4chan-x/src/Images/Gallery.coffee
2014-07-10 23:03:21 -07:00

303 lines
9.1 KiB
CoffeeScript

Gallery =
init: ->
return if g.VIEW is 'catalog' or g.BOARD is 'f' or !Conf['Gallery']
@delay = Conf['Slide Delay']
el = $.el 'a',
href: 'javascript:;'
id: 'appchan-gal'
title: 'Gallery'
className: 'fa fa-picture-o'
textContent: 'Gallery'
$.on el, 'click', @cb.toggle
Header.addShortcut el
Post.callbacks.push
name: 'Gallery'
cb: @node
node: ->
return unless @file
if Gallery.nodes
Gallery.generateThumb $ '.file', @nodes.root
Gallery.nodes.total.textContent = Gallery.images.length
unless Conf['Image Expansion']
$.on @file.thumb.parentNode, 'click', Gallery.cb.image
build: (image) ->
Gallery.images = []
nodes = Gallery.nodes = {}
Gallery.fullIDs = {}
Gallery.slideshow = false
nodes.el = dialog = $.el 'div',
id: 'a-gallery'
innerHTML: <%= importHTML('Features/Gallery') %>
nodes[key] = $ value, dialog for key, value of {
buttons: '.gal-buttons'
name: '.gal-name'
count: '.count'
total: '.total'
frame: '.gal-image'
next: '.gal-image a'
current: '.gal-image img'
thumbs: '.gal-thumbnails'
}
menuButton = $ '.menu-button', dialog
nodes.menu = new UI.Menu 'gallery'
{cb} = Gallery
$.on nodes.frame, 'click', cb.blank
$.on nodes.next, 'click', cb.click
$.on $('.gal-prev', dialog), 'click', cb.prev
$.on $('.gal-next', dialog), 'click', cb.next
$.on $('.gal-start', dialog), 'click', cb.start
$.on $('.gal-stop', dialog), 'click', cb.stop
$.on $('.gal-close', dialog), 'click', cb.close
$.on menuButton, 'click', (e) ->
nodes.menu.toggle e, @, g
for entry in Gallery.menu.createSubEntries()
entry.order = 0
nodes.menu.addEntry entry
$.on d, 'keydown', cb.keybinds
$.off d, 'keydown', Keybinds.keydown
Gallery.generateThumb file for file in $$ '.post .file' when !$ '.fileDeletedRes, .fileDeleted', file
$.add d.body, dialog
nodes.thumbs.scrollTop = 0
nodes.current.parentElement.scrollTop = 0
Gallery.cb.open.call if image
$ "[href='#{image.href.replace /https?:/, ''}']", nodes.thumbs
else
Gallery.images[0]
d.body.style.overflow = 'hidden'
nodes.total.textContent = Gallery.images.length
generateThumb: (file) ->
post = Get.postFromNode file
return unless post.file and (post.file.isImage or post.file.isVideo or Conf['PDF in Gallery'])
return if Gallery.fullIDs[post.fullID]
Gallery.fullIDs[post.fullID] = true
title = ($ '.fileText a', file).textContent
thumb = $.el 'a',
className: 'gal-thumb'
href: post.file.URL
target: '_blank'
title: title
thumb.dataset.id = Gallery.images.length
thumb.dataset.post = post.fullID
thumbImg = post.file.thumb.cloneNode false
thumbImg.style.cssText = ''
$.add thumb, thumbImg
$.on thumb, 'click', Gallery.cb.open
Gallery.images.push thumb
$.add Gallery.nodes.thumbs, thumb
cb:
keybinds: (e) ->
return unless key = Keybinds.keyCode e
cb = switch key
when 'Esc', Conf['Open Gallery']
Gallery.cb.close
when 'Right'
Gallery.cb.next
when 'Enter'
Gallery.cb.enterKey
when 'Left', ''
Gallery.cb.prev
when 'p'
Gallery.cb.pause
when 's'
Gallery.cb.toggleSlideshow
return unless cb
e.stopPropagation()
e.preventDefault()
cb()
open: (e) ->
e.preventDefault() if e
return unless @
{nodes} = Gallery
{name} = nodes
slideshow = Gallery.slideshow and +@dataset.id > +nodes.current.dataset.id
$.rmClass el, 'gal-highlight' if el = $ '.gal-highlight', nodes.thumbs
$.addClass @, 'gal-highlight'
elType = 'img'
elType = 'video' if /\.webm$/.test(@href)
elType = 'iframe' if /\.pdf$/.test(@href)
$[if elType is 'iframe' then 'addClass' else 'rmClass'] doc, 'gal-pdf'
file = $.el elType,
title: name.download = name.textContent = @title
$.on file, 'error', =>
Gallery.cb.error file, @
file.src = name.href = @href
$.extend file.dataset, @dataset
nodes.current.pause?()
$.replace nodes.current, file
Video.configure file if elType is 'video'
nodes.count.textContent = +@dataset.id + 1
nodes.current = file
nodes.frame.scrollTop = 0
nodes.next.focus()
Gallery.cb[if slideshow then 'setupTimer' else 'stop']()
# Center selected thumbnail
nodes.thumbs.scrollTop = @offsetTop + @offsetHeight/2 - nodes.thumbs.clientHeight/2
image: (e) ->
e.preventDefault()
e.stopPropagation()
Gallery.build @
error: (file, thumb) ->
post = g.posts[file.dataset.post]
src = file.src.split '/'
if src[2] is 'i.4cdn.org'
URL = Redirect.to 'file',
boardID: src[3]
filename: src[src.length - 1]
