bigbluebutton-Github/bigbluebutton-html5/app/client/globals.coffee
2015-05-07 20:15:38 +00:00

506 lines
18 KiB
CoffeeScript
Executable File

@getBuildInformation = ->
copyrightYear = Meteor.config?.copyrightYear or "DATE"
html5ClientBuild = Meteor.config?.html5ClientBuild or "VERSION"
defaultWelcomeMessage = Meteor.config?.defaultWelcomeMessage or "WELCOME MESSAGE"
defaultWelcomeMessageFooter = Meteor.config?.defaultWelcomeMessageFooter or "WELCOME MESSAGE"
link = "<a href='http://bigbluebutton.org/' target='_blank'>http://bigbluebutton.org</a>"
{
'copyrightYear': copyrightYear
'html5ClientBuild': html5ClientBuild
'defaultWelcomeMessage': defaultWelcomeMessage
'defaultWelcomeMessageFooter': defaultWelcomeMessageFooter
'link': link
}
# 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}"
# 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
@getCurrentSlideDoc = -> # returns only one document
BBB.getCurrentSlide()
@getInSession = (k) -> SessionAmplify.get k
@getTime = -> # returns epoch in ms
(new Date).valueOf()
# helper to determine whether user has joined any type of audio
Handlebars.registerHelper "amIInAudio", ->
BBB.amIInAudio()
# helper to determine whether the user is in the listen only audio stream
Handlebars.registerHelper "amIListenOnlyAudio", ->
BBB.amIListenOnlyAudio()
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})
# Allow access through all templates
Handlebars.registerHelper "getInSession", (k) -> SessionAmplify.get k
Handlebars.registerHelper "getMeetingName", ->
BBB.getMeetingName()
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", ->
# retrieve all users with raised hands
# raised hand is an object, so we can't simply search for true
# sort users by who has raised their hand first, place them at the top
raised = Meteor.Users.find({'user.raise_hand': {$not: {$in: [0, false, null]} }}, {sort: {'user.raise_hand': 1} }).fetch()
# find all users with a lowered hand
# when a hand is lowered, it is not always just false, it can be zero, or null
lowered = Meteor.Users.find({'user.raise_hand': $in: [0, false, null]}, {sort: {'user._sort_name': 1} }).fetch()
# add the users with lowered hands, to the list of people with raised hands
raised.concat lowered
Handlebars.registerHelper "getWhiteboardTitle", ->
(BBB.currentPresentationName() or "Loading presentation...")
Handlebars.registerHelper "isCurrentUser", (userId) ->
userId is null or userId is BBB.getCurrentUser()?.userId
Handlebars.registerHelper "isCurrentUserMuted", ->
BBB.amIMuted()
Handlebars.registerHelper "isCurrentUserRaisingHand", ->
BBB.isCurrentUserRaisingHand()
Handlebars.registerHelper "isCurrentUserSharingVideo", ->
BBB.amISharingVideo()
Handlebars.registerHelper "isCurrentUserTalking", ->
BBB.amITalking()
Handlebars.registerHelper "isCurrentUserPresenter", ->
BBB.isUserPresenter(getInSession('userId'))
Handlebars.registerHelper "isDisconnected", ->
return !Meteor.status().connected
Handlebars.registerHelper "isUserInAudio", (userId) ->
BBB.isUserInAudio(userId)
Handlebars.registerHelper "isUserListenOnlyAudio", (userId) ->
BBB.isUserListenOnlyAudio(userId)
Handlebars.registerHelper "isUserMuted", (userId) ->
BBB.isUserMuted(userId)
Handlebars.registerHelper "isUserSharingVideo", (userId) ->
BBB.isUserSharingWebcam(userId)
Handlebars.registerHelper "isUserTalking", (userId) ->
BBB.isUserTalking(userId)
Handlebars.registerHelper 'isMobile', () ->
isMobile()
Handlebars.registerHelper 'isPortraitMobile', () ->
isPortraitMobile()
Handlebars.registerHelper 'isMobileChromeOrFirefox', () ->
isMobile() and ((getBrowserName() is 'Chrome') or (getBrowserName() is 'Firefox'))
Handlebars.registerHelper "meetingIsRecording", ->
BBB.isMeetingRecording()
Handlebars.registerHelper "messageFontSize", ->
style: "font-size: #{getInSession("messageFontSize")}px;"
Handlebars.registerHelper "pointerLocation", ->
currentPresentation = Meteor.Presentations.findOne({"presentation.current": true})
presentationId = currentPresentation?.presentation?.id
currentSlideDoc = Meteor.Slides.findOne({"presentationId": presentationId, "slide.current": true})
pointer = currentPresentation?.pointer
pointer.x = (- currentSlideDoc.slide.x_offset * 2 + currentSlideDoc.slide.width_ratio * pointer.x) / 100
pointer.y = (- currentSlideDoc.slide.y_offset * 2 + currentSlideDoc.slide.height_ratio * pointer.y) / 100
pointer
Handlebars.registerHelper "safeName", (str) ->
safeString(str)
Handlebars.registerHelper "visibility", (section) ->
if getInSession "display_#{section}"
