/*
 * Copyright (c) 2010-2019 Belledonne Communications SARL.
 *
 * This file is part of Liblinphone.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _L_SAL_PRESENCE_OP_H_
#define _L_SAL_PRESENCE_OP_H_

#include "sal/event-op.h"

LINPHONE_BEGIN_NAMESPACE

class SalPresenceOp : public SalSubscribeOp {
public:
	SalPresenceOp (Sal *sal);

	int subscribe (int expires);
	int unsubscribe () { return SalOp::unsubscribe(); }
	int notifyPresence (SalPresenceModel *presence);
	int notifyPresenceClose ();

private:
	void fillCallbacks () override;
	void handleNotify (belle_sip_request_t *request, belle_sip_dialog_t *dialog);
	SalPresenceModel *processPresenceNotification (belle_sip_request_t *request);
	int checkDialogState ();
	belle_sip_request_t *createPresenceNotify ();
	void addPresenceInfo (belle_sip_message_t *notify, SalPresenceModel *presence);

	static SalSubscribeStatus getSubscriptionState (const belle_sip_message_t *message);

	static void presenceProcessIoErrorCb (void *userCtx, const belle_sip_io_error_event_t *event);
	static void presenceResponseEventCb (void *userCtx, const belle_sip_response_event_t *event);
	static void presenceRefresherListenerCb (belle_sip_refresher_t *refresher, void *userCtx, unsigned int statusCode, const char *reasonPhrase, int willRetry);
	static void presenceProcessTimeoutCb (void *userCtx, const belle_sip_timeout_event_t *event);
	static void presenceProcessTransactionTerminatedCb (void *userCtx, const belle_sip_transaction_terminated_event_t *event);
	static void presenceProcessRequestEventCb (void *userCtx, const belle_sip_request_event_t *event);
	static void presenceProcessDialogTerminatedCb (void *userCtx, const belle_sip_dialog_terminated_event_t *event);
	static void releaseCb (SalOp *op);
};

LINPHONE_END_NAMESPACE

#endif // ifndef _L_SAL_PRESENCE_OP_H_
