////////////////////////////////////////////////////////////////////////////////
// Gadu-Gadu Plugin for Miranda IM
//
// Copyright (c) 2003-2009 Adam Strzelecki <ono+miranda@java.pl>
// Copyright (c) 2009-2012 Bartosz Białek
//
// 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.
////////////////////////////////////////////////////////////////////////////////

#include "gg.h"

GaduProto::GaduProto(const char *pszProtoName, const wchar_t *tszUserName) :
	PROTO<GaduProto>(pszProtoName, tszUserName),
	avatar_requests(1, NumericKeySortT),
	avatar_transfers(1, NumericKeySortT),

	// options
	m_forwardPort(this, "ForwardPort", 1550),
	m_forwardHost(this, "ForwardHost", L""),
	m_serverHosts(this, "ServerHosts", GG_KEYDEF_SERVERHOSTS),
	m_autoRecconect(this, "AReconnect", 0),
	m_useForwarding(this, "Forwarding", 0),
	m_useManualHosts(this, "ManualHost", 1),
	m_showConnectionErrors(this, "ShowCErrors", 0),
	m_useDirectConnections(this, "DirectConns", 1),
	m_directConnectionPort(this, "DirectPort", 1550),
	m_useMsgDeliveryAcknowledge(this, "MessageAck", 1)
{
#ifdef DEBUGMODE
	extendedLogging = 0;
#endif

	// Init mutexes
	InitializeCriticalSection(&sess_mutex);
	InitializeCriticalSection(&ft_mutex);
	InitializeCriticalSection(&img_mutex);
	InitializeCriticalSection(&modemsg_mutex);
	InitializeCriticalSection(&avatar_mutex);
	InitializeCriticalSection(&sessions_mutex);

	// Register m_hNetlibUser user
	NETLIBUSER nlu = {};
	nlu.flags = NUF_UNICODE | NUF_OUTGOING | NUF_INCOMING | NUF_HTTPCONNS;
	nlu.szSettingsModule = m_szModuleName;
	nlu.szDescriptiveName.w = m_tszUserName;

	m_hNetlibUser = Netlib_RegisterUser(&nlu);

	// Register services
	CreateProtoService(PS_GETAVATARCAPS, &GaduProto::getavatarcaps);
	CreateProtoService(PS_GETAVATARINFO, &GaduProto::getavatarinfo);
	CreateProtoService(PS_GETMYAVATAR, &GaduProto::getmyavatar);
	CreateProtoService(PS_SETMYAVATAR, &GaduProto::setmyavatar);

	CreateProtoService(PS_GETMYAWAYMSG, &GaduProto::getmyawaymsg);

	CreateProtoService(PS_LEAVECHAT, &GaduProto::leavechat);

	HookProtoEvent(ME_DB_CONTACT_SETTINGCHANGED, &GaduProto::dbsettingchanged);
	HookProtoEvent(ME_OPT_INITIALISE, &GaduProto::options_init);

	// Offline contacts and clear logon time
	setalloffline();
	setDword(GG_KEY_LOGONTIME, 0);

	db_set_resident(m_szModuleName, GG_KEY_AVATARREQUESTED);

	wchar_t szPath[MAX_PATH];
	mir_snwprintf(szPath, L"%s\\%s\\ImageCache", (wchar_t*)VARSW(L"%miranda_userdata%"), m_tszUserName);
	hImagesFolder = FoldersRegisterCustomPathW(LPGEN("Images"), m_szModuleName, szPath, m_tszUserName);

	uint32_t pluginVersion = getDword(GG_PLUGINVERSION, 0);
	if (pluginVersion < pluginInfoEx.version)
		cleanuplastplugin(pluginVersion);

	gc_init();
	links_instance_init();

	// Avatars
	CreateDirectoryTreeW(GetAvatarPath());
	initavatarrequestthread();
}

GaduProto::~GaduProto()
{
#ifdef DEBUGMODE
	debugLogA("~GaduProto(): destroying protocol interface");
#endif

