source: branches/2.2/expressoMail1_2/js/local_messages.js @ 4319

/**
 * @author diogenes
 */

function local_messages() {
    this.dbGears = null;
    this.localServer = null;
    this.store = null;
    this.filterSerch = "";
}

function charOrdA (a, b){
    a = a[0].toLowerCase();
    b = b[0].toLowerCase();
    if (a>b) return 1;
    if (a <b) return -1;
    return 0;
}
function charOrdD(a, b){
    a = a[0].toLowerCase();
    b = b[0].toLowerCase();
    if (a<b) return 1;
    if (a>b) return -1;
    return 0;
}


function HeaderFlags()
{
    this.Answered = 0;
    //this.Draft = 0;
    this.Flagged = 0;
    this.Recent = 0;
}

HeaderFlags.prototype.getAnswered = function()
{
    return this.Answered;
}

HeaderFlags.prototype.setAnswered = function(answered)
{
    this.Answered = answered;
}

//HeaderFlags.prototype.getDraft = function()
//{
//    return this.Draft;
//}

HeaderFlags.prototype.setDraft = function(draft)
{
    this.Draft = draft;
}

HeaderFlags.prototype.getFlagged = function()
{
    return this.Flagged;
}

HeaderFlags.prototype.setFlagged = function(flagged)
{
    this.Flagged = flagged;
}

HeaderFlags.prototype.getRecent = function()
{
    return this.Recent;
}

HeaderFlags.prototype.setRecent = function(recent)
{
    this.Recent = recent;
}

function FlagsParser(headerObj)
{
    this.Header = headerObj;
}

FlagsParser.prototype.parse = function()
{
    var tmp = null;
    if (typeof this.Header == 'string')
    {
        tmp = connector.unserialize(this.Header);
    }
    else
    {
        tmp = this.Header;
    }

    flags = new HeaderFlags();

    if (tmp.Answered && tmp.Answered.match(/^A$/))
    {
        flags.setAnswered(1);
    //if (tmp.Draft && tmp.Draft.match(/^X$/))
    //{
    //    flags.setDraft(1);
    //}
    }

    if (tmp.Flagged && tmp.Flagged.match(/^F$/)){
        flags.setFlagged(1);
    }

    if (tmp.Forwarded && tmp.Forwarded.match(/^F$/)){
        flags.setAnswered(1);
    //flags.setDraft(1);
    }

    if (tmp.Recent && tmp.Recent.match(/^R$/)){
        flags.setRecent(1);
    }

    return flags;

}
        
local_messages.prototype.installGears = function (){
    temp = confirm(get_lang("To use local messages you have to install google gears. Would you like to install it now?"));
    if (temp && typeof(preferences.googlegears_url) != 'undefined'){
        if (is_ie)
            location.href = preferences.googlegears_url + "/gears.exe";
        else
            location.href = preferences.googlegears_url + "/gears.xpi";
        return false;
    }
    if (temp) {
        location.href = "http://gears.google.com/?action=install&message="+
        get_lang("To use local messages, install Google Gears")+"&return=" + document.location.href;
    }
    else return false;
}

local_messages.prototype.create_objects = function() {
    if(window.google){
        if (this.dbGears == null)
            this.dbGears = google.gears.factory.create('beta.database');
        if(this.localServer == null)
            this.localServer = google.gears.factory.create('beta.localserver');
        if(this.store == null)
            this.store = this.localServer.createStore('test-store');
    }
}

local_messages.prototype.init_local_messages = function(){ //starts only database operations
                
    if(this.dbGears==null || this.localServer==null || this.store == null)
        this.create_objects();
                
    var db_in_other_use = true;
    var start_trying = new Date().getTime();
    while (db_in_other_use) {
        try {
            this.dbGears.open('database-test');
            db_in_other_use = false;
        }
        catch (ex) {
                                if(new Date().getTime()-start_trying>10000) { //too much time trying, throw an exception
                                        throw ex;
        }
    }
                }
                        
    //          this.dbGears.open('database-test');
    this.dbGears.execute('create table if not exists folder (folder text,uid_usuario int,unique(folder,uid_usuario))');
    this.dbGears.execute('create table if not exists mail' +
        ' (mail blob,original_id int,original_folder text,header blob,timestamp int,uid_usuario int,unseen int,id_folder int,' +
        ' ffrom text, subject text, fto text, cc text, body text, size int,unique (original_id,original_folder,uid_usuario,id_folder))');
    this.dbGears.execute('create table if not exists anexo' +
        ' (id_mail int,nome_anexo text,url text,pid int)');
    this.dbGears.execute('create table if not exists folders_sync' +
        ' (id_folder text,folder_name text,uid_usuario int)');
    this.dbGears.execute('create table if not exists msgs_to_remove (id_msg int,folder text,uid_usuario int)');
    this.dbGears.execute('create index if not exists idx_user3 on mail (id_folder,uid_usuario,timestamp)');
    this.dbGears.execute('create INDEX if not exists idx_folder ON folder(uid_usuario,folder)');

    //some people that used old version of local messages could not have the size column. If it's the first version
    //with local messages you're using in expresso, this part of code can be removed
    try {
        this.dbGears.execute('alter table mail add column size int');
    }catch(Exception) {
                        
    }
    var rs = this.dbGears.execute('select rowid,header from mail where size is null');
    while(rs.isValidRow()) {
        var temp = connector.unserialize(rs.field(1));
                        
        this.dbGears.execute('update mail set size='+temp.Size+' where rowid='+rs.field(0));
        rs.next();
    }
    //end of temporary code

    try {
        this.dbGears.execute('begin transaction');
        this.dbGears.execute('alter table mail add column answered int');
        //this.dbGears.execute('alter table mail add column draft int');
        this.dbGears.execute('alter table mail add column flagged int');
        this.dbGears.execute('alter table mail add column recent int');
        //this.dbGears.execute('commit transaction');
        //transaction_ended = true;
        //if (transaction_ended){
        rs = null;
        rs = this.dbGears.execute('select rowid,header from mail');

        // Popular os valores das novas colunas.
        var tmp = null;
        //this.dbGears.execute('begin transaction');
        while(rs.isValidRow()) {
            //tmp = connector.unserialize(rs.field(1));
            parser = new FlagsParser(rs.field(1));
            flags = parser.parse();

            this.dbGears.execute('update mail set answered='+flags.getAnswered()+
                ',flagged='+flags.getFlagged()+',recent='+flags.getRecent()+
                //',draft='+flags.getDraft()+' where rowid='+rs.field(0));
                ' where rowid='+rs.field(0));

            rs.next();
        }
        this.dbGears.execute('commit transaction');

    //tmp = null;

    }catch(Exception) {
        this.dbGears.execute('rollback transaction');
    }

}
        
local_messages.prototype.drop_tables = function() {
    this.init_local_messages();
    var rs = this.dbGears.execute('select url from anexo');
    while(rs.isValidRow()) {
        this.store.remove(rs.field(0));
        rs.next();
    }
    this.dbGears.execute('drop table folder');
    this.dbGears.execute('drop table mail');
    this.dbGears.execute('drop table anexo');
    this.finalize();
}
        
local_messages.prototype.insert_mail = function(msg_info,msg_header,anexos,folder) {
    try {
        this.init_local_messages();
        var unseen = 0;
        var login = msg_info.login;
        var original_id = msg_info.msg_number;
        var original_folder = msg_info.msg_folder;
                        
        //This fields needs to be separeted to search.
        var from = connector.serialize(msg_info.from);
        var subject = msg_info.subject;
        var body = msg_info.body;
        var to = connector.serialize(msg_info.toaddress2);
        var cc = connector.serialize(msg_info.cc);
        var size = msg_header.Size;
        
        //do not duplicate this information
        msg_info.from = null;
        msg_info.subject = null;
        msg_info.body = null;
        msg_info.to = null;
        msg_info.cc = null;
        msg_header.Size=null;
        //If the mail was archieved in the same date the user received it, the date cames with the time.
        //here I solved it
        if(msg_header.udate.indexOf(":")!=-1) {
            msg_header.udate = msg_header.aux_date;
        }
                        
