/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Seth Spitzer <sspitzer@netscape.com>
 *   Ben Goodger <ben@netscape.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

var newmessages = "";
var newsgroupname = "";
var gNewsBundle;
var prefs = Components.classes['@mozilla.org/preferences-service;1'].getService();
prefs = prefs.QueryInterface(Components.interfaces.nsIPrefBranch);

var serverid = null;
var markreadElement = null;
var numberElement = null;

var server = null;
var nntpServer = null;
var args = null;

function OnLoad()
{
    gNewsBundle = document.getElementById("bundle_news");

    if ("arguments" in window && window.arguments[0]) {
        args = window.arguments[0].QueryInterface( Components.interfaces.nsINewsDownloadDialogArgs);
        args.hitOK = false; /* by default, act like the user hit cancel */
        args.downloadAll = false; /* by default, act like the user did not select download all */

        var accountManager = Components.classes["@mozilla.org/messenger/account-manager;1"].getService(Components.interfaces.nsIMsgAccountManager);
        server = accountManager.getIncomingServer(args.serverKey);
        nntpServer = server.QueryInterface(Components.interfaces.nsINntpIncomingServer);

        var downloadHeadersTitlePrefix = gNewsBundle.getString("downloadHeadersTitlePrefix");
        var okButtonText = gNewsBundle.getString("okButtonText");

        document.title = downloadHeadersTitlePrefix;

        var infotext =  gNewsBundle.getFormattedString("downloadHeadersInfoText", [args.articleCount]);
        setText('info', infotext);
        var okbutton = document.documentElement.getButton("accept");
        okbutton.setAttribute("label", okButtonText);
        okbutton.focus();
        setText("newsgroupLabel", args.groupName);
    }

    numberElement = document.getElementById("number");
    numberElement.value = nntpServer.maxArticles;

    markreadElement = document.getElementById("markread");
    markreadElement.checked = nntpServer.markOldRead;

    return true;
}

function setText(id, value) {
    var element = document.getElementById(id);
    if (!element) return;
    if (element.hasChildNodes())
        element.removeChild(element.firstChild);
    var textNode = document.createTextNode(value);
    element.appendChild(textNode);
}

function OkButtonCallback() {
    nntpServer.maxArticles = numberElement.value;
    nntpServer.markOldRead = markreadElement.checked;

    var radio = document.getElementById("all");
    if (radio)
      args.downloadAll = radio.selected;

    args.hitOK = true;
    return true;
}

function CancelButtonCallback() {
    args.hitOK = false;
    return true;
}

function setupDownloadUI(enable) {
    var checkbox = document.getElementById("markread");
    var numberFld = document.getElementById("number");

    checkbox.disabled = !enable;
    numberFld.disabled = !enable;
}