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< h1 class = "page-title" > Source: source/utils/misc.brs< / h1 >
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class="sunlight-highlight-javascript linenums">import "pkg:/source/utils/config.brs"
function isNodeEvent(msg, field as string) as boolean
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return type(msg) = "roSGNodeEvent" and msg.getField() = field
end function
function getMsgPicker(msg, subnode = "" as string) as object
node = msg.getRoSGNode()
' Subnode allows for handling alias messages
if subnode < > ""
node = node.findNode(subnode)
end if
coords = node.rowItemSelected
target = node.content.getChild(coords[0]).getChild(coords[1])
return target
end function
function getButton(msg, subnode = "buttons" as string) as object
buttons = msg.getRoSGNode().findNode(subnode)
if buttons = invalid then return invalid
active_button = buttons.focusedChild
return active_button
end function
function leftPad(base as string, fill as string, length as integer) as string
while len(base) < length
base = fill + base
end while
return base
end function
function ticksToHuman(ticks as longinteger) as string
totalSeconds = int(ticks / 10000000)
hours = stri(int(totalSeconds / 3600)).trim()
minutes = stri(int((totalSeconds - (val(hours) * 3600)) / 60)).trim()
seconds = stri(totalSeconds - (val(hours) * 3600) - (val(minutes) * 60)).trim()
if val(hours) > 0 and val(minutes) < 10 then minutes = "0" + minutes
if val(seconds) < 10 then seconds = "0" + seconds
r = ""
if val(hours) > 0 then r = hours + ":"
r = r + minutes + ":" + seconds
return r
end function
function secondsToHuman(totalSeconds as integer) as string
hours = stri(int(totalSeconds / 3600)).trim()
minutes = stri(int((totalSeconds - (val(hours) * 3600)) / 60)).trim()
seconds = stri(totalSeconds - (val(hours) * 3600) - (val(minutes) * 60)).trim()
if val(hours) > 0 and val(minutes) < 10 then minutes = "0" + minutes
if val(seconds) < 10 then seconds = "0" + seconds
r = ""
if val(hours) > 0 then r = hours + ":"
r = r + minutes + ":" + seconds
return r
end function
' Format time as 12 or 24 hour format based on system clock setting
function formatTime(time) as string
hours = time.getHours()
minHourDigits = 1
if m.global.device.clockFormat = "12h"
meridian = "AM"
if hours = 0
hours = 12
meridian = "AM"
else if hours = 12
hours = 12
meridian = "PM"
else if hours > 12
hours = hours - 12
meridian = "PM"
end if
else
' For 24hr Clock, no meridian and pad hours to 2 digits
minHourDigits = 2
meridian = ""
end if
return Substitute("{0}:{1} {2}", leftPad(stri(hours).trim(), "0", minHourDigits), leftPad(stri(time.getMinutes()).trim(), "0", 2), meridian)
end function
function div_ceiling(a as integer, b as integer) as integer
if a < b then return 1
if int(a / b) = a / b
return a / b
end if
return a / b + 1
end function
'Returns the item selected or -1 on backpress or other unhandled closure of dialog.
