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/*

Miranda NG: the free IM client for Microsoft* Windows*

Copyright 2000-2009 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.

$Id: sendqueue.h 12065 2010-06-25 17:30:24Z silvercircle $

*/

#ifndef __SENDQUEUE_H
#define __SENDQUEUE_H

#define TIMERID_MSGSEND      100
#define TIMERID_TYPE         3
#define TIMERID_AWAYMSG      4
//#define TIMERID_TOOLTIP		 5
#define TIMEOUT_TYPEOFF      10000      // send type off after 10 seconds of inactivity
#define SB_CHAR_WIDTH        45
#define SEND_FLAGS PREF_UNICODE

/*
 * send flags
 */

#define	SENDJOBS_MAX_SENDS 100

struct SendJob {
	HANDLE  hSendId;
	char    *sendBuffer;
	int     dwLen;			// actual buffer length (checked for reallocs()
	int		iSendLength;	// length of message in utf-8 octets (used to check maxlen)
	int     sendCount;
	HANDLE  hOwner;
	HWND    hwndOwner;
	unsigned int iStatus;
	TCHAR   szErrorMsg[128];
	DWORD   dwFlags;
	int     iAcksNeeded;
	HANDLE  hEventSplit;
	int     chunkSize;
	DWORD   dwTime;
};

class SendQueue {
public:
	enum {
			NR_SENDJOBS = 30,
			SQ_ERROR = 2,
			SQ_INPROGRESS = 1,
			SQ_UNDEFINED = 0
		 };

	SendQueue()
	{
		ZeroMemory(m_jobs, (sizeof(SendJob) * NR_SENDJOBS));
		m_currentIndex = 0;
	}

	void	inc() { m_currentIndex++; }
	void	dec() { m_currentIndex--; }

	~SendQueue()
	{
		for (int i = 0; i < NR_SENDJOBS; i++) {
			if (m_jobs[i].sendBuffer)
				free(m_jobs[i].sendBuffer);
		}
	}

	SendJob *getJobByIndex(const int index) { return(&m_jobs[index]); }

	void 	clearJob					(const int index);
	int 	findNextFailed				(const TWindowData *dat) const;
	void 	handleError					(TWindowData *dat, const int iEntry) const;
	int 	addTo						(TWindowData *dat, const int iLen, int dwFlags);
	int 	sendQueued					(TWindowData *dat, const int iEntry);
	int		getSendLength				(const int iEntry, const int sendMode);
	void 	checkQueue 		 			(const TWindowData *dat) const;
	void 	logError					(const TWindowData *dat, int iSendJobIndex,
										 const TCHAR *szErrMsg) const;
	void 	recallFailed				(const TWindowData *dat, int iEntry) const;
	void 	showErrorControls			(TWindowData *dat, const int showCmd) const;
	int 	ackMessage					(TWindowData *dat, WPARAM wParam, LPARAM lParam);
	int		doSendLater					(int iIndex, TWindowData *dat, HANDLE hContact = 0, bool fIsSendLater = true);
	/*
	 * static members
	 */
	static	int TSAPI RTL_Detect				(const wchar_t *pszwText);
	static	char* TSAPI MsgServiceName			(const HANDLE hContact, const TWindowData *dat, int isUnicode);
	static  int   TSAPI GetProtoIconFromList	(const char *szProto, int iStatus);
	static  LRESULT TSAPI WarnPendingJobs		(unsigned int uNrMessages);
	static	void  TSAPI NotifyDeliveryFailure	(const TWindowData *dat);
	static	void  TSAPI UpdateSaveAndSendButton	(TWindowData *dat);
	static	void  TSAPI EnableSending			(const TWindowData *dat, const int iMode);
private:
	SendJob		m_jobs[NR_SENDJOBS];
	int			m_currentIndex;
};

extern SendQueue *sendQueue;

int  TSAPI ActivateExistingTab	(TContainerData *pContainer, HWND hwndChild);
void TSAPI ShowMultipleControls	(const HWND hwndDlg, const UINT * controls, int cControls, int state);
void TSAPI HandleIconFeedback		(TWindowData *dat, HICON iIcon);

#endif /* __SENDQUEUE_H */