获取B站各播放页面及直播间封面，支持手动及实时预览等多种工作模式，支持封面预览及点击下载，可高度自定义
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// ==UserScript==
// @name B站封面获取
// @version 5.1.1.20210812
// @namespace laster2800
// @author Laster2800
// @description 获取B站各播放页面及直播间封面，支持手动及实时预览等多种工作模式，支持封面预览及点击下载，可高度自定义
// @icon https://www.bilibili.com/favicon.ico
// @homepage https://greasyfork.org/zh-CN/scripts/395575
// @supportURL https://greasyfork.org/zh-CN/scripts/395575/feedback
// @license LGPL-3.0
// @noframes
// @include *://www.bilibili.com/video/*
// @include *://www.bilibili.com/bangumi/play/*
// @include *://www.bilibili.com/medialist/play/watchlater
// @include *://www.bilibili.com/medialist/play/watchlater/*
// @include *://live.bilibili.com/*
// @exclude *://live.bilibili.com/
// @exclude *://live.bilibili.com/?*
// @require https://greasyfork.org/scripts/409641-userscriptapi/code/UserscriptAPI.js?version=959256
// @grant GM_download
// @grant GM_notification
// @grant GM_xmlhttpRequest
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_deleteValue
// @grant GM_listValues
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant window.onurlchange
// @grant unsafeWindow
// @connect api.bilibili.com
// @incompatible firefox 完全不兼容 Greasemonkey，不完全兼容 Violentmonkey
// ==/UserScript==
(function() {
'use strict'
const gmId = 'gm395575'
const defaultRealtimeStyle = `
#${gmId}-realtime-cover {
display: block;
margin-bottom: 10px;
box-shadow: #00000033 0px 3px 6px;
}
#${gmId}-realtime-cover img {
display: block;
width: 100%;
}
`.trim().replace(/\s+/g, ' ')
const gm = {
id: gmId,
configVersion: GM_getValue('configVersion'),
configUpdate: 20210812,
config: {},
configMap: {
mode: { default: -1, name: '工作模式' },
customModeSelector: { default: '#danmukuBox' },
customModePosition: { default: 'beforebegin' },
customModeQuality: { default: '320w' },
customModeStyle: { default: defaultRealtimeStyle },
preview: { default: true, name: '封面预览', checkItem: true },
download: { default: true, name: '点击下载', checkItem: true, needNotReload: true },
bangumiSeries: { default: false, name: '番剧：获取系列总封面', checkItem: true },
},
runtime: {
/** @type {'legacy' | 'realtime'} */
layer: null,
realtimeSelector: null,
/** @type {'beforebegin' | 'afterbegin' | 'beforeend' | 'afterend'} */
realtimePosition: null,
realtimeQuality: null,
realtimeStyle: null,
modeName: null,
},
url: {
api_videoInfo: (id, type) => `https://api.bilibili.com/x/web-interface/view?${type}=${id}`,
gm_changelog: 'https://gitee.com/liangjiancang/userscript/blob/master/script/BilibiliCover/changelog.md',
noop: 'javascript:void(0)',
},
regex: {
page_videoNormalMode: /\.com\/video([/?#]|$)/,
page_videoWatchlaterMode: /\.com\/medialist\/play\/watchlater([/?#]|$)/,
page_bangumi: /\/bangumi\/play([/?#]|$)/,
page_live: /live\.bilibili\.com\/\d+([/?#]|$)/, // 只含具体的直播间页面
},
const: {
hintText: '左键：下载或在新标签页中打开封面。\n中键：在新标签页中打开封面。\n右键：可通过「另存为」直接保存图片。',
errorMsg: '获取失败，若非网络问题请提供反馈',
customMode: 32767,
fadeTime: 200,
noticeTimeout: 5600,
},
}
/* global UserscriptAPI */
