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ChangeLog the gnutls updates
release-2.x.y
2017-03-07, Gary Kramlich
cd0601592e3a
ChangeLog the gnutls updates
/**
* @file plugin.h Plugin API
* @ingroup core
* @see @ref plugin-signals
* @see @ref plugin-ids
* @see @ref plugin-i18n
*/
/* 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_PLUGIN_H_
#define _PURPLE_PLUGIN_H_
#include
<glib.h>
#include
<gmodule.h>
#include
"signals.h"
#include
"value.h"
/** @copydoc _PurplePlugin */
typedef
struct
_PurplePlugin
PurplePlugin
;
/** @copydoc _PurplePluginInfo */
typedef
struct
_PurplePluginInfo
PurplePluginInfo
;
/** @copydoc _PurplePluginUiInfo */
typedef
struct
_PurplePluginUiInfo
PurplePluginUiInfo
;
/** @copydoc _PurplePluginLoaderInfo */
typedef
struct
_PurplePluginLoaderInfo
PurplePluginLoaderInfo
;
/** @copydoc _PurplePluginAction */
typedef
struct
_PurplePluginAction
PurplePluginAction
;
typedef
int
PurplePluginPriority
;
/**< Plugin priority. */
#include
"pluginpref.h"
/**
* Plugin types.
*/
typedef
enum
{
PURPLE_PLUGIN_UNKNOWN
=
-1
,
/**< Unknown type. */
PURPLE_PLUGIN_STANDARD
=
0
,
/**< Standard plugin. */
PURPLE_PLUGIN_LOADER
,
/**< Loader plugin. */
PURPLE_PLUGIN_PROTOCOL
/**< Protocol plugin. */
}
PurplePluginType
;
#define PURPLE_PRIORITY_DEFAULT 0
#define PURPLE_PRIORITY_HIGHEST 9999
#define PURPLE_PRIORITY_LOWEST -9999
#define PURPLE_PLUGIN_FLAG_INVISIBLE 0x01
#define PURPLE_PLUGIN_MAGIC 5
/* once we hit 6.0.0 I think we can remove this */
/**
* Detailed information about a plugin.
*
* This is used in the version 2.0 API and up.
*/
struct
_PurplePluginInfo
{
unsigned
int
magic
;
unsigned
int
major_version
;
unsigned
int
minor_version
;
PurplePluginType
type
;
char
*
ui_requirement
;
unsigned
long
flags
;
GList
*
dependencies
;
PurplePluginPriority
priority
;
char
*
id
;
char
*
name
;
char
*
version
;
char
*
summary
;
char
*
description
;
char
*
author
;
char
*
homepage
;
/**
* If a plugin defines a 'load' function, and it returns FALSE,
* then the plugin will not be loaded.
*/
gboolean
(
*
load
)(
PurplePlugin
*
plugin
);
gboolean
(
*
unload
)(
PurplePlugin
*
plugin
);
void
(
*
destroy
)(
PurplePlugin
*
plugin
);
void
*
ui_info
;
/**< Used only by UI-specific plugins to build a preference screen with a custom UI */
void
*
extra_info
;
PurplePluginUiInfo
*
prefs_info
;
/**< Used by any plugin to display preferences. If #ui_info has been specified, this will be ignored. */
/**
* This callback has a different use depending on whether this
* plugin type is PURPLE_PLUGIN_STANDARD or PURPLE_PLUGIN_PROTOCOL.
*
* If PURPLE_PLUGIN_STANDARD then the list of actions will show up
* in the Tools menu, under a submenu with the name of the plugin.
* context will be NULL.
*
* If PURPLE_PLUGIN_PROTOCOL then the list of actions will show up
* in the Accounts menu, under a submenu with the name of the
* account. context will be set to the PurpleConnection for that
* account. This callback will only be called for online accounts.
*/
GList
*
(
*
actions
)(
PurplePlugin
*
plugin
,
gpointer
context
);
void
(
*
_purple_reserved1
)(
void
);
void
(
*
_purple_reserved2
)(
void
);
void
(
*
_purple_reserved3
)(
void
);
void
(
*
_purple_reserved4
)(
void
);
};
/**
* Extra information for loader plugins.
*/
struct
_PurplePluginLoaderInfo
{
GList
*
exts
;
gboolean
(
*
probe
)(
PurplePlugin
*
plugin
);
gboolean
(
*
load
)(
PurplePlugin
*
plugin
);
gboolean
(
*
unload
)(
PurplePlugin
*
plugin
);
void
(
*
destroy
)(
PurplePlugin
*
plugin
);
void
(
*
_purple_reserved1
)(
void
);
void
(
*
_purple_reserved2
)(
void
);
void
(
*
_purple_reserved3
)(
void
);
void
(
*
_purple_reserved4
)(
void
);
};
/**
* A plugin handle.
