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e.preventDefault();
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window.scrollTo({ top: 0, behavior: 'smooth' });
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});
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}
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// 2. Theme Toggle
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var themeToggle = document.getElementById('theme-toggle');
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if (themeToggle) {
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var newToggle = themeToggle.cloneNode(true);
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if (themeToggle.parentNode) {
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themeToggle.parentNode.replaceChild(newToggle, themeToggle);
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themeToggle = newToggle;
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}
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// Update icon based on current theme
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var updateIcon = function() {
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var currentTheme = document.documentElement.getAttribute('data-theme');
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var icon = themeToggle.querySelector('i');
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if (icon) {
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if (currentTheme === 'dark') {
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icon.className = 'ri-moon-line';
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} else {
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icon.className = 'ri-sun-line';
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}
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}
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};
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updateIcon();
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themeToggle.addEventListener('click', function(e) {
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var currentTheme = document.documentElement.getAttribute('data-theme');
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var newTheme = currentTheme === 'dark' ? 'light' : 'dark';
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if (typeof themeSweep === 'function') {
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var apply = function() {
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document.documentElement.setAttribute('data-theme', newTheme);
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localStorage.setItem('theme', newTheme);
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updateIcon();
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if (window.artalk && typeof window.artalk.setDarkMode === 'function') {
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window.artalk.setDarkMode(newTheme === 'dark');
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}
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if (window.showToast) {
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window.showToast('已切换至 ' + (newTheme === 'dark' ? '深色' : '浅色') + '模式', 'success');
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}
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};
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themeSweep(newTheme, apply);
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} else {
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document.documentElement.setAttribute('data-theme', newTheme);
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localStorage.setItem('theme', newTheme);
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updateIcon();
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if (window.artalk && typeof window.artalk.setDarkMode === 'function') {
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window.artalk.setDarkMode(newTheme === 'dark');
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}
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if (window.showToast) {
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window.showToast('已切换至 ' + (newTheme === 'dark' ? '深色' : '浅色') + '模式', 'success');
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}
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}
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});
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}
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// 3. To Comments
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var toComments = document.getElementById('to-comments');
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if (toComments) {
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// Logic: Only show if comments section exists
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var checkCommentVisibility = function(btn) {
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if (!btn) return;
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var hasComments = document.getElementById('Comments') || document.querySelector('.artalk');
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if (hasComments) {
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btn.style.display = ''; // Show
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} else {
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btn.style.display = 'none'; // Hide
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}
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};
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// Initial check
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// Use setTimeout to avoid initial render flickering
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setTimeout(function() {
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checkCommentVisibility(toComments);
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}, 100);
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var newToComments = toComments.cloneNode(true);
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if (toComments.parentNode) {
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toComments.parentNode.replaceChild(newToComments, toComments);
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toComments = newToComments;
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}
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// Re-run check on new element
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checkCommentVisibility(toComments);
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// Double-check after a delay for PJAX/Async rendering
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setTimeout(function() {
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var currentBtn = document.getElementById('to-comments');
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if (currentBtn) {
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checkCommentVisibility(currentBtn);
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}
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}, 500);
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toComments.addEventListener('click', function(e) {
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e.preventDefault();
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var comments = document.getElementById('Comments') || document.querySelector('.artalk');
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if (comments) {
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var y = comments.getBoundingClientRect().top + window.scrollY - 20;
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window.scrollTo({ top: y, behavior: 'smooth' });
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}
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});
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}
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// 4. Lightbox Observer (ViewImage)
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// Hide floating tools when lightbox is open
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if (window.lightboxObserver) {
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window.lightboxObserver.disconnect();
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}
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if (container && !isHomePage) {
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var lightboxToolsHidden = null;
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var syncLightboxState = function() {
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var lightbox = document.querySelector('.view-image');
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var lightboxOpen = false;
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if (lightbox) {
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var rect = lightbox.getBoundingClientRect();
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var style = window.getComputedStyle(lightbox);
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lightboxOpen = style.display !== 'none' && style.visibility !== 'hidden' && style.opacity !== '0' && rect.width > 0 && rect.height > 0;
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}
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if (lightboxToolsHidden === lightboxOpen) return;
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lightboxToolsHidden = lightboxOpen;
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if (lightboxOpen) {
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container.classList.add('hidden');
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} else {
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container.classList.remove('hidden');
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container.style.display = 'flex';
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container.style.visibility = 'visible';
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container.style.opacity = '1';
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container.style.pointerEvents = 'auto';
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}
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};
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window.lightboxObserver = new MutationObserver(function() {
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requestAnimationFrame(syncLightboxState);
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});
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window.lightboxObserver.observe(document.body, { childList: true, subtree: true });
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syncLightboxState();
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}
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} catch (e) {
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console.error('Error in initFloatingTools:', e);
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}
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};
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