4chan-x/src/Monitoring/ThreadUpdater.coffee
2014-06-19 15:17:19 +02:00

251 lines
8.3 KiB
CoffeeScript

ThreadUpdater =
init: ->
return if g.VIEW isnt 'thread' or !Conf['Thread Updater']
@button = $.el 'a',
className: 'thread-refresh-shortcut fa fa-refresh'
title: 'Refresh Thread'
href: 'javascript:;'
$.on @button, 'click', @update
Header.addShortcut @button, 1
html = ''
for name, conf of Config.updater.checkbox
checked = if Conf[name] then 'checked' else ''
html += "<div><label title='#{conf[1]}'><input name='#{name}' type=checkbox #{checked}> #{name}</label></div>"
html = <%= importHTML('Monitoring/ThreadUpdater') %>
@dialog = UI.dialog 'updater', 'bottom: 0; right: 0;', html
@timer = $ '#update-timer', @dialog
@status = $ '#update-status', @dialog
@isUpdating = Conf['Auto Update']
Thread.callbacks.push
name: 'Thread Updater'
cb: @node
node: ->
ThreadUpdater.thread = @
ThreadUpdater.root = @OP.nodes.root.parentNode
ThreadUpdater.lastPost = +Object.keys(@posts).sort()[-1..][0]
for input in $$ 'input', ThreadUpdater.dialog
if input.type is 'checkbox'
$.on input, 'change', $.cb.checked
switch input.name
when 'Scroll BG'
$.on input, 'change', ThreadUpdater.cb.scrollBG
ThreadUpdater.cb.scrollBG()
when 'Auto Update This'
$.off input, 'change', $.cb.checked
$.on input, 'change', ThreadUpdater.cb.autoUpdate
when 'Interval'
$.on input, 'change', ThreadUpdater.cb.interval
ThreadUpdater.cb.interval.call input
when 'Update'
$.on input, 'click', ThreadUpdater.update
$.on window, 'online offline', ThreadUpdater.cb.online
$.on d, 'QRPostSuccessful', ThreadUpdater.cb.post
$.on d, 'visibilitychange', ThreadUpdater.cb.visibility
ThreadUpdater.cb.online()
$.add d.body, ThreadUpdater.dialog
beep: 'data:audio/wav;base64,<%= grunt.file.read("audio/beep.wav", {encoding: "base64"}) %>'
cb:
online: ->
if navigator.onLine
ThreadUpdater.outdateCount = 0
ThreadUpdater.setInterval()
ThreadUpdater.set 'status', null, null
else
ThreadUpdater.set 'timer', null
ThreadUpdater.set 'status', 'Offline', 'warning'
ThreadUpdater.count true
post: (e) ->
return unless ThreadUpdater.isUpdating and e.detail.threadID is ThreadUpdater.thread.ID
ThreadUpdater.outdateCount = 0
setTimeout ThreadUpdater.update, 1000 if ThreadUpdater.seconds > 2
visibility: ->
return if d.hidden
# Reset the counter when we focus this tab.
ThreadUpdater.outdateCount = 0
ThreadUpdater.seconds = Math.min ThreadUpdater.seconds, ThreadUpdater.interval
scrollBG: ->
ThreadUpdater.scrollBG = if Conf['Scroll BG']
-> true
else
-> not d.hidden
autoUpdate: (e) ->
ThreadUpdater.count ThreadUpdater.isUpdating = @checked
interval: (e) ->
val = Math.max 5, parseInt @value, 10
ThreadUpdater.interval = @value = val
$.cb.value.call @ if e
load: (e) ->
$.rmClass ThreadUpdater.button, 'fa-spin'
{req} = ThreadUpdater
delete ThreadUpdater.req
if e.type isnt 'loadend' # timeout or abort
req.onloadend = null
if e.type is 'timeout'
ThreadUpdater.set 'status', 'Retrying', null
ThreadUpdater.update()
return
switch req.status
when 200
g.DEAD = false
ThreadUpdater.parse req.response.posts
ThreadUpdater.setInterval()
when 404
g.DEAD = true
ThreadUpdater.set 'timer', null
ThreadUpdater.set 'status', '404', 'warning'
ThreadUpdater.thread.kill()
$.event 'ThreadUpdate',
404: true
threadID: ThreadUpdater.thread.fullID
else
ThreadUpdater.outdateCount++
ThreadUpdater.setInterval()
[text, klass] = if req.status is 304
[null, null]
else
["#{req.statusText} (#{req.status})", 'warning']
