зеркало из https://github.com/mozilla/gecko-dev.git
90 строки
2.4 KiB
C++
90 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
#include "msg.h"
|
|
#include "msgoffnw.h"
|
|
#include "msgpane.h"
|
|
#include "msgfinfo.h"
|
|
#include "newsdb.h"
|
|
#include "newshdr.h"
|
|
|
|
extern "C"
|
|
{
|
|
extern int MK_NEWS_ITEM_UNAVAILABLE;
|
|
}
|
|
|
|
MSG_OfflineNewsArtState::MSG_OfflineNewsArtState(MSG_Pane *pane,
|
|
const char * /*group*/,
|
|
uint32 messageNumber)
|
|
{
|
|
m_pane = pane;
|
|
m_bytesReadSoFar = 0;
|
|
if (!pane->GetFolder() || !pane->GetFolder()->IsNews())
|
|
return ;
|
|
|
|
MessageDBView *view = pane->GetMsgView();
|
|
if (!view)
|
|
return ;
|
|
m_newsDB = view->GetDB()->GetNewsDB();
|
|
if (m_newsDB)
|
|
{
|
|
m_newsHeader = m_newsDB->GetNewsHdrForKey(messageNumber);
|
|
m_articleLength = (m_newsHeader) ? m_newsHeader->GetOfflineMessageLength(m_newsDB->GetDB()) : 0;
|
|
}
|
|
else
|
|
m_newsHeader = NULL;
|
|
}
|
|
|
|
MSG_OfflineNewsArtState::~MSG_OfflineNewsArtState()
|
|
{
|
|
delete m_newsHeader;
|
|
}
|
|
|
|
// Returns negative error codes for errors, 0 for done, positive number
|
|
// for number of bytes read.
|
|
int MSG_OfflineNewsArtState::Process(char *outputBuffer, int outputBufSize)
|
|
{
|
|
int32 bytesRead;
|
|
|
|
if (!m_newsHeader)
|
|
return MK_NEWS_ITEM_UNAVAILABLE;
|
|
if (m_bytesReadSoFar >= m_articleLength)
|
|
{
|
|
// m_newsHeader->OrFlags(kOffline); // eh? we're pulling it out of the db - no need to change flag
|
|
return 0;
|
|
}
|
|
int bytesToCopy = MIN(outputBufSize, m_articleLength - m_bytesReadSoFar);
|
|
bytesRead = m_newsHeader->ReadFromArticle(outputBuffer, bytesToCopy, m_bytesReadSoFar, m_newsDB->GetDB());
|
|
|
|
m_bytesReadSoFar += bytesRead;
|
|
return bytesRead;
|
|
}
|
|
|
|
int MSG_OfflineNewsArtState::Interrupt()
|
|
{
|
|
if (m_newsHeader != NULL)
|
|
{
|
|
delete m_newsHeader;
|
|
m_newsHeader = NULL;
|
|
}
|
|
return 0;
|
|
}
|