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下载 X (Twitter) 点赞列表中的图片、GIF和视频
// ==UserScript== // @name X Likes 下载器 // @namespace https://github.com/K4F7/x-like-downloader // @version 2.1.27 // @description 下载 X (Twitter) 点赞列表中的图片、GIF和视频 // @author You // @icon https://abs.twimg.com/favicons/twitter.3.ico // @match https://x.com/* // @match https://twitter.com/* // @grant GM_registerMenuCommand // @grant GM_xmlhttpRequest // @grant GM_addStyle // @grant GM_setValue // @grant GM_getValue // @connect pbs.twimg.com // @connect video.twimg.com // @connect abs.twimg.com // @connect * // @require https://unpkg.com/[email protected]/umd/index.js // @license MIT // ==/UserScript== (function() { 'use strict'; const STYLE_TEXT = ` .xld-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.5); z-index: 9998; display: none; } .xld-overlay.active { display: block; } .xld-panel { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 360px; background: #15202b; border-radius: 16px; box-shadow: 0 0 30px rgba(0,0,0,0.5); z-index: 9999; display: none; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; color: #e7e9ea; } .xld-panel.active { display: block; } .xld-header { padding: 16px 20px; border-bottom: 1px solid #38444d; display: flex; justify-content: space-between; align-items: center; } .xld-title { font-size: 18px; font-weight: 700; } .xld-close { width: 32px; height: 32px; border-radius: 50%; border: none; background: transparent; color: #e7e9ea; font-size: 18px; cursor: pointer; display: flex; align-items: center; justify-content: center; } .xld-close:hover { background: rgba(239, 243, 244, 0.1); } .xld-body { padding: 20px; } .xld-section { margin-bottom: 20px; } .xld-label { font-size: 14px; font-weight: 600; margin-bottom: 10px; color: #8b98a5; } .xld-date-input { flex: 1; padding: 10px 12px; background: #273340; border: 1px solid #38444d; border-radius: 8px; color: #e7e9ea; font-size: 14px; } .xld-date-input:focus { outline: none; border-color: #1d9bf0; } .xld-checkbox-group { display: flex; gap: 16px; } .xld-mode-toggle { display: flex; margin-top: 8px; background: #1f2d3a; border: 1px solid #38444d; border-radius: 999px; padding: 4px; gap: 4px; } .xld-mode-btn { flex: 1; border: none; border-radius: 999px; padding: 8px 10px; font-size: 13px; font-weight: 700; color: #8b98a5; background: transparent; cursor: pointer; transition: background 0.2s, color 0.2s; } .xld-mode-btn.is-active { background: #1d9bf0; color: #fff; } .xld-checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 14px; } .xld-checkbox-label input { width: 18px; height: 18px; accent-color: #1d9bf0; } .xld-input-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 10px; } .xld-input-label { font-size: 12px; color: #8b98a5; min-width: 84px; } .xld-input-note { margin-top: 6px; font-size: 12px; color: #8b98a5; } .xld-btn { width: 100%; padding: 12px; border-radius: 9999px; border: none; font-size: 15px; font-weight: 700; cursor: pointer; transition: background 0.2s; } .xld-btn-primary { background: #1d9bf0; color: #fff; } .xld-btn-primary:hover { background: #1a8cd8; } .xld-btn-primary:disabled { background: #1d9bf0; opacity: 0.5; cursor: not-allowed; } .xld-btn-secondary { background: transparent; color: #1d9bf0; border: 1px solid #536471; margin-top: 10px; } .xld-btn-secondary:hover { background: rgba(29, 155, 240, 0.1); } .xld-foreground-warning { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 10000; width: min(420px, 92%); padding: 18px 16px 16px; border-radius: 16px; background: #f4212e; color: #fff; font-size: 15px; font-weight: 700; box-shadow: 0 10px 24px rgba(0,0,0,0.35); display: none; text-align: center; flex-direction: column; align-items: center; gap: 8px; } .xld-foreground-warning.active { display: flex; } .xld-warning-icon { width: 72px; height: 64px; background: #fff; color: #f4212e; clip-path: polygon(50% 0%, 0% 100%, 100% 100%); font-size: 28px; font-weight: 900; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 18px rgba(0,0,0,0.3); flex-shrink: 0; } .xld-warning-icon span { position: relative; top: 6px; } .xld-warning-message { line-height: 1.35; font-size: 14px; } .xld-warning-message span { font-weight: 500; } .xld-warning-status { font-size: 13px; font-weight: 600; opacity: 0.95; } .xld-warning-progress { width: 100%; height: 6px; background: rgba(255,255,255,0.25); border-radius: 999px; overflow: hidden; } .xld-warning-progress-bar { height: 100%; width: 0%; background: #fff; transition: width 0.3s; } .xld-status { margin-top: 16px; padding: 12px; background: #273340; border-radius: 8px; font-size: 13px; text-align: center; display: none; } .xld-status.active { display: block; } .xld-progress { margin-top: 8px; height: 4px; background: #38444d; border-radius: 2px; overflow: hidden; } .xld-progress-bar { height: 100%; background: #1d9bf0; width: 0%; transition: width 0.3s; } .xld-marker-info { padding: 12px; background: #273340; border: 1px solid #38444d; border-radius: 8px; font-size: 13px; color: #e7e9ea; display: flex; align-items: center; gap: 12px; } .xld-marker-thumb { width: 48px; height: 48px; border-radius: 6px; object-fit: cover; flex-shrink: 0; } .xld-marker-text { flex: 1; overflow: hidden; } .xld-marker-title { font-size: 13px; color: #e7e9ea; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 4px; } .xld-marker-id { font-size: 11px; color: #8b98a5; } .xld-marker-empty { color: #8b98a5; } .xld-marker-hint { margin-top: 8px; font-size: 12px; color: #8b98a5; } .xld-fallback-wrap { margin-top: 12px; padding-top: 10px; border-top: 1px dashed #38444d; } .xld-fallback-label { font-size: 12px; color: #f6c343; font-weight: 700; margin-bottom: 6px; } .xld-marker-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; } .xld-marker-actions { display: flex; gap: 8px; } .xld-btn-small { padding: 4px 10px; font-size: 12px; border-radius: 9999px; border: 1px solid #536471; background: transparent; color: #8b98a5; cursor: pointer; transition: all 0.2s; } .xld-btn-small:hover { background: rgba(239, 243, 244, 0.1); color: #e7e9ea; } .xld-btn-danger:hover { border-color: #f4212e; color: #f4212e; } .xld-btn-group { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; } .xld-select-mode-bar { position: fixed; top: 0; left: 0; right: 0; background: #1d9bf0; color: #fff; padding: 12px 20px; display: flex; justify-content: space-between; align-items: center; z-index: 10000; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; box-shadow: 0 2px 10px rgba(0,0,0,0.3); } .xld-select-mode-bar span { font-size: 14px; font-weight: 500; } .xld-select-mode-bar button { padding: 6px 16px; border-radius: 9999px; border: none; background: rgba(255,255,255,0.2); color: #fff; font-size: 13px; cursor: pointer; } .xld-select-mode-bar button:hover { background: rgba(255,255,255,0.3); } .xld-tweet-selectable { cursor: pointer !important; transition: outline 0.2s; } .xld-tweet-selectable:hover { outline: 3px solid #1d9bf0; outline-offset: -3px; } .xld-init-notice { padding: 12px; background: rgba(29, 155, 240, 0.1); border: 