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lightning-sunbird  0.9+nobinonly
nsMsgFolderNotificationService.cpp
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 2006
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   David Bienvenu <bienvenu@mozilla.org>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
00030  * under the terms of either the GPL or the LGPL, and not to allow others to
00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #include "msgCore.h"
00040 #include "nsMsgFolderNotificationService.h"
00041 
00042 
00043 //
00044 //  nsMsgFolderNotificationService
00045 //
00046 NS_IMPL_ISUPPORTS1(nsMsgFolderNotificationService, nsIMsgFolderNotificationService)
00047 
00048 nsMsgFolderNotificationService::nsMsgFolderNotificationService()
00049 {
00050 }
00051 
00052 nsMsgFolderNotificationService::~nsMsgFolderNotificationService()
00053 {
00054   /* destructor code */
00055 }
00056 
00057 NS_IMETHODIMP nsMsgFolderNotificationService::GetHasListeners(PRBool *aHasListeners)
00058 {
00059   NS_ENSURE_ARG_POINTER(aHasListeners);
00060   *aHasListeners = m_listeners.Count() > 0;
00061   return NS_OK;
00062 }
00063 
00064 
00065 /* void addListener (in nsIMsgFolderListener aListener); */
00066 NS_IMETHODIMP nsMsgFolderNotificationService::AddListener(nsIMsgFolderListener *aListener)
00067 {
00068   return m_listeners.AppendObject(aListener);
00069 }
00070 
00071 /* void removeListener (in nsIMsgFolderListener aListener); */
00072 NS_IMETHODIMP nsMsgFolderNotificationService::RemoveListener(nsIMsgFolderListener *aListener)
00073 {
00074   PRInt32 index = m_listeners.IndexOf(aListener);
00075   NS_ASSERTION(index >= 0, "removing non-existent listener");
00076   if (index >= 0)
00077   {
00078     m_listeners.RemoveObjectAt(index);
00079   }
00080   return NS_OK;
00081 }
00082 
00083 /* void notifItemAdded (in nsISupports aItem); */
00084 NS_IMETHODIMP nsMsgFolderNotificationService::NotifyItemAdded(nsISupports *aItem)
00085 {
00086   PRInt32 count = m_listeners.Count();
00087   
00088   for(PRInt32 i = 0; i < count; i++)
00089   {
00090     nsCOMPtr<nsIMsgFolderListener> listener = m_listeners[i];
00091     NS_ASSERTION(listener, "listener is null");
00092     if (!listener) 
00093       return NS_ERROR_FAILURE;
00094     listener->ItemAdded(aItem);
00095   }
00096   
00097   return NS_OK;
00098 }
00099 
00100 /* void notifyItemDeleted (in nsISupports aItem); */
00101 NS_IMETHODIMP nsMsgFolderNotificationService::NotifyItemDeleted(nsISupports *aItem)
00102 {
00103   PRInt32 count = m_listeners.Count();
00104   
00105   for(PRInt32 i = 0; i < count; i++)
00106   {
00107     nsCOMPtr<nsIMsgFolderListener> listener = m_listeners[i];
00108     NS_ASSERTION(listener, "listener is null");
00109     if (!listener) 
00110       return NS_ERROR_FAILURE;
00111     listener->ItemDeleted(aItem);
00112   }
00113   
00114   return NS_OK;
00115 }
00116 
00117 /* void notifyItemMoveCopyCompleted (in boolean aMove, in nsISupportsArray aSrcItems, in nsIMsgFolder aDestFolder); */
00118 NS_IMETHODIMP nsMsgFolderNotificationService::NotifyItemMoveCopyCompleted(PRBool aMove, nsISupportsArray *aSrcItems, nsIMsgFolder *aDestFolder)
00119 {
00120   PRInt32 count = m_listeners.Count();
00121   
00122   for(PRInt32 i = 0; i < count; i++)
00123   {
00124     nsCOMPtr<nsIMsgFolderListener> listener = m_listeners[i];
00125     NS_ASSERTION(listener, "listener is null");
00126     if (!listener) 
00127       return NS_ERROR_FAILURE;
00128     listener->ItemMoveCopyCompleted(aMove, aSrcItems, aDestFolder);
00129   }
00130   
00131   return NS_OK;
00132 }
00133 
00134 /* void notifyFolderRenamed (in nsIMsgFolder aOrigFolder, in nsIMsgFolder aNewFolder); */
00135 NS_IMETHODIMP nsMsgFolderNotificationService::NotifyFolderRenamed(nsIMsgFolder *aOrigFolder, nsIMsgFolder *aNewFolder)
00136 {
00137   return NS_ERROR_NOT_IMPLEMENTED;
00138 }
00139 
00140 /* void notifyItemEvent (in nsISupports aItem, in string aEvent, in nsISupports aData); */
00141 NS_IMETHODIMP nsMsgFolderNotificationService::NotifyItemEvent(nsISupports *aItem, const nsACString &aEvent, nsISupports *aData)
00142 {
00143   PRInt32 count = m_listeners.Count();
00144   
00145   for(PRInt32 i = 0; i < count; i++)
00146   {
00147     nsCOMPtr<nsIMsgFolderListener> listener = m_listeners[i];
00148     NS_ASSERTION(listener, "listener is null");
00149     if (!listener) 
00150       return NS_ERROR_FAILURE;
00151     listener->ItemEvent(aItem, aEvent, aData);
00152   }
00153   
00154   return NS_OK;
00155 }