bigbluebutton-Github/labs/meteor-client/app/client/globals.coffee

296 lines
11 KiB
CoffeeScript
Executable File

# Convert a color `value` as integer to a hex color (e.g. 255 to #0000ff)
@colourToHex = (value) ->
hex = parseInt(value).toString(16)
hex = "0" + hex while hex.length < 6
"##{hex}"
# retrieve account for selected user
@getCurrentUserFromSession = ->
Meteor.Users.findOne("_id": getInSession("userId"))
@getInSession = (k) -> SessionAmplify.get k
@getMeetingName = ->
meetName = getInSession("meetingName") # check if we actually have one in the session
if meetName? then meetName # great return it, no database query
else # we need it from the database
meet = Meteor.Meetings.findOne({})
if meet?.meetingName
setInSession "meetingName", meet?.meetingName # store in session for fast access next time
meet?.meetingName
else "your meeting"
@getTime = -> # returns epoch in ms
(new Date).valueOf()
@getTimeOfJoining = ->
Meteor.Users.findOne(_id: getInSession "DBID")?.user?.time_of_joining
@getUsersName = ->
name = getInSession("userName") # check if we actually have one in the session
if name? then name # great return it, no database query
else # we need it from the database
user = Meteor.Users.findOne({'_id': getInSession("DBID")})
if user?.user?.name
setInSession "userName", user.user.name # store in session for fast access next time
user.user.name
else null
@getPresentationFilename = ->
currentPresentation = Meteor.Presentations.findOne({"presentation.current": true})
currentPresentation?.presentation?.name
Handlebars.registerHelper "colourToHex", (value) =>
@window.colourToHex(value)
Handlebars.registerHelper 'equals', (a, b) -> # equals operator was dropped in Meteor's migration from Handlebars to Spacebars
a is b
Handlebars.registerHelper "getCurrentMeeting", ->
Meteor.Meetings.findOne()
Handlebars.registerHelper "getCurrentSlide", ->
currentPresentation = Meteor.Presentations.findOne({"presentation.current": true})
presentationId = currentPresentation?.presentation?.id
Meteor.Slides.find({"presentationId": presentationId, "slide.current": true})
# retrieve account for selected user
Handlebars.registerHelper "getCurrentUser", =>
@window.getCurrentUserFromSession()
Handlebars.registerHelper "getHandRaiseStats", ->
numRaised = Meteor.Users.find({'user.raise_hand':true}).count()
total = Meteor.Users.find().count()
percentageRaised = numRaised/total
if numRaised > 0
"#{numRaised} Hands Raised (#{percentageRaised}% of Attendees)"
else false
# Allow access through all templates
Handlebars.registerHelper "getInSession", (k) -> SessionAmplify.get k
Handlebars.registerHelper "getMeetingName", ->
window.getMeetingName()
Handlebars.registerHelper "getWhiteboardTitle", ->
"Whiteboard: " + getPresentationFilename()
Handlebars.registerHelper "getShapesForSlide", ->
currentSlide = getCurrentSlideDoc()
# try to reuse the lines above
Meteor.Shapes.find({whiteboardId: currentSlide?.slide?.id})
# retrieves all users in the meeting
Handlebars.registerHelper "getUsersInMeeting", ->
Meteor.Users.find({})
Handlebars.registerHelper "isCurrentUser", (_id) ->
_id is getInSession("DBID")
Handlebars.registerHelper "meetingIsRecording", ->
Meteor.Meetings.findOne()?.recorded # Should only ever have one meeting, so we dont need any filter and can trust result #1
Handlebars.registerHelper "isCurrentUserMuted", ->
getInSession "isMuted"
Handlebars.registerHelper "isCurrentUserRaisingHand", ->
user = Meteor.Users.findOne({_id:getInSession("DBID")})
user?.user?.raise_hand
Handlebars.registerHelper "isCurrentUserSharingAudio", ->
user = Meteor.Users.findOne({_id:getInSession("DBID")})
user?.user?.voiceUser?.joined
Handlebars.registerHelper "isCurrentUserSharingVideo", ->
user = Meteor.Users.findOne({_id:getInSession("DBID")})
user?.user?.webcam_stream?.length isnt 0
Handlebars.registerHelper "isCurrentUserTalking", ->
user = Meteor.Users.findOne({_id:getInSession("DBID")})
user?.user?.voiceUser?.talking
Handlebars.registerHelper "isUserSharingAudio", (u) ->
if u?