1px solid rgba(29, 155, 240, 0.3); border-radius: 8px; font-size: 13px; color: #8b98a5; margin-bottom: 12px; line-height: 1.5; } `; const PANEL_HTML = ` <div class="xld-header"> <span class="xld-title">X Likes 下载器</span> <button class="xld-close">✕</button> </div> <div class="xld-body"> <div class="xld-section xld-full-only" id="xld-resume-section"> <div class="xld-marker-header"> <div class="xld-label" style="margin-bottom:0">续传点</div> <div class="xld-marker-actions" id="xld-resume-actions"> <button class="xld-btn-small" id="xld-select-resume-btn">选择</button> <button class="xld-btn-small" id="xld-clear-resume-btn">清除</button> </div> </div> <div class="xld-marker-info" id="xld-resume-info"> <span class="xld-marker-empty">未设置续传点</span> </div> <div class="xld-fallback-wrap" id="xld-fallback-wrap" style="display:none"> <div class="xld-fallback-label">自动回退锚点</div> <div class="xld-marker-info" id="xld-fallback-info"></div> </div> </div> <div class="xld-section xld-marker-only"> <div class="xld-marker-header"> <div class="xld-label" style="margin-bottom:0">标记点</div> <div class="xld-marker-actions" id="xld-marker-actions" style="display:none"> <button class="xld-btn-small" id="xld-select-marker-btn">选择</button> <button class="xld-btn-small xld-btn-danger" id="xld-clear-marker-btn">清除</button> </div> </div> <div class="xld-marker-info" id="xld-marker-info"> <span class="xld-marker-empty">未设置标记点</span> </div> <div class="xld-marker-hint">扫描到标记点会自动停止，只下载新内容</div> </div> <div class="xld-section"> <div class="xld-label">下载模式</div> <div class="xld-mode-toggle" id="xld-mode-toggle"> <button type="button" class="xld-mode-btn" data-mode="marker" aria-pressed="true">标记点</button> <button type="button" class="xld-mode-btn" data-mode="full" aria-pressed="false">全量下载</button> </div> <div class="xld-input-row xld-full-only"> <span class="xld-input-label">单次上限</span> <input type="number" id="xld-download-limit" class="xld-date-input" min="1" step="1"> </div> <div class="xld-input-note xld-full-only">建议 200 个媒体/次，可自行调整</div> <div class="xld-input-row xld-full-only"> <label class="xld-checkbox-label"> <input type="checkbox" id="xld-safe-mode"> 安全模式（慢速定位） </label> </div> <div class="xld-input-row"> <label class="xld-checkbox-label"> <input type="checkbox" id="xld-auto-pause"> 后台自动暂停 </label> </div> </div> <div class="xld-section" id="xld-init-section" style="display:none"> <div class="xld-init-notice">首次使用，请先设置标记点。这会记住当前位置，之后只下载新点赞的内容。</div> <button class="xld-btn xld-btn-primary" id="xld-init-btn">自动设置（第一条）</button> <button class="xld-btn xld-btn-secondary" id="xld-init-select-btn">手动选择推文</button> </div> <div class="xld-section"> <div class="xld-label">下载类型</div> <div class="xld-checkbox-group"> <label class="xld-checkbox-label"> <input type="checkbox" id="xld-type-image" checked> 图片 </label> <label class="xld-checkbox-label"> <input type="checkbox" id="xld-type-gif" checked> GIF </label> <label class="xld-checkbox-label"> <input type="checkbox" id="xld-type-video"> 视频 </label> </div> </div> <div class="xld-btn-group"> <button class="xld-btn xld-btn-primary" id="xld-scan-btn">开始扫描</button> <button class="xld-btn xld-btn-primary" id="xld-download-btn" style="display:none">下载全部</button> </div> <div class="xld-status" id="xld-status"> <span id="xld-status-text">准备就绪</span> <div class="xld-progress"> <div class="xld-progress-bar" id="xld-progress-bar"></div> </div> </div> </div> `.trim(); const WARNING_HTML = ` <div class="xld-warning-icon"><span>!</span></div> <div class="xld-warning-message"></div> <div class="xld-warning-status"></div> <div class="xld-warning-progress"> <div class="xld-warning-progress-bar"></div> </div> `.trim(); GM_addStyle(STYLE_TEXT); const RESUME_ANCHOR_COUNT = 10; const ANCHOR_SEARCH_COUNT = 30; let isScanning = false; let collectedMedia = []; let lastScanMode = 'marker'; let lastScanStopReason = null; let pendingResumeSnapshot = null; let isDownloading = false; let foregroundWarningEl = null; let lastStatusText = '准备就绪'; let lastProgressValue = null; const SETTING_DEFS = { downloadLimit: { id: 'xld-download-limit', key: 'downloadLimit', defaultValue: 200, type: 'number', validate: value => value > 0 }, safeMode: { id: 'xld-safe-mode', key: 'safeMode', defaultValue: false, type: 'boolean' }, autoPause: { id: 'xld-auto-pause', key: 'autoPause', defaultValue: true, type: 'boolean' }, preloadBuffer: { id: 'xld-preload-buffer', key: 'preloadBuffer', defaultValue: 50, type: 'number', validate: value => value >= 0 } }; function normalizeNumberSetting(def, value) { const parsed = Number.isFinite(value) ? value : parseInt(value, 10); if (Number.isFinite(parsed) && (!def.validate || def.validate(parsed))) { return parsed; } return def.defaultValue; } function getSetting(def) { if (!def) return null; const input = def.id ? document.getElementById(def.id) : null; if (def.type === 'number') { const value = input ? parseInt(input.value, 10) : GM_getValue(def.key, def.defaultValue); return normalizeNumberSetting(def, value); } if (input) return !!input.checked; return GM_getValue(def.key, def.defaultValue); } function getAutoPause() { return getSetting(SETTING_DEFS.autoPause); } function bindSetting(panel, def) { if (!def || !def.id || !panel) return; const input = panel.querySelector(`#${def.id}`); if (!input) return; if (def.type === 'number') { const savedValue = GM_getValue(def.key, def.defaultValue); const normalized = normalizeNumberSetting(def, savedValue); input.value = normalized; input.addEventListener('change', () => { const value = parseInt(input.value, 10); const nextValue = normalizeNumberSetting(def, value); input.value = nextValue; GM_setValue(def.key, nextValue); }); return; } input.checked = !!GM_getValue(def.key, def.defaultValue); input.addEventListener('change', () => { GM_setValue(def.key, input.checked); }); } function bindSettings(panel) { Object.values(SETTING_DEFS).forEach(def => bindSetting(panel, def)); } function createPanel() { const overlay = document.createElement('div'); overlay.className = 'xld-overlay'; overlay.addEventListener('click', closePanel); const panel = document.createElement('div'); panel.className = 'xld-panel'; panel.innerHTML = PANEL_HTML; document.body.appendChild(overlay); document.body.appendChild(panel); [ ['.xld-close', closePanel], ['#xld-scan-btn', startScan], ['#xld-download-btn', downloadAll], ['#xld-clear-marker-btn', clearMarker], ['#xld-init-btn', initMarker], ['#xld-init-select-btn', () => enterSelectMode('marker')], ['#xld-select-marker-btn', () => enterSelectMode('marker')], ['#xld-select-resume-btn', () => enterSelectMode('resume')], ['#xld-clear-resume-btn', clearResumePoint] ].forEach(([selector, handler]) => { const target = panel.querySelector(selector); if (target) target.addEventListener('click', handler); }); const modeButtons = panel.querySelectorAll('.xld-mode-btn'); modeButtons.forEach(button => { button.addEventListener('click', () => { const mode = button.dataset.mode || 'marker'; GM_setValue('downloadMode', mode); updateModeDisplay(); }); }); const