	// Destroy modules
	block_uninit();
	img_destroy();
	keepalive_destroy();
	gc_destroy();

	Popup_UnregisterClass(hPopupError);
	Popup_UnregisterClass(hPopupNotify);

	// Destroy mutexes
	DeleteCriticalSection(&sess_mutex);
	DeleteCriticalSection(&ft_mutex);
	DeleteCriticalSection(&img_mutex);
	DeleteCriticalSection(&modemsg_mutex);
	DeleteCriticalSection(&avatar_mutex);
	DeleteCriticalSection(&sessions_mutex);
#ifdef DEBUGMODE
	debugLogA("~GaduProto(): DeleteCriticalSections. OK");
#endif

	// Free status messages
	if (modemsg.online)    mir_free(modemsg.online);
	if (modemsg.away)      mir_free(modemsg.away);
	if (modemsg.dnd)       mir_free(modemsg.dnd);
	if (modemsg.freechat)  mir_free(modemsg.freechat);
	if (modemsg.invisible) mir_free(modemsg.invisible);
	if (modemsg.offline)   mir_free(modemsg.offline);
}

//////////////////////////////////////////////////////////
// when contact is added to list
//
MCONTACT GaduProto::AddToList(int flags, PROTOSEARCHRESULT *pmsr)
{
#ifdef DEBUGMODE
	debugLogA("AddToList(): id=%S", pmsr->id.w);
#endif
	GGSEARCHRESULT *psr = (GGSEARCHRESULT *)pmsr;
	uin_t uin;

	if (psr->cbSize == sizeof(GGSEARCHRESULT))
		uin = psr->uin;
	else
		uin = _wtoi(psr->id.w);

	return getcontact(uin, 1, flags & PALF_TEMPORARY ? 0 : 1, psr->nick.w);
}

//////////////////////////////////////////////////////////
// checks proto capabilities
//
INT_PTR GaduProto::GetCaps(int type, MCONTACT)
{
	switch (type) {
	case PFLAGNUM_1:
		return PF1_IM | PF1_BASICSEARCH | PF1_EXTSEARCH | PF1_EXTSEARCHUI | PF1_SEARCHBYNAME |
			PF1_MODEMSG | PF1_NUMERICUSERID | PF1_FILE;
	case PFLAGNUM_2:
		return PF2_ONLINE | PF2_SHORTAWAY | PF2_HEAVYDND | PF2_FREECHAT | PF2_INVISIBLE |
			PF2_LONGAWAY;
	case PFLAGNUM_3:
		return PF2_ONLINE | PF2_SHORTAWAY | PF2_HEAVYDND | PF2_FREECHAT | PF2_INVISIBLE;
	case PFLAGNUM_4:
		return PF4_NOCUSTOMAUTH | PF4_SUPPORTTYPING | PF4_AVATARS | PF4_IMSENDOFFLINE;
	case PFLAGNUM_5:
		return PF2_LONGAWAY;
	case PFLAG_UNIQUEIDTEXT:
		return (INT_PTR)TranslateT("Gadu-Gadu Number");
	}
	return 0;
}

//////////////////////////////////////////////////////////
// user info request
//

int GaduProto::GetInfo(MCONTACT hContact, int)
{
	gg_pubdir50_t req;

	// Custom contact info
	if (hContact) {
		if (!(req = gg_pubdir50_new(GG_PUBDIR50_SEARCH))) {
#ifdef DEBUGMODE
			debugLogA("GetInfo(): ForkThread 6 GaduProto::cmdgetinfothread");
#endif
			ProtoBroadcastAsync(hContact, ACKTYPE_GETINFO, ACKRESULT_FAILED, (HANDLE)1);
			return 1;
		}

