mirror of
https://github.com/wbbaddons/Tims-Chat.git
synced 2024-12-23 21:50:09 +00:00
697 lines
20 KiB
Plaintext
697 lines
20 KiB
Plaintext
Main JavaScript file for Tims Chat
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==================================
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Copyright Information
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---------------------
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"@author Tim Düsterhus"
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"@copyright 2010-2013 Tim Düsterhus"
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"@license Creative Commons Attribution-NonCommercial-ShareAlike <http://creativecommons.org/licenses/by-nc-sa/3.0/legalcode>"
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"@package be.bastelstu.chat"
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Setup
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-----
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Ensure sane values for `$` and `window`
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(($, window) ->
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# Enable strict mode
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"use strict";
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# Ensure our namespace is present
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window.be ?= {}
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be.bastelstu ?= {}
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Overwrite `console` to add the origin in front of the message
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console =
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log: (message) ->
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window.console.log "[be.bastelstu.Chat] #{message}"
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warn: (message) ->
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window.console.warn "[be.bastelstu.Chat] #{message}"
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error: (message) ->
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window.console.error "[be.bastelstu.Chat] #{message}"
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be.bastelstu.Chat
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=================
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be.bastelstu.Chat = Class.extend
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Attributes
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----------
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When `shields` reaches zero `@pe.getMessages` is stopped, to prevent annoying the server with requests that don't go through. Decreased every time `@getMessages()` fails.
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shields: 3
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Prevents loading messages in parallel.
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loading: false
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Instances of `WCF.Template`
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titleTemplate: null
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messageTemplate: null
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Attributes needed for notificationss
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newMessageCount: null
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isActive: true
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Attributes needed for autocompleter
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autocompleteOffset: 0
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autocompleteValue: null
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autocompleteCaret: 0
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Attributes needed for automated scrolling
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oldScrollTop: null
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Events one can listen to. Allows 3rd party developers to change data shown in the chat by appending a callback.
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events:
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newMessage: $.Callbacks()
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userMenu: $.Callbacks()
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submit: $.Callbacks()
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Instance of socket.io for real time chatting.
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socket: null
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Every `WCF.PeriodicalExecuter` used by the chat to allow access for 3rd party developers.
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pe:
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getMessages: null
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refreshRoomList: null
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fish: null
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Methods
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-------
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**init(@config, @titleTemplate, @messageTemplate)**
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Constructor, binds needed events and initializes `@events` and `PeriodicalExecuter`s.
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init: (@config, @titleTemplate, @messageTemplate) ->
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console.log 'Initializing'
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Bind events and initialize our own event system.
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@events =
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newMessage: $.Callbacks()
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userMenu: $.Callbacks()
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submit: $.Callbacks()
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@bindEvents()
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@events.newMessage.add $.proxy @notify, @
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Initialize `PeriodicalExecuter` and run them once.
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@pe.refreshRoomList = new WCF.PeriodicalExecuter $.proxy(@refreshRoomList, @), 60e3
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@pe.getMessages = new WCF.PeriodicalExecuter $.proxy(@getMessages, @), @config.reloadTime * 1e3
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@refreshRoomList()
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@getMessages()
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Initialize `nodePush`
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@initPush()
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Finished!
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console.log 'Finished initializing - Shields at 104 percent'
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**autocomplete(firstChars, offset = @autocompleteOffset)**
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Autocompletes a username based on the `firstChars` given and the given `offset`. `offset` allows to skip users.
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autocomplete: (firstChars, offset = @autocompleteOffset) ->
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Create an array of active chatters with usernames beginning with `firstChars`
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users = [ ]
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for user in $ '.timsChatUser'
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username = $(user).data 'username'
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if username.indexOf(firstChars) is 0
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users.push username
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If no matching user is found return `firstChars`, return the user at the given `offset` with a trailing comma otherwise.
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return if users.length is 0 then firstChars else users[offset % users.length] + ','
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**bindEvents()**
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Binds needed DOM events.
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bindEvents: ->
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Mark chat as `@isActive` and reset `document.title` to default title, thus removing the number of new messages.
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$(window).focus =>
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document.title = @titleTemplate.fetch
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title: $('#timsChatRoomList .activeMenuItem a').text()
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@newMessageCount = 0
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@isActive = true
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Mark chat as inactive, thus enabling notifications.
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$(window).blur =>
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@isActive = false
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Calls the unload handler (`@unload`) before unloading the chat.