const api = new UserscriptAPI({
id: gm.id,
label: GM_info.script.name,
})
/** @type {Script} */
let script = null
/** @type {Webpage} */
let webpage = null
class Script {
/**
* 初始化脚本
*/
init() {
try {
this.updateVersion()
for (const name in gm.configMap) {
const v = GM_getValue(name)
const dv = gm.configMap[name].default
gm.config[name] = typeof v == typeof dv ? v : dv
}
this.initRuntime()
if (gm.config.mode == gm.configMap.mode.default) {
this.configureMode(true)
}
} catch (e) {
api.logger.error(e)
const result = api.message.confirm('初始化错误！是否彻底清空内部数据以重置脚本？')
if (result) {
const gmKeys = GM_listValues()
for (const gmKey of gmKeys) {
GM_deleteValue(gmKey)
}
location.reload()
}
}
}
/**
* 初始化运行时变量
*/
initRuntime() {
const rt = gm.runtime
const mode = gm.config.mode
rt.layer = mode > 1 ? 'realtime' : 'legacy'
if (rt.layer == 'realtime') {
for (const s of ['Selector', 'Position', 'Style']) {
rt['realtime' + s] = mode == 2 ? gm.configMap['customMode' + s].default : gm.config['customMode' + s]
}
rt.realtimeQuality = mode == 2 ? gm.configMap.customModeQuality.default : gm.config.customModeQuality
}
rt.modeName = { '-1': '初始化', '1': '传统', '2': '实时预览' }[mode] ?? (mode == gm.const.customMode ? '自定义' : '未知')
}
/**
* 初始化脚本菜单
*/
initScriptMenu() {
const _self = this
const cfgName = id => `[ ${config[id] ? '✓' : '✗'} ] ${configMap[id].name}`
const config = gm.config
const configMap = gm.configMap
const menuId = {}
menuId.mode = GM_registerMenuCommand(`${gm.configMap.mode.name} [ ${gm.runtime.modeName} ]`, () => _self.configureMode())
for (const id in config) {
if (configMap[id].checkItem) {
menuId[id] = createMenuItem(id)
}
}
menuId.reset = GM_registerMenuCommand('初始化脚本', () => this.resetScript())
function createMenuItem(id) {
return GM_registerMenuCommand(cfgName(id), () => {
config[id] = !config[id]
GM_setValue(id, config[id])
GM_notification({
text: `已${config[id] ? '开启' : '关闭'}「${configMap[id].name}」功能${configMap[id].needNotReload ? '' : '，刷新页面以生效（点击通知以刷新）'}。`,
timeout: gm.const.noticeTimeout,
onclick: configMap[id].needNotReload ? null : () => location.reload(),
})
clearMenu()
_self.initScriptMenu()
})
}
function clearMenu() {
for (const id in menuId) {
GM_unregisterMenuCommand(menuId[id])
}
}
}
/**
* 版本更新处理
*/
updateVersion() {
if (isNaN(gm.configVersion) || gm.configVersion < 0) {
gm.configVersion = gm.configUpdate
GM_setValue('configVersion', gm.configVersion)
} else if (gm.configVersion < gm.configUpdate) {
// 必须按从旧到新的顺序写
// 内部不能使用 gm.configUpdate，必须手写更新后的配置版本号！
// 4.10.0.20210711
if (gm.configVersion < 20210711) {
GM_deleteValue('preview')
}
// 5.0.0.20210811
if (gm.configVersion < 20210811) {
GM_deleteValue('liveKeyFrame')
}
// 5.0.5.20210812
if (gm.configVersion < 20210812) {
GM_deleteValue('mode')
GM_deleteValue('customModeStyle')
}
// 功能性更新后更新此处配置版本
if (gm.configVersion < 20210812) {
GM_notification({
text: '功能性更新完毕，您可能需要重新设置脚本。点击查看更新日志。',
onclick: () => window.open(gm.url.gm_changelog),
})
}
gm.configVersion = gm.configUpdate
GM_setValue('configVersion', gm.configVersion)
