imapfolderc.c

linux下的E_MAIL客户端源码

	 resp.Trim();
      }

      if ( resp.StartsWith("FLAGS", IGNORE_CASE) ||
	   resp.StartsWith("NO", IGNORE_CASE) )
	 ;

      else if ( resp.EndsWith("EXISTS", IGNORE_CASE) ) {
	 resp.CutEnd(6);
	 resp.Trim();
	 StringC	num = resp;
	 msgCount = atoi(num);
      }

      else if ( resp.EndsWith("RECENT", IGNORE_CASE) ) {
	 resp.CutEnd(6);
	 resp.Trim();
	 StringC	num = resp;
	 newCount = atoi(num);
      }

      else if ( resp.Contains("FETCH (FLAGS", IGNORE_CASE) ) {
	 /* The flags of a message changed on the server */
	 CharC msgNum = resp.NextWord(0);
	 CharC flags = resp.NextWord(resp.PosOf("FLAGS ") + 7, ')');
	 if ( debuglev > 0 )
	    cout << "Change flags on msg " << msgNum << " to " << flags << endl;
	 // Get the Message
	 int x=atoi(msgNum.Addr()) - 1;
	 /*Imap*/MsgC *msg = /*(ImapMsgC*)*/(*msgList)[x];
	 /* No flags means that message should be flagged as unread */
	 if (flags.Len() == 0)
	    msg->ClearStatus(MSG_READ, False);
	 // Parse and set flags
	 while (flags.Len() > 0) {
	    // Trim off the \ at the beginning
	    flags.CutBeg(1);
	    flags.Trim();
	    if (flags.StartsWith("Seen", IGNORE_CASE) ) {
	       msg->ClearStatus(MSG_NEW, False);
	       msg->SetStatus(MSG_READ, False);
	       updateTitle=True;
	       flags.CutBeg(4);
	       flags.Trim();
	    } else if (flags.StartsWith("Deleted", IGNORE_CASE) ) {
#if 0
// methinks this is quick, efficient but incomplete as it does not adjust
// "save" button sensitivies
	       msg->SetStatus(MSG_DELETED, False);
	       SetChanged(True);
	       updateTitle=True;
#else
// this is likely The Right Thing To Do"(tm) but it does have the ugly side
// effect that if you are reading a message and it is deleted by another,
// your reading window will move on to the next message.  hmmmmm
	       ishApp->mainWin->DeleteMsg(msg);
#endif
	       flags.CutBeg(7);
	       flags.Trim();
	    } else if (flags.StartsWith("Recent", IGNORE_CASE) ) {
	       msg->SetStatus(MSG_NEW, False);
	       flags.CutBeg(6);
	       flags.Trim();
	    } else if (flags.StartsWith("Answered", IGNORE_CASE) ) {
	       msg->SetStatus(MSG_REPLIED, False);
	       flags.CutBeg(8);
	       flags.Trim();
	    } else if (flags.StartsWith("Saved", IGNORE_CASE) ) {
	       msg->SetStatus(MSG_SAVED, False);
	       flags.CutBeg(5);
	       flags.Trim();
	    } else {
	       int flagLen = flags.PosOf(' ', 0, IGNORE_CASE);
	       if (flagLen == -1)
		  flagLen = flags.Len();
	       CharC flag(flags.Addr(), flagLen);
	       cerr << "Unknown msg flag returned from server \"\\" << flag <<
		  "\"\n";
	       flags.CutBeg(flagLen);
	       flags.Trim();
	    }
	 }
	 if ( msg->icon )
	    msg->icon->UpdateStatus();
      }

      else if ( resp.EndsWith("EXPUNGE", IGNORE_CASE) ) {
	 // A message was removed from the IMAP folder
	 numExpunges++;
	 resp.CutEnd(7);
	 resp.Trim();
	 StringC	msgNum = resp;
	 int x=atoi(msgNum) - 1;
	 ImapMsgC *msg = (ImapMsgC*)(*msgList)[x];
	 // if it's deleted and expunged quickly there will be no
	 // FETCH (FLAGS (\Deleted)) message, so we have to do this here and
	 // depend on the list weeding out duplicates (which it does happily
	 delItemList->add(msg->icon);
	 // Delete the expunged message
        if ( active && !ishApp->exiting )
	    ishApp->mainWin->MsgVBox().RemoveItem(*msg->icon);
         delItemList->remove(msg->icon);
	 delete msg;
	 msgList->remove(x);
	 // Renumber remaining nessages
         u_int	count  = msgList->size();
         u_int	number = x+1;
	 u_int	j;
         for (j=x; j<count; j++) {
	    msg = (ImapMsgC*)(*msgList)[j];
	    msg->SetNumber(number);
	    number++;
         } // End for each message
      }

      else if ( resp.StartsWith("BYE ", IGNORE_CASE) ) {
         return False;
      }

      else if ( !resp.StartsWith("OK", IGNORE_CASE) ) {
	 server->Unexpected(resp);
      }

   } // End for each reply

   // Did at least one expunge, update display
   if (numExpunges) {
      if ( ishApp->undelWin )
	 ishApp->undelWin->Clear();

