Dactyloidae/mailnews/base/util/nsMsgReadStateTxn.cpp

66 lines
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsMsgReadStateTxn.h"
#include "nsIMutableArray.h"
#include "nsIMsgHdr.h"
#include "nsComponentManagerUtils.h"
nsMsgReadStateTxn::nsMsgReadStateTxn()
{
}
nsMsgReadStateTxn::~nsMsgReadStateTxn()
{
}
nsresult
nsMsgReadStateTxn::Init(nsIMsgFolder *aParentFolder,
uint32_t aNumKeys,
nsMsgKey *aMsgKeyArray)
{
NS_ENSURE_ARG_POINTER(aParentFolder);
mParentFolder = aParentFolder;
mMarkedMessages.AppendElements(aMsgKeyArray, aNumKeys);
return nsMsgTxn::Init();
}
NS_IMETHODIMP
nsMsgReadStateTxn::UndoTransaction()
{
return MarkMessages(false);
}
NS_IMETHODIMP
nsMsgReadStateTxn::RedoTransaction()
{
return MarkMessages(true);
}
NS_IMETHODIMP
nsMsgReadStateTxn::MarkMessages(bool aAsRead)
{
nsresult rv;
nsCOMPtr<nsIMutableArray> messageArray =
do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
NS_ENSURE_SUCCESS(rv, rv);
uint32_t length = mMarkedMessages.Length();
for (uint32_t i = 0; i < length; i++) {
nsCOMPtr<nsIMsgDBHdr> curMsgHdr;
rv = mParentFolder->GetMessageHeader(mMarkedMessages[i],
getter_AddRefs(curMsgHdr));
if (NS_SUCCEEDED(rv) && curMsgHdr) {
messageArray->AppendElement(curMsgHdr, false);
}
}
return mParentFolder->MarkMessagesRead(messageArray, aAsRead);
}