class app.views.EntryPage extends app.View  @className: '_page'  @errorClass: '_page-error'   @events:    click: 'onClick'   @shortcuts:    altC: 'onAltC'    altO: 'onAltO'   @routes:    before: 'beforeRoute'   init: ->    @cacheMap = {}    @cacheStack = []    return   deactivate: ->    if super      @empty()      @entry = null    return   loading: ->    @empty()    @trigger 'loading'    return   render: (content = '', fromCache = false) ->    return unless @activated    @empty()    @subview = new (@subViewClass()) @el, @entry     $.batchUpdate @el, =>      @subview.render(content, fromCache)      @addCopyButtons() unless fromCache      return     if app.disabledDocs.findBy 'slug', @entry.doc.slug      @hiddenView = new app.views.HiddenPage @el, @entry     setFaviconForDoc(@entry.doc)    @delay @polyfillMathML    @trigger 'loaded'    return   addCopyButtons: ->    unless @copyButton      @copyButton = document.createElement('button')      @copyButton.innerHTML = '<svg><use xlink:href="#icon-copy"/></svg>'      @copyButton.type = 'button'      @copyButton.className = '_pre-clip'      @copyButton.title = 'Copy to clipboard'      @copyButton.setAttribute 'aria-label', 'Copy to clipboard'    el.appendChild @copyButton.cloneNode(true) for el in @findAllByTag('pre')    return   polyfillMathML: ->    return unless window.supportsMathML is false and !@polyfilledMathML and @findByTag('math')    @polyfilledMathML = true    $.append document.head, """<link rel="stylesheet" href="#{app.config.mathml_stylesheet}">"""    return   LINKS =    home: 'Homepage'    code: 'Source code'   prepareContent: (content) ->    return content unless @entry.isIndex() and @entry.doc.links     links = for link, url of @entry.doc.links      """<a href="#{url}" class="_links-link">#{LINKS[link]}</a>"""     """<p class="_links">#{links.join('')}</p>#{content}"""   empty: ->    @subview?.deactivate()    @subview = null     @hiddenView?.deactivate()    @hiddenView = null     @resetClass()    super    return   subViewClass: ->    app.views["#{$.classify(@entry.doc.type)}Page"] or app.views.BasePage   getTitle: ->    @entry.doc.fullName + if @entry.isIndex() then ' documentation' else " / #{@entry.name}"   beforeRoute: =>    @cache()    @abort()    return   onRoute: (context) ->    isSameFile = context.entry.filePath() is @entry?.filePath()    @entry = context.entry    @restore() or @load() unless isSameFile    return   load: ->    @loading()    @xhr = @entry.loadFile @onSuccess, @onError    return   abort: ->    if @xhr      @xhr.abort()      @xhr = @entry = null    return   onSuccess: (response) =>    return unless @activated    @xhr = null    @render @prepareContent(response)    return   onError: =>    @xhr = null    @render @tmpl('pageLoadError')    @resetClass()    @addClass @constructor.errorClass    app.serviceWorker?.update()    return   cache: ->    return if @xhr or not @entry or @cacheMap[path = @entry.filePath()]     @cacheMap[path] = @el.innerHTML    @cacheStack.push(path)     while @cacheStack.length > app.config.history_cache_size      delete @cacheMap[@cacheStack.shift()]    return   restore: ->    if @cacheMap[path = @entry.filePath()]      @render @cacheMap[path], true      true   onClick: (event) =>    target = $.eventTarget(event)    if target.hasAttribute 'data-retry'      $.stopEvent(event)      @load()    else if target.classList.contains '_pre-clip'      $.stopEvent(event)      target.classList.add if $.copyToClipboard(target.parentNode.textContent) then '_pre-clip-success' else '_pre-clip-error'      setTimeout (-> target.className = '_pre-clip'), 2000    return   onAltC: =>    return unless link = @find('._attribution:last-child ._attribution-link')    console.log(link.href + location.hash)    navigator.clipboard.writeText(link.href + location.hash)    return   onAltO: =>    return unless link = @find('._attribution:last-child ._attribution-link')    @delay -> $.popup(link.href + location.hash)    return