/**

 * 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 "shadow.h"

static BOOL shadow_input_synchronize_event(rdpInput* input, UINT32 flags)

{

	rdpShadowClient* client = (rdpShadowClient*) input->context;

	rdpShadowSubsystem* subsystem = client->server->subsystem;

	if (!client->mayInteract)

		return TRUE;

	return IFCALLRESULT(TRUE, subsystem->SynchronizeEvent, subsystem, client, flags);

}

static BOOL shadow_input_keyboard_event(rdpInput* input, UINT16 flags, UINT16 code)

{

	rdpShadowClient* client = (rdpShadowClient*) input->context;

	rdpShadowSubsystem* subsystem = client->server->subsystem;

	if (!client->mayInteract)

		return TRUE;

	return IFCALLRESULT(TRUE, subsystem->KeyboardEvent, subsystem, client, flags, code);

}

static BOOL shadow_input_unicode_keyboard_event(rdpInput* input, UINT16 flags, UINT16 code)

{

	rdpShadowClient* client = (rdpShadowClient*) input->context;

	rdpShadowSubsystem* subsystem = client->server->subsystem;

	if (!client->mayInteract)

		return TRUE;

	return IFCALLRESULT(TRUE, subsystem->UnicodeKeyboardEvent, subsystem, client, flags, code);

}

static BOOL shadow_input_mouse_event(rdpInput* input, UINT16 flags, UINT16 x, UINT16 y)

{

	rdpShadowClient* client = (rdpShadowClient*) input->context;

	rdpShadowSubsystem* subsystem = client->server->subsystem;

	if (client->server->shareSubRect)

	{

		x += client->server->subRect.left;

		y += client->server->subRect.top;

	}

	if (!(flags & PTR_FLAGS_WHEEL))

	{

		client->pointerX = x;

		client->pointerY = y;

		if ((client->pointerX == subsystem->pointerX) &&

		    (client->pointerY == subsystem->pointerY))

		{

			flags &= ~PTR_FLAGS_MOVE;

			if (!(flags & (PTR_FLAGS_BUTTON1 | PTR_FLAGS_BUTTON2 | PTR_FLAGS_BUTTON3)))

				return TRUE;

		}

	}

	if (!client->mayInteract)

		return TRUE;

	return IFCALLRESULT(TRUE, subsystem->MouseEvent, subsystem, client, flags, x, y);

}

static BOOL shadow_input_extended_mouse_event(rdpInput* input, UINT16 flags, UINT16 x, UINT16 y)

{

	rdpShadowClient* client = (rdpShadowClient*) input->context;

	rdpShadowSubsystem* subsystem = client->server->subsystem;

	if (client->server->shareSubRect)

	{

		x += client->server->subRect.left;

		y += client->server->subRect.top;

	}

	client->pointerX = x;

	client->pointerY = y;

	if (!client->mayInteract)

		return TRUE;

	return IFCALLRESULT(TRUE, subsystem->ExtendedMouseEvent, subsystem, client, flags, x, y);

}

void shadow_input_register_callbacks(rdpInput* input)

{

	input->SynchronizeEvent = shadow_input_synchronize_event;

	input->KeyboardEvent = shadow_input_keyboard_event;

	input->UnicodeKeyboardEvent = shadow_input_unicode_keyboard_event;

	input->MouseEvent = shadow_input_mouse_event;

	input->ExtendedMouseEvent = shadow_input_extended_mouse_event;

}