mailwindow.js

现在很火的邮件客户端软件thunderbird的源码

# -*- 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 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):
#   Jan Varga <[e-mail]>
#   H錵an Waara ([e-mail])
#
# 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 *****

//This file stores variables common to mail windows
var messengerContractID        = "@mozilla.org/messenger;1";
var statusFeedbackContractID   = "@mozilla.org/messenger/statusfeedback;1";
var mailSessionContractID      = "@mozilla.org/messenger/services/session;1";
var msgWindowContractID      = "@mozilla.org/messenger/msgwindow;1";

var messenger;
var pref;
var statusFeedback;
var messagePaneController;
var msgWindow;

var msgComposeService;
var accountManager;
var RDF;
var msgComposeType;
var msgComposeFormat;

var mailSession;

var gMessengerBundle;
var gBrandBundle;

var datasourceContractIDPrefix = "@mozilla.org/rdf/datasource;1?name=";
var accountManagerDSContractID = datasourceContractIDPrefix + "msgaccountmanager";
var folderDSContractID         = datasourceContractIDPrefix + "mailnewsfolders";
var unreadFoldersDSContractID = datasourceContractIDPrefix + "mailnewsunreadfolders";
var favoriteFoldersDSContractID = datasourceContractIDPrefix + "mailnewsfavefolders";
var recentFoldersDSContractID = datasourceContractIDPrefix + "mailnewsrecentfolders";
var accountManagerDataSource;
var folderDataSource;
var unreadFolderDataSource;
var favoriteFoldersDataSource;
var recentFoldersDataSource;

var accountCentralBox = null;
var gAccountCentralLoaded = true;
var gFakeAccountPageLoaded = false;
//End progress and Status variables

function OnMailWindowUnload()
{
  MailOfflineMgr.uninit();
  ClearPendingReadTimer();

  var searchSession = GetSearchSession();
  if (searchSession)
  {
    removeGlobalListeners();
    if (gPreQuickSearchView)     //close the cached pre quick search view
      gPreQuickSearchView.close();
  }
  
  var dbview = GetDBView();
  if (dbview) {
    dbview.close(); 
  }

  var mailSession = Components.classes[mailSessionContractID].getService();
  if(mailSession)
  {
    mailSession = mailSession.QueryInterface(Components.interfaces.nsIMsgMailSession);
    if(mailSession)
    {
      mailSession.RemoveFolderListener(folderListener);
    }
  }

  mailSession.RemoveMsgWindow(msgWindow);
  messenger.SetWindow(null, null);

  var msgDS;
  var viewDataSources = [accountManagerDataSource, folderDataSource, 
                        unreadFolderDataSource, favoriteFoldersDataSource,
                        recentFoldersDataSource];
                        
  for (index in viewDataSources)
  {
    msgDS = viewDataSources[index].QueryInterface(Components.interfaces.nsIMsgRDFDataSource);
    msgDS.window = null;
  }

  msgWindow.closeWindow();
}

function CreateMessenger()
{
  messenger = Components.classes[messengerContractID].createInstance();
  messenger = messenger.QueryInterface(Components.interfaces.nsIMessenger);
}

function CreateMailWindowGlobals()
{
  // get the messenger instance
  CreateMessenger();

  pref = Components.classes["@mozilla.org/preferences-service;1"]
          .getService(Components.interfaces.nsIPrefBranch2);

  //Create windows status feedback
  // set the JS implementation of status feedback before creating the c++ one..
  window.MsgStatusFeedback = new nsMsgStatusFeedback();
  // double register the status feedback object as the xul browser window implementation
  window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
        .getInterface(Components.interfaces.nsIWebNavigation)
        .QueryInterface(Components.interfaces.nsIDocShellTreeItem).treeOwner
        .QueryInterface(Components.interfaces.nsIInterfaceRequestor)
        .getInterface(Components.interfaces.nsIXULWindow)
        .XULBrowserWindow = window.MsgStatusFeedback;

  statusFeedback           = Components.classes[statusFeedbackContractID].createInstance();
  statusFeedback = statusFeedback.QueryInterface(Components.interfaces.nsIMsgStatusFeedback);

  /*
    not in use unless we want the lock button back

  // try to create and register ourselves with a security icon...
  var securityIcon = document.getElementById("security-button");
  if (securityIcon) {
    // if the client isn't built with psm enabled then we won't have a secure UI to monitor the lock icon
    // so be sure to wrap this in a try / catch clause...
    try {
      var secureUI;
      // we may not have a secure UI if psm isn't installed!
      if (secureUIContractID in Components.classes) {
        secureUI = Components.classes[secureUIContractID].createInstance();
        if (secureUI) {
          secureUI = secureUI.QueryInterface(Components.interfaces.nsISecureBrowserUI);
          secureUI.init(_content, securityIcon);
        }
      }
    }
    catch (ex) {}
  }
  */

  window.MsgWindowCommands = new nsMsgWindowCommands();

