132 lines
3.0 KiB
C
132 lines
3.0 KiB
C
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/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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*
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* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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* Copyright 2015 Thincast Technologies GmbH
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* Copyright 2015 DI (FH) Martin Haimberger <martin.haimberger@thincast.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <freerdp/log.h>
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#include "shadow.h"
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#include "shadow_encomsp.h"
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#define TAG SERVER_TAG("shadow")
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/**
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* Function description
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*
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* @return 0 on success, otherwise a Win32 error code
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*/
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static UINT
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encomsp_change_participant_control_level(EncomspServerContext* context,
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ENCOMSP_CHANGE_PARTICIPANT_CONTROL_LEVEL_PDU* pdu)
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{
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BOOL inLobby;
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BOOL mayView;
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BOOL mayInteract;
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rdpShadowClient* client = (rdpShadowClient*)context->custom;
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WLog_INFO(TAG,
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"ChangeParticipantControlLevel: ParticipantId: %" PRIu32 " Flags: 0x%04" PRIX16 "",
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pdu->ParticipantId, pdu->Flags);
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mayView = (pdu->Flags & ENCOMSP_MAY_VIEW) ? TRUE : FALSE;
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mayInteract = (pdu->Flags & ENCOMSP_MAY_INTERACT) ? TRUE : FALSE;
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if (mayInteract && !mayView)
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mayView = TRUE; /* may interact implies may view */
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if (mayInteract)
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{
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if (!client->mayInteract)
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{
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/* request interact + view */
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client->mayInteract = TRUE;
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client->mayView = TRUE;
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}
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}
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else if (mayView)
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{
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if (client->mayInteract)
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{
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/* release interact */
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client->mayInteract = FALSE;
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}
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else if (!client->mayView)
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{
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/* request view */
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client->mayView = TRUE;
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}
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}
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else
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{
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if (client->mayInteract)
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{
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/* release interact + view */
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client->mayView = FALSE;
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client->mayInteract = FALSE;
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}
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else if (client->mayView)
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{
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/* release view */
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client->mayView = FALSE;
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client->mayInteract = FALSE;
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}
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}
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inLobby = client->mayView ? FALSE : TRUE;
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if (inLobby != client->inLobby)
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{
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shadow_encoder_reset(client->encoder);
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client->inLobby = inLobby;
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}
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return CHANNEL_RC_OK;
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}
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int shadow_client_encomsp_init(rdpShadowClient* client)
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{
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EncomspServerContext* encomsp;
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encomsp = client->encomsp = encomsp_server_context_new(client->vcm);
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encomsp->rdpcontext = &client->context;
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encomsp->custom = (void*)client;
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encomsp->ChangeParticipantControlLevel = encomsp_change_participant_control_level;
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if (client->encomsp)
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client->encomsp->Start(client->encomsp);
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return 1;
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}
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void shadow_client_encomsp_uninit(rdpShadowClient* client)
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{
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if (client->encomsp)
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{
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client->encomsp->Stop(client->encomsp);
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encomsp_server_context_free(client->encomsp);
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client->encomsp = NULL;
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}
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}
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