messagewindow.js

现在很火的邮件客户端软件thunderbird的源码

      case "cmd_nextUnreadThread":
      case "cmd_previousMsg":
      case "cmd_previousUnreadMsg":
      case "cmd_previousFlaggedMsg":
      case "cmd_goForward":
      case "cmd_goBack":
      case "button_goForward":
      case "button_goBack":
        return !(gDBView.keyForFirstSelectedMessage == nsMsgKey_None);

      case "cmd_reply":
      case "button_reply":
      case "cmd_replySender":
      case "cmd_replyGroup":
      case "cmd_replyall":
      case "button_replyall":
      case "cmd_forward":
      case "button_forward":
      case "cmd_forwardInline":
      case "cmd_forwardAttachment":
      case "cmd_editAsNew":
      case "cmd_getNextNMessages":
      case "cmd_find":
      case "cmd_findAgain":
      case "cmd_findPrevious":
      case "cmd_search":
      case "cmd_reload":
      case "cmd_getNewMessages":
      case "button_getNewMessages":
      case "button_print":
      case "cmd_print":
      case "cmd_printpreview":
      case "cmd_printSetup":
      case "cmd_close":
      case "cmd_settingsOffline":
      case "cmd_createFilterFromPopup":
      case "cmd_createFilterFromMenu":
      case "cmd_moveToFolderAgain":
				return true;
      case "cmd_synchronizeOffline":
			case "cmd_downloadFlagged":
			case "cmd_downloadSelected":
        return MailOfflineMgr.isOnline();
			default:
				return false;
		}
	},

	isCommandEnabled: function(command)
	{
		switch ( command )
		{
      case "cmd_createFilterFromPopup":
      case "cmd_createFilterFromMenu":
        var loadedFolder = GetLoadedMsgFolder();
        if (!(loadedFolder && loadedFolder.server.canHaveFilters))
          return false;
			case "cmd_delete":
        UpdateDeleteCommand();
        // fall through
			case "button_delete":
			case "cmd_shiftDelete":
        var loadedFolder = GetLoadedMsgFolder();
        return gCurrentMessageUri && loadedFolder && (loadedFolder.canDeleteMessages || isNewsURI(gCurrentFolderUri));
      case "button_junk":
        UpdateJunkToolbarButton();
        // fall through
      case "cmd_markAsJunk":
			case "cmd_markAsNotJunk":
      case "cmd_recalculateJunkScore":
        // can't do junk on news yet
        return (!isNewsURI(gCurrentFolderUri));
			case "cmd_reply":
			case "button_reply":
			case "cmd_replySender":
			case "cmd_replyGroup":
			case "cmd_replyall":
			case "button_replyall":
			case "cmd_forward":
			case "button_forward":
			case "cmd_forwardInline":
			case "cmd_forwardAttachment":
			case "cmd_editAsNew":
			case "cmd_print":
			case "cmd_printpreview":
      case "button_print":
			case "cmd_saveAsFile":
			case "cmd_saveAsTemplate":
			case "cmd_viewPageSource":
			case "cmd_reload":
			case "cmd_find":
			case "cmd_tag":
      case "button_mark":
			case "cmd_markAsRead":
			case "cmd_markAllRead":
			case "cmd_markThreadAsRead":
      case "cmd_markReadByDate":
        return(true);
			case "cmd_markAsFlagged":
      case "button_file":
			case "cmd_file":
				return ( gCurrentMessageUri != null);
			case "cmd_printSetup":
			  return true;
			case "cmd_getNewMessages":
      case "button_getNewMessages":
      case "cmd_getMsgsForAuthAccounts":
				return IsGetNewMessagesEnabled();
			case "cmd_getNextNMessages":
				return IsGetNextNMessagesEnabled();		
			case "cmd_downloadFlagged":
			case "cmd_downloadSelected":
      case "cmd_synchronizeOffline":
        return MailOfflineMgr.isOnline();
			case "cmd_settingsOffline":
                return IsAccountOfflineEnabled();
			case "cmd_close":
			case "cmd_nextMsg":
      case "button_next":
			case "cmd_nextUnreadMsg":
			case "cmd_nextUnreadThread":
      case "button_previous":
			case "cmd_previousMsg":
			case "cmd_previousUnreadMsg":
				return true;
			case "cmd_findAgain":
			case "cmd_findPrevious":
                        case "cmd_goForward":
                        case "cmd_goBack":
				return true;
      case "button_goForward":
      case "button_goBack":
      case "cmd_goForward":
      case "cmd_goBack":
        return gDBView && 
            gDBView.navigateStatus((command == "cmd_goBack" || 
                                    command == "button_goBack") 
                                    ? nsMsgNavigationType.back : nsMsgNavigationType.forward);
      case "cmd_search":
        var loadedFolder = GetLoadedMsgFolder();
        if (!loadedFolder)
          return false;
        return loadedFolder.server.canSearchMessages; 
      case "cmd_undo":
      case "cmd_redo":
        return SetupUndoRedoCommand(command);
      case "cmd_moveToFolderAgain":
        return (pref.getCharPref("mail.last_msg_movecopy_target_uri"));
      case "cmd_applyFilters":
      case "cmd_runJunkControls":
      case "cmd_deleteJunk":
        return false;
			default:
				return false;
		}
	},