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$(window).on 'beforeunload', =>
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@unload()
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undefined
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Inserts a smiley into the input.
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$('#smilies').on 'click', 'img', (event) =>
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@insertText ' ' + $(event.target).attr('alt') + ' '
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Switches the active sidebar tab.
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$('.timsChatSidebarTabs li').click (event) =>
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event.preventDefault()
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@toggleSidebarContents $ event.target
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Calls the submit handler (`@submit`) when the `#timsChatForm` is `submit`ted.
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$('#timsChatForm').submit (event) =>
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event.preventDefault()
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@submit $ event.target
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Autocompletes a username when TAB is pressed.
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$('#timsChatInput').keydown (event) =>
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if event.keyCode is 9
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event.preventDefault()
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Calculate `firstChars` to autocomplete, based on the caret position.
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@autocompleteValue = $('#timsChatInput').val() if @autocompleteValue is null
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@autocompleteCaret = $('#timsChatInput').getCaret() if @autocompleteCaret is null
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beforeCaret = @autocompleteValue.substring 0, @autocompleteCaret
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lastSpace = beforeCaret.lastIndexOf ' '
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beforeComplete = @autocompleteValue.substring 0, lastSpace + 1
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toComplete = @autocompleteValue.substring lastSpace + 1
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nextSpace = toComplete.indexOf ' '
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if nextSpace is -1
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afterComplete = '';
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else
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afterComplete = toComplete.substring nextSpace + 1
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toComplete = toComplete.substring 0, nextSpace
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return if toComplete.length is 0
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console.log "Autocompleting '#{toComplete}'"
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Insert completed value into `#timsChatInput`
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name = @autocomplete toComplete
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$('#timsChatInput').val "#{beforeComplete}#{name} #{afterComplete}"
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$('#timsChatInput').setCaret (beforeComplete + name).length + 1
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@autocompleteOffset++
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Resets autocompleter to default status, when a key is pressed that is not TAB.
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else
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@autocompleteOffset = 0
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@autocompleteValue = null
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@autocompleteCaret = null
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Resets autocompleter to default status, when input is `click`ed, as the position of the caret may have changed.
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$('#timsChatInput').click =>
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@autocompleteOffset = 0
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@autocompleteValue = null
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@autocompleteCaret = null
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Refreshes the room list when the associated button is `click`ed.
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$('#timsChatRoomList button').click $.proxy @refreshRoomList, @
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Clears the chat, by removing every single message.
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$('#timsChatClear').click (event) ->
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event.preventDefault()
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$('.timsChatMessage').remove()
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@oldScrollTop = null
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$('#timsChatMessageContainer').scrollTop $('#timsChatMessageContainer ul').height()
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Handling toggling when a toggable button is `click`ed.
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$('.timsChatToggle').click (event) ->
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element = $ @
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icon = element.find 'span.icon'
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if element.data('status') is 1
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element.data 'status', 0
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icon.removeClass('icon-circle-blank').addClass('icon-off')
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element.attr 'title', element.data 'enableMessage'
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else
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element.data 'status', 1
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icon.removeClass('icon-off').addClass('icon-circle-blank')
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element.attr 'title', element.data 'disableMessage'
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$('#timsChatInput').focus()
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Toggle fullscreen mode.
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$('#timsChatFullscreen').click (event) ->
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if $(@).data 'status'
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$('html').addClass 'fullscreen'
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else
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$('html').removeClass 'fullscreen'
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Scroll down when autoscrollis being activated.
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$('#timsChatAutoscroll').click (event) ->
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$(@).removeClass 'active'
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if $(@).data 'status'
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$('#timsChatMessageContainer').scrollTop $('#timsChatMessageContainer ul').height()
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@oldScrollTop = $('.timsChatMessageContainer').scrollTop()
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Ask for permissions to use Desktop notifications when notifications are activated.
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if window.Notification?
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$('#timsChatNotify').click (event) ->
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return unless $(@).data 'status'
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if window.Notification.permission isnt 'granted'
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window.Notification.requestPermission (permission) ->
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window.Notification.permission ?= permission
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**changeRoom(target)**
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Change the active chatroom. `target` is the link clicked.
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changeRoom: (target) ->
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Update URL to target URL by using `window.history.replaceState()`.