function get_dialog_result(dialog, port)
while dialog < > invalid
msg = wait(0, port)
if isNodeEvent(msg, "backPressed")
return -1
else if isNodeEvent(msg, "itemSelected")
return dialog.findNode("optionList").itemSelected
end if
end while
'Dialog has closed outside of this loop, return -1 for failure
return -1
end function
function lastFocusedChild(obj as object) as object
if isValid(obj)
if isValid(obj.focusedChild) and isValid(obj.focusedChild.focusedChild) and LCase(obj.focusedChild.focusedChild.subType()) = "tvepisodes"
if isValid(obj.focusedChild.focusedChild.lastFocus)
return obj.focusedChild.focusedChild.lastFocus
end if
end if
child = obj
for i = 0 to obj.getChildCount()
if isValid(obj.focusedChild)
child = child.focusedChild
end if
end for
return child
else
return invalid
end if
end function
function show_dialog(message as string, options = [], defaultSelection = 0) as integer
lastFocus = lastFocusedChild(m.scene)
dialog = createObject("roSGNode", "JFMessageDialog")
if options.count() then dialog.options = options
if message.len() > 0
reg = CreateObject("roFontRegistry")
font = reg.GetDefaultFont()
dialog.fontHeight = font.GetOneLineHeight()
dialog.fontWidth = font.GetOneLineWidth(message, 999999999)
dialog.message = message
end if
if defaultSelection > 0
dialog.findNode("optionList").jumpToItem = defaultSelection
end if
dialog.visible = true
m.scene.appendChild(dialog)
dialog.setFocus(true)
port = CreateObject("roMessagePort")
dialog.observeField("backPressed", port)
dialog.findNode("optionList").observeField("itemSelected", port)
result = get_dialog_result(dialog, port)
m.scene.removeChildIndex(m.scene.getChildCount() - 1)
lastFocus.setFocus(true)
return result
end function
function message_dialog(message = "" as string)
return show_dialog(message, ["OK"])
end function
function option_dialog(options, message = "", defaultSelection = 0) as integer
return show_dialog(message, options, defaultSelection)
end function
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' take an incomplete url string and use it to make educated guesses about
' the complete url. then tests these guesses to see if it can find a jf server
' returns the url of the server it found, or an empty string
function inferServerUrl(url as string) as string
' if this server is already stored, just use the value directly
' the server had to get resolved in the first place to get into the registry
saved = get_setting("saved_servers")
if isValid(saved)
savedServers = ParseJson(saved)
if isValid(savedServers.lookup(url)) then return url
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end if
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port = CreateObject("roMessagePort")
hosts = CreateObject("roAssociativeArray")
reqs = []
candidates = urlCandidates(url)
for each endpoint in candidates
req = CreateObject("roUrlTransfer")
reqs.push(req) ' keep in scope outside of loop, else -10001
req.seturl(endpoint + "/system/info/public")
req.setMessagePort(port)
hosts.addreplace(req.getidentity().ToStr(), endpoint)
if endpoint.Left(8) = "https://"
req.setCertificatesFile("common:/certs/ca-bundle.crt")
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end if
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req.AsyncGetToString()
end for
handled = 0
timeout = CreateObject("roTimespan")
if hosts.count() > 0
while timeout.totalseconds() < 15
resp = wait(0, port)
if type(resp) = "roUrlEvent"
' TODO
' if response code is a 300 redirect then we should return the redirect url
' Make sure this happens or make it happen
if resp.GetResponseCode() = 200 and isJellyfinServer(resp.GetString())
selectedUrl = hosts.lookup(resp.GetSourceIdentity().ToStr())
print "Successfully inferred server URL: " selectedUrl
return selectedUrl
end if
end if
handled += 1
if handled = reqs.count()
print "inferServerUrl in utils/misc.brs failed to find a server from the string " url " but did not timeout."
return ""
end if
end while
print "inferServerUrl in utils/misc.brs failed to find a server from the string " url " because it timed out."
end if
return ""
end function
' this is the "educated guess" logic for inferServerUrl that generates a list of complete url's as candidates
' for the tests in inferServerUrl. takes an incomplete url as an arg and returns a list of extrapolated
' full urls.
