jf-roku/components/home/HomeRows.brs

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sub init()
m.top.itemComponentName = "HomeItem"
' how many rows are visible on the screen
m.top.numRows = 2
m.top.rowFocusAnimationStyle = "fixedFocusWrap"
m.top.vertFocusAnimationStyle = "fixedFocus"
m.top.showRowLabel = [true]
m.top.rowLabelOffset = [0, 20]
m.top.showRowCounter = [true]
updateSize()
m.top.setfocus(true)
m.top.observeField("rowItemSelected", "itemSelected")
' Load the Libraries from API via task
m.LoadLibrariesTask = createObject("roSGNode", "LoadItemsTask")
m.LoadLibrariesTask.observeField("content", "onLibrariesLoaded")
' set up tesk nodes for other rows
m.LoadContinueTask = createObject("roSGNode", "LoadItemsTask")
m.LoadContinueTask.itemsToLoad = "continue"
m.LoadNextUpTask = createObject("roSGNode", "LoadItemsTask")
m.LoadNextUpTask.itemsToLoad = "nextUp"
end sub
function loadLibraries()
m.LoadLibrariesTask.control = "RUN"
end function
sub updateSize()
sideborder = 100
m.top.translation = [111, 180]
itemWidth = 480
itemHeight = 330
'Set width of Rows to cut off at edge of Safe Zone
m.top.itemSize = [1703, itemHeight]
' spacing between rows
m.top.itemSpacing = [0, 105]
' spacing between items in a row
m.top.rowItemSpacing = [20, 0]
m.top.visible = true
end sub
sub onLibrariesLoaded()
' save data for other functions
m.libraryData = m.LoadLibrariesTask.content
m.LoadLibrariesTask.unobserveField("content")
m.LoadLibrariesTask.content = []
' create My Media, Continue Watching, and Next Up rows
content = CreateObject("roSGNode", "ContentNode")
mediaRow = content.CreateChild("HomeRow")
mediaRow.title = tr("My Media")
continueRow = content.CreateChild("HomeRow")
continueRow.title = tr("Continue Watching")
nextUpRow = content.CreateChild("HomeRow")
nextUpRow.title = tr("Next Up >")
sizeArray = [
[464, 311], ' My Media
[464, 331], ' Continue Watching
[464, 331] ' Next Up
]
' validate library data
if (m.libraryData <> invalid and m.libraryData.count() > 0) then
userConfig = m.top.userConfig
' populate My Media row
filteredMedia = filterNodeArray(m.libraryData, "id", userConfig.MyMediaExcludes)
for each item in filteredMedia
mediaRow.appendChild(item)
end for
' create a "Latest In" row for each library
filteredLatest = filterNodeArray(m.libraryData, "id", userConfig.LatestItemsExcludes)
for each lib in filteredLatest
if lib.collectionType <> "boxsets" and lib.collectionType <> "livetv" then
latestInRow = content.CreateChild("HomeRow")
latestInRow.title = tr("Latest in") + " " + lib.name + " >"
sizeArray.Push([464, 331])
end if
end for
end if
m.top.rowItemSize = sizeArray
m.top.content = content
' Load the Continue Watching Data
m.LoadContinueTask.observeField("content", "updateContinueItems")
m.LoadContinueTask.control = "RUN"
end sub
function updateHomeRows()
m.LoadContinueTask.observeField("content", "updateContinueItems")
m.LoadContinueTask.control = "RUN"
end function
function updateContinueItems()
itemData = m.LoadContinueTask.content
m.LoadContinueTask.unobserveField("content")
m.LoadContinueTask.content = []
if itemData = invalid then return false
homeRows = m.top.content
continueRowIndex = getRowIndex("Continue Watching")
if itemData.count() < 1 then
if continueRowIndex <> invalid then
' remove the row
deleteFromSizeArray(continueRowIndex)
homeRows.removeChildIndex(continueRowIndex)
end if
else
' remake row using the new data
row = CreateObject("roSGNode", "HomeRow")
row.title = tr("Continue Watching")
itemSize = [464, 331]
for each item in itemData
item.usePoster = row.usePoster
item.imageWidth = row.imageWidth
row.appendChild(item)
end for
if continueRowIndex = invalid then
' insert new row under "My Media"
updateSizeArray(itemSize, 1)
homeRows.insertChild(row, 1)
else
' replace the old row
homeRows.replaceChild(row, continueRowIndex)
end if
end if
m.LoadNextUpTask.observeField("content", "updateNextUpItems")
m.LoadNextUpTask.control = "RUN"
end function
function updateNextUpItems()
itemData = m.LoadNextUpTask.content
m.LoadNextUpTask.unobserveField("content")
m.LoadNextUpTask.content = []
if itemData = invalid then return false
homeRows = m.top.content
nextUpRowIndex = getRowIndex("Next Up >")
if itemData.count() < 1 then
if nextUpRowIndex <> invalid then
' remove the row
deleteFromSizeArray(nextUpRowIndex)
homeRows.removeChildIndex(nextUpRowIndex)
end if
else
' remake row using the new data
row = CreateObject("roSGNode", "HomeRow")
row.title = tr("Next Up") + " >"
itemSize = [464, 331]
for each item in itemData
