var AlbumPageController = function() {
	
    /* RIPPED FROM jquerymobile-1.0a2.js */
    function getOffsetTop(ele)
    {
        var top = 0;
        if (ele)
        {
            var op = ele.offsetParent, body = document.body;
            top = ele.offsetTop;
            while (ele && ele != body)
            {
                top += ele.scrollTop || 0;
                if (ele == op)
                {
                    top += op.offsetTop;
                    op = ele.offsetParent;
                }
                ele = ele.parentNode;
            }
        }
        return top;
    }
 
    function setTop(el){
        var fromTop = $(window).scrollTop(),
            thisTop = getOffsetTop(el[0]), // el.offset().top returns the wrong value on iPad iOS 3.2.1, call our workaround instead.
            thisCSStop = el.css('top') == 'auto' ? 0 : parseFloat(el.css('top')),
            screenHeight = window.innerHeight,
            thisHeight = el.outerHeight(),
            useRelative = el.parents('.ui-page:not(.ui-page-fullscreen)').length,
            relval;
        if( el.is('.ui-header-fixed') ){
            relval = fromTop - thisTop + thisCSStop;
            if( relval < thisTop){ relval = 0; }
            return el.css('top', ( useRelative ) ? relval : fromTop);
        }
        else{
            //relval = -1 * (thisTop - (fromTop + screenHeight) + thisCSStop + thisHeight);
            //if( relval > thisTop ){ relval = 0; }
            relval = fromTop + screenHeight - thisHeight - (thisTop - thisCSStop);
            return el.css('top', ( useRelative ) ? relval : fromTop + screenHeight - thisHeight );
        }
    }
    /* END RIPPED FROM jquerymobile-1.0a2.js */
 
    function handleView()
    {
    	setTop( $("#falseFooter") );
        $("#editButton").live( "click", handleEdit );
        $("#deleteButton").live( "click", handleDelete );
    	// Watch for bound hide of page to clear from cache.
        var docId = $("#albumcontent").data("identity");
        var albumPage = $(document.getElementById("_show/album/" + docId));
        albumPage.bind( "pagehide", handlePageViewHide );
    }
    
    function handleEdit( event )
    {
        // Prevent default link event.
        event.preventDefault();
        // Access document id from data-identity.
        var docId = $("#albumcontent").data("identity");
        // Change page.
        $.mobile.changePage( "_show/album-edit/" + docId, "slide", false, true );
        return false;
    }
    
    function handleDelete( event )
    {
        // Prevent default link event.
        event.preventDefault();
        // Access document id from data-identity.
        var docId = $("#albumcontent").data("identity");
        // Change page.
        $.mobile.changePage( "_show/album-delete/" + docId, "slideup", false, false );
        return false;
    }
 
    function handlePageViewHide()
    {
    	$("#editButton").die( "click", handleEdit );
        $("#deleteButton").die( "click", handleDelete );
        
        var docId = $("#albumcontent").data("identity");
        var albumPageCache =  $(document.getElementById("_show/album/" + docId));
        albumPageCache.unbind( "pagehide", handlePageViewHide );
        albumPageCache.empty();
        albumPageCache.remove();
    }
 
    return {
        initialize : function() {
            $("div[data-role='page']").live( "pageshow", function() {
                $("div[data-role='page']").die( "pageshow" );
                handleView();
            });
        }
    };
}();
 
function handlePageViewReady()
{
    AlbumPageController.initialize();
}
$().ready( handlePageViewReady );