}
}
/**
* 初始化脚本
*/
resetScript() {
const result = api.message.confirm('是否要初始化脚本？')
if (result) {
const gmKeys = GM_listValues()
for (const gmKey of gmKeys) {
GM_deleteValue(gmKey)
}
gm.configVersion = gm.configUpdate
GM_setValue('configVersion', gm.configVersion)
location.reload()
}
}
/**
* 设置工作模式
* @async
* @param {boolean} [reload] 强制刷新
*/
async configureMode(reload) {
let result = null
let msg = null
let val = null
let msgbox = null
const info = '请查看页面正中的说明'
const display = msg => new Promise(resolve => {
api.message.create(msg, {
onOpened: function() { resolve(this) },
autoClose: false,
html: true,
width: '42em',
position: { top: '50%', left: '50%' },
})
})
const close = msgbox => new Promise(resolve => api.message.close(msgbox, resolve))
val = gm.config.mode
val = val == -1 ? 1 : val
msg = `
<div style="line-height:1.6em">
<p>输入对应序号选择脚本工作模式。输入值应该是一个数字。</p>
<p style="margin-bottom:0.5em">该项仅对视频播放页和番剧播放页有效，直播间总是使用传统模式。</p>
<p>[ 1 ] - 传统模式。在视频播放器下方添加一个「获取封面」按钮，与该按钮交互以获得封面。</p>
<p>[ 2 ] - 实时预览模式。直接在视频播放器右方显示封面，与其交互可进行更多操作。</p>
<p>[ ${gm.const.customMode} ] - 自定义模式。底层机制与预览模式相同，但封面位置及显示效果由用户自定义，运行效果仅限于想象力。</p>
</div>
`
msgbox = await display(msg)
result = api.message.prompt(info, val)
await close(msgbox)
if (result === null) return
result = parseInt(result)
if ([1, 2, gm.const.customMode].indexOf(result) >= 0) {
gm.config.mode = result
GM_setValue('mode', result)
} else {
gm.config.mode = -1
api.message.alert('设置失败，请填入正确的参数。')
return this.configureMode()
}
if (gm.config.mode == gm.const.customMode) {
val = gm.config.customModeSelector
msg = `
<div style="line-height:1.6em">
<p style="margin-bottom:0.5em">请认真阅读以下说明：</p>
<p>1. 应填入 CSS 选择器，脚本会以此选择定位元素，将封面元素「#${gm.id}-realtime-cover」插入到其附近（相对位置稍后设置）。</p>
<p>2. 确保该选择器在「普通播放页」「稍后再看播放页」「番剧播放页」中均有对应元素，否则脚本在对应页面无法工作。PS：逗号「,」以 OR 规则拼接多个选择器。</p>
<p>3. 不要选择广告为定位元素，否则封面元素可能会插入失败或被误杀。</p>
<p>4. 不要选择时有时无的元素，或第三方插入的元素作为定位元素，否则封面元素可能会插入失败。</p>
<p>5. 在 A 时间点插入的图片元素，有可能被 B 时间点插入的新元素 C 挤到目标以外的位置。只要将定位元素选择为 C 再更改相对位置即可解决问题。</p>
<p>6. 置空时使用默认设置。</p>
</div>
`
msgbox = await display(msg)
result = api.message.prompt(info, val)
if (result !== null) {
result = result.trim()
if (result === '') {
result = gm.configMap.customModeSelector.default
}
gm.config.customModeSelector = result
GM_setValue('customModeSelector', result)
}
await close(msgbox)
val = gm.config.customModePosition
msg = `
<div style="line-height:1.6em">
<p style="margin-bottom:0.5em">设置封面元素相对于定位元素的位置。</p>
<p>[ beforebegin ] - 作为兄弟节点插入到定位元素前方</p>
<p>[ afterbegin ] - 作为第一个子节点插入到定位元素内</p>
<p>[ beforeend ] - 作为最后一个子节点插入到定位元素内</p>
<p>[ afterend ] - 作为兄弟节点插入到定位元素后方</p>
</div>
`
msgbox = await display(msg)
result = null
const loop = () => ['beforebegin', 'afterbegin', 'beforeend', 'afterend'].indexOf(result) < 0
while (loop()) {
result = api.message.prompt(info, val)
if (result == null) break
result = result.trim()
if (loop()) {
api.message.alert('设置失败，请填入正确的参数。')
}
}
if (result !== null) {
gm.config.customModePosition = result
GM_setValue('customModePosition', result)
}
