関数が外側にある

keysnail-small-tweet.js

//////////////////////////////
// twitter
function tweetstatus(aInitialInput) {
    var statusbar = document.getElementById("statusbar-display");
    var limit = 140;
    prompt.reader({
            message: "tweet:",
                initialcount: 0,
                initialinput: aInitialInput,
                group: "twitter_tweet",
                onChange: function (arg) {
                var current = arg.textbox.value;
                var length = current.length;
                var count = limit - length;
                var msg = M({
                        ja: "\u6B8B\u308A " + count + " \u6587\u5B57",
                        en: count
                    });
                if (count < 0) {
                    msg = M({
                            ja: -count + " \u6587\u5B57\u30AA\u30FC\u30D0\u30FC",
                            en: "Over " + -count + " characters"
                        });
                }
                statusbar.label = msg;
            },
                callback: function postTweet(aTweet) {
                var password;
                var username;
                var passwordManager = Cc['@mozilla.org/login-manager;1'].getService(Ci.nsILoginManager);
                var logins = passwordManager.findLogins({},
                                                        "http://twitter.com", "https://twitter.com", null);[username, password] = [logins[0].username, logins[0].password];
                var xhr = new XMLHttpRequest;
                xhr.open("POST", "http://twitter.com/statuses/update.json", false, username, password);
                xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
                xhr.send("status=" + aTweet);
            }
        });
}

ext.add("twitter-s-tweet", function () {
    tweetstatus();
 }, "tweet");

ext.add("twitter-s-tweet-this-page", function (ev, arg) {
    function shortenURL(aURL) {
        var json = Cc['@mozilla.org/dom/json;1'].createInstance(Ci.nsIJSON);
        var id = "10sr";
        var key = "R_c51f889a77cb4b4e993ed868f65083f5";
        var xhr = new XMLHttpRequest;
        var endPoint = "http://api.j.mp/shorten?" + util.format("version=2.0.1&login=%s&apiKey=%s&longUrl=%s", id, key, encodeURIComponent(aURL));
        xhr.mozBackgroundRequest = true;
        xhr.open("GET", endPoint, false);
        xhr.send(null);
        var response = json.decode(xhr.responseText);
        if (response && response.results && response.results[aURL]) {
            return response.results[aURL].shortUrl;
        }
        return aURL;
    }

    tweetstatus(window.getSelection().toString() + (arg ? "" : "\"" + content.document.title + "\" - ") + shortenURL(window.content.location.href));
}, "tweet this page");