		// Add uin and search it
		gg_pubdir50_add(req, GG_PUBDIR50_UIN, ditoa((uin_t)getDword(hContact, GG_KEY_UIN, 0)));
		gg_pubdir50_seq_set(req, GG_SEQ_INFO);

		debugLogA("GetInfo(): Requesting user info.", req->seq);
		if (isonline()) {
			gg_EnterCriticalSection(&sess_mutex, "GetInfo", 48, "sess_mutex", 1);
			if (!gg_pubdir50(m_sess, req)) {
				gg_LeaveCriticalSection(&sess_mutex, "GetInfo", 48, 1, "sess_mutex", 1);
#ifdef DEBUGMODE
				debugLogA("GetInfo(): ForkThread 7 GaduProto::cmdgetinfothread");
#endif
				ProtoBroadcastAsync(hContact, ACKTYPE_GETINFO, ACKRESULT_FAILED, (HANDLE)1);
				return 1;
			}
			gg_LeaveCriticalSection(&sess_mutex, "GetInfo", 48, 2, "sess_mutex", 1);
		}
	}
	// Own contact info
	else {
		if (!(req = gg_pubdir50_new(GG_PUBDIR50_READ))) {
#ifdef DEBUGMODE
			debugLogA("GetInfo(): ForkThread 8 GaduProto::cmdgetinfothread");
#endif
			ProtoBroadcastAsync(hContact, ACKTYPE_GETINFO, ACKRESULT_FAILED, (HANDLE)1);
			return 1;
		}

		// Add seq
		gg_pubdir50_seq_set(req, GG_SEQ_CHINFO);

		debugLogA("GetInfo(): Requesting owner info.", req->seq);
		if (isonline()) {
			gg_EnterCriticalSection(&sess_mutex, "GetInfo", 49, "sess_mutex", 1);
			if (!gg_pubdir50(m_sess, req)) {
				gg_LeaveCriticalSection(&sess_mutex, "GetInfo", 49, 1, "sess_mutex", 1);
#ifdef DEBUGMODE
				debugLogA("GetInfo(): ForkThread 9 GaduProto::cmdgetinfothread");
#endif
				ProtoBroadcastAsync(hContact, ACKTYPE_GETINFO, ACKRESULT_FAILED, (HANDLE)1);
				gg_pubdir50_free(req);
				return 1;
			}
			gg_LeaveCriticalSection(&sess_mutex, "GetInfo", 49, 2, "sess_mutex", 1);
		}
	}
	debugLogA("GetInfo(): Seq %d.", req->seq);
	gg_pubdir50_free(req);
	return 1;
}

//////////////////////////////////////////////////////////
// when basic search
//
HANDLE GaduProto::SearchBasic(const wchar_t *id)
{
	if (!isonline())
		return nullptr;

	gg_pubdir50_t req = gg_pubdir50_new(GG_PUBDIR50_SEARCH);
	if (!req) {
#ifdef DEBUGMODE
		debugLogA("SearchBasic(): ForkThread 10 GaduProto::searchthread");
#endif
		ProtoBroadcastAsync(NULL, ACKTYPE_SEARCH, ACKRESULT_FAILED, this, 0);
		return this;
	}

	// Add uin and search it
	gg_pubdir50_add(req, GG_PUBDIR50_UIN, T2Utf(id));
	gg_pubdir50_seq_set(req, GG_SEQ_SEARCH);

	gg_EnterCriticalSection(&sess_mutex, "SearchBasic", 50, "sess_mutex", 1);
	if (!gg_pubdir50(m_sess, req)) {
		gg_LeaveCriticalSection(&sess_mutex, "SearchBasic", 50, 1, "sess_mutex", 1);
#ifdef DEBUGMODE
		debugLogA("SearchBasic(): ForkThread 11 GaduProto::searchthread");
#endif
		ProtoBroadcastAsync(NULL, ACKTYPE_SEARCH, ACKRESULT_FAILED, this, 0);
		return this;
	}
	gg_LeaveCriticalSection(&sess_mutex, "SearchBasic", 50, 2, "sess_mutex", 1);
	debugLogA("SearchBasic(): Seq %d.", req->seq);
	gg_pubdir50_free(req);
	return this;
}

