gecko-dev/mailnews/base/util/nsMsgUtils.cpp
1999-04-29 01:37:40 +00:00

159 lines
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1999 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsMsgUtils.h"
#include "nsString.h"
#include "nsFileSpec.h"
#include "nsIServiceManager.h"
#include "nsCOMPtr.h"
nsresult GetMessageServiceProgIDForURI(const char *uri, nsString &progID)
{
nsresult rv = NS_OK;
//Find protocol
nsString uriStr = uri;
PRInt32 pos = uriStr.Find(':');
if(pos == -1)
return NS_ERROR_FAILURE;
nsString protocol;
uriStr.Left(protocol, pos);
//Build message service progid
progID = "component://netscape/messenger/messageservice;type=";
progID += protocol;
return rv;
}
nsresult GetMessageServiceFromURI(const char *uri, nsIMsgMessageService **messageService)
{
nsString progID;
nsresult rv;
rv = GetMessageServiceProgIDForURI(uri, progID);
nsAutoCString progIDStr(progID);
if(NS_SUCCEEDED(rv))
{
rv = nsServiceManager::GetService((const char*)progIDStr, nsIMsgMessageService::GetIID(),
(nsISupports**)messageService, nsnull);
}
return rv;
}
nsresult ReleaseMessageServiceFromURI(const char *uri, nsIMsgMessageService *messageService)
{
nsString progID;
nsresult rv;
rv = GetMessageServiceProgIDForURI(uri, progID);
if(NS_SUCCEEDED(rv))
{
nsAutoCString progIDStr(progID);
rv = nsServiceManager::ReleaseService((const char*)progIDStr, messageService);
}
return rv;
}
NS_IMPL_ISUPPORTS(nsMessageFromMsgHdrEnumerator, nsIEnumerator::GetIID())
nsMessageFromMsgHdrEnumerator::nsMessageFromMsgHdrEnumerator(nsIEnumerator *srcEnumerator,
nsIMsgFolder *folder)
{
NS_INIT_REFCNT();
mSrcEnumerator = srcEnumerator;
if(mSrcEnumerator)
NS_ADDREF(mSrcEnumerator);
mFolder = folder;
if(mFolder)
NS_ADDREF(mFolder);
}
nsMessageFromMsgHdrEnumerator::~nsMessageFromMsgHdrEnumerator()
{
NS_IF_RELEASE(mSrcEnumerator);
NS_IF_RELEASE(mFolder);
}
NS_IMETHODIMP nsMessageFromMsgHdrEnumerator::First(void)
{
return mSrcEnumerator->First();
}
NS_IMETHODIMP nsMessageFromMsgHdrEnumerator::Next(void)
{
return mSrcEnumerator->Next();
}
NS_IMETHODIMP nsMessageFromMsgHdrEnumerator::CurrentItem(nsISupports **aItem)
{
nsCOMPtr<nsISupports> currentItem;
nsCOMPtr<nsIMsgDBHdr> msgDBHdr;
nsCOMPtr<nsIMessage> message;
nsresult rv;
rv = mSrcEnumerator->CurrentItem(getter_AddRefs(currentItem));
if(NS_SUCCEEDED(rv))
{
msgDBHdr = do_QueryInterface(currentItem, &rv);
}
if(NS_SUCCEEDED(rv))
{
rv = mFolder->CreateMessageFromMsgDBHdr(msgDBHdr, getter_AddRefs(message));
}
if(NS_SUCCEEDED(rv))
{
*aItem = message;
NS_ADDREF(*aItem);
}
return rv;
}
NS_IMETHODIMP nsMessageFromMsgHdrEnumerator::IsDone(void)
{
return mSrcEnumerator->IsDone();
}
nsresult NS_NewMessageFromMsgHdrEnumerator(nsIEnumerator *srcEnumerator,
nsIMsgFolder *folder,
nsMessageFromMsgHdrEnumerator **messageEnumerator)
{
if(!messageEnumerator)
return NS_ERROR_NULL_POINTER;
*messageEnumerator = new nsMessageFromMsgHdrEnumerator(srcEnumerator, folder);
if(!messageEnumerator)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(*messageEnumerator);
return NS_OK;
}