fix 2 bugs on Tumblr Dashboard.

tumblr_dashboard_bugfix.user.js

// ==UserScript==
// @id             Tumblr Dashboard bugfix
// @name           Tumblr Dashboard bugfix
// @namespace      http://syoichi.tumblr.com/
// @author         syoichi <[email protected]>
// @version        0.0.3
// @update         2012-06-24T16:47:26.875Z(GMT+09:00)
// @description    fix 2 bugs on Tumblr Dashboard.
// @include        http://www.tumblr.com/dashboard*
// @include        http://www.tumblr.com/show/*
// @include        http://www.tumblr.com/likes*
// @include        http://www.tumblr.com/liked/by/*
// @include        http://www.tumblr.com/tagged/*
// @include        http://www.tumblr.com/blog/*
// @exclude        http://www.tumblr.com/dashboard/iframe*
// @run-at         document-end
// @priority       0
// @compatibility  Firefox 13.0.1(Scriptish 0.1.7), Chrome 19.0.1084.56, Safari 5.1.7(NinjaKit 0.9.1), Opera 12.00 on Windows 7 Home Premium SP1 64bit
// @charset        UTF-8
// @license        Public Domain
// ==/UserScript==

/*jslint browser: true, nomen: true, maxlen: 80*/
// Edition 2012-05-09

(function executeDashboardBugfix(win, doc) {
    'use strict';

    var loader, scriptContent;

    if (!doc.querySelector('li[id^="post_"]')) {
        return;
    }

    doc.head.appendChild(doc.createElement('style')).textContent = [
        'body {',
        '  margin-bottom: ' + win.innerHeight + 'px !important;',
        '}'
    ].join('\n');

    loader = doc.getElementById('auto_pagination_loader');

    if (!(/^(?:\/blog\/[\-\w]+)?\/show\//.test(location.pathname) && loader)) {
        return;
    }

    scriptContent = function scriptContent(win, doc) {
        var nextLink, basePath, nextPageNumber, oldProcess, fixNextPageUrl;

        if (!win.next_page) {
            return;
        }

        nextLink = doc.getElementById('next_page_link');

        if (!nextLink) {
            return;
        }

        basePath = location.pathname.replace(/\/(?:\d+)?$/, '') + '/';
        nextPageNumber = Number(/(\d+)(?:\/\d+)?$/.exec(nextLink.pathname)[1]);
        win.next_page = basePath + nextPageNumber;
        oldProcess = win._process_auto_paginator_response;

        fixNextPageUrl = function fixNextPageUrl(transport) {
            oldProcess(transport);

            if (!win.next_page) {
                return;
            }

            win.next_page = basePath + (nextPageNumber += 1);
        };

        win._process_auto_paginator_response = fixNextPageUrl;
    };

    doc.head.appendChild(doc.createElement('script')).textContent =
        '(' + scriptContent + '(window, document));';
}(window, document));