//////////////////////////////////////////////////////////
// search by details
//
HANDLE GaduProto::SearchByName(const wchar_t *nick, const wchar_t *firstName, const wchar_t *lastName)
{
	// Check if connected and if there's a search data
	if (!isonline())
		return nullptr;

	if (!nick && !firstName && !lastName)
		return nullptr;

	gg_pubdir50_t req = gg_pubdir50_new(GG_PUBDIR50_SEARCH);
	if (req == nullptr) {
#ifdef DEBUGMODE
		debugLogA("SearchByName(): ForkThread 12 GaduProto::searchthread");
#endif
		ProtoBroadcastAsync(NULL, ACKTYPE_SEARCH, ACKRESULT_FAILED, this);
		return this;
	}

	// Add nick,firstName,lastName and search it
	CMStringA szQuery;
	if (nick) {
		T2Utf nick_utf8(nick);
		gg_pubdir50_add(req, GG_PUBDIR50_NICKNAME, nick_utf8);
		szQuery.Append(nick_utf8);
	}
	szQuery.AppendChar('.');

	if (firstName) {
		T2Utf firstName_utf8(firstName);
		gg_pubdir50_add(req, GG_PUBDIR50_FIRSTNAME, firstName_utf8);
		szQuery.Append(firstName_utf8);
	}
	szQuery.AppendChar('.');

	if (lastName) {
		T2Utf lastName_utf8(lastName);
		gg_pubdir50_add(req, GG_PUBDIR50_LASTNAME, lastName_utf8);
		szQuery.Append(lastName_utf8);
	}
	szQuery.AppendChar('.');

	// Count crc & check if the data was equal if yes do same search with shift
	unsigned long crc = crc_get(szQuery.GetBuffer());
	if (crc == last_crc && next_uin)
		gg_pubdir50_add(req, GG_PUBDIR50_START, ditoa(next_uin));
	else
		last_crc = crc;

	gg_pubdir50_seq_set(req, GG_SEQ_SEARCH);
	gg_EnterCriticalSection(&sess_mutex, "SearchByName", 51, "sess_mutex", 1);
	if (!gg_pubdir50(m_sess, req)) {
		gg_LeaveCriticalSection(&sess_mutex, "SearchByName", 51, 1, "sess_mutex", 1);
#ifdef DEBUGMODE
		debugLogA("SearchByName(): ForkThread 13 GaduProto::searchthread");
#endif
		ProtoBroadcastAsync(NULL, ACKTYPE_SEARCH, ACKRESULT_FAILED, this);
	}
	else
	{
		gg_LeaveCriticalSection(&sess_mutex, "SearchByName", 51, 2, "sess_mutex", 1);
		debugLogA("SearchByName(): Seq %d.", req->seq);
	}
	gg_pubdir50_free(req);

	return this;
}

//////////////////////////////////////////////////////////
// search by advanced

HANDLE GaduProto::SearchAdvanced(HWND hwndDlg)
{
	// Check if connected
	if (!isonline())
		return nullptr;

	gg_pubdir50_t req = gg_pubdir50_new(GG_PUBDIR50_SEARCH);
	if (!req) {
#ifdef DEBUGMODE
		debugLogA("SearchAdvanced(): ForkThread 14 GaduProto::searchthread");
#endif
		ProtoBroadcastAsync(NULL, ACKTYPE_SEARCH, ACKRESULT_FAILED, this);
		return this;
	}

	CMStringA szQuery;

	// Fetch search data
	wchar_t text[64];
	GetDlgItemText(hwndDlg, IDC_FIRSTNAME, text, _countof(text));
	if (mir_wstrlen(text)) {
		T2Utf firstName_utf8(text);
		gg_pubdir50_add(req, GG_PUBDIR50_FIRSTNAME, firstName_utf8);
		szQuery.Append(firstName_utf8);
	}
	/* 1 */ szQuery.AppendChar('.');

	GetDlgItemText(hwndDlg, IDC_LASTNAME, text, _countof(text));
	if (mir_wstrlen(text)) {
		T2Utf lastName_utf8(text);
		gg_pubdir50_add(req, GG_PUBDIR50_LASTNAME, lastName_utf8);
		szQuery.Append(lastName_utf8);
	}
	/* 2 */ szQuery.AppendChar('.');