ThreadUpdater.set 'status', text, klass
setInterval: ->
i = ThreadUpdater.interval
j = Math.min ThreadUpdater.outdateCount, 10
unless d.hidden
# Lower the max refresh rate limit on visible tabs.
j = Math.min j, 7
ThreadUpdater.seconds = Math.max i, [0, 5, 10, 15, 20, 30, 60, 90, 120, 240, 300][j]
ThreadUpdater.set 'timer', ThreadUpdater.seconds
ThreadUpdater.count true
set: (name, text, klass) ->
el = ThreadUpdater[name]
if node = el.firstChild
# Prevent the creation of a new DOM Node
# by setting the text node's data.
node.data = text
else
el.textContent = text
el.className = klass if klass isnt undefined
count: (start) ->
clearTimeout ThreadUpdater.timeoutID
ThreadUpdater.timeout() if start and ThreadUpdater.isUpdating and navigator.onLine
timeout: ->
ThreadUpdater.timeoutID = setTimeout ThreadUpdater.timeout, 1000
sec = ThreadUpdater.seconds--
ThreadUpdater.set 'timer', sec
ThreadUpdater.update() if sec <= 0
update: ->
return unless navigator.onLine
$.addClass ThreadUpdater.button, 'fa-spin'
ThreadUpdater.count()
ThreadUpdater.set 'timer', '...'
ThreadUpdater.req?.abort()
url = "//a.4cdn.org/#{ThreadUpdater.thread.board}/thread/#{ThreadUpdater.thread}.json"
ThreadUpdater.req = $.ajax url,
onabort: ThreadUpdater.cb.load
onloadend: ThreadUpdater.cb.load
ontimeout: ThreadUpdater.cb.load
timeout: $.MINUTE
,
whenModified: true
updateThreadStatus: (type, status) ->
return unless hasChanged = ThreadUpdater.thread["is#{type}"] isnt status
ThreadUpdater.thread.setStatus type, status
change = if type is 'Sticky'
if status
'now a sticky'
else
'not a sticky anymore'
else
if status
'now closed'
else
'not closed anymore'
new Notice 'info', "The thread is #{change}.", 30
parse: (postObjects) ->
OP = postObjects[0]
Build.spoilerRange[ThreadUpdater.thread.board] = OP.custom_spoiler
ThreadUpdater.updateThreadStatus 'Sticky', !!OP.sticky
ThreadUpdater.updateThreadStatus 'Closed', !!OP.closed
ThreadUpdater.thread.postLimit = !!OP.bumplimit
ThreadUpdater.thread.fileLimit = !!OP.imagelimit
nodes = [] # post container elements
posts = [] # post objects
index = [] # existing posts
files = [] # existing files
count = 0 # new posts count
# Build the index, create posts.
for postObject in postObjects
num = postObject.no
index.push num
files.push num if postObject.fsize
continue if num <= ThreadUpdater.lastPost
# Insert new posts, not older ones.
count++
node = Build.postFromObject postObject, ThreadUpdater.thread.board.ID
nodes.push node
posts.push new Post node, ThreadUpdater.thread, ThreadUpdater.thread.board
# Check for deleted posts/files.
for ID, post of ThreadUpdater.thread.posts
# XXX tmp fix for 4chan's racing condition
# giving us false-positive dead posts.
# continue if post.isDead
ID = +ID
if post.isDead and ID in index
post.resurrect()
else unless ID in index
post.kill()
else if post.file and !post.file.isDead and ID not in files
post.kill true
sendEvent = ->
$.event 'ThreadUpdate',
404: false
threadID: ThreadUpdater.thread.fullID
newPosts: posts.map (post) -> post.fullID
postCount: OP.replies + 1
fileCount: OP.images + (!!ThreadUpdater.thread.OP.file and !ThreadUpdater.thread.OP.file.isDead)
unless count
ThreadUpdater.set 'status', null, null
ThreadUpdater.outdateCount++
sendEvent()
return
ThreadUpdater.set 'status', "+#{count}", 'new'
ThreadUpdater.outdateCount = 0
if Conf['Beep'] and d.hidden and Unread.posts and !Unread.posts.length
unless ThreadUpdater.audio
ThreadUpdater.audio = $.el 'audio', src: ThreadUpdater.beep
ThreadUpdater.audio.play()
ThreadUpdater.lastPost = posts[count - 1].ID
Main.callbackNodes Post, posts
scroll = Conf['Auto Scroll'] and ThreadUpdater.scrollBG() and Header.getBottomOf(ThreadUpdater.root) > -25
$.add ThreadUpdater.root, nodes
sendEvent()
if scroll
if Conf['Bottom Scroll']
window.scrollTo 0, d.body.clientHeight
else
Header.scrollTo nodes[0]