await close(msgbox)
val = gm.config.customModeQuality
msg = `
<div style="line-height:1.6em">
<p>设置实时预览图片的质量，该项会明显影响页面加载的视觉体验。</p>
<p>设置为 [ best ] 加载原图（不推荐），置空时使用默认设置。</p>
<p style="margin-bottom:0.5em">PS：B站推荐的视频封面长宽比为 16:9（非强制性标准）。</p>
<p>格式：[ ${'${width}w_${height}h_${clip}c_${quality}q'} ]</p>
<p>可省略部分参数，如 [ 320w_1q ] 表示「宽度 320 像素，高度自动，拉伸，压缩质量 1」</p>
<p>- width - 图片宽度</p>
<p>- height - 图片高度</p>
<p>- clip - 1 裁剪，0 拉伸；默认 0</p>
<p>- quality - 有损压缩参数，100 为无损；默认 100</p>
</div>
`
msgbox = await display(msg)
result = api.message.prompt(info, val)
if (result !== null) {
result = result.trim()
if (result === '') {
result = gm.configMap.customModeQuality.default
}
gm.config.customModeQuality = result
GM_setValue('customModeQuality', result)
}
await close(msgbox)
val = gm.config.customModeStyle
msg = `
<div style="line-height:1.6em">
<p style="margin-bottom:0.5em">设置封面元素的样式。设置为 [disable] 禁用样式，置空时使用默认设置。</p>
<p>这里提供几种目标效果以便拓宽思路：</p>
<p>* 鼠标悬浮至封面元素上方时放大封面实现预览效果（图片质量应与放大后的尺寸匹配）。</p>
<p>* 将内部 <img> 隐藏，使用 Base64 图片将封面元素改成任何样子。</p>
<p>* 将封面元素做成透明层覆盖在视频投稿时间上，实现点击投稿时间下载封面的效果。</p>
<p>* 将页面背景替换为视频封面，再加个滤镜也许还会有不错的设计感？</p>
<p>* ......</p>
</div>
`
msgbox = await display(msg)
result = api.message.prompt(info, val)
if (result !== null) {
result = result.trim()
if (result === '') {
result = gm.configMap.customModeStyle.default
} else {
result = result.replace(/\s+/g, ' ')
}
gm.config.customModeStyle = result
GM_setValue('customModeStyle', result)
}
await close(msgbox)
}
if (reload || api.message.confirm('配置工作模式完成，需刷新页面方可生效。是否立即刷新页面？')) {
location.reload()
}
}
}
class Webpage {
constructor() {
this.method = {
/**
* 下载封面
* @param {string} url 封面 URL
* @param {string} [name='Cover'] 保存文件名
*/
download(url, name) {
name = name || 'Cover'
const onerror = function(error) {
if (error?.error == 'not_whitelisted') {
api.message.alert('该封面的文件格式不在下载模式白名单中，从而触发安全限制导致无法直接下载。可修改脚本管理器的「下载模式」或「文件扩展名白名单」设置以放开限制。')
window.open(url)
} else {
GM_notification({
text: '下载错误',
timeout: gm.const.noticeTimeout,
})
}
}
const ontimeout = function() {
GM_notification({
text: '下载超时',
timeout: gm.const.noticeTimeout,
})
window.open(url)
}
api.web.download({ url, name, onerror, ontimeout })
},
/**
* 从 URL 获取视频 ID
* @param {string} [url=location.pathname] 提取视频 ID 的源字符串
* @returns {{id: string, type: 'aid' | 'bvid'}} `{id, type}`
*/
getVid(url = location.pathname) {
let m = null
if ((m = /\/bv([0-9a-z]+)([/?#]|$)/i.exec(url))) {
return { id: 'BV' + m[1], type: 'bvid' }
} else if ((m = /\/(av)?(\d+)([/?#]|$)/i.exec(url))) { // 兼容 URL 中 BV 号被第三方修改为 AV 号的情况
return { id: m[2], type: 'aid' }
}
},
/**
* 下载图片
* @param {HTMLElement} target 触发元素
*/
addDownloadEvent(target) {
if (!target._downloadEvent) {
const _self = this
// 此处必须用 mousedown，否则无法与动态获取封面的代码达成正确的联动
target.addEventListener('mousedown', function(e) {
if (target.loaded && gm.config.download && e.button == 0) {
e.preventDefault()
target.dispatchEvent(new Event('mouseleave'))
_self.download(this.href, document.title)
}
})
// 开启下载时，若没有以下处理器，则鼠标左键长按图片按钮，过一段时间后再松开，松开时依然会触发默认点击事件（在新标签页打开封面）