if URL
thumb.href = URL
return unless Gallery.nodes.current is file
file.src = URL
return
if g.DEAD or post.isDead or post.file.isDead
return
# XXX CORS for i.4cdn.org WHEN?
$.ajax "//a.4cdn.org/#{post.board}/thread/#{post.thread}.json", onload: ->
return if @status isnt 200
i = 0
{posts} = @response
while postObj = posts[i++]
break if postObj.no is post.ID
unless postObj.no
return post.kill()
if postObj.filedeleted
post.kill true
prev: -> Gallery.cb.open.call Gallery.images[+Gallery.nodes.current.dataset.id - 1]
next: -> Gallery.cb.open.call Gallery.images[+Gallery.nodes.current.dataset.id + 1]
enterKey: -> if Gallery.nodes.current.paused then Gallery.nodes.current.play() else Gallery.cb.next()
click: -> Gallery.cb[if Gallery.nodes.current.controls then 'stop' else 'enterKey']()
toggle: -> (if Gallery.nodes then Gallery.cb.close else Gallery.build)()
blank: (e) -> Gallery.cb.close() if e.target is @
toggleSlideshow: -> Gallery.cb[if Gallery.slideshow then 'stop' else 'start']()
pause: ->
Gallery.cb.stop()
{current} = Gallery.nodes
current[if current.paused then 'play' else 'pause']() if current.nodeName is 'VIDEO'
cleanupTimer: ->
clearTimeout Gallery.timeoutID
{current} = Gallery.nodes
$.off current, 'canplaythrough load', Gallery.cb.startTimer
$.off current, 'ended', Gallery.cb.next
setupTimer: ->
Gallery.cb.cleanupTimer()
{current} = Gallery.nodes
isVideo = current.nodeName is 'VIDEO'
Video.start current if isVideo
return Gallery.cb.stop() if !Gallery.images[+Gallery.nodes.current.dataset.id + 1]
if (if isVideo then current.readyState > 4 else current.complete) or current.nodeName is 'IFRAME'
Gallery.cb.startTimer()
else
$.on current, (if isVideo then 'canplaythrough' else 'load'), Gallery.cb.startTimer
startTimer: ->
Gallery.timeoutID = setTimeout Gallery.cb.checkTimer, Gallery.delay * $.SECOND
checkTimer: ->
{current} = Gallery.nodes
if current.nodeName is 'VIDEO' and !current.paused
$.on current, 'ended', Gallery.cb.next
current.loop = false
else
Gallery.cb.next()
start: ->
$.addClass Gallery.nodes.buttons, 'gal-playing'
Gallery.slideshow = true
Gallery.cb.setupTimer()
stop: ->
return unless Gallery.slideshow
Gallery.cb.cleanupTimer()
{current} = Gallery.nodes
current.loop = true if current.nodeName is 'VIDEO'
$.rmClass Gallery.nodes.buttons, 'gal-playing'
Gallery.slideshow = false
close: ->
Gallery.nodes.current.pause?()
$.rm Gallery.nodes.el
delete Gallery.nodes
delete Gallery.fullIDs
d.body.style.overflow = ''
$.off d, 'keydown', Gallery.cb.keybinds
$.on d, 'keydown', Keybinds.keydown
clearTimeout Gallery.timeoutID
setFitness: ->
(if @checked then $.addClass else $.rmClass) doc, "gal-#{@name.toLowerCase().replace /\s+/g, '-'}"
setDelay: -> Gallery.delay = +@value
menu:
init: ->
return if g.VIEW is 'catalog' or !Conf['Gallery']
el = $.el 'span',
textContent: 'Gallery'
className: 'gallery-link'
Header.menu.addEntry
el: el
order: 105
subEntries: Gallery.menu.createSubEntries()
createSubEntry: (name) ->
label = UI.checkbox name, " #{name}"
input = label.firstElementChild
$.on input, 'change', Gallery.cb.setFitness
$.event 'change', null, input
$.on input, 'change', $.cb.checked
el: label
createSubEntries: ->
subEntries = ['Hide Thumbnails', 'Fit Width', 'Fit Height'].map Gallery.menu.createSubEntry
delayLabel = $.el 'label', innerHTML: 'Slide Delay: <input type="number" name="Slide Delay" min="0" step="any" class="field">'
delayInput = delayLabel.firstElementChild
delayInput.value = Gallery.delay
$.on delayInput, 'change', Gallery.cb.setDelay
$.on delayInput, 'change', $.cb.value
subEntries.push el: delayLabel
subEntries