1 /* 2 * e-extension.h 3 * 4 * This library is free software: you can redistribute it and/or modify it 5 * under the terms of the GNU Lesser General Public License as published by 6 * the Free Software Foundation. 7 * 8 * This library is distributed in the hope that it will be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 10 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 11 * for more details. 12 * 13 * You should have received a copy of the GNU Lesser General Public License 14 * along with this library. If not, see <http://www.gnu.org/licenses/>. 15 * 16 */ 17 18 #if !defined (__LIBEDATASERVER_H_INSIDE__) && !defined (LIBEDATASERVER_COMPILATION) 19 #error "Only <libedataserver/libedataserver.h> should be included directly." 20 #endif 21 22 #ifndef E_EXTENSION_H 23 #define E_EXTENSION_H 24 25 #include <libedataserver/e-extensible.h> 26 27 /* Standard GObject macros */ 28 #define E_TYPE_EXTENSION \ 29 (e_extension_get_type ()) 30 #define E_EXTENSION(obj) \ 31 (G_TYPE_CHECK_INSTANCE_CAST \ 32 ((obj), E_TYPE_EXTENSION, EExtension)) 33 #define E_EXTENSION_CLASS(cls) \ 34 (G_TYPE_CHECK_CLASS_CAST \ 35 ((cls), E_TYPE_EXTENSION, EExtensionClass)) 36 #define E_IS_EXTENSION(obj) \ 37 (G_TYPE_CHECK_INSTANCE_TYPE \ 38 ((obj), E_TYPE_EXTENSION)) 39 #define E_IS_EXTENSION_CLASS(cls) \ 40 (G_TYPE_CHECK_CLASS_TYPE \ 41 ((cls), E_TYPE_EXTENSION)) 42 #define E_EXTENSION_GET_CLASS(obj) \ 43 (G_TYPE_INSTANCE_GET_CLASS \ 44 ((obj), E_TYPE_EXTENSION, EExtensionClass)) 45 46 G_BEGIN_DECLS 47 48 typedef struct _EExtension EExtension; 49 typedef struct _EExtensionClass EExtensionClass; 50 typedef struct _EExtensionPrivate EExtensionPrivate; 51 52 /** 53 * EExtension: 54 * 55 * Contains only private data that should be read and manipulated using the 56 * functions below. 57 * 58 * Since: 3.4 59 **/ 60 struct _EExtension { 61 /*< private >*/ 62 GObject parent; 63 EExtensionPrivate *priv; 64 }; 65 66 struct _EExtensionClass { 67 GObjectClass parent_class; 68 69 /* The type to extend. */ 70 GType extensible_type; 71 }; 72 73 GType e_extension_get_type (void) G_GNUC_CONST; 74 EExtensible * e_extension_get_extensible (EExtension *extension); 75 76 G_END_DECLS 77 78 #endif /* E_EXTENSION_H */ 79