target.addEventListener('click', function(e) {
if (target.loaded && gm.config.download) {
e.preventDefault()
}
})
target._downloadEvent = true
}
},
/**
* 提示错误信息
* @param {HTMLElement} target 触发元素
*/
addErrorEvent(target) {
if (!target._errorEvent) {
target.addEventListener('mousedown', function(e) {
if (target.loaded) return
if (e.button == 0 || e.button == 1) {
e.preventDefault()
api.message.create(gm.const.errorMsg)
}
})
target._errorEvent = true
}
},
/**
* 设置封面
* @param {HTMLElement} target 封面元素
* @param {HTMLElement} preview 预览元素
* @param {string} url 封面 URL
*/
setCover(target, preview, url) {
if (url) {
target.title = gm.const.hintText
target.href = url
target.target = '_blank'
target.loaded = true
this.addDownloadEvent(target)
if (target.img) {
if (gm.runtime.realtimeQuality != 'best') {
target.img.src = `${url}@${gm.runtime.realtimeQuality}.webp`
target.img.lossless = url
} else {
target.img.src = url
}
}
if (preview) {
preview._needUpdate = true
preview._src = url
}
} else {
target.title = gm.const.errorMsg
target.href = gm.url.noop
target.target = '_self'
target.loaded = false
this.addErrorEvent(target)
if (target.img) {
target.img.removeAttribute('src')
target.img.lossless = ''
}
if (preview) {
preview.removeAttribute('src')
}
}
},
/**
* 创建预览元素
* @param {HTMLElement} target 触发元素
* @returns {HTMLImageElement}
*/
createPreview(target) {
const _self = this
const preview = document.body.appendChild(document.createElement('img'))
preview.className = `${gm.id}-preview`
preview.fadeOutNoInteractive = true
const fade = inOut => api.dom.fade(inOut, preview)
target.addEventListener('mouseenter', api.tool.debounce(async function() {
this.mouseOver = true
if (gm.config.preview) {
if (preview._needUpdate) {
await new Promise(resolve => {
preview.addEventListener('load', function() { resolve() }, { once: true })
preview.src = preview._src
preview._needUpdate = false
})
if (!this.mouseOver) return
}
preview.src && fade(true)
}
}, 200))
target.addEventListener('mouseleave', api.tool.debounce(function() {
this.mouseOver = false
if (gm.config.preview) {
!preview.mouseOver && fade(false)
}
}, 200))
let startPos = null // 鼠标进入预览时的初始坐标
preview.onmouseenter = function() {
this.mouseOver = true
startPos = null
}
preview.onmouseleave = function() {
this.mouseOver = false
setTimeout(() => {
if (!target.mouseOver) {
startPos = null
fade(false)
}
}, 200)
}
preview.addEventListener('mousedown', function(e) {
if (this.src) {
if (e.button == 0 || e.button == 1) {
if (e.button == 0) {
if (gm.config.download) {
_self.download(this.src, document.title)
} else {
window.open(this.src)
}
} else {
window.open(this.src)
}
}
}
})
preview.addEventListener('mousemove', function(e) {
// 鼠标移动一段距离关闭预览，优化用户体验
if (startPos) {
const dSquare = (startPos.x - e.clientX) ** 2 + (startPos.y - e.clientY) ** 2
if (dSquare > 20 ** 2) { // 20px
// 鼠标需已移出触发元素范围方可
const rect = target.getBoundingClientRect()
if (!(e.clientX > rect.left && e.clientX < rect.right && e.clientY > rect.top && e.clientY < rect.bottom)) {
