mailcommands.js

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# -*- Mode: C++; 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 Mozilla Communicator client code, released
# March 31, 1998.
#
# The Initial Developer of the Original Code is
# Netscape Communications Corporation.
# Portions created by the Initial Developer are Copyright (C) 1998-1999
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
#
# 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 *****

function DoRDFCommand(dataSource, command, srcArray, argumentArray)
{
  var commandResource = RDF.GetResource(command);
  if (commandResource) {
    try {
      if (!argumentArray)
        argumentArray = Components.classes["@mozilla.org/supports-array;1"]
                        .createInstance(Components.interfaces.nsISupportsArray);

      if (argumentArray)
        argumentArray.AppendElement(msgWindow);
      dataSource.DoCommand(srcArray, commandResource, argumentArray);
    }
    catch(e) {
      if (command == "http://home.netscape.com/NC-rdf#NewFolder") {
        throw(e); // so that the dialog does not automatically close.
      }
      dump("Exception : In mail commands" + e + "\n");
    }
  }
}

function GetNewMessages(selectedFolders, server, compositeDataSource)
{
  var numFolders = selectedFolders.length;
  if (numFolders > 0)
  {
    var msgFolder = selectedFolders[0];

    // Whenever we do get new messages, clear the old new messages.
    if (msgFolder)
    {
      var nsIMsgFolder = Components.interfaces.nsIMsgFolder;
      msgFolder.biffState = nsIMsgFolder.nsMsgBiffState_NoMail;
      msgFolder.clearNewMessages();
    }

    if (compositeDataSource)
    {
      var folderResource = msgFolder.QueryInterface(Components.interfaces.nsIRDFResource);
      var folderArray = Components.classes["@mozilla.org/supports-array;1"].createInstance(Components.interfaces.nsISupportsArray);
      folderArray.AppendElement(folderResource);
      var serverArray = Components.classes["@mozilla.org/supports-array;1"].createInstance(Components.interfaces.nsISupportsArray);
      serverArray.AppendElement(server);
      DoRDFCommand(compositeDataSource, "http://home.netscape.com/NC-rdf#GetNewMessages", folderArray, serverArray);
    }
  }
  else {
    dump("Nothing was selected\n");
  }
}

function getBestIdentity(identities, optionalHint)
{
  var identity = null;

  var identitiesCount = identities.Count();

  try
  {
    // if we have more than one identity and a hint to help us pick one
    if (identitiesCount > 1 && optionalHint) {
      // normalize case on the optional hint to improve our chances of finding a match
      optionalHint = optionalHint.toLowerCase();

      var id;
      // iterate over all of the identities
      var tempID;

      for (id = 0; id < identitiesCount; ++id) {
        tempID = identities.GetElementAt(id).QueryInterface(Components.interfaces.nsIMsgIdentity);
        if (optionalHint.indexOf(tempID.email.toLowerCase()) >= 0) {
          identity = tempID;
          break;
        }
      }

      // if we could not find an exact email address match within the hint fields then maybe the message
      // was to a mailing list. In this scenario, we won't have a match based on email address.
      // Before we just give up, try and search for just a shared domain between the hint and
      // the email addresses for our identities. Hey, it is better than nothing and in the case
      // of multiple matches here, we'll end up picking the first one anyway which is what we would have done
      // if we didn't do this second search. This helps the case for corporate users where mailing lists will have the same domain
      // as one of your multiple identities.

      if (!identity) {
        for (id = 0; id < identitiesCount; ++id) {
          tempID = identities.GetElementAt(id).QueryInterface(Components.interfaces.nsIMsgIdentity);
          // extract out the partial domain
          var start = tempID.email.lastIndexOf("@"); // be sure to include the @ sign in our search to reduce the risk of false positives
          if (optionalHint.search(tempID.email.slice(start).toLowerCase()) >= 0) {
            identity = tempID;
            break;
          }
        }
      }
    }
  }
  catch (ex) {dump (ex + "\n");}