savedMode = GM_getValue('downloadMode', 'marker'); updateModeToggle(savedMode); bindSettings(panel); updateModeDisplay(); return { overlay, panel }; } let panelElements = null; function openPanel() { if (!panelElements) { panelElements = createPanel(); } panelElements.overlay.classList.add('active'); panelElements.panel.classList.add('active'); } document.addEventListener('visibilitychange', () => { updateForegroundWarning(); }); function closePanel() { if (panelElements) { panelElements.overlay.classList.remove('active'); panelElements.panel.classList.remove('active'); } } function ensureForegroundWarning() { if (foregroundWarningEl) return; foregroundWarningEl = document.createElement('div'); foregroundWarningEl.className = 'xld-foreground-warning'; document.body.appendChild(foregroundWarningEl); } function showForegroundWarning(message) { ensureForegroundWarning(); if (!foregroundWarningEl.dataset.ready) { foregroundWarningEl.innerHTML = WARNING_HTML; foregroundWarningEl.dataset.ready = 'true'; } const messageEl = foregroundWarningEl.querySelector('.xld-warning-message'); if (messageEl) messageEl.innerHTML = message; const statusEl = foregroundWarningEl.querySelector('.xld-warning-status'); if (statusEl) { const text = lastStatusText || ''; statusEl.textContent = text; statusEl.style.display = text ? 'block' : 'none'; } const progressWrap = foregroundWarningEl.querySelector('.xld-warning-progress'); const progressBar = foregroundWarningEl.querySelector('.xld-warning-progress-bar'); if (progressWrap && progressBar) { if (typeof lastProgressValue === 'number') { const normalized = Math.max(0, Math.min(lastProgressValue, 100)); progressWrap.style.display = 'block'; progressBar.style.width = `${normalized}%`; } else { progressWrap.style.display = 'none'; progressBar.style.width = '0%'; } } foregroundWarningEl.classList.add('active'); } function hideForegroundWarning() { if (foregroundWarningEl) { foregroundWarningEl.classList.remove('active'); } } function updateForegroundWarning() { if (!isScanning && !isDownloading) { hideForegroundWarning(); return; } if (document.hidden) { showForegroundWarning('当前标签页在后台，已暂停。<span>请切回前台继续，建议单独拉出窗口。</span>'); return; } showForegroundWarning('请保持当前标签页在前台以保证扫描和下载正常进行。<span>建议单独拉出窗口。</span>'); } function getDownloadMode() { return GM_getValue('downloadMode', 'marker'); } function buildMarkerInfoHtml(options) { const displayText = options.displayText || '(无文字内容)'; const titleText = options.titleText || ''; const shortId = options.id ? `${options.id.substring(0, 8)}...` : ''; const thumbHtml = options.thumbnail ? `<img class="xld-marker-thumb" src="${options.thumbnail}" alt="缩略图">` : ''; return ` ${thumbHtml} <div class="xld-marker-text"> <div class="xld-marker-title" title="${titleText}">${displayText}</div> <div class="xld-marker-id">ID: ${shortId}</div> </div> `.trim(); } function updateResumeDisplay() { const resumeInfo = document.getElementById('xld-resume-info'); const clearBtn = document.getElementById('xld-clear-resume-btn'); if (!resumeInfo) return; const mode = getDownloadMode(); if (mode !== 'full') { return; } const savedSnapshot = GM_getValue('fullResumeSnapshot', null); const savedResume = savedSnapshot?.resumePoint || GM_getValue('fullResumePoint', null); if (savedResume && savedResume.id) { resumeInfo.innerHTML = buildMarkerInfoHtml({ id: savedResume.id, displayText: savedResume.text || '(无文字内容)', titleText: savedResume.text || '', thumbnail: savedResume.thumbnail || '' }); if (clearBtn) clearBtn.disabled = false; } else { resumeInfo.innerHTML = `<span class="xld-marker-empty">未设置续传点</span>`; if (clearBtn) clearBtn.disabled = true; } } function clearFallbackAnchorDisplay() { const wrap = document.getElementById('xld-fallback-wrap'); const info = document.getElementById('xld-fallback-info'); if (info) info.innerHTML = ''; if (wrap) wrap.style.display = 'none'; } function updateFallbackAnchorDisplay(anchorInfo) { const wrap = document.getElementById('xld-fallback-wrap'); const info = document.getElementById('xld-fallback-info'); if (!wrap || !info) return; if (!anchorInfo || !anchorInfo.id) { clearFallbackAnchorDisplay(); return; } const rawText = anchorInfo.text || anchorInfo.fullText || '(无文字内容)'; const displayText = rawText.length > 50 ? `${rawText.substring(0, 50)}...` : rawText; info.innerHTML = buildMarkerInfoHtml({ id: anchorInfo.id, displayText: displayText, titleText: rawText, thumbnail: anchorInfo.thumbnail || '' }); wrap.style.display = 'block'; } function updateModeDisplay() { const mode = GM_getValue('downloadMode', 'marker'); updateModeToggle(mode); updateModeVisibility(mode); updateMarkerDisplay(); updateResumeDisplay(); } function updateModeToggle(mode) { const buttons = document.querySelectorAll('.xld-mode-btn'); if (!buttons.length) return; buttons.forEach(button => { const active = button.dataset.mode === mode; button.classList.toggle('is-active', active); button.setAttribute('aria-pressed', active ? 'true' : 'false'); }); } function updateModeVisibility(mode) { const isFull = mode === 'full'; const elements = document.querySelectorAll('.xld-full-only'); elements.forEach(element => { element.style.display = isFull ? '' : 'none'; }); const markerElements = document.querySelectorAll('.xld-marker-only'); markerElements.forEach(element => { element.style.display = isFull ? 'none' : ''; }); } function updateMarkerDisplay() { const markerInfo = document.getElementById('xld-marker-info'); const markerActions = document.getElementById('xld-marker-actions'); const initSection = document.getElementById('xld-init-section'); const scanBtn = document.getElementById('xld-scan-btn'); const savedMarker = GM_getValue('markerTweetId', null); const mode = getDownloadMode(); const isMarkerMode = mode === 'marker'; if (savedMarker && savedMarker.id) { markerInfo.innerHTML = buildMarkerInfoHtml({ id: savedMarker.id, displayText: savedMarker.text || '(无文字内容)', titleText: savedMarker.text || '', thumbnail: isMarkerMode && savedMarker.thumbnail ? savedMarker.thumbnail : '' }); if (markerActions) markerActions.style.display = 'flex'; if (initSection) initSection.style.display = 'none'; if (scanBtn) scanBtn.style.display = 'block'; } else { markerInfo.innerHTML = `<span class="xld-marker-empty">未设置标记点</span>`; if (markerActions) markerActions.style.display = 'none'; if (initSection) initSection.style.display = isMarkerMode ? 'block' : 'none'; if (scanBtn) scanBtn.style.display = isMarkerMode ? 'none' : 'block'; } } function clearMarker() { if (confirm('确定要清除标记点吗？需要重新设置才能使用。')) { GM_setValue('markerTweetId', null); updateMarkerDisplay(); updateStatus('标记点已清除'); } } function clearResumePoint() { if (!confirm('确定要清除续传点吗？此操作会让全量下载从头开始。')) { return; } const confirmText = prompt('请输入“清除”以确认继续：'); if (confirmText !