/**

 * FreeRDP: A Remote Desktop Protocol Implementation

 * Geometry tracking Virtual Channel Extension

 *

 * Copyright 2017 David Fort <contact@hardening-consulting.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.

 */

#ifndef FREERDP_CHANNELS_CLIENT_GEOMETRY_H

#define FREERDP_CHANNELS_CLIENT_GEOMETRY_H

#include <winpr/collections.h>

#include <freerdp/api.h>

#include <freerdp/channels/geometry.h>

/**

 * Client Interface

 */

typedef struct _geometry_client_context GeometryClientContext;

typedef struct _MAPPED_GEOMETRY MAPPED_GEOMETRY;

typedef BOOL (*pcMappedGeometryAdded)(GeometryClientContext* context, MAPPED_GEOMETRY *geometry);

typedef BOOL (*pcMappedGeometryUpdate)(MAPPED_GEOMETRY *geometry);

typedef BOOL (*pcMappedGeometryClear)(MAPPED_GEOMETRY *geometry);

/** @brief a geometry record tracked by the geometry channel */

struct _MAPPED_GEOMETRY

{

	volatile LONG refCounter;

	UINT64 mappingId;

	UINT64 topLevelId;

	INT32 left, top, right, bottom;

	INT32 topLevelLeft, topLevelTop, topLevelRight, topLevelBottom;

	FREERDP_RGNDATA geometry;

	void *custom;

	pcMappedGeometryUpdate MappedGeometryUpdate;

	pcMappedGeometryClear MappedGeometryClear;

};

/** @brief the geometry context for client channel */

struct _geometry_client_context

{

	wHashTable *geometries;

	void* handle;

	void* custom;

	pcMappedGeometryAdded MappedGeometryAdded;

};

#ifdef __cplusplus

extern "C" {

#endif

FREERDP_API void mappedGeometryRef(MAPPED_GEOMETRY *g);

FREERDP_API void mappedGeometryUnref(MAPPED_GEOMETRY *g);

#ifdef __cplusplus

}

#endif

#endif /* FREERDP_CHANNELS_CLIENT_GEOMETRY_H */