msgcomposecommands.js

来自「现在很火的邮件客户端软件thunderbird的源码」· JavaScript 代码 · 共 1,865 行 · 第 1/5 页

    onStatusChange: function(aWebProgress, aRequest, aStatus, aMessage)
    {
      // Looks like it's possible that we get call while the document has been already delete!
      // therefore we need to protect ourself by using try/catch
      try {
        statusText = document.getElementById("statusText");
        if (statusText)
          statusText.setAttribute("label", aMessage);
      } catch (ex) {}
    },

    onSecurityChange: function(aWebProgress, aRequest, state)
    {
      // we can ignore this notification
    },

    QueryInterface : function(iid)
    {
      if (iid.equals(Components.interfaces.nsIWebProgressListener) ||
          iid.equals(Components.interfaces.nsISupportsWeakReference) ||
          iid.equals(Components.interfaces.nsISupports))
        return this;
     
      throw Components.results.NS_NOINTERFACE;
    }
};

var defaultController =
{
  supportsCommand: function(command)
  {
    switch (command)
    {
      //File Menu
      case "cmd_attachFile":
      case "cmd_attachPage":
      case "cmd_close":
      case "cmd_saveDefault":
      case "cmd_saveAsFile":
      case "cmd_saveAsDraft":
      case "cmd_saveAsTemplate":
      case "cmd_sendButton":
      case "cmd_sendNow":
      case "cmd_sendWithCheck":
      case "cmd_sendLater":
      case "cmd_printSetup":
      case "cmd_print":
      case "cmd_quit":

      //Edit Menu
      case "cmd_delete":
      case "cmd_selectAll":
      case "cmd_openAttachment":
      case "cmd_account":

      //View Menu
      case "cmd_showComposeToolbar":
      case "cmd_showFormatToolbar":

      //Options Menu
      case "cmd_selectAddress":
      case "cmd_outputFormat":
      case "cmd_quoteMessage":
        return true;

      default:
//        dump("##MsgCompose: command " + command + "no supported!\n");
        return false;
    }
  },
  isCommandEnabled: function(command)
  {
    var composeHTML = gMsgCompose && gMsgCompose.composeHTML;

    switch (command)
    {
      //File Menu
      case "cmd_attachFile":
      case "cmd_attachPage":
      case "cmd_close":
      case "cmd_saveDefault":
      case "cmd_saveAsFile":
      case "cmd_saveAsDraft":
      case "cmd_saveAsTemplate":
      case "cmd_sendButton":
      case "cmd_sendLater":
      case "cmd_printSetup":
      case "cmd_print":
      case "cmd_sendWithCheck":
        return !gWindowLocked;
      case "cmd_sendNow":
        return !(gWindowLocked || gIsOffline);
      case "cmd_quit":
        return true;

      //Edit Menu
      case "cmd_delete":
        return MessageGetNumSelectedAttachments();
      case "cmd_selectAll":
        return MessageHasAttachments();
      case "cmd_openAttachment":
        return MessageGetNumSelectedAttachments() == 1;
      case "cmd_account":

      //View Menu
      case "cmd_showComposeToolbar":
        return true;
      case "cmd_showFormatToolbar":
        return composeHTML;

      //Options Menu
      case "cmd_selectAddress":
        return !gWindowLocked;
      case "cmd_outputFormat":
        return composeHTML;
      case "cmd_quoteMessage":
        var selectedURIs = GetSelectedMessages();
        if (selectedURIs && selectedURIs.length > 0)
          return true;
        return false;

      default:
//        dump("##MsgCompose: command " + command + " disabled!\n");
        return false;
    }
  },

