518 lines
16 KiB
CoffeeScript
518 lines
16 KiB
CoffeeScript
class Board
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toString: -> @ID
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constructor: (@ID) ->
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@threads = {}
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@posts = {}
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g.boards[@] = @
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class Thread
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callbacks: []
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toString: -> @ID
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constructor: (ID, @board) ->
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@ID = +ID
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@fullID = "#{@board}.#{@ID}"
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@posts = {}
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g.threads["#{board}.#{@}"] = board.threads[@] = @
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kill: ->
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@isDead = true
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@timeOfDeath = Date.now()
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class Post
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callbacks: []
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toString: -> @ID
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constructor: (root, @thread, @board, that={}) ->
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@ID = +root.id[2..]
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@fullID = "#{@board}.#{@ID}"
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post = $ '.post', root
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info = $ '.postInfo', post
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@nodes =
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root: root
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post: post
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info: info
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comment: $ '.postMessage', post
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quotelinks: []
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backlinks: info.getElementsByClassName 'backlink'
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@info = {}
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if subject = $ '.subject', info
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@nodes.subject = subject
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@info.subject = subject.textContent
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if name = $ '.name', info
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@nodes.name = name
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@info.name = name.textContent
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if email = $ '.useremail', info
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@nodes.email = email
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@info.email = decodeURIComponent email.href[7..]
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if tripcode = $ '.postertrip', info
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@nodes.tripcode = tripcode
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@info.tripcode = tripcode.textContent
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if uniqueID = $ '.posteruid', info
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@nodes.uniqueID = uniqueID
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@info.uniqueID = uniqueID.firstElementChild.textContent
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if capcode = $ '.capcode', info
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@nodes.capcode = capcode
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@info.capcode = capcode.textContent
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if flag = $ '.countryFlag', info
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@nodes.flag = flag
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@info.flag = flag.title
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if date = $ '.dateTime', info
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@nodes.date = date
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@info.date = new Date date.dataset.utc * 1000
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@parseComment()
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@parseQuotes()
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if (file = $ '.file', post) and thumb = $ 'img[data-md5]', file
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# Supports JPG/PNG/GIF/PDF.
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# Flash files are not supported.
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alt = thumb.alt
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anchor = thumb.parentNode
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fileInfo = file.firstElementChild
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@file =
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info: fileInfo
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text: fileInfo.firstElementChild
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thumb: thumb
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URL: anchor.href
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size: alt.match(/[\d.]+\s\w+/)[0]
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MD5: thumb.dataset.md5
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isSpoiler: $.hasClass anchor, 'imgspoiler'
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size = +@file.size.match(/[\d.]+/)[0]
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unit = ['B', 'KB', 'MB', 'GB'].indexOf @file.size.match(/\w+$/)[0]
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size *= 1024 while unit-- > 0
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@file.sizeInBytes = size
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@file.thumbURL =
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if that.isArchived
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thumb.src
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else
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"#{location.protocol}//thumbs.4chan.org/#{board}/thumb/#{@file.URL.match(/(\d+)\./)[1]}s.jpg"
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# replace %22 with quotes, see:
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# crbug.com/81193
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# webk.it/62107
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# https://www.w3.org/Bugs/Public/show_bug.cgi?id=16909
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# http://www.whatwg.org/specs/web-apps/current-work/#multipart-form-data
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@file.name = $('span[title]', fileInfo).title.replace /%22/g, '"'
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if @file.isImage = /(jpg|png|gif)$/i.test @file.name
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@file.dimensions = @file.text.textContent.match(/\d+x\d+/)[0]
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unless @isReply = $.hasClass post, 'reply'
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@thread.OP = @
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@thread.isSticky = !!$ '.stickyIcon', @nodes.info
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@thread.isClosed = !!$ '.closedIcon', @nodes.info
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@clones = []
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g.posts["#{board}.#{@}"] = thread.posts[@] = board.posts[@] = @
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@kill() if that.isArchived
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parseComment: ->
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# Get the comment's text.
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# <br> -> \n
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# Remove:
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# 'Comment too long'...
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# Admin/Mod/Dev replies. (/q/)
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# EXIF data. (/p/)
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# Rolls. (/tg/)
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# Preceding and following new lines.
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# Trailing spaces.
