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feat(Bangumi_Topic_Share): add Rakuen support via outer-frame iframe monitoring, fix share button placement to main post actions bar, use inline SVG share icon, bump version to 4.11

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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Stardream
2026-04-21 18:36:58 +10:00
parent 4cea895013
commit 27797d81ea
1 changed files with 83 additions and 42 deletions
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js/Bangumi_Topic_Share.js
+83 -42
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@@ -1,13 +1,19 @@
// ==UserScript==
// @name Bangumi Topic Share
// @namespace http://tampermonkey.net/
// @version 4.10
// @version 4.11
// @description Bangumi 话题分享工具：生成分享卡片，支持图片复制/下载、一键复制分享文案、可选 AI 标签
// @author Chang ji
// @contributor Stardream
// @match *://bgm.tv/group/topic/*
// @match *://bangumi.tv/group/topic/*
// @match *://chii.in/group/topic/*
// @match *://bgm.tv/subject/*/topic/*
// @match *://bangumi.tv/subject/*/topic/*
// @match *://chii.in/subject/*/topic/*
// @match *://bgm.tv/rakuen*
// @match *://bangumi.tv/rakuen*
// @match *://chii.in/rakuen*
// @grant GM_xmlhttpRequest
// @connect *
// @require https://cdn.jsdelivr.net/npm/html2canvas@1.4.1/dist/html2canvas.min.js
@@ -17,14 +23,10 @@
(function() {
'use strict';
function isDark() {
return document.documentElement.getAttribute('data-theme') === 'dark';
}
// ================= 配置区 =================
const AI_CONFIG = {
apiUrl: "在此处填入你的_API_URL",
apiKey: "在此处填入你的_API_KEY",
apiUrl: "在此处填入你的_API_URL",
apiKey: "在此处填入你的_API_KEY",
model: "gpt-3.5-turbo",
};
// =========================================
@@ -104,10 +106,6 @@
`;
document.head.appendChild(style);
function getElementByXpath(path) {
return document.evaluate(path, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
}
function fetchAsBase64(url) {
return new Promise((resolve) => {
if (!url) { resolve(""); return; }
@@ -124,18 +122,23 @@
});
}
function getPageTags() {
const groupLink = document.querySelector('a.avatar[href^="/group/"]');
function getPageTags(contentDoc) {
const groupLink = contentDoc.querySelector('a.avatar[href^="/group/"]');
let groupName = '';
if (groupLink) {
groupLink.childNodes.forEach(n => { if (n.nodeType === 3) groupName += n.textContent.trim(); });
}
const replyCount = Math.max(0, document.querySelectorAll('[id^="post_"]').length - 1);
if (!groupName) {
const subjectLink = contentDoc.querySelector('#pageHeader a[href^="/subject/"]')
|| contentDoc.querySelector('a[href^="/subject/"]');
if (subjectLink) groupName = subjectLink.textContent.trim();
}
const replyCount = Math.max(0, contentDoc.querySelectorAll('[id^="post_"]').length - 1);
return [groupName || 'Bangumi', `${replyCount} 回复`];
}
async function getAITags(title, content) {
if (!AI_CONFIG.apiKey || AI_CONFIG.apiKey.includes("填入")) return getPageTags();
async function getAITags(title, content, contentDoc) {
if (!AI_CONFIG.apiKey || AI_CONFIG.apiKey.includes("填入")) return getPageTags(contentDoc);
return new Promise((resolve) => {
const prompt = `根据标题和内容生成3个短标签，只要标签名，空格隔开。内容：${title} ${content.substring(0, 150)}`;
GM_xmlhttpRequest({
@@ -146,15 +149,18 @@
try {
const tags = JSON.parse(res.responseText).choices[0].message.content.trim().split(/\s+/).slice(0, 3);
resolve(tags);
} catch (e) { resolve(["话题", "讨论", "Bangumi"]); }
} catch (e) { resolve(getPageTags(contentDoc)); }
},
onerror: () => resolve(["话题", "讨论", "Bangumi"])
onerror: () => resolve(getPageTags(contentDoc))
});
});
}
async function createShareImage() {
const dark = isDark();
// contentDoc: the document containing the topic (may be an iframe's doc on Rakuen)
// Overlay is always rendered in the outer document (where GM functions are available)
async function createShareImage(contentDoc = document) {
const dark = contentDoc.documentElement.getAttribute('data-theme') === 'dark';
const contentWin = contentDoc.defaultView || window;
if (typeof html2canvas === 'undefined') {
alert("截图库加载失败，请刷新页面或检查网络。");
@@ -165,17 +171,18 @@
loading.innerHTML = '<div id="bgm-share-overlay" style="display:flex"><div id="loading-info">AI 正在提炼标签...</div></div>';
document.body.appendChild(loading);
const idNode = getElementByXpath("/html/body/div[1]/div[2]/div[1]/div[1]/div[2]/div[2]/strong/a");
const firstPost = contentDoc.querySelector('.postTopic') || contentDoc.querySelector('[id^="post_"]');
const idNode = firstPost?.querySelector('strong a') || firstPost?.querySelector('.author strong a');
const username = idNode ? idNode.innerText.trim() : "未知用户";
const timeNode = getElementByXpath("/html/body/div[1]/div[2]/div[1]/div[1]/div[2]/div[1]/div[1]/small");
const timeNode = firstPost?.querySelector('small');
let postTime = timeNode ? (timeNode.innerText.match(/\d{4}-\d{1,2}-\d{1,2}\s\d{1,2}:\d{1,2}/)?.[0] || "未知时间") : "未知时间";
