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

4 files changed, 46 insertions, 21 deletions

diff --git a/backend/dvi/Makefile.am b/backend/dvi/Makefile.am
index 10325e0..c65b5e8 100644
--- a/backend/dvi/Makefile.am
+++ b/backend/dvi/Makefile.am
@@ -1,23 +1,45 @@
 SUBDIRS = mdvi-lib
 
-INCLUDES = \
-	-I$(top_srcdir)					\
-	-I$(top_srcdir)/libdocument			\
-	-I$(srcdir)/mdvi-lib				\
-	$(LIB_CFLAGS)					\
+backenddir = $(libdir)/evince/backends
+
+INCLUDES = 					\
+	-I$(top_srcdir)				\
+	-I$(top_srcdir)/libdocument		\
+	-I$(srcdir)/mdvi-lib			\
+	-DGNOMELOCALEDIR=\"$(datadir)/locale\"	\
+	$(BACKEND_CFLAGS)			\
 	$(SPECTRE_CFLAGS)
 
-noinst_LTLIBRARIES = libgtkdvi.la
-    
-libgtkdvi_la_SOURCES = \
-	dvi-document.c	\
-	dvi-document.h  \
-	cairo-device.c	\
-	cairo-device.h	\
-	fonts.c		\
+backend_LTLIBRARIES = libdvidocument.la
+
+libdvidocument_la_SOURCES = 	\
+	dvi-document.c		\
+	dvi-document.h  	\
+	cairo-device.c		\
+	cairo-device.h		\
+	fonts.c			\
 	fonts.h
 
-libgtkdvi_la_LIBADD = mdvi-lib/libmdvi.la
+libdvidocument_la_LIBADD = 				\
+	mdvi-lib/libmdvi.la				\
+	-lkpathsea					\
+	$(top_builddir)/libdocument/libevbackend.la	\
+	$(BACKEND_LIBS)					\
+	$(SPECTRE_LIBS)
+
+if WITH_TYPE1_FONTS
+libdvidocument_la_LIBADD += -lt1
+endif
+
+backend_in_files = dvidocument.evince-backend.in
+
+%.evince-backend: %.evince-backend.in $(INTLTOOL_MERGE) $(wildcard $(top_srcdir)/po/*po) ; $(INTLTOOL_MERGE) $(top_srcdir)/po $< $@ -d -u -c $(top_builddir)/po/.intltool-merge-cache
+
+backend_DATA = $(backend_in_files:.evince-backend.in=.evince-backend)
+
+EXTRA_DIST = $(backend_DATA)
+
+CLEANFILES = $(backend_DATA)
 
 
 
diff --git a/backend/dvi/dvi-document.c b/backend/dvi/dvi-document.c
index 73b148b..56a0d92 100644
--- a/backend/dvi/dvi-document.c
+++ b/backend/dvi/dvi-document.c
@@ -17,6 +17,8 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
+#include "config.h"
+
 #include "dvi-document.h"
 #include "ev-document-thumbnails.h"
 #include "ev-document-misc.h"
@@ -26,7 +28,6 @@
 #include "fonts.h"
 #include "cairo-device.h"
 
-#include <gtk/gtk.h>
 #include <glib/gi18n.h>
 
 GMutex *dvi_context_mutex = NULL;
@@ -73,10 +74,8 @@ static void dvi_document_do_color_special               (DviContext
 							 const char                *prefix,
 							 const char                *arg);
 
-G_DEFINE_TYPE_WITH_CODE 
-    (DviDocument, dvi_document, G_TYPE_OBJECT, 
-    {
-      G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT, dvi_document_document_iface_init);    
+EV_BACKEND_REGISTER_WITH_CODE (DviDocument, dvi_document,
+     {
       G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, dvi_document_document_thumbnails_iface_init);
       G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER, dvi_document_file_exporter_iface_init);
      });
diff --git a/backend/dvi/dvi-document.h b/backend/dvi/dvi-document.h
index d92d474..1f8c260 100644
--- a/backend/dvi/dvi-document.h
+++ b/backend/dvi/dvi-document.h
@@ -29,9 +29,9 @@ G_BEGIN_DECLS
 
 typedef struct _DviDocument DviDocument;
 
-DviDocument *dvi_document_new       (void);
+GType                 dvi_document_get_type   (void) G_GNUC_CONST;
 
-GType        dvi_document_get_type  (void) G_GNUC_CONST;
+G_MODULE_EXPORT GType register_evince_backend (GTypeModule *module);
      
 G_END_DECLS
 
diff --git a/backend/dvi/dvidocument.evince-backend.in b/backend/dvi/dvidocument.evince-backend.in
new file mode 100644
index 0000000..b43e8df
--- /dev/null
+++ b/backend/dvi/dvidocument.evince-backend.in
@@ -0,0 +1,4 @@
+[Evince Backend]
+Module=dvidocument
+_TypeDescription=DVI Documents
+MimeType=application/x-dvi