function urlCandidates(input as string)
if input.endswith("/") then input = input.Left(len(input) - 1)
url = parseUrl(input)
if url[1] = invalid
' a proto wasn't declared
url = parseUrl("none://" + input)
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end if
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' if the proto is still invalid then the string is not valid
if url[1] = invalid then return []
proto = url[1]
host = url[2]
port = url[3]
path = url[4]
protoCandidates = []
supportedProtos = ["http:", "https:"] ' appending colons because the regex does
if proto = "none:" ' the user did not declare a protocol
' try every supported proto
for each supportedProto in supportedProtos
protoCandidates.push(supportedProto + "//" + host)
end for
else
protoCandidates.push(proto + "//" + host) ' but still allow arbitrary protocols if they are declared
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end if
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finalCandidates = []
if isValid(port) and port < > "" ' if the port is defined just use that
for each candidate in protoCandidates
finalCandidates.push(candidate + port + path)
end for
else ' the port wasnt declared so use default jellyfin and proto ports
for each candidate in protoCandidates:
' proto default
finalCandidates.push(candidate + path)
' jellyfin defaults
if candidate.startswith("https")
finalCandidates.push(candidate + ":8920" + path)
else if candidate.startswith("http")
finalCandidates.push(candidate + ":8096" + path)
end if
end for
end if
return finalCandidates
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end function
sub setFieldTextValue(field, value)
node = m.top.findNode(field)
if node = invalid or value = invalid then return
' Handle non strings... Which _shouldn't_ happen, but hey
if type(value) = "roInt" or type(value) = "Integer"
value = str(value).trim()
else if type(value) = "roFloat" or type(value) = "Float"
value = str(value).trim()
else if type(value) < > "roString" and type(value) < > "String"
value = ""
end if
node.text = value
end sub
' Returns whether or not passed value is valid
function isValid(input as dynamic) as boolean
return input < > invalid
end function
' Returns whether or not passed value is valid and not empty
' Accepts a string, or any countable type (arrays and lists)
function isValidAndNotEmpty(input as dynamic) as boolean
if not isValid(input) then return false
' Use roAssociativeArray instead of list so we get access to the doesExist() method
countableTypes = { "array": 1, "list": 1, "roarray": 1, "roassociativearray": 1, "rolist": 1 }
inputType = LCase(type(input))
if inputType = "string" or inputType = "rostring"
trimmedInput = input.trim()
return trimmedInput < > ""
else if countableTypes.doesExist(inputType)
return input.count() > 0
else
print "Called isValidAndNotEmpty() with invalid type: ", inputType
return false
end if
end function
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' Returns an array from a url = [ url, proto, host, port, subdir+params ]
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' If port or subdir are not found, an empty string will be added to the array
' Proto must be declared or array will be empty
function parseUrl(url as string) as object
rgx = CreateObject("roRegex", "^(.*:)//([A-Za-z0-9\-\.]+)(:[0-9]+)?(.*)$", "")
return rgx.Match(url)
end function
' Returns true if the string is a loopback, such as 'localhost' or '127.0.0.1'
function isLocalhost(url as string) as boolean
' https://stackoverflow.com/questions/8426171/what-regex-will-match-all-loopback-addresses
rgx = CreateObject("roRegex", "^localhost$|^127(?:\.[0-9]+){0,2}\.[0-9]+$|^(?:0*\:)*?:?0*1$", "i")
return rgx.isMatch(url)
end function
' Rounds number to nearest integer
function roundNumber(f as float) as integer
' BrightScript only has a "floor" round
' This compares floor to floor + 1 to find which is closer
m = int(f)
n = m + 1
x = abs(f - m)
y = abs(f - n)
if y > x
return m
else
return n
end if
end function
' Converts ticks to minutes
function getMinutes(ticks) as integer
' A tick is .1ms, so 1/10,000,000 for ticks to seconds,
' then 1/60 for seconds to minutes... 1/600,000,000
return roundNumber(ticks / 600000000.0)
end function
'
' Returns whether or not a version number (e.g. 10.7.7) is greater or equal
