339 lines
10 KiB
CoffeeScript
339 lines
10 KiB
CoffeeScript
Gallery =
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init: ->
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return unless @enabled = Conf['Gallery'] and g.VIEW in ['index', 'thread'] and g.BOARD.ID isnt 'f'
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@delay = Conf['Slide Delay']
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el = $.el 'a',
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href: 'javascript:;'
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id: 'appchan-gal'
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title: 'Gallery'
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className: 'fa fa-picture-o'
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textContent: 'Gallery'
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$.on el, 'click', @cb.toggle
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Header.addShortcut el
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Post.callbacks.push
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name: 'Gallery'
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cb: @node
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node: ->
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return unless @file?.thumb
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if Gallery.nodes
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Gallery.generateThumb @
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Gallery.nodes.total.textContent = Gallery.images.length
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unless Conf['Image Expansion']
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$.on @file.thumb.parentNode, 'click', Gallery.cb.image
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build: (image) ->
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if Conf['Fullscreen Gallery']
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$.one d, 'fullscreenchange mozfullscreenchange webkitfullscreenchange', ->
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$.on d, 'fullscreenchange mozfullscreenchange webkitfullscreenchange', cb.close
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doc.mozRequestFullScreen?()
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doc.webkitRequestFullScreen?(Element.ALLOW_KEYBOARD_INPUT)
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Gallery.images = []
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nodes = Gallery.nodes = {}
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Gallery.fullIDs = {}
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Gallery.slideshow = false
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nodes.el = dialog = $.el 'div',
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id: 'a-gallery'
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$.extend dialog, <%= importHTML('Features/Gallery') %>
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nodes[key] = $ value, dialog for key, value of {
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buttons: '.gal-buttons'
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frame: '.gal-image'
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name: '.gal-name'
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count: '.count'
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total: '.total'
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thumbs: '.gal-thumbnails'
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next: '.gal-image a'
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current: '.gal-image img'
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}
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menuButton = $ '.menu-button', dialog
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nodes.menu = new UI.Menu 'gallery'
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{cb} = Gallery
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$.on nodes.frame, 'click', cb.blank
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$.on nodes.frame, 'wheel', Volume.wheel if Conf['Mouse Wheel Volume']
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$.on nodes.next, 'click', cb.click
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$.on nodes.name, 'click', ImageCommon.download
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$.on $('.gal-prev', dialog), 'click', cb.prev
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$.on $('.gal-next', dialog), 'click', cb.next
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$.on $('.gal-start', dialog), 'click', cb.start
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$.on $('.gal-stop', dialog), 'click', cb.stop
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$.on $('.gal-close', dialog), 'click', cb.close
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$.on menuButton, 'click', (e) ->
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nodes.menu.toggle e, @, g
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for entry in Gallery.menu.createSubEntries()
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entry.order = 0
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nodes.menu.addEntry entry
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$.on d, 'keydown', cb.keybinds
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$.off d, 'keydown', Keybinds.keydown if Conf['Keybinds']
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for file in $$ '.post .file'
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post = Get.postFromNode file
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continue unless post.file?.thumb
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Gallery.generateThumb post
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# If no image to open is given, pick image we have scrolled to.