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window.history.replaceState {}, '', target.attr('href')
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$.ajax target.attr('href'),
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dataType: 'json'
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data:
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ajax: 1
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type: 'POST'
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success: (data, textStatus, jqXHR) =>
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@loading = false
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target.parent().removeClass 'loading'
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# Mark as active
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$('.activeMenuItem .timsChatRoom').parent().removeClass 'activeMenuItem'
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target.parent().addClass 'activeMenuItem'
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Update topic, hiding and showing the topic container when necessary.
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$('#timsChatTopic').text data.topic
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if data.topic is ''
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$('#timsChatTopic').addClass 'empty'
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else
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$('#timsChatTopic').removeClass 'empty'
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Mark old messages as `unloaded`.
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$('.timsChatMessage').addClass 'unloaded'
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Show the messages written before entering the room to get a quick glance at the current topic.
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@handleMessages data.messages
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Update `document.title` to reflect the cnew room.
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document.title = @titleTemplate.fetch data
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Fix smiley category URLs, as the URL changed.
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$('#smilies .menu li a').each (key, value) ->
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anchor = $(value)
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anchor.attr 'href', anchor.attr('href').replace /.*#/, "#{target.attr('href')}#"
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Reload the whole page when an error occurs. The users thus sees the error message (usually `PermissionDeniedException`)
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error: ->
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window.location.reload true
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Show loading icon and prevent switching the room in parallel.
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beforeSend: =>
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return false if target.parent().hasClass('loading') or target.parent().hasClass 'activeMenuItem'
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@loading = true
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target.parent().addClass 'loading'
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**freeTheFish()**
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Free the fish!
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freeTheFish: ->
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return if $.wcfIsset 'fish'
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console.warn 'Freeing the fish'
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fish = $ """<div id="fish">#{WCF.String.escapeHTML('><((((\u00B0>')}</div>"""
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fish.css
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position: 'absolute'
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top: '150px'
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left: '400px'
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color: 'black'
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textShadow: '1px 1px white'
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zIndex: 9999
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fish.appendTo $ 'body'
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@pe.fish = new WCF.PeriodicalExecuter () ->
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left = Math.random() * 100 - 50
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top = Math.random() * 100 - 50
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fish = $ '#fish'
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left *= -1 unless fish.width() < (fish.position().left + left) < ($(document).width() - fish.width())
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top *= -1 unless fish.height() < (fish.position().top + top) < ($(document).height() - fish.height())
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fish.text '><((((\u00B0>' if left > 0
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fish.text '<\u00B0))))><' if left < 0
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fish.animate
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top: "+=#{top}"
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left: "+=#{left}"
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, 1e3
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, 1.5e3
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**getMessages()**
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Loads new messages.
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getMessages: ->
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$.ajax @config.messageURL,
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dataType: 'json'
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type: 'POST'
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Handle reply.
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success: (data, textStatus, jqXHR) =>
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WCF.DOMNodeInsertedHandler.enable()
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@handleMessages(data.messages)
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@handleUsers(data.users)
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WCF.DOMNodeInsertedHandler.disable()
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Decrease `@shields` on error and disable PeriodicalExecuters once `@shields` reaches zero.
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error: =>
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console.error 'Battle Station hit - shields at ' + (--@shields / 3 * 104) + ' percent'
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if @shields is 0
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@pe.refreshRoomList.stop()
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@pe.getMessages.stop()
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@freeTheFish()
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console.error 'We got destroyed, but could free our friend the fish before he was killed as well. Have a nice life in freedom!'
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alert 'herp i cannot load messages'
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complete: =>
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@loading = false
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Prevent loading messages in parallel, as this leads to several problems.
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beforeSend: =>
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return false if @loading
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@loading = true
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**handleMessages(messages)**
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Inserts the `messages` given into the stream.
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handleMessages: (messages) ->
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Disable autoscroll when the user scrolled up to read old messages
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unless @oldScrollTop is null
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if $('#timsChatMessageContainer').scrollTop() < @oldScrollTop
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if $('#timsChatAutoscroll').data('status') is 1
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$('#timsChatAutoscroll').click()
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$('#timsChatAutoscroll').addClass 'active'
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$('#timsChatAutoscroll').parent().fadeOut('slow').fadeIn 'slow'
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Insert the new messages.
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for message in messages
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Prevent problems with race condition
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continue if $.wcfIsset "timsChatMessage#{message.messageID}"
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Call the `@events.newMessage` event.