        /**
                         * The importance attribute can be empty, and javascript consider as null causing nullpointer.
                         */
        if((msg_header.Importance == null) ||  (msg_header.Importance == ""))
            msg_header.Importance = "Normal";
                        
        msg_header.aux_date = null;
                        
        var mail = connector.serialize(msg_info);
        var header = connector.serialize(msg_header);
        
        var timestamp = msg_info.timestamp;
        var id_folder;
        
        if((folder==null) || (folder=="local_root"))
            folder = "Inbox";
        else
            folder = folder.substr(6);//take off the word "local_"
                        
        var rs = this.dbGears.execute("select rowid from folder where folder=? and uid_usuario=?",[folder,account_id]);
        if(rs.isValidRow())
            id_folder=rs.field(0);
        else {
            this.dbGears.execute("insert into folder (folder,uid_usuario) values (?,?)",["Inbox",account_id]);
            id_folder = this.dbGears.lastInsertRowId;
        }
                        
        if(msg_info.Unseen=="U")
            unseen = 1;

        //parse header
        parser = new FlagsParser(msg_header);
        flags = parser.parse();

        //insere o e-mail
        //this.dbGears.execute("insert into mail (mail,original_id,original_folder,header,timestamp,uid_usuario,unseen,id_folder,ffrom,subject,fto,cc,body,size) values (?,?,?,?,?,?,?,?,?,?,?,?,?,?)",[mail,original_id,original_folder,header,timestamp,login,unseen,id_folder,from,subject,to,cc,body,size]);
        this.dbGears.execute("insert into mail (mail,original_id,original_folder,header,timestamp,uid_usuario,unseen,id_folder,ffrom,subject,fto,cc,body,size,answered,flagged,recent) values (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)",[mail,original_id,original_folder,header,timestamp,login,unseen,id_folder,from,subject,to,cc,body,size,flags.getAnswered(),flags.getFlagged(),flags.getRecent()]);
        var call_back = function() {
        }
        this.store.capture(msg_info.url_export_file,call_back);
        var id_mail = this.dbGears.lastInsertRowId;
        
        this.insert_attachments(id_mail,anexos);
        this.finalize();
        return true;
    } catch (error) {
        this.finalize();
        return false;
    }


}
        
/**
         * check if ID is no from main tab, if it's from main returns false, else 
         * returns an array with all string in position 0, the mail id in position 1 
         * and the part of string relative to tab in position 2
         * @param {Object} id_mail
         */
local_messages.prototype.parse_id_mail = function(id_mail) { 
    if (this.isInt(id_mail))
        return false;
                
    var matches = id_mail.match(/(.+)(_[a-zA-Z0-9]+)/);
    return matches;
}
        
local_messages.prototype.isInt = function(x) {
    var y=parseInt(x);
    if (isNaN(y)) return false;
    return x==y && x.toString()==y.toString();
} 
        
local_messages.prototype.get_local_mail = function(id_mail) {
    this.init_local_messages();

    var plus_id = '';
    var matches = '';
    if(matches = this.parse_id_mail(id_mail)) { //Mails coming from other tab.
        id_mail = matches[1];
        plus_id = matches[2];
    }
                
    var rs = this.dbGears.execute("select mail.rowid,mail.mail,mail.ffrom,mail.subject,mail.body,mail.fto,mail.cc,folder.folder,mail.original_id from mail inner join folder on mail.id_folder=folder.rowid  where mail.rowid="+id_mail);
    var retorno = null;
    if(rs.isValidRow()) {
        retorno = rs.field(1);
    }
    retorno = connector.unserialize(retorno);

    //alert('tipo retorno.source: ' + typeof(retorno.source));

    if (typeof(retorno.source) == 'string')
    {
        retorno.msg_number=rs.field(0)+plus_id;
        retorno.original_ID=rs.field(8);
        retorno.msg_folder=rs.field(7);

    //alert('tipo retorno: '+typeof(retorno))
    //show_msg(retorno);
    }
    else
    {
        retorno['from'] = connector.unserialize(rs.field(2));
        retorno['subject'] = rs.field(3);
        retorno['body'] = rs.field(4);
        //Codigo que as imagens embutidas em emails (com multipart/related ou multipart/mixed) sejam corretamente mostradas em emails arquivados. Os links do
        //tipo "./inc/show_embedded_attach.php?msg_folder=[folder]&msg_num=[msg_num]&msg_part=[part]"
        //são substituidos pelos links dos anexos capturados pelo gears.

        var thumbs= retorno.thumbs;
        var anexos= retorno.array_attach;
        for (i in anexos)
        {
            if(anexos[i]['url'] && anexos[i]['url'].match(/((jpg)|(jpeg)|(png)|(gif)|(bmp))/gi))
            {
                var er_imagens = new RegExp("\\.\\/inc\\/show_embedded_attach.php\\?msg_folder=[\\w/]+\\&msg_num=[0-9]+\\&msg_part="+anexos[i]['pid']);
                var Result_imagens = er_imagens.exec(retorno['body']);
                retorno['body'] = retorno['body'].replace(Result_imagens,anexos[i]['url']);
                if(thumbs && thumbs[i]){
                    er_imagens = new RegExp("\\.\\/inc\\/show_thumbs.php\\?file_type=image\\/[\\w]+\\&msg_num=[0-9]+\\&msg_folder=[\\w/%]+\\&msg_part="+anexos[i]['pid']);
                    Result_imagens = er_imagens.exec(thumbs[i]);
                    thumbs[i] = thumbs[i].replace(Result_imagens,"'"+anexos[i]['url']+"'");
                    er_imagens = new RegExp("\\.\\/inc\\/show_img.php\\?msg_num=[0-9]+\\&msg_folder=[\\w/%]+\\&msg_part="+anexos[i]['pid']);
                    Result_imagens = er_imagens.exec(thumbs[i]);
                    thumbs[i] = thumbs[i].replace(Result_imagens,anexos[i]['url']);
                    thumbs[i] = thumbs[i].replace(/<IMG/i,'<img width="120"');
                }
            }
        }

        retorno['to'] = connector.unserialize(rs.field(5));
        retorno['cc'] = connector.unserialize(rs.field(6));

        retorno['local_message'] = true;
        retorno['msg_folder'] = "local_"+rs.field(7); //Now it's a local folder
        retorno['msg_number'] = rs.field(0)+plus_id; //the message number is the rowid

    }

    rs.close();
    this.finalize();
    return retorno;
}

local_messages.prototype.insert_attachments = function(id_msg,anexos) { 
    //insert_mail already close and open gears.
    for (var i = 0; i < anexos.length; i++) {
        this.dbGears.execute("insert into anexo (id_mail,nome_anexo,url,pid) values (?,?,?,?)", [id_msg, anexos[i]['name'],anexos[i]['url'],anexos[i]['pid']]);
        this.capt_url(anexos[i]['url']);
    }
}

local_messages.prototype.capt_url = function (url) {
    //insert_mail already close and open gears.
    var call_back = function(url,success,captureId) {
    //alert("Capturado: " + url);
    }
    //alert(url);
    this.store.capture(url,call_back);
}

local_messages.prototype.strip_tags = function (str) {
    return str.replace(/<\/?[^>]+>/gi, '');
}

local_messages.prototype.get_local_range_msgs = function(folder,msg_range_begin,emails_per_page,sort,sort_reverse,search,preview_msg_subject,preview_msg_tip) {

    this.init_local_messages();
    var retorno = new Array();
    msg_range_begin--;
                
