mailwindowoverlay.js

来自「现在很火的邮件客户端软件thunderbird的源码」· JavaScript 代码 · 共 1,957 行 · 第 1/5 页

# -*- 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):
#   timeless
#   [e-mail]
#   Håkan Waara <[e-mail]>
#   Jan Varga <[e-mail]>
#   Seth Spitzer <[e-mail]>
#   David Bienvenu <[e-mail]>
#   Karsten Düsterloh <[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 *****

const MSG_FLAG_READ              = 0x000001;
const MSG_FLAG_IMAP_DELETED      = 0x200000;
const MSG_FLAG_MDN_REPORT_NEEDED = 0x400000;
const MSG_FLAG_MDN_REPORT_SENT   = 0x800000;
const MDN_DISPOSE_TYPE_DISPLAYED = 0;
const ADDR_DB_LARGE_COMMIT       = 1;
const MSG_DB_LARGE_COMMIT        = 1;

const kClassicMailLayout = 0;
const kWideMailLayout = 1;
const kVerticalMailLayout = 2;

// Per message header flags to keep track of whether the user is allowing remote
// content for a particular message. 
// if you change or add more values to these constants, be sure to modify
// the corresponding definitions in nsMsgContentPolicy.cpp
const kNoRemoteContentPolicy = 0;
const kBlockRemoteContent = 1;
const kAllowRemoteContent = 2;

const kIsAPhishMessage = 0;
const kNotAPhishMessage = 1;

const kMsgNotificationPhishingBar = 1;
const kMsgNotificationJunkBar = 2;
const kMsgNotificationRemoteImages = 3;

var gMessengerBundle;
var gWindowManagerInterface;
var gPrefBranch = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefService).getBranch(null);
var gPrintSettings = null;
var gWindowReuse  = 0;
var gMarkViewedMessageAsReadTimer = null; // if the user has configured the app to mark a message as read if it is viewed for more than n seconds
var gTimelineService = null;
var gTimelineEnabled = ("@mozilla.org;timeline-service;1" in Components.classes);
if (gTimelineEnabled) {
  try {
    gTimelineEnabled = gPrefBranch.getBoolPref("mailnews.timeline_is_enabled");
    if (gTimelineEnabled) {
      gTimelineService = 
        Components.classes["@mozilla.org;timeline-service;1"].getService(Components.interfaces.nsITimelineService);
    }
  }
  catch (ex)
  {
    gTimelineEnabled = false;
  }
}

// the user preference,
// if HTML is not allowed. I assume, that the user could have set this to a
// value > 1 in his prefs.js or user.js, but that the value will not
// change during runtime other than through the MsgBody*() functions below.
var gDisallow_classes_no_html = 1; 

// Disable the new account menu item if the account preference is locked.
// Two other affected areas are the account central and the account manager
// dialog.
function menu_new_init()
{
  if (!gMessengerBundle)
    gMessengerBundle = document.getElementById("bundle_messenger");

  var newAccountItem = document.getElementById('newAccountMenuItem');
  if (gPrefBranch.prefIsLocked("mail.disable_new_account_addition"))
    newAccountItem.setAttribute("disabled","true");

  // Change "New Folder..." menu according to the context
  var folderArray = GetSelectedMsgFolders();
  if (folderArray.length == 0)
    return;
  var msgFolder = folderArray[0];
  var isServer = msgFolder.isServer;
  var serverType = msgFolder.server.type;
  var canCreateNew = msgFolder.canCreateSubfolders;
  var isInbox = IsSpecialFolder(msgFolder, MSG_FOLDER_FLAG_INBOX, false);
  var isIMAPFolder = serverType == "imap";
  var ioService = Components.classes["@mozilla.org/network/io-service;1"]
                         .getService(Components.interfaces.nsIIOService);
  var showNew = ((serverType != 'nntp') && canCreateNew) || isInbox;
  ShowMenuItem("menu_newFolder", showNew);
  ShowMenuItem("menu_newVirtualFolder", showNew);