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@events.newMessage.fire message
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Build HTML of the message and append it to our current message list
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output = @messageTemplate.fetch message
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li = $ '<li></li>'
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li.attr 'id', "timsChatMessage#{message.messageID}"
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li.addClass 'timsChatMessage timsChatMessage'+message.type
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li.addClass 'ownMessage' if message.sender is WCF.User.userID
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li.append output
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li.appendTo $ '#timsChatMessageContainer > ul'
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Scroll down when autoscrolling is enabled.
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$('#timsChatMessageContainer').scrollTop $('#timsChatMessageContainer ul').height() if $('#timsChatAutoscroll').data('status') is 1
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@oldScrollTop = $('#timsChatMessageContainer').scrollTop()
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**handleUsers(users)**
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Rebuild the userlist containing `users` afterwards.
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handleUsers: (users) ->
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Keep track of the users that did not leave.
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foundUsers = { }
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Loop all users.
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for user in users
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id = "timsChatUser-#{user.userID}"
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element = $ "##{id}"
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Move the user, to prevent rebuilding the entire user list.
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if element[0]
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console.log "Moving User: '#{user.username}'"
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element = element.detach()
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if user.awayStatus?
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element.addClass 'away'
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element.attr 'title', user.awayStatus
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else
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element.removeClass 'timsChatAway'
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element.removeAttr 'title'
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element.data 'tooltip', ''
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if user.suspended
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element.addClass 'suspended'
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else
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element.removeClass 'suspended'
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$('#timsChatUserList').append element
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Build HTML of new user and append it.
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else
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console.log "Inserting User: '#{user.username}'"
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li = $ '<li></li>'
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li.attr 'id', id
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li.addClass 'timsChatUser'
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li.addClass 'jsTooltip'
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li.addClass 'dropdown'
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li.addClass 'you' if user.userID is WCF.User.userID
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li.addClass 'suspended' if user.suspended
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if user.awayStatus?
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li.addClass 'timsChatAway'
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li.attr 'title', user.awayStatus
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li.data 'username', user.username
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a = $ '<a>' + WCF.String.escapeHTML(user.username) + '</a>'
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a.addClass 'userLink'
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a.addClass 'dropdownToggle'
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a.data 'userID', user.userID
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a.data 'toggle', id
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li.append a
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menu = $ '<ul></ul>'
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menu.addClass 'dropdownMenu'
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menu.append $ "<li><a>#{WCF.Language.get('chat.general.query')}</a></li>"
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menu.append $ "<li><a>#{WCF.Language.get('chat.general.kick')}</a></li>"
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menu.append $ "<li><a>#{WCF.Language.get('chat.general.ban')}</a></li>"
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# TODO: SID and co
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menu.append $ """<li><a href="index.php/User/#{user.userID}-#{encodeURI(user.username)}/">#{WCF.Language.get('chat.general.profile')}</a></li>"""
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@events.userMenu.fire user, menu
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li.append menu
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li.appendTo $ '#timsChatUserList'
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foundUsers[id] = true
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Remove all users that left the chat.
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$('.timsChatUser').each () ->
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unless foundUsers[$(@).attr('id')]?
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console.log "Removing User: '#{$(@).data('username')}'"
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$(@).remove();
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$('#toggleUsers .badge').text users.length
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**initPush()**
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Initialize socket.io to enable nodePush.
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initPush: ->
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if window.io?
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console.log 'Initializing nodePush'
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@socket = io.connect @config.socketIOPath
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@socket.on 'connect', =>
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console.log 'Connected to nodePush'
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Disable `@pe.getMessages` once we are connected.
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@pe.getMessages.stop()
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@socket.on 'disconnect', =>
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console.log 'Lost connection to nodePush'
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Reenable `@pe.getMessages` once we are disconnected.
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@pe.getMessages = new WCF.PeriodicalExecuter $.proxy(@getMessages, @), @config.reloadTime * 1e3
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@socket.on 'newMessage', =>
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@getMessages()
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**insertText(text, options)**
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Inserts the given `text` into the input. If `options.append` is truthy the given `text` will be appended and replaces the existing text otherwise. If `options.submit` is truthy the message will be submitted afterwards.
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insertText: (text, options) ->
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options = $.extend
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append: true
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submit: false
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, options or {}
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text = $('#timsChatInput').val() + text if options.append
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$('#timsChatInput').val text
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$('#timsChatInput').keyup()
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if (options.submit)
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$('#timsChatForm').submit()
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else
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$('#timsChatInput').focus()
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**notify(message)**
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Sends out notifications for the given `message`. The number of unread messages will be prepended to `document.title` and if available desktop notifications will be sent.
