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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 "msgCore.h" // precompiled header...
#include "nsCOMPtr.h"
#include "nsNNTPArticleList.h"
#include "nsIMsgFolder.h"
#include "nsAutoPtr.h"
#include "nsMsgKeyArray.h"
NS_IMPL_ISUPPORTS(nsNNTPArticleList, nsINNTPArticleList)
nsNNTPArticleList::nsNNTPArticleList()
{
}
nsNNTPArticleList::~nsNNTPArticleList()
{
if (m_newsDB) {
m_newsDB->Commit(nsMsgDBCommitType::kSessionCommit);
m_newsDB->Close(true);
m_newsDB = nullptr;
}
m_newsFolder = nullptr;
}
NS_IMETHODIMP
nsNNTPArticleList::Initialize(nsIMsgNewsFolder *newsFolder)
{
nsresult rv;
NS_ENSURE_ARG_POINTER(newsFolder);
m_dbIndex = 0;
m_newsFolder = newsFolder;
nsCOMPtr <nsIMsgFolder> folder = do_QueryInterface(m_newsFolder, &rv);
NS_ENSURE_SUCCESS(rv,rv);
rv = folder->GetMsgDatabase(getter_AddRefs(m_newsDB));
NS_ENSURE_SUCCESS(rv,rv);
if (!m_newsDB) return NS_ERROR_UNEXPECTED;
RefPtr<nsMsgKeyArray> keys = new nsMsgKeyArray;
rv = m_newsDB->ListAllKeys(keys);
NS_ENSURE_SUCCESS(rv,rv);
keys->Sort();
m_idsInDB.AppendElements(keys->m_keys);
return NS_OK;
}
NS_IMETHODIMP
nsNNTPArticleList::AddArticleKey(nsMsgKey key)
{
#ifdef DEBUG
m_idsOnServer.AppendElement(key);
#endif
if (m_dbIndex < m_idsInDB.Length())
{
nsMsgKey idInDBToCheck = m_idsInDB[m_dbIndex];
// if there are keys in the database that aren't in the newsgroup
// on the server, remove them. We probably shouldn't do this if
// we have a copy of the article offline.
// We'll add to m_idsDeleted for now and remove the id later
while (idInDBToCheck < key)
{
m_idsDeleted.AppendElement(idInDBToCheck);
if (m_dbIndex >= m_idsInDB.Length())
break;
idInDBToCheck = m_idsInDB[++m_dbIndex];
}
if (idInDBToCheck == key)
m_dbIndex++;
}
return NS_OK;
}
NS_IMETHODIMP
nsNNTPArticleList::FinishAddingArticleKeys()
{
// if the last n messages in the group are cancelled, they won't have gotten removed
// so we have to go and remove them now.
if (m_dbIndex < m_idsInDB.Length())
m_idsDeleted.AppendElements(&m_idsInDB[m_dbIndex],
m_idsInDB.Length() - m_dbIndex);
if (m_idsDeleted.Length())
m_newsFolder->RemoveMessages(m_idsDeleted);
#ifdef DEBUG
// make sure none of the deleted turned up on the idsOnServer list
for (uint32_t i = 0; i < m_idsDeleted.Length(); i++) {
NS_ASSERTION(!m_idsOnServer.Contains((nsMsgKey)m_idsDeleted[i]),
"a deleted turned up on the idsOnServer list");
}
#endif
return NS_OK;
}
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