  // Still no matches ?
  // Give up and pick the first one (if it exists), like we used to.
  if (!identity && identitiesCount > 0)
    identity = identities.GetElementAt(0).QueryInterface(Components.interfaces.nsIMsgIdentity);

  return identity;
}

function getIdentityForServer(server, optionalHint)
{
    var identity = null;

    if (server) {
        // Get the identities associated with this server.
        var identities = accountManager.GetIdentitiesForServer(server);
        // dump("identities = " + identities + "\n");
        // Try and find the best one.
        identity = getBestIdentity(identities, optionalHint);
    }

    return identity;
}

function GetNextNMessages(folder)
{
  if (folder) {
    var newsFolder = folder.QueryInterface(Components.interfaces.nsIMsgNewsFolder);
    if (newsFolder) {
      newsFolder.getNextNMessages(msgWindow);
    }
  }
}

// type is a nsIMsgCompType and format is a nsIMsgCompFormat
function ComposeMessage(type, format, folder, messageArray)
{
  var msgComposeType = Components.interfaces.nsIMsgCompType;
  var identity = null;
  var newsgroup = null;
  var server;

  // dump("ComposeMessage folder=" + folder + "\n");
  try
  {
    if (folder)
    {
      // Get the incoming server associated with this uri.
      server = folder.server;

      // If they hit new or reply and they are reading a newsgroup,
      // turn this into a new post or a reply to group.
      if (!folder.isServer && server.type == "nntp" && type == msgComposeType.New)
      {
        type = msgComposeType.NewsPost;
        newsgroup = folder.folderURL;
      }

      identity = folder.customIdentity;
      if (!identity)
        identity = getIdentityForServer(server);
      // dump("identity = " + identity + "\n");
    }
  }
  catch (ex)
  {
    dump("failed to get an identity to pre-select: " + ex + "\n");
  }

  // dump("\nComposeMessage from XUL: " + identity + "\n");
  var uri = null;

  if (!msgComposeService)
  {
    dump("### msgComposeService is invalid\n");
    return;
  }

  if (type == msgComposeType.New)
  {
    // New message.

    // dump("OpenComposeWindow with " + identity + "\n");

    // If the addressbook sidebar panel is open and has focus, get
    // the selected addresses from it.
    if (document.commandDispatcher.focusedWindow.document.documentElement.hasAttribute("selectedaddresses"))
      NewMessageToSelectedAddresses(type, format, identity);
    else
      msgComposeService.OpenComposeWindow(null, null, type, format, identity, msgWindow);
    return;
  }
  else if (type == msgComposeType.NewsPost)
  {
    // dump("OpenComposeWindow with " + identity + " and " + newsgroup + "\n");
    msgComposeService.OpenComposeWindow(null, newsgroup, type, format, identity, msgWindow);
    return;
  }

  messenger.SetWindow(window, msgWindow);

  var object = null;

  if (messageArray && messageArray.length > 0)
  {
    uri = "";
    for (var i = 0; i < messageArray.length; ++i)
    {
      var messageUri = messageArray[i];

      var hdr = messenger.msgHdrFromURI(messageUri);
      // If we treat reply from sent specially, do we check for that folder flag here ?
      var hintForIdentity = (type == msgComposeType.Template) ? hdr.author : hdr.recipients + hdr.ccList;
      var customIdentity = null;
      if (folder)
      {
        server = folder.server;
        customIdentity = folder.customIdentity;
      }
      
      var accountKey = hdr.accountKey;
      if (accountKey.length > 0)
      {
        var account = accountManager.getAccount(accountKey);
        if (account)
          server = account.incomingServer;
      }

      identity = (server && !customIdentity) 
        ? getIdentityForServer(server, hintForIdentity)
        : customIdentity;                         

      var messageID = hdr.messageId;
      var messageIDScheme = messageID ? messageID.split(":")[0] : "";
      if (messageIDScheme && (messageIDScheme == 'http' || messageIDScheme == 'https') &&  "openComposeWindowForRSSArticle" in this)
        openComposeWindowForRSSArticle(messageID, hdr, type);
      else if (type == msgComposeType.Reply ||
               type == msgComposeType.ReplyAll ||
               type == msgComposeType.ForwardInline ||
               type == msgComposeType.ReplyToGroup ||
               type == msgComposeType.ReplyToSender ||
               type == msgComposeType.ReplyToSenderAndGroup ||
               type == msgComposeType.Template ||
               type == msgComposeType.Draft)
      {
        msgComposeService.OpenComposeWindow(null, messageUri, type, format, identity, msgWindow);
        // Limit the number of new compose windows to 8. Why 8 ? I like that number :-)
        if (i == 7)
          break;
      }
      else
      {
        if (i)
          uri += ","
        uri += messageUri;
      }
    }
    if (type == msgComposeType.ForwardAsAttachment && uri)
      msgComposeService.OpenComposeWindow(null, uri, type, format, identity, msgWindow);
  }
  else
    dump("### nodeList is invalid\n");
}

