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< h1 class = "page-title" > Source: components/manager/ViewCreator.brs< / h1 >
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class="sunlight-highlight-javascript linenums">' Play Audio
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sub CreateAudioPlayerView()
m.view = CreateObject("roSGNode", "AudioPlayerView")
m.view.observeField("state", "onStateChange")
m.global.sceneManager.callFunc("pushScene", m.view)
end sub
' Play Video
sub CreateVideoPlayerView()
m.playbackData = {}
m.selectedSubtitle = {}
m.view = CreateObject("roSGNode", "VideoPlayerView")
m.view.observeField("state", "onStateChange")
m.view.observeField("selectPlaybackInfoPressed", "onSelectPlaybackInfoPressed")
m.view.observeField("selectSubtitlePressed", "onSelectSubtitlePressed")
mediaSourceId = m.global.queueManager.callFunc("getCurrentItem").mediaSourceId
if not isValid(mediaSourceId) or mediaSourceId = ""
mediaSourceId = m.global.queueManager.callFunc("getCurrentItem").id
end if
m.getPlaybackInfoTask = createObject("roSGNode", "GetPlaybackInfoTask")
m.getPlaybackInfoTask.videoID = mediaSourceId
m.getPlaybackInfoTask.observeField("data", "onPlaybackInfoLoaded")
m.global.sceneManager.callFunc("pushScene", m.view)
end sub
' -----------------
' Event Handlers
' -----------------
' User requested subtitle selection popup
sub onSelectSubtitlePressed()
' None is always first in the subtitle list
subtitleData = {
data: [{
"Index": -1,
"IsExternal": false,
"Track": {
"description": "None"
},
"Type": "subtitleselection"
}]
}
for each item in m.view.fullSubtitleData
item.type = "subtitleselection"
if m.view.selectedSubtitle < > -1
' Subtitle is a track within the file
if item.index = m.view.selectedSubtitle
item.selected = true
end if
else
' Subtitle is from an external source
availableSubtitleTrackIndex = availSubtitleTrackIdx(item.track.TrackName)
if availableSubtitleTrackIndex < > -1
' Convert Jellyfin subtitle track name to Roku track name
subtitleFullTrackName = m.view.availableSubtitleTracks[availableSubtitleTrackIndex].TrackName
if subtitleFullTrackName = m.view.subtitleTrack
item.selected = true
end if
end if
end if
subtitleData.data.push(item)
end for
m.global.sceneManager.callFunc("radioDialog", tr("Select Subtitles"), subtitleData)
m.global.sceneManager.observeField("returnData", "onSelectionMade")
end sub
' User has selected something from the radioDialog popup
sub onSelectionMade()
m.global.sceneManager.unobserveField("returnData")
if not isValid(m.global.sceneManager.returnData) then return
if not isValid(m.global.sceneManager.returnData.type) then return
if LCase(m.global.sceneManager.returnData.type) = "subtitleselection"
processSubtitleSelection()
end if
end sub
sub processSubtitleSelection()
m.selectedSubtitle = m.global.sceneManager.returnData
' The selected encoded subtitle did not change.
if m.view.selectedSubtitle < > -1 or m.selectedSubtitle.index < > -1
if m.view.selectedSubtitle = m.selectedSubtitle.index then return
end if
' The playbackData is now outdated and must be refreshed
m.playbackData = invalid
if LCase(m.selectedSubtitle.track.description) = "none"
m.view.globalCaptionMode = "Off"
m.view.subtitleTrack = ""
if m.view.selectedSubtitle < > -1
m.view.selectedSubtitle = -1
end if
return
end if
if m.selectedSubtitle.IsEncoded
m.view.globalCaptionMode = "Off"
else
m.view.globalCaptionMode = "On"
end if
if m.selectedSubtitle.IsExternal
availableSubtitleTrackIndex = availSubtitleTrackIdx(m.selectedSubtitle.Track.TrackName)
if availableSubtitleTrackIndex = -1 then return
m.view.subtitleTrack = m.view.availableSubtitleTracks[availableSubtitleTrackIndex].TrackName
else
m.view.selectedSubtitle = m.selectedSubtitle.Index
end if
end sub
' User requested playback info
sub onSelectPlaybackInfoPressed()
' Check if we already have playback info and show it in a popup
if isValid(m.playbackData) and isValid(m.playbackData.playbackinfo)
m.global.sceneManager.callFunc("standardDialog", tr("Playback Info"), m.playbackData.playbackinfo)
return
end if
m.getPlaybackInfoTask.control = "RUN"
end sub
' The playback info task has returned data
sub onPlaybackInfoLoaded()
m.playbackData = m.getPlaybackInfoTask.data
' Check if we have playback info and show it in a popup
if isValid(m.playbackData) and isValid(m.playbackData.playbackinfo)
m.global.sceneManager.callFunc("standardDialog", tr("Playback Info"), m.playbackData.playbackinfo)
end if
end sub
' Playback state change event handlers
sub onStateChange()
if LCase(m.view.state) = "finished"
' Close any open dialogs
if m.global.sceneManager.callFunc("isDialogOpen")
m.global.sceneManager.callFunc("dismissDialog")
end if
' If there is something next in the queue, play it
if m.global.queueManager.callFunc("getPosition") < m.global.queueManager.callFunc("getCount") - 1
m.global.sceneManager.callFunc("clearPreviousScene")
m.global.queueManager.callFunc("moveForward")
m.global.queueManager.callFunc("playQueue")
return
end if
' Playback completed, return user to previous screen
m.global.sceneManager.callFunc("popScene")
m.global.audioPlayer.loopMode = ""
end if
end sub
' Roku translates the info provided in subtitleTracks into availableSubtitleTracks
' Including ignoring tracks, if they are not understood, thus making indexing unpredictable.
' This function translates between our internel selected subtitle index
' and the corresponding index in availableSubtitleTracks.
function availSubtitleTrackIdx(tracknameToFind as string) as integer
idx = 0
for each availTrack in m.view.availableSubtitleTracks
' The TrackName must contain the URL we supplied originally, though
' Roku mangles the name a bit, so we check if the URL is a substring, rather
' than strict equality
if Instr(1, availTrack.TrackName, tracknameToFind)
return idx
end if
idx = idx + 1
end for
return -1
end function
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