Improved support for Linux

add-on/src/addon/javascript/youtube.js

@@ -0,0 +1,111 @@
+console.debug("Loading youtube.js")
+var video;
+
+function onload()
+{
+    video = document.getElementsByClassName('video-stream html5-main-video')[0];
+    statusUpdate = e => {
+        return onStatusUpdate(getState(), e.srcElement.currentTime, getSongData());
+    };
+//    video.addListener("timeupdate", statusUpdate);
+//    video.addListener("play", statusUpdate);
+//    video.addListener("pause", statusUpdate);
+//    video.addListener("ended", statusUpdate);
+    video.ontimeupdate = statusUpdate;
+    video.onplay = statusUpdate;
+    video.onpause = statusUpdate;
+    video.onended = statusUpdate;
+}
+
+function getSongData()
+{
+    return {
+        type: "edu.regis.universeplayer.browser.InternetSong",
+        location: "window.location.href",
+        title: getTitle(),
+        artists: getArtists(),
+        trackNum: 0,
+        discNum: 0,
+        duration: parseInt(getLength() * 1000),
+        album: null
+    }
+}
+
+function getState()
+{
+    if (!video)
+    {
+        return "EMPTY";
+    }
+    else if (video.ended)
+    {
+        return "FINISHED";
+    }
+    else if (video.paused)
+    {
+        return "PAUSED";
+    }
+    else
+    {
+        return "PLAYING";
+    }
+}
+
+function getTime()
+{
+    return video.currentTime;
+}
+
+function getLength()
+{
+    return video.duration;
+}
+
+function getTitle()
+{
+    return document.getElementsByTagName("meta").title.content;
+}
+
+function getArtists()
+{
+    return [document.getElementById("channel-name").getElementsByTagName("a")[0].text];
+}
+
+function play()
+{
+    if (video != null)
+    {
+        video.play();
+        return true;
+    }
+    return false;
+}
+
+function pause()
+{
+    if (video != null)
+    {
+        video.pause();
+        return true;
+    }
+    return false;
+}
+
+function seek(time)
+{
+    if (video != null)
+    {
+        video.currentTime = time;
+        return true;
+    }
+    return false;
+}
+
+if (document.readyState === "complete")
+{
+    onload();
+}
+else
+{
+    window.addEventListener("load", onload);
+}