  EnableMenuItem("menu_newFolder", !isIMAPFolder || MailOfflineMgr.isOnline());
  EnableMenuItem("menu_newVirtualFolder", true);
  if (showNew)
    SetMenuItemLabel("menu_newFolder", gMessengerBundle.getString((isServer || isInbox) ? "newFolderMenuItem" : "newSubfolderMenuItem"));
}

function goUpdateMailMenuItems(commandset)
{
//  dump("Updating commands for " + commandset.id + "\n");

  for (var i = 0; i < commandset.childNodes.length; i++)
  {
    var commandID = commandset.childNodes[i].getAttribute("id");
    if (commandID)
    {
      goUpdateCommand(commandID);
    }
  }
}

function file_init()
{
  document.commandDispatcher.updateCommands('create-menu-file');
}

function InitEditMessagesMenu()
{
  goSetMenuValue('cmd_delete', 'valueDefault');
  goSetAccessKey('cmd_delete', 'valueDefaultAccessKey');
  document.commandDispatcher.updateCommands('create-menu-edit');

  // initialize the favorite Folder checkbox in the edit menu
  var favoriteFolderMenu = document.getElementById('menu_favoriteFolder');
  if (favoriteFolderMenu && !favoriteFolderMenu.disabled)
  {
    var folderTree = GetFolderTree();
    var startIndex = {};
    var endIndex = {};
    folderTree.view.selection.getRangeAt(0, startIndex, endIndex);
    if (startIndex.value >= 0)
    {
      var numSelected = endIndex.value - startIndex.value + 1;
      var folderResource = GetFolderResource(folderTree, startIndex.value);
      var isServer = GetFolderAttribute(folderTree, folderResource, "IsServer") == 'true';
      SetupFavoritesMenuItem(folderResource, numSelected, isServer, 'menu_favoriteFolder');
    }
  }
}

function InitGoMessagesMenu()
{
  document.commandDispatcher.updateCommands('create-menu-go');
}

function view_init()
{
  if (!gMessengerBundle)
      gMessengerBundle = document.getElementById("bundle_messenger");
  var message_menuitem=document.getElementById('menu_showMessage');

  if (message_menuitem)
  {
      var message_menuitem_hidden = message_menuitem.getAttribute("hidden");
      if(message_menuitem_hidden != "true"){
          message_menuitem.setAttribute('checked', !IsMessagePaneCollapsed());
          message_menuitem.setAttribute('disabled', gAccountCentralLoaded);
      }
  }

  // Disable some menus if account manager is showing
  var sort_menuitem = document.getElementById('viewSortMenu');
  if (sort_menuitem) {
    sort_menuitem.setAttribute("disabled", gAccountCentralLoaded);
  }
  var view_menuitem = document.getElementById('viewMessageViewMenu');
  if (view_menuitem) {
    view_menuitem.setAttribute("disabled", gAccountCentralLoaded);
  }
  var threads_menuitem = document.getElementById('viewMessagesMenu');
  if (threads_menuitem) {
    threads_menuitem.setAttribute("disabled", gAccountCentralLoaded);
  }

  // hide the views menu item if the user doesn't have the views toolbar button visible
  viewsToolbarButton = document.getElementById("mailviews-container");
  if (!viewsToolbarButton)
    document.getElementById('viewMessageViewMenu').collapsed = true;

  // Initialize the View Attachment Inline menu
  var viewAttachmentInline = pref.getBoolPref("mail.inline_attachments");
  document.getElementById("viewAttachmentsInlineMenuitem").setAttribute("checked", viewAttachmentInline ? "true" : "false");

  document.commandDispatcher.updateCommands('create-menu-view');
}

function InitViewLayoutStyleMenu(event)
{
  var paneConfig = pref.getIntPref("mail.pane_config.dynamic");
  var layoutStyleMenuitem = event.target.childNodes[paneConfig];
  if (layoutStyleMenuitem)
    layoutStyleMenuitem.setAttribute("checked", "true"); 
}

function InitViewFolderViewsMenu(event)
{
  var layoutStyleMenuitem = event.target.childNodes[gCurrentFolderView];
  if (layoutStyleMenuitem)
    layoutStyleMenuitem.setAttribute("checked", "true"); 
}

function setSortByMenuItemCheckState(id, value)
{
  var menuitem = document.getElementById(id);
  if (menuitem) 
    menuitem.setAttribute("checked", value);
}

function InitViewSortByMenu()
{
  var sortType = gDBView.sortType;

