FreeRDP/server/shadow/shadow_encomsp.c
2014-09-15 08:55:00 +02:00

112 lines
2.5 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
*
* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <freerdp/log.h>
#include "shadow.h"
#include "shadow_encomsp.h"
#define TAG SERVER_TAG("shadow")
static int encomsp_change_participant_control_level(EncomspServerContext* context,
ENCOMSP_CHANGE_PARTICIPANT_CONTROL_LEVEL_PDU* pdu)
{
BOOL inLobby;
BOOL mayView;
BOOL mayInteract;
rdpShadowClient* client = (rdpShadowClient*) context->custom;
WLog_INFO(TAG, "ChangeParticipantControlLevel: ParticipantId: %d Flags: 0x%04X",
pdu->ParticipantId, pdu->Flags);
mayView = (pdu->Flags & ENCOMSP_MAY_VIEW) ? TRUE : FALSE;
mayInteract = (pdu->Flags & ENCOMSP_MAY_INTERACT) ? TRUE : FALSE;
if (mayInteract && !mayView)
mayView = TRUE; /* may interact implies may view */
if (mayInteract)
{
if (!client->mayInteract)
{
/* request interact + view */
client->mayInteract = TRUE;
client->mayView = TRUE;
}
}
else if (mayView)
{
if (client->mayInteract)
{
/* release interact */
client->mayInteract = FALSE;
}
else if (!client->mayView)
{
/* request view */
client->mayView = TRUE;
}
}
else
{
if (client->mayInteract)
{
/* release interact + view */
client->mayView = FALSE;
client->mayInteract = FALSE;
}
else if (client->mayView)
{
/* release view */
client->mayView = FALSE;
client->mayInteract = FALSE;
}
}
inLobby = client->mayView ? FALSE : TRUE;
if (inLobby != client->inLobby)
{
shadow_encoder_reset(client->encoder);
client->inLobby = inLobby;
}
return 1;
}
int shadow_client_encomsp_init(rdpShadowClient* client)
{
EncomspServerContext* encomsp;
encomsp = client->encomsp = encomsp_server_context_new(client->vcm);
encomsp->custom = (void*) client;
encomsp->ChangeParticipantControlLevel = encomsp_change_participant_control_level;
if (client->encomsp)
client->encomsp->Start(client->encomsp);
return 1;
}