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class RightMenu {
constructor() {
this.selectTextNow = ""
this.domhref = ""
this.domImgSrc = ""
this.globalEvent = null
this.downloadimging = false
this.rmWidth = 0
this.rmHeight = 0
this.toLocal = btf.saveToLocal.get('rightside-status')
this.isEnabled = !this.toLocal || this.toLocal !== 'off' ? true : false
this.initialize()
window.rightMenu = undefined
}
initialize() {
window.addEventListener('load', () => {
this.addRightMenuClickEvent()
document.onmouseup = document.ondbclick = this.selceText.bind(this)
btf.addGlobalFn('pjaxComplete', () => { this.addRightMenuClickEvent() }, 'addRightMenuClickEvent')
})
window.oncontextmenu = (e) => this.onContextMenu(e)
}
enable() {
this.isEnabled = true
typeof !window.rightMenu && (window.rightMenu = {
getSelectTextNow: () => rightMenu.getSelectTextNow()
})
}
disable() {
this.isEnabled = false
typeof window.rightMenu && (window.rightMenu = undefined)
}
addRightMenuClickEvent() {
const menuItems = {
"rightMenu-mask": [this.hideRightMenu.bind(this)],
"menu-backward": [() => { window.history.back(); this.hideRightMenu() }],
"menu-forward": [() => { window.history.forward(); this.hideRightMenu() }],
"menu-refresh": [() => { this.hideRightMenu(); window.location.reload() }],
"menu-top": [() => { this.hideRightMenu(); btf.scrollToDest(0, 500) }],
"menu-darkmode": [() => { this.hideRightMenu(); document.querySelector('#darkmode').click() }],
"menu-translate": [() => { this.hideRightMenu(); typeof rightSideFn === 'object' && rightSideFn.translateLink() }],
"menu-reading": [() => { this.hideRightMenu(); document.querySelector('#readmode').click() }],
"menu-postlink": [this.copyPostUrl.bind(this)],
"menu-search": [this.hideRightMenu.bind(this)],
"menu-asidehide": [() => { this.hideRightMenu(); document.querySelector('#hide-aside-btn').click() }],
"menu-copytext": [() => { this.rightmenuCopyText(this.selectTextNow); GLOBAL_CONFIG.Snackbar !== undefined && btf.snackbarShow("复制成功，复制和转载请标注本文地址") }],
"menu-commenttext": [() => { commentText(this.selectTextNow); this.hideRightMenu() }],
"menu-searchBaidu": [this.searchBaidu.bind(this)],
"menu-newwindow": [() => { window.open(this.domhref); this.hideRightMenu() }],
"menu-copylink": [() => { this.rightmenuCopyText(this.domhref); GLOBAL_CONFIG.Snackbar !== undefined && btf.snackbarShow("已复制链接地址") }],
"menu-pastetext": [this.pasteText.bind(this)],
"menu-copylinkimg": [() => { this.rightmenuCopyText(this.domImgSrc); GLOBAL_CONFIG.Snackbar !== undefined && btf.snackbarShow("已复制图片链接") }],
"menu-copyimg": [() => { this.copyImage(this.domImgSrc) }],
"menu-downloadimg": [() => { this.downloadImage(this.domImgSrc, "MeuiCat") }],
"menu-commentBarrage": [() => { this.hideRightMenu(); typeof comment === 'object' && comment.closeBarrage() }],
"menu-randomPost": [() => { this.hideRightMenu(); toRandomPost() }]
}
for (let id in menuItems) {
const element = document.getElementById(id)
if (element) menuItems[id].forEach(fn => { element.addEventListener("click", fn) })
}
document.getElementById("rightMenu-mask").addEventListener("contextmenu", () => {
this.hideRightMenu()
return false
})
}
reloadrmSize() {
const menu = document.getElementById("rightMenu")
this.rmWidth = menu.offsetWidth
this.rmHeight = menu.offsetHeight
}
showRightMenu(more, mouseY = 0, mouseX = 0) {
const rightMenu = document.getElementById("rightMenu")
if (more) {
rightMenu.style.display = "block"
this.reloadrmSize()
mouseX + this.rmWidth + 20 > window.innerWidth && (mouseX -= this.rmWidth + 20)
mouseY + this.rmHeight > window.innerHeight && (mouseY -= mouseY + this.rmHeight - window.innerHeight + 20)
rightMenu.style.top = mouseY + "px"
rightMenu.style.left = mouseX + "px"
document.getElementById("rightMenu-mask").style.display = "flex"
this.stopMaskScroll()
} else {
rightMenu.style.display = "none"
}
}
hideRightMenu() {
this.showRightMenu(false)
document.getElementById("rightMenu-mask").style.display = "none"
}
getSelectTextNow() {
return this.selectTextNow
}
stopMaskScroll() {
const elements = ["rightMenu-mask", "rightMenu"]
elements.forEach(id => {
const element = document.getElementById(id)
if (element) element.addEventListener("mousewheel", this.hideRightMenu.bind(this), false)
})
}
selceText() {
this.selectTextNow = window.getSelection ? window.getSelection().toString() : document.selection ? document.selection.createRange().text : ""
}
copyPostUrl() {
this.copyUrl(window.location.href)
GLOBAL_CONFIG.Snackbar !== undefined && btf.snackbarShow("复制本页链接地址成功", false, 2000)
this.hideRightMenu()
}
searchBaidu() {
GLOBAL_CONFIG.Snackbar !== undefined && btf.snackbarShow("即将跳转到百度搜索", false, 2000)
setTimeout(() => { window.open("https://www.baidu.com/s?wd=" + this.selectTextNow) }, 2000)
this.hideRightMenu()
}
pasteText() {
if (navigator.clipboard) navigator.clipboard.readText().then((text) => this.insertAtCaret(this.globalEvent.target, text))
this.hideRightMenu()
}
insertAtCaret(input, text) {
const start = input.selectionStart
const end = input.selectionEnd