fade(false)
}
}
} else {
startPos = {
x: e.clientX,
y: e.clientY,
}
}
})
// 滚动时关闭预览，优化用户体验
preview.addEventListener('wheel', api.tool.throttle(function() {
fade(false)
}, 200))
return preview
},
/**
* 创建实时封面元素
* @async
* @returns {HTMLElement}
*/
async createRealtimeCover() {
const ref = await api.wait.waitQuerySelector(gm.runtime.realtimeSelector)
const cover = ref.insertAdjacentElement(gm.runtime.realtimePosition, document.createElement('a'))
cover.id = `${gm.id}-realtime-cover`
cover.img = cover.appendChild(document.createElement('img'))
cover.img.addEventListener('error', function() {
if (gm.runtime.realtimeQuality != 'best' && this.src != this.lossless) {
if (gm.config.mode == gm.const.customMode) {
api.message.create(`缩略图获取失败，使用原图进行替换！请检查「${gm.runtime.realtimeQuality}」是否为有效的图片质量参数。可能是正常现象，因为年代久远的视频封面有可能不支持缩略图。`, { ms: 4000 })
} else {
api.message.create('缩略图获取失败，使用原图进行替换！可能是正常现象，因为年代久远的视频封面有可能不支持缩略图。', { ms: 3000 })
}
api.logger.warn(['缩略图获取失败，使用原图进行替换！', this.src, this.lossless])
this.src = this.lossless
}
})
if (gm.runtime.realtimeStyle != 'disable') {
api.dom.addStyle(gm.runtime.realtimeStyle)
}
return cover
}
}
}
async initVideo() {
const _self = this
const app = await api.wait.waitQuerySelector('#app')
const atr = await api.wait.waitQuerySelector('#arc_toolbar_report') // 无论如何都卡一下时间
await api.wait.waitForConditionPassed({
condition: () => app.__vue__,
})
let cover = null
if (gm.runtime.layer == 'legacy') {
cover = document.createElement('a')
cover.innerText = '获取封面'
cover.className = 'appeal-text'
// 确保与其他脚本配合时相关 UI 排列顺序不会乱
const gm395456 = atr.querySelector('[id|=gm395456]')
if (gm395456) {
atr.insertBefore(cover, gm395456)
} else {
atr.appendChild(cover)
}
} else {
cover = await _self.method.createRealtimeCover()
}
const preview = gm.config.preview && _self.method.createPreview(cover)
if (api.web.urlMatch(gm.regex.page_videoNormalMode)) {
api.wait.executeAfterElementLoaded({
selector: 'meta[itemprop=image]',
base: document.head,
subtree: false,
repeat: true,
timeout: 0,
onError: function(e) {
_self.method.setCover(cover, preview, false)
api.logger.error(e)
},
callback: function(meta) {
_self.method.setCover(cover, preview, meta.content)
},
})
} else {
if (gm.runtime.layer == 'legacy') {
const main = async function(event) {
try {
const vid = _self.method.getVid()
if (cover._cover_id == vid.id) return
// 在异步等待前拦截，避免逻辑倒置
event.preventDefault()
event.stopPropagation()
const url = await getCover(vid)
_self.method.setCover(cover, preview, url)
} catch (e) {
event.preventDefault()
event.stopPropagation()
_self.method.setCover(cover, preview, false)
api.logger.error(e)
}
// 需全面接管一切用户交互引起的行为，默认链接点击行为除外
removeEventListeners()
if (event.type == 'mousedown') {
if (event.button == 0) {
if (gm.config.download || !cover.loaded) {
const evt = new Event('mousedown') // 新建一个事件而不是复用 event，以避免意外情况
evt.button = 0
cover.dispatchEvent(evt) // 无法触发链接点击跳转
} else {
window.open(cover.href)
}
} else if (event.button == 1) {
if (cover.loaded) {
window.open(cover.href)