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notify: (message) ->
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return if @isActive or $('#timsChatNotify').data('status') is 0
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@newMessageCount++
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document.title = '(' + @newMessageCount + ') ' + @titleTemplate.fetch
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title: $('#timsChatRoomList .activeMenuItem a').text()
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# Desktop Notifications
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title = WCF.Language.get 'chat.general.notify.title'
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content = "#{message.username}#{message.separator} #{message.message}"
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if window.Notification?
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if window.Notification.permission is 'granted'
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notification = new window.Notification title,
|
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body: content
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onclick: ->
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notification.close()
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setTimeout notification.close, 5e3
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|
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**refreshRoomList()**
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Updates the room list.
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|
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refreshRoomList: ->
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console.log 'Refreshing the roomlist'
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$('#toggleRooms .ajaxLoad').show()
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|
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$.ajax $('#toggleRooms a').data('refreshUrl'),
|
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dataType: 'json'
|
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type: 'POST'
|
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success: (data, textStatus, jqXHR) =>
|
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$('#timsChatRoomList li').remove()
|
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$('#toggleRooms .ajaxLoad').hide()
|
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$('#toggleRooms .badge').text data.length
|
|
|
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for room in data
|
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li = $ '<li></li>'
|
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li.addClass 'activeMenuItem' if room.active
|
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$("""<a href="#{room.link}">#{room.title}</a>""").addClass('timsChatRoom').appendTo li
|
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$('#timsChatRoomList ul').append li
|
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|
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Bind click event for inline room change if we have the history API available.
|
|
|
|
if window.history?.replaceState?
|
|
$('.timsChatRoom').click (event) =>
|
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event.preventDefault()
|
|
@changeRoom $ event.target
|
|
|
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console.log "Found #{data.length} rooms"
|
|
|
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**submit(target)**
|
|
Submits the message.
|
|
|
|
submit: (target) ->
|
|
# Break if input contains only whitespace
|
|
return false if $('#timsChatInput').val().trim().length is 0
|
|
|
|
# Free the fish!
|
|
@freeTheFish() if $('#timsChatInput').val().trim().toLowerCase() is '/free the fish'
|
|
|
|
text = $('#timsChatInput').val()
|
|
|
|
# call submit event
|
|
# TODO: Fix this
|
|
# text = @events.submit.fire text
|
|
|
|
$('#timsChatInput').val('').focus().keyup()
|
|
|
|
proxy = new WCF.Action.Proxy
|
|
autoSend: true
|
|
data:
|
|
actionName: 'send'
|
|
className: 'chat\\data\\message\\MessageAction'
|
|
parameters:
|
|
text: text
|
|
enableSmilies: $('#timsChatSmilies').data 'status'
|
|
showLoadingOverlay: false
|
|
success: =>
|
|
$('#timsChatInputContainer').removeClass('formError').find('.innerError').hide()
|
|
@getMessages()
|
|
failure: (data) =>
|
|
return true if not (data?.returnValues?.errorType?)
|
|
|
|
$('#timsChatInputContainer').addClass('formError').find('.innerError').html(data.returnValues.errorType).show()
|
|
false
|
|
|
|
**toggleSidebarContents(target)**
|
|
Switches the active sidebar tab to the one belonging to `target`.
|
|
|
|
toggleSidebarContents: (target) ->
|
|
return if target.parents('li').hasClass 'active'
|
|
|
|
if target.parents('li').attr('id') is 'toggleUsers'
|
|
$('#toggleUsers').addClass 'active'
|
|
$('#toggleRooms').removeClass 'active'
|
|
|
|
$('#timsChatRoomList').hide()
|
|
$('#timsChatUserList').show()
|
|
else if target.parents('li').attr('id') is 'toggleRooms'
|
|
$('#toggleRooms').addClass 'active'
|
|
$('#toggleUsers').removeClass 'active'
|
|
|
|
$('#timsChatUserList').hide()
|
|
$('#timsChatRoomList').show()
|
|
|
|
**unload()**
|
|
Sends leave notification to the server.
|
|
|
|
unload: ->
|
|
$.ajax @config.unloadURL,
|
|
type: 'POST'
|
|
async: false
|
|
)(jQuery, @)
|