const h1Node = document.querySelector('#pageHeader h1') || document.querySelector('h1');
const h1Node = contentDoc.querySelector('#pageHeader h1') || contentDoc.querySelector('h1');
let pureTitle = "";
if (h1Node) h1Node.childNodes.forEach(n => { if (n.nodeType === 3) pureTitle += n.textContent; });
pureTitle = pureTitle.replace(/[»\n]/g, '').trim() || "分享话题";
const masterPost = document.querySelector('.postTopic') || document.querySelector('[id^="post_"]');
const masterPost = contentDoc.querySelector('.postTopic') || contentDoc.querySelector('[id^="post_"]');
const contentEl = masterPost?.querySelector('.topic_content') || masterPost?.querySelector('.inner');
let fullContent = "";
if (contentEl) {
@@ -187,13 +194,13 @@
let displayContent = fullContent.length > 300 ? fullContent.substring(0, 300) + "..." : fullContent;
const avatarBox = masterPost?.querySelector('.avatarSize48');
let avatarUrl = avatarBox ? window.getComputedStyle(avatarBox).backgroundImage.replace(/url\(["']?([^"']+)["']?\)/, '$1') : "";
let avatarUrl = avatarBox ? contentWin.getComputedStyle(avatarBox).backgroundImage.replace(/url\(["']?([^"']+)["']?\)/, '$1') : "";
const currentFullUrl = window.location.origin + window.location.pathname;
const currentFullUrl = contentWin.location.origin + contentWin.location.pathname;
const displayUrl = currentFullUrl.replace(/^https?:\/\//, '');
const [tags, base64Avatar, base64QR] = await Promise.all([
getAITags(pureTitle, fullContent),
getAITags(pureTitle, fullContent, contentDoc),
fetchAsBase64(avatarUrl),
fetchAsBase64(`https://api.qrserver.com/v1/create-qr-code/?size=150x150&data=${encodeURIComponent(currentFullUrl)}${dark ? '&color=F09199&bgcolor=2a2a2a' : ''}`)
]);
@@ -280,7 +287,6 @@
const timeout = new Promise((_, reject) => setTimeout(() => reject(new Error('timeout')), 10000));
const captureEl = document.querySelector('#capture-area');
// 将卡片注入独立 iframe，避免 html2canvas 克隆整个 Bangumi 页面 DOM
iframe = document.createElement('iframe');
iframe.style.cssText = 'position:fixed;top:0;left:0;border:0;opacity:0;pointer-events:none;z-index:99999;';
iframe.style.width = captureEl.offsetWidth + 'px';
@@ -350,20 +356,55 @@
}, 800);
}
const insertButton = () => {
const menuInner = document.querySelector('#columnInSubjectB .menu_inner');
if (menuInner && !document.getElementById('gen-card-btn')) {
const br = document.createElement('br');
const btn = document.createElement('a');
btn.id = 'gen-card-btn';
btn.href = 'javascript:void(0);';
btn.className = 'l';
btn.textContent = '/ 分享';
menuInner.appendChild(br);
menuInner.appendChild(btn);
btn.addEventListener('click', createShareImage);
const insertButton = (targetDoc = document) => {
if (targetDoc.getElementById('gen-card-btn')) return;
const postActions = targetDoc.querySelector('.postTopic .post_actions:not(.re_info)')
|| targetDoc.querySelector('[id^="post_"] .post_actions:not(.re_info)')
|| targetDoc.querySelector('.post_actions:not(.re_info)');
if (postActions) {
const wrap = targetDoc.createElement('span');
wrap.className = 'action';
wrap.innerHTML = '<a href="javascript:void(0);" id="gen-card-btn" class="icon" title="分享话题" style="display:inline-flex;align-items:center;gap:3px;"><svg width="13" height="13" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" stroke-linejoin="round" style="vertical-align:middle;"><circle cx="18" cy="5" r="3"/><circle cx="6" cy="12" r="3"/><circle cx="18" cy="19" r="3"/><line x1="8.59" y1="13.51" x2="15.42" y2="17.49"/><line x1="15.41" y1="6.51" x2="8.59" y2="10.49"/></svg><span class="title">分享</span></a>';
postActions.appendChild(wrap);
targetDoc.getElementById('gen-card-btn').addEventListener('click', () => createShareImage(targetDoc));
return;
}
// 降级：插入普通页面侧栏（仅非 Rakuen 场景）
if (targetDoc === document) {
const menuInner = document.querySelector('#columnInSubjectB .menu_inner')
|| document.querySelector('#columnSubjectB .menu_inner');
if (menuInner) {
const br = document.createElement('br');
const btn = document.createElement('a');
btn.id = 'gen-card-btn';
btn.href = 'javascript:void(0);';
btn.className = 'l';
btn.textContent = '/ 分享';
menuInner.appendChild(br);
menuInner.appendChild(btn);
btn.addEventListener('click', () => createShareImage(document));
}
}
};
setTimeout(insertButton, 500);
})();
// 超展开：在外层页面监听 #right iframe 导航，注入按钮
const rightFrame = document.getElementById('right');
if (rightFrame && rightFrame.tagName === 'IFRAME') {
const onRightFrameLoad = () => {
setTimeout(() => {
try {
const iDoc = rightFrame.contentDocument;
const iUrl = rightFrame.contentWindow.location.href;
if (/\/(group\/topic|subject\/\d+\/topic)\//.test(iUrl)) {
insertButton(iDoc);
}
} catch (e) {}
}, 800);
};
rightFrame.addEventListener('load', onRightFrameLoad);
} else {
setTimeout(insertButton, 500);
}
})();