chrome.tabs.onUpdated.addListener(onTabUpdated); chrome.tabs.onRemoved.addListener(onTabRemoved); chrome.tabs.onActivated.addListener(onTabChanged); chrome.runtime.onMessage.addListener(onPlaybackUpdate); function onTabUpdated(tabId, changeInfo, tab) { chrome.tabs.get(tabId,party) } function onTabRemoved() { } function onTabChanged(activeInfo) { } function party(tab) { var patterns = [ "https://app.plex.tv", "http://app.plex.tv", "https://plex.", "http://plex." ]; importantPage = false for (var i=0;i currentLength) { alreadyPlayed = alreadyPlayed - currentLength scrobble(currentArtist,currentTitle,currentLength) } setUpdate() currentlyPlaying = true } // CASE 2: New track is being played else if (artist != currentArtist || title != currentTitle) { //first inform ourselves that the previous track has now been stopped for good stopPlayback(artist,title) //then initialize new playback console.log("New track") setUpdate() alreadyPlayed = 0 currentTitle = title currentArtist = artist currentLength = seconds console.log(artist + " - " + title + " is playing!") currentlyPlaying = true } } // the artist and title arguments are not attributes of the track being stopped, but of the track active now // they are here to recognize whether the playback has been paused or completely ended / replaced function stopPlayback(artist,title) { //CASE 1: Playback just paused OR CASE 2: Playback ended if (currentlyPlaying) { d = setUpdate() alreadyPlayed = alreadyPlayed + d console.log(d + " seconds played since last update, " + alreadyPlayed + " seconds played overall") } // Already played full song while (alreadyPlayed > currentLength) { alreadyPlayed = alreadyPlayed - currentLength scrobble(currentArtist,currentTitle,currentLength) } currentlyPlaying = false //ONLY CASE 2: Playback ended if (artist != currentArtist || title != currentTitle) { if (alreadyPlayed > currentLength / 2) { scrobble(currentArtist,currentTitle,alreadyPlayed) alreadyPlayed = 0 } } } // One problem here: Closing the player while it's paused does not cause an event, so the track will only be scrobbled the next time we play something. // Also potentially problematic: Pausing a track and just leaving it should probably trigger a scrobble after some time because we can assume the user just stopped listening but didn't bother to press the X // We could simply check for scrobblability when the track is paused, but this would remove the ability to send listening time with the scrobble function ostopPlayback(artist,title) { currentlyPlaying = false console.log("Playback stopped!") d = new Date() t = Math.floor(d.getTime()/1000) delta = t - lastUpdate console.log("Since the last update, " + delta + " seconds of music have been played") alreadyPlayed = alreadyPlayed + delta console.log(alreadyPlayed + " seconds of this track have been played overall") if ((alreadyPlayed > currentLength/2) && !alreadyScrobbled) { console.log("Enough to scrobble: " + currentArtist + " - " + currentTitle) scrobble(currentArtist,currentTitle) alreadyScrobbled = true } } function ostartPlayback(artist,title,seconds) { console.log("Playback started!") if (artist == currentArtist && title == currentTitle && !currentlyPlaying) { console.log("Still previous track!") while (alreadyPlayed > currentLength) { console.log("This song is being played several times in a row!") if (!alreadyScrobbled) { scrobble(currentArtist,currentTitle) //alreadyScrobbled = true } alreadyPlayed = alreadyPlayed - currentLength alreadyScrobbled = false } d = new Date() t = Math.floor(d.getTime()/1000) lastUpdate = t currentlyPlaying = true } else if (artist != currentArtist || title != currentTitle) { console.log("New track!") if (currentlyPlaying) { console.log("We were playing another track before, so let's check if we should scrobble that.") d = new Date() t = Math.floor(d.getTime()/1000) delta = t - lastUpdate console.log("Since the last update, " + delta + " seconds of music have been played") alreadyPlayed = alreadyPlayed + delta } console.log("The previous track was played for " + alreadyPlayed + " seconds, that's " + Math.floor(alreadyPlayed/currentLength * 100) + "% of its length.") if (alreadyPlayed > currentLength/2 && !alreadyScrobbled) { console.log("Enough to scrobble: " + currentArtist + " - " + currentTitle) scrobble(currentArtist,currentTitle) } else if (alreadyScrobbled) { console.log("We already scrobbled this track tho.") alreadyScrobbled = false } console.log("But now, new track!") d = new Date() t = Math.floor(d.getTime()/1000) lastUpdate = t alreadyPlayed = 0 currentTitle = title currentArtist = artist currentLength = seconds console.log(artist + " - " + title + " is playing!") currentlyPlaying = true } } function scrobble(artist,title,seconds) { console.log("Scrobbling " + artist + " - " + title + "; " + seconds + " seconds playtime") artiststring = encodeURIComponent(artist) titlestring = encodeURIComponent(title) APIKEY = "YDzcmp8JpYHCcvJbDOVT7nEDoyCEND6K" ///obviously this will not be hardcoded later var xhttp = new XMLHttpRequest(); xhttp.open("POST","http://localhost:42010/db/newscrobble",true); xhttp.send("artist=" + artiststring + "&title=" + titlestring + "&duration=" + seconds + "&key=" + APIKEY) } function setUpdate() { d = new Date() t = Math.floor(d.getTime()/1000) delta = t - lastUpdate lastUpdate = t return delta }