playertask.brs

Library "Roku_Ads.brs"

sub init()
  print "PlayerTask.brs [init]"
    m.top.functionName = "playContentWithAds"
    m.top.id = "PlayerTask"
end sub

sub playContentWithAds()
   print "PlayerTask.brs [playContentWithAds]"
    video = m.top.video
    ' `view` is the node under which RAF should display its UI (passed as 3rd argument of showAds())
    view = video.getParent()

    RAF = Roku_Ads()

    content = video.content
    RAF.setAdUrl(content.ad_url)
    RAF.setAdPrefs(true, 1) ' Roku ads as fallback

    keepPlaying = true 'gets set to `false` when showAds() was exited via Back button

    port = CreateObject("roMessagePort")
    if keepPlaying then
    print "PlayerTask.brs [playContentWithAds - keep playing]"
        video.observeField("position", port)
        video.observeField("state", port)
        video.visible = true
        video.control = "play"
        video.setFocus(true) 'so we can handle a Back key interruption
    end if

    curPos = 0
    currentIndex = 0
    adPods = invalid
    isPlayingPostroll = false
    while keepPlaying
        msg = wait(0, port)
        if type(msg) = "roSGNodeEvent"
            if msg.GetField() = "position" then
                ' keep track of where we reached in content
                curPos = msg.GetData()

                ' Drop an ad between playlist videos
                if currentIndex <> video.contentIndex
                  adPods = RAF.getAds()
                  if adPods <> invalid and adPods.count() > 0
                      print "PlayerTask: ads, stopping video"
                      SaveVideoView(true, content.video_ids[video.contentIndex])
                      'ask the video to stop - the rest is handled in the state=stopped event below
                      video.control = "stop"
                  else
                    SaveVideoView(false, content.video_ids[video.contentIndex])
                    currentIndex = video.contentIndex
                  end if
                end if
            else if msg.GetField() = "state" then
                curState = msg.GetData()
                print "PlayerTask: state = "; curState
                if curState = "stopped" then
                    currentIndex = video.contentIndex
                    if adPods = invalid or adPods.count() = 0 then
                        exit while
                    end if

                    print "PlayerTask: playing midroll/postroll ads"
                    keepPlaying = RAF.showAds(adPods, invalid, view)
                    adPods = invalid
                    if isPlayingPostroll then
                        exit while
                    end if
                    if keepPlaying then
                        print "PlayerTask: mid-roll finished, seek to "; stri(curPos)
                        video.visible = true
                        video.seek = curPos
                        video.control = "play"
                        video.setFocus(true) 'important: take the focus back (RAF took it above)
                    end if

                else if curState = "finished" then
                    print "PlayerTask: main content finished"
                    ' render post-roll ads
                    adPods = RAF.getAds(msg)
                    if adPods = invalid or adPods.count() = 0 then
                        exit while
                    end if
                    print "PlayerTask: has postroll ads"
                    isPlayingPostroll = true
                    ' stop the video, the post-roll would show when the state changes to  "stopped" (above)
                    video.control = "stop"
                end if
            end if
        end if
    end while

    print "PlayerTask: exiting playContentWithAds()"
end sub

sub SaveVideoView(adFilled, videoId)
 ' Save Video View
end sub