~ken-vandine/unity-webapps-tumblr/lp1369208

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// ==UserScript==
// @include       http://tumblr.com/*
// @include       http://*.tumblr.com/*
// @include       https://tumblr.com/*
// @include       https://*.tumblr.com/*
// @require       utils.js
// ==/UserScript==

// This placeholder gets munged with real data at build time.
var WebappsGettextDict = JSON.parse(unescape(
    "%7B%22GETTEXT%22%3A%22PLACEHOLDER%22%7D"
));

window.Unity = external.getUnityObject(1.0);

function integrateDashboard() {
    function setLauncherCount() {
            // checks both messages and new post count, sums them, and displays a launcher counter.
        var i, total = 0, elements = document.getElementsByClassName("tab_notice_value");
        for (i = 0; i < elements.length; i++) {
            var count = elements[i].innerHTML;
            if (count > 0) {
                total += parseInt(count, 10);
            }
        }
        if (total > 0) {
            Unity.Launcher.setLauncherCount(total);
        } else {
            Unity.Launcher.clearCount();
        }
    }

    function checkNewMessageCount() {
        var ib = document.getElementById("inbox_button");
        var count = document.evaluate('a//span[@class="tab_notice_value"]', ib, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
        if (count === null) {
            count = 0;
        } else {
            count = parseInt(count.innerHTML, 10);
        }
        Unity.MessagingIndicator.showIndicator(_("Inbox"), { count: count,
                  onIndicatorActivated: makeRedirector("http://tumblr.com/inbox") });
    }

    Unity.addAction('/Post/Text', makeRedirector('http://tumblr.com/new/text'));
    Unity.addAction('/Post/Link', makeRedirector('http://tumblr.com/new/link'));
    Unity.addAction('/Post/Chat', makeRedirector('http://tumblr.com/new/chat'));
    Unity.addAction('/Post/Photo', makeRedirector('http://tumblr.com/new/photo'));
    Unity.addAction('/Post/Quote', makeRedirector('http://tumblr.com/new/quote'));
    Unity.addAction('/Post/Audio', makeRedirector('http://tumblr.com/new/audio'));
    Unity.addAction('/Post/Video', makeRedirector('http://tumblr.com/new/video'));

    setLauncherCount();
    checkNewMessageCount();
    setInterval(wrapCallback(setLauncherCount), 5000);
    setInterval(wrapCallback(checkNewMessageCount), 5000);
}

function integrateTumblrblog() {
    // parse tumblr controls and add hud actions

    Unity.Launcher.addAction(_("Dashboard"), makeRedirector("http://tumblr.com/dashboard"));
}

function isDashboard() {
    var i, ids = ['content', 'tabs_outter_container'];

    for (i = 0; i < ids.length; i++) {
        if (!document.getElementById(ids[i])) {
            return false;
        }
    }

    return true;
}

function isTumblrBlog() {
    return document.getElementById("tumblr_controls");
}

function setupTumblr() {
    if (isDashboard()) {
        integrateDashboard();
    } else if (isTumblrBlog()) {
        integrateTumblrblog();
    }
}

Unity.init({ name: "Tumblr",
             iconUrl: "http://assets.tumblr.com/images/logo.png",
             onInit: wrapCallback(setupTumblr),
             homepage: 'https://www.tumblr.com/',
             domain: "tumblr.com" });