== '清除') { updateStatus('已取消清除续传点'); return; } if (!confirm('最后确认：是否清除续传点？')) { updateStatus('已取消清除续传点'); return; } GM_setValue('fullResumePoint', null); GM_setValue('fullResumeSnapshot', null); updateResumeDisplay(); clearFallbackAnchorDisplay(); updateStatus('续传点已清除'); } let isSelectMode = false; let selectModeBar = null; let selectModeTarget = 'marker'; function ensureLikesPage(options) { const currentUrl = window.location.href; if (currentUrl.includes('/likes')) return true; const username = getCurrentUsername(); if (username) { if (options?.onNeedLikesPage) { options.onNeedLikesPage(username); } else { window.location.href = `https://x.com/${username}/likes`; } } else if (options?.onLoginRequired) { options.onLoginRequired(); } return false; } function buildSelectModeBarHtml(targetLabel) { return ` <span>点击任意推文将其设为${targetLabel}</span> <button id="xld-cancel-select">取消</button> `.trim(); } function enterSelectMode(target = 'marker') { const targetLabel = target === 'resume' ? '续传点' : '标记点'; if (!ensureLikesPage({ onNeedLikesPage: (username) => { alert(`请先打开你的 Likes 页面，然后再选择${targetLabel}`); window.location.href = `https://x.com/${username}/likes`; }, onLoginRequired: () => { alert('请先登录'); } })) { return; } isSelectMode = true; selectModeTarget = target; closePanel(); selectModeBar = document.createElement('div'); selectModeBar.className = 'xld-select-mode-bar'; selectModeBar.innerHTML = buildSelectModeBarHtml(targetLabel); document.body.appendChild(selectModeBar); selectModeBar.querySelector('#xld-cancel-select').addEventListener('click', exitSelectMode); toggleSelectableTweets(document, true); startTweetObserver(); } function exitSelectMode() { isSelectMode = false; if (selectModeBar) { selectModeBar.remove(); selectModeBar = null; } toggleSelectableTweets(document, false); stopTweetObserver(); openPanel(); } function handleTweetSelect(event) { if (!isSelectMode) return; event.preventDefault(); event.stopPropagation(); const tweet = event.currentTarget; const selectedData = extractTweetInfo(tweet); if (selectedData.id) { if (selectModeTarget === 'resume') { const snapshot = buildResumeSnapshot(tweet); GM_setValue('fullResumePoint', selectedData); GM_setValue('fullResumeSnapshot', snapshot); exitSelectMode(); updateResumeDisplay(); clearFallbackAnchorDisplay(); updateStatus('续传点已设置'); } else { GM_setValue('markerTweetId', selectedData); exitSelectMode(); updateMarkerDisplay(); updateStatus('标记点已设置'); } } else { alert('无法获取该推文的ID，请选择其他推文'); } } let tweetObserver = null; function toggleTweetSelectable(tweet, enabled) { if (!tweet) return; if (enabled) { if (tweet.classList.contains('xld-tweet-selectable')) return; tweet.classList.add('xld-tweet-selectable'); tweet.addEventListener('click', handleTweetSelect, true); } else if (tweet.classList.contains('xld-tweet-selectable')) { tweet.classList.remove('xld-tweet-selectable'); tweet.removeEventListener('click', handleTweetSelect, true); } } function toggleSelectableTweets(root, enabled) { if (!root) return; const tweets = root.querySelectorAll ? root.querySelectorAll('[data-testid="tweet"]') : []; tweets.forEach(tweet => toggleTweetSelectable(tweet, enabled)); if (root.matches && root.matches('[data-testid="tweet"]')) { toggleTweetSelectable(root, enabled); } } function startTweetObserver() { tweetObserver = new MutationObserver((mutations) => { if (!isSelectMode) return; mutations.forEach(mutation => { mutation.addedNodes.forEach(node => { if (node.nodeType === 1) { toggleSelectableTweets(node, true); } }); }); }); tweetObserver.observe(document.body, { childList: true, subtree: true }); } function stopTweetObserver() { if (tweetObserver) { tweetObserver.disconnect(); tweetObserver = null; } } async function initMarker() { const initBtn = document.getElementById('xld-init-btn'); initBtn.disabled = true; initBtn.textContent = '正在初始化...'; if (!ensureLikesPage({ onNeedLikesPage: (username) => { updateStatus('请先打开你的 Likes 页面'); initBtn.disabled = false; initBtn.textContent = '初始化标记点'; window.location.href = `https://x.com/${username}/likes`; }, onLoginRequired: () => { updateStatus('请先登录'); initBtn.disabled = false; initBtn.textContent = '初始化标记点'; } })) { return; } await sleep(1000); const tweets = document.querySelectorAll('[data-testid="tweet"]'); if (tweets.length > 0) { const firstTweet = tweets[0]; const markerData = extractTweetInfo(firstTweet); if (markerData.id) { GM_setValue('markerTweetId', markerData); updateMarkerDisplay(); updateStatus('初始化成功！标记点已设置，现在可以开始扫描'); } else { updateStatus('无法获取推文ID，请刷新页面重试'); } } else { updateStatus('未找到推文，请确保页面已加载完成'); } initBtn.disabled = false; initBtn.textContent = '初始化标记点'; } function collectTweetMeta(tweet) { const id = extractTweetId(tweet); let authorName = ''; const userNameEl = tweet.querySelector('[data-testid="User-Name"]'); if (userNameEl) { const nameSpan = userNameEl.querySelector('a span'); if (nameSpan) { authorName = nameSpan.textContent.trim(); } } let fullText = ''; const tweetTextEl = tweet.querySelector('[data-testid="tweetText"]'); if (tweetTextEl) { fullText = tweetTextEl.textContent.trim(); } let thumbnail = ''; let mediaId = ''; const img = tweet.querySelector('[data-testid="tweetPhoto"] img'); if (img && img.src) { thumbnail = img.src.replace(/&name=\w+/, '&name=small'); const mediaMatch = img.src.match(/\/media\/([A-Za-z0-9_-]+)/); if (mediaMatch) { mediaId = mediaMatch[1]; } } let authorUsername = ''; const authorLink = tweet.querySelector('a[href^="/"][role="link"]'); if (authorLink) { const usernameMatch = authorLink.href.match(/x\.com\/([^\/]+)/); if (usernameMatch) { authorUsername = usernameMatch[1]; } } return { id, fullText, thumbnail, mediaId, authorName, authorUsername }; } function extractTweetInfo(tweet) { const meta = collectTweetMeta(tweet); let fullText = meta.fullText || ''; let text = fullText; if (text.length > 50) { text = text.substring(0, 50) + '...'; } if (!text && meta.authorName) { text = `@${meta.authorName} 的推文`; fullText = text; } return { id: meta.id, text, fullText, thumbnail: meta.thumbnail, mediaId: meta.mediaId, authorName: meta.authorName }; } function updateStatus(text, progress = null) { const statusDiv = document.getElementById('xld-status'); const statusText = document.getElementById('xld-status-text'); const progressBar = document.getElementById('xld-progress-bar'); statusDiv.classList.add('active'); statusText.textContent = text; lastStatusText = text; if (progress !