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// ---------------------------------------------------------------------------80
// ICQ plugin for Miranda Instant Messenger
// ________________________________________
//
// Copyright © 2000,2001 Richard Hughes, Roland Rabien, Tristan Van de Vreede
// Copyright © 2001,2002 Jon Keating, Richard Hughes
// Copyright © 2002,2003,2004 Martin Öberg, Sam Kothari, Robert Rainwater
// Copyright © 2004,2005 Joe Kucera
//
// 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.
//
// -----------------------------------------------------------------------------
//
// File name : $Source: /cvsroot/miranda/miranda/protocols/IcqOscarJ/capabilities.c,v $
// Revision : $Revision: 2874 $
// Last change on : $Date: 2006-05-16 23:38:00 +0200 (Tue, 16 May 2006) $
// Last change by : $Author: ghazan $
//
// DESCRIPTION:
//
// Contains helper functions to handle oscar user capabilities. Scanning and
// adding capabilities are assumed to be more timecritical than looking up
// capabilites. During the login sequence there could possibly be many hundred
// scans but only a few lookups. So when you add or change something in this
// code you must have this in mind, dont do anything that will slow down the
// adding process too much.
//
// -----------------------------------------------------------------------------
#include "icqoscar.h"
typedef struct icq_capability_s
{
DWORD fdwMirandaID; // A bitmask, we use it in order to save database space
BYTE CapCLSID[BINARY_CAP_SIZE]; // A binary representation of a oscar capability
} icq_capability;
static icq_capability CapabilityRecord[] =
{
{CAPF_SRV_RELAY, {CAP_SRV_RELAY}},
{CAPF_UTF, {CAP_UTF }},
{CAPF_TYPING, {CAP_TYPING }},
{CAPF_XTRAZ, {CAP_XTRAZ }},
{CAPF_AIM_FILE, {CAP_AIM_FILE }},
{CAPF_PUSH2TALK, {CAP_PUSH2TALK }},
{CAPF_ICQ_LITE, {CAP_ICQ_LITE }},
{CAPF_RTF, {CAP_RTF }},
{CAPF_XTRAZ_CHAT, {CAP_XTRAZ_CHAT}},
{CAPF_VOICE_CHAT, {CAP_VOICE_CHAT}},
{CAPF_ICQ_DEVIL, {CAP_ICQ_DEVIL }},
{CAPF_DIRECT, {CAP_DIRECT }}
};
// Deletes all oscar capabilities for a given contact
void ClearAllContactCapabilities(HANDLE hContact)
{
ICQWriteContactSettingDword(hContact, DBSETTING_CAPABILITIES, 0);
}
// Deletes one or many oscar capabilities for a given contact
void ClearContactCapabilities(HANDLE hContact, DWORD fdwCapabilities)
{
DWORD fdwContactCaps;
// Get current capability flags
fdwContactCaps = ICQGetContactSettingDword(hContact, DBSETTING_CAPABILITIES, 0);
// Clear unwanted capabilities
fdwContactCaps &= ~fdwCapabilities;
// And write it back to disk
ICQWriteContactSettingDword(hContact, DBSETTING_CAPABILITIES, fdwContactCaps);
}
// Sets one or many oscar capabilities for a given contact
void SetContactCapabilities(HANDLE hContact, DWORD fdwCapabilities)
{
DWORD fdwContactCaps;
// Get current capability flags
fdwContactCaps = ICQGetContactSettingDword(hContact, DBSETTING_CAPABILITIES, 0);
// Update them
fdwContactCaps |= fdwCapabilities;
// And write it back to disk
ICQWriteContactSettingDword(hContact, DBSETTING_CAPABILITIES, fdwContactCaps);
}
// Returns true if the given contact supports the requested capabilites
BOOL CheckContactCapabilities(HANDLE hContact, DWORD fdwCapabilities)
{
DWORD fdwContactCaps;
// Get current capability flags
fdwContactCaps = ICQGetContactSettingDword(hContact, DBSETTING_CAPABILITIES, 0);
// Check if all requested capabilities are supported
if ((fdwContactCaps & fdwCapabilities) == fdwCapabilities)
{
return TRUE;
}
else
{
return FALSE;
}
}
// Scans a binary buffer for oscar capabilities and adds them to the contact.
// You probably want to call ClearAllContactCapabilities() first.
void AddCapabilitiesFromBuffer(HANDLE hContact, BYTE* pbyBuffer, int nLength)
{
DWORD fdwContactCaps;
int iCapability;
int nIndex;
int nRecordSize;
// Calculate the number of records
nRecordSize = sizeof(CapabilityRecord)/sizeof(icq_capability);
// Get current capability flags
fdwContactCaps = ICQGetContactSettingDword(hContact, DBSETTING_CAPABILITIES, 0);
// Loop over all capabilities in the buffer and
// compare them to our own record of capabilities
for (iCapability = 0; (iCapability + BINARY_CAP_SIZE) <= nLength; iCapability += BINARY_CAP_SIZE)
{
BOOL knownCAP = FALSE;
for (nIndex = 0; nIndex < nRecordSize; nIndex++)
{
if (!memcmp(pbyBuffer + iCapability, CapabilityRecord[nIndex].CapCLSID, BINARY_CAP_SIZE))
{
// Match
fdwContactCaps |= CapabilityRecord[nIndex].fdwMirandaID;
knownCAP = TRUE;
break;
}
}
if(!knownCAP) {
char szCap[64];
int i;
for (i = 0; i < 16; i++)
wsprintf(szCap+i*3, " %02X", (BYTE)((BYTE*)(pbyBuffer + iCapability)[i]));
Netlib_Logf(ghServerNetlibUser, "Found unknown CAP%s", szCap);
}
}
// And write it back to disk
ICQWriteContactSettingDword(hContact, DBSETTING_CAPABILITIES, fdwContactCaps);
}
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