style: 'display:block;'
else
style: 'display:none;'
# 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>$2</u></a>"
@introToAudio = (event, {isListenOnly} = {}) ->
isListenOnly ?= true
joinVoiceCall event, isListenOnly: isListenOnly
displayWebRTCNotification()
# check the chat history of the user and add tabs for the private chats
@populateChatTabs = (msg) ->
myUserId = getInSession "userId"
users = Meteor.Users.find().fetch()
# assuming that I only have access only to private messages where I am the sender or the recipient
myPrivateChats = Meteor.Chat.find({'message.chat_type': 'PRIVATE_CHAT'}).fetch()
uniqueArray = []
for chat in myPrivateChats
if chat.message.to_userid is myUserId
uniqueArray.push({userId: chat.message.from_userid, username: chat.message.from_username})
if chat.message.from_userid is myUserId
uniqueArray.push({userId: chat.message.to_userid, username: chat.message.to_username})
#keep unique entries only
uniqueArray = uniqueArray.filter((itm, i, a) ->
i is a.indexOf(itm)
)
if msg.message.to_userid is myUserId
new_msg_userid = msg.message.from_userid
if msg.message.from_userid is myUserId
new_msg_userid = msg.message.to_userid
#insert the unique entries in the collection
for u in uniqueArray
tabs = getInSession('chatTabs')
if tabs.filter((tab) -> tab.userId == u.userId).length is 0 and u.userId is new_msg_userid
tabs.push {userId: u.userId, name: u.username, gotMail: false, class: 'privateChatTab'}
setInSession 'chatTabs', tabs
@setInSession = (k, v) -> SessionAmplify.set k, v
@safeString = (str) ->
if typeof str is 'string'
str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
@toggleCam = (event) ->
# Meteor.Users.update {_id: context._id} , {$set:{"user.sharingVideo": !context.sharingVideo}}
# Meteor.call('userToggleCam', context._id, !context.sharingVideo)
@toggleChatbar = ->
if getInSession("display_chatbar") and isOnlyOnePanelOpen()
setInSession "display_usersList", true
setInSession "display_whiteboard", true
setInSession "display_chatbar", true
else
setInSession "display_chatbar", !getInSession "display_chatbar"
setTimeout(redrawWhiteboard, 0)
@toggleMic = (event) ->
BBB.toggleMyMic()
@toggleNavbar = ->
setInSession "display_navbar", !getInSession "display_navbar"
# toggle state of session variable
@toggleUsersList = ->
if getInSession("display_usersList") and isOnlyOnePanelOpen()
setInSession "display_usersList", true
setInSession "display_whiteboard", true
setInSession "display_chatbar", true
else
setInSession "display_usersList", !getInSession "display_usersList"
setTimeout(redrawWhiteboard, 0)
# Periodically check the status of the WebRTC call, when a call has been established attempt to hangup,
# retry if a call is in progress, send the leave voice conference message to BBB
@exitVoiceCall = (event) ->
# To be called when the hangup is initiated
hangupCallback = ->
console.log "Exiting Voice Conference"
# Checks periodically until a call is established so we can successfully end the call
# clean state
getInSession("triedHangup", false)
# function to initiate call
(checkToHangupCall = (context) ->
# if an attempt to hang up the call is made when the current session is not yet finished, the request has no effect
# keep track in the session if we haven't tried a hangup
if BBB.getCallStatus() isnt null and !getInSession("triedHangup")
console.log "Attempting to hangup on WebRTC call"
if BBB.amIListenOnlyAudio() # notify BBB-apps we are leaving the call call if we are listen only
Meteor.call('listenOnlyRequestToggle', BBB.getMeetingId(), getInSession("userId"), getInSession("authToken"), false)
BBB.leaveVoiceConference hangupCallback
getInSession("triedHangup", true) # we have hung up, prevent retries
else
console.log "RETRYING hangup on WebRTC call in #{Meteor.config.app.WebRTCHangupRetryInterval} ms"
setTimeout checkToHangupCall, Meteor.config.app.WebRTCHangupRetryInterval # try again periodically
)(@) # automatically run function
return false
# close the daudio UI, then join the conference. If listen only send the request to the server
@joinVoiceCall = (event, {isListenOnly} = {}) ->
$('#joinAudioDialog').dialog('close')
isListenOnly ?= true
# create voice call params
joinCallback = (message) ->
console.log "Beginning WebRTC Conference Call"
if isListenOnly
Meteor.call('listenOnlyRequestToggle', BBB.getMeetingId(), getInSession("userId"), getInSession("authToken"), true)
BBB.joinVoiceConference joinCallback, isListenOnly # make the call #TODO should we apply role permissions to this action?