    mail_filter = " ";
    if(search=="FLAGGED") {
        mail_filter = "and (header like '%\"Flagged\";s:1:\"F%' or header like '%\"Importance\";s:5:\"High%') ";
    }
    if(search=="UNSEEN") {
        mail_filter = "and unseen = 1 ";
    }
    if(search=="SEEN") {
        mail_filter = "and unseen = 0 ";
    }
    if (search=="ANSWERED") {
        mail_filter = "and header like '%\"Answered\";s:1:\"A%' ";
    }
                
        sql = 'select mail.rowid as rowid,mail.header as header,mail.size as size,' +
    'mail.timestamp as timestamp,mail.unseen as unseen,mail.body as body, mail.mail as mail, ' +
    'case when lower(mail.ffrom) like ? then ' +
    'case when ltrim(ltrim(substr(UPPER(fto),7,length(fto)),\':\'),\'"\') like \'5:%\' then ' +
    'substr(ltrim(ltrim(substr(UPPER(fto),7,length(fto)),\':\'),\'"\'),17) ' +
    'else ' +
    'ltrim(ltrim(substr(UPPER(fto),7,length(fto)),\':\'),\'"\') ' +
    'end ' +
    'else ' +
    'case when ltrim(ltrim(substr(UPPER(ffrom),21,length(ffrom)),\':\'),\'"\')  like \'5:%\' then ' +
    'substr(ltrim(ltrim(substr(UPPER(ffrom),21,length(ffrom)),\':\'),\'"\'),17) ' +
    'else ' +
    'ltrim(ltrim(substr(UPPER(ffrom),21,length(ffrom)),\':\'),\'"\') ' +
    'end ' +
    'end as order_from,mail.subject from mail inner join folder on mail.id_folder=folder.rowid where mail.uid_usuario=? and folder.folder=? ' +
    mail_filter + ' order by ';
                
    if(sort == 'SORTFROM') {
        sql += 'order_from ';
    }
    if(sort == 'SORTARRIVAL') {
        sql += 'timestamp ';
    }
    if(sort == 'SORTSIZE') {
        sql += 'size ';
    }
    if(sort == 'SORTSUBJECT') {
        sql += 'UPPER(subject) ';
    }


    sql+= sort_reverse==0?"ASC ":"DESC ";
    sql +='limit ?,? ';


    var rs = this.dbGears.execute(sql,['%'+Element("user_email").value+'%',account_id,folder,msg_range_begin,emails_per_page]);
    var cont = 0;
                
    var rs3 = this.dbGears.execute('select count(*) from mail inner join folder on mail.id_folder=folder.rowid where mail.uid_usuario=? and folder.folder=?'+mail_filter,[account_id,folder]);
                                
    while (rs.isValidRow()) {
        //var email = rs.field(1);
        var head = rs.field(1);
        var codigoMail = rs.field(0);
        var mail = rs.field(6);

        var msg_body = rs.field(5);//recebe o conteudo da coluna "body" do banco de dados;

        var rs2 = this.dbGears.execute('select count(*) from anexo where id_mail = '+codigoMail);
        var head_unserialized = connector.unserialize(head);
        var mail_unserialized = connector.unserialize(mail);

      head_unserialized.Size = rs.field(2);
        if(rs.field(4)==1)
            head_unserialized.Unseen = 'U';
                        

        head_unserialized.subject=(head_unserialized.subject==null)?"":unescape(head_unserialized.subject);

        //var email_unserialized = connector.unserialize(email);
        retorno[cont] = head_unserialized;
        retorno[cont]['msg_number'] = codigoMail;
        retorno[cont]['msg_day'] = mail_unserialized.msg_day;
        retorno[cont]['msg_hour'] = mail_unserialized.msg_hour;
        //declaracao do array() para receber o body de cada mensagem encontrada na busca sql realizada;

        retorno[cont]['msg_sample'] = new Array();

        if( (preview_msg_subject == 0) && (preview_msg_tip == 0) )
        {
            retorno[cont]['msg_sample']['body'] = "";
        }
        else
        {
            msg_body += ">";
            msg_body=this.strip_tags(msg_body);
            msg_body=msg_body.replace(/\&nbsp;/ig," ");
            retorno[cont]['msg_sample']['body'] = " - " + msg_body.substr(2,msg_body.length-1);
        }

        cont++;
        rs.next();
    }
    retorno['num_msgs'] = rs3.field(0);
    rs3.close();
    rs.close();
    if(cont>0)
        rs2.close();
    this.finalize();
    return retorno;
}
        
local_messages.prototype.get_url_anexo = function(msg_number,pid) {
    this.init_local_messages();
    var matches = '';
    if(matches = this.parse_id_mail(msg_number)) {
        msg_number = matches[1];
    }
                
    var retorno;
    var rs = this.dbGears.execute("select url from anexo where id_mail="+msg_number+" and pid = '"+pid+"'");
    retorno = rs.field(0)
    this.finalize();
                
    return retorno;
}

local_messages.prototype.getInputFileFromAnexo = function (element,url) { 
    this.init_local_messages();
    fileSubmitter = this.store.createFileSubmitter();
    fileSubmitter.setFileInputElement(element,url);
    this.finalize();
}

local_messages.prototype.finalize = function() {
    this.dbGears.close();
    this.dbGears = null;
}

local_messages.prototype.delete_msgs = function(msgs_number,border_ID) {
    this.init_local_messages();
    var rs = this.dbGears.execute("select url from anexo where id_mail in ("+msgs_number+")");
    while(rs.isValidRow()) {
        this.store.remove(rs.field(0));
        rs.next();
    }
    this.dbGears.execute("delete from anexo where id_mail in ("+msgs_number+")");
    this.dbGears.execute("delete from mail where rowid in ("+msgs_number+")");
    this.finalize();
    if (msgs_number.length == 1)
        write_msg(get_lang("The message was deleted."));
    else
        write_msg(get_lang("The messages were deleted."));
                
    mail_msg = Element("tbody_box");

    try {
        msgs_exploded = msgs_number.split(",");
    }catch(error) {
        msgs_exploded = new Array();
        msgs_exploded[0] = msgs_number;
    }
    var msg_to_delete;
    for (var i=0; i<msgs_exploded.length; i++){
        msg_to_delete = Element(msgs_exploded[i]);
        if (msg_to_delete){
            if ( (msg_to_delete.style.backgroundColor != '') && (preferences.use_shortcuts == '1') )
                select_msg('null', 'down');
            mail_msg.removeChild(msg_to_delete);
            decrement_folder_unseen();
        }
    }
    Element('chk_box_select_all_messages').checked = false;
    if (border_ID != 'null')
        delete_border(border_ID,'false');
                
}
        
local_messages.prototype.get_source_msg = function(id_msg) {
    this.init_local_messages();
    var rs = this.dbGears.execute("select mail from mail where rowid="+id_msg);


    mail = connector.unserialize(rs.field(0));
    download_local_attachment(mail.url_export_file)

    this.finalize();
}
        
        
        
local_messages.prototype.set_messages_flag = function(msgs_number, flag) {
    this.init_local_messages();
        var no_errors = true;
    var msgs_to_set;
        var one_message = false;
    if (msgs_number == 'get_selected_messages') {
                var msgs_to_set = get_selected_messages();
                msgs_to_set= msgs_to_set.split(",");
    }
    else { //Just one message
            one_message = true;
                msgs_to_set = new Array();
                msgs_to_set[0] = msgs_number;
    }
    for (var i in msgs_to_set) {
                        
        var matches = '';//Messages comming from other tabs.
        if(matches = this.parse_id_mail(msgs_to_set[i])) {
            msgs_to_set[i] = matches[1];
        }
                        
