// ==UserScript==
// @name           panel 
// @namespace      http://efcl.info/
// @include        http://*
// ==/UserScript==

makeFrame(gotFrame);
makeFrame(gotFrame2);

function gotFrame(iframe, win, doc) {
  iframe.height = "350";
  iframe.width = "500";
  iframe.style.position = "fixed";
  iframe.style.bottom = iframe.style.left = "0";
  doc.body.innerHTML += "Frame1ですね。"
}
function gotFrame2(iframe, win, doc) {
  iframe.height = "350";
  iframe.width = "500";
  iframe.style.position = "fixed";
  iframe.style.bottom = iframe.style.right = "0";
  iframe.style.backgroundColor = "#ddd";
  doc.body.innerHTML += "Frame2ですよ。"
}
// 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);
}