libpurple/purpleprotocolmedia.h

/*
 * Purple - Internet Messaging Library
 * Copyright (C) Pidgin Developers <devel@pidgin.im>
 *
 * Purple is the legal property of its developers, whose names are too numerous
 * to list here. Please refer to the COPYRIGHT file distributed with this
 * source distribution.
 *
 * This library 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 2 of the License, or (at your option)
 * any later version.
 *
 * This library 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 library; if not, see <https://www.gnu.org/licenses/>.
 */

#if !defined(PURPLE_GLOBAL_HEADER_INSIDE) && !defined(PURPLE_COMPILATION)
# error "only <purple.h> may be included directly"
#endif

#ifndef PURPLE_PROTOCOL_MEDIA_H
#define PURPLE_PROTOCOL_MEDIA_H

#include <glib.h>
#include <glib-object.h>

#include "media.h"
#include "purpleaccount.h"
#include "purpleprotocol.h"
#include "purpleversion.h"

#define PURPLE_TYPE_PROTOCOL_MEDIA (purple_protocol_media_get_type())

PURPLE_AVAILABLE_IN_3_0
G_DECLARE_INTERFACE(PurpleProtocolMedia, purple_protocol_media, PURPLE,
                    PROTOCOL_MEDIA, PurpleProtocol)

G_BEGIN_DECLS

/**
 * PurpleProtocolMedia:
 *
 * #PurpleProtocolMedia describes the multimedia api that is available for
 * protocols.
 *
 * Since: 3.0
 */

struct _PurpleProtocolMediaInterface {
	/*< private >*/
	GTypeInterface parent;

	/*< public >*/
	gboolean (*initiate_session)(PurpleProtocolMedia *media, PurpleAccount *account, const gchar *who, PurpleMediaSessionType type);

	PurpleMediaCaps (*get_caps)(PurpleProtocolMedia *media, PurpleAccount *account, const gchar *who);

	gboolean (*send_dtmf)(PurpleProtocolMedia *protocol_media, PurpleMedia *media, gchar dtmf, guint8 volume, guint8 duration);

	/*< private >*/
	gpointer reserved[4];
};

/**
 * purple_protocol_media_initiate_session:
 * @media: The #PurpleProtocolMedia instance.
 * @account: The #PurpleAccount instance.
 * @who: The user to initiate a media session with.
 * @type: The type of media session to create.
 *
 * Initiates a media connection of @type to @who.
 *
 * Returns: %TRUE if successful, %FALSE otherwise.
 *
 * Since: 3.0
 */
PURPLE_AVAILABLE_IN_3_0
gboolean purple_protocol_media_initiate_session(PurpleProtocolMedia *media, PurpleAccount *account, const gchar *who, PurpleMediaSessionType type);

/**
 * purple_protocol_media_get_caps:
 * @media: The #PurpleProtocolMedia instance.
 * @account: The #PurpleAccount instance.
 * @who: The user to get the media capabilities for.
 *
 * Gets the #PurpleMediaCaps for @who which determine what types of media are
 * available.
 *
 * Returns: the media capabilities of @who.
 *
 * Since: 3.0
 */
PURPLE_AVAILABLE_IN_3_0
PurpleMediaCaps purple_protocol_media_get_caps(PurpleProtocolMedia *media, PurpleAccount *account, const gchar *who);

/**
 * purple_protocol_media_send_dtmf:
 * @protocol_media: The #PurpleProtocolMedia instance.
 * @media: The #PurpleMedia instance.
 * @dtmf: A DTMF to send.
 * @volume: The volume to send @dtmf at.
 * @duration: The duration to send @dtmf (in ms?)
 *
 * Sends a DTMF (dual-tone multi-frequency) signal via the established @media
 * for the given @duration at the given @volume.
 *
 * It is up to the specific implementation if DTMF is send in or out of band.
 *
 * Returns: %TRUE if successful, %FALSE otherwise.
 *
 * Since: 3.0
 */
PURPLE_AVAILABLE_IN_3_0
gboolean purple_protocol_media_send_dtmf(PurpleProtocolMedia *protocol_media, PurpleMedia *media, gchar dtmf, guint8 volume, guint8 duration);

G_END_DECLS

#endif /* PURPLE_PROTOCOL_MEDIA_H */