	doCommand: function(command)
	{
    // if the user invoked a key short cut then it is possible that we got here for a command which is
    // really disabled. kick out if the command should be disabled.
    if (!this.isCommandEnabled(command)) return;

    var navigationType = nsMsgNavigationType.nextUnreadMessage;

	switch ( command )
	{
		case "cmd_close":
			CloseMailWindow();
			break;
		case "cmd_getNewMessages":
			MsgGetMessage();
			break;
        case "cmd_undo":
            messenger.Undo(msgWindow);
            break;
        case "cmd_redo":
            messenger.Redo(msgWindow);
            break;
        case "cmd_getMsgsForAuthAccounts":
          MsgGetMessagesForAllAuthenticatedAccounts();
          break;
        case "cmd_getNextNMessages":
				MsgGetNextNMessages();
				break;
			case "cmd_reply":
				MsgReplyMessage(null);
				break;
			case "cmd_replySender":
				MsgReplySender(null);
				break;
			case "cmd_replyGroup":
				MsgReplyGroup(null);
				break;
			case "cmd_replyall":
				MsgReplyToAllMessage(null);
				break;
			case "cmd_forward":
				MsgForwardMessage(null);
				break;
			case "cmd_forwardInline":
				MsgForwardAsInline(null);
				break;
			case "cmd_forwardAttachment":
				MsgForwardAsAttachment(null);
				break;
			case "cmd_editAsNew":
				MsgEditMessageAsNew();
				break;
      case "cmd_moveToFolderAgain":
        var folderId = pref.getCharPref("mail.last_msg_movecopy_target_uri");
        if (pref.getBoolPref("mail.last_msg_movecopy_was_move"))
          MsgMoveMessage(folderId);
        else
          MsgCopyMessage(folderId);
        break;				
      case "cmd_createFilterFromPopup":
				break;// This does nothing because the createfilter is invoked from the popupnode oncommand.        
      case "cmd_createFilterFromMenu":
        MsgCreateFilter();
				break;        
			case "cmd_delete":
				MsgDeleteMessageFromMessageWindow(false, false);
				break;
			case "cmd_shiftDelete":
				MsgDeleteMessageFromMessageWindow(true, false);
				break;
      case "button_junk":
        MsgJunk();
        break;
			case "button_delete":
				MsgDeleteMessageFromMessageWindow(false, true);
				break;
		  case "cmd_printSetup":
		    NSPrintSetup();
		    break;
			case "cmd_print":
				PrintEnginePrint();
				break;
			case "cmd_printpreview":
				PrintEnginePrintPreview();
				break;
			case "cmd_saveAsFile":
				MsgSaveAsFile();
				break;
			case "cmd_saveAsTemplate":
				MsgSaveAsTemplate();
				break;
			case "cmd_viewPageSource":
				MsgViewPageSource();
				break;
			case "cmd_reload":
				MsgReload();
				break;
			case "cmd_find":
				MsgFind();
				break;
			case "cmd_findAgain":
				MsgFindAgain(false);
				break;
			case "cmd_findPrevious":
				MsgFindAgain(true);
				break;
      case "cmd_search":
        MsgSearchMessages();
        break;
      case "button_mark":
			case "cmd_markAsRead":
				MsgMarkMsgAsRead(null);
				return;
			case "cmd_markThreadAsRead":
				MsgMarkThreadAsRead();
				return;
			case "cmd_markAllRead":
				MsgMarkAllRead();
				return;
      case "cmd_markReadByDate":
