gecko-dev/lib/libmsg/listngst.h

140 lines
4.3 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):
*/
#ifndef ListNGSt_H
#define ListNGSt_H
class MSG_Master;
class NewsGroupDB;
class MessageDBView;
class msg_NewsArtSet;
#include "msg.h"
#include "chngntfy.h"
#include "idarray.h"
/* The below is all stuff that we remember for libnet about which
articles we've already seen in the current newsgroup. */
typedef struct MSG_NewsKnown {
MSG_NewsHost* host;
char* group_name;
msg_NewsArtSet* set; /* Set of articles we've already gotten
from the newsserver (if it's marked
"read", then we've already gotten it).
If an article is marked "read", it
doesn't mean we're actually displaying
it; it may be an article that no longer
exists, or it may be one that we've
marked read and we're only viewing
unread messages. */
int32 first_possible; /* The oldest article in this group. */
int32 last_possible; /* The newest article in this group. */
XP_Bool shouldGetOldest;
} MSG_NewsKnown;
// This class should ultimately be part of a news group listing
// state machine - either by inheritance or delegation.
// Currently, a folder pane owns one and libnet news group listing
// related messages get passed to this object.
class ListNewsGroupState : public ChangeListener
{
public:
ListNewsGroupState(const char *url, const char *groupName, MSG_Pane *pane);
~ListNewsGroupState();
int GetRangeOfArtsToDownload(MSG_NewsHost* host,
const char* group_name,
int32 first_possible,
int32 last_possible,
int32 maxextra,
int32* first,
int32* lastprotected);
int AddToKnownArticles(MSG_NewsHost* host,
const char* group_name,
int32 first, int32 last);
int InitXOVER(MSG_NewsHost* host,
const char *group_name,
uint32 first_msg, uint32 last_msg,
uint32 oldest_msg, uint32 youngest_msg);
int ProcessXOVER(char *line);
int ResetXOVER();
int ProcessNonXOVER(char *line);
int FinishXOVER (int status);
MSG_Master *GetMaster() {return m_master;}
void SetMaster(MSG_Master *master) {m_master = master;}
void SetView(MessageDBView *view);
void SetPane(MSG_Pane *pane) {m_pane = pane;}
MSG_NewsHost* GetHost() {return m_host;}
const char * GetGroupName() {return m_groupName;}
const char * GetURL() {return m_url;}
virtual void OnAnnouncerGoingAway (ChangeAnnouncer *instigator);
void SetGetOldMessages(XP_Bool getOldMessages) {m_getOldMessages = getOldMessages;}
XP_Bool GetGetOldMessages() {return m_getOldMessages;}
protected:
NewsGroupDB *m_newsDB;
MessageDBView *m_msgDBView; // open view on current download, if any
MSG_Pane *m_pane;
XP_Bool m_startedUpdate;
XP_Bool m_getOldMessages;
XP_Bool m_promptedAlready;
XP_Bool m_downloadAll;
int32 m_maxArticles;
char *m_groupName;
MSG_NewsHost *m_host;
char *m_url; // url we're retrieving
MSG_Master *m_master;
MessageKey m_lastProcessedNumber;
MessageKey m_firstMsgNumber;
MessageKey m_lastMsgNumber;
struct MSG_NewsKnown m_knownArts;
msg_NewsArtSet *m_set;
};
class ListNewsGroupArticleKeysState : public ChangeListener
{
public:
ListNewsGroupArticleKeysState(MSG_NewsHost *host, const char *groupName, MSG_Pane *pane);
~ListNewsGroupArticleKeysState();
int AddArticleKey(int32 key);
int FinishAddingArticleKeys();
protected:
struct MSG_NewsKnown m_idsOnServer;
MSG_Pane *m_pane;
const char * m_groupName;
MSG_NewsHost *m_host;
NewsGroupDB *m_newsDB;
IDArray m_idsInDB;
#ifdef DEBUG_bienvenu
IDArray m_idsDeleted;
#endif
int32 m_dbIndex;
MessageKey m_highwater;
};
#endif