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authorCarlos Garcia Campos <carlosgc@gnome.org>2007-12-28 18:13:32 (GMT)
committer Carlos Garcia Campos <carlosgc@src.gnome.org>2007-12-28 18:13:32 (GMT)
commit31e16bd8f386dc292e60489d4a17227804bdc2e6 (patch)
tree84a81ef8fa45a24351f9e8f2c0e5f2eeb20064c2 /libdocument/ev-document.h
parent8fd7569d7f146b1b21365d5afcfb7795756e544f (diff)
Plugin system for backends. Fixes bug #351348.
2007-12-28 Carlos Garcia Campos <carlosgc@gnome.org> * configure.ac: * Makefile.am: * po/POTFILES.in: * backend/comics/Makefile.am: * backend/comics/comics-document.[ch]: * backend/comics/comicsdocument.evince-backend.in: * backend/djvu/Makefile.am: * backend/djvu/djvu-document.[ch]: * backend/djvu/djvudocument.evince-backend.in: * backend/dvi/Makefile.am: * backend/dvi/dvi-document.[c]: * backend/dvi/dvidocument.evince-backend.in: * backend/impress/Makefile.am: * backend/impress/impress-document.[ch]: * backend/impress/impressdocument.evince-backend.in: * backend/pdf/Makefile.am: * backend/pdf/ev-poppler.cc: * backend/pdf/ev-poppler.h: * backend/pdf/pdfdocument.evince-backend.in: * backend/pixbuf/Makefile.am: * backend/pixbuf/pixbuf-document.[ch]: * backend/pixbuf/pixbufdocument.evince-backend.in: * backend/ps/Makefile.am: * backend/ps/ev-spectre.[ch]: * backend/ps/ps-document.[ch]: * backend/ps/psdocument.evince-backend.in: * backend/tiff/Makefile.am: * backend/tiff/tiff-document.[ch]: * backend/tiff/tiffdocument.evince-backend.in: * libdocument/Makefile.am: * libdocument/ev-backends-manager.[ch]: * libdocument/ev-module.[ch]: * libdocument/ev-document.h: * libdocument/ev-document-factory.[ch]: (gdk_pixbuf_mime_type_list), (mime_type_supported_by_gdk_pixbuf), (get_compression_from_mime_type), (get_document_from_uri), (ev_document_factory_get_document), (file_filter_add_mime_types), (ev_document_factory_add_filters): * shell/Makefile.am: * shell/ev-window-title.c: (get_filename_from_uri): * shell/main.c: (main): * thumbnailer/Makefile.am: * thumbnailer/evince-thumbnailer.c: (main): Plugin system for backends. Fixes bug #351348. svn path=/trunk/; revision=2786
Diffstat (limited to 'libdocument/ev-document.h')
-rw-r--r--libdocument/ev-document.h70
1 files changed, 68 insertions, 2 deletions
diff --git a/libdocument/ev-document.h b/libdocument/ev-document.h
index 4f83553..6e7232b 100644
--- a/libdocument/ev-document.h
+++ b/libdocument/ev-document.h
@@ -123,8 +123,74 @@ GList *ev_document_get_attachments (EvDocument *document);
cairo_surface_t *ev_document_render (EvDocument *document,
EvRenderContext *rc);
-gint ev_rect_cmp (EvRectangle *a,
- EvRectangle *b);
+gint ev_rect_cmp (EvRectangle *a,
+ EvRectangle *b);
+
+/*
+ * Utility macro used to register backends
+ *
+ * use: EV_BACKEND_REGISTER_WITH_CODE(BackendName, backend_name, CODE)
+ */
+#define EV_BACKEND_REGISTER_WITH_CODE(BackendName, backend_name, CODE) \
+ \
+static GType g_define_type_id = 0; \
+ \
+GType \
+backend_name##_get_type (void) \
+{ \
+ return g_define_type_id; \
+} \
+ \
+static void backend_name##_init (BackendName *self); \
+static void backend_name##_class_init (BackendName##Class *klass); \
+static gpointer backend_name##_parent_class = NULL; \
+static void backend_name##_class_intern_init (gpointer klass) \
+{ \
+ backend_name##_parent_class = g_type_class_peek_parent (klass); \
+ backend_name##_class_init ((BackendName##Class *) klass); \
+} \
+ \
+G_MODULE_EXPORT GType \
+register_evince_backend (GTypeModule *module) \
+{ \
+ static const GTypeInfo our_info = { \
+ sizeof (BackendName##Class), \
+ NULL, /* base_init */ \
+ NULL, /* base_finalize */ \
+ (GClassInitFunc) backend_name##_class_intern_init, \
+ NULL, \
+ NULL, /* class_data */ \
+ sizeof (BackendName), \
+ 0, /* n_preallocs */ \
+ (GInstanceInitFunc) backend_name##_init \
+ }; \
+ \
+ /* Initialise the i18n stuff */ \
+ bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR); \
+ bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); \
+ \
+ g_define_type_id = g_type_module_register_type (module, \
+ G_TYPE_OBJECT, \
+ #BackendName, \
+ &our_info, \
+ (GTypeFlags)0); \
+ \
+ G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT, \
+ backend_name##_document_iface_init); \
+ \
+ CODE \
+ \
+ return g_define_type_id; \
+}
+
+/*
+ * Utility macro used to register backend
+ *
+ * use: EV_BACKEND_REGISTER(BackendName, backend_name)
+ */
+#define EV_BACKEND_REGISTER(BackendName, backend_name) \
+ EV_BACKEND_REGISTER_WITH_CODE(BackendName, backend_name, ;)
+
G_END_DECLS
#endif /* EV_DOCUMENT_H */