        MsgMarkReadByDate();
        return;
			case "cmd_markAsFlagged":
				MsgMarkAsFlagged(null);
				return;
			case "cmd_markAsJunk":
        JunkSelectedMessages(true);
				return;
			case "cmd_markAsNotJunk":
        JunkSelectedMessages(false);
				return;
      case "cmd_recalculateJunkScore":
        analyzeMessagesForJunk();
        return;
      case "cmd_downloadFlagged":
        MsgDownloadFlagged();
        return;
      case "cmd_downloadSelected":
        MsgDownloadSelected();
        return;
      case "cmd_synchronizeOffline":
        MsgSynchronizeOffline();
        return;
      case "cmd_settingsOffline":
        MailOfflineMgr.openOfflineAccountSettings();
        return;
      case "cmd_nextUnreadMsg":
      case "button_next":
        performNavigation(nsMsgNavigationType.nextUnreadMessage);
        break;
      case "cmd_nextUnreadThread":      
        performNavigation(nsMsgNavigationType.nextUnreadThread);
				break;
			case "cmd_nextMsg":
        performNavigation(nsMsgNavigationType.nextMessage);
				break;
			case "cmd_nextFlaggedMsg":
        performNavigation(nsMsgNavigationType.nextFlagged);
				break;
			case "cmd_previousMsg":
        performNavigation(nsMsgNavigationType.previousMessage);
				break;
      case "button_previous":
      case "cmd_previousUnreadMsg":
        performNavigation(nsMsgNavigationType.previousUnreadMessage);
		break;
      case "cmd_previousFlaggedMsg":
        performNavigation(nsMsgNavigationType.previousFlagged);
        break;
      case "cmd_goForward":
        performNavigation(nsMsgNavigationType.forward);
        break;
      case "cmd_goBack":
        performNavigation(nsMsgNavigationType.back);
        break;
      }
	},
	
	onEvent: function(event)
	{
	}
};

function LoadMessageByNavigationType(type)
{
  var resultId = new Object;
  var resultIndex = new Object;
  var threadIndex = new Object;

  gDBView.viewNavigate(type, resultId, resultIndex, threadIndex, true /* wrap */);

  // if we found something....display it.
  if ((resultId.value != nsMsgKey_None) && (resultIndex.value != nsMsgKey_None)) 
  {
    // load the message key
    LoadMessageByMsgKey(resultId.value);
    // if we changed folders, the message counts changed.
    UpdateStandAloneMessageCounts();

    // new message has been loaded
    return true;
  }

  // no message found to load
  return false;
}
   
function performNavigation(type)
{
  // Try to load a message by navigation type if we can find
  // the message in the same folder.
  if (LoadMessageByNavigationType(type))
    return;
   
  CrossFolderNavigation(type);
}

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

function GetDBView()
{
  return gDBView;
}

function LoadMessageByMsgKey(messageKey)
{
  LoadMessageByViewIndex(gDBView.findIndexFromKey(messageKey, true));
}

function LoadMessageByViewIndex(viewIndex)
{
  gDBView.loadMessageByViewIndex(viewIndex);
  // we only want to update the toolbar if there was no previous selected message.
  if (nsMsgKey_None == gDBView.keyForFirstSelectedMessage)
    UpdateMailToolbar("update toolbar for message Window");
}