function NewMessageToSelectedAddresses(type, format, identity) {
  var abSidebarPanel = document.commandDispatcher.focusedWindow;
  var abResultsTree = abSidebarPanel.document.getElementById("abResultsTree");
  var abResultsBoxObject = abResultsTree.treeBoxObject;
  var abView = abResultsBoxObject.view;
  abView = abView.QueryInterface(Components.interfaces.nsIAbView);
  var addresses = abView.selectedAddresses;
  var params = Components.classes["@mozilla.org/messengercompose/composeparams;1"].createInstance(Components.interfaces.nsIMsgComposeParams);
  if (params) {
    params.type = type;
    params.format = format;
    params.identity = identity;
    var composeFields = Components.classes["@mozilla.org/messengercompose/composefields;1"].createInstance(Components.interfaces.nsIMsgCompFields);
    if (composeFields) {
      var addressList = "";
      for (var i = 0; i < addresses.Count(); i++) {
        addressList = addressList + (i > 0 ? ",":"") + addresses.QueryElementAt(i,Components.interfaces.nsISupportsString).data;
      }
      composeFields.to = addressList;
      params.composeFields = composeFields;
      msgComposeService.OpenComposeWindowWithParams(null, params);
    }
  }
}

function CreateNewSubfolder(chromeWindowURL, preselectedMsgFolder,
                            dualUseFolders, callBackFunctionName)
{
  var preselectedURI;

  if (preselectedMsgFolder)
  {
    var preselectedFolderResource = preselectedMsgFolder.QueryInterface(Components.interfaces.nsIRDFResource);
    if (preselectedFolderResource)
      preselectedURI = preselectedFolderResource.Value;
    dump("preselectedURI = " + preselectedURI + "\n");
  }

  window.openDialog(chromeWindowURL,
                    "",
                    "chrome,titlebar,modal",
                    {preselectedURI:preselectedURI,
                      dualUseFolders:dualUseFolders,
                      okCallback:callBackFunctionName});
}

function NewFolder(name,uri)
{
  // dump("uri,name = " + uri + "," + name + "\n");
  if (uri && (uri != "") && name && (name != "")) {
    var selectedFolderResource = RDF.GetResource(uri);
    // dump("selectedFolder = " + uri + "\n");
    var compositeDataSource = GetCompositeDataSource("NewFolder");
    var folderArray = Components.classes["@mozilla.org/supports-array;1"].createInstance(Components.interfaces.nsISupportsArray);
    var nameArray = Components.classes["@mozilla.org/supports-array;1"].createInstance(Components.interfaces.nsISupportsArray);

    folderArray.AppendElement(selectedFolderResource);

    var nameLiteral = RDF.GetLiteral(name);
    nameArray.AppendElement(nameLiteral);
    DoRDFCommand(compositeDataSource, "http://home.netscape.com/NC-rdf#NewFolder", folderArray, nameArray);
  }
  else {
    dump("no name or nothing selected\n");
  }
}

function UnSubscribe(folder)
{
  // Unsubscribe the current folder from the newsserver, this assumes any confirmation has already
  // been made by the user  SPL

  var server = folder.server;
  var subscribableServer = server.QueryInterface(Components.interfaces.nsISubscribableServer);
  subscribableServer.unsubscribe(folder.name);
  subscribableServer.commitSubscribeChanges();
}

function Subscribe(preselectedMsgFolder)
{
  var preselectedURI;

  if (preselectedMsgFolder)
  {
    var preselectedFolderResource = preselectedMsgFolder.QueryInterface(Components.interfaces.nsIRDFResource);
    if (preselectedFolderResource)
      preselectedURI = preselectedFolderResource.Value;
    dump("preselectedURI = " + preselectedURI + "\n");
  }

  window.openDialog("chrome://messenger/content/subscribe.xul",
                    "subscribe", "chrome,modal,titlebar,resizable=yes",