	GetDlgItemText(hwndDlg, IDC_NICKNAME, text, _countof(text));
	if (mir_wstrlen(text)) {
		T2Utf nickName_utf8(text);
		gg_pubdir50_add(req, GG_PUBDIR50_NICKNAME, nickName_utf8);
		szQuery.Append(nickName_utf8);
	}
	/* 3 */ szQuery.AppendChar('.');

	GetDlgItemText(hwndDlg, IDC_CITY, text, _countof(text));
	if (mir_wstrlen(text)) {
		T2Utf city_utf8(text);
		gg_pubdir50_add(req, GG_PUBDIR50_CITY, city_utf8);
		szQuery.Append(city_utf8);
	}
	/* 4 */ szQuery.AppendChar('.');

	GetDlgItemText(hwndDlg, IDC_AGEFROM, text, _countof(text));
	if (mir_wstrlen(text)) {
		int yearTo = _tstoi(text);
		int yearFrom;
		time_t t = time(0);
		struct tm *lt = localtime(&t);
		int ay = lt->tm_year + 1900;
		char age[16];

		GetDlgItemTextA(hwndDlg, IDC_AGETO, age, _countof(age));
		yearFrom = atoi(age);

		// Count & fix ranges
		if (!yearTo)
			yearTo = ay;
		else
			yearTo = ay - yearTo;
		if (!yearFrom)
			yearFrom = 0;
		else
			yearFrom = ay - yearFrom;
		mir_snwprintf(text, L"%d %d", yearFrom, yearTo);

		T2Utf age_utf8(text);
		gg_pubdir50_add(req, GG_PUBDIR50_BIRTHYEAR, age_utf8);
		szQuery.Append(age_utf8);
	}
	/* 5 */ szQuery.AppendChar('.');

	switch (SendDlgItemMessage(hwndDlg, IDC_GENDER, CB_GETCURSEL, 0, 0)) {
	case 1:
		gg_pubdir50_add(req, GG_PUBDIR50_GENDER, GG_PUBDIR50_GENDER_FEMALE);
		szQuery.Append(GG_PUBDIR50_GENDER_MALE);
		break;
	case 2:
		gg_pubdir50_add(req, GG_PUBDIR50_GENDER, GG_PUBDIR50_GENDER_MALE);
		szQuery.Append(GG_PUBDIR50_GENDER_FEMALE);
		break;
	}
	/* 6 */ szQuery.AppendChar('.');

	if (IsDlgButtonChecked(hwndDlg, IDC_ONLYCONNECTED)) {
		gg_pubdir50_add(req, GG_PUBDIR50_ACTIVE, GG_PUBDIR50_ACTIVE_TRUE);
		szQuery.Append(GG_PUBDIR50_ACTIVE_TRUE);
	}
	/* 7 */ szQuery.AppendChar('.');

	// No data entered
	if (szQuery.GetLength() <= 7 || (szQuery.GetLength() == 8 && IsDlgButtonChecked(hwndDlg, IDC_ONLYCONNECTED))) {
		gg_pubdir50_free(req);
		return nullptr;
	}

	// Count crc & check if the data was equal if yes do same search with shift
	unsigned long crc = crc_get(szQuery.GetBuffer());

	if (crc == last_crc && next_uin)
		gg_pubdir50_add(req, GG_PUBDIR50_START, ditoa(next_uin));
	else
		last_crc = crc;

	gg_pubdir50_seq_set(req, GG_SEQ_SEARCH);

	if (isonline()) {
		gg_EnterCriticalSection(&sess_mutex, "SearchAdvanced", 52, "sess_mutex", 1);
		if (!gg_pubdir50(m_sess, req)) {
			gg_LeaveCriticalSection(&sess_mutex, "SearchAdvanced", 52, 1, "sess_mutex", 1);
#ifdef DEBUGMODE
			debugLogA("SearchAdvanced(): ForkThread 15 GaduProto::searchthread");
#endif
			ProtoBroadcastAsync(NULL, ACKTYPE_SEARCH, ACKRESULT_FAILED, this);
			return this;
		}
		gg_LeaveCriticalSection(&sess_mutex, "SearchAdvanced", 52, 2, "sess_mutex", 1);
	}
	debugLogA("SearchAdvanced(): Seq %d.", req->seq);
	gg_pubdir50_free(req);