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bq = @nodes.comment.cloneNode true
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for node in $$ '.abbr, .capcodeReplies, .exif, b', bq
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$.rm node
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text = []
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# XPathResult.ORDERED_NODE_SNAPSHOT_TYPE === 7
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nodes = d.evaluate './/br|.//text()', bq, null, 7, null
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for i in [0...nodes.snapshotLength]
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text.push if data = nodes.snapshotItem(i).data then data else '\n'
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@info.comment = text.join('').trim().replace /\s+$/gm, ''
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parseQuotes: ->
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quotes = {}
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for quotelink in $$ '.quotelink', @nodes.comment
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# Don't add board links. (>>>/b/)
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hash = quotelink.hash
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continue unless hash
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# Don't add catalog links. (>>>/b/catalog or >>>/b/search)
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pathname = quotelink.pathname
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continue if /catalog$/.test pathname
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# Don't add rules links. (>>>/a/rules)
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# Don't add text-board quotelinks. (>>>/img/1234)
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continue if quotelink.hostname isnt 'boards.4chan.org'
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@nodes.quotelinks.push quotelink
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# Don't count capcode replies as quotes. (Admin/Mod/Dev Replies: ...)
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continue if quotelink.parentNode.parentNode.className is 'capcodeReplies'
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# Basically, only add quotes that link to posts on an imageboard.
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quotes["#{pathname.split('/')[1]}.#{hash[2..]}"] = true
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return if @isClone
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@quotes = Object.keys quotes
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kill: (file, now) ->
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now or= new Date()
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if file
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@file.isDead = true
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@file.timeOfDeath = now
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$.addClass @nodes.root, 'deleted-file'
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else
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@isDead = true
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@timeOfDeath = now
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$.addClass @nodes.root, 'deleted-post'
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unless strong = $ 'strong.warning', @nodes.info
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strong = $.el 'strong',
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className: 'warning'
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textContent: '[Deleted]'
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$.after $('input', @nodes.info), strong
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strong.textContent = if file then '[File deleted]' else '[Deleted]'
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return if @isClone
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for clone in @clones
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clone.kill file, now
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return if file
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# Get quotelinks/backlinks to this post
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# and paint them (Dead).
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for quotelink in Get.allQuotelinksLinkingTo @
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continue if $.hasClass quotelink, 'deadlink'
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$.add quotelink, $.tn '\u00A0(Dead)'
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$.addClass quotelink, 'deadlink'
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return
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addClone: (context) ->
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new Clone @, context
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rmClone: (index) ->
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@clones.splice index, 1
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for clone in @clones[index..]
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clone.nodes.root.setAttribute 'data-clone', index++
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return
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class Clone extends Post
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constructor: (@origin, @context) ->
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for key in ['ID', 'fullID', 'board', 'thread', 'info', 'quotes', 'isReply']
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# Copy or point to the origin's key value.
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@[key] = origin[key]
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{nodes} = origin
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root = nodes.root.cloneNode true
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post = $ '.post', root
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info = $ '.postInfo', post
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@nodes =
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root: root
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post: post
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info: info
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comment: $ '.postMessage', post
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quotelinks: []
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backlinks: info.getElementsByClassName 'backlink'
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# Remove inlined posts inside of this post.
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for inline in $$ '.inline', post
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$.rm inline
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for inlined in $$ '.inlined', post
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$.rmClass inlined, 'inlined'
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root.hidden = false # post hiding
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$.rmClass root, 'forwarded' # quote inlining
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$.rmClass post, 'highlight' # keybind navigation, ID highlighting
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if nodes.subject
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@nodes.subject = $ '.subject', info
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if nodes.name
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@nodes.name = $ '.name', info
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if nodes.email
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@nodes.email = $ '.useremail', info
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if nodes.tripcode
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@nodes.tripcode = $ '.postertrip', info
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if nodes.uniqueID
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@nodes.uniqueID = $ '.posteruid', info
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if nodes.capcode
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@nodes.capcode = $ '.capcode', info
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if nodes.flag
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@nodes.flag = $ '.countryFlag', info
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if nodes.date
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@nodes.date = $ '.dateTime', info
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@parseQuotes()
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if origin.file
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# Copy values, point to relevant elements.
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# See comments in Post's constructor.
