tumblr_iphone.user.js

// ==UserScript==
// @name           tumblr iphone
// @namespace      http://relaxedcolumn.blog8.fc2.com/
// @description    enable to auto load next page and open reblog window in new tab
// @include        http://www.tumblr.com/iphone*
// ==/UserScript==
//
// Bookmarklet for iPhone
// javascript:({update:500,remain:1000,url:'http://gist.github.com/137617.txt',_:function(d,e){e=d.createElement('script');e.src=this.url+"#"+this.update+","+this.remain;e.charset='utf-8';d.body.appendChild(e)}})._(document)

(function() {
// constants
var LOAD_MORE_POSTS_ID  = "load_more_posts";
var REBLOG_BUTTON_CLASS = "button half right";
var MODIFIED_CLASS_NAME = REBLOG_BUTTON_CLASS + " modified";

// setting
var params = document.body.lastChild.src.split("#")[1].split(",");
var UPDATE_INTERVAL    = params[0] || 500;
var BASE_REMAIN_HEIGHT = params[1] || 1000;

var load_more_posts = document.getElementById(LOAD_MORE_POSTS_ID);
var d = document.documentElement;

var window_height = d.clientHeight;
var scroll_height = d.scrollHeight;

change_target();
var timer = setInterval(function() {
    // check that new more posts is loaded
    var s = d.scrollHeight;
    if(scroll_height != s) {
        scroll_height = s;
        change_target();
    }

    // auto load new more posts
    if(scroll_height - (window.pageYOffset + window_height) < BASE_REMAIN_HEIGHT) {
        load_next();
    }
}, UPDATE_INTERVAL);

function load_next() {
    dispatchMouseEvent(load_more_posts);
}

function dispatchMouseEvent(element) {
    var e = document.createEvent('MouseEvents');
    e.initEvent('click', true, true);
    element.dispatchEvent(e);
}

function change_target() {
    var reblog_buttons = document.getElementsByClassName(REBLOG_BUTTON_CLASS);
    for(var i = 0, len = reblog_buttons.length; i < len; ++i) {
        var on_click = reblog_buttons[i].onclick.toString();
        var match = on_click.match(/location\.href='(.+)'/);
        if(match) (function() {
            var href = match[1];
            var button = reblog_buttons[i];
            button.className = MODIFIED_CLASS_NAME;
            button.onclick = function() { window.open(href); };
        })();
    }
}
})();