function initialize() {
    var controls = document.getElementsByClassName("pl-controls-bottom")[0];
    if (controls == null) {
        controls = document.getElementsByClassName("player-overlay-container")[0];
    }
    if (controls != null) {
        controls.style.display = "none";
    }
    
    var root = document.getElementsByClassName("player-root")[0];
    if (root != null) {
        root.style.display = "none";
    }
    
    var topBar = document.getElementById("top-bar");
    if (topBar == null) {
        topBar = document.getElementsByClassName("pl-controls-top")[0];
    }
    if (topBar != null) {
        topBar.style.display = "none";
    }
    
    var pauseOverlay = document.getElementsByClassName("player-play-overlay")[0];
    if (pauseOverlay == null) {
        pauseOverlay = document.getElementsByClassName("pl-controls-bottom")[0];
    }
    if (pauseOverlay != null) {
        pauseOverlay.style.display = "none";
    }
    
    var statusOverlay = document.getElementsByClassName("player-streamstatus")[0];
    if (statusOverlay != null) {
        statusOverlay.style.right = undefined;
        statusOverlay.style.left = "0px";
        statusOverlay.style.padding = "1.5em 1.5em 5.5em 2.5em";
    }
    
    var recommendationOverlay = document.getElementById("js-player-recommendations-overlay");
    if (recommendationOverlay != null) {
        recommendationOverlay.style.display = "none";
    }
    
    var adOverlay = document.getElementsByClassName("player-ad-overlay")[0];
    if (adOverlay != null) {
        adOverlay.style.display = "none";
    }
    
    var alertOverlay = document.getElementById("js-player-alert-container");
    if (alertOverlay != null) {
        alertOverlay.style.display = "none";
    }
    
    var video = document.getElementsByTagName("video")[0];
    if (video != null) {
        video.setAttribute("webkit-playsinline", "");
        video.setAttribute("playsinline", "");
        video.webkitEnterFullscreen = undefined;
        video.addEventListener("playing", onPlaybackStart, false);
        video.play();
    }
    
    var css = "video::-webkit-media-controls { display: none !important } video::--webkit-media-controls-play-button { display: none !important; -webkit-appearance: none; } video::-webkit-media-controls-start-playback-button { display: none !important; -webkit-appearance: none; }",
    head = document.head || document.getElementsByTagName("head")[0],
    style = document.createElement("style");
    style.type = "text/css";
    if (style.styleSheet) {
        style.styleSheet.cssText = css;
    } else {
        style.appendChild(document.createTextNode(css));
    }
    head.appendChild(style);
    
    var ageButton = document.getElementById("mature-link");
    if (ageButton != null) {
        eventFire(ageButton, "click");
    }
}

function onPlaybackStart() {
    window.parent.postMessage("playbackStarted", "*");
}

function eventFire(el, etype){
    if (el.fireEvent) {
        el.fireEvent("on" + etype);
    } else {
        var evObj = document.createEvent("Events");
        evObj.initEvent(etype, true, false);
        el.dispatchEvent(evObj);
    }
}

function togglePlayPause() {
    var playButton = document.getElementsByClassName("js-control-playpause-button")[0];
    if (playButton == null) {
        playButton = document.getElementsByClassName("player-button")[0];
    }
    
    if (playButton != null) {
        eventFire(playButton, "click");
    }
}

function receiveMessage(evt) {
    if ((typeof evt.data) != "string")
        return;
    
    try {
        var obj = JSON.parse(evt.data);
        if (!obj.event || obj.event != "inject")
            return;
        
        if (obj.command == "initialize")
            initialize();
        else if (obj.command == "playPause")
            togglePlayPause();
    } catch (ex) { }
}

window.addEventListener("message", receiveMessage, false);