4chan-x/src/Images/ImageCommon.coffee

82 lines
2.5 KiB
CoffeeScript

ImageCommon =
rewind: (el) ->
if el.nodeName is 'VIDEO'
el.currentTime = 0 if el.readyState >= el.HAVE_METADATA
else if /\.gif$/.test el.src
$.queueTask -> el.src = el.src
pushCache: (el) ->
ImageCommon.cache = el
$.on el, 'error', ImageCommon.cacheError
popCache: ->
el = ImageCommon.cache
$.off el, 'error', ImageCommon.cacheError
delete ImageCommon.cache
el
cacheError: ->
delete ImageCommon.cache if ImageCommon.cache is @
decodeError: (file, post) ->
return false unless file.error?.code is MediaError.MEDIA_ERR_DECODE
unless message = $ '.warning', post.file.thumb.parentNode
message = $.el 'div', className: 'warning'
$.after post.file.thumb, message
message.textContent = 'Error: Corrupt or unplayable video'
return true
error: (file, post, delay, cb) ->
src = post.file.URL.split '/'
URL = Redirect.to 'file',
boardID: post.board.ID
filename: src[src.length - 1]
unless Conf['404 Redirect'] and URL and Redirect.securityCheck URL
URL = null
return cb URL if (post.isDead or post.file.isDead) and file.src.split('/')[2] is 'i.4cdn.org'
timeoutID = setTimeout (-> cb URL), delay if delay?
return if post.isDead or post.file.isDead
redirect = ->
if file.src.split('/')[2] is 'i.4cdn.org'
clearTimeout timeoutID if delay?
cb URL
<% if (type === 'crx') { %>
$.ajax post.file.URL,
onloadend: ->
if @status is 200
URL = post.file.URL
else
post.kill true if @status is 404
redirect()
,
type: 'head'
<% } else { %>
# XXX CORS for i.4cdn.org WHEN?
$.ajax "//a.4cdn.org/#{post.board}/thread/#{post.thread}.json", onload: ->
post.kill() if @status is 404
return redirect() if @status isnt 200
for postObj in @response.posts
break if postObj.no is post.ID
if postObj.no isnt post.ID
post.kill()
redirect()
else if postObj.filedeleted
post.kill true
redirect()
else
URL = post.file.URL
<% } %>
# Add controls, but not until the mouse is moved over the video.
addControls: (video) ->
handler = ->
$.off video, 'mouseover', handler
# Hacky workaround for Firefox forever-loading bug for very short videos
t = new Date().getTime()
$.asap (-> chrome? or (video.readyState >= 3 and video.currentTime <= Math.max 0.1, (video.duration - 0.5)) or new Date().getTime() >= t + 1000), ->
video.controls = true
$.on video, 'mouseover', handler