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/*

Miranda IM: 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.
*/
#include "commonheaders.h"

#define MS_AUTH_SHOWREQUEST	"Auth/ShowRequest"
#define MS_AUTH_SHOWADDED	"Auth/ShowAdded"

INT_PTR CALLBACK DlgProcAuthReq(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam);
INT_PTR CALLBACK DlgProcAdded(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam);

INT_PTR ShowReqWindow(WPARAM, LPARAM lParam)
{
	CreateDialogParam(hInst, MAKEINTRESOURCE(IDD_AUTHREQ), NULL, DlgProcAuthReq, (LPARAM)((CLISTEVENT *)lParam)->hDbEvent);
	return 0;
}

INT_PTR ShowAddedWindow(WPARAM, LPARAM lParam)
{
	CreateDialogParam(hInst, MAKEINTRESOURCE(IDD_ADDED), NULL, DlgProcAdded, (LPARAM)((CLISTEVENT *)lParam)->hDbEvent);
	return 0;
}

static int AuthEventAdded(WPARAM, LPARAM lParam)
{
	TCHAR szUid[128] = _T("");
	TCHAR szTooltip[256];
	const HANDLE hDbEvent = (HANDLE)lParam;

	DBEVENTINFO dbei = {0};
	dbei.cbSize = sizeof(dbei);
	CallService(MS_DB_EVENT_GET, (WPARAM)lParam, (LPARAM)&dbei);
	if (dbei.flags & (DBEF_SENT | DBEF_READ) || (dbei.eventType != EVENTTYPE_AUTHREQUEST && dbei.eventType != EVENTTYPE_ADDED))
		return 0;

	dbei.cbBlob = CallService(MS_DB_EVENT_GETBLOBSIZE, lParam, 0);
	dbei.pBlob = (PBYTE)alloca(dbei.cbBlob);
	CallService(MS_DB_EVENT_GET, lParam, (LPARAM)&dbei);

	HANDLE hContact = DbGetAuthEventContact(&dbei);

	CLISTEVENT cli = {0};
	cli.cbSize = sizeof(cli);
	cli.hContact = hContact;
	cli.ptszTooltip = szTooltip;
	cli.flags = CLEF_TCHAR;
	cli.lParam = lParam;
	cli.hDbEvent = hDbEvent;

	CONTACTINFO ci = {0};
	ci.cbSize = sizeof(ci);
	ci.hContact = hContact;
	ci.szProto = (char *)CallService(MS_PROTO_GETCONTACTBASEPROTO, (WPARAM)hContact, 0);
	ci.dwFlag = CNF_UNIQUEID | CNF_TCHAR;
	if ( !CallService(MS_CONTACT_GETCONTACTINFO, 0, (LPARAM)&ci)) {
		switch (ci.type) {
		case CNFT_ASCIIZ:
			mir_sntprintf(szUid, SIZEOF(szUid), _T("%s"), ci.pszVal);
			mir_free(ci.pszVal);
			break;

		case CNFT_DWORD:
			mir_sntprintf(szUid, SIZEOF(szUid), _T("%u"), ci.dVal);
			break;
		}
	}

	if (dbei.eventType == EVENTTYPE_AUTHREQUEST) {
		SkinPlaySound("AuthRequest");
		if (szUid[0])
			mir_sntprintf(szTooltip, SIZEOF(szTooltip), TranslateT("%s requests authorization"), szUid);
		else
			mir_sntprintf(szTooltip, SIZEOF(szTooltip), TranslateT("%u requests authorization"), *(PDWORD)dbei.pBlob);

		cli.hIcon = LoadSkinIcon(SKINICON_OTHER_MIRANDA);
		cli.pszService = MS_AUTH_SHOWREQUEST;
		CallService(MS_CLIST_ADDEVENT, 0, (LPARAM)&cli);
	}
	else if (dbei.eventType == EVENTTYPE_ADDED) {
		SkinPlaySound("AddedEvent");
		if (szUid[0])
			mir_sntprintf(szTooltip, SIZEOF(szTooltip), TranslateT("%s added you to their contact list"), szUid);
		else
			mir_sntprintf(szTooltip, SIZEOF(szTooltip), TranslateT("%u added you to their contact list"), *(PDWORD)dbei.pBlob);

		cli.hIcon = LoadSkinIcon(SKINICON_OTHER_MIRANDA);
		cli.pszService = MS_AUTH_SHOWADDED;
		CallService(MS_CLIST_ADDEVENT, 0, (LPARAM)&cli);
	}
	return 0;
}

int LoadSendRecvAuthModule(void)
{
	CreateServiceFunction(MS_AUTH_SHOWREQUEST, ShowReqWindow);
	CreateServiceFunction(MS_AUTH_SHOWADDED, ShowAddedWindow);
	HookEvent(ME_DB_EVENT_ADDED, AuthEventAdded);

	SkinAddNewSoundEx("AuthRequest", LPGEN("Alerts"), LPGEN("Authorization request"));
	SkinAddNewSoundEx("AddedEvent",  LPGEN("Alerts"), LPGEN("Added event"));

	return 0;
}