if (document.selection) {
input.focus()
document.selection.createRange().text = text
input.focus()
} else if (start || start === 0) {
const scrollTop = input.scrollTop
input.value = input.value.substring(0, start) + text + input.value.substring(end, input.value.length)
input.focus()
input.selectionStart = start + text.length
input.selectionEnd = start + text.length
input.scrollTop = scrollTop
} else {
input.value += text
input.focus()
}
}
rightmenuCopyText(text) {
if (navigator.clipboard) navigator.clipboard.writeText(text)
this.hideRightMenu()
}
imageToBlob(imgSrc, options = {}) {
const { fileName, action = "download", callback } = options
const canvas = document.createElement("canvas")
const context = canvas.getContext("2d")
const img = new Image()
img.crossOrigin = 'anonymous'
img.src = imgSrc
return new Promise((resolve, reject) => {
img.onload = function () {
canvas.width = img.width
canvas.height = img.height
context.drawImage(this, 0, 0)
if (action === 'copy') {
canvas.toBlob((blob) => {
const item = new ClipboardItem({ "image/png": blob })
navigator.clipboard.write([item]).then(() => {
callback && callback("复制成功！图片已添加盲水印，请遵守版权协议")
resolve()
})
}, "image/png", 0.75)
} else if (action === 'download') {
const dataURL = canvas.toDataURL("image/png")
const a = document.createElement("a")
const event = new MouseEvent("click")
a.download = fileName || "image.png"
a.href = dataURL
a.dispatchEvent(event)
callback && callback("图片已添加盲水印，请遵守版权协议")
resolve()
}
}
img.onerror = () => {
callback && callback("图片加载失败，请检查跨域或网络连接")
reject(new Error("Image load error"))
}
})
}
copyImage(imgSrc) {
this.hideRightMenu()
const time = window.location.hostname === "localhost" || window.location.hostname === "127.0.0.1" ? 0 : 5000
if (this.downloadimging) return GLOBAL_CONFIG.Snackbar !== undefined && btf.snackbarShow("有正在进行中的任务，请稍后再试", false, time)
this.downloadimging = true
setTimeout(() => {
this.imageToBlob(imgSrc, {
action: "copy",
callback: (msg) => {
GLOBAL_CONFIG.Snackbar !== undefined && btf.snackbarShow(msg)
this.downloadimging = false
}
})
}, time)
}
downloadImage(imgSrc, fileName) {
this.hideRightMenu()
if (this.downloadimging) return GLOBAL_CONFIG.Snackbar !== undefined && btf.snackbarShow("有正在进行中的下载，请稍后再试")
this.downloadimging = true
GLOBAL_CONFIG.Snackbar !== undefined && btf.snackbarShow("正在下载中，请稍后", false, 10000)
setTimeout(() => {
this.imageToBlob(imgSrc, {
action: "download",
fileName: fileName,
callback: (msg) => {
GLOBAL_CONFIG.Snackbar !== undefined && btf.snackbarShow(msg)
this.downloadimging = false
}
})
}, 10000)
}
onContextMenu(e) {
if (this.isEnabled && document.body.clientWidth > 768) {
const mouseX = e.clientX + 12,
mouseY = e.clientY,
target = e.target,
menus = {
rightMenuPost: document.querySelector(".rightMenuPost"),
rightMenuPlugin: document.querySelector(".rightMenuPlugin"),
rightMenuOther: document.querySelector(".rightMenuOther"),
},
menuItems = {
menuCopyText: { element: document.getElementById("menu-copytext"), condition: () => this.selectTextNow && window.getSelection },
menuCommentText: { element: document.getElementById("menu-commenttext"), condition: () => this.selectTextNow && document.getElementById("post-comment") },
menuSearch: { element: document.getElementById("menu-search"), condition: () => this.selectTextNow },
menuSearchBaidu: { element: document.getElementById("menu-searchBaidu"), condition: () => this.selectTextNow },
menuNewWindow: { element: document.getElementById("menu-newwindow"), condition: () => !!target.href },
menuCopyLink: { element: document.getElementById("menu-copylink"), condition: () => !!target.href },
menuCopyImage: { element: document.getElementById("menu-copyimg"), condition: () => !!target.currentSrc },
menuDownloadImage: { element: document.getElementById("menu-downloadimg"), condition: () => !!target.currentSrc },
menuPasteText: { element: document.getElementById("menu-pastetext"), condition: () => ["input", "textarea"].includes(target.tagName.toLowerCase()) },
}
this.domhref = target.href || ""
this.domImgSrc = target.src || ""
Object.values(menuItems).forEach(({ element, condition }) => { if (element) element.style.display = condition() ? "block" : "none" })
const isTextSelected = Object.values(menuItems).some(({ condition }) => condition())
menus.rightMenuPost.style.display = isTextSelected || !!target.href || !!target.currentSrc ? "none" : document.querySelector("#body-wrap.post") ? "block" : "none"
menus.rightMenuPlugin.style.display = isTextSelected ? "block" : "none"
menus.rightMenuOther.style.display = isTextSelected ? "none" : "block"
const isReadMode = document.querySelector(".read-mode");
["menu-commentBarrage", "menu-postlink", "menu-randomPost", "menu-asidehide"].forEach((id) => {
const element = document.getElementById(id)
if (element) element.style.display = isReadMode ? "none" : "block"
})
this.showRightMenu(e, mouseY, mouseX)
e.preventDefault()
return false
} else {
return true
}
}
}
const rightMenu = new RightMenu()
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