	return this;
}

//////////////////////////////////////////////////////////
// create adv search dialog
//
static INT_PTR CALLBACK gg_advancedsearchdlgproc(HWND hwndDlg, UINT message, WPARAM, LPARAM)
{
	switch (message) {
	case WM_INITDIALOG:
		TranslateDialogDefault(hwndDlg);
		SendDlgItemMessage(hwndDlg, IDC_GENDER, CB_ADDSTRING, 0, (LPARAM)L"");				// 0
		SendDlgItemMessage(hwndDlg, IDC_GENDER, CB_ADDSTRING, 0, (LPARAM)TranslateT("Female"));	// 1
		SendDlgItemMessage(hwndDlg, IDC_GENDER, CB_ADDSTRING, 0, (LPARAM)TranslateT("Male"));	// 2
		return TRUE;
	}
	return FALSE;
}

HWND GaduProto::CreateExtendedSearchUI(HWND owner)
{
	return CreateDialogParam(g_plugin.getInst(),
		MAKEINTRESOURCE(IDD_GGADVANCEDSEARCH), owner, gg_advancedsearchdlgproc, (LPARAM)this);
}

//////////////////////////////////////////////////////////
// when messsage sent
//
int GaduProto::SendMsg(MCONTACT hContact, MEVENT, const char *msg)
{
	uin_t uin = (uin_t)getDword(hContact, GG_KEY_UIN, 0);
	if (!isonline())
		return -1;

	if (!uin || !msg)
		return 0;

	gg_EnterCriticalSection(&sess_mutex, "SendMsg", 53, "sess_mutex", 1);
	int seq = gg_send_message(m_sess, GG_CLASS_CHAT, uin, (uint8_t*)msg);
	gg_LeaveCriticalSection(&sess_mutex, "SendMsg", 53, 1, "sess_mutex", 1);

	// Auto-ack message without waiting for server ack
	if (!m_useMsgDeliveryAcknowledge)
		ProtoBroadcastAsync(hContact, ACKTYPE_MESSAGE, ACKRESULT_SUCCESS, (HANDLE)seq, 0);

	return seq;
}

//////////////////////////////////////////////////////////
// sets protocol status
//
int GaduProto::SetStatus(int iNewStatus)
{
	int nNewStatus = gg_normalizestatus(iNewStatus);

	gg_EnterCriticalSection(&modemsg_mutex, "SetStatus", 54, "modemsg_mutex", 1);
	m_iDesiredStatus = nNewStatus;
	gg_LeaveCriticalSection(&modemsg_mutex, "SetStatus", 54, 1, "modemsg_mutex", 1);

	// If waiting for connection retry attempt then signal to stop that
	if (hConnStopEvent) SetEvent(hConnStopEvent);

	if (m_iStatus == nNewStatus) return 0;
	debugLogA("SetStatus(): PS_SETSTATUS(%d) normalized to %d.", iNewStatus, nNewStatus);
	refreshstatus(nNewStatus);

	return 0;
}

//////////////////////////////////////////////////////////
// when away message is requested

void __cdecl GaduProto::getawaymsgthread(void *arg)
{
	MCONTACT hContact = (UINT_PTR)arg;
	gg_sleep(100, FALSE, "getawaymsgthread", 106, 1);

	ptrW wszMsg(db_get_wsa(hContact, "CList", "StatusMsg"));
	ProtoBroadcastAck(hContact, ACKTYPE_AWAYMSG, ACKRESULT_SUCCESS, this, wszMsg);
}

