2023-11-11 13:41:20 +00:00
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<!DOCTYPE html><html lang="en" style="font-size:16px"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>Source: components/config/ServerDiscoveryTask.bs</title><!--[if lt IE 9]>
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2023-10-06 03:18:36 +00:00
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'
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' Task used to discover jellyfin servers on the local network
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'
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sub init()
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m.log = log.Logger("ServerDiscoveryTask")
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m.top.functionName = "execute"
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end sub
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sub execute()
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m.servers = []
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m.serverUrlMap = {}
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m.locationUrlMap = {}
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'send both requests at the same time
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SendSSDPBroadcast()
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SendClientDiscoveryBroadcast()
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ts = CreateObject("roTimespan")
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maxTimeMs = 2200
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'monitor each port and collect messages
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while True
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elapsed = ts.TotalMilliseconds()
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if elapsed >= maxTimeMs
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exit while
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end if
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msg = Wait(100, m.ssdp.port)
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if msg <> invalid
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ProcessSSDPResponse(msg)
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end if
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msg = Wait(100, m.clientDiscovery.port)
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if msg <> invalid
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ProcessClientDiscoveryResponse(msg)
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end if
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end while
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m.top.content = m.servers
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m.log.debug("Jellyfin servers found", m.servers[0], m.servers[1], m.servers[2])
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end sub
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sub AddServer(server)
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if m.serverUrlMap[server.baseUrl] = invalid
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m.serverUrlMap[server.baseUrl] = true
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m.servers.push(server)
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end if
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end sub
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sub SendClientDiscoveryBroadcast()
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m.clientDiscovery = {
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port: CreateObject("roMessagePort"),
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address: CreateObject("roSocketAddress"),
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socket: CreateObject("roDatagramSocket"),
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urlTransfer: CreateObject("roUrlTransfer")
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}
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m.clientDiscovery.address.SetAddress("255.255.255.255:7359")
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m.clientDiscovery.urlTransfer.SetPort(m.clientDiscoveryPort)
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m.clientDiscovery.socket.SetMessagePort(m.clientDiscovery.port)
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m.clientDiscovery.socket.SetSendToAddress(m.clientDiscovery.address)
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m.clientDiscovery.socket.NotifyReadable(true)
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m.clientDiscovery.socket.SetBroadcast(true)
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m.clientDiscovery.socket.SendStr("Who is JellyfinServer?")
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end sub
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sub ProcessClientDiscoveryResponse(message)
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if Type(message) = "roSocketEvent" and message.GetSocketId() = m.clientDiscovery.socket.GetId() and m.clientDiscovery.socket.IsReadable()
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try
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responseJson = m.clientDiscovery.socket.ReceiveStr(4096)
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server = ParseJson(responseJson)
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AddServer({
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name: server.Name,
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baseUrl: server.Address,
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'hardcoded icon since this service doesn't include them
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iconUrl: "pkg:/images/logo-icon120.jpg",
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iconWidth: 120,
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iconHeight: 120
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})
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m.log.info("Found Jellyfin server using client discovery", server.Address)
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catch e
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m.log.error("Error scanning for jellyfin server", message)
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end try
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end if
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end sub
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sub SendSSDPBroadcast()
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m.ssdp = {
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port: CreateObject("roMessagePort"),
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address: CreateObject("roSocketAddress"),
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socket: CreateObject("roDatagramSocket"),
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urlTransfer: CreateObject("roUrlTransfer")
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}
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m.ssdp.address.SetAddress("239.255.255.250:1900")
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m.ssdp.socket.SetMessagePort(m.ssdp.port)
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m.ssdp.socket.SetSendToAddress(m.ssdp.address)
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m.ssdp.socket.NotifyReadable(true)
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m.ssdp.urlTransfer.SetPort(m.ssdp.port)
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'brightscript can't escape characters in strings, so create a few vars here so we can use them in the strings below
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Q = Chr(34)
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CRLF = Chr(13) + Chr(10)
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ssdpStr = "M-SEARCH * HTTP/1.1" + CRLF
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ssdpStr += "HOST: 239.255.255.250:1900" + CRLF
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ssdpStr += "MAN: " + Q + "ssdp:discover" + Q + CRLF
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ssdpStr += "ST:urn:schemas-upnp-org:device:MediaServer:1" + CRLF
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ssdpStr += "MX: 2" + CRLF
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ssdpStr += CRLF
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m.ssdp.socket.SendStr(ssdpStr)
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end sub
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sub ProcessSSDPResponse(message)
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locationUrl = invalid
