# -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
# ***** 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 the Thunderbird Preferences System.
#
# The Initial Developer of the Original Code is
# Ben Goodger.
# Portions created by the Initial Developer are Copyright (C) 2005
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
#   Ben Goodger <ben@mozilla.org>
#   Scott MacGregor <mscott@mozilla.org>
#
# Alternatively, the contents of this file may be used under the terms of
# either 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 gConnectionsDialog = {
  beforeAccept: function ()
  {
    var proxyTypePref = document.getElementById("network.proxy.type");
    if (proxyTypePref.value == 2) {
      this.doAutoconfigURLFixup();
      return true;
    }

    if (proxyTypePref.value != 1)
      return true;

    var httpProxyURLPref = document.getElementById("network.proxy.http");
    var httpProxyPortPref = document.getElementById("network.proxy.http_port");
    var shareProxiesPref = document.getElementById("network.proxy.share_proxy_settings");
    if (shareProxiesPref.value) {
      var proxyPrefs = ["ssl", "socks"];
      for (var i = 0; i < proxyPrefs.length; ++i) {
        var proxyServerURLPref = document.getElementById("network.proxy." + proxyPrefs[i]);
        var proxyPortPref = document.getElementById("network.proxy." + proxyPrefs[i] + "_port");
        var backupServerURLPref = document.getElementById("network.proxy.backup." + proxyPrefs[i]);
        var backupPortPref = document.getElementById("network.proxy.backup." + proxyPrefs[i] + "_port");
        backupServerURLPref.value = proxyServerURLPref.value;
        backupPortPref.value = proxyPortPref.value;
        proxyServerURLPref.value = httpProxyURLPref.value;
        proxyPortPref.value = httpProxyPortPref.value;
      }
    }

    var noProxiesPref = document.getElementById("network.proxy.no_proxies_on");
    noProxiesPref.value = noProxiesPref.value.replace(/[;]/g,',');

    return true;
  },

  checkForSystemProxy: function ()
  {
    if ("@mozilla.org/system-proxy-settings;1" in Components.classes)
      document.getElementById("systemPref").removeAttribute("hidden");
  },

  proxyTypeChanged: function ()
  {
    var proxyTypePref = document.getElementById("network.proxy.type");

    // Update http
    var httpProxyURLPref = document.getElementById("network.proxy.http");
    httpProxyURLPref.disabled = proxyTypePref.value != 1;
    var httpProxyPortPref = document.getElementById("network.proxy.http_port");
    httpProxyPortPref.disabled = proxyTypePref.value != 1;

    // Now update the other protocols
    this.updateProtocolPrefs();

    var shareProxiesPref = document.getElementById("network.proxy.share_proxy_settings");
    shareProxiesPref.disabled = proxyTypePref.value != 1;

    var noProxiesPref = document.getElementById("network.proxy.no_proxies_on");
    noProxiesPref.disabled = proxyTypePref.value != 1;

    var autoconfigURLPref = document.getElementById("network.proxy.autoconfig_url");
    autoconfigURLPref.disabled = proxyTypePref.value != 2;

    this.updateReloadButton();
  },

  updateReloadButton: function ()
  {
    // Disable the "Reload PAC" button if the selected proxy type is not PAC or
    // if the current value of the PAC textbox does not match the value stored
    // in prefs.  Likewise, disable the reload button if PAC is not configured
    // in prefs.

    var typedURL = document.getElementById("networkProxyAutoconfigURL").value;
    var proxyTypeCur = document.getElementById("network.proxy.type").value;

    var prefs =
        Components.classes["@mozilla.org/preferences-service;1"].
        getService(Components.interfaces.nsIPrefBranch);
    var pacURL = prefs.getCharPref("network.proxy.autoconfig_url");
    var proxyType = prefs.getIntPref("network.proxy.type");

    var disableReloadPref =
        document.getElementById("pref.advanced.proxies.disable_button.reload");
    disableReloadPref.disabled =
        (proxyTypeCur != 2 || proxyType != 2 || typedURL != pacURL);
  },

  readProxyType: function ()
  {
    this.proxyTypeChanged();
    return undefined;
  },

  updateProtocolPrefs: function ()
  {
    var proxyTypePref = document.getElementById("network.proxy.type");
    var shareProxiesPref = document.getElementById("network.proxy.share_proxy_settings");
    var proxyPrefs = ["ssl", "socks"];
    for (var i = 0; i < proxyPrefs.length; ++i) {
      var proxyServerURLPref = document.getElementById("network.proxy." + proxyPrefs[i]);
      var proxyPortPref = document.getElementById("network.proxy." + proxyPrefs[i] + "_port");

      // Restore previous per-proxy custom settings, if present. 
      if (!shareProxiesPref.value) {
        var backupServerURLPref = document.getElementById("network.proxy.backup." + proxyPrefs[i]);
        var backupPortPref = document.getElementById("network.proxy.backup." + proxyPrefs[i] + "_port");
        if (backupServerURLPref.hasUserValue) {
          proxyServerURLPref.value = backupServerURLPref.value;
          backupServerURLPref.reset();
        }
        if (backupPortPref.hasUserValue) {
          proxyPortPref.value = backupPortPref.value;
          backupPortPref.reset();
        }
      }

      proxyServerURLPref.updateElements();
      proxyPortPref.updateElements();
      proxyServerURLPref.disabled = proxyTypePref.value != 1 || shareProxiesPref.value;
      proxyPortPref.disabled = proxyServerURLPref.disabled;
    }
    var socksVersionPref = document.getElementById("network.proxy.socks_version");
    socksVersionPref.disabled = proxyTypePref.value != 1 || shareProxiesPref.value;

    return undefined;
  },

  readProxyProtocolPref: function (aProtocol, aIsPort)
  {
    var shareProxiesPref = document.getElementById("network.proxy.share_proxy_settings");
    if (shareProxiesPref.value) {
      var pref = document.getElementById("network.proxy.http" + (aIsPort ? "_port" : ""));    
      return pref.value;
    }

    var backupPref = document.getElementById("network.proxy.backup." + aProtocol + (aIsPort ? "_port" : ""));
    return backupPref.hasUserValue ? backupPref.value : undefined;
  },

  reloadPAC: function ()
  {
    Components.classes["@mozilla.org/network/protocol-proxy-service;1"].
        getService().reloadPAC();
  },

  doAutoconfigURLFixup: function ()
  {
    var autoURL = document.getElementById("networkProxyAutoconfigURL");
    var autoURLPref = document.getElementById("network.proxy.autoconfig_url");
    var URIFixup = Components.classes["@mozilla.org/docshell/urifixup;1"]
                             .getService(Components.interfaces.nsIURIFixup);
    try {
      autoURLPref.value = autoURL.value = URIFixup.createFixupURI(autoURL.value, 0).spec;
    } catch(ex) {}
  },

  readHTTPProxyServer: function ()
  {
    var shareProxiesPref = document.getElementById("network.proxy.share_proxy_settings");
    if (shareProxiesPref.value)
      this.updateProtocolPrefs();
    return undefined;
  },

  readHTTPProxyPort: function ()
  {
    var shareProxiesPref = document.getElementById("network.proxy.share_proxy_settings");
    if (shareProxiesPref.value)
      this.updateProtocolPrefs();
    return undefined;
  }
};