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@file = {}
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for key, val of origin.file
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@file[key] = val
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file = $ '.file', post
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@file.info = file.firstElementChild
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@file.text = @file.info.firstElementChild
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@file.thumb = $ 'img[data-md5]', file
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@file.fullImage = $ '.full-image', file
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@isDead = true if origin.isDead
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@isClone = true
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index = origin.clones.push(@) - 1
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root.setAttribute 'data-clone', index
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Main =
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init: ->
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# flatten Config into Conf
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# and get saved or default values
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flatten = (parent, obj) ->
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if obj instanceof Array
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Conf[parent] = obj[0]
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else if typeof obj is 'object'
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for key, val of obj
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flatten key, val
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else # string or number
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Conf[parent] = obj
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return
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flatten null, Config
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for key, val of Conf
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Conf[key] = $.get key, val
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pathname = location.pathname.split '/'
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g.BOARD = new Board pathname[1]
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g.VIEW =
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switch pathname[2]
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when 'res'
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'thread'
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when 'catalog'
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'catalog'
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else
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'index'
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if g.VIEW is 'thread'
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g.THREAD = +pathname[3]
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switch location.hostname
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when 'sys.4chan.org'
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Report.init()
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return
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when 'images.4chan.org'
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$.ready ->
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if Conf['404 Redirect'] and d.title is '4chan - 404 Not Found'
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url = Redirect.image pathname[1], pathname[3]
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location.href = url if url
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return
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initFeature = (name, module) ->
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# c.time "#{name} initialization"
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try
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module.init()
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catch err
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Main.handleErrors
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message: "\"#{name}\" initialization crashed."
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error: err
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# finally
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# c.timeEnd "#{name} initialization"
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# c.time 'All initializations'
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initFeature 'Polyfill', Polyfill
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initFeature 'Header', Header
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initFeature 'Settings', Settings
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initFeature 'Fourchan thingies', Fourchan
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initFeature 'Custom CSS', CustomCSS
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initFeature 'Resurrect Quotes', Quotify
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initFeature 'Filter', Filter
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initFeature 'Thread Hiding', ThreadHiding
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initFeature 'Reply Hiding', ReplyHiding
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initFeature 'Recursive', Recursive
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initFeature 'Strike-through Quotes', QuoteStrikeThrough
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initFeature 'Quick Reply', QR
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initFeature 'Menu', Menu
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initFeature 'Report Link', ReportLink
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initFeature 'Thread Hiding (Menu)', ThreadHiding.menu
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initFeature 'Reply Hiding (Menu)', ReplyHiding.menu
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initFeature 'Delete Link', DeleteLink
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initFeature 'Filter (Menu)', Filter.menu
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initFeature 'Download Link', DownloadLink
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initFeature 'Archive Link', ArchiveLink
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initFeature 'Quote Inlining', QuoteInline
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initFeature 'Quote Previewing', QuotePreview
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initFeature 'Quote Backlinks', QuoteBacklink
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initFeature 'Mark Quotes of You', QuoteYou
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initFeature 'Mark OP Quotes', QuoteOP
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initFeature 'Mark Cross-thread Quotes', QuoteCT
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initFeature 'Anonymize', Anonymize
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initFeature 'Time Formatting', Time
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initFeature 'Relative Post Dates', RelativeDates
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initFeature 'File Info Formatting', FileInfo
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initFeature 'Sauce', Sauce
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initFeature 'Image Expansion', ImageExpand
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initFeature 'Image Expansion (Menu)', ImageExpand.menu
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initFeature 'Reveal Spoilers', RevealSpoilers
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initFeature 'Auto-GIF', AutoGIF
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initFeature 'Image Hover', ImageHover
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initFeature 'Comment Expansion', ExpandComment
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initFeature 'Thread Expansion', ExpandThread
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initFeature 'Thread Excerpt', ThreadExcerpt
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initFeature 'Favicon', Favicon
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initFeature 'Unread', Unread
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initFeature 'Thread Stats', ThreadStats
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initFeature 'Thread Updater', ThreadUpdater
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initFeature 'Thread Watcher', ThreadWatcher
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initFeature 'Index Navigation', Nav
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initFeature 'Keybinds', Keybinds
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# c.timeEnd 'All initializations'
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$.on d, 'AddCallback', Main.addCallback
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$.on d, '4chanMainInit', Main.initStyle
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$.ready Main.initReady
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initStyle: ->
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return unless Main.isThisPageLegit()
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# disable the mobile layout
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$('link[href*=mobile]', d.head)?.disabled = true
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$.addClass doc, $.engine
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$.addClass doc, 'fourchan-x'
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$.addStyle Main.css
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if g.VIEW is 'catalog'
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$.addClass doc, $.id('base-css').href.match(/catalog_(\w+)/)[1].replace('_new', '').replace /_+/g, '-'
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return
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style = 'yotsuba-b'
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mainStyleSheet = $ 'link[title=switch]', d.head
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styleSheets = $$ 'link[rel="alternate stylesheet"]', d.head
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setStyle = ->
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$.rmClass doc, style
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for styleSheet in styleSheets
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if styleSheet.href is mainStyleSheet.href
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style = styleSheet.title.toLowerCase().replace('new', '').trim().replace /\s+/g, '-'
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break
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$.addClass doc, style
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setStyle()
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return unless mainStyleSheet
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if MutationObserver = window.MutationObserver or window.WebKitMutationObserver or window.OMutationObserver
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observer = new MutationObserver setStyle
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observer.observe mainStyleSheet,
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attributes: true
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attributeFilter: ['href']
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else
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# XXX this doesn't seem to work?