*/
struct
_PurplePlugin
{
gboolean
native_plugin
;
/**< Native C plugin. */
gboolean
loaded
;
/**< The loaded state. */
void
*
handle
;
/**< The module handle. */
char
*
path
;
/**< The path to the plugin. */
PurplePluginInfo
*
info
;
/**< The plugin information. */
char
*
error
;
void
*
ipc_data
;
/**< IPC data. */
void
*
extra
;
/**< Plugin-specific data. */
gboolean
unloadable
;
/**< Unloadable */
GList
*
dependent_plugins
;
/**< Plugins depending on this */
void
(
*
_purple_reserved1
)(
void
);
void
(
*
_purple_reserved2
)(
void
);
void
(
*
_purple_reserved3
)(
void
);
void
(
*
_purple_reserved4
)(
void
);
};
#define PURPLE_PLUGIN_LOADER_INFO(plugin) \
((PurplePluginLoaderInfo *)(plugin)->info->extra_info)
struct
_PurplePluginUiInfo
{
PurplePluginPrefFrame
*
(
*
get_plugin_pref_frame
)(
PurplePlugin
*
plugin
);
int
page_num
;
/**< Reserved */
PurplePluginPrefFrame
*
frame
;
/**< Reserved */
void
(
*
_purple_reserved1
)(
void
);
void
(
*
_purple_reserved2
)(
void
);
void
(
*
_purple_reserved3
)(
void
);
void
(
*
_purple_reserved4
)(
void
);
};
#define PURPLE_PLUGIN_HAS_PREF_FRAME(plugin) \
((plugin)->info != NULL && (plugin)->info->prefs_info != NULL)
#define PURPLE_PLUGIN_UI_INFO(plugin) \
((PurplePluginUiInfo*)(plugin)->info->prefs_info)
/**
* The structure used in the actions member of PurplePluginInfo
*/
struct
_PurplePluginAction
{
char
*
label
;
void
(
*
callback
)(
PurplePluginAction
*
);
/** set to the owning plugin */
PurplePlugin
*
plugin
;
/** NULL for plugin actions menu, set to the PurpleConnection for
account actions menu */
gpointer
context
;
gpointer
user_data
;
};
#define PURPLE_PLUGIN_HAS_ACTIONS(plugin) \
((plugin)->info != NULL && (plugin)->info->actions != NULL)
#define PURPLE_PLUGIN_ACTIONS(plugin, context) \
(PURPLE_PLUGIN_HAS_ACTIONS(plugin)? \
(plugin)->info->actions(plugin, context): NULL)
/**
* Handles the initialization of modules.
*/
#if !defined(PURPLE_PLUGINS) || defined(PURPLE_STATIC_PRPL)
# define _FUNC_NAME(x) purple_init_##x##_plugin
# define PURPLE_INIT_PLUGIN(pluginname, initfunc, plugininfo) \
gboolean _FUNC_NAME(pluginname)(void);\
gboolean _FUNC_NAME(pluginname)(void) { \
PurplePlugin *plugin = purple_plugin_new(TRUE, NULL); \
plugin->info = &(plugininfo); \
initfunc((plugin)); \
purple_plugin_load((plugin)); \
return purple_plugin_register(plugin); \
}
#else
/* PURPLE_PLUGINS && !PURPLE_STATIC_PRPL */
# define PURPLE_INIT_PLUGIN(pluginname, initfunc, plugininfo) \
G_MODULE_EXPORT gboolean purple_init_plugin(PurplePlugin *plugin); \
G_MODULE_EXPORT gboolean purple_init_plugin(PurplePlugin *plugin) { \
plugin->info = &(plugininfo); \
initfunc((plugin)); \
return purple_plugin_register(plugin); \
}
#endif
#ifdef __cplusplus
extern
"C"
{
#endif
/**************************************************************************/
/** @name Plugin API */
/**************************************************************************/
/*@{*/
/**
* Creates a new plugin structure.
*
* @param native Whether or not the plugin is native.
* @param path The path to the plugin, or @c NULL if statically compiled.
*
* @return A new PurplePlugin structure.
*/
PurplePlugin
*
purple_plugin_new
(
gboolean
native
,
const
char
*
path
);
/**
* Probes a plugin, retrieving the information on it and adding it to the
* list of available plugins.