        var rs = this.dbGears.execute("select header,unseen,mail from mail where rowid=" + msgs_to_set[i]);
        header = connector.unserialize(rs.field(0));
        var mail = connector.unserialize(rs.field(2));
        unseen = rs.field(1);
        switch(flag) {
            case "unseen":
                        set_msg_as_unread(msgs_to_set[i]);
                        header["Unseen"] = "U";
                        mail["Unseen"] = "U";
                        mail["header"]["Unseen"] = "U";
                        unseen = 1;
                        break;
            case "flagged":
                        set_msg_as_flagged(msgs_to_set[i]);
                        header["Flagged"] = "F";
                        mail["Flagged"] = "F";
                        mail["header"]["Flagged"] = "F";
                        break;
            case "unflagged":
                        if (header["Importance"].indexOf("High") != -1) 
                                no_errors = false;
                        else {
                            set_msg_as_unflagged(msgs_to_set[i]);
                            header["Flagged"] = "N";
                                mail["Flagged"] = "N";
                                mail["header"]["Flagged"] = "N";
                        }
                break;
            case "seen":
                        header["Unseen"] = "N";
                        mail["Unseen"] = "N";
                        mail["header"]["Unseen"] = "N";
                        set_msg_as_read(msgs_to_set[i],true);
                        unseen = 0;
                        break;
            case "answered":
                        header["Draft"]="";
                        mail["Draft"] = "";
                        mail["header"]["Draft"] = "";
                        header["Answered"]="A";
                        mail["Answered"] = "A";
                        mail["header"]["Answered"] = "A";
                        Element("td_message_answered_"+msgs_to_set[i]).innerHTML = '<img src=templates/default/images/answered.gif title=Respondida>';
                break;
            case "forwarded":
                        header["Draft"]="X";
                        mail["Draft"] = "X";
                        mail["header"]["Draft"] = "X";
                        header["Answered"]="A";
                        mail["Answered"] = "A";
                        mail["header"]["Answered"] = "A";
                        Element("td_message_answered_"+msgs_to_set[i]).innerHTML = '<img src=templates/default/images/forwarded.gif title=Encaminhada>';
                        break;
        }
                
        rs.close();
                        
        if(Element("check_box_message_" + msgs_to_set[i]))
            Element("check_box_message_" + msgs_to_set[i]).checked = false;
        
        for (var i in mail.thumbs) { 
                /*
                 * Os thumbs contêm aspas simples que impactam na sql. 
                 * Aqui eu substituo as aspas simples por duas simples(escape no sqlite),
                 * Caso já venham duas juntas, elas continuam sem serem duplicadas.
                 */
                mail.thumbs[i] = mail.thumbs[i].replace(/([^'])'([^'])('?)/g,"$1''$2$3$3");
        }
        
        this.dbGears.execute("update mail set mail='"+connector.serialize(mail)+"',header='"+connector.serialize(header)+
                                                                "',unseen="+unseen+" where rowid="+msgs_to_set[i]);
    }
    if(Element('chk_box_select_all_messages'))
        Element('chk_box_select_all_messages').checked = false;
    this.finalize();
        if (!no_errors) {
                if(one_message)
                        write_msg(get_lang("this message cant be marked as normal"));
                else
                        write_msg(get_lang("At least one of selected message cant be marked as normal"));
                return false;
        }
        return true;

}
        
local_messages.prototype.set_message_flag = function(msg_number,flag,func_after_flag_change) {
    no_errors = this.set_messages_flag(msg_number,flag);
        if(no_errors && func_after_flag_change)
                func_after_flag_change(true);
}
        
local_messages.prototype.get_unseen_msgs_number = function() {
    this.init_local_messages();
    var rs = this.dbGears.execute("select count(*) from mail where unseen=1");
    var retorno = rs.field(0);
    rs.close();
    this.finalize();
    return retorno;
}

local_messages.prototype.create_folder = function(folder) {

    if (folder.indexOf("local_") != -1)
        return false; //can't create folder with string local_

    this.init_local_messages();
    try {
        this.dbGears.execute("insert into folder (folder,uid_usuario) values (?,?)",[folder,account_id]);
    } catch (error) {
        this.finalize();
        return false;
    }
    this.finalize();
    return true;
}

local_messages.prototype.list_local_folders = function(folder) {
    this.init_local_messages();
    var retorno = new Array();
    var retorno_defaults = new Array();
    rs = this.dbGears.execute("select folder,rowid from folder where uid_usuario=?",[account_id]);
//    rs = this.dbGears.execute("select folder.folder,sum(mail.unseen) from folder left join mail on "+
//      "folder.rowid=mail.id_folder where folder.uid_usuario=? group by folder.folder",[account_id]);
    var achouInbox = false,achouSent = false ,achouSentConf = false,achouTrash = false,achouDrafts = false;
    while(rs.isValidRow()) {
        var temp = new Array();
        temp[0] = rs.field(0);
        var rs2 = this.dbGears.execute("select count(*) from mail where id_folder=? and unseen=1",[rs.field(1)]);
         rs2.field(0)? temp[1] = rs2.field(0):temp[1]=0;

        var rs3 = this.dbGears.execute("select * from folder where folder like ? limit 1",[temp[0]+"/%"]);
        if(rs3.isValidRow())
            temp[2] = 1;
        else
            temp[2] = 0;

        if(sentfolder ==  preferences.save_in_folder.replace("INBOX/","") || preferences.save_in_folder.replace("INBOX/","") == trashfolder || preferences.save_in_folder.replace("INBOX/","") == draftsfolder)
            achouSentConf= true;

        switch (temp[0]) {
            case 'Inbox':
                retorno_defaults[0] = temp;
                achouInbox = true;
                break;
            case sentfolder :
                retorno_defaults[1] = temp;
                achouSent = true;
                break;
            case trashfolder:
                retorno_defaults[3] = temp;
                achouTrash = true;
                break;
            case draftsfolder:
                retorno_defaults[4] = temp;
                achouDrafts = true;
                break;
            case preferences.save_in_folder.replace("INBOX/",""):
                retorno_defaults[2] = temp;
                achouSentConf = true;
                break;
            default:
                retorno.push(temp);
        }

        rs.next();
    }

    rs.close();
    this.finalize();

    if(preferences.auto_create_local=='0' || (achouInbox && achouSent && achouSentConf && achouTrash && achouDrafts)){
        var retorno_final = retorno_defaults.concat(retorno.sort(charOrdA));
        return retorno_final;
    }else{
        if(!achouInbox)
            this.create_folder('Inbox');
        if(!achouSent)
            this.create_folder(sentfolder);
        if(!achouTrash)
            this.create_folder(trashfolder);
        if(!achouDrafts)
            this.create_folder(draftsfolder);
        if(!achouSentConf)
            this.create_folder(preferences.save_in_folder.replace("INBOX/",""));
        return this.list_local_folders();
    }

}
local_messages.prototype.rename_folder = function(folder,old_folder) {
    if (folder.indexOf("local_") != -1)
        return false; //can't create folder with string local_
    this.init_local_messages();
    if (old_folder.indexOf("/") != "-1") {
        final_pos = old_folder.lastIndexOf("/");
        folder = old_folder.substr(0, final_pos) + "/" + folder;
    }
    try {
        this.dbGears.execute("update folder set folder=? where folder=? and uid_usuario=?",[folder,old_folder,account_id]);
    } catch (error) {
        this.finalize();
        return false;
    }
    rs = this.dbGears.execute("select folder from folder where folder like ? and uid_usuario=?",[old_folder+'/%',account_id]);
    while(rs.isValidRow()) {
        folder_tmp = rs.field(0);
        folder_new = folder_tmp.replace(old_folder,folder);
        this.dbGears.execute("update folder set folder=? where folder=?",[folder_new,folder_tmp]);
        rs.next();
    }


    this.finalize();
    return true;
}
        
local_messages.prototype.remove_folder = function(folder) {
    this.init_local_messages();
    var rs = this.dbGears.execute("select count(rowid) from folder where folder like ? and uid_usuario=?",[folder+"/%",account_id]);
    var sons = rs.field(0);
    rs.close();

    if(sons == 0){
                var rs = this.dbGears.execute("select rowid from folder where folder=? and uid_usuario=?",[folder,account_id]);
                var folder_id = rs.field(0);
                rs.close();
                this.dbGears.execute("delete from folder where rowid=?",[folder_id]);
                rs = this.dbGears.execute("select rowid,mail from mail where id_folder=?",[folder_id]);
                while(rs.isValidRow()) {
                    var rs2 = this.dbGears.execute("select url from anexo where id_mail=?",[rs.field(0)]);
                    while(rs2.isValidRow()) {
                        this.store.remove(rs2.field(0));
                        rs2.next();
                    }
                    rs2.close();
                    this.dbGears.execute("delete from anexo where id_mail=?",[rs.field(0)]);
                    var mail = connector.unserialize(rs.field(1));
                    this.store.remove(mail.url_export_file);
                    rs.next();
                }
                rs.close();
                this.dbGears.execute("delete from mail where id_folder=?",[folder_id]);
                this.finalize();
                return true;
    }else  {
                this.finalize();
                return false;
    }