== null) { progressBar.style.width = `${progress}%`; lastProgressValue = progress; } if (isScanning || isDownloading) { updateForegroundWarning(); } } function getSelectedTypes() { return { image: document.getElementById('xld-type-image').checked, gif: document.getElementById('xld-type-gif').checked, video: document.getElementById('xld-type-video').checked }; } let firstTweetInfo = null; async function startScan() { if (isScanning) return; if (!ensureLikesPage({ onNeedLikesPage: (username) => { updateStatus('正在跳转到 Likes 页面...'); window.location.href = `https://x.com/${username}/likes`; }, onLoginRequired: () => { updateStatus('请先登录或手动打开 Likes 页面'); } })) { return; } const mode = getDownloadMode(); const types = getSelectedTypes(); const limit = mode === 'full' ? getSetting(SETTING_DEFS.downloadLimit) : Infinity; const scanOptions = { mode, limit, safetyMode: getSetting(SETTING_DEFS.safeMode), autoPause: getSetting(SETTING_DEFS.autoPause), preloadBuffer: getSetting(SETTING_DEFS.preloadBuffer) }; let statusText = '开始扫描...'; if (mode === 'marker') { const savedMarker = GM_getValue('markerTweetId', null); if (!savedMarker || !savedMarker.id) { updateStatus('请先设置标记点'); return; } scanOptions.savedMarker = savedMarker; statusText = '开始扫描（到标记点停止）...'; } else { const resumeSnapshot = GM_getValue('fullResumeSnapshot', null); const resumePoint = resumeSnapshot?.resumePoint || GM_getValue('fullResumePoint', null); scanOptions.resumePoint = resumePoint; scanOptions.anchors = resumeSnapshot?.anchors || null; statusText = resumePoint ? '开始扫描（从上次进度继续）...' : '开始扫描（全量下载）...'; } isScanning = true; lastScanMode = mode; lastScanStopReason = null; pendingResumeSnapshot = null; clearFallbackAnchorDisplay(); collectedMedia = []; firstTweetInfo = null; const scanBtn = document.getElementById('xld-scan-btn'); const downloadBtn = document.getElementById('xld-download-btn'); scanBtn.disabled = true; scanBtn.textContent = '扫描中...'; downloadBtn.style.display = 'none'; if (mode === 'marker') { updateStatus('正在回到页面顶部...', 0); await ensureTopBeforeTask(scanOptions.autoPause); } updateStatus(statusText, 0); updateForegroundWarning(); try { const scanResult = await scanLikes(types, scanOptions); lastScanStopReason = scanResult.stopReason; pendingResumeSnapshot = scanResult.resumeSnapshot || null; let completionMsg = ''; if (scanResult.stopReason === 'marker') { completionMsg = `扫描完成！找到 ${collectedMedia.length} 个新文件（已到达标记点）`; } else if (scanResult.stopReason === 'limit' && mode === 'full') { completionMsg = `扫描完成！已达到单次上限（${limit} 个媒体）`; } else if (scanResult.stopReason === 'resume-missing') { completionMsg = '未找到续传点，请清除续传点后重试'; if (mode === 'full') { GM_setValue('fullResumePoint', null); GM_setValue('fullResumeSnapshot', null); updateResumeDisplay(); } } else { completionMsg = `扫描完成！找到 ${collectedMedia.length} 个文件`; } if (scanResult.fallbackUsed) { completionMsg += '（续传点未找到，已使用锚点继续下载，可能有少量重复）'; } updateStatus(completionMsg, 100); if (collectedMedia.length > 0) { downloadBtn.style.display = 'block'; downloadBtn.textContent = `下载全部 (${collectedMedia.length} 个文件)`; } else { const emptyMsg = mode === 'full' ? '没有找到可下载的媒体文件' : '没有找到新的媒体文件'; updateStatus(emptyMsg, 100); } } catch (error) { updateStatus(`扫描出错: ${error.message}`, 0); console.error('扫描错误:', error); } isScanning = false; scanBtn.disabled = false; scanBtn.textContent = '重新扫描'; updateForegroundWarning(); } function getCurrentUsername() { const accountSwitcher = document.querySelector('[data-testid="SideNav_AccountSwitcher_Button"]'); if (accountSwitcher) { const spans = accountSwitcher.querySelectorAll('span'); for (const span of spans) { if (span.textContent.startsWith('@')) { return span.textContent.slice(1); } } } return null; } async function scanLikes(types, options) { const seenUrls = new Set(); const seenTweetIds = new Set(); const seekSeenTweetIds = new Set(); let noNewContentCount = 0; let reachedMarker = false; let reachedLimit = false; let totalScanned = 0; let lastSeenCount = 0; const mode = options?.mode || 'marker'; const savedMarker = options?.savedMarker || null; const resumePoint = options?.resumePoint || null; const anchors = options?.anchors || null; const limit = Number.isFinite(options?.limit) && options.limit > 0 ? options.limit : Infinity; const safetyMode = !!options?.safetyMode; const autoPause = !!options?.autoPause; const preloadBuffer = Number.isFinite(options?.preloadBuffer) && options.preloadBuffer >= 0 ? options.preloadBuffer : 50; const anchorSearchCount = Number.isFinite(options?.anchorSearchCount) && options.anchorSearchCount > 0 ? options.anchorSearchCount : ANCHOR_SEARCH_COUNT; let resumeFound = !resumePoint; let resumeSkipId = null; let fallbackUsed = false; let seekStatusShown = false; let limitResumeSnapshot = null; let seekMode = resumePoint ? (safetyMode ? 'lock' : 'fast') : 'none'; let lockNoticeShown = false; let anchorSearchAttempted = false; let anchorSearchQueued = null; let anchorMissingAttempts = 0; let slowSeekNoticeShown = false; const anchorMissingMaxAttempts = 2; function applyAnchorSearchResult(anchorResult, allowRetryOnNoResult) { if (anchorResult?.anchorMissing) { anchorMissingAttempts++; seekMode = 'lock'; if (!slowSeekNoticeShown) { updateStatus('未找到锚点，改为慢扫定位续传点...', null); slowSeekNoticeShown = true; } if (anchorMissingAttempts <= anchorMissingMaxAttempts) { noNewContentCount = 0; lastSeenCount = seenTweetIds.size; } } if (anchorResult?.found || anchorResult?.fallback) { resumeFound = true; fallbackUsed = fallbackUsed || !!anchorResult.fallback; if (anchorResult.fallback) { if (anchorResult.anchorInfo) { updateFallbackAnchorDisplay(anchorResult.anchorInfo); } updateStatus('续传点未出现，已自动回退到锚点（见上方缩略图），建议点击“选择”手动指定续传点', null); } else { updateStatus('已在锚点附近找到续传点，开始下载...', null); } if (anchorResult.found && resumePoint?.id) { resumeSkipId = resumePoint.id; } noNewContentCount = 0; lastSeenCount = seenTweetIds.size; return true; } if (!anchorResult?.anchorMissing && allowRetryOnNoResult) { anchorSearchAttempted = false; } return false; } const preloadTarget = mode === 'full' && !resumePoint && Number.isFinite(limit) && limit > 0 ? limit + preloadBuffer : 0; if (preloadTarget > 0) { await preloadWindowBeforeScan(preloadTarget, autoPause); } while (noNewContentCount < 8 && !reachedMarker && !reachedLimit) { await waitForForegroundIfNeeded(autoPause); const tweets = document.querySelectorAll('[data-testid="tweet"]'); for (const tweet of tweets) { await waitForForegroundIfNeeded(autoPause); const tweetId = extractTweetId(tweet); const anchorMatch = anchors ? matchAnchorTweet(tweet, anchors) : null; if (mode === 'marker' && savedMarker) { const isMarker = isMarkerTweet(tweet, savedMarker); if (isMarker) { if (isMarkerReached(tweet)) { console.log('[XLD] ✓✓✓ 找到标记点！停止扫描 ✓✓✓'); reachedMarker = true; } break; } } const seekingNow = mode === 'full' && resumePoint && !resumeFound; const seenSet = seekingNow ? seekSeenTweetIds : seenTweetIds; if (tweetId) { if (seenSet.has(tweetId)) continue; seenSet.add(tweetId); totalScanned++; } else if (seekingNow) { totalScanned++; } else { continue; } if (mode === 'full' && !resumeFound) { if (!seekStatusShown) { updateStatus('正在定位续传点...', null); seekStatusShown = true; } if (seekMode === 'fast' && anchorMatch?.side) { seekMode = 'lock'; if (!lockNoticeShown) { updateStatus('已定位到快照区间，正在精确定位续传点...', null); lockNoticeShown = true; } } if (anchorMatch?.side === 'after' && anchors && !anchorSearchAttempted) { anchorSearchAttempted = true; anchorSearchQueued = anchorMatch; break; } if (isResumeTweet(tweet, resumePoint)) { resumeFound = true; updateStatus('已定位续传点，开始下载...', null); continue; } if (totalScanned % 30 === 0) { updateStatus(`正在定位续传点... 