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#ifndef __H_CALLBACK__
#define __H_CALLBACK__
#include "baseobject.h"
#include "defs.h"
#include "Func.h"
BEGIN_DECLS
/**
* @file
* @defgroup SCallback SCallback
* @addtogroup SCallback
* @{
* Callbacks are used to signals one part of the a program to an other.
* It is manly used in SObject s and its children.
*
* Please note that this is the best way to implement an "interface".
*
* @sa GlobalNotify
*/
/**
* An SCallbackEntry is used for convinience when installing callbacks into
* SObjects. It may also be used in
*/
typedef struct SCallbackEntry SCallbackEntry;
/**
* The types for callbacks.
*/
typedef enum {
S_CALLBACK_NULL,
S_CALLBACK_CALLBACK,
S_CALLBACK_NOTIFY,
S_CALLBACK_NOTIFY_CHANGE
} SCallbackType;
/**
* A list containing the names of the callback types.
*/
static char * SCallbackTypeNames[] __attribute__((unused)) = {
"NULL",
"CALLBACK",
"NOTIFY",
"NOTIFY_CHANGE",
0x0,
0x0,
};
struct SCallbackEntry {
char * name; /**< The name that is used to invoke the callback. */
SCallbackType type; /**< The type of the callback, is it a standard callback
* or a notify? */
Callback callback; /**< The callback that will be invoked.*/
};
/**
* @}
* @addtogroup SObject
* @{
*/
/**
* Installs an array of callcackentries into an SObject.
*
* @param obj The object to install the callback entries into.
* @param callbackentries an array containing the callback entries.
*/
void s_object_install_callbacks (SObject * obj, SCallbackEntry ** callcackentries);
/**
* Installs a singel callback into an SObject.
*
* @param obj The object to install the callback into.
* @param callbackentry The callback entry to install.
*/
void s_object_install_callback (SObject * obj, SCallbackEntry * callbackentry);
/**
*
*/
spointer s_object_notify (SObject * self, char * name, spointer * data);
/**
* Alias to s_object_notify()
*/
#define s_object_call(o, n, d) s_object_notify (o, n, d)
/**@}*/
END_DECLS
#endif
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