  setSortByMenuItemCheckState("sortByDateMenuitem", (sortType == nsMsgViewSortType.byDate));
  setSortByMenuItemCheckState("sortByFlagMenuitem", (sortType == nsMsgViewSortType.byFlagged));
  setSortByMenuItemCheckState("sortByOrderReceivedMenuitem", (sortType == nsMsgViewSortType.byId));
  setSortByMenuItemCheckState("sortByPriorityMenuitem", (sortType == nsMsgViewSortType.byPriority));
  setSortByMenuItemCheckState("sortBySizeMenuitem", (sortType == nsMsgViewSortType.bySize));
  setSortByMenuItemCheckState("sortByStatusMenuitem", (sortType == nsMsgViewSortType.byStatus));
  setSortByMenuItemCheckState("sortBySubjectMenuitem", (sortType == nsMsgViewSortType.bySubject));
  setSortByMenuItemCheckState("sortByUnreadMenuitem", (sortType == nsMsgViewSortType.byUnread));
  setSortByMenuItemCheckState("sortByTagsMenuitem", (sortType == nsMsgViewSortType.byTags));
  setSortByMenuItemCheckState("sortByJunkStatusMenuitem", (sortType == nsMsgViewSortType.byJunkStatus));
  setSortByMenuItemCheckState("sortBySenderMenuitem", (sortType == nsMsgViewSortType.byAuthor));
  setSortByMenuItemCheckState("sortByRecipientMenuitem", (sortType == nsMsgViewSortType.byRecipient)); 
  setSortByMenuItemCheckState("sortByAttachmentsMenuitem", (sortType == nsMsgViewSortType.byAttachments)); 	

  var sortOrder = gDBView.sortOrder;
  var sortTypeSupportsGrouping = (sortType == nsMsgViewSortType.byAuthor 
      || sortType == nsMsgViewSortType.byDate || sortType == nsMsgViewSortType.byPriority
      || sortType == nsMsgViewSortType.bySubject || sortType == nsMsgViewSortType.byTags
      || sortType == nsMsgViewSortType.byRecipient || sortType == nsMsgViewSortType.byAccount
      || sortType == nsMsgViewSortType.byStatus || sortType == nsMsgViewSortType.byFlagged
      || sortType == nsMsgViewSortType.byAttachments);

  setSortByMenuItemCheckState("sortAscending", (sortOrder == nsMsgViewSortOrder.ascending));
  setSortByMenuItemCheckState("sortDescending", (sortOrder == nsMsgViewSortOrder.descending));

  var grouped = ((gDBView.viewFlags & nsMsgViewFlagsType.kGroupBySort) != 0);
  var threaded = ((gDBView.viewFlags & nsMsgViewFlagsType.kThreadedDisplay) != 0 && !grouped);
  var sortThreadedMenuItem = document.getElementById("sortThreaded");
  var sortUnthreadedMenuItem = document.getElementById("sortUnthreaded");

  sortThreadedMenuItem.setAttribute("checked", threaded);
  sortUnthreadedMenuItem.setAttribute("checked", !threaded && !grouped);

  sortThreadedMenuItem.setAttribute("disabled", !gDBView.supportsThreading);
  sortUnthreadedMenuItem.setAttribute("disabled", !gDBView.supportsThreading);

  var groupBySortOrderMenuItem = document.getElementById("groupBySort");

  groupBySortOrderMenuItem.setAttribute("disabled", !gDBView.supportsThreading || !sortTypeSupportsGrouping);
  groupBySortOrderMenuItem.setAttribute("checked", grouped);
}

function InitViewMessagesMenu()
{
  var viewFlags = (gDBView) ? gDBView.viewFlags : 0;
  var viewType = (gDBView) ? gDBView.viewType : 0;

  var allMenuItem = document.getElementById("viewAllMessagesMenuItem");
  if(allMenuItem)
      allMenuItem.setAttribute("checked",  (viewFlags & nsMsgViewFlagsType.kUnreadOnly) == 0 && (viewType == nsMsgViewType.eShowAllThreads));

  var unreadMenuItem = document.getElementById("viewUnreadMessagesMenuItem");
  if(unreadMenuItem)
      unreadMenuItem.setAttribute("checked", (viewFlags & nsMsgViewFlagsType.kUnreadOnly) != 0);

