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/*
Jabber Protocol Plugin for Miranda IM
Copyright (C) 2002-04 Santithorn Bunchua
Copyright (C) 2005-08 George Hazan
Copyright (C) 2007 Maxim Mluhov
Copyright (C) 2008-09 Dmitriy Chervov
Copyright (C) 2012-13 Miranda NG project
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _JABBER_PRESENCE_MANAGER_H_
#define _JABBER_PRESENCE_MANAGER_H_
#include "jabber_xml.h"
struct CJabberProto;
typedef void (CJabberProto::*JABBER_PRESENCE_PFUNC)(HXML node, void *usedata);
typedef void (*PRESENCE_USER_DATA_FREE_FUNC)(void *pUserData);
class CJabberPresenceInfo;
typedef BOOL (CJabberProto::*JABBER_PRESENCE_HANDLER)(HXML node, ThreadData *pThreadData, CJabberPresenceInfo* pInfo);
class CJabberPresenceInfo
{
protected:
friend class CJabberPresenceManager;
JABBER_PRESENCE_HANDLER m_pHandler;
CJabberPresenceInfo* m_pNext;
public:
void *m_pUserData;
CJabberPresenceInfo()
{
ZeroMemory(this, sizeof(*this));
}
~CJabberPresenceInfo()
{
}
void* GetUserData()
{
return m_pUserData;
}
};
class CJabberPresencePermanentInfo
{
friend class CJabberPresenceManager;
CJabberPresencePermanentInfo* m_pNext;
JABBER_PRESENCE_HANDLER m_pHandler;
void *m_pUserData;
PRESENCE_USER_DATA_FREE_FUNC m_pUserDataFree;
int m_iPriority;
public:
CJabberPresencePermanentInfo()
{
ZeroMemory(this, sizeof(CJabberPresencePermanentInfo));
}
~CJabberPresencePermanentInfo()
{
if (m_pUserDataFree)
m_pUserDataFree(m_pUserData);
}
};
class CJabberPresenceManager
{
protected:
CJabberProto *ppro;
CRITICAL_SECTION m_cs;
CJabberPresencePermanentInfo* m_pPermanentHandlers;
public:
CJabberPresenceManager(CJabberProto* proto)
{
InitializeCriticalSection(&m_cs);
m_pPermanentHandlers = NULL;
ppro = proto;
}
~CJabberPresenceManager()
{
Lock();
CJabberPresencePermanentInfo *pInfo = m_pPermanentHandlers;
while (pInfo)
{
CJabberPresencePermanentInfo *pTmp = pInfo->m_pNext;
delete pInfo;
pInfo = pTmp;
}
m_pPermanentHandlers = NULL;
Unlock();
DeleteCriticalSection(&m_cs);
}
BOOL Start()
{
return TRUE;
}
BOOL Shutdown()
{
return TRUE;
}
void Lock()
{
EnterCriticalSection(&m_cs);
}
void Unlock()
{
LeaveCriticalSection(&m_cs);
}
CJabberPresencePermanentInfo* AddPermanentHandler(JABBER_PRESENCE_HANDLER pHandler, void *pUserData = NULL, PRESENCE_USER_DATA_FREE_FUNC pUserDataFree = NULL, int iPriority = JH_PRIORITY_DEFAULT)
{
CJabberPresencePermanentInfo* pInfo = new CJabberPresencePermanentInfo();
if ( !pInfo)
return NULL;
pInfo->m_pHandler = pHandler;
pInfo->m_pUserData = pUserData;
pInfo->m_pUserDataFree = pUserDataFree;
pInfo->m_iPriority = iPriority;
Lock();
if ( !m_pPermanentHandlers)
m_pPermanentHandlers = pInfo;
else
{
if (m_pPermanentHandlers->m_iPriority > pInfo->m_iPriority) {
pInfo->m_pNext = m_pPermanentHandlers;
m_pPermanentHandlers = pInfo;
} else
{
CJabberPresencePermanentInfo* pTmp = m_pPermanentHandlers;
while (pTmp->m_pNext && pTmp->m_pNext->m_iPriority <= pInfo->m_iPriority)
pTmp = pTmp->m_pNext;
pInfo->m_pNext = pTmp->m_pNext;
pTmp->m_pNext = pInfo;
}
}
Unlock();
return pInfo;
}
BOOL DeletePermanentHandler(CJabberPresencePermanentInfo *pInfo)
{ // returns TRUE when pInfo found, or FALSE otherwise
Lock();
if ( !m_pPermanentHandlers)
{
Unlock();
return FALSE;
}
if (m_pPermanentHandlers == pInfo) // check first item
{
m_pPermanentHandlers = m_pPermanentHandlers->m_pNext;
delete pInfo;
Unlock();
return TRUE;
} else
{
CJabberPresencePermanentInfo* pTmp = m_pPermanentHandlers;
while (pTmp->m_pNext)
{
if (pTmp->m_pNext == pInfo)
{
pTmp->m_pNext = pTmp->m_pNext->m_pNext;
delete pInfo;
Unlock();
return TRUE;
}
pTmp = pTmp->m_pNext;
}
}
Unlock();
return FALSE;
}
BOOL HandlePresencePermanent(HXML node, ThreadData *pThreadData);
BOOL FillPermanentHandlers();
};
#endif
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