      //
      // Update display
      //
      if ( active && !ishApp->exiting ) {
	 if ( SortMgr()->Threaded() )
	    ishApp->mainWin->MsgVBox().Sort();
         ishApp->mainWin->MsgVBox().Refresh();
      }
    
      updateTitle = True;
      SetChanged(False);
      UpdateIcon();
   }

    if ( msgCount == msgList->size() ) {
	if ( saveFolder.size() > 0 ) {
	    StringListC	output;
	    server->Select(saveFolder, output);
	}
	if (updateTitle)
	   ishApp->mainWin->UpdateTitle();   
	return False;
    }

//
// See if the mailbox grew
//
   if ( msgCount > msgList->size() ) {

      VBoxC&	vbox      = ishApp->mainWin->MsgVBox();
      MsgItemC	*firstNew = NULL;
      MsgItemC	*lastNew  = NULL;

//
// Get message information
//
      fetchNeeded = True;
      for (i=msgList->size(); i<msgCount; i++) {

	 ImapMsgC	*msg = new ImapMsgC(this, server, i+1);
	 msgList->add(msg);

//
// Create a message icon for this message
//
	 if ( active ) {

	    msg->CreateIcon();
	    InsertInThread(msg->icon);

	    msgItemList->add(msg->icon);
	    vbox.AddItem(*msg->icon);

            if ( !firstNew ) firstNew = msg->icon;
	    lastNew = msg->icon;

	 } // End if folder is active

//
// If this is a partial message, process it
//
         if ( msg->IsPartial() ) AddPartial(msg);

      } // End for each new message

      scanned = True;
      server->FetchFlush( fetchTag );

      if ( active ) {

//
// Scroll to the last then the first to display as many new messages
//    as possible
//
	 if ( lastNew && ishApp->appPrefs->scrollToNew ) {
	    vbox.View()->ScrollToItem(*lastNew);
	    vbox.View()->ScrollToItem(*firstNew);
	 }

	 vbox.Refresh();
	 if (updateTitle)
	    ishApp->mainWin->UpdateTitle();   
      }

   } // End if mailbox grew

   newMail = (newCount > 0);
   if ( newMail && !ishApp->exiting ) UpdateIcon();
   if ( saveFolder.size() > 0 ) server->Select(saveFolder, output);

   return newMail;

} // End NewMail

/*------------------------------------------------------------------------
 * Method to copy the specified message into this folder
 */

Boolean
ImapFolderC::AddMessage(MsgC *msg)
{
   if ( !server || !server->authenticated ) return False;

   StringListC	output;

//
// If the source message is in an IMAP folder on the same server, we can use
//    the copy command.
//
   if ( msg->type == IMAP_MSG ) {

      ImapFolderC	*srcFolder = (ImapFolderC*)msg->folder;
      if ( srcFolder->server->name == server->name ) {

//
// Select source folder if necessary
//
	 StringC	saveFolder;
	 if ( server->folder != srcFolder->name ) {
	    saveFolder = server->folder;
	    if ( !server->Select(srcFolder->name, output) ) return False;
	 }

//
// Send COPY command
//
	 if ( !server->Copy(msg->Number(), name, output) ) return False;

	 if ( saveFolder.size() > 0 ) {
	    if ( !server->Select(saveFolder, output) ) return False;
	 }
//
// Make sure the folder's message list is up to date
//
         if (scanned) {
           Rescan();
//
// Make sure the folder is marked as needing to be saved
//
           Changed();
         }

	 return True;

      } // End if message is on same server as this folder

   } // End if adding an IMAP message

//
// We must use the APPEND command for non-IMAP messages or messages that are
//    on a different IMAP server
//
   StringC	data;
   msg->GetHeaderText(data);
   data += '\n';
   msg->GetBodyText(data);

   if ( !server->Append(name, data, output) ) return False;
//
// Make sure the folder's message list is up to date
//
   if (scanned) {
     Rescan();
//
// Make sure the folder is marked as needing to be saved
//
     Changed();
   }

   return True;

} // End AddMessage

/*------------------------------------------------------------------------
 * Method to copy the specified message into this folder
 */

Boolean
ImapFolderC::AddMessage(StringListC& headList, char *bodyFile)
{
   if ( !server || !server->authenticated ) return False;

//
// We must use the APPEND command
//
   StringListC	output;
   if ( !server->Append(name, headList, bodyFile, output) ) {
      StringC	errmsg = "Error while trying to copy message to folder ";
      errmsg += name;
      errmsg += " on IMAP server ";
      errmsg += serverName;
      errmsg += "\n\n";
      int i;
      for (i=0; i<output.size(); i++) {
         errmsg += *output[i];
         errmsg += "\n";
      }
      halApp->PopupMessage(errmsg, XmDIALOG_WARNING);

      return False;
   }
//
// Make sure the folder's message list is up to date
//
   if (scanned) {
     Rescan();
//
// Make sure the folder is marked as needing to be saved
//
     Changed();
   }

   return True;

} // End AddMessage

/*------------------------------------------------------------------------
 * Activate folder on Imap server
 */
 
Boolean
ImapFolderC::Select()
{
   if ( !server || !server->authenticated ) return False;

   StringListC  output;
   if ( !server->Select(name, output) ) {

      StringC	errmsg = "Mail folder: ";
      errmsg += name;
      errmsg += " on IMAP server: ";
      errmsg += serverName;
      errmsg += " could not be selected.";
      halApp->PopupMessage(errmsg, XmDIALOG_WARNING);

      return False;
   }

   return True;

} // End Select