return false
@toggleWhiteBoard = ->
if getInSession("display_whiteboard") and isOnlyOnePanelOpen()
setInSession "display_usersList", true
setInSession "display_whiteboard", true
setInSession "display_chatbar", true
else
setInSession "display_whiteboard", !getInSession "display_whiteboard"
setTimeout(redrawWhiteboard, 0)
@toggleSlidingMenu = ->
if $('#sliding-menu').hasClass('sliding-menu-opened')
DestroyFixedView()
setInSession 'display_slidingMenu', false
$('#sliding-menu').removeClass('sliding-menu-opened')
$('#shield').css('display', 'none')
else
CreateFixedView()
setInSession 'display_slidingMenu', true
$('#sliding-menu').addClass('sliding-menu-opened')
$('#shield').css('display', 'block')
@toggleNavbarCollapse = ->
setInSession 'display_hiddenNavbarSection', !getInSession 'display_hiddenNavbarSection'
if getInSession 'display_hiddenNavbarSection'
$('.navbarTitle').addClass('narrowedNavbarTitle');
$('.collapseNavbarSection').css('display', 'block')
else
$('.collapseNavbarSection').css('display', 'none')
$('.navbarTitle').removeClass('narrowedNavbarTitle');
# Starts the entire logout procedure.
# meeting: the meeting the user is in
# the user's userId
@userLogout = (meeting, user) ->
Meteor.call("userLogout", meeting, user, getInSession("authToken"))
console.log "logging out"
clearSessionVar(document.location = getInSession 'logoutURL') # navigate to logout
# Clear the local user session
@clearSessionVar = (callback) ->
amplify.store('authToken', null)
amplify.store('bbbServerVersion', null)
amplify.store('chatTabs', null)
amplify.store('dateOfBuild', null)
amplify.store('display_chatPane', null)
amplify.store('display_chatbar', null)
amplify.store('display_navbar', null)
amplify.store('display_usersList', null)
amplify.store('display_whiteboard', null)
amplify.store('inChatWith', null)
amplify.store('logoutURL', null)
amplify.store('meetingId', null)
amplify.store('messageFontSize', null)
amplify.store('tabsRenderedTime', null)
amplify.store('userId', null)
amplify.store('userName', null)
if callback?
callback()
# assign the default values for the Session vars
@setDefaultSettings = ->
# console.log "in setDefaultSettings"
if isLandscapeMobile()
setInSession "display_usersList", false
else
setInSession "display_usersList", true
setInSession "display_navbar", true
setInSession "display_chatbar", true
setInSession "display_whiteboard", true
setInSession "display_chatPane", true
setInSession "inChatWith", 'PUBLIC_CHAT'
if isPortraitMobile() or isLandscapeMobile()
setInSession "messageFontSize", Meteor.config.app.mobileFont
else
setInSession "messageFontSize", Meteor.config.app.desktopFont
setInSession 'display_slidingMenu', false
setInSession 'display_hiddenNavbarSection', false
setInSession 'webrtc_notification_is_displayed', false
@onLoadComplete = ->
setDefaultSettings()
Meteor.Users.find().observe({
removed: (oldDocument) ->
if oldDocument.userId is getInSession 'userId'
document.location = getInSession 'logoutURL'
})
# Detects a mobile device
@isMobile = ->
navigator.userAgent.match(/Android/i) or
navigator.userAgent.match(/iPhone|iPad|iPod/i) or
navigator.userAgent.match(/BlackBerry/i) or
navigator.userAgent.match(/Windows Phone/i) or
navigator.userAgent.match(/IEMobile/i) or
navigator.userAgent.match(/BlackBerry/i) or
navigator.userAgent.match(/webOS/i)
# Checks if the view is portrait and a mobile device is being used
@isPortraitMobile = () ->
isMobile() and
window.matchMedia('(orientation: portrait)').matches and # browser is portrait
window.matchMedia('(max-device-aspect-ratio: 1/1)').matches # device is portrait
# Checks if the view is landscape and mobile device is being used
@isLandscapeMobile = () ->