*
* @param filename The plugin's filename.
*
* @return The plugin handle.
*
* @see purple_plugin_load()
* @see purple_plugin_destroy()
*/
PurplePlugin
*
purple_plugin_probe
(
const
char
*
filename
);
/**
* Registers a plugin and prepares it for loading.
*
* This shouldn't be called by anything but the internal module code.
* Plugins should use the PURPLE_INIT_PLUGIN() macro to register themselves
* with the core.
*
* @param plugin The plugin to register.
*
* @return @c TRUE if the plugin was registered successfully. Otherwise
* @c FALSE is returned (this happens if the plugin does not contain
* the necessary information).
*/
gboolean
purple_plugin_register
(
PurplePlugin
*
plugin
);
/**
* Attempts to load a previously probed plugin.
*
* @param plugin The plugin to load.
*
* @return @c TRUE if successful, or @c FALSE otherwise.
*
* @see purple_plugin_reload()
* @see purple_plugin_unload()
*/
gboolean
purple_plugin_load
(
PurplePlugin
*
plugin
);
/**
* Unloads the specified plugin.
*
* @param plugin The plugin handle.
*
* @return @c TRUE if successful, or @c FALSE otherwise.
*
* @see purple_plugin_load()
* @see purple_plugin_reload()
*/
gboolean
purple_plugin_unload
(
PurplePlugin
*
plugin
);
/**
* Disable a plugin.
*
* This function adds the plugin to a list of plugins to "disable at the next
* startup" by excluding said plugins from the list of plugins to save. The
* UI needs to call purple_plugins_save_loaded() after calling this for it
* to have any effect.
*
* @since 2.3.0
*/
void
purple_plugin_disable
(
PurplePlugin
*
plugin
);
/**
* Reloads a plugin.
*
* @param plugin The old plugin handle.
*
* @return @c TRUE if successful, or @c FALSE otherwise.
*
* @see purple_plugin_load()
* @see purple_plugin_unload()
*/
gboolean
purple_plugin_reload
(
PurplePlugin
*
plugin
);
/**
* Unloads a plugin and destroys the structure from memory.
*
* @param plugin The plugin handle.
*/
void
purple_plugin_destroy
(
PurplePlugin
*
plugin
);
/**
* Returns whether or not a plugin is currently loaded.
*
* @param plugin The plugin.
*
* @return @c TRUE if loaded, or @c FALSE otherwise.
*/
gboolean
purple_plugin_is_loaded
(
const
PurplePlugin
*
plugin
);
/**
* Returns whether or not a plugin is unloadable.
*
* If this returns @c TRUE, the plugin is guaranteed to not
* be loadable. However, a return value of @c FALSE does not
* guarantee the plugin is loadable.
*
* @param plugin The plugin.
*
* @return @c TRUE if the plugin is known to be unloadable,\
* @c FALSE otherwise
*/
gboolean
purple_plugin_is_unloadable
(
const
PurplePlugin
*
plugin
);
/**
* Returns a plugin's id.
*
* @param plugin The plugin.
*
* @return The plugin's id.
*/
const
gchar
*
purple_plugin_get_id
(
const
PurplePlugin
*
plugin
);
/**
* Returns a plugin's name.
*
* @param plugin The plugin.
*
* @return THe name of the plugin, or @c NULL.
*/
const
gchar
*
purple_plugin_get_name
(
const
PurplePlugin
*
plugin
);
/**
* Returns a plugin's version.
*
* @param plugin The plugin.
*
* @return The plugin's version or @c NULL.
*/
const
gchar
*
purple_plugin_get_version
(
const
PurplePlugin
*
plugin
);
/**
* Returns a plugin's summary.
*
* @param plugin The plugin.
*
* @return The plugin's summary.
*/
const
gchar
*
purple_plugin_get_summary
(
const
PurplePlugin
*
plugin
);
/**
* Returns a plugin's description.
*
* @param plugin The plugin.
*
* @return The plugin's description.
*/
const
gchar
*
purple_plugin_get_description
(
const
PurplePlugin
*
plugin
);
/**
* Returns a plugin's author.
*
* @param plugin The plugin.
*
* @return The plugin's author.
*/
const
gchar
*
purple_plugin_get_author
(
const
PurplePlugin
*
plugin
);
/**
* Returns a plugin's homepage.
*
* @param plugin The plugin.
*
* @return The plugin's homepage.
*/
const
gchar
*
purple_plugin_get_homepage
(
const
PurplePlugin
*
plugin
);
/*@}*/
/**************************************************************************/
/** @name Plugin IPC API */
/**************************************************************************/
/*@{*/
/**
* Registers an IPC command in a plugin.