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if !image and Gallery.fullIDs[post.fullID]
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candidate = post.file.thumb.parentNode
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if Header.getTopOf(candidate) + candidate.getBoundingClientRect().height >= 0
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image = candidate
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$.addClass doc, 'gallery-open'
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$.add d.body, dialog
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nodes.thumbs.scrollTop = 0
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nodes.current.parentElement.scrollTop = 0
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thumb = $ "[href='#{image.href}']", nodes.thumbs if image
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thumb or= Gallery.images[Gallery.images.length-1]
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Gallery.open thumb if thumb
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doc.style.overflow = 'hidden'
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nodes.total.textContent = Gallery.images.length
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generateThumb: (post) ->
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return if post.isClone or post.isHidden
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return unless post.file and post.file.thumb and (post.file.isImage or post.file.isVideo or Conf['PDF in Gallery'])
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return if Gallery.fullIDs[post.fullID]
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Gallery.fullIDs[post.fullID] = true
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thumb = $.el 'a',
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className: 'gal-thumb'
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href: post.file.url
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target: '_blank'
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title: post.file.name
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thumb.dataset.id = Gallery.images.length
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thumb.dataset.post = post.fullID
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thumbImg = post.file.thumb.cloneNode false
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thumbImg.style.cssText = ''
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$.add thumb, thumbImg
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$.on thumb, 'click', Gallery.cb.open
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Gallery.images.push thumb
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$.add Gallery.nodes.thumbs, thumb
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open: (thumb) ->
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{nodes} = Gallery
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{name} = nodes
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oldID = +nodes.current.dataset.id
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newID = +thumb.dataset.id
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slideshow = Gallery.slideshow and (newID > oldID or (oldID is Gallery.images.length-1 and newID is 0))
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$.rmClass el, 'gal-highlight' if el = $ '.gal-highlight', nodes.thumbs
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$.addClass thumb, 'gal-highlight'
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elType = if /\.webm$/.test(thumb.href)
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'video'
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else if /\.pdf$/.test(thumb.href)
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'iframe'
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else
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'img'
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$[if elType is 'iframe' then 'addClass' else 'rmClass'] doc, 'gal-pdf'
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file = $.el elType,
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title: name.download = name.textContent = thumb.title
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$.extend file.dataset, thumb.dataset
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$.on file, 'error', Gallery.error
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file.src = name.href = thumb.href
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$.off nodes.current, 'error', Gallery.error
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ImageCommon.pause nodes.current
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$.replace nodes.current, file
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if elType is 'video'
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file.loop = true
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Volume.setup file
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file.play() if Conf['Autoplay']
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ImageCommon.addControls file if Conf['Show Controls']
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nodes.count.textContent = +thumb.dataset.id + 1
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nodes.current = file
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nodes.frame.scrollTop = 0
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nodes.next.focus()
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if slideshow
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Gallery.setupTimer()
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else
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Gallery.cb.stop()
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# Scroll to post
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if Conf['Scroll to Post'] and post = (post = g.posts[file.dataset.post])?.nodes.root
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Header.scrollTo post
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# Center selected thumbnail
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nodes.thumbs.scrollTop = thumb.offsetTop + thumb.offsetHeight/2 - nodes.thumbs.clientHeight/2
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error: ->
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if @error?.code is MediaError.MEDIA_ERR_DECODE
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return new Notice 'error', 'Corrupt or unplayable video', 30
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return unless @src.split('/')[2] is 'i.4cdn.org'
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ImageCommon.error @, g.posts[@dataset.post], null, (url) =>
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return unless url
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Gallery.images[@dataset.id].href = url
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@src = url if Gallery.nodes.current is @
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cleanupTimer: ->
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clearTimeout Gallery.timeoutID
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{current} = Gallery.nodes
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$.off current, 'canplaythrough load', Gallery.startTimer
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$.off current, 'ended', Gallery.cb.next
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startTimer: ->
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Gallery.timeoutID = setTimeout Gallery.checkTimer, Gallery.delay * $.SECOND
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setupTimer: ->
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Gallery.cleanupTimer()
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{current} = Gallery.nodes
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isVideo = current.nodeName is 'VIDEO'
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current.play() if isVideo
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if (if isVideo then current.readyState >= 4 else current.complete) or current.nodeName is 'IFRAME'
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Gallery.startTimer()
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else
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$.on current, (if isVideo then 'canplaythrough' else 'load'), Gallery.startTimer
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checkTimer: ->
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{current} = Gallery.nodes
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if current.nodeName is 'VIDEO' and !current.paused
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$.on current, 'ended', Gallery.cb.next
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current.loop = false