已扫描 ${totalScanned} 条`, null); } continue; } if (!firstTweetInfo) { firstTweetInfo = extractTweetInfo(tweet); } if (resumeSkipId && resumePoint) { if (isResumeTweet(tweet, resumePoint)) { resumeSkipId = null; } continue; } const mediaItems = await extractMediaWithApiFallback(tweet, types); for (const item of mediaItems) { if (!seenUrls.has(item.url)) { seenUrls.add(item.url); collectedMedia.push(item); } } if (collectedMedia.length >= limit) { reachedLimit = true; if (mode === 'full') { limitResumeSnapshot = buildResumeSnapshot(tweet); } break; } updateStatus(`已扫描 ${totalScanned} 条推文，找到 ${collectedMedia.length} 个文件...`, null); } if (anchorSearchQueued && mode === 'full' && resumePoint && !resumeFound && anchors) { const anchorResult = await searchResumeAroundAnchors( resumePoint, anchors, autoPause, anchorSearchCount, anchorSearchQueued.side ); anchorSearchQueued = null; if (applyAnchorSearchResult(anchorResult, true)) { continue; } } if (reachedMarker || reachedLimit) break; const seeking = mode === 'full' && resumePoint && !resumeFound; const fastSeeking = seeking && seekMode === 'fast' && !safetyMode; const slowSeeking = seeking && !fastSeeking; const scrollStep = fastSeeking ? window.innerHeight * 2.2 : slowSeeking ? window.innerHeight * 0.6 : window.innerHeight * 0.8; const delayMs = fastSeeking ? 200 : slowSeeking ? 900 : 800; await waitForForegroundIfNeeded(autoPause); window.scrollBy(0, scrollStep); await sleep(delayMs); const currentSeenCount = (mode === 'full' && resumePoint && !resumeFound) ? seekSeenTweetIds.size : seenTweetIds.size; if (currentSeenCount === lastSeenCount) { noNewContentCount++; } else { noNewContentCount = 0; } lastSeenCount = currentSeenCount; if (mode === 'full' && resumePoint && !resumeFound && anchors && !anchorSearchAttempted && noNewContentCount >= 8) { anchorSearchAttempted = true; const anchorResult = await searchResumeAroundAnchors(resumePoint, anchors, autoPause, anchorSearchCount, null); applyAnchorSearchResult(anchorResult, false); } } if (mode === 'full' && resumePoint && !resumeFound) { return { stopReason: 'resume-missing', resumePoint: null, resumeSnapshot: null, fallbackUsed }; } if (reachedMarker) return { stopReason: 'marker', resumePoint: null, fallbackUsed }; if (reachedLimit) return { stopReason: 'limit', resumePoint: null, resumeSnapshot: limitResumeSnapshot, fallbackUsed }; return { stopReason: 'end', resumePoint: null, resumeSnapshot: null, fallbackUsed }; } async function preloadWindowBeforeScan(targetCount, autoPause) { if (!Number.isFinite(targetCount) || targetCount <= 0) return; const startTweet = document.querySelector('[data-testid="tweet"]'); const startPoint = startTweet ? extractTweetInfo(startTweet) : null; const seen = new Set(); let lastSeenCount = 0; let noNewCount = 0; updateStatus(`预加载窗口中... 0/${targetCount} 条`, null); while (seen.size < targetCount && noNewCount < 6) { await waitForForegroundIfNeeded(autoPause); const tweets = document.querySelectorAll('[data-testid="tweet"]'); for (const tweet of tweets) { const id = extractTweetId(tweet); if (id) seen.add(id); } const currentCount = seen.size; if (currentCount === lastSeenCount) { noNewCount++; } else { noNewCount = 0; } lastSeenCount = currentCount; updateStatus(`预加载窗口中... ${Math.min(currentCount, targetCount)}/${targetCount} 条`, null); await waitForForegroundIfNeeded(autoPause); window.scrollBy(0, window.innerHeight * 2.6); await sleep(220); } updateStatus('预加载完成，正在回到起始位置...', null); let returned = false; if (startPoint && startPoint.id) { returned = await scrollToSavedPoint(startPoint, autoPause); } if (!returned) { window.scrollTo(0, 0); await sleep(600); } } async function scrollToSavedPoint(savedPoint, autoPause) { if (!savedPoint || !savedPoint.id) return false; const maxAttempts = 24; for (let attempt = 0; attempt < maxAttempts; attempt++) { await waitForForegroundIfNeeded(autoPause); const tweets = document.querySelectorAll('[data-testid="tweet"]'); for (const tweet of tweets) { if (isMatchTweet(tweet, savedPoint)) { tweet.scrollIntoView({ block: 'center' }); await sleep(400); return true; } } await waitForForegroundIfNeeded(autoPause); window.scrollBy(0, -window.innerHeight * 2.4); await sleep(260); } return false; } async function searchResumeAroundAnchors(resumePoint, anchors, autoPause, anchorSearchCount, preferredSide) { if (!resumePoint || !anchors) return { found: false, fallback: false }; updateStatus('续传点未出现，正在定位锚点并二次搜索...', null); const anchorLocated = await scrollToAnyAnchor(anchors, autoPause, preferredSide); if (!anchorLocated) return { found: false, fallback: false, anchorMissing: true }; updateStatus('已定位锚点，正在上下搜索续传点...', null); const found = await scanResumeAroundAnchor(resumePoint, autoPause, anchorSearchCount, anchorLocated.side); const anchorInfo = anchorLocated.tweet ? extractTweetInfo(anchorLocated.tweet) : null; if (found) return { found: true, fallback: false, anchorInfo }; return { found: false, fallback: true, anchorInfo }; } async function scrollToAnyAnchor(anchors, autoPause, preferredSide) { const maxAttempts = 26; for (let attempt = 0; attempt < maxAttempts; attempt++) { await waitForForegroundIfNeeded(autoPause); const tweets = document.querySelectorAll('[data-testid="tweet"]'); for (const tweet of tweets) { const anchorMatch = matchAnchorTweet(tweet, anchors); if (anchorMatch) { tweet.scrollIntoView({ block: 'center' }); await sleep(400); return { tweet, side: anchorMatch.side, anchor: anchorMatch.anchor }; } } await waitForForegroundIfNeeded(autoPause); window.scrollBy(0, -window.innerHeight * 2.6); await sleep(260); } return false; } async function scanResumeAroundAnchor(resumePoint, autoPause, anchorSearchCount, anchorSide) { const perDirection = Number.isFinite(anchorSearchCount) && anchorSearchCount > 0 ? anchorSearchCount : ANCHOR_SEARCH_COUNT; const seen = new Set(); const scanVisible = () => { const tweets = document.querySelectorAll('[data-testid="tweet"]'); for (const tweet of tweets) { const id = extractTweetId(tweet); if (!id || seen.has(id)) continue; seen.add(id); if (isResumeTweet(tweet, resumePoint)) { return tweet; } } return null; }; let foundTweet = scanVisible(); if (foundTweet) { foundTweet.scrollIntoView({ block: 'center' }); await sleep(400); return true; } const scanDirection = async (direction) => { let counted = 0; let lastSeen = seen.size; let noNewCount = 0; while (counted < perDirection && noNewCount < 4) { await waitForForegroundIfNeeded(autoPause); window.scrollBy(0, direction * window.innerHeight * 1.1); await sleep(320); foundTweet = scanVisible(); if (foundTweet) return foundTweet; const currentCount = seen.size; const delta = currentCount - lastSeen; if (delta > 0) { counted += delta; lastSeen = currentCount; noNewCount = 0; } else { noNewCount++; } } return null; }; const directionOrder = anchorSide === 'before' ? [1, -1] : [-1, 1]; for (const direction of directionOrder) { foundTweet = await scanDirection(direction); if (foundTweet) { foundTweet.scrollIntoView({ block: 'center' }); await sleep(400); return true; } } return false; } function extractMediaFromTweet(tweet, types) { const media = []; const tweetId = extractTweetId(tweet); if (types.image || types.gif) { const images = tweet.querySelectorAll('[data-testid="tweetPhoto"] img'); images.forEach((img, index) => { let url = img.src; if (url.includes('pbs.twimg.com/media/')) { url = url.replace(/\?format=\w+/, '?format=jpg') .replace(/&name=\w+/, '&name=orig'); if (!url.includes('?format=')) { url = url.split('?')