HANDLE GaduProto::GetAwayMsg(MCONTACT hContact)
{
#ifdef DEBUGMODE
	debugLogA("GetAwayMsg(): ForkThread 17 GaduProto::getawaymsgthread");
#endif
	ForkThread(&GaduProto::getawaymsgthread, (void*)hContact);
	return this;
}

//////////////////////////////////////////////////////////
// when away message is being set
// registered as ProtoService PS_SETAWAYMSGT
//
int GaduProto::SetAwayMsg(int iStatus, const wchar_t *newMsg)
{
	int status = gg_normalizestatus(iStatus);
	wchar_t **msgPtr;

	debugLogW(L"SetAwayMsg(): PS_SETAWAYMSG(%d, \"%s\".)", iStatus, newMsg);

	gg_EnterCriticalSection(&modemsg_mutex, "SetAwayMsg", 55, "modemsg_mutex", 1);
	// Select proper our msg ptr
	switch (status) {
	case ID_STATUS_ONLINE:
		msgPtr = &modemsg.online;
		break;
	case ID_STATUS_AWAY:
		msgPtr = &modemsg.away;
		break;
	case ID_STATUS_DND:
		msgPtr = &modemsg.dnd;
		break;
	case ID_STATUS_FREECHAT:
		msgPtr = &modemsg.freechat;
		break;
	case ID_STATUS_INVISIBLE:
		msgPtr = &modemsg.invisible;
		break;
	default:
		gg_LeaveCriticalSection(&modemsg_mutex, "SetAwayMsg", 55, 1, "modemsg_mutex", 1);
		return 1;
	}

	// Check if we change status here somehow
	if (*msgPtr && newMsg && !mir_wstrcmp(*msgPtr, newMsg)
		|| !*msgPtr && (!newMsg || !*newMsg)) {
		if (status == m_iDesiredStatus && m_iDesiredStatus == m_iStatus) {
			debugLogA("SetAwayMsg(): Message hasn't been changed, return.");
			gg_LeaveCriticalSection(&modemsg_mutex, "SetAwayMsg", 55, 2, "modemsg_mutex", 1);
			return 0;
		}
	}
	else {
		if (*msgPtr)
			mir_free(*msgPtr);
		*msgPtr = newMsg && *newMsg ? mir_wstrdup(newMsg) : nullptr;
#ifdef DEBUGMODE
		debugLogA("SetAwayMsg(): Message changed.");
#endif
	}
	gg_LeaveCriticalSection(&modemsg_mutex, "SetAwayMsg", 55, 3, "modemsg_mutex", 1);

	// Change the status if it was desired by PS_SETSTATUS
	if (status == m_iDesiredStatus)
		refreshstatus(status);

	return 0;
}

//////////////////////////////////////////////////////////
// sends a notification that the user is typing a message
//
int GaduProto::UserIsTyping(MCONTACT hContact, int type)
{
	uin_t uin = getDword(hContact, GG_KEY_UIN, 0);
	if (!uin || !isonline())
		return 0;

	if (type == PROTOTYPE_SELFTYPING_ON || type == PROTOTYPE_SELFTYPING_OFF) {
		gg_EnterCriticalSection(&sess_mutex, "UserIsTyping", 56, "sess_mutex", 1);
		gg_typing_notification(m_sess, uin, (type == PROTOTYPE_SELFTYPING_ON));
		gg_LeaveCriticalSection(&sess_mutex, "UserIsTyping", 56, 1, "sess_mutex", 1);
	}

	return 0;
}

//////////////////////////////////////////////////////////
// Custom protocol event
//

void GaduProto::OnModulesLoaded()
{
	HookProtoEvent(ME_USERINFO_INITIALISE, &GaduProto::details_init);

	// Init misc stuff
	gg_icolib_init();
	initpopups();
	keepalive_init();
	img_init();
	block_init();

	// Try to fetch user avatar
	getOwnAvatar();
}

void GaduProto::OnShutdown()
{
	// Stop avatar request thread
	pth_avatar.dwThreadId = 0;

	// Stop main connection session thread
	pth_sess.dwThreadId = 0;

	img_shutdown();
	sessions_closedlg();
}