*
* @param plugin The plugin to register the command with.
* @param command The name of the command.
* @param func The function to execute.
* @param marshal The marshalling function.
* @param ret_value The return value type.
* @param num_params The number of parameters.
* @param ... The parameter types.
*
* @return TRUE if the function was registered successfully, or
* FALSE otherwise.
*/
gboolean
purple_plugin_ipc_register
(
PurplePlugin
*
plugin
,
const
char
*
command
,
PurpleCallback
func
,
PurpleSignalMarshalFunc
marshal
,
PurpleValue
*
ret_value
,
int
num_params
,
...);
/**
* Unregisters an IPC command in a plugin.
*
* @param plugin The plugin to unregister the command from.
* @param command The name of the command.
*/
void
purple_plugin_ipc_unregister
(
PurplePlugin
*
plugin
,
const
char
*
command
);
/**
* Unregisters all IPC commands in a plugin.
*
* @param plugin The plugin to unregister the commands from.
*/
void
purple_plugin_ipc_unregister_all
(
PurplePlugin
*
plugin
);
/**
* Returns a list of value types used for an IPC command.
*
* @param plugin The plugin.
* @param command The name of the command.
* @param ret_value The returned return value.
* @param num_params The returned number of parameters.
* @param params The returned list of parameters.
*
* @return TRUE if the command was found, or FALSE otherwise.
*/
gboolean
purple_plugin_ipc_get_params
(
PurplePlugin
*
plugin
,
const
char
*
command
,
PurpleValue
**
ret_value
,
int
*
num_params
,
PurpleValue
***
params
);
/**
* Executes an IPC command.
*
* @param plugin The plugin to execute the command on.
* @param command The name of the command.
* @param ok TRUE if the call was successful, or FALSE otherwise.
* @param ... The parameters to pass.
*
* @return The return value, which will be NULL if the command doesn't
* return a value.
*/
void
*
purple_plugin_ipc_call
(
PurplePlugin
*
plugin
,
const
char
*
command
,
gboolean
*
ok
,
...);
/*@}*/
/**************************************************************************/
/** @name Plugins API */
/**************************************************************************/
/*@{*/
/**
* Add a new directory to search for plugins
*
* @param path The new search path.
*/
void
purple_plugins_add_search_path
(
const
char
*
path
);
/**
* Returns a list of plugin search paths.
*
* @constreturn A list of searched paths.
*
* @since 2.6.0
*/
GList
*
purple_plugins_get_search_paths
(
void
);
/**
* Unloads all loaded plugins.
*/
void
purple_plugins_unload_all
(
void
);
/**
* Unloads all plugins of a specific type.
*/
void
purple_plugins_unload
(
PurplePluginType
type
);
/**
* Destroys all registered plugins.
*/
void
purple_plugins_destroy_all
(
void
);
/**
* Saves the list of loaded plugins to the specified preference key
*
* @param key The preference key to save the list of plugins to.
*/
void
purple_plugins_save_loaded
(
const
char
*
key
);
/**
* Attempts to load all the plugins in the specified preference key
* that were loaded when purple last quit.
*
* @param key The preference key containing the list of plugins.
*/
void
purple_plugins_load_saved
(
const
char
*
key
);
/**
* Probes for plugins in the registered module paths.
*
* @param ext The extension type to probe for, or @c NULL for all.
*
* @see purple_plugin_set_probe_path()
*/
void
purple_plugins_probe
(
const
char
*
ext
);
/**
* Returns whether or not plugin support is enabled.
*
* @return TRUE if plugin support is enabled, or FALSE otherwise.
*/
gboolean
purple_plugins_enabled
(
void
);
#if !(defined PURPLE_DISABLE_DEPRECATED) || (defined _PURPLE_PLUGIN_C_)
/**
* Registers a function that will be called when probing is finished.
*
* @param func The callback function.
* @param data Data to pass to the callback.
* @deprecated If you need this, ask for a plugin-probe signal to be added.
*/
void
purple_plugins_register_probe_notify_cb
(
void
(
*
func
)(
void
*
),
void
*
data
);
#endif
#if !(defined PURPLE_DISABLE_DEPRECATED) || (defined _PURPLE_PLUGIN_C_)
/**
* Unregisters a function that would be called when probing is finished.
*
* @param func The callback function.
* @deprecated If you need this, ask for a plugin-probe signal to be added.