}
}
} else if (event.type == 'mouseenter') {
cover.dispatchEvent(new Event('mouseenter'))
}
addEventListeners()
}
// lazy loading；捕获期执行，确保优先于其他处理器
const addEventListeners = () => {
cover.addEventListener('mousedown', main, true)
if (gm.config.preview) {
cover.addEventListener('mouseenter', main, true)
}
}
const removeEventListeners = () => {
cover.removeEventListener('mousedown', main, true)
if (gm.config.preview) {
cover.removeEventListener('mouseenter', main, true)
}
}
addEventListeners()
} else {
const main = async function() {
try {
const vid = _self.method.getVid()
if (cover._cover_id == vid.id) return
const url = await getCover(vid)
_self.method.setCover(cover, preview, url)
} catch (e) {
_self.method.setCover(cover, preview, false)
api.logger.error(e)
}
}
setTimeout(main)
window.addEventListener('urlchange', main)
}
const getCover = async (vid = _self.method.getVid()) => {
if (cover._cover_id != vid.id) {
const resp = await api.web.request({
method: 'GET',
url: gm.url.api_videoInfo(vid.id, vid.type),
})
cover._cover_url = JSON.parse(resp.responseText).data.pic ?? ''
cover._cover_id = vid.id
}
return cover._cover_url
}
}
}
async initBangumi() {
const _self = this
const app = await api.wait.waitQuerySelector('#app')
const tm = await api.wait.waitQuerySelector('#toolbar_module') // 无论如何都卡一下时间
await api.wait.waitForConditionPassed({
condition: () => app.__vue__,
})
let cover = null
if (gm.runtime.layer == 'legacy') {
cover = document.createElement('a')
cover.innerText = '获取封面'
cover.className = `${gm.id}-bangumi-cover-btn`
tm.appendChild(cover)
} else {
cover = await _self.method.createRealtimeCover()
}
const preview = gm.config.preview && _self.method.createPreview(cover)
if (gm.config.bangumiSeries) {
const setCover = img => _self.method.setCover(cover, preview, img.src.replace(/@[^@]*$/, ''))
api.wait.waitQuerySelector('.media-cover img').then(img => {
setCover(img)
const ob = new MutationObserver(() => setCover(img))
ob.observe(img, { attributeFilter: ['src'] })
}).catch(e => {
_self.method.setCover(cover, preview, false)
api.logger.error(e)
})
} else {
if (gm.runtime.layer == 'legacy') {
const main = async function(event) {
try {
const params = getParams()
if (cover._cover_id == params.paster.aid) return
const url = getCover(params)
_self.method.setCover(cover, preview, url)
} catch (e) {
_self.method.setCover(cover, preview, false)
api.logger.error(e)
} finally {
event.preventDefault()
event.stopPropagation()
}
// 需全面接管一切用户交互引起的行为，默认链接点击行为除外
removeEventListeners()
if (event.type == 'mousedown') {
if (event.button == 0) {
if (gm.config.download || !cover.loaded) {
const evt = new Event('mousedown') // 新建一个事件而不是复用 event，以避免意外情况
evt.button = 0
cover.dispatchEvent(evt) // 无法触发链接点击跳转
} else {
window.open(cover.href)
}
} else if (event.button == 1) {
if (cover.loaded) {
window.open(cover.href)
}
}
} else if (event.type == 'mouseenter') {
cover.dispatchEvent(new Event('mouseenter'))
}
addEventListeners()
}
// lazy loading；use capture，确保优先于其他监听器执行