' to some minimum version allowed (e.g. 10.8.0)
function versionChecker(versionToCheck as string, minVersionAccepted as string)
leftHand = CreateObject("roLongInteger")
rightHand = CreateObject("roLongInteger")
regEx = CreateObject("roRegex", "\.", "")
version = regEx.Split(versionToCheck)
if version.Count() < 3
for i = version.Count() to 3 step 1
version.AddTail("0")
end for
end if
minVersion = regEx.Split(minVersionAccepted)
if minVersion.Count() < 3
for i = minVersion.Count() to 3 step 1
minVersion.AddTail("0")
end for
end if
leftHand = (version[0].ToInt() * 10000) + (version[1].ToInt() * 100) + (version[2].ToInt() * 10)
rightHand = (minVersion[0].ToInt() * 10000) + (minVersion[1].ToInt() * 100) + (minVersion[2].ToInt() * 10)
return leftHand >= rightHand
end function
function findNodeBySubtype(node, subtype)
foundNodes = []
for each child in node.getChildren(-1, 0)
if lcase(child.subtype()) = "group"
return findNodeBySubtype(child, subtype)
end if
if lcase(child.subtype()) = lcase(subtype)
foundNodes.push({
node: child,
parent: node
})
end if
end for
return foundNodes
end function
function AssocArrayEqual(Array1 as object, Array2 as object) as boolean
if not isValid(Array1) or not isValid(Array2)
return false
end if
if not Array1.Count() = Array2.Count()
return false
end if
for each key in Array1
if not Array2.DoesExist(key)
return false
end if
if Array1[key] < > Array2[key]
return false
end if
end for
return true
end function
' Search string array for search value. Return if it's found
function inArray(haystack, needle) as boolean
valueToFind = needle
if LCase(type(valueToFind)) < > "rostring" and LCase(type(valueToFind)) < > "string"
valueToFind = str(needle)
end if
valueToFind = lcase(valueToFind)
for each item in haystack
if lcase(item) = valueToFind then return true
end for
return false
end function
function toString(input) as string
if LCase(type(input)) = "rostring" or LCase(type(input)) = "string"
return input
end if
return str(input)
end function
sub startLoadingSpinner()
m.spinner = createObject("roSGNode", "Spinner")
m.spinner.translation = "[900, 450]"
m.spinner.visible = true
m.scene.appendChild(m.spinner)
end sub
sub startMediaLoadingSpinner()
dialog = createObject("roSGNode", "ProgressDialog")
dialog.id = "invisibiledialog"
dialog.visible = false
m.scene.dialog = dialog
startLoadingSpinner()
end sub
sub stopLoadingSpinner()
if isValid(m.spinner)
m.spinner.visible = false
end if
if isValid(m.scene) and isValid(m.scene.dialog)
m.scene.dialog.close = true
end if
end sub
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' accepts the raw json string of /system/info/public and returns
' a boolean indicating if ProductName is "Jellyfin Server"
function isJellyfinServer(systemInfo as object) as boolean
data = ParseJson(systemInfo)
if isValid(data) and isValid(data.ProductName)
return LCase(data.ProductName) = m.global.constants.jellyfin_server
end if
return false
end function
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' Check if a specific value is inside of an array
function arrayHasValue(arr as object, value as dynamic) as boolean
for each entry in arr
if entry = value
return true
end if
end for
return false
end function
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' Takes an array of data, shuffles the order, then returns the array
' uses the Fisher-Yates shuffling algorithm
function shuffleArray(array as object) as object
for i = array.count() - 1 to 1 step -1
j = Rnd(i + 1) - 1
t = array[i] : array[i] = array[j] : array[j] = t
end for
return array
end function
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< span class = "jsdoc-message" > Source code: < a href = "https://github.com/jellyfin/jellyfin-roku" > https://github.com/jellyfin/jellyfin-roku< / a > < / span > < span class = "jsdoc-message" > Jellyfin Roku Development Forum: < a href = "https://forum.jellyfin.org/f-roku-development" > https://forum.jellyfin.org/f-roku-development< / a > < / span >
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Documentation generated by < a href = "https://github.com/jsdoc3/jsdoc" > JSDoc 4.0.2< / a >
2023-11-11 00:21:43 +00:00
on Nov 11th 2023
2023-10-27 02:19:51 +00:00
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