pidgin/pidgin

fix some other memory leaks
memory-leaks
2019-11-10, Fabrice Bellet
03bafaff77dd
fix some other memory leaks
/* purple
*
* 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 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#ifndef PURPLE_MEDIA_MANAGER_H
#define PURPLE_MEDIA_MANAGER_H
/**
* SECTION:mediamanager
* @section_id: libpurple-mediamanager
* @short_description: <filename>mediamanager.h</filename>
* @title: Media Manager Object
*/
#include <glib.h>
#include <glib-object.h>
typedef struct _PurpleMediaManager PurpleMediaManager;
#include "account.h"
#include "media.h"
#define PURPLE_TYPE_MEDIA_MANAGER purple_media_manager_get_type()
/**
* PurpleMediaManagerClass:
*
* The media manager class.
*/
struct _PurpleMediaManagerClass
{
GObjectClass parent_class;
/*< private >*/
void (*purple_reserved1)(void);
void (*purple_reserved2)(void);
void (*purple_reserved3)(void);
void (*purple_reserved4)(void);
};
/**
* PurpleMediaAppDataCallbacks:
* @readable: Called when the stream has received data and is readable.
* @writable: Called when the stream has become writable or has stopped being
* writable.
*
* A set of callbacks that can be installed on an Application data session with
* purple_media_manager_set_application_data_callbacks()
*
* Once installed the @readable callback will get called as long as data is
* available to read, so the data must be read completely.
* The @writable callback will only be called when the writable state of the
* stream changes. The @writable argument defines whether the stream has
* become writable or stopped being writable.
*
*/
typedef struct {
void (*readable) (PurpleMediaManager *manager, PurpleMedia *media,
const gchar *session_id, const gchar *participant, gpointer user_data);
void (*writable) (PurpleMediaManager *manager, PurpleMedia *media,
const gchar *session_id, const gchar *participant, gboolean writable,
gpointer user_data);
} PurpleMediaAppDataCallbacks;
G_BEGIN_DECLS
/**************************************************************************/
/* Media Manager API */
/**************************************************************************/
/**
* purple_media_manager_get_type:
*
* Gets the media manager's GType.
*
* Returns: The media manager's GType.
*/
G_DECLARE_FINAL_TYPE(PurpleMediaManager, purple_media_manager, PURPLE,
MEDIA_MANAGER, GObject)
/**
* purple_media_manager_get:
*
* Gets the "global" media manager object. It's created if it doesn't already exist.
*
* Returns: (transfer none): The "global" instance of the media manager object.
*/
PurpleMediaManager *purple_media_manager_get(void);
/**
* purple_media_manager_create_media:
* @manager: The media manager to create the session under.
* @account: The account to create the session on.
* @conference_type: The conference type to feed into Farstream.
* @remote_user: The remote user to initiate the session with.
* @initiator: TRUE if the local user is the initiator of this media call, FALSE otherwise.
*
* Creates a media session.
*
* Returns: (transfer full): A newly created media session.
*/
PurpleMedia *purple_media_manager_create_media(PurpleMediaManager *manager,
PurpleAccount *account,
const char *conference_type,
const char *remote_user,
gboolean initiator);
/**
* purple_media_manager_get_media:
* @manager: The media manager to get all of the sessions from.
*
* Gets all of the media sessions.
*
* Returns: (transfer none) (element-type PurpleMedia): A list of all the media sessions.
*/
GList *purple_media_manager_get_media(PurpleMediaManager *manager);
/**
* purple_media_manager_get_media_by_account:
* @manager: The media manager to get the sessions from.
* @account: The account the sessions are on.
*
* Gets all of the media sessions for a given account.
*
* Returns: (transfer container) (element-type PurpleMedia): A list of the media sessions on the given account.
*/
GList *purple_media_manager_get_media_by_account(
PurpleMediaManager *manager, PurpleAccount *account);
/**
* purple_media_manager_remove_media:
* @manager: The media manager to remove the media session from.
* @media: The media session to remove.
*
* Removes a media session from the media manager.
*/
void
purple_media_manager_remove_media(PurpleMediaManager *manager,
PurpleMedia *media);
/**
* purple_media_manager_create_private_media:
* @manager: The media manager to create the session under.
* @account: The account to create the session on.
* @conference_type: The conference type to feed into Farstream.
* @remote_user: The remote user to initiate the session with.
* @initiator: TRUE if the local user is the initiator of this media call, FALSE otherwise.
*
* Creates a private media session.
* A private media session is a media session which is private to the caller. It is
* meant to be used by plugins to create a media session that the front-end does not
* get notified about. It is useful especially for sessions with a type of
* PURPLE_MEDIA_APPLICATION which the front-end wouldn't know how to handle.
*
* Returns: (transfer full): A newly created media session.
*/
PurpleMedia *purple_media_manager_create_private_media(
PurpleMediaManager *manager,
PurpleAccount *account,
const char *conference_type,
const char *remote_user,
gboolean initiator);
/**
* purple_media_manager_get_private_media:
* @manager: The media manager to get all of the sessions from.
*
* Gets all of the private media sessions.
*
* Returns: (transfer none) (element-type PurpleMedia): A list of all the private media sessions.
*/
GList *purple_media_manager_get_private_media(PurpleMediaManager *manager);
/**
* purple_media_manager_get_private_media_by_account:
* @manager: The media manager to get the sessions from.
* @account: The account the sessions are on.
*
* Gets all of the private media sessions for a given account.
*
* Returns: (transfer container) (element-type PurpleMedia): A list of the private media sessions on the given account.
*/
GList *purple_media_manager_get_private_media_by_account(
PurpleMediaManager *manager, PurpleAccount *account);
/**
* purple_media_manager_create_output_window:
* @manager: Manager the output windows are registered with.