user = Meteor.Users.findOne({_id:u._id})
user?.user?.voiceUser?.joined
else return false
Handlebars.registerHelper "isUserListenOnly", (u) ->
if u?
user = Meteor.Users.findOne({_id:u._id})
user?.user?.listenOnly
else return false
Handlebars.registerHelper "isUserSharingVideo", (u) ->
u.webcam_stream?.length isnt 0
Handlebars.registerHelper "isUserTalking", (u) ->
if u?
user = Meteor.Users.findOne({_id:u._id})
user.user?.voiceUser?.talking
else return false
Handlebars.registerHelper "isUserMuted", (u) ->
if u?
user = Meteor.Users.findOne({_id:u._id})
user.user.voiceUser?.muted
else return false
Handlebars.registerHelper "messageFontSize", ->
style: "font-size: #{getInSession("messageFontSize")}px;"
Handlebars.registerHelper "pointerLocation", ->
currentPresentation = Meteor.Presentations.findOne({"presentation.current": true})
currentPresentation?.pointer
Handlebars.registerHelper "setInSession", (k, v) -> SessionAmplify.set k, v
Handlebars.registerHelper "visibility", (section) ->
if getInSession "display_#{section}"
style: 'display:block'
else
style: 'display:none'
Handlebars.registerHelper "getChatbarTabs1", ->
chatTabs.find().fetch()
# transform plain text links into HTML tags compatible with Flash client
@linkify = (str) ->
www = /(^|[^\/])(www\.[\S]+($|\b))/img
http = /\b(https?:\/\/[0-9a-z+|.,:;\/&?_~%#=@!-]*[0-9a-z+|\/&_~%#=@-])/img
str = str.replace http, "<a href='event:$1'><u>$1</u></a>"
str = str.replace www, "$1<a href='event:http://$2'><u>$2</u></a>"
@setInSession = (k, v) -> SessionAmplify.set k, v
Meteor.methods
sendMeetingInfoToClient: (meetingId, userId) ->
setInSession("userId", userId)
setInSession("meetingId", meetingId)
setInSession("currentChatId", meetingId)
setInSession("meetingName", null)
setInSession("userName", null)
@toggleCam = (event) ->
# Meteor.Users.update {_id: context._id} , {$set:{"user.sharingVideo": !context.sharingVideo}}
# Meteor.call('userToggleCam', context._id, !context.sharingVideo)
@toggleChatbar = ->
setInSession "display_chatbar", !getInSession "display_chatbar"
@toggleMic = (event) ->
if getInSession "isSharingAudio" # only allow muting/unmuting if they are in the call
u = Meteor.Users.findOne({_id:getInSession("DBID")})
if u?