}

local_messages.prototype.move_messages = function(new_folder,msgs_number) {
    this.init_local_messages();
    var rs = this.dbGears.execute("select rowid from folder where folder=? and uid_usuario=?",[new_folder,account_id]);
    var id_folder = rs.field(0);
    rs.close();
    this.dbGears.execute("update mail set id_folder="+id_folder+" where rowid in ("+msgs_number.toString()+")"); //usando statement não tava funcionando quando tinha mais de um email...
    this.finalize();
}

local_messages.prototype.setFilter = function(sFilter)
{
        this.filterSerch = sFilter;
}

local_messages.prototype.getFilter = function()
{
        return this.filterSerch;
}

local_messages.prototype.search = function(folders,sFilter) {
    this.init_local_messages();
    this.setFilter(sFilter);
    var filters = sFilter.replace(/^##|##$/g,"").split('##');
    var friendly_filters = new Array();

    if (sFilter.indexOf('ALL') != -1) { //all filters...
        filters[0] = sFilter.replace(/##/g,"");
        tmp = filters[0].split("<=>");

        searchKey = new Array();
        searchKey.push("SUBJECT");
        searchKey.push(tmp[1]);
        friendly_filters.push(searchKey);

        searchKey = new Array();
        searchKey.push("BODY");
        searchKey.push(tmp[1]);
        friendly_filters.push(searchKey);

        searchKey = new Array();
        searchKey.push("FROM");
        searchKey.push(tmp[1]);
        friendly_filters.push(searchKey);

        searchKey = new Array();
        searchKey.push("TO");
        searchKey.push(tmp[1]);
        friendly_filters.push(searchKey);

        searchKey = new Array();
        searchKey.push("CC");
        searchKey.push(tmp[1]);
        friendly_filters.push(searchKey);
    }
    else {
        for (var i=0; i<filters.length; i++)
        {
            if (filters[i] != ""){
                //tmp[0] = tmp[0].replace(/^\s+|\s+$/g,"");
                //tmp[1] = tmp[1].replace(/^\s+|\s+$/g,"");
                friendly_filters.push(filters[i].split("<=>"));
            }
        }
    }
    var sql = "select mail.header,folder.folder,mail.rowid,size from mail inner join folder on mail.id_folder=folder.rowid where mail.uid_usuario="+account_id + " and folder.folder in (";
    for(var fnum in folders) {
        sql+="'"+folders[fnum]+"'";
        if(fnum<folders.length-1)
            sql+=",";
    }
    sql += ") and (";
    for (var z=0;z<friendly_filters.length;z++) {
        if (z != 0) {
            if (sFilter.indexOf('ALL') != -1)
                sql += " or";
            else
                sql += " and";
        }
        var cond = friendly_filters[z][0].replace(/^\s+|\s+$/g,"");
        if (cond == "SINCE" || cond == "BEFORE" | cond == "ON"){

            tmpDate = friendly_filters[z][1].replace(/\%2F/g,"/").split('/');

            // Date = url_decode(friendly_filters[z][1]);
            sql+=" mail.timestamp " + this.aux_convert_filter_field(friendly_filters[z][0], tmpDate);
        }
        else if (!friendly_filters[z][1])
        {
            sql+=" mail."+this.aux_convert_filter_field(friendly_filters[z][0]);
        }
        else
        {
            sql+=" mail."+this.aux_convert_filter_field(friendly_filters[z][0])+" like '%"+url_decode(friendly_filters[z][1])+"%'";
        }
    }
    sql += ")";
    var rs = this.dbGears.execute(sql);
    var retorno = [];
    var numRec = 0;
    
    while( rs.isValidRow() )
    {
                var header                      = connector.unserialize( rs.field(0) );
                var date_formated       = ( header["udate"] ).toString();
                /* 
                 * Antigamente o udate vinha com o formato de data e foi alterado para vir o timestamp. 
                 * Nesse caso, e-mails arquivados anteriormente usamos o udate, caso contrario, usamos o smalldate,
                 * pois o udate agora vem como timestamp
                 * verifica tambem no caso de mensagens antigas que nao exista o smalldate
                 * definir 
                */
                if( !date_formated.match(/\d{2}\/\d{2}\/\d{4}/) ) 
                {
                        if ( (typeof(header["smalldate"]) != "undefined") && (!header["smalldate"].match(/\d{2}\:\d{2}/) ) ){
                                date_formated = header["smalldate"];
                        }else{
                                var day = new Date();
                                day.setTime(header["udate"] * 1000);
                                aux_dia = day.getDate() < 10 ? '0' + day.getDate() : day.getDate();
                                aux_mes = day.getMonth()+1; // array start with '0..11'
                                aux_mes = aux_mes < 10 ? '0' + aux_mes : aux_mes;
                                date_formated = aux_dia + '/' +  aux_mes + '/' + day.getFullYear();
                        }
                }

                retorno[ numRec++ ] = 
                { 
                        'from'          : header["from"]["name"],
                        'subject'       : unescape(header["subject"]),
                        'udate'         : date_formated,
                        'size'          : rs.field(3),
                        'flag'          : header["Unseen"]+header["Recent"]+header["Flagged"]+header["Draft"],
                        'boxname'       : "local_"+rs.field(1),
                        'uid'           : rs.field(2)
                }

                rs.next();
    }

    this.finalize();

    return ( retorno.length > 0 ) ? retorno : false ;
}
        
local_messages.prototype.aux_convert_size = function(size) {
    var tmp = Math.floor(size/1024);
    if(tmp >= 1){
        return tmp + " kb";
    }else{
        return size + " b";
    }
                
}
        
local_messages.prototype.aux_convert_filter_field = function(filter,date) 
{
        var dateObj;
    
        if (typeof date != 'undefined')
    {
        dateObj = new Date(date[2],date[1]-1,date[0]);
    }

    if((filter=="SUBJECT ") || (filter=="SUBJECT"))
        return "subject";
    else if((filter=="BODY ") || (filter=="BODY"))
        return "body";
    else if((filter=="FROM ") || (filter=="FROM"))
        return "ffrom";
    else if((filter=="TO ") || (filter=="TO"))
        return "fto";
    else if((filter=="CC ") || (filter=="CC"))
        return "cc";
    else if (filter.replace(/^\s+|\s+$/g,"") == "SINCE"){
        dateObj.setHours(0, 0, 0, 0);
        return ">= " + dateObj.getTime().toString(10).substr(0, 10);
    }
    else if (filter.replace(/^\s+|\s+$/g,"") == "BEFORE"){
        dateObj.setHours(23, 59, 59, 999);
        return "<= " + dateObj.getTime().toString(10).substr(0, 10);
    }
    else if (filter.replace(/^\s+|\s+$/g,"") == "ON"){
        dateObj.setHours(0, 0, 0, 0);
        var ts1 = dateObj.getTime().toString(10).substr(0, 10);
        dateObj.setHours(23, 59, 59, 999);
        var ts2 = dateObj.getTime().toString(10).substr(0, 10);
        return ">= " + ts1 + ") and (timestamp <= " + ts2;
    }
    else if (filter.replace(/^\s+|\s+$/g,"") == "FLAGGED")
        return "flagged = 1";
    else if (filter.replace(/^\s+|\s+$/g,"") == "UNFLAGGED")
        return "flagged = 0";
    else if (filter.replace(/^\s+|\s+$/g,"") == "UNSEEN")
        return "unseen = 1";
    else if (filter.replace(/^\s+|\s+$/g,"") == "SEEN")
        return "unseen = 0";
    else if (filter.replace(/^\s+|\s+$/g,"") == "ANSWERED")
        return "answered = 1";
    else if (filter.replace(/^\s+|\s+$/g,"") == "UNANSWERED")
        return "answered = 0";
    else if (filter.replace(/^\s+|\s+$/g,"") == "RECENT")
        return "recent = 1";
    else if (filter.replace(/^\s+|\s+$/g,"") == "OLD")
        return "recent = 0";

