// ==UserScript==
// @id             video.golem.de-cf1af14e-25ea-4d9a-9924-58563eb39677@scriptish
// @name           golem-html5-vids
// @version        1.0
// @namespace      
// @author         about:robots
// @description    Kill flash and ads on video.golem.de
// @include        http://video.golem.de/*
// @run-at         document-end
// @downloadURL none
// ==/UserScript==

var url = document.URL;
var i1 = url.indexOf("/", 22) + 1;
var i2 = url.indexOf("/", i1);
var videoId = url.substring(i1, i2);

var videoUrlHD = "http://video.golem.de/download/"+videoId+"?q=high";
var videoUrlSD = "http://video.golem.de/download/"+videoId+"?q=normal";

var videoObj = document.createElement("video");
var switchObj = document.createElement("div");
var flashObj = document.getElementById("NVBPlayer"+videoId+"video");
var containerObj = document.getElementById("NVBPlayer"+videoId);

i1 = containerObj.getAttribute("style").indexOf("http");
i2 = containerObj.getAttribute("style").indexOf('"', i1);
var snapshotUrl = containerObj.getAttribute("style").substring(i1, i2);

if (localStorage.getItem("videoQuality") === null) {
  localStorage.setItem("videoQuality", "SD");
}
if (localStorage.getItem("videoQuality") == "SD") {
  videoObj.setAttribute("src", videoUrlSD);
  switchObj.innerHTML = "SD"
} else {
  videoObj.setAttribute("src", videoUrlHD);
  switchObj.innerHTML = "HD"
}
videoObj.setAttribute("height", flashObj.height);
videoObj.setAttribute("width", flashObj.width);
videoObj.setAttribute("controls", 1);
videoObj.setAttribute("poster", snapshotUrl);
videoObj.setAttribute("id", "videoGolem")

while (containerObj.hasChildNodes())
  containerObj.removeChild(containerObj.lastChild);

containerObj.appendChild(videoObj);

var styleUnfocused = "color:rgba(255,255,255,0.3);background:rgba(0,0,0,0.1);cursor:pointer;height:32px;width:32px;position:absolute;top:1em;right:0.8em;font:bold 18px/32px sans-serif;text-align:center;";
var styleMouseover = "color:rgba(255,255,255,0.5);background:rgba(0,0,0,0.2);cursor:pointer;height:32px;width:32px;position:absolute;top:1em;right:0.8em;font:bold 18px/32px sans-serif;text-align:center;";
switchObj.setAttribute("style", styleUnfocused);
switchObj.setAttribute("title", "Qualität zwischen SD und HD umschalten");
switchObj.onmouseover = function() {
  switchObj.setAttribute("style", styleMouseover);
};
switchObj.onmouseout = function() {
  switchObj.setAttribute("style", styleUnfocused);
};
switchObj.onclick = function() {
  var videoPos = videoObj.currentTime - 1.1;
  if (videoPos < 0) videoPos = 0;
  if (switchObj.innerHTML == "HD") {
    localStorage.setItem("videoQuality", "SD");
    switchObj.innerHTML = "SD";
    videoObj.setAttribute("src", videoUrlSD);
  } else {
    localStorage.setItem("videoQuality", "HD");
    switchObj.innerHTML = "HD";
    videoObj.setAttribute("src", videoUrlHD);
  }
  videoObj.play();
  videoObj.oncanplay = function() {
    videoObj.currentTime = videoPos;
    videoObj.oncanplay = "";
  };
};
containerObj.appendChild(switchObj);