  var theadsWithUnreadMenuItem = document.getElementById("viewThreadsWithUnreadMenuItem");
  if(theadsWithUnreadMenuItem)
      theadsWithUnreadMenuItem.setAttribute("checked", viewType == nsMsgViewType.eShowThreadsWithUnread);

  var watchedTheadsWithUnreadMenuItem = document.getElementById("viewWatchedThreadsWithUnreadMenuItem");
  if(watchedTheadsWithUnreadMenuItem)
      watchedTheadsWithUnreadMenuItem.setAttribute("checked", viewType == nsMsgViewType.eShowWatchedThreadsWithUnread);
  
  var ignoredTheadsMenuItem = document.getElementById("viewIgnoredThreadsMenuItem");
  if(ignoredTheadsMenuItem)
      ignoredTheadsMenuItem.setAttribute("checked", (viewFlags & nsMsgViewFlagsType.kShowIgnored) != 0);
}

function InitMessageMenu()
{
  var aMessage = GetFirstSelectedMessage();
  var isNews = false;
  if(aMessage)
    isNews = IsNewsMessage(aMessage);

  //We show reply to Newsgroups only for news messages.
  var replyNewsgroupMenuItem = document.getElementById("replyNewsgroupMainMenu");
  if(replyNewsgroupMenuItem)
    replyNewsgroupMenuItem.setAttribute("hidden", isNews ? "" : "true");

  //For mail messages we say reply. For news we say ReplyToSender.
  var replyMenuItem = document.getElementById("replyMainMenu");
  if(replyMenuItem)
    replyMenuItem.setAttribute("hidden", !isNews ? "" : "true");

  var replySenderMenuItem = document.getElementById("replySenderMainMenu");
  if(replySenderMenuItem)
    replySenderMenuItem.setAttribute("hidden", isNews ? "" : "true");

  // we only kill and watch threads for news
  var threadMenuSeparator = document.getElementById("threadItemsSeparator");
  if (threadMenuSeparator)
    threadMenuSeparator.setAttribute("hidden", isNews ? "" : "true");
  var killThreadMenuItem = document.getElementById("killThread");
  if (killThreadMenuItem)
    killThreadMenuItem.setAttribute("hidden", isNews ? "" : "true");
  var watchThreadMenuItem = document.getElementById("watchThread");
  if (watchThreadMenuItem)
    watchThreadMenuItem.setAttribute("hidden", isNews ? "" : "true");

  // disable the move and copy menus if there are no messages selected.
  // disable the move menu if we can't delete msgs from the folder
  var moveMenu = document.getElementById("moveMenu");
  var msgFolder = GetLoadedMsgFolder();
  if(moveMenu)
  {
    var enableMenuItem = aMessage && msgFolder && msgFolder.canDeleteMessages;
    moveMenu.setAttribute("disabled", !enableMenuItem);
  }

  var copyMenu = document.getElementById("copyMenu");
  if(copyMenu)
    copyMenu.setAttribute("disabled", !aMessage);
  
  initMoveToFolderAgainMenu(document.getElementById("moveToFolderAgain"));

  // Disable Forward as/Label menu items if no message is selected
  var forwardAsMenu = document.getElementById("forwardAsMenu");
  if(forwardAsMenu)
    forwardAsMenu.setAttribute("disabled", !aMessage);

  var labelMenu = document.getElementById("labelMenu");
  if(labelMenu)
    labelMenu.setAttribute("disabled", !aMessage);

  // Disable mark menu when we're not in a folder
  var markMenu = document.getElementById("markMenu");
  if(markMenu)
    markMenu.setAttribute("disabled", !msgFolder);

  document.commandDispatcher.updateCommands('create-menu-message');
}

// initMoveToFolderAgainMenu
// enables / disables aMenuItem based on the value of mail.last_msg_movecopy_target_uri
// Adjusts the label and accesskey for aMenuItem to include the folder name
function initMoveToFolderAgainMenu(aMenuItem)
{
  var lastFolderURI = pref.getCharPref("mail.last_msg_movecopy_target_uri");
  var isMove = pref.getBoolPref("mail.last_msg_movecopy_was_move");  
  if (lastFolderURI)
  {
    var destResource = RDF.GetResource(lastFolderURI);