item.usePoster = row.usePoster
item.imageWidth = row.imageWidth
row.appendChild(item)
end for
if nextUpRowIndex = invalid then
' insert new row under "Continue Watching"
continueRowIndex = getRowIndex("Continue Watching")
if continueRowIndex <> invalid then
updateSizeArray(itemSize, continueRowIndex + 1)
homeRows.insertChild(row, continueRowIndex + 1)
else
' insert it under My Media
updateSizeArray(itemSize, 1)
homeRows.insertChild(row, 1)
end if
else
' replace the old row
homeRows.replaceChild(row, nextUpRowIndex)
end if
end if
' consider home screen loaded when above rows are loaded
if m.global.app_loaded = false then
m.top.signalBeacon("AppLaunchComplete") ' Roku Performance monitoring
m.global.app_loaded = true
end if
' create task nodes for "Latest In" rows
userConfig = m.top.userConfig
filteredLatest = filterNodeArray(m.libraryData, "id", userConfig.LatestItemsExcludes)
for each lib in filteredLatest
if lib.collectionType <> "livetv" and lib.collectionType <> "boxsets" then
loadLatest = createObject("roSGNode", "LoadItemsTask")
loadLatest.itemsToLoad = "latest"
loadLatest.itemId = lib.id
metadata = { "title" : lib.name }
metadata.Append({ "contentType" : lib.json.CollectionType })
loadLatest.metadata = metadata
loadLatest.observeField("content", "updateLatestItems")
loadLatest.control = "RUN"
end if
end for
end function
function updateLatestItems(msg)
itemData = msg.GetData()
data = msg.getField()
node = msg.getRoSGNode()
node.unobserveField("content")
node.content = []
if itemData = invalid then return false
homeRows = m.top.content
rowIndex = getRowIndex(tr("Latest in") + " " + node.metadata.title + " >")
if itemData.count() < 1 then
' remove row
if rowIndex <> invalid then
deleteFromSizeArray(rowIndex)
homeRows.removeChildIndex(rowIndex)
end if
else
' remake row using new data
row = CreateObject("roSGNode", "HomeRow")
row.title = tr("Latest in") + " " + node.metadata.title + " >"
row.usePoster = true
' Handle specific types with different item widths
if node.metadata.contentType = "movies" then
row.imageWidth = 180
itemSize = [188, 331]
else if node.metadata.contentType = "music" then
row.imageWidth = 261
itemSize = [261, 331]
else
row.imageWidth = 464
itemSize = [464, 331]
end if
for each item in itemData
item.usePoster = row.usePoster
item.imageWidth = row.imageWidth
row.appendChild(item)
end for
if rowIndex = invalid then
' append new row
updateSizeArray(itemSize)
homeRows.appendChild(row)
else
' replace the old row
updateSizeArray(itemSize, rowIndex, "replace")
homeRows.replaceChild(row, rowIndex)
end if
end if
end function
function getRowIndex(rowTitle as string)
rowIndex = invalid
for i = 1 to m.top.content.getChildCount() - 1
' skip row 0 since it's always "My Media"
tmpRow = m.top.content.getChild(i)
if tmpRow.title = rowTitle then
rowIndex = i
exit for
end if
end for
return rowIndex
end function
sub updateSizeArray(rowItemSize, rowIndex = invalid, action = "insert")
sizeArray = m.top.rowItemSize
' append by default
if rowIndex = invalid then
rowIndex = sizeArray.count()
end if
newSizeArray = []
for i = 0 to sizeArray.count()
if rowIndex = i then
if action = "replace" then
newSizeArray.Push(rowItemSize)
else if action = "insert" then
newSizeArray.Push(rowItemSize)
if sizeArray[i] <> invalid then
newSizeArray.Push(sizeArray[i])
end if
end if
else if sizeArray[i] <> invalid then
newSizeArray.Push(sizeArray[i])
end if
end for
m.top.rowItemSize = newSizeArray
end sub
sub deleteFromSizeArray(rowIndex)
updateSizeArray([0, 0], rowIndex, "delete")
end sub
function itemSelected()
m.top.selectedItem = m.top.content.getChild(m.top.rowItemSelected[0]).getChild(m.top.rowItemSelected[1])
end function
function onKeyEvent(key as string, press as boolean) as boolean
handled = false
if press then
if key = "play" then
itemToPlay = m.top.content.getChild(m.top.rowItemFocused[0]).getChild(m.top.rowItemFocused[1])
if itemToPlay <> invalid and (itemToPlay.type = "Movie" or itemToPlay.type = "Episode") then
m.top.quickPlayNode = itemToPlay
end if
handled = true
end if
end if
return handled
end function
function filterNodeArray(nodeArray as object, nodeKey as string, excludeArray as object) as object
if excludeArray.IsEmpty() then return nodeArray
newNodeArray = []
for each node in nodeArray
excludeThisNode = false
for each exclude in excludeArray
if node[nodeKey] = exclude then
excludeThisNode = true
end if
end for
if excludeThisNode = false then
newNodeArray.Push(node)
end if
end for
return newNodeArray
end function