codecombat/app/views/play/menu/GuideView.coffee
Matt Lott 92f070ecca Fix help video events
Removing the protocol broke the video player event hooks.
2015-01-29 16:45:18 -08:00

136 lines
4.8 KiB
CoffeeScript

CocoView = require 'views/core/CocoView'
template = require 'templates/play/menu/guide-view'
Article = require 'models/Article'
utils = require 'core/utils'
# let's implement this once we have the docs database schema set up
module.exports = class LevelGuideView extends CocoView
template: template
id: 'guide-view'
className: 'tab-pane'
helpVideoHeight: '295'
helpVideoWidth: '471'
constructor: (options) ->
@levelID = options.level.get('slug')
@sessionID = options.session.get('_id')
@helpVideos = options.level.get('helpVideos') ? []
@trackedHelpVideoStart = @trackedHelpVideoFinish = false
# A/B Testing video tutorial styles
@helpVideosIndex = me.getVideoTutorialStylesIndex(@helpVideos.length)
@firstOnly = options.firstOnly
@docs = options?.docs ? options.level.get('documentation') ? {}
general = @docs.generalArticles or []
specific = @docs.specificArticles or []
articles = options.supermodel.getModels(Article)
articleMap = {}
articleMap[article.get('original')] = article for article in articles
general = (articleMap[ref.original] for ref in general)
general = (article.attributes for article in general when article)
@docs = specific.concat(general)
@docs = $.extend(true, [], @docs)
@docs = [@docs[0]] if @firstOnly and @docs[0]
doc.html = marked(utils.i18n doc, 'body') for doc in @docs
doc.name = (utils.i18n doc, 'name') for doc in @docs
doc.slug = _.string.slugify(doc.name) for doc in @docs
super()
destroy: ->
if @vimeoListenerAttached
if window.addEventListener
window.removeEventListener('message', @onMessageReceived, false)
else
window.detachEvent('onmessage', @onMessageReceived, false)
if window.onYouTubeIframeAPIReady
window.onYouTubeIframeAPIReady = null
super()
getRenderData: ->
c = super()
c.docs = @docs
c.showVideo = @helpVideos.length > 0
c
afterRender: ->
super()
if @docs.length is 1 and @helpVideos.length > 0
@setupVideoPlayer()
else
# incredible hackiness. Getting bootstrap tabs to work shouldn't be this complex
@$el.find('.nav-tabs li:first').addClass('active')
@$el.find('.tab-content .tab-pane:first').addClass('active')
@$el.find('.nav-tabs a').click(@clickTab)
@playSound 'guide-open'
clickTab: (e) =>
@$el.find('li.active').removeClass('active')
@playSound 'guide-tab-switch'
afterInsert: ->
super()
Backbone.Mediator.publish 'level:docs-shown', {}
onHidden: ->
createjs?.Sound?.setVolume?(@volume ? 1.0)
Backbone.Mediator.publish 'level:docs-hidden', {}
onShown: ->
# TODO: Disable sound only when video is playing?
@volume ?= me.get('volume') ? 1.0
createjs?.Sound?.setVolume(0.0)
onStartHelpVideo: ->
unless @trackedHelpVideoStart
window.tracker?.trackEvent 'Start help video', level: @levelID, ls: @sessionID, style: @helpVideos[@helpVideosIndex].style
@trackedHelpVideoStart = true
onFinishHelpVideo: ->
unless @trackedHelpVideoFinish
window.tracker?.trackEvent 'Finish help video', level: @levelID, ls: @sessionID, style: @helpVideos[@helpVideosIndex].style
@trackedHelpVideoFinish = true
setupVideoPlayer: () ->
return unless @helpVideos?.length > 0
return unless url = @helpVideos[@helpVideosIndex]?.url
# Always use HTTPS
# TODO: Not specifying the protocol should work based on Vimeo docs, but breaks postMessage/eventing in practice.
url = "https:" + url.substr url.indexOf '/'
@setupVimeoVideoPlayer url
setupVimeoVideoPlayer: (helpVideoURL) ->
# Setup Vimeo player
# https://developer.vimeo.com/player/js-api#universal-with-postmessage
# Create Vimeo iframe player
tag = document.createElement('iframe')
tag.id = 'help-video-player'
tag.src = helpVideoURL + "?api=1&badge=0&byline=0&portrait=0&title=0"
tag.height = @helpVideoHeight
tag.width = @helpVideoWidth
tag.frameborder = '0'
@$el.find('#help-video-player').replaceWith(tag)
@onMessageReceived = (e) =>
data = JSON.parse(e.data)
if data.event is 'ready'
# Vimeo player is ready, can now hook up other events
# https://developer.vimeo.com/player/js-api#events
player = $('#help-video-player')[0]
player.contentWindow.postMessage JSON.stringify(method: 'addEventListener', value: 'play'), helpVideoURL
player.contentWindow.postMessage JSON.stringify(method: 'addEventListener', value: 'finish'), helpVideoURL
else if data.event is 'play'
@onStartHelpVideo?()
else if data.event is 'finish'
@onFinishHelpVideo?()
# Listen for Vimeo player 'ready'
if window.addEventListener
window.addEventListener('message', @onMessageReceived, false)
else
window.attachEvent('onmessage', @onMessageReceived, false)
@vimeoListenerAttached = true