*/
void
purple_plugins_unregister_probe_notify_cb
(
void
(
*
func
)(
void
*
));
#endif
#if !(defined PURPLE_DISABLE_DEPRECATED) || (defined _PURPLE_PLUGIN_C_)
/**
* Registers a function that will be called when a plugin is loaded.
*
* @param func The callback function.
* @param data Data to pass to the callback.
* @deprecated Use the plugin-load signal instead.
*/
void
purple_plugins_register_load_notify_cb
(
void
(
*
func
)(
PurplePlugin
*
,
void
*
),
void
*
data
);
#endif
#if !(defined PURPLE_DISABLE_DEPRECATED) || (defined _PURPLE_PLUGIN_C_)
/**
* Unregisters a function that would be called when a plugin is loaded.
*
* @param func The callback function.
* @deprecated Use the plugin-load signal instead.
*/
void
purple_plugins_unregister_load_notify_cb
(
void
(
*
func
)(
PurplePlugin
*
,
void
*
));
#endif
#if !(defined PURPLE_DISABLE_DEPRECATED) || (defined _PURPLE_PLUGIN_C_)
/**
* Registers a function that will be called when a plugin is unloaded.
*
* @param func The callback function.
* @param data Data to pass to the callback.
* @deprecated Use the plugin-unload signal instead.
*/
void
purple_plugins_register_unload_notify_cb
(
void
(
*
func
)(
PurplePlugin
*
,
void
*
),
void
*
data
);
#endif
#if !(defined PURPLE_DISABLE_DEPRECATED) || (defined _PURPLE_PLUGIN_C_)
/**
* Unregisters a function that would be called when a plugin is unloaded.
*
* @param func The callback function.
* @deprecated Use the plugin-unload signal instead.
*/
void
purple_plugins_unregister_unload_notify_cb
(
void
(
*
func
)(
PurplePlugin
*
,
void
*
));
#endif
/**
* Finds a plugin with the specified name.
*
* @param name The plugin name.
*
* @return The plugin if found, or @c NULL if not found.
*/
PurplePlugin
*
purple_plugins_find_with_name
(
const
char
*
name
);
/**
* Finds a plugin with the specified filename (filename with a path).
*
* @param filename The plugin filename.
*
* @return The plugin if found, or @c NULL if not found.
*/
PurplePlugin
*
purple_plugins_find_with_filename
(
const
char
*
filename
);
/**
* Finds a plugin with the specified basename (filename without a path).
*
* @param basename The plugin basename.
*
* @return The plugin if found, or @c NULL if not found.
*/
PurplePlugin
*
purple_plugins_find_with_basename
(
const
char
*
basename
);
/**
* Finds a plugin with the specified plugin ID.
*
* @param id The plugin ID.
*
* @return The plugin if found, or @c NULL if not found.
*/
PurplePlugin
*
purple_plugins_find_with_id
(
const
char
*
id
);
/**
* Returns a list of all loaded plugins.
*
* @constreturn A list of all loaded plugins.
*/
GList
*
purple_plugins_get_loaded
(
void
);
/**
* Returns a list of all valid protocol plugins. A protocol
* plugin is considered invalid if it does not contain the call
* to the PURPLE_INIT_PLUGIN() macro, or if it was compiled
* against an incompatable API version.
*
* @constreturn A list of all protocol plugins.
*/
GList
*
purple_plugins_get_protocols
(
void
);
/**
* Returns a list of all plugins, whether loaded or not.
*
* @constreturn A list of all plugins.
*/
GList
*
purple_plugins_get_all
(
void
);
/*@}*/
/**************************************************************************/
/** @name Plugins SubSytem API */
/**************************************************************************/
/*@{*/
/**
* Returns the plugin subsystem handle.
*
* @return The plugin sybsystem handle.
*/
void
*
purple_plugins_get_handle
(
void
);
/**
* Initializes the plugin subsystem
*/
void
purple_plugins_init
(
void
);
/**
* Uninitializes the plugin subsystem
*/
void
purple_plugins_uninit
(
void
);
/*@}*/
/**
* Allocates and returns a new PurplePluginAction.
*
* @param label The description of the action to show to the user.
* @param callback The callback to call when the user selects this action.
*/
PurplePluginAction
*
purple_plugin_action_new
(
const
char
*
label
,
void
(
*
callback
)(
PurplePluginAction
*
));
/**
* Frees a PurplePluginAction
*
* @param action The PurplePluginAction to free.
*/
void
purple_plugin_action_free
(
PurplePluginAction
*
action
);
#ifdef __cplusplus
}
#endif
#endif
/* _PURPLE_PLUGIN_H_ */