}
        
local_messages.prototype.has_local_mails = function() {
    this.init_local_messages();
    var rs = this.dbGears.execute("select rowid from folder limit 0,1");
    var retorno;
    if(rs.isValidRow())
        retorno = true;
    else
        retorno = false;
    this.finalize();
    return retorno;
}

//Por Bruno Costa(bruno.vieira-costa@serpro.gov.br - Simple AJAX function used to get the RFC822 email source.
local_messages.prototype.get_src = function(url){
    AJAX = false;
    if (window.XMLHttpRequest) { // Mozilla, Safari,...
        AJAX = new XMLHttpRequest();
        if (AJAX.overrideMimeType) {
            AJAX.overrideMimeType('text/xml');
        }
    } else if (window.ActiveXObject) { // IE
        try {
            AJAX = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                AJAX = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
        }
    }

    if (!AJAX) {
        alert('ERRO :(Seu navegador não suporta a aplicação usada neste site');
        return false;
    }

    AJAX.onreadystatechange = function() {
        if (AJAX.readyState == 4) {
            AJAX.src=AJAX.responseText;
            if (AJAX.status == 200) {
                return AJAX.responseText;
            } else {
                return false;
            }
        }
    }

    AJAX.open('get', url, false);
    AJAX.send(null);
    return AJAX.responseText;
};

//Por Bruno Costa(bruno.vieira-costa@serpro.gov.br - Dessarquiva msgs locais pegando o codigo fonte das mesmas e mandando via POST para o servidor
//para que elas sejam inseridas no imap pela função  imap_functions.unarchive_mail.
local_messages.prototype.unarchive_msgs = function (folder,new_folder,msgs_number){

    if(!new_folder)
        new_folder='INBOX';
    this.init_local_messages();
    // alert(folder+new_folder+msgs_number);
    var handler_unarchive = function(data)
    {
                if(data.error == '')
                    write_msg(get_lang('All messages are successfully unarchived'));
                else
                    alert(data.error);
    }

        if(currentTab.toString().indexOf("_r") != -1){
            msgs_number = currentTab.toString().substr(0,currentTab.toString().indexOf("_r"));
    }
        
    if(msgs_number =='selected' || !msgs_number)
    {
                msgs_number = get_selected_messages()
                if (!msgs_number){
                    write_msg(get_lang('No selected message.'));
                    return;
                }
                var rs = this.dbGears.execute("select mail,timestamp from mail where rowid in ("+msgs_number+")");
                var source="";
                var flags="";
                var timestamp="";
                
                while(rs.isValidRow()) {
                        mail=connector.unserialize(rs.field(0));
                        mail.msg_source?source_tmp = escape(mail.msg_source):source_tmp = escape(this.get_src(mail.url_export_file));
                        flags+="#@#@#@"+mail["Answered"]+":"+mail["Draft"]+":"+mail["Flagged"]+":"+mail["Unseen"];
                        source+="#@#@#@"+source_tmp;
                        timestamp+="#@#@#@"+rs.field(1);
                        rs.next();
                }
                rs.close();
                this.finalize();
    }
    else
    {
                var rs = this.dbGears.execute("select mail,timestamp from mail where rowid="+msgs_number);
                mail=connector.unserialize(rs.field(0));
                var source ="";

                mail.msg_source?source = mail.msg_source:source = this.get_src(mail.url_export_file);
                flags = mail["Answered"]+":"+mail["Draft"]+":"+mail["Flagged"]+":"+mail["Unseen"];
                timestamp=rs.field(1);
                rs.close();
                this.finalize();
    }
    params="&folder="+new_folder+"&source="+source+"&timestamp="+timestamp+"&flags="+flags;
    cExecute ("$this.imap_functions.unarchive_mail&", handler_unarchive, params);
}

local_messages.prototype.get_msg_date = function (original_id, is_local){

    this.init_local_messages();

    if (typeof(is_local) == 'undefined')
    {
        is_local = false;
    }

    var rs;

    if (is_local)
    {
        rs = this.dbGears.execute("select mail from mail where rowid="+original_id);
    }
    else
    {
        rs = this.dbGears.execute("select mail from mail where original_id="+original_id);
    }
    var tmp = connector.unserialize(rs.field(0));
    var ret = new Array();
    ret.fulldate = tmp.fulldate.substr(0,16);
    ret.smalldate = tmp.msg_day;
    ret.msg_day = tmp.msg_day;
    ret.msg_hour = tmp.msg_day;

    rs.close();
    this.finalize();
    return ret;
}


local_messages.prototype.download_all_local_attachments = function(folder,id){
    this.init_local_messages();
    var rs = this.dbGears.execute("select mail from mail where rowid="+id);
    var tmp = connector.unserialize(rs.field(0));
    rs.close();
    this.finalize();
    tmp.msg_source?source = tmp.msg_source:source = this.get_src(tmp.url_export_file);
    //source = this.get_src(tmp.url_export_file);
    source = escape(source);
    var handler_source = function(data){
        download_attachments(null, null, data, null,null,'anexos.zip');
    }
    cExecute("$this.imap_functions.download_all_local_attachments",handler_source,"source="+source);
}

/*************************************************************************/
/* Funcao usada para exportar mensagens arquivadas localmente.
 * Rommel de Brito Cysne (rommel.cysne@serpro.gov.br)
 * em 22/12/2008.
 */
local_messages.prototype.local_messages_to_export = function(){

    if (openTab.type[currentTab] > 1){
        var msgs_to_export_id = currentTab.substring(0,currentTab.length-2,currentTab);
    }else{
        var msgs_to_export_id = get_selected_messages();
    }
    var handler_local_mesgs_to_export = function(data){
        download_attachments(null, null, data, null,null,'mensagens.zip');
    }
    if(msgs_to_export_id){
        this.init_local_messages();
        var l_msg = "t";
        var mesgs ="";
        var subjects ="";
        var rs = this.dbGears.execute("select mail,subject from mail where rowid in ("+msgs_to_export_id+")");
        while(rs.isValidRow()){
            mail = connector.unserialize(rs.field(0));
            mail.msg_source?src = mail.msg_source:src = this.get_src(mail.url_export_file);
            subject = rs.field(1);
            mesgs += src;
            mesgs += "@@";
            subjects += subject;
            subjects += "@@";
            rs.next();
        }
        rs.close();
        this.finalize();
        mesgs = escape(mesgs);
        subjects = escape(subjects);
        params = "subjects="+subjects+"&mesgs="+mesgs+"&l_msg="+l_msg+"&msgs_to_export="+msgs_to_export_id;
        cExecute ("$this.exporteml.makeAll&", handler_local_mesgs_to_export, params);
    }
    return true;
}

local_messages.prototype.get_all_local_folder_messages= function(folder_name){


    var mesgs = new Array();
    var subjects = new Array();
    var hoje = new Date();
    var msgs_to_export = new Array();
    var l_msg="t";

    this.init_local_messages();
    var query = "select mail,subject,mail.rowid from mail inner join folder on (mail.id_folder=folder.rowid) where folder.folder='" + folder_name + "'";

    var rs = this.dbGears.execute(" "+query)

    var handler_local_mesgs_to_export = function(data){
        //alert("data - " + data + " - tipo - " + typeof(data));
        download_attachments(null, null, data, null,null,'mensagens.zip');
    }
    var j=0;
    while (rs.isValidRow()){
        msgs_to_export[j]=rs.field(2)
        mail = connector.unserialize(rs.field(0));
        mail.msg_source?src = mail.msg_source:src = this.get_src(mail.url_export_file);
        subject = rs.field(1);
        mesgs += src;
        mesgs += "@@";
        subjects += subject;
        subjects += "@@";
        rs.next();
        j++;