const addEventListeners = () => {
cover.addEventListener('mousedown', main, true)
if (gm.config.preview) {
cover.addEventListener('mouseenter', main, true)
}
}
const removeEventListeners = () => {
cover.removeEventListener('mousedown', main, true)
if (gm.config.preview) {
cover.removeEventListener('mouseenter', main, true)
}
}
addEventListeners()
} else {
const main = async function() {
try {
const params = getParams()
if (cover._cover_id == params.paster.aid) return
const url = getCover(params)
_self.method.setCover(cover, preview, url)
} catch (e) {
_self.method.setCover(cover, preview, false)
api.logger.error(e)
}
}
setTimeout(main)
window.addEventListener('urlchange', main)
}
const getParams = () => unsafeWindow.getPlayerExtraParams?.()
const getCover = (params = getParams()) => {
if (cover._cover_id != params.paster?.aid) {
cover._cover_url = params.epCover
cover._cover_id = params.id
}
return cover._cover_url
}
}
}
async initLive() {
const _self = this
let win = unsafeWindow
let hiVm = await api.wait.waitQuerySelector('#head-info-vm, #player-ctnr')
if (hiVm.id == 'player-ctnr') {
const frame = await api.wait.waitQuerySelector('iframe', hiVm)
win = frame.contentWindow
hiVm = await api.wait.waitQuerySelector('#head-info-vm', frame.contentDocument)
_self.addStyle(frame.contentDocument)
}
const rc = await api.wait.waitQuerySelector('.right-ctnr, .upper-right-ctnr', hiVm) // 无论如何都卡一下时间
await api.wait.waitForConditionPassed({
condition: () => hiVm.__vue__,
})
const cover = document.createElement('a')
cover.innerText = '获取封面'
cover.className = `${gm.id}-live-cover-btn`
rc.insertBefore(cover, rc.firstChild)
const preview = gm.config.preview && _self.method.createPreview(cover)
const url = getCover(win)
_self.method.setCover(cover, preview, url)
function getCover(win) {
return win.__NEPTUNE_IS_MY_WAIFU__?.roomInfoRes?.data?.room_info?.cover ?? win.__STORE__?.baseInfoRoom?.coverUrl
}
}
addStyle(doc = document) {
api.dom.addStyle(`
.${gm.id}-bangumi-cover-btn {
float: right;
cursor: pointer;
font-size: 12px;
margin-right: 16px;
line-height: 36px;
color: #505050;
}
.${gm.id}-bangumi-cover-btn:hover {
color: #0075ff;
}
.${gm.id}-live-cover-btn {
cursor: pointer;
color: #999999;
}
.${gm.id}-live-cover-btn:hover {
color: #23ADE5;
}
.${gm.id}-preview {
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
z-index: 142857;
max-width: 60vw; /* 自适应宽度和高度 */
max-height: 100vh;
display: none;
opacity: 0;
transition: opacity ${gm.const.fadeTime}ms ease-in-out;
cursor: pointer;
}
`, doc)
}
}
window.addEventListener('load', async function() {
if (GM_info.scriptHandler != 'Tampermonkey') {
api.dom.initUrlchangeEvent()
}
script = new Script()
webpage = new Webpage()
script.init()
script.initScriptMenu()
webpage.addStyle()
if (api.web.urlMatch([gm.regex.page_videoNormalMode, gm.regex.page_videoWatchlaterMode], 'OR')) {
webpage.initVideo()
} else if (api.web.urlMatch(gm.regex.page_bangumi)) {
webpage.initBangumi()
} else if (api.web.urlMatch(gm.regex.page_live)) {
webpage.initLive()
}
})
})()