  doCommand: function(command)
  { 
    switch (command)
    {
      //File Menu
      case "cmd_attachFile"         : if (defaultController.isCommandEnabled(command)) AttachFile();           break;
      case "cmd_attachPage"         : AttachPage();           break;
      case "cmd_close"              : DoCommandClose();       break;
      case "cmd_saveDefault"        : Save();                 break;
      case "cmd_saveAsFile"         : SaveAsFile(true);       break;
      case "cmd_saveAsDraft"        : SaveAsDraft();          break;
      case "cmd_saveAsTemplate"     : SaveAsTemplate();       break;
      case "cmd_sendButton"         :
        if (defaultController.isCommandEnabled(command))
        {
          if (gIOService && gIOService.offline)
            SendMessageLater();
          else
            SendMessage();
        }
        break;
      case "cmd_sendNow"            : if (defaultController.isCommandEnabled(command)) SendMessage();          break;
      case "cmd_sendWithCheck"   : if (defaultController.isCommandEnabled(command)) SendMessageWithCheck();          break;
      case "cmd_sendLater"          : if (defaultController.isCommandEnabled(command)) SendMessageLater();     break;
      case "cmd_printSetup"         : NSPrintSetup(); break;
      case "cmd_print"              : DoCommandPrint(); break;

      //Edit Menu
      case "cmd_delete"             : if (MessageGetNumSelectedAttachments()) RemoveSelectedAttachment();         break;
      case "cmd_selectAll"          : if (MessageHasAttachments()) SelectAllAttachments();                     break;
      case "cmd_openAttachment"     : if (MessageGetNumSelectedAttachments() == 1) OpenSelectedAttachment();          break;
      case "cmd_account"            : MsgAccountManager(null); break;

      //View Menu
      case "cmd_showComposeToolbar" : goToggleToolbar('composeToolbar2', 'menu_showComposeToolbar'); break;
      case "cmd_showFormatToolbar"  : goToggleToolbar('FormatToolbar', 'menu_showFormatToolbar');   break;

      //Options Menu
      case "cmd_selectAddress"      : if (defaultController.isCommandEnabled(command)) SelectAddress();         break;
      case "cmd_quoteMessage"       : if (defaultController.isCommandEnabled(command)) QuoteSelectedMessage();  break;
      default:
//        dump("##MsgCompose: don't know what to do with command " + command + "!\n");
        return;
    }
  },

  onEvent: function(event)
  {
//    dump("DefaultController:onEvent\n");
  }
}

function goOpenNewMessage()
{
  // if there is a MsgNewMessage function in scope
  // and we should use it, so that we choose the proper
  // identity, based on the selected message or folder
  // if not, bring up the compose window to the default identity
  if ("MsgNewMessage" in window) {
    MsgNewMessage(null);
    return;
   }

   var msgComposeService = Components.classes["@mozilla.org/messengercompose;1"].getService();
   msgComposeService = msgComposeService.QueryInterface(Components.interfaces.nsIMsgComposeService);
   msgComposeService.OpenComposeWindow(null, null,
                                       Components.interfaces.nsIMsgCompType.New,
                                       Components.interfaces.nsIMsgCompFormat.Default,
                                       null, null);
}

function QuoteSelectedMessage()
{
  var selectedURIs = GetSelectedMessages();
  if (selectedURIs)
    for (i = 0; i < selectedURIs.length; i++)
      gMsgCompose.quoteMessage(selectedURIs[i]);
}

function GetSelectedMessages()
{
  if (gMsgCompose) {
    var mailWindow = Components.classes["@mozilla.org/appshell/window-mediator;1"].getService()
                     .QueryInterface(Components.interfaces.nsIWindowMediator)
                     .getMostRecentWindow("mail:3pane");
    if (mailWindow) {
      return mailWindow.GetSelectedMessages();
    }
  }

  return null;
}

function SetupCommandUpdateHandlers()
{
  top.controllers.insertControllerAt(0, defaultController);
}

function CommandUpdate_MsgCompose()
{
  var focusedWindow = top.document.commandDispatcher.focusedWindow;

  // we're just setting focus to where it was before
  if (focusedWindow == gLastWindowToHaveFocus) {
    //dump("XXX skip\n");
    return;
  }

  gLastWindowToHaveFocus = focusedWindow;

  //dump("XXX update, focus on " + focusedWindow + "\n");
  
  updateComposeItems();
}

function updateComposeItems()
{
  try {
    // Edit Menu
    goUpdateCommand("cmd_rewrap");