# publishMuteRequest: (meetingId, mutee_id, requesterUserId, requester_id, mutedBoolean) ->
Meteor.call('publishMuteRequest', getInSession("meetingId"),u._id, getInSession("userId"), u._id, not u.user.voiceUser.muted)
setInSession "isMuted", not u.user.voiceUser.muted
@toggleNavbar = ->
setInSession "display_navbar", !getInSession "display_navbar"
# toggle state of session variable
@toggleUsersList = ->
setInSession "display_usersList", !getInSession "display_usersList"
@toggleVoiceCall = (event) ->
if getInSession "isSharingAudio"
hangupCallback = ->
console.log "left voice conference"
# sometimes we can hangup before the message that the user stopped talking is received so lets set it manually, otherwise they might leave the audio call but still be registered as talking
# userStopAudio: (meetingId, userId, user_id, requesterUserId, requester_id) ->
Meteor.call("userStopAudio", getInSession("meetingId"), getInSession("userId"), getInSession("DBID"), getInSession("userId"), getInSession("DBID"))
setInSession "isSharingAudio", false # update to no longer sharing
webrtc_hangup hangupCallback # sign out of call
else
# create voice call params
username = "#{getInSession("DBID")}-bbbID-#{getUsersName()}"
voiceBridge = Meteor.Meetings.findOne({}).voiceConf
server = null
joinCallback = (message) ->
# userShareAudio: (meetingId, userId, user_id) ->
Meteor.call("userShareAudio", getInSession("meetingId"), getInSession("userId"), getInSession("DBID"))
setInSession "isSharingAudio", true
webrtc_call(username, voiceBridge, server, joinCallback) # make the call
return false
@toggleWhiteBoard = ->
setInSession "display_whiteboard", !getInSession "display_whiteboard"
# Starts the entire logout procedure.
# meeting: the meeting the user is in
# the user's userId
@userLogout = (meeting, user) ->
Meteor.call("userLogout", meeting, user)
# Clear the local user session and redirect them away
setInSession("userId", null)
setInSession("meetingId", null)
setInSession("currentChatId", null)
setInSession("meetingName", null)
setInSession("bbbServerVersion", null)
setInSession("userName", null)
setInSession "display_navbar", false # needed to hide navbar when the layout template renders
Router.go('logout') # navigate to logout
# color can be a number (a hex converted to int) or a string (e.g. "#ffff00")
@formatColor = (color) ->
color ?= "0" # default value
if !color.toString().match(/\#.*/)
color = colourToHex(color)
color
# thickness can be a number (e.g. "2") or a string (e.g. "2px")
@formatThickness = (thickness) ->
thickness ?= "1" # default value
if !thickness.toString().match(/.*px$/)
"#" + thickness + "px" # leading "#" - to be compatible with Firefox
thickness
# applies zooming to the stroke thickness
@zoomStroke = (thickness) ->
currentSlide = @getCurrentSlideDoc()
ratio = (currentSlide?.slide.width_ratio + currentSlide?.slide.height_ratio) / 2
thickness * 100 / ratio
@getCurrentSlideDoc = -> # returns only one document
currentPresentation = Meteor.Presentations.findOne({"presentation.current": true})
presentationId = currentPresentation?.presentation?.id
currentSlide = Meteor.Slides.findOne({"presentationId": presentationId, "slide.current": true})
#start a clientside-only collection keeping track of the chat tabs
@chatTabs = new Meteor.Collection(null)
#insert the basic tabs
@chatTabs.insert({ userId: "PUBLIC_CHAT", name: "Public", gotMail: false, class: "publicChatTab"})
@chatTabs.insert({ userId: "OPTIONS", name: "Options", gotMail: false, class: "optionsChatTab"})
#check the chat history of the user and add tabs for the private chats
@populateChatTabs = ->
mydbid = getInSession "DBID"
users = Meteor.Users.find().fetch()
# assuming that I only have access only to private messages where I am the sender or the recipient
myPrivateChats = Meteor.Chat.find({'message.chat_type': 'PRIVATE_CHAT'}).fetch()
uniqueArray = []
for chat in myPrivateChats
if chat.message.to_userid is mydbid
uniqueArray.push({userId: chat.message.from_userid, username: chat.message.from_username})
if chat.message.from_userid is mydbid
uniqueArray.push({userId: chat.message.to_userid, username: chat.message.to_username})
#keep unique entries only
uniqueArray = uniqueArray.filter((itm, i, a) ->
i is a.indexOf(itm)
)
#insert the unique entries in the collection
for u in uniqueArray
unless chatTabs.findOne({userId: u.userId})?
chatTabs.insert({ userId: u.userId, name: u.username, gotMail: false, class: "privateChatTab"})
Handlebars.registerHelper "grabChatTabs", ->
chatTabs.find().fetch()