    }
    rs.close();
    this.finalize();
    source = escape(mesgs);
    subjects = escape(subjects);
    params = "folder="+folder_name+"&subjects="+subjects+"&mesgs="+source+"&l_msg="+l_msg+"&msgs_to_export="+msgs_to_export;
    cExecute ("$this.exporteml.makeAll&", handler_local_mesgs_to_export, params);
          

}


/*************************************************************************/

        
/******************************************************************
                                        Offline Part 
 ******************************************************************/

local_messages.prototype.is_offline_installed = function() {
    this.init_local_messages();
    var check = this.localServer.openManagedStore('expresso-offline');
    this.finalize();
    if(check==null)
        return false;
    else
        return true;
                
}
local_messages.prototype.update_offline = function(redirect) {
    this.init_local_messages();
    var managedStore = this.localServer.openManagedStore('expresso-offline');

    if(managedStore!=null){
                        
        managedStore.oncomplete = function(details){
            if(redirect!=null)
                location.href=redirect;
        }
                        
        managedStore.checkForUpdate();
    } else if(redirect!=null) {
        location.href=redirect;
    }
    this.finalize();
}
        
local_messages.prototype.uninstall_offline = function() {
    if (!window.google || !google.gears) {
        temp = confirm(document.getElementById('lang_gears_redirect').value);
        if (temp) {
            expresso_local_messages.installGears();
        }
        return;

    }
    this.init_local_messages();
    this.localServer.removeManagedStore('expresso-offline');
    alert(document.getElementById('lang_offline_uninstalled').value);
    //this.dbGears.execute('drop table user');
    //this.dbGears.execute('drop table queue');
    //this.dbGears.execute('drop table attachments_queue');
    this.finalize();
}
        
local_messages.prototype.get_folders_to_sync = function() {//Precisa ter visibilidade ao array de linguagens.
    this.init_local_messages();
    var rs = this.dbGears.execute("select id_folder,folder_name from folders_sync where uid_usuario="+account_id);
    var retorno = new Array();
    while(rs.isValidRow()) {
        temp = new Array();
        temp[0] = rs.field(0);
        if(temp[0]=='INBOX/Drafts' ||temp[0]=='INBOX/Trash' || temp[0]=='INBOX/Sent') {
            temp[1] = array_lang[rs.field(1).toLowerCase()];
        }
        else {
            temp[1] = rs.field(1);
        }
                        
        retorno.push(temp);
        rs.next();
    }
    this.finalize();
    return retorno;
}
        
local_messages.prototype.install_offline = function(urlOffline,urlIcone,uid_usuario,login,pass,redirect) {
    if (!window.google || !google.gears) {
        temp = confirm(document.getElementById('lang_gears_redirect').value);
        if (temp) {
            expresso_local_messages.installGears();
        }
        return;

    }
                
    if(pass.length>0) {
        only_spaces = true;
        for(cont=0;cont<pass.length;cont++) {
            if(pass.charAt(cont)!=" ")
                only_spaces = false;
        }
        if(only_spaces) {
            alert(document.getElementById('lang_only_spaces_not_allowed').value);
            return false;
        }
    }

    modal('loading');
    var desktop = google.gears.factory.create('beta.desktop');
    desktop.createShortcut('ExpressoMail Offline',
        urlOffline,
                {'32x32': urlIcone},
        'ExpressoMail Offline');


    this.init_local_messages();

    //user with offline needs to have at least the folder Inbox already created.
    tmp_rs = this.dbGears.execute("select rowid from folder where folder='Inbox' and uid_usuario=?",[uid_usuario]);
    if(!tmp_rs.isValidRow())
        this.dbGears.execute("insert into folder (folder,uid_usuario) values (?,?)",['Inbox',uid_usuario]);

    this.localServer.removeManagedStore('expresso-offline');
        
    var managedStore = this.localServer.createManagedStore('expresso-offline');
    managedStore.manifestUrl = 'js/manifest';

    managedStore.onerror = function (error) {
        alert(error);
    }
                
    managedStore.oncomplete = function(details) {
        if (close_lightbox_div) {
            close_lightbox();
            close_lightbox_div = false;
            alert(document.getElementById('lang_offline_installed').value);
            location.href=redirect;
        }
    }

    //create structure to user in db
    this.dbGears.execute('create table if not exists user (uid_usuario int,login text,pass text, logged int,unique(uid_usuario))');
    this.dbGears.execute('create table if not exists queue (ffrom text, fto text, cc text, cco text,'+
        'subject text, conf_receipt int, important int,body text,sent int,user int)');
    this.dbGears.execute('create table if not exists attachments_queue ('+
        'id_queue int, url_attach text)');
    this.dbGears.execute('create table if not exists sent_problems (' +
        'id_queue int,message text)');
                
    //d = new Date();
                
    try {
        var rs = this.dbGears.execute("select uid_usuario from user where uid_usuario=?",[uid_usuario]);
        if(!rs.isValidRow())
            this.dbGears.execute("insert into user (uid_usuario,login,pass) values (?,?,?)",[uid_usuario,login,pass]);
        else
            this.dbGears.execute("update user set pass=? where uid_usuario=?",[pass,uid_usuario]);
    } catch (error) {
        this.finalize();
        alert(error);
        return false;
    }
    managedStore.checkForUpdate();
    this.capt_url('controller.php?action=$this.db_functions.get_dropdown_contacts_to_cache');
        setTimeout(function(){
        managedStore.complete();
    }, 60000);
    this.finalize();
}
        
/**
         * Return all users in an array following the structure below.
         * 
         * key: uid
         * value: user login
         */
local_messages.prototype.get_all_users = function() {
    this.init_local_messages();
    var users = new Array();
    var rs = this.dbGears.execute("select uid_usuario,login from user");
    while(rs.isValidRow()) {
        users[rs.field(0)] = rs.field(1);
        rs.next();
    }
    this.finalize();
    return users;
}
        
local_messages.prototype.set_as_logged = function(uid_usuario,pass,bypass) {
    this.init_local_messages();
    if (!bypass) {
        var rs = this.dbGears.execute("select pass from user where uid_usuario=?", [uid_usuario]);
        if (!rs.isValidRow() || (pass != rs.field(0) && pass != MD5(rs.field(0)))) {
            this.finalize();
            return false;
        }
    }
    d = new Date();

    this.dbGears.execute("update user set logged=null"); //Logoff in everybody
    this.dbGears.execute("update user set logged=? where uid_usuario=?",[d.getTime(),uid_usuario]); //Login just in one...
    this.finalize();
    return true;
}
        
local_messages.prototype.unset_as_logged = function() {
    this.init_local_messages();
    this.dbGears.execute("update user set logged=null"); //Logoff in everybody
    this.finalize();
}
        
local_messages.prototype.user_logged = function() {
    this.init_local_messages();
    var user_logged = new Array();
    var rs = this.dbGears.execute("select uid_usuario,logged from user where logged is not null");
    if(!rs.isValidRow()) {
        this.finalize();
        return null;
    }
    user_logged[0] = rs.field(0);
    user_logged[1] = rs.field(1);
    this.finalize();
    return user_logged;
}
        
local_messages.prototype.send_to_queue = function (form) {
    this.init_local_messages();
    var mail_values = new Array();
                
