FreeRDP/client/Wayland/wlf_channels.c
2022-03-03 11:26:48 +01:00

159 lines
3.9 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* X11 Client Channels
*
* Copyright 2013 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.
*/
#include <freerdp/config.h>
#include <freerdp/gdi/gfx.h>
#include <freerdp/gdi/video.h>
#include "wlf_channels.h"
#include "wlf_cliprdr.h"
#include "wlf_disp.h"
#include "wlfreerdp.h"
static BOOL encomsp_toggle_control(EncomspClientContext* encomsp, BOOL control)
{
ENCOMSP_CHANGE_PARTICIPANT_CONTROL_LEVEL_PDU pdu;
if (!encomsp)
return FALSE;
pdu.ParticipantId = 0;
pdu.Flags = ENCOMSP_REQUEST_VIEW;
if (control)
pdu.Flags |= ENCOMSP_REQUEST_INTERACT;
encomsp->ChangeParticipantControlLevel(encomsp, &pdu);
return TRUE;
}
/**
* Function description
*
* @return 0 on success, otherwise a Win32 error code
*/
static UINT
wlf_encomsp_participant_created(EncomspClientContext* context,
const ENCOMSP_PARTICIPANT_CREATED_PDU* participantCreated)
{
wlfContext* wlf;
rdpSettings* settings;
BOOL request;
if (!context || !context->custom || !participantCreated)
return ERROR_INVALID_PARAMETER;
wlf = (wlfContext*)context->custom;
WINPR_ASSERT(wlf);
settings = wlf->common.context.settings;
if (!settings)
return ERROR_INVALID_PARAMETER;
request = freerdp_settings_get_bool(settings, FreeRDP_RemoteAssistanceRequestControl);
if (request && (participantCreated->Flags & ENCOMSP_MAY_VIEW) &&
!(participantCreated->Flags & ENCOMSP_MAY_INTERACT))
{
if (!encomsp_toggle_control(context, TRUE))
return ERROR_INTERNAL_ERROR;
}
return CHANNEL_RC_OK;
}
static void wlf_encomsp_init(wlfContext* wlf, EncomspClientContext* encomsp)
{
wlf->encomsp = encomsp;
encomsp->custom = (void*)wlf;
encomsp->ParticipantCreated = wlf_encomsp_participant_created;
}
static void wlf_encomsp_uninit(wlfContext* wlf, EncomspClientContext* encomsp)
{
if (encomsp)
{
encomsp->custom = NULL;
encomsp->ParticipantCreated = NULL;
}
if (wlf)
wlf->encomsp = NULL;
}
void wlf_OnChannelConnectedEventHandler(void* context, const ChannelConnectedEventArgs* e)
{
wlfContext* wlf = (wlfContext*)context;
WINPR_ASSERT(wlf);
WINPR_ASSERT(e);
if (FALSE)
{
}
else if (strcmp(e->name, RAIL_SVC_CHANNEL_NAME) == 0)
{
}
else if (strcmp(e->name, CLIPRDR_SVC_CHANNEL_NAME) == 0)
{
wlf_cliprdr_init(wlf->clipboard, (CliprdrClientContext*)e->pInterface);
}
else if (strcmp(e->name, ENCOMSP_SVC_CHANNEL_NAME) == 0)
{
wlf_encomsp_init(wlf, (EncomspClientContext*)e->pInterface);
}
else if (strcmp(e->name, DISP_DVC_CHANNEL_NAME) == 0)
{
wlf_disp_init(wlf->disp, (DispClientContext*)e->pInterface);
}
else
freerdp_client_OnChannelConnectedEventHandler(context, e);
}
void wlf_OnChannelDisconnectedEventHandler(void* context, const ChannelDisconnectedEventArgs* e)
{
wlfContext* wlf = (wlfContext*)context;
WINPR_ASSERT(wlf);
WINPR_ASSERT(e);
if (FALSE)
{
}
else if (strcmp(e->name, RAIL_SVC_CHANNEL_NAME) == 0)
{
}
else if (strcmp(e->name, CLIPRDR_SVC_CHANNEL_NAME) == 0)
{
wlf_cliprdr_uninit(wlf->clipboard, (CliprdrClientContext*)e->pInterface);
}
else if (strcmp(e->name, ENCOMSP_SVC_CHANNEL_NAME) == 0)
{
wlf_encomsp_uninit(wlf, (EncomspClientContext*)e->pInterface);
}
else if (strcmp(e->name, DISP_DVC_CHANNEL_NAME) == 0)
{
wlf_disp_uninit(wlf->disp, (DispClientContext*)e->pInterface);
}
else
freerdp_client_OnChannelDisconnectedEventHandler(context, e);
}