[0] + '?format=jpg&name=orig'; } } const isGif = img.closest('[data-testid="tweetPhoto"]')?.querySelector('video') != null || url.includes('tweet_video_thumb'); if (isGif && types.gif) { media.push({ type: 'gif', url: url, filename: `${tweetId}_gif_${index}.jpg`, tweetId }); } else if (!isGif && types.image) { media.push({ type: 'image', url: url, filename: `${tweetId}_img_${index}.jpg`, tweetId }); } }); } if (types.video) { const videos = tweet.querySelectorAll('video'); videos.forEach((video, index) => { let url = video.src; if (url && url.includes('video.twimg.com')) { media.push({ type: 'video', url: url, filename: `${tweetId}_video_${index}.mp4`, tweetId }); } }); } return media; } async function extractMediaWithApiFallback(tweet, types) { const domMedia = extractMediaFromTweet(tweet, types); const tweetId = extractTweetId(tweet); if (!tweetId) return domMedia; const shouldFetchApi = types.video || domMedia.length === 0; if (!shouldFetchApi) return domMedia; try { const tweetData = await fetchTweetByApi(tweetId); if (!tweetData) return domMedia; const apiResult = extractMediaFromApi(tweetData); const apiMedia = Array.isArray(apiResult?.media) ? apiResult.media : []; const filteredApi = apiMedia .filter(item => { if (item.type === 'image') return types.image; if (item.type === 'gif') return types.gif; if (item.type === 'video') return types.video; return false; }) .map((item, index) => ({ type: item.type, url: item.url, filename: item.filename || `${tweetId}_${item.type}_${index}`, tweetId })); if (types.video) { const apiVideos = filteredApi.filter(item => item.type === 'video'); if (apiVideos.length > 0) { const nonVideoDom = domMedia.filter(item => item.type !== 'video'); return [...nonVideoDom, ...apiVideos]; } } if (domMedia.length > 0) return domMedia; return filteredApi; } catch (error) { console.warn('[XLD] API媒体提取失败:', tweetId, error); return domMedia; } } function extractTweetId(tweet) { const timeLink = tweet.querySelector('time')?.closest('a[href*="/status/"]'); if (timeLink) { const match = timeLink.href.match(/\/status\/(\d+)/); if (match) return match[1]; } const links = tweet.querySelectorAll('a[href*="/status/"]'); for (const link of links) { const isQuoteTweet = link.closest('[data-testid="tweet"]') !== tweet; if (!isQuoteTweet) { const match = link.href.match(/\/status\/(\d+)/); if (match) return match[1]; } } const anyLink = tweet.querySelector('a[href*="/status/"]'); if (anyLink) { const match = anyLink.href.match(/\/status\/(\d+)/); if (match) return match[1]; } return null; } function extractFullTweetInfo(tweet) { const meta = collectTweetMeta(tweet); return { id: meta.id, fullText: meta.fullText, mediaId: meta.mediaId, authorUsername: meta.authorUsername }; } function buildResumeSnapshot(targetTweet) { const resumePoint = extractTweetInfo(targetTweet); const snapshot = { resumePoint: resumePoint || null, anchors: { before: [], after: [] }, timestamp: Date.now() }; if (!resumePoint || !resumePoint.id) return snapshot; const tweets = Array.from(document.querySelectorAll('[data-testid="tweet"]')); if (tweets.length === 0) return snapshot; const targetIndex = tweets.findIndex(item => extractTweetId(item) === resumePoint.id); if (targetIndex === -1) return snapshot; const beforeTweets = tweets.slice(Math.max(0, targetIndex - RESUME_ANCHOR_COUNT), targetIndex); const afterTweets = tweets.slice(targetIndex + 1, targetIndex + 1 + RESUME_ANCHOR_COUNT); snapshot.anchors.before = beforeTweets .map(extractFullTweetInfo) .filter(info => info && info.id); snapshot.anchors.after = afterTweets .map(extractFullTweetInfo) .filter(info => info && info.id); return snapshot; } function matchAnchorTweet(tweet, anchors) { if (!anchors) return null; const before = Array.isArray(anchors.before) ? anchors.before : []; const after = Array.isArray(anchors.after) ? anchors.after : []; for (const anchor of before) { if (isMatchTweet(tweet, anchor)) return { side: 'before', anchor }; } for (const anchor of after) { if (isMatchTweet(tweet, anchor)) return { side: 'after', anchor }; } return null; } function isMatchTweet(tweet, savedPoint) { if (!savedPoint) return false; const currentInfo = extractFullTweetInfo(tweet); let matchScore = 0; if (currentInfo.id && savedPoint.id && currentInfo.id === savedPoint.id) { matchScore += 3; } if (currentInfo.mediaId && savedPoint.mediaId && currentInfo.mediaId === savedPoint.mediaId) { matchScore += 2; } if (currentInfo.fullText && savedPoint.fullText) { if (currentInfo.fullText === savedPoint.fullText || currentInfo.fullText.startsWith(savedPoint.fullText) || savedPoint.fullText.startsWith(currentInfo.fullText)) { matchScore += 1; } } const isMatch = matchScore >= 2; return isMatch; } function isMarkerTweet(tweet, savedMarker) { return isMatchTweet(tweet, savedMarker); } function isResumeTweet(tweet, resumePoint) { return isMatchTweet(tweet, resumePoint); } function isMarkerReached(tweet) { if (!tweet) return false; const rect = tweet.getBoundingClientRect(); const viewHeight = window.innerHeight || document.documentElement.clientHeight; return rect.top <= viewHeight * 0.9; } function getFirstVisibleTweetId() { const tweets = document.querySelectorAll('[data-testid="tweet"]'); let bestTweet = null; let bestTop = Infinity; for (const tweet of tweets) { const rect = tweet.getBoundingClientRect(); if (rect.bottom <= 0) continue; if (rect.top < bestTop) { bestTop = rect.top; bestTweet = tweet; } } return bestTweet ? extractTweetId(bestTweet) : null; } async function scrollToTopIfNeeded(autoPause) { await waitForForegroundIfNeeded(autoPause); if (window.scrollY <= 0) return; window.scrollTo(0, 0); let attempts = 0; while (window.scrollY > 0 && attempts < 10) { await waitForForegroundIfNeeded(autoPause); await sleep(120); window.scrollTo(0, 0); attempts++; } } async function ensureTopBeforeTask(autoPause) { const beforeScroll = window.scrollY; const beforeId = getFirstVisibleTweetId(); await scrollToTopIfNeeded(autoPause); if (beforeScroll <= 0 && window.scrollY <= 0) return; let stableCount = 0; let lastId = null; for (let attempt = 0; attempt < 12; attempt++) { await waitForForegroundIfNeeded(autoPause); await sleep(140); const currentId = getFirstVisibleTweetId(); if (currentId && currentId === lastId) { stableCount++; } else { stableCount = 0; } lastId = currentId; if (window.scrollY <= 0 && currentId && currentId !== beforeId && stableCount >= 1) { break; } } } async function downloadAll() { if (collectedMedia.length === 0) { updateStatus('没有可下载的文件'); return; } const downloadBtn = document.getElementById('xld-download-btn'); const autoPause = getAutoPause(); downloadBtn.disabled = true; isDownloading = true; updateForegroundWarning(); const dateStr = new Date().toISOString().split('T')[0]; const zipFileName = `[Xlike]${dateStr}.zip`; let completed = 0; let failed = 0; if (typeof fflate === 'undefined') { updateStatus('fflate 未加载，请刷新页面重试'); downloadBtn.disabled = false; isDownloading = false; updateForegroundWarning(); return; } const files = {}; updateStatus(`正在下载文件...