* @media: Media session the output windows are registered for.
* @session_id: The session the output windows are registered with.
* @participant: The participant the output windows are registered with.
*
* Signals that output windows should be created for the chosen stream.
*
* This shouldn't be called outside of mediamanager.c and media.c
*
* Returns: TRUE if it succeeded, FALSE if it failed.
*/
gboolean purple_media_manager_create_output_window(
PurpleMediaManager *manager, PurpleMedia *media,
const gchar *session_id, const gchar *participant);
/**
* purple_media_manager_set_output_window:
* @manager: The manager to register the output window with.
* @media: The media instance to find the stream in.
* @session_id: The session the stream is associated with.
* @participant: The participant the stream is associated with.
* @window_id: The window ID to embed the video in.
*
* Registers a video output window to be created for a given stream.
*
* Returns: A unique ID to the registered output window, 0 if it failed.
*/
gulong purple_media_manager_set_output_window(PurpleMediaManager *manager,
PurpleMedia *media, const gchar *session_id,
const gchar *participant, gulong window_id);
/**
* purple_media_manager_remove_output_window:
* @manager: The manager the output window was registered with.
* @output_window_id: The ID of the output window.
*
* Remove a previously registerd output window.
*
* Returns: TRUE if it found the output window and was successful, else FALSE.
*/
gboolean purple_media_manager_remove_output_window(
PurpleMediaManager *manager, gulong output_window_id);
/**
* purple_media_manager_remove_output_windows:
* @manager: The manager the output windows were registered with.
* @media: The media instance the output windows were registered for.
* @session_id: The session the output windows were registered for.
* @participant: The participant the output windows were registered for.
*
* Remove all output windows for a given conference/session/participant/stream.
*/
void purple_media_manager_remove_output_windows(
PurpleMediaManager *manager, PurpleMedia *media,
const gchar *session_id, const gchar *participant);
/**
* purple_media_manager_set_ui_caps:
* @manager: The manager to set the caps on.
* @caps: The caps to set.
*
* Sets which media caps the UI supports.
*/
void purple_media_manager_set_ui_caps(PurpleMediaManager *manager,
PurpleMediaCaps caps);
/**
* purple_media_manager_get_ui_caps:
* @manager: The manager to get caps from.
*
* Gets which media caps the UI supports.
*
* Returns: caps The caps retrieved.
*/
PurpleMediaCaps purple_media_manager_get_ui_caps(PurpleMediaManager *manager);
/**
* purple_media_manager_set_backend_type:
* @manager: The manager to set the caps on.
* @backend_type: The media backend type to use.
*
* Sets which media backend type media objects will use.
*/
void purple_media_manager_set_backend_type(PurpleMediaManager *manager,
GType backend_type);
/**
* purple_media_manager_get_backend_type:
* @manager: The manager to get the media backend type from.
*
* Gets which media backend type media objects will use.
*
* Returns: The type of media backend type media objects will use.
*/
GType purple_media_manager_get_backend_type(PurpleMediaManager *manager);
/**
* purple_media_manager_set_application_data_callbacks:
* @manager: The manager to register the callbacks with.
* @media: The media instance to register the callbacks with.
* @session_id: The session to register the callbacks with.
* @participant: The participant to register the callbacks with.
* @callbacks: The callbacks to be set on the session.
* @user_data: a user_data argument for the callbacks.
* @notify: a destroy notify function.
*
* Set callbacks on a session to be called when the stream becomes writable
* or readable for media sessions of type #PURPLE_MEDIA_APPLICATION
*/
void purple_media_manager_set_application_data_callbacks(
PurpleMediaManager *manager, PurpleMedia *media, const gchar *session_id,
const gchar *participant, PurpleMediaAppDataCallbacks *callbacks,
gpointer user_data, GDestroyNotify notify);
/**
* purple_media_manager_send_application_data:
* @manager: The manager to send data with.
* @media: The media instance to which the session belongs.
* @session_id: The session to send data to.
* @participant: The participant to send data to.
* @buffer: The buffer of data to send.
* @size: The size of @buffer
* @blocking: Whether to block until the data was send or not.
*
* Sends a buffer of data to a #PURPLE_MEDIA_APPLICATION session.
* If @blocking is set, unless an error occured, the function will not return
* until the data has been flushed into the network.
* If the stream is not writable, the data will be queued. It is the
* responsability of the user to stop sending data when the stream isn't
* writable anymore. It is also the responsability of the user to only start
* sending data after the stream has been configured correctly (encryption
* parameters for example).
*
* Returns: Number of bytes sent or -1 in case of error.
*/
gint purple_media_manager_send_application_data (
PurpleMediaManager *manager, PurpleMedia *media, const gchar *session_id,
const gchar *participant, gpointer buffer, guint size, gboolean blocking);
/**
* purple_media_manager_receive_application_data:
* @manager: The manager to receive data with.
* @media: The media instance to which the session belongs.
* @session_id: The session to receive data from.
* @participant: The participant to receive data from.
* @buffer: The buffer to receive data into.
* @max_size: The max_size of @buffer
* @blocking: Whether to block until the buffer is entirely filled or return
* with currently available data.
*
* Receive a buffer of data from a #PURPLE_MEDIA_APPLICATION session.
* If @blocking is set, unless an error occured, the function will not return
* until @max_size bytes are read.
*
* Returns: Number of bytes received or -1 in case of error.
*/
gint purple_media_manager_receive_application_data (
PurpleMediaManager *manager, PurpleMedia *media, const gchar *session_id,
const gchar *participant, gpointer buffer, guint max_size,
gboolean blocking);
/*}@*/
G_END_DECLS
#endif /* PURPLE_MEDIA_MANAGER_H */