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/*
 * astyle --force-indent=tab=4 --brackets=linux --indent-switches
 *		  --pad=oper --one-line=keep-blocks  --unpad=paren
 *
 * Miranda NG: the free IM client for Microsoft* Windows*
 *
 * Copyright (c) 2000-09 Miranda ICQ/IM project,
 * all portions of this codebase are copyrighted to the people
 * listed in contributors.txt.
 *
 * 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.
 *
 * part of tabSRMM messaging plugin for Miranda.
 *
 * (C) 2005-2009 by silvercircle _at_ gmail _dot_ com and contributors
 *
 * the contact cache
 *
 */

#ifndef __CONTACTCACHE_H
#define __CONTACTCACHE_H

#define C_INVALID_PROTO "<proto error>"
#define C_INVALID_ACCOUNT _T("<account error>")
#define C_INVALID_PROTO_T _T("<proto error>")
#define HISTORY_INITIAL_ALLOCSIZE 300


struct TInputHistory {
	TCHAR*	szText;
	size_t	lLen;
};

struct TSessionStats {
	enum {
		BYTES_RECEIVED = 1,
		BYTES_SENT = 2,
		FAILURE = 3,
		UPDATE_WITH_LAST_RCV = 4,
		SET_LAST_RCV = 5,
		INIT_TIMER = 6,
	};

	time_t   started;
	unsigned iSent, iReceived, iSentBytes, iReceivedBytes;
	unsigned messageCount;
	unsigned iFailures;
	unsigned lastReceivedChars;
	BOOL     bWritten;
};

struct CContactCache : public MZeroedObject
{
	CContactCache() {}
	CContactCache(const HANDLE hContact);
	~CContactCache()
	{
		releaseAlloced();
	}

	const bool   isValid() const { return(m_Valid); }
	const WORD   getStatus() const { return(m_wStatus); }
	const WORD   getMetaStatus() const { return(m_wMetaStatus); }
	const WORD   getActiveStatus() const { return(m_isMeta ? m_wMetaStatus : m_wStatus); }
	const WORD   getOldStatus() const { return(m_wOldStatus); }
	const TCHAR* getNick() const { return(m_szNick); }
	const HANDLE getContact() const { return(m_hContact); }
	const HANDLE getActiveContact() const { return(m_isMeta ? (m_hSubContact ? m_hSubContact : m_hContact) : m_hContact); }
	const DWORD  getIdleTS() const { return(m_idleTS); }
	const char*  getProto() const { return(m_szProto); }
	const TCHAR* getProtoT() const { return(m_tszProto); }
	const char*  getMetaProto() const { return(m_szMetaProto ? m_szMetaProto : C_INVALID_PROTO); }
	const TCHAR* getMetaProtoT() const { return(m_szMetaProto ? m_tszMetaProto : C_INVALID_PROTO_T); }
	const char*  getActiveProto() const { return(m_isMeta ? (m_szMetaProto ? m_szMetaProto : m_szProto) : m_szProto); }
	const TCHAR* getActiveProtoT() const { return(m_isMeta ? (m_szMetaProto ? m_tszMetaProto : m_tszProto) : m_tszProto); }
	bool         isMeta() const { return(m_isMeta); }
	bool         isSubContact() const { return(m_isSubcontact); }
	bool         isFavorite() const { return(m_isFavorite); }
	bool         isRecent() const { return(m_isRecent); }
	const TCHAR* getRealAccount() const { return(m_szAccount ? m_szAccount : C_INVALID_ACCOUNT); }
	const TCHAR* getUIN() const { return(m_szUIN); }
	const TCHAR* getStatusMsg() const { return(m_szStatusMsg); }
	const TCHAR* getXStatusMsg() const { return(m_xStatusMsg); }
	const TCHAR* getListeningInfo() const { return(m_ListeningInfo); }
	BYTE         getXStatusId() const { return(m_xStatus); }
	const HWND   getWindowData(TWindowData*& dat) const { dat = m_dat; return(m_hwnd); }
	const HWND   getHwnd() const { return(m_hwnd); }
	int          getMaxMessageLength();
					 
	TWindowData* getDat() const { return(m_dat); }

	void         updateStats(int iType, size_t value = 0);
	const DWORD  getSessionStart() const { return(m_stats->started); }
	const int    getSessionMsgCount() const { return((int)m_stats->messageCount) ; }

	////////////////////////////////////////////////////////////////////////////

	void   updateState();
	bool   updateStatus();
	bool   updateNick();
	void   updateMeta(bool fForce = false);
	bool   updateUIN();
	void   updateStatusMsg(const char *szKey = 0);
	void   setWindowData(const HWND hwnd = 0, TWindowData *dat = 0);
	void   resetMeta();
	void   closeWindow();
	void   deletedHandler();
	void   updateFavorite();
	TCHAR* getNormalizedStatusMsg(const TCHAR *src, bool fStripAll = false);
	HICON  getIcon(int& iSize) const;

	/*
	 * input history
	 */
	void   saveHistory(WPARAM wParam, LPARAM lParam);
	void   inputHistoryEvent(WPARAM wParam);

	static CContactCache* getContactCache(HANDLE hContact);
	static void cacheUpdateMetaChanged();

private:
	void   allocStats();
	void   initPhaseTwo();
	void   allocHistory();
	void   releaseAlloced();

	HANDLE m_hContact;
	HANDLE m_hSubContact;
	WORD   m_wStatus, m_wMetaStatus;
	WORD   m_wOldStatus;
	char*  m_szProto, *m_szMetaProto;
	TCHAR* m_tszProto, m_tszMetaProto[40];
	TCHAR* m_szAccount;
	TCHAR  m_szNick[80], m_szUIN[80];
	TCHAR* m_szStatusMsg, *m_xStatusMsg, *m_ListeningInfo;
	BYTE   m_xStatus;
	DWORD  m_idleTS;
	bool   m_isMeta, m_isSubcontact;
	bool   m_Valid;
	bool   m_isFavorite;
	bool   m_isRecent;
	HWND   m_hwnd;
	int    m_nMax;
	int    m_iHistoryCurrent, m_iHistoryTop, m_iHistorySize;

	TWindowData *m_dat;
	TSessionStats *m_stats;
	TInputHistory *m_history;
};

#endif /* __CONTACTCACHE_H */