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else
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Gallery.cb.next()
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cb:
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keybinds: (e) ->
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return unless key = Keybinds.keyCode e
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cb = switch key
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when Conf['Close'], Conf['Open Gallery']
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Gallery.cb.close
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when 'Right'
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Gallery.cb.next
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when 'Enter'
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Gallery.cb.advance
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when 'Left', ''
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Gallery.cb.prev
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when Conf['Pause']
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Gallery.cb.pause
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when Conf['Slideshow']
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Gallery.cb.toggleSlideshow
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return unless cb
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e.stopPropagation()
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e.preventDefault()
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cb()
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open: (e) ->
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e.preventDefault() if e
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if @ then Gallery.open @
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image: (e) ->
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e.preventDefault()
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e.stopPropagation()
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Gallery.build @
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prev: ->
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Gallery.cb.open.call(
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Gallery.images[+Gallery.nodes.current.dataset.id - 1] or Gallery.images[Gallery.images.length - 1]
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)
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next: ->
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Gallery.cb.open.call(
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Gallery.images[+Gallery.nodes.current.dataset.id + 1] or Gallery.images[0]
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)
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click: (e) ->
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return if ImageCommon.onControls e
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e.preventDefault()
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Gallery.cb.advance()
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advance: -> if Gallery.nodes.current.paused then Gallery.nodes.current.play() else Gallery.cb.next()
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toggle: -> (if Gallery.nodes then Gallery.cb.close else Gallery.build)()
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blank: (e) -> Gallery.cb.close() if e.target is @
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toggleSlideshow: -> Gallery.cb[if Gallery.slideshow then 'stop' else 'start']()
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pause: ->
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Gallery.cb.stop()
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{current} = Gallery.nodes
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current[if current.paused then 'play' else 'pause']() if current.nodeName is 'VIDEO'
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start: ->
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$.addClass Gallery.nodes.buttons, 'gal-playing'
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Gallery.slideshow = true
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Gallery.setupTimer()
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stop: ->
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return unless Gallery.slideshow
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Gallery.cleanupTimer()
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{current} = Gallery.nodes
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current.loop = true if current.nodeName is 'VIDEO'
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$.rmClass Gallery.nodes.buttons, 'gal-playing'
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Gallery.slideshow = false
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close: ->
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$.off Gallery.nodes.current, 'error', Gallery.error
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ImageCommon.pause Gallery.nodes.current
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$.rm Gallery.nodes.el
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$.rmClass doc, 'gallery-open'
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if Conf['Fullscreen Gallery']
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$.off d, 'fullscreenchange mozfullscreenchange webkitfullscreenchange', Gallery.cb.close
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d.mozCancelFullScreen?()
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d.webkitExitFullscreen?()
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delete Gallery.nodes
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delete Gallery.fullIDs
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doc.style.overflow = ''
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$.off d, 'keydown', Gallery.cb.keybinds
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$.on d, 'keydown', Keybinds.keydown if Conf['Keybinds']
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clearTimeout Gallery.timeoutID
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setFitness: ->
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(if @checked then $.addClass else $.rmClass) doc, "gal-#{@name.toLowerCase().replace /\s+/g, '-'}"
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setDelay: -> Gallery.delay = +@value
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menu:
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init: ->
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return unless Gallery.enabled
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el = $.el 'span',
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textContent: 'Gallery'
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className: 'gallery-link'
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Header.menu.addEntry
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el: el
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order: 105
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subEntries: Gallery.menu.createSubEntries()
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createSubEntry: (name) ->
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label = UI.checkbox name, name
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input = label.firstElementChild
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if name in ['Fit Width', 'Fit Height', 'Hide Thumbnails']
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$.on input, 'change', Gallery.cb.setFitness
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$.event 'change', null, input
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$.on input, 'change', $.cb.checked
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el: label
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createSubEntries: ->
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subEntries = (Gallery.menu.createSubEntry item for item in ['Hide Thumbnails', 'Fit Width', 'Fit Height', 'Scroll to Post'])
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delayLabel = $.el 'label', <%= html('Slide Delay: <input type="number" name="Slide Delay" min="0" step="any" class="field">') %>
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delayInput = delayLabel.firstElementChild
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delayInput.value = Gallery.delay
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$.on delayInput, 'change', Gallery.cb.setDelay
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$.on delayInput, 'change', $.cb.value
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subEntries.push el: delayLabel
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subEntries
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