    for (var i=0;i<form.length;i++) {
        if (form.elements[i].name != '') { //I.E made me to do that...
            if(form.elements[i].name=='folder' || form.elements[i].name=='msg_id' || form.elements[i].name=='' || form.elements[i].name==null)
                continue;
            else if (form.elements[i].name == 'input_return_receipt' )
                mail_values['conf_receipt'] = form.elements[i].checked ? 1 : 0;
            else if(form.elements[i].name == 'input_important_message')
                mail_values['important'] = form.elements[i].checked ? 1 : 0;
            else
            if (form.elements[i].name == 'body')
                mail_values['body'] = form.elements[i].value;
            else
            if (form.elements[i].name == 'input_from')
                mail_values['ffrom'] = form.elements[i].value;
            else
            if (form.elements[i].name == 'input_to')
                mail_values['fto'] = form.elements[i].value;
            else
            if (form.elements[i].name == 'input_cc')
                mail_values['cc'] = form.elements[i].value;
            else
            if (form.elements[i].name == 'input_cco')
                mail_values['cco'] = form.elements[i].value;
            else
            if (form.elements[i].name == 'input_subject')
                mail_values['subject'] = form.elements[i].value;
        }
    }
    //mail_values['fto'] = input_to;
    //mail_values['cc'] = input_cc;
    //mail_values['cco'] = input_cco;
    //mail_values['subject'] = input_subject;
    //mail_values['conf_receipt'] = input_return_receipt;
    //mail_values['important'] = input_important_message;
                
    try {
        this.dbGears.execute("insert into queue (ffrom,fto,cc,cco,subject,conf_receipt,important,body,sent,user) values (?,?,?,?,?,?,?,?,0,?)", [mail_values['ffrom'], mail_values['fto'], mail_values['cc'], mail_values['cco'], mail_values['subject'], mail_values['conf_receipt'], mail_values['important'], mail_values['body'], account_id]);
        this.send_attach_to_queue(this.dbGears.lastInsertRowId,form);
    }catch(error) {
        alert(error);
        return get_lang('Error sending a mail to queue. Verify if you have installed ExpressoMail Offline');
    }
    this.finalize();
    return true;
}
        
local_messages.prototype.send_attach_to_queue = function(id_queue,form) {
                
    for(i=0;i<form.elements.length;i++) {
                        
        if(form.elements[i].name.indexOf("file_")!=-1) {
            var tmp_input = form.elements[i];
            var d = new Date();
            var url_local = 'local_attachs/'+d.getTime();
            this.store.captureFile(tmp_input, url_local);
            this.dbGears.execute("insert into attachments_queue (id_queue,url_attach) values (?,?)",[id_queue,url_local]);
        }
        else if(form.elements[i].name.indexOf("offline_forward_")!=-1){
            //alert();
            this.dbGears.execute("insert into attachments_queue (id_queue,url_attach) values (?,?)",[id_queue,form.elements[i].value]);
        }
    }
}

        
local_messages.prototype.get_num_msgs_to_send = function() {
    this.init_local_messages();

    var rs = this.dbGears.execute("select count(*) from queue where user=? and sent=0",[account_id]);
    var to_return = rs.field(0);

    this.finalize();
    return to_return;
}
        
local_messages.prototype.set_problem_on_sent = function(rowid_message,msg) {
    this.init_local_messages();
    this.dbGears.execute("update queue set sent = 2 where rowid=?",[rowid_message]);
    this.dbGears.execute("insert into sent_problems (id_queue,message) values (?,?)"[rowid_message,msg]);
    this.finalize();
}
        
local_messages.prototype.set_as_sent = function(rowid_message) {
    this.init_local_messages();
    this.dbGears.execute("update queue set sent = 1 where rowid=?",[rowid_message]);
    this.finalize();
}
        
local_messages.prototype.get_form_msg_to_send = function() {
    this.init_local_messages();
    var rs = this.dbGears.execute('select ffrom,fto,cc,cco,subject,conf_receipt,important,body,rowid from queue where sent=0 and user = ? limit 0,1',[account_id]);
    if(!rs.isValidRow())
        return false;
                
    var form = document.createElement('form');
    form.method = 'POST';
    form.name = 'form_queue_'+rs.field(8);
    form.style.display = 'none';
                form.onsubmit = function(){return false;}
    if(!is_ie)
        form.enctype="multipart/form-data";
    else
        form.encoding="multipart/form-data";
                
    var ffrom = document.createElement('TEXTAREA');
    ffrom.name = "input_from";
    ffrom.value = rs.field(0);
    form.appendChild(ffrom);
                
    var fto = document.createElement('TEXTAREA');
    fto.name = "input_to";
    fto.value = rs.field(1);
    form.appendChild(fto);
                
    var cc = document.createElement('TEXTAREA');
    cc.name = "input_cc";
    cc.value = rs.field(2);
    form.appendChild(cc);

    var cco = document.createElement('TEXTAREA');
    cco.name = "input_cco";
    cco.value = rs.field(3);
    form.appendChild(cco);
                
    var subject = document.createElement('TEXTAREA');
    subject.name = "input_subject";
    subject.value = rs.field(4);
    form.appendChild(subject);
                
    var folder = document.createElement('input');
    folder.name='folder';
    folder.value=preferences.save_in_folder;
    form.appendChild(folder);
                
    if (rs.field(5) == 1) {
        var conf_receipt = document.createElement('input');
        conf_receipt.type='text';
        conf_receipt.name = "input_return_receipt";
        conf_receipt.value = 'on';
        form.appendChild(conf_receipt);
    }
                
    if (rs.field(6) == 1) {
        var important = document.createElement('input');
        important.type='text';
        important.name = "input_important_message";
        important.value = 'on';
        form.appendChild(important);
    }
                
    var body = document.createElement('TEXTAREA');
    body.name = "body";
    body.value = rs.field(7);
    form.appendChild(body);
                
    var rowid = document.createElement('input');
    rowid.type = 'hidden';
    rowid.name = 'rowid';
    rowid.value = rs.field(8);
    form.appendChild(rowid);
                
    //Mounting the attachs
    var divFiles = document.createElement("div");
    divFiles.id = 'divFiles_queue_'+rs.field(8);
                
    form.appendChild(divFiles);
                
    document.getElementById('forms_queue').appendChild(form);

    var is_local_forward = false;
    try {
                        
        var rs_attach = this.dbGears.execute('select url_attach from attachments_queue where id_queue=?', [rs.field(8)]);
        while (rs_attach.isValidRow()) {
            if(rs_attach.field(0).indexOf('../tmpLclAtt/')==-1) {
                tmp_field = addForwardedFile('queue_' + rs.field(8), this.store.getCapturedFileName(rs_attach.field(0)), 'nothing');
            }
            else {
                var tempNomeArquivo = rs_attach.field(0).split("/");
                var nomeArquivo = tempNomeArquivo[tempNomeArquivo.length-1];
                nomeArquivo = nomeArquivo.substring(0,nomeArquivo.length - 4); //Anexos no gears sￜo todos com extensￜo .php. tenho que tirar a extensￜo para ficar o nome real do arquivo.
                is_local_forward = true;
                tmp_field = addForwardedFile('queue_' + rs.field(8), nomeArquivo, 'nothing');
            }
            fileSubmitter = this.store.createFileSubmitter();
            fileSubmitter.setFileInputElement(tmp_field,rs_attach.field(0));
            //          alert(form.innerHTML);
            //  div.appendChild(tmp_field);
            rs_attach.next();
        }
                        
        if(is_local_forward) {
            var is_lcl_fw = document.createElement('input');
            is_lcl_fw.type = 'hidden';
            is_lcl_fw.name = 'is_local_forward';
            is_lcl_fw.value = "1";
            form.appendChild(is_lcl_fw);
        }
                                
    }
    catch(exception) {
        alert(exception);
    }
                
    this.finalize();
    return form;
}

var expresso_local_messages;
expresso_local_messages = new local_messages();
//expresso_local_messages.create_objects();