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$.on mainStyleSheet, 'DOMAttrModified', setStyle
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initReady: ->
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if d.title is '4chan - 404 Not Found'
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if Conf['404 Redirect'] and g.VIEW is 'thread'
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href = Redirect.to
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board: g.BOARD
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threadID: g.THREAD
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postID: location.hash
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location.href = href or "/#{g.BOARD}/"
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return
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unless $.hasClass doc, 'fourchan-x'
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# Something might have gone wrong!
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Main.initStyle()
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if board = $ '.board'
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threads = []
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posts = []
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for boardChild in board.children
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continue unless $.hasClass boardChild, 'thread'
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thread = new Thread boardChild.id[1..], g.BOARD
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threads.push thread
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for threadChild in boardChild.children
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continue unless $.hasClass threadChild, 'postContainer'
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try
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posts.push new Post threadChild, thread, g.BOARD
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catch err
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# Skip posts that we failed to parse.
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unless errors
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errors = []
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errors.push
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message: "Parsing of Post No.#{threadChild.id.match(/\d+/)} failed. Post will be skipped."
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error: err
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Main.handleErrors errors if errors
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Main.callbackNodes Thread, threads
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Main.callbackNodes Post, posts
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$.event '4chanXInitFinished'
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callbackNodes: (klass, nodes) ->
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# get the nodes' length only once
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len = nodes.length
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for callback in klass::callbacks
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# c.profile callback.name
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for i in [0...len]
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node = nodes[i]
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try
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callback.cb.call node
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catch err
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unless errors
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errors = []
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errors.push
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message: "\"#{callback.name}\" crashed on #{klass.name} No.#{node} (/#{node.board}/)."
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error: err
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# c.profileEnd callback.name
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Main.handleErrors errors if errors
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addCallback: (e) ->
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obj = e.detail
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Klass = if obj.type is 'Post'
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Post
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else
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Thread
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obj.callback.isAddon = true
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Klass::callbacks.push obj.callback
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handleErrors: (errors) ->
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unless 'length' of errors
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error = errors
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else if errors.length is 1
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error = errors[0]
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if error
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new Notification 'error', Main.parseError(error), 15
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return
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div = $.el 'div',
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innerHTML: "#{errors.length} errors occured. [<a href=javascript:;>show</a>]"
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$.on div.lastElementChild, 'click', ->
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if @textContent is 'show'
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@textContent = 'hide'
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logs.hidden = false
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else
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@textContent = 'show'
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logs.hidden = true
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logs = $.el 'div',
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hidden: true
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for error in errors
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$.add logs, Main.parseError error
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new Notification 'error', [div, logs], 30
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parseError: (data) ->
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{message, error} = data
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c.log message, error.stack
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message = $.el 'div',
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textContent: message
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error = $.el 'div',
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textContent: error
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[message, error]
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isThisPageLegit: ->
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# 404 error page or similar.
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unless 'thisPageIsLegit' of Main
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Main.thisPageIsLegit = !$('link[href*="favicon-status.ico"]', d.head) and d.title isnt '4chan - Temporarily Offline'
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Main.thisPageIsLegit
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css: """
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<%= grunt.file.read('css/style.css') %>
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<%= grunt.file.read('css/yotsuba.css') %>
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<%= grunt.file.read('css/yotsuba-b.css') %>
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<%= grunt.file.read('css/futaba.css') %>
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<%= grunt.file.read('css/burichan.css') %>
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<%= grunt.file.read('css/tomorrow.css') %>
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<%= grunt.file.read('css/photon.css') %>
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"""
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Main.init()
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