    // Insert Menu
    if (gMsgCompose && gMsgCompose.composeHTML)
    {
      goUpdateCommand("cmd_renderedHTMLEnabler");
      goUpdateCommand("cmd_decreaseFont");
      goUpdateCommand("cmd_increaseFont");
      goUpdateCommand("cmd_bold");
      goUpdateCommand("cmd_italic");
      goUpdateCommand("cmd_underline");
      goUpdateCommand("cmd_ul");
      goUpdateCommand("cmd_ol");
      goUpdateCommand("cmd_indent");
      goUpdateCommand("cmd_outdent");
      goUpdateCommand("cmd_align");
      goUpdateCommand("cmd_smiley");
    }

    // Options Menu
    goUpdateCommand("cmd_spelling");
    goUpdateCommand("cmd_quoteMessage");
  } catch(e) {}
}

function openEditorContextMenu()
{
  // if we have a mispelled word, do one thing, otherwise show the usual context menu
  var spellCheckNoSuggestionsItem = document.getElementById('spellCheckNoSuggestions');
  var word;
  var misspelledWordStatus = InlineSpellChecker.updateSuggestionsMenu(document.getElementById('msgComposeContext'), spellCheckNoSuggestionsItem,
                              word);
  
  var hideSpellingItems = (misspelledWordStatus == kSpellNoMispelling);
  spellCheckNoSuggestionsItem.hidden = hideSpellingItems || misspelledWordStatus != kSpellNoSuggestionsFound;
  document.getElementById('spellCheckAddToDictionary').hidden = hideSpellingItems;
  document.getElementById('spellCheckIgnoreWord').hidden = hideSpellingItems;
  document.getElementById('spellCheckAddSep').hidden = hideSpellingItems;
  document.getElementById('spellCheckSuggestionsSeparator').hidden = hideSpellingItems;

  updateEditItems();
}

function updateEditItems()
{
  goUpdateCommand("cmd_pasteNoFormatting");
  goUpdateCommand("cmd_pasteQuote");
  goUpdateCommand("cmd_delete");
  goUpdateCommand("cmd_selectAll");
  goUpdateCommand("cmd_openAttachment");
  goUpdateCommand("cmd_find");
  goUpdateCommand("cmd_findNext");
  goUpdateCommand("cmd_findPrev");
}

var messageComposeOfflineObserver = 
{
  observe: function(subject, topic, state) 
  {
    // sanity checks
    if (topic != "network:offline-status-changed") 
      return;
    gIsOffline = state == "offline";
    MessageComposeOfflineStateChanged(gIsOffline);

    try {
        setupLdapAutocompleteSession();
    } catch (ex) {
        // catch the exception and ignore it, so that if LDAP setup 
        // fails, the entire compose window stuff doesn't get aborted
    }
  }
}

function AddMessageComposeOfflineObserver()
{
  var observerService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
  observerService.addObserver(messageComposeOfflineObserver, "network:offline-status-changed", false);
  
  gIsOffline = gIOService.offline;
  // set the initial state of the send button
  MessageComposeOfflineStateChanged(gIsOffline);
}

function RemoveMessageComposeOfflineObserver()
{
  var observerService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
  observerService.removeObserver(messageComposeOfflineObserver,"network:offline-status-changed");
}

function MessageComposeOfflineStateChanged(goingOffline)
{
  try {
    var sendButton = document.getElementById("button-send");
    var sendNowMenuItem = document.getElementById("menu-item-send-now");

    if (!gSavedSendNowKey) {
      gSavedSendNowKey = sendNowMenuItem.getAttribute('key');
    }

    // don't use goUpdateCommand here ... the defaultController might not be installed yet
    goSetCommandEnabled("cmd_sendNow", defaultController.isCommandEnabled("cmd_sendNow"));

    if (goingOffline)
    {
      sendButton.label = sendButton.getAttribute('later_label');
      sendButton.setAttribute('tooltiptext', sendButton.getAttribute('later_tooltiptext'));
      sendNowMenuItem.removeAttribute('key');
    }
    else
    {
      sendButton.label = sendButton.getAttribute('now_label');
      sendButton.setAttribute('tooltiptext', sendButton.getAttribute('now_tooltiptext'));
      if (gSavedSendNowKey) {
        sendNowMenuItem.setAttribute('key', gSavedSendNowKey);
      }
    }

  } catch(e) {}
}

var directoryServerObserver = {
  observe: function(subject, topic, value) {
      try {
          setupLdapAutocompleteSession();
      } catch (ex) {