isMobile() and
window.matchMedia('(orientation: landscape)').matches and # browser is landscape
window.matchMedia('(min-device-aspect-ratio: 1/1)').matches # device is landscape
# Checks if only one panel (userlist/whiteboard/chatbar) is currently open
@isOnlyOnePanelOpen = () ->
#(getInSession "display_usersList" ? 1 : 0) + (getInSession "display_whiteboard" ? 1 : 0) + (getInSession "display_chatbar" ? 1 : 0) is 1
getInSession("display_usersList") + getInSession("display_whiteboard") + getInSession("display_chatbar") is 1
# Reverts all the changes to userlist, whiteboard and chat made by the push menu
@DestroyFixedView = () ->
$('#chat').css('position', '')
$('#chat').css('top', '')
$('#chat').css('left', '')
$('#users').css('position', '')
$('#users').css('top', '')
$('#users').css('left', '')
$('#whiteboard').css('position', '')
$('#whiteboard').css('top', '')
$('#whiteboard').css('left', '')
$('#footer').css('position', '')
$('#footer').css('top', '')
$('#footer').css('left', '')
$('#chat').css('height', '')
$('#users').css('height', '')
$('#users').css('width', '')
$('#whiteboard').css('height', '')
$('#footer').css('height', '')
$('#footer').css('width', '')
# pushing the view back
$('#main').css('position', 'relative')
$('#main').css('top', '0')
$('#main').css('left', '0')
# Makes the position of userlist, whiteboard and chat fixed (to disable scrolling) and
# positions each element correctly
@CreateFixedView = () ->
# positioning the whiteboard
if getInSession 'display_whiteboard'
whiteboardHeight = $('#whiteboard').height()
$('#whiteboard').css('position', 'fixed')
$('#whiteboard').css('left', '15%')
$('#whiteboard').css('height', whiteboardHeight + 5 + 'px')
$('#whiteboard').css('top', '100px')
# positioning the chatbar
if getInSession 'display_chatbar'
chatHeight = $('#chat').height()
$('#chat').css('position', 'fixed')
$('#chat').css('left', '15%')
$('#chat').css('height', chatHeight)
if getInSession 'display_whiteboard'
$('#chat').css('top', 110 + $('#whiteboard').height() + 'px')
else
$('#chat').css('top', '100px')
# positioning the userlist
if getInSession 'display_usersList'
chatHeight = $('#chat').height()
usersHeight = $('#users').height()
usersWidth = $('#users').width()
$('#users').css('position', 'fixed')
$('#users').css('left', '15%')
$('#users').css('width', usersWidth) # prevents from shrinking
$('#users').css('height', usersHeight)
top = 100 # minimum margin for the userlist (height of the navbar)
if getInSession 'display_whiteboard'
top += $('#whiteboard').height() + 10
if getInSession 'display_chatbar'
top += chatHeight + 15
$('#users').css('top', top + 'px')
# positioning the footer
chatHeight = $('#chat').height()
usersHeight = $('#users').height()
footerHeight = $('#footer').height()
footerWidth = $('#footer').width()
$('#footer').css('position', 'fixed')
$('#footer').css('left', '15%')
$('#footer').css('height', footerHeight)
$('#footer').css('width', footerWidth) # prevents from shrinking
top = 100
if getInSession 'display_whiteboard'
top += $('#whiteboard').height() + 10
if getInSession 'display_chatbar'
top += chatHeight + 15
if getInSession 'display_usersList'
top += usersHeight + 30
$('#footer').css('top', top + 'px')
# pusing the rest of the page right
$('#main').css('position', 'fixed')
$('#main').css('top', '50px')
$('#main').css('left', '15%')
# determines which browser is being used
@getBrowserName = () ->
if navigator.userAgent.match(/Chrome/i)
return 'Chrome'
else if navigator.userAgent.match(/Firefox/i)
return 'Firefox'
else if navigator.userAgent.match(/Safari/i)
return 'Safari'
else if navigator.userAgent.match(/Trident/i)
return 'IE'
else
return null