  //Create message window object
  msgWindow = Components.classes[msgWindowContractID].createInstance();
  msgWindow = msgWindow.QueryInterface(Components.interfaces.nsIMsgWindow);

  msgComposeService = Components.classes['@mozilla.org/messengercompose;1'].getService();
  msgComposeService = msgComposeService.QueryInterface(Components.interfaces.nsIMsgComposeService);

  mailSession = Components.classes["@mozilla.org/messenger/services/session;1"].getService(Components.interfaces.nsIMsgMailSession);

  accountManager = Components.classes["@mozilla.org/messenger/account-manager;1"].getService(Components.interfaces.nsIMsgAccountManager);

  RDF = Components.classes['@mozilla.org/rdf/rdf-service;1'].getService();
  RDF = RDF.QueryInterface(Components.interfaces.nsIRDFService);

  msgComposeType = Components.interfaces.nsIMsgCompType;
  msgComposeFormat = Components.interfaces.nsIMsgCompFormat;

  gMessengerBundle = document.getElementById("bundle_messenger");
  gBrandBundle = document.getElementById("bundle_brand");

  //Create datasources
  accountManagerDataSource = Components.classes[accountManagerDSContractID].createInstance();
  folderDataSource         = Components.classes[folderDSContractID].getService();
  unreadFolderDataSource = Components.classes[unreadFoldersDSContractID].getService();
  favoriteFoldersDataSource = Components.classes[favoriteFoldersDSContractID].getService();
  recentFoldersDataSource = Components.classes[recentFoldersDSContractID].getService();
}

function InitMsgWindow()
{
  msgWindow.messagePaneController = new nsMessagePaneController();
  msgWindow.statusFeedback = statusFeedback;
  msgWindow.msgHeaderSink = messageHeaderSink;
  msgWindow.SetDOMWindow(window);
  mailSession.AddMsgWindow(msgWindow);
  getBrowser().docShell.allowAuth = false;
  msgWindow.rootDocShell.allowAuth = true; 
}

function AddDataSources()
{

  accountManagerDataSource = accountManagerDataSource.QueryInterface(Components.interfaces.nsIRDFDataSource);
  folderDataSource = folderDataSource.QueryInterface(Components.interfaces.nsIRDFDataSource);
  //to move menu item
  SetupMoveCopyMenus('moveMenu', accountManagerDataSource, folderDataSource);

  //to copy menu item
  SetupMoveCopyMenus('copyMenu', accountManagerDataSource, folderDataSource);


  //To FileButton menu
  SetupMoveCopyMenus('button-file', accountManagerDataSource, folderDataSource);

  //To move and copy menus in message pane context
  SetupMoveCopyMenus("messagePaneContext-copyMenu", accountManagerDataSource, folderDataSource);
  SetupMoveCopyMenus("messagePaneContext-moveMenu", accountManagerDataSource, folderDataSource);

  //Add statusFeedback

  var msgDS;
  var viewDataSources = [accountManagerDataSource, folderDataSource, 
                        unreadFolderDataSource, favoriteFoldersDataSource,
                        recentFoldersDataSource];
  for (index in viewDataSources)
  {
    msgDS = viewDataSources[index].QueryInterface(Components.interfaces.nsIMsgRDFDataSource);
    msgDS.window = msgWindow;
  }
}

function SetupMoveCopyMenus(menuid, accountManagerDataSource, folderDataSource)
{
  var menu = document.getElementById(menuid);
  if(menu)
  {
    menu.database.AddDataSource(accountManagerDataSource);
    menu.database.AddDataSource(folderDataSource);
    menu.setAttribute('ref', 'msgaccounts:/');
  }
}

// We're going to implement our status feedback for the mail window in JS now.
// the following contains the implementation of our status feedback object

function nsMsgStatusFeedback()
{
}

nsMsgStatusFeedback.prototype =
{
  // global variables for status / feedback information....
  statusTextFld : null,
  statusBar     : null,
  throbber      : null,
  stopCmd       : null,
  startTimeoutID : null,
  stopTimeoutID  : null,
  progressMeterContainer : null,
  pendingStartRequests : 0,
  meteorsSpinning : false,
  myDefaultStatus : null,
  progressMeterVisible : false,

  ensureStatusFields : function()
    {
      if (!this.statusTextFld ) this.statusTextFld = document.getElementById("statusText");
      if (!this.statusBar) this.statusBar = document.getElementById("statusbar-icon");
      if(!this.throbber)   this.throbber = document.getElementById("navigator-throbber");
      if(!this.stopCmd)   this.stopCmd = document.getElementById("cmd_stop");
      if (!this.progressMeterContainer) this.progressMeterContainer = document.getElementById("statusbar-progresspanel");
    },

  // nsIXULBrowserWindow implementation
  setJSStatus : function(status)
    {
      if (status.length > 0)
        this.showStatusString(status);
    },
  setJSDefaultStatus : function(status)
    {
      if (status.length > 0)
      {
        this.myDefaultStatus = status;
        this.statusTextFld.label = status;
      }
    },
  setOverLink : function(link)
    {
      this.ensureStatusFields();
      this.statusTextFld.label = link;
    },
  QueryInterface : function(iid)
    {
      if (iid.equals(Components.interfaces.nsIMsgStatusFeedback) ||
          iid.equals(Components.interfaces.nsIXULBrowserWindow) ||
          iid.equals(Components.interfaces.nsISupports))
        return this;