Source for "Better Google for iPhone"

// ==UserScript==
// @name           Better Google for iPhone
// @namespace      http://userscripts.org/scripts/show/16306
// @description    Improves mobile view for iPhone for Google services
// @version        0.4.1
//
// @include        http://www.google.com/m*
// @include        http://mail.google.com/mail/*
// @include        http://www.google.com/reader/m/*
// ==/UserScript==

(function() {
	function onMainPageResize()
	{
		// height of all child items
		var toolbarHeight = 35;
		var iframeHeight = window.innerHeight - toolbarHeight;
                changeCss(".pframe", "height", iframeHeight + "px");
        }

	function onGmailLoad()
	{
        // width of mail view
        document.body.style.width = "";

        // width of mail subject and body in list
        changeCss(".tlsubj", "width", "");
        changeCss(".tlsnippet", "width", "");
        changeCss(".dropdown", "height", "");
        changeCss(".button", "height", "");
    }

    function onReaderLoad()
    {
        // hide Google Reader logo
        //changeCss(".logo", "display", "none");

        // remove scrollbar from bottom
        changeCss(".row", "padding", "0"); // was 3px at left and right
        changeCss(".text", "padding", "8px 5px 8px 3px"); //was 8px 5px 8px 0

        // enforce link "See original" opens in new window
        xPathEnum("//a[text() = 'See original']", function(link) {link.target = '_new'; });

        // make link "Keep unread" ajaxified
        xPathEnum("//a[text() = 'Keep unread']",
                function(link)
                {
                    var url = link.href;
                    link.href = "javascript:void(0)";
                    link.addEventListener("click", function()
                    {
                        link.innerHTML = "Processing...";
                        link.removeAttribute("href");

                        GM_xmlhttpRequest({
                            method: 'GET',
                            url: url,
                            onload: function()
                            {
                                link.innerHTML = "OK";
                            }
                        });

                        return false;
                    }, false);
                });
    }

    function xPathEnum(path, functor)
	{
        var query = document.evaluate(path, document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
        for (var i = 0, length = query.snapshotLength; i < length; i++)
        {
            functor(query.snapshotItem(i));
        }
    }

    function changeCss(clazz, element, value)
    {
        var cssRulesName = "cssRules";
        for (var i = 0; i < document.styleSheets.length; i++)
        {
            try {
            var cssRules = document.styleSheets[i][cssRulesName];
            for (var j = 0; j < cssRules.length; j++)
            {
                if (cssRules[j].selectorText == clazz)
                {
                    cssRules[j].style[element] = value;
                }
            }
            } catch (e) { }
        }
    }

    /*
    // Code for testing
    GM_addStyle('#JGRSmain { position: fixed; z-index: 32767; top: 0; right: 0; padding: 0 0 0 20px; min-height: 20px; background: 2px 2px url("chrome://browser/skin/page-livemarks.png") no-repeat; }');
    var JGRSmain = document.createElement('div');
    JGRSmain.setAttribute('id', 'JGRSmain');
    document.body.appendChild(JGRSmain);
    */

    if (document.domain == "mail.google.com")
    {
        onGmailLoad();
    }
    else
    {
        onReaderLoad();

        onMainPageResize();

        window.addEventListener("resize", onMainPageResize, true);
    }
})();