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if Type (message) = "roSocketEvent" and message.GetSocketId() = m.ssdp.socket.GetId() and m.ssdp.socket.IsReadable()
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recvStr = m.ssdp.socket.ReceiveStr(4096)
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match = CreateObject("roRegex", "\r\nLocation:\s*(.*?)\s*\r\n", "i").Match(recvStr)
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if match.Count() = 2
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locationUrl = match[1]
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end if
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end if
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if locationUrl = invalid
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return
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else if m.locationUrlMap[locationUrl] <> invalid
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m.log.warn("Already discovered this location", locationUrl)
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return
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end if
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m.locationUrlMap[locationUrl] = true
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http = CreateObject("roUrlTransfer")
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http.SetUrl(locationUrl)
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responseText = http.GetToString()
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xml = CreateObject("roXMLElement")
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'if we successfully parsed the response, process it
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if xml.Parse(responseText)
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deviceNode = xml.GetNamedElementsCi("device")[0]
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manufacturer = deviceNode.GetNamedElementsCi("manufacturer").GetText()
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'only process jellyfin servers
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if lcase(manufacturer) = "jellyfin"
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'find the largest icon
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width = 0
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server = invalid
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icons = deviceNode.GetNamedElementsCi("iconList")[0].GetNamedElementsCi("icon")
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for each iconNode in icons
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iconUrl = iconNode.GetNamedElementsCi("url").GetText()
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baseUrl = invalid
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match = CreateObject("roRegex", "(.*?)\/dlna\/", "i").Match(iconUrl)
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if match.Count() = 2
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baseUrl = match[1]
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end if
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loopResult = {
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name: deviceNode.GetNamedElementsCi("friendlyName").GetText(),
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baseUrl: baseUrl,
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iconUrl: iconUrl,
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iconWidth: iconNode.GetNamedElementsCi("width")[0].GetText().ToInt(),
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iconHeight: iconNode.GetNamedElementsCi("height")[0].GetText().ToInt()
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}
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if baseUrl <> invalid and loopResult.iconWidth > width
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width = loopResult.iconWidth
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server = loopResult
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end if
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end for
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AddServer(server)
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m.log.info("Found jellyfin server using SSDP and DLNA", server.baseUrl)
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end if
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end if
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end sub
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2023-11-11 13:41:20 +00:00
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</code></pre></article></section><footer class="footer" id="PeOAagUepe"><div class="wrapper"><span class="jsdoc-message">Automatically generated using <a href="https://github.com/jsdoc/jsdoc" target="_blank">JSDoc</a> and the <a href="https://github.com/ankitskvmdam/clean-jsdoc-theme" target="_blank">clean-jsdoc-theme</a>.</span></div></footer></div></div></div><div class="search-container" id="PkfLWpAbet" style="display:none"><div class="wrapper" id="iCxFxjkHbP"><button class="icon-button search-close-button" id="VjLlGakifb" aria-label="close search"><svg><use xlink:href="#close-icon"></use></svg></button><div class="search-box-c"><svg><use xlink:href="#search-icon"></use></svg> <input type="text" id="vpcKVYIppa" class="search-input" placeholder="Search..." autofocus></div><div class="search-result-c" id="fWwVHRuDuN"><span class="search-result-c-text">Type anything to view search result</span></div></div></div><div class="mobile-menu-icon-container"><button class="icon-button" id="mobile-menu" data-isopen="false" aria-label="menu"><svg><use xlink:href="#menu-icon"></use></svg></button></div><div id="mobile-sidebar" class="mobile-sidebar-container"><div class="mobile-sidebar-wrapper"><a href="/" class="sidebar-title sidebar-title-anchor">jellyfin-roku Code Documentation</a><div class="mobile-nav-links"><div class="external-link navbar-item"><a id="jellyfin-link-mobile" href="https://jellyfin.org/" target="_blank">Jellyfin</a></div><div class="external-link navbar-item"><a id="github-link-mobile" href="https://github.com/jellyfin/jellyfin-roku" target="_blank">GitHub</a></div><div class="external-link navbar-item"><a id="forum-link-mobile" href="https://forum.jellyfin.org/f-roku-development" target="_blank">Forum</a></div><div class="external-link navbar-item"><a id="matrix-link-mobile" href="https://matrix.to/#/#jellyfin-dev-roku:matrix.org" target="_blank">Matrix</a></div></div><div class="mobile-sidebar-items-c"><div class="sidebar-section-title with-arrow" data-isopen="false" id="sidebar-modules"><div>Modules</div><svg><use xlink:href="#down-icon"></use></svg></div><div class="sidebar-section-children-container"><div class="sidebar-section-children"><a href="module-AlbumData.html">AlbumData</a></div><div class="sidebar-section-children"><a href="module-AlbumGrid.html">AlbumGrid</a></div><div class="sidebar-section-children"><a href="module-AlbumTrackList.html">AlbumTrackList</a></div><div class="sidebar-section-children"><a href="module-AlbumView.html">AlbumView</a></div><div class="sidebar-section-children"><a href="module-Alpha.html">Alpha</a></div><div class="sidebar-section-children"><a href="module-ArtistView.html">ArtistView</a></div><div class="sidebar-section-children"><a href="module-AudioPlayer.html">AudioPlayer</a></div><div class="sidebar-section-children"><a href="module-AudioPlayerView.html">AudioPlayerView</a></div><div class="sidebar-section-children"><a href="module-AudioTrackListItem.html">AudioTrackListItem</a></div><div class="sidebar-section-children"><a href="module-ButtonGroupHoriz.html">ButtonGroupHoriz</a></div><div class="sidebar-section-children"><a href="module-ButtonGroupVert.html">ButtonGroupVert</a></div><div class="sidebar-section-children"><a href="module-ChannelData.html">ChannelData</a></div><div class="sidebar-section-children"><a href="module-Clock.html">Clock</a></div><div class="sidebar-section-children"><a href="module-CollectionData.html">CollectionData</a></div><div class="sidebar-section-children"><a href="module-ConfigData.html">ConfigData</a></div><div class="sidebar-section-children"><a href="module-ConfigItem.html">ConfigItem</a></div><div class="sidebar-section-children"><a href="module-ConfigList.html">ConfigList</a></div><div class="sidebar-section-children"><a href="module-ExtrasItem.html">ExtrasItem</a></div><div class="sidebar-section-children"><a href="module-ExtrasRowList.html">ExtrasRowList</a></div><div class="sidebar-section-children"><a href="module-FavoriteItemsTask.html">FavoriteItemsTask</a></div><div class="sidebar-section-children"><a href="module-Folder
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