ニコニコ動画再生ページからマイリストコメントを参照する
// ==UserScript==
// @name Nico MylistComments
// @namespace http://efcl.info/
// @description ニコニコ動画再生ページからマイリストコメントを参照する
// @include http://www.nicovideo.jp/watch/*
// @version 0.0.1.20140518104303
// ==/UserScript==
const mylistcomment_counter = unsafeWindow.so.variables.mylistcomment_counter;
if(mylistcomment_counter == 0) return;
var XPath = {
cache: null,
reset: function () {
this.cache = {__proto__: null};
},
get: function (context, expr, type) {
var x = new XPathEvaluator();
var cache = this.cache, evaluator;
if (expr in cache) {
evaluator = cache[expr];
} else {
evaluator = cache[expr] = x.createExpression(expr, null);
}
return evaluator.evaluate(context, type, null);
},
has: function (context, expr) {
return this.get(context, expr, XPathResult.BOOLEAN_TYPE).booleanValue;
},
first: function (context, expr) {
return this.get(context, expr, XPathResult.FIRST_ORDERED_NODE_TYPE).singleNodeValue;
},
last: function (context, expr) {
var all = this.get(context, expr, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE);
return all.snapshotItem(all.snapshotLength - 1) || null;
},
all: function (context, expr) {
var all = this.get(context, expr, XPathResult.ORDERED_NODE_ITERAATE_TYPE);
var ret = [];
for (var i; (i = all.iterateNext()) !== null;) {
ret.push(i);
}
return ret;
}
};
XPath.reset();
// マイリストコメントの要素
var insPnt = XPath.first(document ,"id('des_2')/table[1]//p[last()]");
var clickTag = document.createElement("input");
clickTag.type = "submit";
clickTag.value = "表示する";
clickTag.setAttribute("class","submit");
clickTag.addEventListener("click",function(){
var doc = document,isplay;
var frameObj = doc.getElementsByName("comment_frame")[0];
if(!frameObj){
makeFrame(gotFrame, "comment_frame");
}else{
toggle();
}
function toggle(){
isplay = frameObj.style.display;
if(isplay === "none"){
frameObj.style.display = "block";
}else{
frameObj.style.display = "none";
}
}
},false);
insPnt.appendChild(clickTag);
function gotFrame(iframe, win, doc) {
iframe.height = "350";
iframe.width = "600";
iframe.style.position = "fixed";
iframe.style.bottom = iframe.style.left = "0";
getMylistcomments(function(res) {
doc.body.innerHTML += res.join("\n")
});
function getMylistcomments(callback) {
var itemId = document.getElementsByName("thread_id")[0].value;
GM_xmlhttpRequest({
method: 'GET',
url: "http://www.nicovideo.jp/api/mylistcomment/list?item_type=0&item_id=" + itemId,
headers: {
'User-Agent': 'Mozilla/5.0 Greasemonkey; Nico MylistComments'
},
onload: function(res) {
var jsObject = JSON.parse(res.responseText);
var l = jsObject.mylistcomment.length;
var result = [],desc;
if (jsObject.status == "ok" && l > 0) {
for (var i = 0; i < l; i++) {
desc = jsObject.mylistcomment[i].description;
// 生放送からの登録を取り除く
if(/生放送.*?から登録/.test(desc)) continue;
if(i%2 == 0){
result.push('<p style="background-color:#cce5ff;margin:1px 0 1px;">'+desc +'</span>')
}else{
result.push('<p style="background-color:#fff;margin:1px 0 1px;">'+desc +'</span>')
}
}
callback(result)
}
}
});
}
}
// Creates a new iframe and attaches it to the DOM, waits for it to load, tests
// that we did not hit https://bugzilla.mozilla.org/show_bug.cgi?id=295813 nor
// https://bugzilla.mozilla.org/show_bug.cgi?id=388714 (and retries otherwise),
// to finally call the provided done callback, passing the iframe, its window
// and document. (The optional name parameter, if provided, will be used to name
// the iframe in window.frames, or be created as "pane-1" onwards, otherwise.)
/*
var cacllback = function(iframe, win, doc){
}
makeFrame(cacllback);
makeFrame(cacllback , "frameName");
makeFrame(cacllback , "frameName" , true);// debug mode
*/
function makeFrame(callback/*(iframeTag, window, document)*/, name, debug) {
function testInvasion() {
iframe.removeEventListener("load", done, true);
var message = ((new Date) - load.start) + "ms passed, ";
try { // probe for security violation error, in case mozilla struck a bug
var url = unsafeWindow.frames[framename].location.href;
message += url == "about:blank" ? "but we got the right document." : "and we incorrectly loaded " + url;
if (debug) console.log(message);
done();
}
catch(e) {
if (console && console.error && console.trace) {
console.error(e);
console.trace();
}
if (debug) console.log(message + "and our iframe was invaded. Trying again!");
document.body.removeChild(iframe);
makeFrame(callback, name);
}
}
function done() {
clearTimeout(load.timeout);
if (debug) console.log("IFrame %x load event after %d ms", framename, (new Date) - load.start);
var win = unsafeWindow.frames[framename];
var doc = iframe.contentWindow.document;
// 苦し紛れのエスケープ
var esframeName = "'"+framename+"'";
// 自分自身のiframeを閉じるボタン
var xImg = doc.createElement("img");
xImg.src = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAOCAYAAAAfSC3RAAAATElEQVQoka2RSQ4AIAgD+f+jp96M0aq49AgdUiB0qZCkONQ/EBAwDOrrU7A1uZqN2hodtNwRqNdz0VOg62+jzuDUcVzkf+/I6h28UQHjW25Gob5AIAAAAABJRU5ErkJggg=="
xImg.setAttribute("onclick", "parent.document.getElementsByName("+esframeName+")[0].style.display='none';");
xImg.setAttribute("style","background-color:red;border:3px;position:fixed;top:0px;right:0px");
doc.body.appendChild(xImg);
callback(iframe, win, doc);
}
var iframe = document.createElement("iframe");
var framename = iframe.name = typeof name != "undefined" ? name : ("pane" + (makeFrame.id = (makeFrame.id || 0) - 1));
iframe.setAttribute("style", "overflow:auto; " + "z-index:18999; border:0; margin:0; padding:0; " + "top:auto; right:auto; bottom:auto; left:auto;background-color:#fff");
iframe.src = "about:blank";
iframe.addEventListener("load", done, true);
var frames = makeFrame.data || {};
var load = frames[framename] || {
start: new Date,
sleepFor: 400
};
load.timeout = setTimeout(testInvasion, load.sleepFor);
load.sleepFor *= 1.5;
frames[framename] = load;
makeFrame.data = frames;
document.body.appendChild(iframe);
}