`, 0); for (const item of collectedMedia) { await waitForForegroundIfNeeded(autoPause); try { updateStatus(`下载中 (${completed + 1}/${collectedMedia.length}): ${item.filename}`, (completed / collectedMedia.length) * 70); const blob = await fetchMedia(item.url); if (blob && blob.size > 0) { const arrayBuffer = await blob.arrayBuffer(); files[item.filename] = new Uint8Array(arrayBuffer); } else { failed++; } } catch (error) { console.error(`下载失败: ${item.url}`, error); failed++; } completed++; } if (Object.keys(files).length === 0) { updateStatus('所有文件下载失败，请检查网络'); downloadBtn.disabled = false; isDownloading = false; updateForegroundWarning(); return; } updateStatus(`正在打包 ${Object.keys(files).length} 个文件...`, 75); try { const zipped = fflate.zipSync(files, { level: 0 }); const blob = new Blob([zipped], { type: 'application/zip' }); updateStatus('正在保存 ZIP 文件...', 90); const blobUrl = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = blobUrl; a.download = zipFileName; document.body.appendChild(a); a.click(); document.body.removeChild(a); setTimeout(() => URL.revokeObjectURL(blobUrl), 1000); if (lastScanMode === 'marker' && lastScanStopReason === 'marker' && firstTweetInfo && firstTweetInfo.id) { GM_setValue('markerTweetId', firstTweetInfo); updateMarkerDisplay(); } if (lastScanMode === 'full') { if (lastScanStopReason === 'limit' && pendingResumeSnapshot && pendingResumeSnapshot.resumePoint?.id) { GM_setValue('fullResumeSnapshot', pendingResumeSnapshot); GM_setValue('fullResumePoint', pendingResumeSnapshot.resumePoint); } else if (lastScanStopReason === 'end') { GM_setValue('fullResumeSnapshot', null); GM_setValue('fullResumePoint', null); } updateResumeDisplay(); } const failMsg = failed > 0 ? ` (${failed} 个失败)` : ''; updateStatus(`下载完成！已保存为 ${zipFileName}${failMsg}`, 100); } catch (error) { updateStatus(`打包失败: ${error.message}`, 0); console.error('ZIP生成错误:', error); } isDownloading = false; downloadBtn.disabled = false; updateForegroundWarning(); } function fetchMedia(url) { return new Promise((resolve, reject) => { const timeout = setTimeout(() => { reject(new Error('下载超时')); }, 30000); GM_xmlhttpRequest({ method: 'GET', url: url, responseType: 'blob', timeout: 30000, onload: function(response) { clearTimeout(timeout); if (response.status === 200) { resolve(response.response); } else { reject(new Error(`HTTP ${response.status}`)); } }, onerror: function(error) { clearTimeout(timeout); reject(error); }, ontimeout: function() { clearTimeout(timeout); reject(new Error('请求超时')); } }); }); } function sleep(ms) { return new Promise(resolve => setTimeout(resolve, ms)); } async function waitForForegroundIfNeeded(autoPause) { if (!autoPause) return; while (document.hidden) { updateStatus('标签页在后台，已暂停。请切回前台继续。', null); await sleep(1000); } } function getCookies() { const cookies = {}; document.cookie.split(';').filter(n => n.indexOf('=') > 0).forEach(n => { n.replace(/^([^=]+)=(.+)$/, (match, name, value) => { cookies[name.trim()] = value.trim(); }); }); return cookies; } async function fetchTweetByApi(tweetId) { const baseUrl = 'https://x.com/i/api/graphql/2ICDjqPd81tulZcYrtpTuQ/TweetResultByRestId'; const variables = { 'tweetId': tweetId, 'with_rux_injections': false, 'includePromotedContent': true, 'withCommunity': true, 'withQuickPromoteEligibilityTweetFields': true, 'withBirdwatchNotes': true, 'withVoice': true, 'withV2Timeline': true }; const features = { 'articles_preview_enabled': true, 'c9s_tweet_anatomy_moderator_badge_enabled': true, 'communities_web_enable_tweet_community_results_fetch': false, 'creator_subscriptions_quote_tweet_preview_enabled': false, 'creator_subscriptions_tweet_preview_api_enabled': false, 'freedom_of_speech_not_reach_fetch_enabled': true, 'graphql_is_translatable_rweb_tweet_is_translatable_enabled': true, 'longform_notetweets_consumption_enabled': false, 'longform_notetweets_inline_media_enabled': true, 'longform_notetweets_rich_text_read_enabled': false, 'premium_content_api_read_enabled': false, 'profile_label_improvements_pcf_label_in_post_enabled': true, 'responsive_web_edit_tweet_api_enabled': false, 'responsive_web_enhance_cards_enabled': false, 'responsive_web_graphql_exclude_directive_enabled': false, 'responsive_web_graphql_skip_user_profile_image_extensions_enabled': false, 'responsive_web_graphql_timeline_navigation_enabled': false, 'responsive_web_media_download_video_enabled': false, 'responsive_web_twitter_article_tweet_consumption_enabled': true, 'rweb_tipjar_consumption_enabled': true, 'rweb_video_screen_enabled': false, 'standardized_nudges_misinfo': true, 'tweet_awards_web_tipping_enabled': false, 'tweet_with_visibility_results_prefer_gql_limited_actions_policy_enabled': true, 'tweetypie_unmention_optimization_enabled': false, 'verified_phone_label_enabled': false, 'view_counts_everywhere_api_enabled': true }; const url = encodeURI(`${baseUrl}?variables=${JSON.stringify(variables)}&features=${JSON.stringify(features)}`); const cookies = getCookies(); const headers = { 'authorization': 'Bearer AAAAAAAAAAAAAAAAAAAAANRILgAAAAAAnNwIzUejRCOuH5E6I8xnZz4puTs%3D1Zv7ttfk8LF81IUq16cHjhLTvJu4FA33AGWWjCpTnA', 'x-twitter-active-user': 'yes', 'x-twitter-client-language': cookies.lang || 'en', 'x-csrf-token': cookies.ct0 }; if (cookies.ct0 && cookies.ct0.length === 32) { headers['x-guest-token'] = cookies.gt; } const response = await fetch(url, { headers }); const json = await response.json(); if (json.errors) { throw new Error(json.errors[0].message); } const tweetResult = json.data?.tweetResult?.result; return tweetResult?.tweet || tweetResult; } function extractMediaFromApi(tweetData) { const media = []; const tweet = tweetData.legacy; const user = tweetData.core?.user_results?.result?.legacy; const extendedMedia = tweet?.extended_entities?.media || []; extendedMedia.forEach((item, index) => { if (item.type === 'photo') { media.push({ type: 'image', url: item.media_url_https + ':orig', filename: `${tweet.id_str}_img_${index}.jpg` }); } else if (item.type === 'video' || item.type === 'animated_gif') { const variants = item.video_info?.variants || []; const mp4Variants = variants.filter(v => v.content_type === 'video/mp4'); const bestVariant = mp4Variants.sort((a, b) => (b.bitrate || 0) - (a.bitrate || 0))[0]; if (bestVariant) { const ext = item.type === 'animated_gif' ? 'gif.mp4' : 'mp4'; media.push({ type: item.type === 'animated_gif' ? 'gif' : 'video', url: bestVariant.url.split('?')[0], bitrate: bestVariant.bitrate, filename: `${tweet.id_str}_${item.type === 'animated_gif' ? 'gif' : 'video'}_${index}.${ext}` }); } } }); return { user: user ? `${user.name} (@${user.screen_name})` : 'Unknown', text: tweet?.full_text?.substring(0, 100) || '', media }; } GM_registerMenuCommand('打开 X Likes 下载器', openPanel); })();